TW201713183A - Connection structure and many export power supply feeding mechanism are exported to circuit board more - Google Patents

Abstract

The utility model discloses a connection structure is exported to the circuit board more, including main circuit board, extension circuit board, fixing base and electric connector, the last electrical connection terminal that is equipped with of main circuit board, fixing base fixed mounting in main circuit board is last, extension circuit board fixed mounting in be provided with electrical connection terminal on the fixing base and on it, electric connector one end peg graft in main circuit board is last and be connected with main circuit board's electrical connection terminal electricity, the other end peg graft in be connected on the extension circuit board and with the electrical connection terminal electricity of extension circuit board. The utility model discloses an increase the extension circuit board and increase at least one electrical connection terminal who connects the grafting port, can realize the many outputs of unit, promoted output efficiency, save the cost, and the fixed extension circuit board of fixing base for the product structure is firm. The utility model also discloses a many export power supply feeding mechanism that corresponds.

Description

Circuit board multi-output connection structure and multi-output power supply device thereof

The present invention relates to a power supply device, and more particularly to a power supply device that can supply a plurality of devices at the same time.

The main purpose of the power supply device is to convert the high-voltage and low-stability AC input power provided by the power company into a low-voltage and stable DC output power source suitable for various electronic devices. Therefore, the power supply is widely used in electronic devices such as computers, office automation equipment, industrial control equipment, and communication equipment.

The power supply device generally includes a main circuit board, a power processing unit mounted on the main circuit board, and a plug-in port mounted on the main circuit board and electrically connected to the output end of the power processing unit. However, the power supply device has only one Plug-in power supply for computer peripherals, the current output under the same size power supply is limited, and the output power of the power supply cannot be increased, and the basic peripheral equipment that must be equipped in today's computers is increasing. When the power supply is to be connected to a plurality of peripheral devices, a plurality of main circuit boards having power processing units are required, thereby causing an increase in the manufacturing cost of the power supply. Therefore, there is an urgent need for a power supply device that can solve the above problems.

The object of the present invention is to provide a multi-output connection structure of a circuit board, which can be single The machine has multiple outputs, which effectively increases the output power of the power supply, and does not need to add a corresponding main circuit to reduce the manufacturing cost.

Another object of the present invention is to provide a power supply device that can output a plurality of power sources without increasing a circuit processing unit, thereby effectively increasing power output power and saving cost.

In order to achieve the above object, the present invention discloses a circuit board multi-output connection structure, which comprises a main circuit board, an expansion circuit board, a fixing base and an electrical connector. The main circuit board is provided with a first electrical connection terminal, and the fixing seat is fixed. Mounted on the main circuit board, the expansion circuit board is fixedly mounted on the fixing base and is provided with a second electrical connection terminal, and one end of the electrical connector is plugged onto the main circuit board and is connected to the main circuit board The first electrical connection terminal is electrically connected, and the other end is plugged into the expansion circuit board and electrically connected to the second electrical connection terminal of the expansion circuit board.

Compared with the prior art, the present invention increases at least one electrical terminal by adding an expansion circuit board, which can realize single-machine multi-output, improve output efficiency, and save cost. On the other hand, the fixing base of the present invention is mounted on the main circuit board, so that the structure of the multi-output connecting structure of the circuit board is stable.

In an embodiment of the invention, the fixing base includes a fixing block and a locking member, the fixing block is disposed on the main circuit board, and the expansion circuit board is supported on the fixing block, and the fixing block is mounted on the main body by a lock. On the circuit board, the expansion board is mounted on the fixed block by a lock. The expansion board is supported by the fixed block, and the stability of the expansion board is further increased due to the large contact area between the fixed block and the expansion board.

In an embodiment of the invention, the fixing block has a main body body of the expansion circuit board supported on the fixing block, and the electrical connector is mounted on the fixing block and one end of the expansion board is plugged on the main circuit board. And electrically connected to the first electrical connection terminal of the main circuit board, and the other end is plugged into the expansion The charging circuit board is electrically connected to the second electrical connection terminal of the expansion circuit board. In this solution, the electrical connector is mounted on the fixed block so that the fixed block can effectively protect the electrical connector.

