JPH05299146A - Connecting structure for power supply unit - Google Patents

Abstract

PURPOSE:To improve production efficiency and surely connect a power supply bar to a power supply unit. CONSTITUTION:A terminal board 2 protruded from a power supply unit 1 is plugged into a connector 4 provided on a power supply bar 3, and the power supply unit 1 is connected to the power supply bar 3. The power supply unit 1 is provided with a terminal board holding connector 7 mounted on a printed board 6 supported in a case 5, the terminal board 2 inserted into the terminal board holding connector 7 at one end and protruded from the outside of the case 5 at the other end, and an insulator 9 freely inserted into a terminal inserting opening 8 opened on the case 5 and holding the vicinity of the other end section of the terminal board 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply unit connection structure.

[0002]

2. Description of the Related Art A power supply structure from a power supply unit is shown in FIG.
Shown in. In this conventional example, the power supply unit 1 has positive side and negative side terminal plates 2 and 2 arranged vertically, and is plug-in connected to a connector 4 of a power supply bar 3.

In the case 5 of the power supply unit 1, FIG.
As shown in (b), a pair of printed circuit boards 6, 6 are supported via a spacer 16 so as to face each other, and the conductive metal 1 is connected to the connection pad 6 a formed on each printed circuit board 6.
7 is soldered. Then, the terminal plate 2 is arranged so as to be sandwiched between the conductor metals 17, and is fixed to the conductor metal 17 and the printed circuit board 6 by the fixing screw 18.

[0004]

However, in the above-mentioned conventional example, the terminal board 2 is the printed circuit board 6 of the power supply unit 1.
Since the terminals are rigidly joined to each other and the fixing positions of the terminal connecting connectors 4 are determined in advance, in order to securely connect the upper and lower terminal plates 2 to the corresponding connectors 4, each terminal plate 2 is twisted. It is necessary to dispose them accurately in the same plane in the absence of such a condition, which has a drawback that the number of manufacturing steps is increased.

Further, when the positional accuracy of the two is insufficient, or when the terminal board 2 is inserted into the connector 4 at an angle, the contact resistance increases, causing a circuit malfunction and a power supply unit. There was a drawback that extra force was applied during the insertion / removal of 1 to cause damage, or the electric current was concentrated at a certain point, and there was a risk of burnout.

The present invention has been made to solve the above-mentioned drawbacks, and provides a power supply unit connection structure which has a high manufacturing efficiency and can securely connect a power supply bar and a power supply unit. The purpose is to do.

[0007]

According to the present invention, the above object is achieved by a connector provided with a power supply bar 3 and a terminal plate 2 protruding from a power supply unit 1 as shown in FIG. 1 corresponding to an embodiment. 4 is a connection structure of a power supply unit which is plugged in to connect the power supply unit 1 to the power supply bar 3, the power supply unit 1 being for holding a terminal board mounted on a printed circuit board 6 supported in a case 5. One end is inserted into the connector 7 and the terminal plate holding connector 7, and the other end is loosely fitted in the terminal plate 2 having the other end protruding from the outside of the case 5 and the terminal insertion opening 8 opened in the case 5, This is achieved by providing a power supply unit connection structure including an insulator 9 that holds the vicinity of the other end of the terminal board 2.

As shown in FIG. 2, the power supply unit 1 is joined to an elastic conductor 10 joined to a printed circuit board 6 supported in a case 5, and one end is fixed to the elastic conductor 10 and the other end is fixed. The terminal plate 2 protruding from the outside of the case 5,
It is also possible to have an insulator 9 which is loosely fitted in the terminal insertion opening 8 opened in the case 5 and holds the vicinity of the other end of the terminal plate 2.

Further, as shown in FIG. 4, the power supply unit 1 is formed by laminating and integrally forming a plurality of conductive thin films 11, 11, ... The terminal board 2 to be joined and the insulator 9 which is loosely fitted in the terminal insertion opening 8 opened in the case 5 and holds the vicinity of the other end portion of the terminal board 2 may be configured. ..

Further, one of the plurality of terminal boards 2 projecting from the power supply unit 1 is fixed to the case 5, or in the slot of the connector 4,
You may project the guide part 12 which guides the terminal board 2.

Further, as shown in FIG. 5, the power supply unit 1 has a composite terminal board 14 in which positive and negative electrode terminal boards 2 are laminated in the thickness direction with an insulator 9 in between, and the power supply unit 1 side. A pair of connector pieces 15 and 15 are arranged facing each other on each power supply bar 3 corresponding to each terminal plate 2 of
It may be configured to receive the composite terminal board 14 on the side of the power supply unit 1 therebetween.

