Multi-channel data acquisition device

Abstract

The utility model relates to the technical field of data acquisition devices, in particular to a multichannel data acquisition device, which comprises an outer shell, a display panel fixed on the outer shell, a network port and a mainboard fixed inside the outer shell, a 4G communication interface, a displacement sensor interface module and a switch are arranged on the outer shell; the displacement sensor interface module is composed of a square expansion interface and a plurality of circular displacement sensor interfaces. The network port, the display panel, the switch, the square expansion interface and the plurality of circular displacement sensor interfaces are all connected to the mainboard. When in use, the structure has multiple interface models and multiple channels, and can be simultaneously connected to displacement sensors with different interfaces to simultaneously acquire data, so that the measurement is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of data acquisition devices, in particular to a multi-channel data acquisition device. Background Art

[0002] The displacement sensor, also known as the linear sensor, is a linear device that belongs to metal sensing. The function of the sensor is to acquire data and then transmit it to the acquisition device, which is then transmitted to the cloud platform or PLC user device for processing.

[0003] The existing interface models are single, with few channels and strong measurement limitations; there are many types of signal lines, and different line structures require corresponding data acquisition devices to match them, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-channel data acquisition device in view of the defects and shortcomings of the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The utility model discloses a multi-channel data acquisition device, which comprises an outer shell, a display panel fixed on the outer shell, a network port and a mainboard fixed inside the outer shell; the outer shell is provided with a 4G communication interface, a displacement sensor interface module and a switch; the displacement sensor interface module is composed of a square expansion interface and a plurality of circular displacement sensor interfaces; the network port, the display panel, the switch, the square expansion interface and the plurality of circular displacement sensor interfaces are all connected to the mainboard.

[0007] Furthermore, the outer shell includes a face frame and a bottom shell; the display panel is fixed on the face frame; side baffles are provided on each side surface of the face frame; each inner surface of the bottom shell is respectively pressed against the corresponding side baffles; the bottom shell and the face frame are connected and fixed by a connecting piece; and the face frame is attached to the end surface of the bottom shell.

[0008] Furthermore, the outer side wall of the bottom shell is provided with a bottom shell pin hole; the connecting member is a headed pin; a block is provided on the pin body of the headed pin; a bottom shell blocking groove for passing the block is provided on the side wall of the bottom shell pin hole; a face frame connecting plate inserted into the inner cavity of the bottom shell is provided on the face frame; a face frame pin hole is provided on the face frame connecting plate; a face frame blocking groove for passing the block is provided on the side wall of the face frame pin hole; at least one Two limit columns are arranged; the limit columns are distributed along the circumferential direction of the face frame pin hole; a U-shaped spring sheet is arranged on the outer wall of the bottom shell; the headed pin passes through the U-shaped spring sheet, the bottom shell pin hole and the face frame pin hole in sequence; the stop block passes through the bottom shell stop groove and the face frame stop groove in sequence, and then rotates to be misaligned with the face frame stop groove and inserted between two adjacent limit columns; after the U-shaped spring sheet is pressed against the head of the headed pin, the stop block is attached to the surface of the face frame connecting plate.

[0009] Furthermore, the bottom shell and the U-shaped spring sheet are formed in one piece.

[0010] Furthermore, a concave shape is arranged on the side wall of the bottom shell; the U-shaped spring sheet and the 4G communication interface are both arranged in the concave shape.

[0011] After adopting the above structure, the beneficial effects of the utility model are as follows: a multi-channel data acquisition device described in the utility model, when using the utility model, the 4G communication interface is connected to the communication device, which is used to transmit data to the cloud platform or PLC user device for processing; the display panel is used to display the data acquisition status of each line, such as whether it is in a communication state; the switch is used to control the power on and off of the acquisition device; the network port is used to connect the mainboard to the Internet of Things; the displacement sensor interface is used to connect to the displacement sensor to receive the signal of the displacement sensor, and the square expansion interface has the same function as the circular displacement sensor interface, and is used to connect to the displacement sensor to receive the signal of the displacement sensor; the mainboard is used for data processing and to visualize the signal transmission status on the display panel; this structure has a variety of interface models and multiple channels, and can be connected to displacement sensors with different interfaces at the same time for simultaneous data acquisition, which makes measurement more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first-view stereogram of the utility model;

[0013] Figure 2 It is a second perspective stereogram of the utility model;

[0014] Figure 3 It is a cross-sectional view of the utility model;

