JPH069331U - Composite circuit board conductor - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the cost of a power circuit conductor by forming the power circuit conductor using a flat, square, or round conductor regardless of the punching die. [Structure] A conductive conductor 2 having a flat, square or round cross section is cut into a required length and bent as necessary. Then, the burring portion 9 formed in the seat portion of the terminal parts 3 to 7 is inserted into the through hole provided in the board 1 and is positioned and fixed to fix the terminal parts 3 to 7 formed in a U shape. The conductor 2 is press-fitted into the conductor joint to form a power circuit. Since the conductive member is configured as described above, the punching die for the power conductor is not necessary. Further, by arranging the flat conductor 2 in the vertical direction with respect to the substrate 1, it is possible to easily secure the mounting area of the electronic component mounted on the substrate 1, and it is advantageous for large current.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a conductor for a composite circuit board used in a power circuit, and more particularly, the present invention relates to a conductor for a composite circuit board capable of forming a power circuit conductor without using a punching die. is there.

[0002]

[Prior art]

 Conventionally, a circuit pattern for a power circuit conductor is punched out from a conductive metal plate, and the power circuit conductor is overlaid on the power circuit on the substrate and fixed by soldering or the like to form a power conductor. Therefore, a die for punching out the conductor is required for each substrate, making it difficult to produce a die with a short delivery time.

[0003]

[Problems to be solved by the device]

 As described above, the power circuit conductor is conventionally obtained by a punching die, but the punching die is very expensive, and moreover, the board is often manufactured in small lots of many types, and the punching die is manufactured for each board. Doing so placed a heavy burden on the conductor cost. Especially in the case of large-sized boards or boards manufactured in small quantities, amortization of dies greatly increased the conductor cost.

The present invention has been made in order to improve the above-mentioned drawbacks of the prior art, and a flat, square or round conductor is used to form a power circuit conductor without using a die for punching the conductor. An object of the present invention is to provide a composite circuit board conductor that can reduce the cost of the power circuit conductor by forming the conductor.

[0005]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, in the invention of claim 1 of the present invention, the conductive conductors 2, 2 having a flat, square or round cross section cut into a required length and bent as required. 'And the conductors 2, 2', and terminal parts 3, 3 ', 4, 4', 5, 5 ', 6, 7 having a joint portion formed with a burring hole 8 on the bottom surface. And the burring portion 9 formed on the seat of the terminal component is inserted and positioned in the through hole 11 provided on the substrate 1, and the terminal component 3,3 ′, 4,4 ′, 5,5 ′ is provided. , 6, 7 are fixed to the board 1, and the conductors 2, 2'are joined to the conductor joints of the terminal parts 3, 3 ', 4, 4', 5, 5 ', 6, 7 for electric power. It is designed to form a circuit.

According to a second aspect of the present invention, the flat conductor 2 is arranged vertically with respect to the substrate 1 in the first aspect. According to a third aspect of the present invention, in the first or second aspect of the invention, the conductor joint portions of the terminal parts 3, 3 ', 4, 4', 5, 5 ', 6, 7 are U-shaped. Alternatively, it is formed in a slit shape, and the conductors 2 and 2'are pressed into the U-shape or the slit-like portions to form the terminal parts 3,3 ', 4,4', 5,5 ', 6,7 and the conductor. 2, 2'is connected.

[0007]

[Action]

 According to the first aspect of the present invention, the burring portion 9 formed on the seat portion of the terminal component is inserted and positioned in the through hole 11 provided in the substrate 1 to form the terminal component 3,3 ', 4. 4 ', 5, 5', 6, 7 are fixed to the substrate 1, and the conductors 2, 2 are attached to the conductor joints of the terminal parts 3, 3 ', 4, 4', 5, 5 ', 6, 7. 'Is connected to form the power circuit, so there is no need for a punching die for the power conductor, the conductive material can be effectively used, and the cost of the conductor can be reduced. It will be possible. Further, since the terminal parts can be shared, it can be used as a standard part for other types of boards.

According to the second aspect of the present invention, since the flat conductor 2 is arranged in the vertical direction with respect to the substrate 1, the substrate 1 can be downsized and the mounting area of electronic components mounted on the substrate 1 can be easily achieved. Since it is possible to secure the connection surface and the connection surface between the conductor 2 and the terminal parts 3, 3 ′, 4, 4 ′, 5, 5 ′, 6, 7 can be made large, it is advantageous for large currents. Further, since the vertical conductor is easily bent, a curved conductor can be easily formed.

