TW201431190A - Board-to-board connector and light bar module - Google Patents

Abstract

The board-to-board connector of the present invention includes at least: a bottom seat, a top seat and a locking device; the bottom seat is formed by combining two opposite seat bodies and forms a slot which can be pressed and connected by the top seat, and the locking device avoids the seat bodies and the top seat from forming longitudinal displacement and lateral displacement; each base body is provided with two male terminals, and the top seat is provided with two female terminals respectively in contact with the two male terminals, so as to serially connect the male terminals of the two base bodies. The present invention can use only simple pressing and connecting operation to complete fixing of the base seat and the top seat and electrical connection of board to board.

Description

Board to board connector and light bar module

The present invention relates to a board-to-board connector, and more particularly to a board-to-board connector that achieves excellent bonding and electrical conductivity by a simple crimping action.

According to general lighting fixtures, such as indoor fluorescent lamps, table lamps, outdoor lighting, street lights, etc., can provide the necessary lighting, and the types of lamps and their light sources produce a variety of lighting patterns, which are common and widely available on the market. The light-emitting diode (LED) used has good photoelectric conversion efficiency, fixed wavelength, and adjustable light quantity and light quality, and can achieve the advantages of small volume, low heat generation and long service life.

However, the current illuminating diode lamps can be roughly classified into a bulb type and a flat type, but the brightness of a single illuminating diode for lighting or warning purposes is rather limited, and most of the illuminating diodes must be assembled. In order to produce sufficient brightness and lighting effects, the LED light-emitting diodes in the LEDs of the market are mostly in the form of long plates and strips, and the light-emitting diode boards can be installed. It is disposed on the illuminating diode lamp, and the number of the illuminating diodes on the illuminating diode lamp plate is larger, and the length and the area required for the illuminating diode lamp plate are larger, but the large size illuminating diode The difficulty and cost of manufacturing the lamp panel are high, which is not conducive to mass production and the quality and yield of the overall manufacturing are also unstable.

Another way of enlargement is to connect the light source modules 91 of a plurality of LED lamps in series. As shown in the first figure, the common wires 92 are welded or connected, and the modularization efficiency in this manner is not good. Sometimes in order to increase the illumination angle or range of the lighting module, the light source modules of the plurality of LED lamps are often at different angles. They are connected together, and the connection method is usually carried out by wire bonding or connection. The modularization efficiency of this method is also not good, and the wire bonding method often falls off due to external force or environmental influence, which increases the product defect rate.

In view of the above, the present invention provides a board-to-board connector which is a board-to-board connector which achieves excellent bonding force and conductivity by a simple crimping action, and is its main purpose.

In order to achieve the above, the board-to-board connector of the present invention comprises at least a base, an upper seat and a latching device, wherein the base is formed by opposing the two bodies and forming a slot for the upper seat to be crimped. The clamping device prevents longitudinal displacement and lateral displacement of the seat body and the upper seat, and each seat body is provided with two male terminals, and the upper seat is provided with two female terminals, and respectively contacts the two male terminals.

According to the foregoing technical means, the male terminal of the two seats can be connected in series by a simple crimping action of the upper seat being crimped on the base, thereby completing the fixing of the base and the upper seat and the electrical connection of the board to the board.

In order to achieve the above object, the first card assembly is provided with a first block and a first recess, the first block is located at a side of the seat relative to the slot, and the first recess is located at a side of the upper seat And the upper seat is opposite to the first recess and is formed with a blocking portion, so that the first block can be inserted through the first recess and pressed against the blocking portion.

To achieve the above object, the first block is formed with a beveled edge.

To achieve the above purpose, the second latching assembly is provided with a second bump and a second recess, the second bump is located at the side of the upper seat, and the second recess is located at the seat relative to the slot Above the outer side, the second bump is positioned at the first Inside the two grooves.

In order to achieve the above object, the bottom of the second groove is formed with a concave portion, and the second protrusion is correspondingly formed with a protruding portion, and the corresponding correspondingly inserted into the concave portion.

In order to achieve the above purpose, the two female terminals are staggered in the upper seat, so that the male terminal of the front end of one of the bodies is connected in series with the male terminal of the rear end of the other body.