In an embodiment of the invention, the side of the fixing block is provided with one or several through holes for helping the device to dissipate heat.

In an embodiment of the present invention, the fixing block is provided with a socket through which the electrical connector passes, the electrical connector is mounted in the socket, and one end is plugged into the main circuit board and The main circuit board is electrically connected, and the other end is plugged into the expansion circuit board and electrically connected to the expansion circuit board. The solution allows the electrical connector to be directly mounted on the fixing seat, and has a simple structure and convenient assembly.

In an embodiment of the invention, the first power receiving terminal and the second power receiving terminal comprise a power terminal for transmitting a power source and a signal terminal for transmitting a signal, the electrical connector comprising a copper pin electrically connected to the power terminal and The signal terminals are electrically connected and have one-to-one corresponding pin headers, wherein the jacks include a copper pin jack for the copper to pass through and a pin jack for the row to pass through, the copper pins and the pin headers respectively corresponding to Mounted in the copper pin jack and the pin jack, and one end is plugged into the main circuit board and electrically connected to the main circuit board, and the other end is plugged to the expansion circuit board and the expansion circuit board Electrical connection. In this solution, the pin transmission signal corresponding to the power terminal is used to make the signal transmission stable.

The invention also discloses a multi-output power supply device comprising a housing and a circuit board multi-output connection structure, the multi-output connection structure of the circuit board is as shown above, the main circuit board is provided with a power processing unit, and the power processing unit outputs The terminal is electrically connected to the first electrical terminal of the main circuit board, the first electrical terminal of the main circuit board is inserted into the first plug, and the second electrical terminal of the expansion circuit board is inserted into the second plug Connecting, so that the first plug and the second plug are respectively connected Power supply.

100, 100a‧‧‧PCB multi-output connection structure

11‧‧‧ main board

111‧‧‧First mounting hole

112, 122‧‧‧ Electrical terminals

12‧‧‧Expansion board

121‧‧‧First mounting hole

13, 13a‧‧‧ fixed seat

14‧‧‧Electrical connectors

151‧‧‧First plug

152‧‧‧Second plug

31, 31a‧‧‧ fixed block

311‧‧‧ jack

3111‧‧‧ copper pin jack

3112‧‧‧ pin header

312‧‧‧ Ventilation holes

313‧‧‧ screw holes

32‧‧‧Lock Firmware

321‧‧‧ sleeve

322‧‧‧ screws

323‧‧‧Auxiliary mounting holes

33‧‧‧ needle seat

41‧‧‧ copper needle

41a‧‧‧Bronze Column

411‧‧‧ copper pillar body

413‧‧‧second connecting feet

42‧‧‧ pin header

51‧‧‧Power terminal

52‧‧‧Signal terminals

Fig. 1 is a view showing the structure of a multi-output connection structure of a circuit board in the first embodiment of the present invention.

Fig. 2 is a cross-sectional view showing the multi-output connection structure of the circuit board shown in Fig. 1.

Fig. 3 is an exploded perspective view showing the multi-output connection structure of the circuit board shown in Fig. 1.

Fig. 4 is a view showing the structure of a fixed block of the multi-output connection structure of the circuit board shown in Fig. 1.

Fig. 5 is a schematic view showing the structure of the multi-output connection structure of the circuit board shown in Fig. 1 at another angle.

Figure 6 is a block diagram showing the structure of a multi-output connection structure of a circuit board in the second embodiment of the present invention.

Figure 7 is a cross-sectional view showing the multi-output connection structure of the circuit board shown in Figure 6.

Fig. 8 is an exploded perspective view showing the multi-output connection structure of the circuit board shown in Fig. 6.