According to the third aspect of the present invention, the conductor connecting portions of the terminal parts 3, 3 ', 4, 4', 5, 5 ', 6, 7 are formed in a U shape or a slit shape, By pressing the conductors 2, 2'into the U-shaped or slit-shaped portions, the terminal parts 3, 3 ', 4, 4', 5, 5 ', 6, 7 and the conductors 2, 2'are connected. Therefore, the conductors 2, 2'and the terminal parts 3, 3 ', 4, 4', 5, 5, 5 ', 6, 7 can be easily joined without using soldering, rivets or the like.

[0010]

【Example】

 1 and 2 are views showing a first embodiment of the present invention, and FIG. 1 (a) is a view showing a state in which flat, square or round conductors press-fitted into terminal parts are arranged on a substrate, FIG. 1B is a diagram showing terminal components of a power circuit conductor. 2 (a) is a view showing a state where the conductor is press-fitted into the terminal parts, FIG. 2 (b) is a state where the conductor and the terminal parts are fixed to the base plate, and FIG. The figure shows the state of attachment to the terminal component when using a round or square conductor.

In FIGS. 1 and 2, reference numeral 1 is a substrate provided with through holes 11 for mounting conductor terminal parts, 2 is a conductor, and conductor 2 is a flat, rectangular or round shape formed of a conductive member. It consists of a profile cut to the required length. 3 to 7 are terminal parts, 3 and 4 are terminal parts for terminals, 5 and 6 are terminal parts for intermediate terminals, 7 is a terminal part for branching or bending, and the terminal parts 3 to 7 and the conductor 2 are shown. The joint of is bent into a U shape. Further, the terminal parts 3 to 7 are provided with a burring 9 on the lower surface of the bottom of the hole 8 as shown in FIG.

In order to assemble the conductor 2 and the terminals 3 to 7, the flat, rectangular or round conductor 2 is cut or bent into a required length and shape, and then a flat shape having the required length and shape is formed. The conductor 2 is pressed into the conductor joints of the terminals 3 to 7 to obtain a conductor assembly as shown in FIG. 2 (a). Further, as shown in FIG. 2B, the terminals 3 to 7 are attached to the board 1 by inserting the burring 9 provided on the bottom lower surface of the holes 8 of the terminal parts 3 to 7 into the through holes 11 for the terminals of the board 1. After inserting and positioning in, it is fixed with solder 12, and the terminal is fixed to the mounting substrate 1 with screws 13 or the like. Since the terminal parts 3 to 7 are provided with the burring 9, even if the terminals are attached by the screws 13 as shown in FIG. 2B, the tightening stress does not directly act on the substrate 1.

When the conductor 2 is round or square, a flat conductor is used by attaching the round or square conductor 2 ′ to the terminal parts 3 ′ as shown in FIG. 2 (c). The conductor assembly can be formed as before. FIGS. 3 and 4 are views showing a second embodiment of the present invention. In this embodiment, a flat, square or round conductor can be press-fitted from above the substrate 1 in an embodiment. ing.

3 and 4, FIG. 3 (a) is a view showing a state in which flat conductors press-fitted into terminal parts are arranged on a substrate, and FIG. 3 (b) shows terminal parts of power circuit conductors. FIG. Further, FIG. 4A is a diagram showing a state where the conductor is press-fitted into the terminal parts, FIG. 4B is a state where the conductor and the terminal parts are fixed to the substrate, and FIG. 4C is a conductor. Shows the state of attachment to the terminal component when a round or square shape is used.

In FIGS. 3 and 4, the same members as those in the first embodiment are designated by the same reference numerals, 1 is a substrate provided with through holes 11 for mounting conductor terminal parts, 2 Indicates a conductor, and the conductor 2 is formed by cutting a flat, square or round material formed of a conductive member into a desired length. 3 to 7 are terminal parts, 3 and 4 are terminal parts for terminals, 5 and 6 are terminal parts for intermediate terminals, 7 is a terminal part for branching or bending, and the terminal parts 3 to 7 and the conductor 2 are shown. The joint of is bent into a U shape. Further, the terminal parts 3 to 7 are provided with a burring 9 on the lower surface of the bottom of the hole 8 as shown in FIG. 3 (b).

In order to assemble the conductor 2 and the terminals 3 to 7, the flat, rectangular or round conductor 2 is cut into a required length, and when the conductor 2 has a bend, it is formed into a shape suitable for a bend circuit. Bend. Then, the flat, square or round conductor 2 having a required length is press-fitted into the conductor joint 10 of the terminals 3 to 7 to obtain a conductor assembly as shown in FIG. 4 (a).