In order to achieve the above purpose, the bottom of the base body is formed with a protruding positioning post.

The invention also provides a light bar module comprising at least: N circuit boards and N-1 board-to-board connectors, the circuit board surface is provided with a plurality of electrically connected light-emitting elements, each circuit board having no mutual Adjacent to the first and second sides, each of the first sides includes a positive contact and a negative contact, and each of the second sides includes a positive contact and a negative contact.

The first male terminal of the i-th base is electrically connected to the positive contact of the i-th second side of the circuit board and the positive contact of the first side of the i+1th circuit board, and The second male terminals of the two bases are respectively electrically connected to the negative contact of the i-th second side of the circuit board and the negative contact of the i+1th first side of the circuit board, wherein 1≦i ≦N-1, and N≧2.

With the provision of the board-to-board connector, the purpose of quickly assembling a plurality of circuit boards (substrates) is achieved by a simple crimping operation in which the upper seat is crimped onto the base.

For the above purpose, when the first side of the circuit board is adjacent to the second side of the next circuit board, the positive side contact and the negative side contact point of the first side are arranged and the second side The arrangement positions of the positive electrode contact and the negative electrode contact are different, and the first and second female terminals are staggered in the upper seat.

To achieve the above objective, each of the circuit boards has a positive side contact and a negative contact point on the first side when the first side thereof is adjacent to the second side of the next circuit board. The arrangement position is the same as the arrangement of the positive electrode contact and the negative electrode contact of the second side.

The features of the present invention can be clearly understood by referring to the drawings and the detailed description of the embodiments.

2 is a perspective view of the structure of the board-to-board connector of the present invention, and FIG. 2 is a structural exploded view of the board-to-board connector of the present invention. The board-to-board connector 1 of the present invention includes at least: the base 10 , the upper seat 20 and the cassette device, wherein: The base 10 is provided with two bases 11, each of which is provided with first and second male terminals 12, 13. One end of the first and second male terminals 12, 13 extends with a contact end 14 exposed above the base 11. The other end is extended with a soldering end 15 exposed at the bottom of the base 11, and the two seats 11 are formed to have a slot 16 at the opposite ends. Please refer to the embodiment shown in the fourth figure, the slot 16 has an upper opening 161. .

The upper seat 20 is crimped and fixed to the slot 16, and the upper seat 20 is provided with first and second female terminals 21 and 22. The first and second female terminals 21 and 22 extend at one end thereof with a crimping end 23 exposed at the bottom of the upper seat 20.

The latching device is located between the base and the upper seat. Please refer to the fifth figure at the same time. The first latch assembly 30 is provided to prevent the seat body 11 from being longitudinally displaced from the upper seat 20, and the second latch assembly 40 is prevented from being seated. The body 11 is laterally displaced from the upper seat 20; wherein the first latch assembly 30 is provided with a first block 31 and a first recess 32, the first block 31 is located on the side of the base 11 with respect to the slot 16, and the first The block 31 is formed with a beveled edge 311, the first recessed portion 32 is located at a side of the upper seat 20, and the upper seat 20 is formed below the first recessed portion 32 and is formed with a stopper 33.

The second latching member 40 is provided with a second bump 41 and a second recess 42. As shown in the third and fifth figures, the second bump 41 is located at the side of the upper seat 20, and the second recess 42 is located. The seat body 11 is opposite to the upper side of the slot 16.

The board-to-board connector of the present invention is applied to a light bar module. As shown in FIG. 6 and FIG. 7 , the light bar module is provided with a plurality of circuit boards 50 (two or more), and a plurality of the present invention. The board-to-board connector 1 (the number of which is one less than the number of the circuit boards); the surface of the circuit board 50 is provided with a plurality of electrically connected light-emitting elements (not shown), and each of the circuit boards 50 has a non-adjacent number The first side 51 includes a positive contact 511 and a negative contact 512, and each of the second sides 52 includes a positive contact 521 and a negative connection. Point 522.