[0015] Figure 4 It is the structural diagram of the bottom shell;

[0016] Figure 5 yes Figure 4 A magnified view of part A;

[0017] Figure 6 It is the structural diagram of the face frame;

[0018] Figure 7 yes Figure 6 A magnified view of part B;

[0019] Figure 8 It is a structural diagram of a headed pin;

[0020] Description of reference numerals:

[0021] 1. Surface frame; 101. Side baffle; 102. Surface frame connecting plate; 102a. Limiting column;

[0022] 102b, face frame pin hole; 102c, face frame stop bar slot; 2, display panel; 3, bottom shell;

[0023] 301, U-shaped spring sheet; 302, bottom shell through pin hole; 303, bottom shell through stop bar groove; 304, concave;

[0024] 4. Displacement sensor interface; 5. Switch; 6. Network port; 7. Expansion interface; 8. 4G communication interface;

[0025] 9. Head pin; 901. Stop block; 10. Main board. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] like Figures 1 to 8 As shown, a multi-channel data acquisition device described in the utility model includes an outer shell, a display panel 2 fixed on the outer shell, a network port 6 and a mainboard 10 fixed inside the outer shell; the outer shell is provided with a 4G communication interface 8, a displacement sensor interface module and a switch 5; the displacement sensor interface module is composed of a square expansion interface 7 and a plurality of circular displacement sensor interfaces 4; the network port 6, the display panel 2, the switch 5, the square expansion interface 7 and the plurality of circular displacement sensor interfaces 4 are all connected to the mainboard 10;

[0028] The 4G communication interface 8 and the network port 6 are connected to the communication device and are used to transmit data to the cloud platform or the PLC user device for processing; the display panel 2 is used to display the data collection status of each line, such as whether it is in a communication state; the switch 5 is used to control the power on and off of the collection device; the network port 6 is used to connect the mainboard 10 to the Internet; the displacement sensor interface 4 is used to connect to the displacement sensor and receive the signal of the displacement sensor. The square expansion interface 7 has the same function as the circular displacement sensor interface 4 and is used to connect to the displacement sensor and receive the signal of the displacement sensor; the mainboard 10 is used for data processing and to visualize the signal transmission status on the display panel 2; this structure has a variety of interface models and multiple channels, and can be connected to displacement sensors with different interfaces at the same time for data collection, making measurement more convenient.

[0029] As a preferred embodiment of the present invention, the outer shell includes a face frame 1 and a bottom shell 3; the display panel 2 is fixed on the face frame 1; side baffles 101 are provided on each side surface of the face frame 1; each inner surface of the bottom shell 3 is respectively pressed against the corresponding side baffles 101; the bottom shell 3 and the face frame 1 are connected and fixed by a connecting piece; the face frame 1 is attached to the end surface of the bottom shell 3;

[0030] The face frame 1 is in the shape of a rectangular frame; side baffles 101 are provided on the four sides of the rectangular frame; the side baffles 101 on the four sides are respectively pressed against the four inner side walls of the bottom shell 3, so that the face frame 1 is aligned with the bottom shell 3; the bottom shell 3 and the face frame 1 are then connected and fixed by a connecting piece.

[0031] As a preferred embodiment of the present invention, the outer wall of the bottom shell 3 is provided with a bottom shell pin hole 302; the connecting member is a headed pin 9; a block 901 is provided on the pin body of the headed pin 9; a bottom shell block groove 303 for passing the block 901 is provided on the side wall of the bottom shell pin hole 302; a face frame connecting plate 102 inserted into the inner cavity of the bottom shell 3 is provided on the face frame 1; a face frame pin hole 102b is provided on the face frame connecting plate 102; a face frame block groove 102c for passing the block 901 is provided on the side wall of the face frame pin hole 102b; at least one There are two limit columns 102a; the limit columns 102a are distributed along the circumferential direction of the face frame pin hole 102b; a U-shaped spring sheet 301 is arranged on the outer wall of the bottom shell 3; the headed pin 9 passes through the U-shaped spring sheet 301, the bottom shell pin hole 302 and the face frame pin hole 102b in sequence; the stopper 901 passes through the bottom shell stopper groove 303 and the face frame stopper groove 102c in sequence, and then rotates to be misaligned with the face frame stopper groove 102c and inserted between two adjacent limit columns 102a; after the U-shaped spring sheet 301 is pressed against the head of the headed pin 9, the stopper 901 is attached to the surface of the face frame connecting plate 102;