As shown in FIG. 4B, the terminals 3 to 7 are joined to the board 1 by inserting the burring 9 provided on the bottom surface of the bottom of the hole 8 of the terminal part 3 or 7 into the through hole for the terminal of the board 1. Insert into the hole 11 and position it, fix it with solder 12, and attach terminals with screws 13 etc. and fix it to the board 1. When the conductor 2 is round or square, the round or square conductor 2'is attached to the terminal parts 3'as shown in Fig. 4 (c), which is similar to the case of using the flat conductor. A conductor assembly can be formed on the.

It is also possible to arrange the vertical conductors in close contact with each other by sandwiching the insulating plate 14 between a plurality of parallel vertical conductors as shown in FIG. 3 (a). 5 and 6 are views showing a third embodiment of the present invention. In this embodiment, in the second embodiment, the bent parts of the terminal parts 3 to 7 are spring-shaped. An example is shown.

5 and 6, FIG. 5 (a) is a view showing a state in which the flat conductors press-fitted into the terminal parts are arranged on the board, and FIG. 5 (b) shows the terminal parts of the power circuit conductor. FIG. Further, FIG. 6A is a diagram showing a state in which the conductor is press-fitted into the terminal parts, and FIG. 6B shows a state in which the conductor and the terminal parts are fixed to the board. In the present embodiment, the same components as those shown in the first and second embodiments are designated by the same reference numerals, and the method of assembling the conductor and the method of attaching the conductor to the substrate 1 are the same as those in the second embodiment. Similar to the example. In this embodiment, since the bent portions of the terminal parts 3 to 7 have the shape 15 having the spring property, the contact between the conductor 2 and the terminals 3 to 7 can be ensured. Further, as in the second embodiment, by sandwiching the insulating plate 14 between a plurality of vertical conductors arranged in parallel, the vertical conductors can be closely arranged. .

FIGS. 7 and 8 are views showing a fourth embodiment of the present invention. In this embodiment, the conductors provided on the terminal parts 3 to 6 in the second and third embodiments. 2 shows an example in which the pressure contact portion with 2 is slit into a U shape. 7 and 8, FIG. 7 (a) is a diagram showing a state where flat conductors press-fitted into terminal components are arranged on a substrate, and FIG. 7 (b) is a diagram showing terminal components of a power circuit conductor. is there . Further, FIG. 8A is a view showing a state where the conductor is press-fitted into the terminal parts, FIG. 8B is a state where the conductor and the terminal parts are fixed to the substrate, and FIG. 8C is a conductor. Shows the state of attachment to the terminal component when a round or square shape is used.

In this embodiment, the method of assembling the conductor and the method of attaching the conductor to the substrate 1 are the same as those in the first, second and third embodiments, and the conductor 2 is inserted into the slits 16 of the terminal parts 3 to 6. By press fitting, the conductor assembly shown in FIG. 8A is obtained. Further, the pressure contact portion between the slit 16 of the terminal parts 3 to 6 and the conductor 2 may be reinforced by solder or the like.

Further, as in the second and third embodiments, as shown in FIG. 7A, by sandwiching the insulating plate 14 between a plurality of vertical conductors arranged in parallel, the vertical conductors are brought into close contact with each other. It can also be placed. FIGS. 9 and 10 are views showing a fifth embodiment of the present invention. In this embodiment, as in the second, third and fourth embodiments, a flat conductor is arranged vertically (with respect to the substrate 1). In the present embodiment, the conductors are connected to the terminal parts by riveting, soldering, brazing or welding.

9 and 10, FIG. 9 (a) is a view showing a state in which the flat conductors connected to the terminal parts are arranged on the substrate, and FIG. 9 (b) shows the terminal parts of the power circuit conductor. FIG. 9 (c) is a view showing a state in which a plurality of flat conductors are attached to a terminal component by superposing them. 10 (a) is a diagram showing a state where the conductor is connected to the terminal parts, FIG. 10 (b) is a diagram showing a state where the conductor and the terminal part are fixed to the substrate, and FIG. 10 (c) is a close contact. It is a figure which shows the shape of the insulating plate inserted between the vertically arranged conductors.

In FIGS. 9 and 10, reference numeral 1 is a substrate provided with through holes 11 for mounting conductor terminal parts, 2 is a conductor, and conductor 2 is one formed of a conductive member. Consists of a plurality of flat-shaped members cut to the required length. 3 to 6 are terminal parts, 3 and 4 are terminal parts for terminals, 5 is a terminal part used for joining at a certain angle rather than a right angle to a conductor, and 6 is a terminal part for intermediate terminals. The terminal parts 3 to 6 are provided with rivet holes 17 for connecting to the conductor 2. Further, as shown in FIG. 9B, the terminal parts 3 to 6 are provided with a burring 9 on the lower surface of the bottom of the hole 8. Further, the insulating plate 14 'shown in FIG. 10C is made of a resin molded product, and the insulating plate 14' is provided with a clip 14'a for fixing a conductor as shown in the same figure.

