CN218677908U

CN218677908U - Electronic circuit plug-in bus interface device

Info

Publication number: CN218677908U
Application number: CN202222152112.1U
Authority: CN
Inventors: 刘刚奇; 王耀武
Original assignee: Xi'an Taiyi Electronics Co ltd
Current assignee: Xi'an Taiyi Electronics Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-03-21
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses an electronic circuit opposite-plugging bus interface device, which comprises a PCB (printed circuit board) switching circuit board and a wild port bus socket connected on the PCB switching circuit board, wherein the PCB switching circuit board is provided with a plurality of welding holes and a circuit board wiring for connecting the welding holes, and the PCB switching circuit board forms a plurality of switching signal channels with the circuit board wiring through the welding holes; the wild port bus socket meets the requirement of the number of contact pins, the wild port bus sockets are two, one wild port bus socket faces the high-temperature test box, the other wild port bus socket faces the normal-temperature control box, and the two wild port bus sockets are connected through the PCB adapter circuit board. The utility model has the characteristics of stable in structure, resistant plug power, durable and electrical connection are reliable, the equipment of using this interface can satisfy the experimental needs of long-time electronic components burn-in, reduces equipment trouble, improve equipment availability factor.

Description

Electronic circuit plug-in bus interface device

Technical Field

The utility model belongs to electronic components smelts equipment manufacturing field always, concretely relates to electronic circuit is to inserting bus interface device.

Background

The existing aging equipment oppositely-inserted bus interface device adopts a double wild port bus socket and two Z-shaped PCB circuit connecting plates with welding holes, the wild port bus socket is welded on the upper side and the lower side of the two parallel Z-shaped PCB circuit connecting plates in opposite directions, then the wild port bus socket is integrally installed on a middle partition plate used for isolating a high-temperature test box and a normal-temperature control box, an aging board golden finger is inserted into a bus interface of the high-temperature test box, an excitation board golden finger of the test box is inserted into a center line interface of the normal-temperature control box, and electrical connecting wires connected through the interfaces are in one-to-one correspondence and are used for electrical connection during normal-temperature and high-temperature (125 ℃) working tests. The connection mode of the interface has the serious defects of intolerance of insertion and extraction force and easy deformation of the structure under the mechanical stress of frequent insertion and connection of the aging board.

In the field of electronic component aging equipment manufacturing, electrical faults are frequently generated during testing by using the equipment with the bus interface, the equipment utilization rate is low, the high-reliability requirements of high-grade military electronic components on the testing equipment cannot be met, quality accidents are easily caused, unnecessary component production cost is caused, and the service life of the interface is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the problem among the above-mentioned prior art, provide an electronic circuit to inserting bus interface device, have stable in structure, resistant plug power, durable and the reliable characteristics of electrical connection, the equipment that uses this interface can satisfy the experimental needs of long-time electronic components burn-in, reduces equipment trouble, improve equipment availability factor.

In order to achieve the above object, the present invention provides the following technical solutions:

an electronic circuit plug-in bus interface device comprises a PCB (printed circuit board) switching circuit board and a field bus socket connected to the PCB switching circuit board, wherein a plurality of welding holes and circuit board wiring used for connecting the welding holes are formed in the PCB switching circuit board, and the PCB switching circuit board and the circuit board wiring form a plurality of switching signal channels through the welding holes; the wild port bus socket meets the requirement of the number of contact pins, the wild port bus sockets are two, one wild port bus socket faces the high-temperature test box, the other wild port bus socket faces the normal-temperature control box, and the two wild port bus sockets are connected through the PCB adapter circuit board.

As a preferred scheme, four PCB switching circuit boards are arranged, the four PCB switching circuit boards are in square butt joint, two wild port bus sockets are connected to the PCB switching circuit boards on the left side and the right side, the PCB switching circuit boards on the upper side and the lower side are connected to the PCB switching circuit boards on the left side and the right side, and the number of welding holes of the PCB switching circuit boards is matched with the number of pins of the wild port bus sockets.

