CN216670708U - Multifunctional isolated data acquisition card - Google Patents

Abstract

The utility model discloses a multifunctional isolated data acquisition card, which comprises a shell, wherein a main control logic circuit board is arranged in the shell, a plurality of input signal units are arranged on one side of the main control logic circuit board and in the shell, a photoelectric coupler is welded between each input signal unit and the main control logic circuit board, the outer end of each input signal unit and the outer side part of the shell are provided with corresponding data acquisition ports, the upper side part and the lower side part of each data acquisition port are provided with two inner limiting assemblies, the front side part and the rear side part of each data acquisition port are provided with two outer limiting assemblies, and the outer side end, far away from the shell, of each data acquisition port is provided with a female port plugging groove. The utility model has reasonable integral design and strong practicability, realizes the multifunctional acquisition of different types of data on a single data acquisition card, has good insulating capability and anti-interference capability, and effectively reduces the maintenance cost.

Description

Multifunctional isolated data acquisition card

Technical Field

The utility model relates to the technical field of related equipment of a multifunctional data acquisition card, in particular to a multifunctional isolated data acquisition card.

Background

The data acquisition refers to the automatic acquisition of analog or digital signals to be measured of the equipment and the transmission of the signals to an upper computer for analysis and processing. The data acquisition card, namely a computer expansion card for realizing the data acquisition function, can be accessed into the computer through the existing standard bus. With the rapid development of the modern equipment towards digitization and informatization, the data acquisition card is widely applied in various fields.

At present, the general input end of the existing data acquisition card is connected with an acquired unit in the use process, the output end of the existing data acquisition card is connected with a computer and other measuring terminals, and the existing multifunctional data acquisition card does not have the electrical isolation capability, so that the existing multifunctional data acquisition card is easily interfered by external voltage in the actual use process, and the data acquisition function is abnormal. In addition, the existing multifunctional data acquisition card is often plugged and unplugged, which easily causes the damage of the input interface, thereby affecting the normal use of the data acquisition card.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional isolated data acquisition card to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a multifunctional isolated data acquisition card comprises a shell, wherein a main control logic circuit board is arranged in the shell, a plurality of input signal units are arranged on one side of the main control logic circuit board and in the shell, a photoelectric coupler is welded between each input signal unit and the main control logic circuit board, the outer end of each input signal unit and the outer side part of the shell are provided with corresponding data acquisition ports, the upper side part and the lower side part of each data acquisition port are provided with two inner limiting components, the front side part and the rear side part of each data acquisition port are provided with two outer limiting components, the outer side end of each data acquisition port far away from the shell is provided with a circuit chip slot, the inner bottom part of the circuit chip slot is provided with an electric contact, and a female port plugging slot is arranged on each data acquisition port and spliced and combined between the two outer limiting components arranged on the front side and the rear side, the main control logic circuit board is characterized in that a circuit chip is arranged on the main port plugging groove in a groove close to the plugging position of the data acquisition port, the circuit chip is matched with the circuit chip inserting groove, an output signal unit is arranged on the other side of the main control logic circuit board in the shell, and a main output interface is arranged outside the output signal unit and on the outer end face of the shell.

Preferably, interior spacing subassembly includes reset spring, spacing card strip, reset spring sets up the side portion under or at the side portion of going up of data acquisition port, spacing card strip sets up the outside end at reset spring, the outside of spacing card strip is equipped with the elasticity groove that resets, the one end that reset spring just kept away from to spacing card strip upper surface sets up in the lug.

Preferably, outer spacing subassembly includes pivot and cardboard, the cardboard passes through the pivot setting in the outside portion of casing, cup joint in the pivot and be provided with the torsional spring, the one end welding of torsional spring sets up the terminal surface at the casing, the other end welding of torsional spring sets up the terminal surface at the cardboard.

Preferably, the total output interface can be electrically connected with an external circuit.

Preferably, a plurality of the data acquisition ports can acquire different types of data.

Preferably, two symmetrical concave part through openings are formed in the upper end face and the lower end face of the female opening plugging groove and correspond to the protruding blocks, and the concave part through openings are arranged in a penetrating mode.

