Dynamic strain data acquisition and conditioning equipment

Abstract

The utility model discloses a dynamic strain data acquisition and conditioning device comprising a housing which is composed of a bottom box and an upper cover. A power switch, a data acquisition board and a signal conditioning board are arranged in the shell, the data acquisition board and the signal conditioning board are arranged up and down and fixed on the shell, and the power switch, the data acquisition board and the signal conditioning board are electrically connected through wires. According to the utility model, the data acquisition board and the signal conditioning board are integrated in the same device, and the original complex wiring which needs to be connected with the data acquisition device, the dynamic strain signal conditioner and the dynamic strain gauge is simplified into only two devices which need to be connected with the dynamic strain data acquisition device and the dynamic strain gauge, so that the wiring number is greatly reduced, and the wiring cost is reduced. And the wiring difficulty is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of dynamic strain data technology, and in particular to a dynamic strain data acquisition and conditioning device. Background Technology

[0002] In the field of dynamic strain data acquisition, the current common approach is to connect a data acquisition device to a dynamic strain conditioner, which in turn connects to a dynamic resistance strain gauge to achieve data acquisition. While this traditional data acquisition architecture can acquire dynamic strain data to some extent, the fact that the data acquisition device and the dynamic strain conditioner are two separate devices makes on-site installation difficult. It involves a large amount of wiring work, requiring construction personnel to spend a significant amount of time and effort on-site for wiring and connection operations. Repeated wiring operations are not only tedious but also highly prone to errors, thus affecting the accuracy of data acquisition. Utility Model Content

[0003] To address the aforementioned issues, this invention provides a dynamic strain data acquisition and conditioning device that can reduce construction difficulty, minimize the risk of wiring errors, and simplify the device wiring process.

[0004] Therefore, the technical solution of this utility model is: a dynamic strain data acquisition and conditioning device, including a housing, which is composed of a bottom box and a top cover; the housing is provided with a power switch, a data acquisition board and a signal conditioning board, which are arranged vertically and fixed on the housing, and the power switch, the data acquisition board and the signal conditioning board are all electrically connected by wires.

[0005] Based on the above scheme and as a preferred embodiment of the above scheme: the signal conditioning board is provided with a terminal block, including a voltage output terminal, a first signal input terminal, and a first signal output terminal; the data acquisition board is provided with a second signal input terminal, which is electrically connected to the first signal output terminal on the signal conditioning board.

[0006] Based on the above scheme and as a preferred embodiment of the above scheme: the data acquisition board is also provided with a memory card slot, a LAN slot, a USB slot, a reset button, and several status indicator lights.

[0007] Based on the above solution and as a preferred solution: the top cover includes a top surface and a front side surface, and the front side surface is provided with several terminal clearance holes, socket holes, power switch mounting holes and indicator light mounting holes.

[0008] Based on the above solution and as a preferred solution: the bottom box has a semi-enclosed structure, including a rear side, a left side, a right side and a bottom side, and the rear side, the left side, the right side and the bottom side are provided with folded mounting edges, and the mounting edges are provided with assembly holes; the top cover is fixed to the bottom box by bolts after being attached to it.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] 1. By integrating the data acquisition board and signal conditioning board into a single device, the complex wiring that previously required connecting three devices—the data acquisition device, the dynamic strain signal conditioner, and the dynamic strain gauge—is simplified to connecting only two: the dynamic strain data acquisition device and the dynamic strain gauge. This significant reduction in wiring complexity greatly simplifies the on-site wiring and connection work for construction personnel, improving construction efficiency. Furthermore, the reduced number of wiring connections directly lowers the probability of errors caused by repeated wiring, thereby improving the accuracy of data acquisition and preventing wiring errors from affecting the normal operation of the entire data acquisition system. This also reduces the time and resources required for troubleshooting and correcting errors.

[0011] 2. After equipment integration, the number of devices inside the data acquisition box is reduced, lowering the pressure on cabling space. The uniform device shape also makes it easier to fix the devices inside the data acquisition box, facilitating reasonable planning of device positions, avoiding mutual interference between devices, further simplifying the cabling process, and improving the overall stability and reliability of the equipment. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is an exploded view of the parts of this utility model;

[0014] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0015] Figure 4 This is a schematic diagram of the installation of the data acquisition board and signal conditioning board of this utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the bottom box of this utility model;

[0017] Figure 6 This is a schematic diagram of the structure of the top cover of this utility model.