Referring to FIGS. 1 through 5, the multi-output power supply device of the present invention includes a housing (not shown) and a circuit board multi-output connection structure 100, wherein the circuit board multi-output connection structure 100 of the first embodiment includes a main The circuit board 11, the expansion circuit board 12, the fixing base 13 and the electrical connector 14, the main circuit board 11 is provided with a power processing unit (not shown), and is provided with a power receiving terminal 112, and the power receiving terminal 112 is plugged in The first socket 151, the fixing base 13 is fixedly mounted on the main circuit board 11. The expansion circuit board 12 is fixedly mounted on the fixing base 13 and is provided with the electrical terminal 122, and the electrical terminal 122 is inserted into the second plug. The terminal 152 is electrically connected to the main circuit board 11 and electrically connected to the electrical terminal 112 of the main circuit board 11 , and the other end is plugged into the expansion circuit board 12 and connected to the expansion circuit board 12 . Terminals 122 are electrically connected. The first plug port 151 and the second plug port 152 respectively output power supply. The end of the electrical connector 14 electrically connected to the electrical terminal 112 of the main circuit board 11 is substantially The upper end is connected to the output end of the power processing unit, wherein the power processing unit is an AC to DC conversion circuit or a DC to DC conversion circuit, and the input end of the power processing unit receives the AC power or DC power for conversion and outputs to the main circuit board 11 The power receiving terminal 112 and the power receiving terminal 122 of the expansion circuit board 12 are inserted into the expansion circuit board 12 and electrically connected to the power receiving terminal 122 of the expansion circuit board 12, so that the first power insertion terminal 112 is electrically connected to the power receiving terminal 122 of the expansion circuit board 12. The port 151 and the second plug port 152 are connected in parallel.

Compared with the prior art, the present invention increases at least one plug-in port 15 by adding the expansion circuit board 12, which can realize single-machine multi-output, improve output efficiency, and save cost. On the other hand, the expansion circuit board 12 of the present invention is mounted on a fixed base 13 which is mounted on the main circuit board 11, so that the installation of the expansion circuit board 12 is more stable.

Referring to FIG. 5, the power receiving terminals 112 and 122 include a power terminal for transmitting a power source and a signal terminal for transmitting a signal. The first plug port 151 and the second plug port 152 corresponding to the plugged terminals 112 and 122 include a power source. The power terminal 51 and the signal terminal 52 for transmitting a signal, the electrical connector 14 includes a copper pin 41 electrically connected to the power terminal 51 and a pin header 42 electrically connected to the signal terminal 52. One end of the copper pin 41 is inserted into the main circuit board 11 and electrically connected to the power terminal 51 of the plug port 151 through the power receiving terminal 112 or the wiring (or conductive wire) on the circuit board, and the other end is plugged into the expansion circuit board. The power supply terminal 51 on the 12 and the plug connector 152 is electrically connected through the power receiving terminal 122 or a wiring (or a conductive wire) on the circuit board. One end of the pin 42 is plugged into the main circuit board 11 and electrically connected to the signal terminal 52 of the plug 151 through the electrical terminal 112 or the wiring (or conductive line) on the circuit board, and the other end is plugged into the expansion. The circuit board 12 and the signal terminals 52 of the plug 152 are electrically connected one by one through the electrical terminals 122 or the wiring (or conductive lines) on the circuit board. Of course, the structure of the electrical connector 14 is not limited thereto.

Preferably, the substrate of the expansion circuit board 12 is an aluminum substrate, compared to the existing printing. The substrate material used in the board has better heat dissipation.

Referring to FIGS. 1 to 3, the fixing base 13 includes a fixing block 31 and a locking member 32. The fixing block 31 is disposed on the main circuit board 11, and the main body of the expansion circuit board 12 is supported on the fixing block 31. The fixing block 31 is mounted on the main circuit board 11 by the lock 32, and the expansion board 12 is mounted on the fixed block 31 by the lock 32. The electrical connector 14 is mounted on the fixed block 31 and has one end plugged into the main circuit board 11 and electrically connected to the electrical terminal 112 of the main circuit board 11 and is electrically connected to the plug connector 15 through the electrical terminal 112. The other end is connected to the expansion circuit board 12 and electrically connected to the power receiving terminal 122 of the expansion circuit board 12, and is electrically connected to the plug connector 5 through the power receiving terminal 122. In this solution, the electrical connector 14 is mounted on the fixed block such that the fixed block can effectively protect the electrical connector 14.