As a preferred scheme, the PCB switching circuit board is of a rectangular structure, a plurality of welding holes are formed in the PCB switching circuit board at intervals along two long edges, and two rows of welding holes are formed in the PCB switching circuit board along the long edges; the PCB switching circuit boards on the upper side and the lower side are connected in a short circuit mode through circuit board wiring in the same row along two rows of welding holes arranged on the two long sides; the PCB switching circuit boards on the left side and the right side are also provided with two rows of welding holes for butting the field port bus socket contact pins at intervals in the middle of the wide edge along the length direction, and the two rows of welding holes for butting the field port bus socket contact pins are disconnected.

As a preferred scheme, in two rows of welding holes which are arranged at intervals in the middle of the wide edge along the length direction of the PCB switching circuit board on the left side and the right side, the welding holes of the row of butt joint wild-open bus socket contact pins on the upper side and the two rows of welding holes arranged along the long edge of the PCB switching circuit board on the upper side are in the same row and are in short circuit connection through circuit board wiring, and the welding holes of the row of butt joint wild-open bus socket contact pins on the lower side and the two rows of welding holes arranged along the long edge of the PCB switching circuit board on the lower side are in the same row and are in short circuit connection through circuit board wiring.

As a preferred scheme, the four PCB adapter circuit boards are connected with two rows of welding holes arranged along the long edge of the adjacent PCB adapter circuit board through right-angle pins.

As a preferred scheme, the disconnection distance between two rows of welding holes which are arranged at intervals in the middle of the wide edge of the left and right PCB adapter circuit boards along the length direction is equal to the distance between two rows of contact pins of the field port bus socket.

As a preferred scheme, the two rows of contact pins of the field port bus socket are welded with the two rows of welding holes which are arranged at intervals in the length direction in the middle of the wide edge of the PCB switching circuit board on the left side and the right side.

As a preferred scheme, through holes are formed in two ends of the field port bus socket and are mounted on a middle isolation plate between the high-temperature test box and the normal-temperature control box through screws.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

PCB switching circuit board passes through the welding hole and forms a plurality of switching signal passageway with the circuit board wiring, the utility model discloses utilize PCB switching circuit board as the bridge, pass through PCB switching circuit board with two wild mouthful bus socket and link to each other, one of them wild mouthful bus socket towards high temperature test case, another wild mouthful bus socket towards normal atmospheric temperature control box, the utility model discloses can satisfy the electrical signal reliability connection requirement that components and parts high temperature smelts equipment excitation board and smelts the board separation always, PCB switching circuit board sets up according to switching signal channel number requirement, wild mouthful bus socket satisfies contact pin quantity requirement, and switching board wiring width satisfies equipment signal excitation requirement, and electrical fault greatly reduced has improved equipment usage rate, has also increased PCB and has walked the line width, has improved the area of interface and has carried the ability.

Further, the utility model discloses a PCB switching circuit board is provided with four, and four PCB switching circuit boards are a mouthful style of calligraphy butt joint, and two wild mouthful bus socket connection are on left and right sides PCB switching circuit board, and left and right sides PCB switching circuit board is connected to upper and lower both sides PCB switching circuit board, adopt "mouthful" font butt joint, and mounting structure is stable firm, and the socket is not fragile, and spring needle non-deformable has fine resistant plug power, and the plug life-span can reach more than 5000 times.

Drawings

FIG. 1 is a schematic structural view of PCB adapting circuit boards on upper and lower sides of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the PCB adapter circuit boards on the left and right sides of the embodiment of the present invention;

FIG. 3 is a schematic view of a right-angle pin header according to an embodiment of the present invention;

fig. 4 is a schematic view of a field port bus socket structure according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an overall structure of an electronic circuit add-drop bus interface device according to an embodiment of the present invention;

in the drawings: 1-welding holes; 2-wiring of a circuit board; 3-a disconnection spacing; 4-PCB switching circuit board; 5-wild port bus socket.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples.