Preferably, the front part and the rear part of the outer surface of the female plug groove are symmetrically provided with two clamping grooves, and the clamping grooves are matched with the clamping plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. the photoelectric coupler arranged between the internal circuit of the shell and each input signal unit can not only carry out normal data acquisition through the externally connected data acquisition port, but also can isolate the internal circuit from the input signals through the design of the photoelectric coupler, thereby realizing electrical isolation, and compared with the existing data acquisition card, the photoelectric coupler has good insulating capability and anti-interference capability and strong practicability;

2. the utility model also arranges an inner limit component and an outer limit component which are respectively arranged at the upper part, the lower part, the front part and the rear part of the data acquisition port, and can conveniently plug the corresponding female port plugging groove combined on the data acquisition port, the multifunctional acquisition of different types of data is realized on a single data acquisition card, if the plug-in slot of the female port is damaged, the upper and lower end surfaces of the female plug-in slot are provided with two symmetrical concave part through openings corresponding to the convex blocks, the convex blocks on the limiting clamping strips connected with the return spring are pressed inwards to separate the female plug-in slot from the data acquisition port, then the clamping plates connected with the torsion springs sleeved on the rotating shafts symmetrically arranged at the front and the rear parts of the outer surface of the female port plugging groove are turned outwards, the last separation for accomplishing female mouthful plug groove and data acquisition port conveniently changes, has effectively reduced cost of maintenance.

Drawings

FIG. 1 is an overall structure diagram of the multifunctional isolated data acquisition card of the present invention;

FIG. 2 is a partial block diagram of the multi-functional isolated data acquisition card of the present invention;

FIG. 3 is an enlarged structural view of the portion A of the multifunctional isolated data acquisition card of the present invention shown in FIG. 2;

FIG. 4 is a block diagram of a connection structure of a multifunctional isolated data acquisition card module according to the present invention.

In the figure: 1. a housing; 2. a main control logic circuit board; 3. an input signal unit; 4. a photoelectric coupler; 5. a data acquisition port; 6. an inner limiting component; 61. a return spring; 62. limiting clamping strips; 63. an elastic reset groove; 64. a bump; 7. an outer limit assembly; 71. a rotating shaft; 72. clamping a plate; 73. a torsion spring; 8. a circuit chip slot; 9. a female port plugging slot; 10. a circuit chip; 11. an output signal unit; 12. a master output interface; 13. a recess through opening; 14. screens groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multifunctional isolated data acquisition card comprises a shell 1, a main control logic circuit board 2 is installed in the shell 1, a plurality of input signal units 3 are installed on one side of the main control logic circuit board 2 and in the shell 1, a photoelectric coupler 4 is welded between each input signal unit 3 and the main control logic circuit board 2, a corresponding data acquisition port 5 is installed at the outer end of each input signal unit 3 and at the outer side part of the shell 1, two inner limiting assemblies 6 are installed at the upper side part and the lower side part of the data acquisition port 5, two outer limiting assemblies 7 are installed at the front side part and the rear side part of the data acquisition port 5, a circuit chip slot 8 is arranged at the outer side end of the data acquisition port 5 far away from the shell 1, an electric contact is installed at the inner bottom part of the circuit chip slot 8, a female plug-in slot 9 is installed at the data acquisition port 5 and between the two outer limiting assemblies 7 installed at the front side and the rear side in an insertion and combination manner, a circuit chip 10 is arranged on the female port plugging slot 9 close to the plugging position of the data acquisition port 5 in a slotting mode, the circuit chip 10 is matched with the circuit chip slot 8, an output signal unit 11 is arranged on the other side of the main control logic circuit board 2 in the shell 1, and a total output interface 12 is arranged outside the output signal unit 11 and on the outer end face of the shell 1.

The inner limiting assembly 6 comprises a return spring 61 and a limiting clamping strip 62, the return spring 61 is installed at the upper side part or the lower side part of the data acquisition port 5, the limiting clamping strip 62 is installed at the outer side end of the return spring 61, an elastic return groove 63 is arranged outside the limiting clamping strip 62, and one end, far away from the return spring 61, of the upper outer surface of the limiting clamping strip 62 is installed on a lug 64; the outer limiting assembly 7 comprises a rotating shaft 71 and a clamping plate 72, the clamping plate 72 is installed at the outer side part of the shell 1 through the rotating shaft 71, a torsion spring 73 is installed on the rotating shaft 71 in a sleeved mode, one end of the torsion spring 73 is installed on the end face of the shell 1 in a welded mode, and the other end of the torsion spring 73 is installed on the end face of the clamping plate 72 in a welded mode; the general output interface 12 can be electrically connected with an external circuit; the plurality of data acquisition ports 5 can acquire different types of data; two symmetrical concave part through holes 13 are formed in the upper end face and the lower end face of the female port plugging groove 9 and correspond to the lug 64, and the concave part through holes 13 are installed in a penetrating mode; two clamping grooves 14 are symmetrically arranged at the front part and the rear part of the outer surface of the female plugging groove 9, and the clamping grooves 14 are matched with the clamping plate 72.