[0012]

In the invention according to claim 1, the power supply unit 1
One end of the terminal plate 2 is inserted into the connector 4, and the other end is movably held with respect to the terminal insertion opening 8 of the case 5.
As a result, the terminal board 2 is movable, and an error with the connector 4 on the power supply bar 3 side can be absorbed.

In the second aspect of the invention, the terminal plate 2 is held by the elastic conductor 10 and is movable. Further, in the invention according to claim 3, the terminal plate 2 is formed by laminating and integrating a plurality of conductor thin films 11, 11 and exhibits flexibility as a whole.

Further, in the invention of claim 4, one of the plurality of terminal boards 2 is fixed to the inside of the case 5, and a guide for inserting the other terminal board 2 is provided. Used as.

In the invention according to claim 5, the guide portion 12 is provided so as to project in the slot of the connector 4,
The diagonal insertion of the terminal board 2 is surely prevented, and in the invention according to claim 6, the power supply unit 1 has the composite terminal board 14 and is received by the connector piece 15 fixed to each power supply bar 3 arranged in parallel. It As a result, twisting between the terminal boards 2 does not occur and the manufacturing accuracy is easily controlled.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. FIG. 1 shows a first embodiment of the present invention.
Shown in. In this embodiment, the power supply bar 3 has a plurality of connectors 4, 4, ...
The terminal plate 2 of the power supply unit 1 is received in the opening of the connector 4 and the two are connected. The terminal board 2
Is connected to the connector 4 with an appropriate contact pressure, a contact member 4a having a spring property is provided at the opening of the connector 4.

On the other hand, the power supply unit 1 has a case 5 having a terminal insertion opening 8 and a printed circuit board 6 fixed to the case 5 via a spacer 16. A joint pattern is formed at an end of the printed circuit board 6 so as to be electrically connected to a power supply circuit composed of electronic components (not shown), and terminals of the terminal board holding connector 7 are soldered to the joint pattern. In FIG. 1, 19 indicates a fixing screw for fixing the terminal board holding connector 7 to the printed board 6.

Reference numeral 2 denotes a terminal plate, which is mounted with one end inserted through the opening of the terminal plate holding connector 7 and the other end protruding outward from the terminal insertion opening 8 of the case 5. An insulator 9 is mounted near the other end of the terminal board 2. The insulator 9 has a groove 9 on the opposite wall surface.
It has a and is loosely fitted in the terminal insertion opening 8 of the case 5.

Therefore, in this embodiment, the terminal board 2
Is movable by an amount corresponding to the play between the insulator 9 and the terminal insertion opening 8 on the case 5 side, and a pitch due to an error in the installation position of the connector 4 with respect to the power supply bar 3 or the installation position of the power supply unit 1. Absorb the inconsistency of. The movable direction of the terminal board 2 is indicated by an arrow in FIG.

In this case, the guide portion 12 is attached to the connector.
By projecting, the terminal board 2 can be surely prevented from being obliquely inserted, and the reliability of the plug-in connection can be further improved. Further, the terminal board 2 is a positive electrode and a negative electrode.
If one of them is fixed to the case 5 as in the conventional example, the movable terminal plate 2 can be plugged in using the fixed terminal plate 2 as a guide. It becomes possible and the connection reliability can be further improved.

A second embodiment of the present invention is shown in FIG. In the following description of the embodiments, the same configurations as those of the above-described embodiments are designated by the same reference numerals and the description thereof will be omitted. The power supply unit 1 in this embodiment has a printed circuit board 6 housed in a case 5 and an elastic conductor 10 fixed to the tip of the printed circuit board 6, and the terminal board 2 is fixed to the elastic conductor 10. It is movable in the direction of the arrow.

Although FIG. 2 shows the case where the terminal board 2 is connected to two printed circuit boards 6, as shown in FIG. 3, the terminal board 2 is connected to one printed circuit board 6. Of course it is possible.

A third embodiment of the present invention is shown in FIG. In this embodiment, the terminal board 2 includes a plurality of conductive thin films 11,
11 ... Is laminated. In order to maintain the laminated state of the conductor thin film 11, the conductor thin film 11 is caulked and fixed at both ends and an intermediate portion by a cylindrical fixing member 19, and is inserted into an attachment hole 19a formed in the fixing member 19. Connected to the printed circuit board 6 by means of screws or the like.
Therefore, in this embodiment, the terminal plate 2 has the bent portion 2
When it is 0, it has flexibility, and twist, or the degree of freedom in the horizontal and vertical directions can be obtained.