Referring to fig. 5, the electronic circuit opposite-plugging bus interface device provided in the embodiment of the present invention includes a PCB adapter circuit board 4 and a field bus socket 5 connected to the PCB adapter circuit board 4, the PCB adapter circuit board 4 is provided with a plurality of solder holes 1 and a circuit board wiring 2 for connecting the solder holes 1, the PCB adapter circuit board 4 forms a plurality of adapter signal channels with the circuit board wiring 2 through the solder holes 1; wild mouthful bus socket 5 satisfies contact pin quantity requirement, and wild mouthful bus socket 5 is equipped with two, and one of them wild mouthful bus socket 5 is towards the high temperature test case, and another wild mouthful bus socket 5 is towards the normal atmospheric temperature control box, and two wild mouthful bus socket 5 pass through PCB switching circuit board 4 and link to each other. In an alternative embodiment, four PCB switching circuit boards 4 are provided, the four PCB switching circuit boards 4 are butted in a square shape, two wild-mouth bus sockets 5 are connected to the left and right PCB switching circuit boards 4, the upper and lower PCB switching circuit boards 4 are connected to the left and right PCB switching circuit boards 4, the number of soldering holes 1 of the PCB switching circuit boards 4 matches the number of pins of the wild-mouth bus sockets 5. Furthermore, the PCB adapting circuit board 4 of this embodiment is a rectangular structure, the PCB adapting circuit board 4 is provided with a plurality of welding holes 1 at intervals along two long sides, and the welding holes 1 arranged along the long sides of the PCB adapting circuit board 4 are two rows, as shown in fig. 1 and fig. 2, the PCB adapting circuit boards 4 on the upper and lower sides are connected in short circuit through the circuit board wiring 2 along the same row of the two rows of welding holes 1 arranged along the two long sides; and the PCB adapter circuit boards 4 on the left side and the right side are also provided with two rows of welding holes 1 for butting pins of the field port bus socket 5 at intervals in the middle of the wide edge along the length direction, and the two rows of welding holes 1 for butting pins of the field port bus socket 5 are disconnected. Left and right sides PCB switching circuit board 4 is in two rows of welding holes 1 that the length direction interval set up in the middle part of broadside, welding hole 1 and the top of the one row of butt joint wild mouth bus socket 5 contact pins along two rows of welding holes 1 that PCB switching circuit board 4 long limit set up are the same row through circuit board wiring 2 short-circuit connection, welding hole 1 and the below of the one row of butt joint wild mouth bus socket 5 contact pins along the same row of circuit board wiring 2 short-circuit connection of two rows of welding holes 1 that PCB switching circuit board 4 long limit set up, as shown in figure 2, the disconnection interval 3 of the two rows of welding holes 1 that left and right sides PCB switching circuit board 4 set up along the length direction interval in the middle part of broadside, the interval equals with the interval of the two rows of contact pins of wild mouth bus socket 5.

Referring to fig. 3, the four PCB relay boards 4 of the present embodiment are connected to two rows of solder holes 1 arranged along the long side of the adjacent PCB relay boards 4 through right-angle rows. Referring to fig. 4, two rows of pins of the field port bus socket 5 are welded with two rows of welding holes 1 which are arranged at intervals along the length direction in the middle of the wide edge of the PCB adapter circuit board 4 on the left side and the right side. And both ends of the field port bus socket 5 are provided with through holes and are arranged on a middle isolation plate between the high-temperature test box and the normal-temperature control box through screws.

Two wild mouthful bus socket 5 that have the through-hole at both ends weld respectively in PCB switching circuit board 4 that has two rows of solder holes 1 in the middle, after the welding is accomplished, with four PCB switching circuit board 4 long edges according to the mode of "mouthful" font butt joint with four right angle row needles carry out welded fastening, every right angle row needle corresponds two rows of solder holes 1 of PCB switching circuit board 4 and is provided with two sets ofly, "mouthful" font butt joint two relative PCB switching circuit board 4 must guarantee the same, after the concatenation was accomplished, just formed one and inserted bus interface device. During installation, the plug-in bus interface device is integrally installed on the middle isolation plate of the high-temperature test box and the normal-temperature control box by four screws.

