CN102856124A

CN102856124A - Matrix junction device

Info

Publication number: CN102856124A
Application number: CN2011101833697A
Authority: CN
Inventors: 高迪军; 朱锋; 张志勇
Original assignee: Siemens AG
Current assignee: Siemens AG
Priority date: 2011-06-30
Filing date: 2011-06-30
Publication date: 2013-01-02
Anticipated expiration: 2031-06-30
Also published as: CN102856124B

Abstract

The invention relates to a matrix junction device. The matrix junction device comprises an input circuit board, an output circuit board, diodes and jack sockets, wherein a plurality of openings which are distributed in a matrix mode are arranged on the input circuit board, and each opening corresponds to one jack socket which is electrically connected with a circuit on the input circuit board. The jack sockets which are in one-to-one correspondence to the openings and are electrically connected with a circuit on the output circuit board are arranged on the output circuit board, and the diodes are arranged between the circuit on the input circuit board and each jack socket on the input circuit board or between the circuit on the output circuit board and each jack socket on the output circuit board. The matrix junction device has the advantages that by means of the circuit boards, the processing difficulty in the junction device manufacture process is reduced, thereby the cost is reduced, compared with the contact between contact pins and contact springs, the matching contact between the contact pins and the jack sockets is reliable, and the reliability of the junction device is improved.

Description

A kind of matrix termination

Technical field

The present invention relates to a kind of matrix termination, particularly relate to a kind of matrix termination for electric power system.

Background technology

Usually can come the one-way communication between many input channels and many output channels is selected with the matrix termination in the electric power system, for example be used for realizing that with hardware mode the Tripping matrix device manages the trip(ping) circuit of generator protection system.Chinese patent application CN101345161A discloses a kind of matrix switch, and wherein input channel and output channel are realized by two-layer bar shaped contact spring up and down respectively.Every layer of reed is parallel to each other, and two-layer reed and with the layer reed insulate mutually.After assembling is finished, up and down two-layer bar shaped contact spring in the vertical direction be projected as a matrix structure, and the position in projection crosspoint has pin holes.After contact pin inserted pin holes, the corresponding bar shaped contact spring of input channel and output channel was respectively from the contact both sides contact pin, and the diode on the contact pin then is electrically connected between described input channel and the output channel.This matrix switch possesses preferably performance, but still has following room for improvement: 1) reed is exposed in the air between easily oxidation and each passage and contact pin only two contact points or contact wire, thereby contact reliability is subject to certain restrictions; 2) high request of required machining accuracy and dielectric strength causes higher process costs.

Summary of the invention

The object of the present invention is to provide a kind of matrix termination, it can reduce cost in the contact reliability that improves power equipment.This realizes by a kind of matrix termination of the present invention, comprise input circuit plate, output circuit plate, diode and jack, wherein said input circuit plate has into the plurality of openings that matrix is arranged, and each described opening is corresponding to a described jack that is electrically connected with circuit on the described input circuit plate.Described output circuit plate have with described opening one to one and the described jack that is electrically connected with circuit on the described output circuit plate, be connected with respectively a described diode between the circuit on the wherein said input circuit plate and each the described jack on it or between the circuit on the described output circuit plate and each the described jack on it.Can described contact pin be inserted and be electrically connected described jack on described jack and the corresponding described output circuit plate on the described input circuit plate by contact pin being passed described opening.

According to one aspect of the present invention, described jack is a line spring hole.

According to another aspect of the present invention, described line spring hole is a pair of camberline spring hole.

According to again one side of the present invention, described input circuit plate and described output circuit plate are printed circuit board (PCB).

According to another aspect of the present invention, described input circuit plate is two circuit boards.

According to another aspect of the present invention, described matrix is 54 to take advantage of 11, and described two blocks of input circuit plates all have 27 and take advantage of 11 openings.

The invention has the advantages that: 1) by adopting circuit board to reduce technology difficulty in the termination manufacture process, thereby provide cost savings; 2) contact pin is more reliable with contacting of contact spring with the cooperation contact gear ratio contact pin of jack, thereby has improved the reliability of termination.

Description of drawings

In conjunction with the following drawings, it is clearer that the features and advantages of the present invention will become, wherein identical parts or the device of identical symbolic representation:

Fig. 1 has schematically showed the front view according to the matrix termination 7 of one embodiment of the present invention;

Fig. 2 has showed the cutaway view that obtains along the section D-D among Fig. 1, relative position and the annexation of wherein only schematically having showed the line spring hole 13 that is connected with input circuit plate 10 and the line spring hole 13 that is connected with output circuit plate 9;

Fig. 3 has schematically showed the annexation between the line spring hole 13 that is connected with input circuit plate 10, the line spring hole 13 that is connected with output circuit plate 9 and the diode 12;

Fig. 4 has schematically showed the matrix termination 8 according to another execution mode of the present invention.

List of numerals:

7,8 matrix terminations; 2,3, B, C circuit

9,10,11 circuit boards; A1-A3, B1-B3, C1-C6 opening;

12 diodes; 13 line spring holes (jack);

14 contact pins; 15 directions;

16 sleeve pipes.