When used as a whole, the base of a board-to-board connector is first soldered to the two circuit boards 50, wherein the soldering end 15 of the first male terminal of the body 11 is soldered to the positive contact 521 on the second side of the circuit board. The soldering end 15 of the second male terminal of the base 11 is soldered to the negative contact 522 on the second side of the circuit board, and the soldering end 15 of the first male terminal of the other body 11 is soldered to the next circuit board. The positive electrode contact 511 of the side, the soldering end 15 of the second male terminal of the base 11 is soldered to the negative contact 512 of the first side of the next circuit board; of course, the bottom of each block is formed with a convex positioning The column 17 and the circuit board are provided with corresponding positioning slots 53 to further increase the positioning effect of the base body and the circuit board.

The upper base 20 is assembled and inserted into the base 10, and the first block 31 is inserted into the first recess 32 and pressed against the blocking portion 33 to prevent the seat body from being locked. 11 forms a longitudinal (upper and lower) displacement with the upper seat 20; and the first block 31 is formed with a beveled edge 311 to facilitate assembly; and the second projection 41 is positioned in the second recess 42 to prevent the seat Body 11 and upper seat 20 are formed The lateral direction (front, rear, left, and right) is displaced; and the second groove 42 is formed with a concave portion 421 at the bottom, and the second protrusion 41 is correspondingly formed with a protruding portion 411, which can be correspondingly inserted into the concave portion 421 To further increase the stability of the assembly.

When the upper seat 20 is inserted and fixed on the base 10, please refer to the ninth figure, the crimping end 23 in the upper seat 20 and the contact end 14 of the two seats respectively contact each other, thereby connecting the two seats. The first male terminal is connected in series and the second terminal is connected in series, so that the positive contact of the second side of the circuit board is connected to the positive contact of the first side of the next circuit board, and the circuit board The negative contact of the two sides can be connected to the negative contact of the first side of the next circuit board to complete the serial connection and electrical conduction of the plurality of circuit boards.

Furthermore, if each of the circuit boards is adjacent to the second side of the next circuit board, as shown in FIG. 10, the positive side contact 511 and the negative contact point 512 of the first side are The arrangement position is different from the arrangement position of the positive electrode contact 521 and the negative electrode contact 522 of the second side, wherein the arrangement positions of the first and second male terminals 12 and 13 of the one body and the first and second positions of the other body are different. The arrangement positions of the male terminals 12, 13 are reversed, and the first and second female terminals 21, 22 are staggered in the upper seat.

If each of the circuit boards is adjacent to the second side of the next circuit board, as shown in FIG. 11 , the arrangement positions of the positive electrode contact 511 and the negative electrode contact 512 on the first side are arranged. The arrangement positions of the positive electrode contact 521 and the negative electrode contact 522 on the second side are the same, and the first and second female terminals 21 and 22 are not staggered in the upper seat.

In summary, the present invention provides a preferred and feasible board-to-board connector, and the invention patent application is provided according to the law; the technical content and technical features of the present invention are disclosed above, but those skilled in the art may still be based on The invention The various alternatives and modifications are not to be construed as a departure from the spirit of the invention. Therefore, the scope of the present invention should be construed as being limited by the scope of the appended claims

1‧‧‧Board to board connector

10‧‧‧Base

11‧‧‧

12‧‧‧first male terminal

13‧‧‧second male terminal

14‧‧‧Contact end

15‧‧‧welding end

16‧‧‧Slots

161‧‧‧ openings

17‧‧‧Positioning column

20‧‧‧上上

21‧‧‧First female terminal

22‧‧‧Second female terminal

23‧‧‧Crimp end

30‧‧‧First card assembly

31‧‧‧First card block

311‧‧‧ oblique sides

32‧‧‧First recess

33‧‧‧

40‧‧‧Second cassette assembly

41‧‧‧second bump

42‧‧‧second groove

50‧‧‧ boards

51‧‧‧ first side

511‧‧‧ positive contact

512‧‧‧negative contact

52‧‧‧ second side

521‧‧‧ positive contact

522‧‧‧negative contact

53‧‧‧ positioning slot

91‧‧‧Light source module

92‧‧‧Wire

The first figure is a perspective view of the structure in which the circuit boards are connected.

The second figure is a perspective view of the structure of the board-to-board connector of the present invention.

The third figure is an exploded view of the board-to-board connector of the present invention.