Referring to FIG. 2 to FIG. 4 , the fixing block 31 is provided with a through screw hole 313 . The main circuit board 11 is provided with a first mounting hole 111 corresponding to the screw hole 313 , and the expansion circuit board 12 is provided with a screw hole. The second mounting hole 121 corresponding to the 313, the locking member 32 includes a sleeve 321 threadedly engaged with the screw hole 313 and having an auxiliary mounting hole 323 at its end, and a screw 322 threadedly engaged with the auxiliary mounting hole 323. The sleeve 321 is sequentially mounted on the screw On the first mounting hole 111 on the main circuit board 11, the screw hole 313, and the second mounting hole 121 of the expansion circuit board 12, the screw 322 passes through the second mounting hole 121 and is screwed into the auxiliary mounting hole 323 to open the main circuit. The board 11, the expansion board 12 and the fixed block 31 are fixed together. This embodiment allows the mount 13 to be coupled to the main circuit board 11 and the expansion board 12 in a single and stable manner. Of course, the fixing block 31 can also be fixed to the main circuit board 11 by the fasteners of other structures, and the expansion circuit board 12 can be fixed to the fixing block 31.

Preferably, referring to FIG. 1 and FIG. 4, the side of the fixing block 31 is provided with one or several through holes 312 for helping the device to dissipate heat.

Referring to FIG. 4, a socket 311 through which the power supply connector 14 passes is inserted through the fixing block 31. The electrical connector 14 is mounted in the socket 311, and one end is inserted into the main circuit board 11 and connected to the main circuit board. 11 is electrically connected, and the other end is plugged into the expansion circuit board 12 and electrically connected to the expansion circuit board 12. Correspondingly, the jack 311 is divided into a copper pin jack 3111 through which the copper pin 41 passes and a pin jack 3112 through which the pin 42 is correspondingly passed. Referring to FIGS. 1 to 3, the copper pin 41 is correspondingly mounted in the copper pin jack 3111, and one end is plugged into the main circuit board 11 and electrically connected to the main circuit board 11, and the other end is plugged into the expansion board. 12 is electrically connected to the expansion board 12. The pin header 42 is correspondingly mounted in the pin jack 3112, and one end is plugged into the main circuit board 11 and electrically connected to the main circuit board 11, and the other end is plugged into the expansion circuit board 12 and electrically connected to the expansion circuit board 12. connection.

Referring to Figures 6 through 8, in accordance with a second embodiment of the present invention, another circuit board multiple output connection structure 100a is disclosed. In contrast to the first embodiment, in this embodiment, the mount 13a includes two The fixing blocks 31a are disposed on the main circuit board 11 at a certain interval. The two ends of the expansion board 12 are respectively supported on the two fixing blocks 31a, and the electrical connectors 14 are located between the two fixing blocks 31a. This embodiment reduces the cost of the fixing base 31a and improves the heat dissipation of the fixing base 13.

Referring to FIGS. 7 and 8, in contrast to the first embodiment, in the present embodiment, the fixing base 13a further includes a header holder 33 which is mounted on the main circuit board 11 and the expansion board 12 And a pin header 331 for the pin header 42 to pass through, and the pin 42 is correspondingly mounted in the pin jack 311, and one end is plugged into the main circuit board 11 and The main circuit board 11 is electrically connected, and the other end is plugged into the expansion circuit board 12 and electrically connected to the expansion circuit board 12. The copper post 41a includes a sheet-shaped copper pillar body 411, a first connecting leg 412 protruding downward from the lower end of the copper pillar body 411, and a second connecting leg 413 protruding upward from the upper end of the copper pillar body 411, copper Copper of column 41a The pillar body 411 is sandwiched between the main circuit board 11 and the expansion circuit board 12, and the first connecting leg 412 is plugged into the main circuit board 11 and the main circuit board 11 is electrically connected, and the second connecting component 413 is plugged into the expansion circuit board. 12 is electrically connected to the expansion board 12. In this embodiment, the electrical connector 14 can be directly mounted between the main circuit board 11 and the expansion circuit board 12, and has a simple structure, convenient assembly, and good heat dissipation effect. There are two pin headers 33, and the two pin headers 33 are oppositely mounted at a certain interval and are respectively mounted on the main circuit board 11 and the expansion circuit board 12.