The working principle is as follows: when the utility model is used, the data acquisition is carried out on the connecting system through the female plug groove 9 input from the outer side end of the shell 1, because the photoelectric coupler 4 arranged between the internal circuit of the shell 1 and each input signal unit 3 can not only carry out normal data acquisition through the data acquisition port 5 connected with the outside, but also can isolate the internal circuit from the input signal through the design of the photoelectric coupler 4, thereby realizing the electrical isolation, compared with the existing data acquisition card, the utility model adds good insulating capability and anti-interference capability, and also has the inner limiting component 6 and the outer limiting component 7 respectively arranged at the upper part, the lower part and the front part and the rear part of the data acquisition port 5, the corresponding female plug groove 9 combined on the data acquisition port 5 can be conveniently plugged, once the female plug groove 9 is damaged, the replacement can be carried out, and the maintenance cost is effectively reduced, has the advantages of simple operation, convenient use and good use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Multi-functional isolated data acquisition card, including casing (1), its characterized in that: a main control logic circuit board (2) is arranged in the shell (1), a plurality of input signal units (3) are arranged on one side of the main control logic circuit board (2) and in the shell (1), a photoelectric coupler (4) is welded between each input signal unit (3) and the main control logic circuit board (2), the outer end of each input signal unit (3) and the outer side of the shell (1) are provided with corresponding data acquisition ports (5), the upper side and the lower side of each data acquisition port (5) are provided with two inner limiting assemblies (6), the front side and the rear side of each data acquisition port (5) are provided with two outer limiting assemblies (7), the outer side end of each data acquisition port (5) far away from the shell (1) is provided with a circuit chip slot (8), and the inner bottom of each circuit chip slot (8) is provided with an electric contact, the data acquisition device is characterized in that a female plug groove (9) is formed in the data acquisition port (5) and formed by inserting and combining two outer limiting assemblies (7) arranged on the front side and the rear side, a circuit chip (10) is arranged on the female plug groove (9) at a position close to the insertion position of the data acquisition port (5) in a slotted mode, the circuit chip (10) is matched with the circuit chip slot (8), an output signal unit (11) is arranged on the other side of the main control logic circuit board (2) and in the shell (1), and a main output interface (12) is arranged outside the output signal unit (11) and on the outer end face of the shell (1).

2. The multifunctional isolated data acquisition card according to claim 1, wherein: interior spacing subassembly (6) include reset spring (61), spacing card strip (62), reset spring (61) set up the side portion under or at the side portion of going up of data acquisition port (5), spacing card strip (62) set up the outside end at reset spring (61), the outside of spacing card strip (62) is equipped with elasticity reset groove (63), the one end that just keeps away from reset spring (61) of spacing card strip (62) surface of going up sets up in lug (64).

3. The multifunctional isolated data acquisition card according to claim 1, wherein: outer spacing subassembly (7) are including pivot (71) and cardboard (72), cardboard (72) set up the outside portion in casing (1) through pivot (71), it is provided with torsional spring (73) to cup joint on pivot (71), the one end welding of torsional spring (73) sets up the terminal surface in casing (1), the other end welding of torsional spring (73) sets up the terminal surface at cardboard (72).

4. The multifunctional isolated data acquisition card according to claim 1, wherein: the general output interface (12) can be electrically connected with an external circuit.

5. The multifunctional isolated data acquisition card according to claim 1, wherein: several of the data acquisition ports (5) can acquire different types of data.

6. The multifunctional isolated data acquisition card according to claim 2, wherein: two symmetrical concave part through openings (13) are formed in the upper end face and the lower end face of the female opening plugging groove (9) and correspond to the protruding block (64), and the concave part through openings (13) penetrate through the concave part through openings.

7. The multifunctional isolated data acquisition card according to claim 3, wherein: two clamping grooves (14) are symmetrically arranged at the front part and the rear part of the outer surface of the female port plugging groove (9), and the clamping grooves (14) are matched with the clamping plate (72).

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