The fourth figure is a cross-sectional view showing the structure of the board-to-board connector of the present invention.

Figure 5 is a cross-sectional view showing another structure of the board-to-board connector of the present invention.

The sixth figure is an exploded view of the structure of the light bar module of the present invention.

The seventh figure is a schematic structural view of the light bar module of the present invention.

Figure 8 is a cross-sectional view showing the structure of the light bar module of the present invention.

Figure 9 is a cross-sectional view showing another structure of the light bar module of the present invention.

The tenth figure is a perspective view showing the structure of the male terminal and the female terminal in the present invention.

Figure 11 is a perspective view showing another structure of the male terminal and the female terminal in the present invention.

1‧‧‧Board to board connector

10‧‧‧Base

11‧‧‧

12‧‧‧first male terminal

13‧‧‧second male terminal

14‧‧‧Contact end

16‧‧‧Slots

20‧‧‧上上

21‧‧‧First female terminal

22‧‧‧Second female terminal

41‧‧‧second bump

Claims (10)

A board-to-board connector includes at least a base, which is provided with two bases, each of which is provided with first and second male terminals, and one end of the first and second male terminals is extended to expose the base The upper end of the contact end has a soldering end exposed at the bottom of the base body, and the two seats are formed at opposite ends to form a slot; the upper seat is crimped and fixed to the slot, and the upper seat is provided with the first and second ends. a female terminal, one end of the first and second female terminals extending from a crimping end exposed at a bottom of the upper seat, and in contact with the contact end, thereby connecting the first male terminal of the two body and the second terminal phase And the latching device is located between the base and the upper seat, and the first latching assembly prevents longitudinal displacement of the base and the upper seat, and the second latching assembly prevents the base and the upper seat A lateral displacement is formed. The board-to-board connector of claim 1, wherein the first card assembly is provided with a first block and a first recess, the first block being located at a side of the seat relative to the slot, The first recess is located on the side of the upper seat, and the upper seat is opposite to the first recess and is formed with a stop for allowing the first block to pass through the first recess and press against the upper portion. The board-to-board connector of claim 2, wherein the first card block is formed with a beveled edge. The board-to-board connector of any one of claims 1 to 3, wherein the second latch assembly is provided with a second bump and a second recess, the second bump being located on a side of the upper seat, The second groove is located outside the seat body relative to the upper side of the slot, so that the second protrusion is positioned in the second groove. The board-to-board connector of claim 4, wherein the second groove The bottom portion is formed with a concave portion, and the second convex portion is correspondingly formed with a convex portion, and can be correspondingly inserted into the concave portion. The board-to-board connector according to any one of claims 1 to 3, wherein the arrangement positions of the first and second male terminals of the one body and the arrangement positions of the first and second male terminals of the other body are The opposite is true, and the first and second female terminals are staggered in the upper seat. The board-to-board connector of any one of claims 1 to 3, wherein the bottom of the base body is formed with a protruding positioning post. A light bar module includes at least: N circuit boards having a plurality of electrically connected light emitting elements on the surface thereof, each circuit board having first and second sides not adjacent to each other, wherein each of the first One side includes a positive contact and a negative contact, and each of the second sides includes a positive contact and a negative contact; and N-1 are as claimed in any one of claims 1 to 3. a board-to-board connector, wherein the first male terminal of the i-th base is respectively connected to the positive contact of the i-th second side of the circuit board and the positive side of the first side of the i+1th circuit board Electrically connected, and the second male terminal of the i-th base is respectively electrically connected to the negative contact of the i-th second side of the circuit board and the negative contact of the i+1th first side of the circuit board Sexual connections, where 1≦i≦N-1, and N≧2. The light bar module of claim 8, wherein each of the circuit boards has a positive side contact and a negative contact point on the first side when the first side is adjacent to the second side of the next circuit board. The arrangement position is different from the arrangement position of the positive electrode contact and the negative electrode contact of the second side, and the first and second female terminals are staggered in the upper seat. The light bar module of claim 8, wherein each of the circuit boards has When the first side is adjacent to the second side of the next circuit board, the arrangement of the positive contact and the negative contact of the first side is the same as the arrangement of the positive contact and the negative contact of the second side. .