It should be noted that the number of the expansion boards 12 of the present invention is not limited to one, and more than two expansion boards can be set according to actual needs, and the other expansion boards can be fixed to the first expansion by another fixing seat. The circuit board 12 can also be fixed to other places on the main circuit board 11. The invention uses the fixed seat to install the expansion circuit board so that when the plurality of expansion circuit boards are superimposed, the product structure is still stable, and the circuit board is not caused by gravity. Deformation. Wherein, when the second expansion circuit board is superposed on the first expansion circuit board through the fixing base, the electrical connection member directly penetrates the main circuit board, the first expansion circuit board and the second expansion circuit board and respectively respectively The electrical connection terminal of the circuit board, the electrical connection terminal of the first expansion circuit board and the electrical connection terminal of the second expansion circuit board are electrically connected, and no new electrical connection is required.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the equivalent changes made by the scope of the present invention remain within the scope of the present invention.

100‧‧‧PCB multi-output connection structure

11‧‧‧ main board

12‧‧‧Expansion board

13‧‧‧ Fixed seat

14‧‧‧Electrical connectors

151‧‧‧First plug

152‧‧‧Second plug

31‧‧‧Fixed blocks

312‧‧‧ Ventilation holes

32‧‧‧Lock Firmware

41‧‧‧ copper needle

42‧‧‧ pin header

Claims (13)