To assemble the conductor 2 and the terminals 3 to 6, a rivet hole 17 is provided at a portion of the flat conductor 2 having a required length to be joined to the terminals 3 to 6, and the conductor 2 is bent. Is bent into a shape suitable for a curved circuit. Then, as shown in FIG. 10 (a), the conductor 2 and the terminals 3 to 6 are joined by rivets 18 or soldering, brazing or welding at the vertical joint surface to obtain the assembly shown in FIG. 10 (a). It

The fixing of the conductor 2 and the like to the substrate 1 is the same as in the first to fourth embodiments described above. When the conductor 2 is a plurality of sheets, the conductor 2 is attached to the terminal parts as shown in FIG. 9 (c). As shown in the second, third, and fourth embodiments, by sandwiching the insulating plate 14 between a plurality of parallel vertical conductors, the vertical conductors can be formed. Can be placed close together. Also, the insulating plate 14 'can be fixed to the conductor 2 by the clip 14'a by sandwiching it between the insulating plate 14' conductors shown in FIG. 10 (c). The insulating plate 14 'shown in FIG. 10C can also be used as the insulating plate in the second, third, and fourth embodiments shown above.

FIGS. 11 and 12 are views showing a sixth embodiment of the present invention. In this embodiment, a flat conductor and terminals are fixed by soldering or the like. FIG. 11A is a diagram showing a state in which a flat conductor joined to terminal components is arranged on a substrate, and FIG. 11B is a diagram showing terminal components of a power circuit conductor. Further, FIG. 12A is a view showing a state where the conductor is joined to the terminal parts, and FIG. 12B shows a state where the conductor and the terminal part are fixed to the substrate.

In FIGS. 11 and 12, 1 is a board provided with through holes 11 for mounting conductor terminal parts, 2 is a conductor, and 3 and 4 are terminal parts. As shown in FIG. 11B, a burring 9 is provided on the lower surface of the bottom of the hole 8, and the terminal component 4 is provided with a screw hole 19 for screwing an electronic component or the like. To assemble the conductor 2 and the terminals 3 and 4, holes are formed in the flat conductor 2 cut into a required length in accordance with the through holes 11 of the substrate 1. In addition, the burring 9 provided on the lower surface of the bottom of the hole 8 of the terminal component 3, 4 is inserted and positioned in the through hole 11 for the terminal of the substrate 1, and the conductor 2 is superposed on the burring 9 and the solder 12, 12 ', etc. Then, the conductor 2 and the terminals 3 and 4 are fastened together with the screw 13 or the like and fixed to the substrate 1.

Further, in the branch circuit, as shown in FIG. 12A, the conductor at the joint portion of the branch portion is step-bent by the thickness of the conductor and joined by the solder 12. FIG. 13 and FIG. 14 are views showing a seventh embodiment of the present invention. In this embodiment, since the flat conductor is difficult to bend, it is used only for a straight circuit, and for a curved circuit, it is easy to bend. An example is shown in which various rectangular or round materials are used and terminals are fixed with solder or the like.

FIG. 13A is a diagram showing a state in which a conductor joined to terminal parts is arranged on a substrate, and FIG. 13B is a diagram showing terminal parts of a power circuit conductor. Further, FIG. 14 (a) is a diagram showing a state in which a conductor is joined to terminal parts and assembled, FIG. 14 (b) is a diagram showing a state in which a conductor and terminal parts are fixed to a substrate, and FIG. 14 (c). FIG. 4 is a view showing a state in which a slit is provided in terminals and a conductor is inserted and fixed with solder.

In FIGS. 13 and 14, reference numeral 1 is a substrate provided with through holes 11 for mounting terminal parts of conductors, and 2 ′ and 2 are conductors made of square members (round members) and flat members, respectively. The conductors 2 ', 2 are provided with rivet holes 17' for joining terminal parts. 4 to 7 are terminal parts, terminal parts 4, 4 ', 6 are for terminals, terminal parts 5, 5' are for intermediate terminals, and terminal parts 7 are for branching. As shown in FIG. 13 (b), the terminal parts 4 to 7 are provided with a burring 9 on the lower surface of the bottom of the hole 8 and a rivet hole 17 for joining the conductors 2 and 2 '. Countersinks 20 are provided on the surfaces to be joined with the conductors 2 and 3.