[0018] The components in the diagram are labeled as follows: Base box 1, Rear side 11, Left side 12, Right side 13, Bottom surface 14, Mounting edge 15, First mounting hole 16, Mounting stud 17, Top cover 2, Top surface 21, Front side 22, Second mounting hole 23, Socket hole 24, Terminal clearance hole 25, Power switch mounting hole 26, Indicator light mounting hole 27, Data acquisition board 3, First mounting hole 31, Second signal input terminal 32, Memory card slot 33, LAN slot 34, USB slot 35, Reset button 36, Status indicator light 37, Signal conditioning board 4, Second mounting hole 41, Terminal block 42, First signal output terminal 43, Long bolt 5, Spacer sleeve 51, Power switch 6. Detailed Implementation

[0019] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0021] See the attached figures. The dynamic strain data acquisition and conditioning device described in this embodiment includes a housing, which consists of a base box 1 and an upper cover 2. The upper cover 2 includes a top surface 21 and a front side surface 22. The base box 1 has a semi-enclosed structure, including a rear side surface 11, a left side surface 12, a right side surface 13, and a bottom surface 14. Folded mounting edges 15 are provided on the upper surface of the rear side surface 11, the upper surface of the left side surface 12 and the front side, the upper surface of the right side surface 13 and the front side, and the front side of the bottom surface 14. The mounting edges 15 are provided with first mounting holes 16. The top surface 21 and the front side surface 22 of the upper cover 2 fit against the mounting edges 15 on the base box 1. The top surface 21 and the front side surface 22 are provided with second mounting holes 23 that are opposite to the positions of the first mounting holes 16. The two are locked together by bolts.

[0022] The base box 1 contains multiple mounting studs 17. A data acquisition board 3 and a signal conditioning board 4 are placed inside the base box 1. The signal conditioning board 4 is positioned above the data acquisition board 3, which is resting on the mounting studs 17. The data acquisition board 3 has first mounting holes 31 on both sides, and the signal conditioning board 4 has second mounting holes 41 on both sides. The first mounting holes 31 and second mounting holes 41 are positioned opposite to the mounting studs 17. Long bolts 5 sequentially pass through the second mounting holes 41 and the first mounting holes 31, locking them to the mounting studs 17. Spacer sleeves 51 can be fitted onto the long bolts 5 to separate the data acquisition board 3 and the signal conditioning board 4.

[0023] The signal conditioning board 4 is provided with a terminal block 42, including a voltage output terminal, a first signal input terminal, and a first signal output terminal 43. The first signal input terminal can be connected to a dynamic strain gauge to receive dynamic strain data. The data acquisition board 3 is provided with a second signal input terminal 32, which is electrically connected to the first signal output terminal 43 on the signal conditioning board 4. The signal conditioning board 4 amplifies the signal output by the dynamic strain gauge by a factor of 100, and then sends the amplified data to the data acquisition board.

[0024] The data acquisition board 3 is also equipped with a memory card slot 33, a LAN slot 34, a USB slot 35, a reset button 36, and several status indicator lights 37. The front side 22 of the top cover 2 has socket holes 24, terminal clearance holes 25, power switch mounting holes 26, and indicator light mounting holes 27, corresponding to the positions of these slots, terminals, and buttons. Additionally, a power switch 6 is installed on the front side of the top cover 2, electrically connected to the signal conditioning board and the data acquisition board.

[0025] In use, the voltage output terminal sends an excitation voltage signal to the dynamic strain gauge, and the first signal input terminal is directly connected to the dynamic strain gauge to receive the strain data collected by the dynamic strain gauge. The signal conditioning board amplifies the received signal and then sends it to the data acquisition board. The connection relationship and working principle between the signal conditioning board, data acquisition board, and dynamic strain gauge in this embodiment are consistent with the connection relationship and working principle of three independent devices: existing data acquisition equipment, dynamic strain conditioner, and dynamic strain gauge. Furthermore, the signal conditioning board and data acquisition board are the internal circuit control boards of existing data acquisition equipment and dynamic strain conditioners. The electrical principle of this embodiment is conventional technology; the technical point is to integrate the functions of the data acquisition equipment and dynamic strain conditioner, reducing wiring difficulty and workload. Therefore, the functions of the signal conditioning board and data acquisition board should not be unclear in this embodiment and will not be elaborated further.

[0026] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A dynamic strain data acquisition and conditioning device, characterized in that: The device includes a housing, which consists of a bottom box and a top cover. Inside the housing are a power switch, a data acquisition board, and a signal conditioning board. The data acquisition board and the signal conditioning board are arranged vertically and fixed to the housing. The power switch, the data acquisition board, and the signal conditioning board are all electrically connected by wires.

2. The dynamic strain data acquisition and conditioning device as described in claim 1, characterized in that: The signal conditioning board is provided with a terminal block, including a voltage output terminal, a first signal input terminal, and a first signal output terminal; the data acquisition board is provided with a second signal input terminal, which is electrically connected to the first signal output terminal on the signal conditioning board.

3. The dynamic strain data acquisition and conditioning device as described in claim 2, characterized in that: The data acquisition board is also equipped with a memory card slot, a LAN slot, a USB slot, a reset button, and several status indicator lights.

4. The dynamic strain data acquisition and conditioning device as described in claim 3, characterized in that: The top cover includes a top surface and a front side surface. The front side surface is provided with several terminal clearance holes, socket holes, power switch mounting holes and indicator light mounting holes.

5. The dynamic strain data acquisition and conditioning device as described in claim 4, characterized in that: The bottom box has a semi-enclosed structure, including a rear side, a left side, a right side, and a bottom surface. The rear side, the left side, the right side, and the bottom surface are provided with folded mounting edges, and the mounting edges are provided with assembly holes. The top cover is fixed to the bottom box by bolts after being fitted together.

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