A fourth embodiment of the present invention is shown in FIG. In this embodiment, the power supply unit 1 has a composite terminal board 14. As shown in FIG. 5B, the composite terminal board 14 is formed by laminating positive and negative electrode terminal boards 2 and 2 with a partition plate 13 made of an insulator interposed therebetween.

On the other hand, the power supply bars 3 are arranged side by side in the stacking direction of the positive and negative terminal plates 2 and each has a connector piece 15. The connector pieces 15 of each power supply bar 3 are arranged to face each other, and the composite terminal board 14 on the power supply unit 1 side as a whole.
To form the connector 4 for receiving the composite terminal board 14 and supply the positive and negative power supplies to the respective power supply bars 3.

[0026]

As is apparent from the above description, according to the power supply unit connection structure of the present invention, it is necessary to assemble the connector mounting pitch of the power supply bar and the mounting pitch of the terminal plate on the power supply unit side in advance with high accuracy. As a result, the workability of assembling is improved, and the accuracy control of parts is facilitated.

[Brief description of drawings]

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

FIG. 2 is a diagram showing a second embodiment of the present invention.

FIG. 3 is a diagram showing a modified example of FIG.

FIG. 4 is a diagram showing a third embodiment of the present invention.

5A and 5B are views showing a fourth embodiment of the present invention, where FIG. 5A is an overall perspective view and FIG. 5B is a sectional view of a composite terminal board.

FIG. 6 is a view showing a conventional example, (a) is an overall perspective view,
(B) is a sectional view.

[Explanation of symbols]

 1 Power Supply Unit 2 Terminal Board 3 Power Supply Bar 4 Connector 5 Case 6 Printed Circuit Board 7 Terminal Board Holding Connector 8 Terminal Insertion Opening 9 Insulator 10 Elastic Conductor 11 Conductor Thin Film 12 Guide Part 13 Partition Plate 14 Composite Terminal Board 15 Connector Piece

Claims (6)

[Claims] 1. A terminal plate projecting from a power supply unit (1)
A connection structure of a power supply unit in which (2) is plug-in connected to a connector (4) provided on the power supply bar (3) and the power supply unit (1) is connected to the power supply bar (3). 1) is a terminal board holding connector (7) mounted on a printed circuit board (6) supported in a case (5), and one end is inserted into the terminal board holding connector (7) and the other end is The terminal plate (2) protruding from the outside of the case (5) and the terminal insertion opening (8) opened in the case (5) are loosely fitted to each other, and the vicinity of the other end of the terminal plate (2) is Retaining Insulator (9)
A power supply unit connection structure comprising: 2. A terminal plate projecting from a power supply unit (1).
A connection structure of a power supply unit in which (2) is plug-in connected to a connector (4) provided on the power supply bar (3) and the power supply unit (1) is connected to the power supply bar (3). 1) is an elastic conductor (10) joined to a printed circuit board (6) supported in a case (5), one end of which is fixed to the elastic conductor (10) and the other end of which is a case
(5) The terminal plate (2) protruding from the outside and the terminal insertion opening (8) opened in the case (5) are loosely fitted to hold the vicinity of the other end of the terminal plate (2). Insulator
(9) A power supply unit connection structure comprising: 3. A terminal board projecting from a power supply unit (1).
A connection structure of a power supply unit in which (2) is plug-in connected to a connector (4) provided on the power supply bar (3) and the power supply unit (1) is connected to the power supply bar (3). 1) is formed by laminating and integrating a plurality of conductor thin films (11),
The terminal plate (2) having one end joined to the printed circuit board (6) supported in the case (5) and the terminal insertion opening (8) opened in the case (5) are loosely fitted to each other, and Insulator holding near the other end of plate (2)
(9) A power supply unit connection structure comprising: 4. The terminal plate (2) of the plurality of terminal plates (2) protruding from the power supply unit (1) is fixed to the case (5). Or the connection structure of the power supply unit described in 3. 5. The connector (4) is provided with a guide portion (12) projectingly guiding the terminal plate (2).
Alternatively, the connection structure of the power supply unit described in 4. 6. A terminal plate projecting from a power supply unit (1)
A connection structure of a power supply unit in which (2) is plug-in connected to a connector (4) provided on the power supply bar (3) and the power supply unit (1) is connected to the power supply bar (3). 1) is a partition plate (13) made of an insulator
A composite terminal board (14) in which positive and negative electrode terminal boards (2, 2) are laminated in the thickness direction through the respective terminals, and each power supply corresponding to each terminal board (2) on the side of the power supply unit (1) A connection structure of a power supply unit in which a pair of connector pieces (15, 15) are arranged opposite to each other on the bar (3) and the composite terminal board (14) on the power supply unit (1) side is received between the connector pieces (15).