In order to assemble the conductors 2 and 2'and the terminals 3 and 4, the rectangular conductor (round conductor) 2'cut to the required length is cut to the required length and adapted to the circuit pattern. The flat conductor 2 is cut into a desired length while being bent into a desired shape. Then, the conductors 2 and 2'are joined to the terminal parts 4 to 7 by rivets 18 (see FIG. 14 (a)) or by soldering, brazing, welding or the like, as shown in FIG. 14 (a). Obtain a conductor assembly.

The conductors 2 ′, 2 and the like are fixed to the substrate 1 by inserting and positioning the burring 9 provided on the lower surface of the bottom of the hole 8 of the terminal component 4 to 7 into the through hole 11 for the terminal of the substrate 1. Then, the conductor 2 is overlaid thereon and fixed by the solder 12, and the terminal parts 4 to 7 are fastened together with the screw 13 or the like and fixed to the substrate 1. Further, as shown in FIG. 14 (c), slits 21 may be provided in the conductor 2'to join the terminal parts 4 to 7.

[0034]

[Effect of device]

 As described above, according to the present invention, the burring portion formed on the seat portion of the terminal component is inserted and positioned in the through hole provided in the substrate to fix the terminal component to the substrate, and the terminal component is fixed. Since the conductor is joined to the conductor joining portion of (1) to form the power circuit, the following effects can be obtained. Since the power conductor can be obtained by cutting a flat, rectangular or round conductor to the required length, there is no need for a punching die, and the conductive material can be effectively used. It is possible to go down. Since the terminal parts can be shared, it can be used as a standard part for other types of boards. A large current can be handled by using a flat conductor and stacking multiple sheets. By using a vertical conductor, it is possible to easily reduce the size of the board and secure the mounting area of the electronic components to be mounted on the board. It is advantageous for handling. Further, since the vertical conductor is easily bent, a curved conductor can be easily formed.

[Brief description of drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention.

FIG. 2 is a view (continuation) showing a first embodiment of the present invention.

FIG. 3 is a diagram showing a second embodiment of the present invention.

FIG. 4 is a view (continuation) showing a second embodiment of the present invention.

FIG. 5 is a diagram showing a third embodiment of the present invention.

FIG. 6 is a view (continuation) showing a third embodiment of the present invention.

FIG. 7 is a view showing a fourth embodiment of the present invention.

FIG. 8 is a view (continuation) showing a fourth embodiment of the present invention.

FIG. 9 is a view showing a fifth embodiment of the present invention.

FIG. 10 is a view (continuation) showing a fifth embodiment of the present invention.

FIG. 11 is a view showing a sixth embodiment of the present invention.

FIG. 12 is a view (continuation) showing a sixth embodiment of the present invention.

FIG. 13 is a view showing a seventh embodiment of the present invention.

FIG. 14 is a view (continuation) showing a seventh embodiment of the present invention.

[Explanation of symbols]

 1 board 2, 2'conductor 3, 3 ', 4, 4', 5, 5 ', 6, 7 terminal parts 8 hole 9 burring part 10 joint part 11 through hole 12 solder fixing part 13 terminal screw 14 insulating plate 15 Spring Shaped Part 16, 21 Slit 17 Hole for Rivets 18 Rivets 19 Screw for Fixing Electronic Parts 20 Countersink

Claims (3)

[Scope of utility model registration request] 1. A conductive conductor (2,2 ') having a flat, rectangular or round cross section, which is cut to a required length and bent if necessary, and a conductor (2,2'). The burring hole on the bottom and the joint
Terminal parts (3,3 ', 4,4', with a seat forming (8)
5,5 ', 6,7) and insert and position the burring part (9) formed in the seat of terminal parts into the through hole (11) provided in the board (1) While fixing the types (3,3 ', 4,4', 5,5 ', 6,7) to the board (1), terminal parts (3,3', 4,4 ', 5,5', A conductor for a composite circuit board, characterized in that the conductor (2, 2 ') is joined to the conductor joint of (6, 7) to form a power circuit. 2. The conductor for a composite circuit board according to claim 1, wherein the flat conductor (2) is arranged in a direction perpendicular to the substrate (1). 3. A conductor connecting portion of terminal parts (3,3 ', 4,4', 5,5 ', 6,7) is formed into a U shape or a slit shape, and a conductor is formed.
Terminal parts (3,3 ', 4,4', 5,5 ', 6,7) and conductors (2,2') by press-fitting (2,2 ') into U-shaped or slit-shaped part The conductor for composite circuit board according to claim 1 or 2, characterized in that