A multi-output connection structure of a circuit board includes a main circuit board, an expansion circuit board, a fixing base and an electrical connector. The main circuit board is provided with a first electrical connection terminal, and the fixing base is fixedly mounted on the main circuit. On the circuit board, the expansion circuit board is fixedly mounted on the fixing base and is provided with a second electrical connection terminal, and one end of the electrical connector is plugged into the main circuit board and electrically connected to the first circuit board. The terminal is electrically connected, and the other end is plugged into the expansion circuit board and electrically connected to the second electrical connection terminal of the expansion circuit board. The multi-output connection structure of the circuit board of claim 1, wherein the fixing base comprises a fixing block and a locking component, the fixing block is disposed on the main circuit board, and the expansion circuit board is supported by the fixing block. The fixing block is mounted on the main circuit board by the locking component, and the expansion circuit board is mounted on the fixing block by the locking component. The multi-output connection structure of the circuit board of claim 2, wherein the main body of the expansion circuit board is supported on the fixing block, the electrical connector is mounted on the fixing block and one end of the electrical connector is plugged into the The main circuit board is electrically connected to the first electrical connection terminal of the main circuit board, and the other end is plugged to the expansion circuit board and electrically connected to the second electrical connection terminal of the expansion circuit board. The multi-output connection structure of the circuit board of claim 3, wherein the side of the fixing block is provided with at least one through hole. The multi-output connection structure of the circuit board of claim 3, wherein the fixing block is provided with a socket through which the electrical connector passes, and the electrical connector is installed in the socket, and One end is plugged into the main circuit board and electrically connected to the main circuit board, and the other end is plugged into the expansion circuit board and electrically connected to the expansion circuit board. The multi-output connection structure of the circuit board according to claim 5, wherein the first power connection end And the second power receiving terminal includes a power terminal for transmitting the power source and a signal terminal for transmitting the signal, the electrical connector comprising a copper pin electrically connected to the power terminal and a row of pins electrically connected to the signal terminal, The jack includes a copper pin jack for the copper to pass through and a row of pin jacks for the row to be passed through, the copper pin and the pin header respectively corresponding to the copper pin jack and the pin header One end of the jack is plugged into the main circuit board and electrically connected to the main circuit board, and the other end is plugged into the expansion circuit board and electrically connected to the expansion circuit board. The multi-output connection structure of the circuit board of claim 2, wherein the fixing block has two and is disposed on the main circuit board at a certain interval, and two ends of the expansion circuit board are respectively supported by the two fixed blocks. The electrical connector is located between the two fixed blocks. The circuit board multi-output connection structure according to claim 7, wherein the first power connection terminal and the second power connection terminal comprise a power supply terminal for transmitting a power source and a signal terminal for transmitting a signal, the electrical connection member comprising a copper post electrically connected to the power terminal and a row of pins electrically connected to the signal terminal, the holder further comprising a row of needle holders mounted between the main circuit board and the expansion circuit board, and The pin header is provided with a pin jack for the row to be passed through, the row is correspondingly mounted in the pin jack, and one end is plugged to the main circuit board and is connected to the main circuit board Electrically connected, the other end is plugged into the expansion circuit board and electrically connected to the expansion circuit board; the copper post includes a piece of copper pillar body, a first protruding downward from the lower end of the copper pillar body a connecting leg, a second connecting leg protruding upwardly from the upper end of the copper column body, the copper post body of the copper post is clamped between the main circuit board and the expansion circuit board, and the first connecting leg is inserted On the main circuit board and the main circuit board is electrically connected, the second The connector is plugged into the expansion board and electrically connected to the expansion board. The multi-output connection structure of the circuit board according to claim 2, wherein the fixing block is opened a through hole is disposed, the main circuit board and the expansion circuit board are respectively provided with a first mounting hole and a second mounting hole corresponding to the screw hole, and the locking member includes a threaded engagement with the screw hole and an end thereof a sleeve having an auxiliary mounting hole and a screw threadedly engaged with the auxiliary mounting hole, the sleeve being sequentially mounted on the first mounting hole, the screw hole and the second mounting hole of the expansion circuit board on the main circuit board, The screw passes through the second mounting hole and is threadedly mounted in the auxiliary mounting hole to fix the main circuit board, the expansion circuit board and the fixing block together. The circuit board multi-output connection structure according to claim 1, wherein the substrate of the expansion circuit board is an aluminum substrate. The multi-output connection structure of the circuit board of claim 1, wherein a hole for the electrical connector is inserted through the fixing seat, and the electrical connector is installed in the socket, and One end is plugged into the main circuit board and electrically connected to the main circuit board, and the other end is plugged into the expansion circuit board and electrically connected to the expansion circuit board. The multi-output connection structure of the circuit board of claim 11, wherein the first electrical connection terminal and the second electrical connection terminal comprise a power supply terminal for transmitting a power source and a signal terminal for transmitting a signal, the electrical connection component comprising a copper pin electrically connected to the power terminal and a row of pins electrically connected to the signal terminal, the jack including a copper pin jack for the copper to pass through and a row for the row to pass through a pin jack, the copper pin and the pin header are respectively mounted in the copper pin jack and the pin jack, and one end is plugged into the main circuit board and electrically connected to the main circuit board, and the other end is plugged And on the expansion circuit board and electrically connected to the expansion circuit board. A multi-output power supply device includes: a casing; and a circuit board multi-output connection structure disposed in the casing, wherein the circuit board has multiple outputs The connection structure includes a main circuit board, an expansion circuit board, a fixing base and an electrical connector. The main circuit board is provided with a first electrical connection terminal, and the fixing base is fixedly mounted on the main circuit board. The circuit board is fixedly mounted on the fixing base and is provided with a second electrical connection terminal. One end of the electrical connector is plugged onto the main circuit board and electrically connected to the first electrical connection terminal of the main circuit board, and the other end is electrically connected. Plugged into the expansion circuit board and electrically connected to the second electrical connection terminal of the expansion circuit board, wherein the main circuit board is mounted with a power processing unit, and the output end of the power processing unit is connected to the first circuit board The first terminal is electrically connected to the first terminal, and the first terminal is inserted into a first plug, and the electrical terminal of the expansion board is inserted into a second plug to enable the first plug埠 and the second plug 埠 respectively output the power supply.