The utility model discloses in concrete use, earlier two PCB switching circuit board 4 with figure 1 and figure 2 adopt the right angle row needle welded fastening of figure 3, then with figure 2 again with another PCB switching circuit board 4 of figure 1 with same method welded fastening, again with another PCB switching circuit board 4 of figure 2 and another PCB switching circuit board 4 of figure 1 carry out welded fastening, constitute a "mouth" font, weld respectively in the middle of two PCB switching circuit board 4 of figure 2 wild mouthful bus socket 5 of two figures 4 on the welding hole at last. After the soldering is completed, an electronic circuit plug-in bus interface device for the aging equipment is formed, as shown in fig. 5.

The utility model discloses electronic circuit is to inserting bus interface device switching excitation signal channel number can be set for by oneself. And is not limited.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. An electronic circuit plug-in bus interface device, characterized in that: the PCB switching circuit board comprises a PCB switching circuit board (4) and a field port bus socket (5) connected to the PCB switching circuit board (4), wherein a plurality of welding holes (1) and circuit board wiring (2) used for connecting the welding holes (1) are formed in the PCB switching circuit board (4), and a plurality of switching signal channels are formed by the PCB switching circuit board (4) and the circuit board wiring (2) through the welding holes (1); the wild port bus socket (5) meets the requirement of the number of contact pins, two wild port bus sockets (5) are arranged, one wild port bus socket (5) faces a high-temperature test box, the other wild port bus socket (5) faces a normal-temperature control box, and the two wild port bus sockets (5) are connected through a PCB (printed circuit board) switching circuit board (4);

the PCB switching circuit boards (4) are provided with four pieces, the four PCB switching circuit boards (4) are butted in a square shape, two wild-mouth bus sockets (5) are connected to the PCB switching circuit boards (4) on the left side and the right side, the PCB switching circuit boards (4) on the upper side and the lower side are connected to the PCB switching circuit boards (4) on the left side and the right side, and the number of welding holes (1) of the PCB switching circuit boards (4) is matched with the number of pins of the wild-mouth bus sockets (5);

the PCB switching circuit board (4) is of a rectangular structure, a plurality of welding holes (1) are formed in the PCB switching circuit board (4) at intervals along two long edges, and two rows of welding holes (1) are formed in the PCB switching circuit board (4) along the long edges; the PCB switching circuit boards (4) on the upper side and the lower side are in short circuit connection through circuit board wiring (2) along the same row of two rows of welding holes (1) arranged on the two long sides; the PCB switching circuit boards (4) on the left side and the right side are also provided with two rows of welding holes (1) for butting pins of the field port bus socket (5) at intervals in the length direction in the middle of the wide side, and the two rows of welding holes (1) for butting pins of the field port bus socket (5) are disconnected;

in two rows of welding holes (1) which are arranged at intervals in the middle of the wide edge of the PCB switching circuit board (4) on the left side and the right side along the length direction, the welding holes (1) of the upper row of contact pins of the butt joint wild opening bus socket (5) are in short circuit connection with the same row of two rows of welding holes (1) which are arranged along the long edge of the PCB switching circuit board (4) on the upper side through circuit board wiring (2), and the welding holes (1) of the lower row of contact pins of the butt joint wild opening bus socket (5) are in short circuit connection with the same row of two rows of welding holes (1) which are arranged along the long edge of the PCB switching circuit board (4) on the lower side through circuit board wiring (2);

the four PCB switching circuit boards (4) are connected with two rows of welding holes (1) arranged along the long edge of the adjacent PCB switching circuit boards (4) through right-angle row pins.

2. The electronic circuit add-on bus interface device of claim 1, wherein: the disconnection distance (3) of two rows of welding holes (1) which are arranged at the middle part of the wide edge of the PCB switching circuit boards (4) at the left and right sides at intervals along the length direction is equal to the distance between two rows of contact pins of the field port bus socket (5).

3. The electronic circuit add-on bus interface device of claim 2, wherein: two rows of contact pins of the field port bus socket (5) are welded with two rows of welding holes (1) which are arranged at intervals along the length direction in the middle of the wide edge of the PCB switching circuit board (4) at the left side and the right side.

4. The electronic circuit add-on bus interface device of claim 1, wherein: two ends of the field port bus socket (5) are provided with through holes and are arranged on a middle isolation plate between the high-temperature test box and the normal-temperature control box through screws.