Embodiment

According to one embodiment of the present invention, matrix termination 7 comprises the circuit board 10 as the input circuit plate shown in Figure 1, shown in Figure 2 as the circuit board 9 of output circuit plate with as the line spring hole 13 of jack and diode 12 shown in Figure 3, and wherein circuit board 10 has into nine opening A1-A3, B1-B3, the C1-C3 that matrix is arranged.Among opening A1-A3, B1-B3, the C1-C3 each is corresponding to a line spring hole 13, and these line spring holes 13 are electrically connected with circuit on the circuit board 10.Have the line spring hole 13 one to one with opening A1-A3, B1-B3, C1-C3 on the output circuit plate 9, and on the output circuit plate 9 these are electrically connected with circuit on the circuit board 9 as the line spring hole 13 of jack.As shown in Figure 2, corresponding a pair of line spring hole 13 is fixed in the sleeve pipe 16 that is connected between parallel circuit board 10 and the circuit board 9 insulated from each otherly.Simultaneously, in order to ensure one-way communication, be connected with respectively as shown in Figure 3 a diode 12 between each line spring hole 13 on circuit on the circuit board 10 and the circuit board 10, perhaps according to being connected with respectively a diode 12 between the circuit on a kind of unshowned execution mode circuit board 9 and each the line spring hole 13 on the circuit board 9.Can be by the contact pin 14 among Fig. 3 being passed among corresponding opening A1-A3, B1-B3, the C1-C3 one or a plurality of contact pin 14 is inserted corresponding line spring hole 13 on line spring hole 13 and the output circuit plate 9 on the input circuit plates 10 along direction 15, thus line spring hole 13 corresponding on the line spring hole 13 on the input circuit plate 10 and the output circuit plate 9 is electrically connected.Although be provided with opening A1-A3, B1-B3, C1-C3 on the circuit board 9 among Fig. 2, also can only at circuit board 10 opening A1-A3, B1-B3, C1-C3 be set, and corresponding line spring hole 13 directly is welded on the circuit board 9.At this moment, the degree of depth of contact pin 14 insertions is subject to the restriction of circuit board 9.

Although the jack shown in Fig. 2 and 3 is a line spring hole 13, but it will be appreciated by those skilled in the art that, jack also can be other jockey with two above contact points or contact wire, wherein is preferably a pair of camberline spring hole and also can for example obtains from the product of China Aviation Optical-Electrical Technology Co., Ltd.Fig. 3 has further schematically showed opening B2, B3, C2, the C3 in the execution mode of Fig. 1, wherein removed circuit board 10 and circuit board 9 but kept on the circuit board 10 as on the circuit B of incoming line and circuit C and the circuit board 9 as circuit 2 and the circuit 3 of outlet line.The contact pin 14 that inserts along direction 15 will be electrically connected along the line spring hole a pair of insulated from each other 13 that direction 15 arranges equally.Circuit B and circuit C are connected in series respectively the line spring hole 13 on the negative electrode connecting circuit board 10 of the anode of diode 12 of two longitudinal arrangements in Fig. 3 and diode 12, and circuit 2 and circuit 3 two line spring holes 13 transversely arranged in Fig. 3 on the sequential circuit plates 9 respectively.It will be appreciated by those skilled in the art that, according to a kind of unshowned execution mode, also can be arranged to the line spring hole 13 on the anodic bonding circuit board 9 that circuit 2 and circuit 3 be connected in series respectively the negative electrode of two transversely arranged diodes 12 and diode 12, and circuit B and the circuit C line spring hole 13 of two longitudinal arrangements on the sequential circuit plate 10 respectively.Contact pin 14 can be a contact rod (for example metal bar), and can be insulated material parcel at the one end and grasp with the handled easily personnel.

According to another embodiment of the present invention, matrix termination 8 comprises as shown in Figure 4 as two circuit boards 10 of input circuit plate and circuit board 11, thereby the aperture position on the input circuit plate can be set neatly.

In above-mentioned each execution mode, circuit board 10, circuit board 11 and/or circuit board 9 can be printed circuit board (PCB).It will be appreciated by those skilled in the art that, input circuit plate and output circuit plate can have the opening and corresponding jack and the diode 12 that become matrix to arrange of various quantity as required, for example the matrix of output circuit plate is 54 to take advantage of 11, takes advantage of 11 openings and the matrix of two blocks of input circuit plates all has 27.In addition, the quantity of each circuit connection and direction also can correspondingly change according to the form of matrix.

Although more than showed embodiments of the present invention, described execution mode is not intended to show all possible form of the present invention.In addition, the content in this specification is descriptive, and nonrestrictive.Those skilled in the art can make variations and modifications to the content of this specification, and do not depart from the scope of purport of the present invention and claim.

Claims

1. a matrix termination (7), comprise input circuit plate (10), output circuit plate (9), diode (12) and jack (13), wherein said input circuit plate (10) has into the plurality of openings (A1-A3 that matrix is arranged; B1-B3; C1-C3), each described opening (A1-A3; B1-B3; C1-C3) corresponding to a described jack (13) that is electrically connected with circuit on the described input circuit plate (10); Described output circuit plate (9) has and described opening (A1-A3; B1-B3; C1-C3) one to one and the described jack (13) that is electrically connected with circuit on the described output circuit plate (9); Be connected with respectively a described diode (12) between circuit on the wherein said input circuit plate (10) and each the described jack (13) on it or between the circuit on the described output circuit plate (9) and each the described jack (13) on it; Can be by contact pin (14) be passed described opening (A1-A3; B1-B3; C1-C3) described contact pin (14) is inserted and is electrically connected described jack (13) on described jack (13) and the corresponding described output circuit plate (9) on the described input circuit plate (10).

2. matrix termination as claimed in claim 1 (7) is characterized in that, described jack (13) is a line spring hole.

3. matrix termination as claimed in claim 2 (7) is characterized in that, described line spring hole is a pair of camberline spring hole.

4. matrix termination as claimed in claim 3 (7) is characterized in that, described input circuit plate (10) and described output circuit plate (9) are printed circuit board (PCB).

5. such as the described matrix termination of above-mentioned arbitrary claim (8), it is characterized in that described input circuit plate is two circuit boards (10,11).

6. matrix termination as claimed in claim 5 (8) is characterized in that, described matrix is 54 to take advantage of 11, and described two blocks of input circuit plates (10,11) all have 27 and take advantage of 11 openings.