[0032] After the side baffles 101 on the four sides are respectively pressed against the four inner side walls of the bottom shell 3, the head pin 9 passes through the bottom shell pin hole 302 and the face frame pin hole 102b, so that the face frame 1 cannot be pulled out of the bottom shell 3, and the connection and fixation between the face frame 1 and the bottom shell 3 is achieved; the U-shaped spring sheet 301 tightens the head pin 9, so that the stopper 901 is not easy to loosen from the two limit columns 102a; the limit column 102a limits the rotation of the head pin 9 to prevent the stopper 901 from rotating. Block 901 can rotate freely until it is aligned with the face frame stop groove 102c; when the head pin 9 needs to be removed, it is only necessary to press the head of the head pin 9 to overcome the elastic force of the U-shaped spring sheet 301, so that the block 901 is loosened from the two adjacent limit columns 102a, and then the block 901 is rotated to align with the face frame stop groove 102c, and the head pin 9 can be directly pulled out from the face frame pin hole 102b, which makes the disassembly and assembly between the face frame 1 and the bottom shell 3 more convenient.

[0033] As a preferred embodiment of the present invention, the bottom shell 3 and the U-shaped spring sheet 301 are formed in one piece.

[0034] As a preferred embodiment of the utility model, a concave shape 304 is provided on the side wall of the bottom shell 3; the U-shaped spring sheet 301 and the 4G communication interface 8 are both arranged in the concave shape 304; the concave shape 304 forms a protective structure for the 4G communication interface 8 and the head pin 9, reducing the risk of the head pin 9 being hit, thereby making the connection between the face frame 1 and the bottom shell 3 more stable.

[0035] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A multi-channel data acquisition device, characterized in that: It comprises an outer shell, a display panel (2) fixed on the outer shell, a network port (6) and a mainboard (10) fixed inside the outer shell; the outer shell is provided with a 4G communication interface (8), a displacement sensor interface module and a switch (5); the displacement sensor interface module is composed of a square expansion interface (7) and a plurality of circular displacement sensor interfaces (4); the network port (6), the display panel (2), the switch (5), the square expansion interface (7) and the plurality of circular displacement sensor interfaces (4) are all connected to the mainboard (10).

2. A multi-channel data acquisition device according to claim 1, characterized in that: The outer shell comprises a face frame (1) and a bottom shell (3); the display panel (2) is fixed on the face frame (1); each side surface of the face frame (1) is provided with a side baffle (101); each inner side surface of the bottom shell (3) is respectively pressed against the corresponding side baffle (101); the bottom shell (3) and the face frame (1) are connected and fixed by a connecting piece; the face frame (1) is fitted on the end surface of the bottom shell (3).

3. A multi-channel data acquisition device according to claim 2, characterized in that: The outer wall of the bottom shell (3) is provided with a bottom shell pin hole (302); the connecting member is a headed pin (9); a stopper (901) is provided on the pin body of the headed pin (9); a bottom shell stopper groove (303) for passing the stopper (901) is provided on the side wall of the bottom shell pin hole (302); a face frame connecting plate (102) inserted into the inner cavity of the bottom shell (3) is provided on the face frame (1); a face frame pin hole (102b) is provided on the face frame connecting plate (102); a face frame stopper groove (102c) for passing the stopper (901) is provided on the side wall of the face frame pin hole (102b); at least two limit posts (103) are provided on the face frame connecting plate (102); 02a); the limiting columns (102a) are distributed along the circumferential direction of the face frame pin hole (102b); a U-shaped spring sheet (301) is provided on the outer side wall of the bottom shell (3); the headed pin (9) passes through the U-shaped spring sheet (301), the bottom shell pin hole (302) and the face frame pin hole (102b) in sequence; the stopper (901) passes through the bottom shell stopper groove (303) and the face frame stopper groove (102c) in sequence, and then rotates to be misaligned with the face frame stopper groove (102c) and inserted between two adjacent limiting columns (102a); the U-shaped spring sheet (301) is pressed against the head of the headed pin (9), and then the stopper (901) is attached to the surface of the face frame connecting plate (102).

4. A multi-channel data acquisition device according to claim 2, characterized in that: The bottom shell (3) and the U-shaped spring sheet (301) are integrally formed.

5. A multi-channel data acquisition device according to claim 3, characterized in that: A concave shape (304) is provided on the side wall of the bottom shell (3); the U-shaped spring sheet (301) and the 4G communication interface (8) are both provided in the concave shape (304).

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