JP3829606B2 - Printed board - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a printed circuit board used for an electronic / electric circuit for automobiles.
[0002]
[Prior art]
In FIG. 4, reference numeral 1 denotes a board body. Here, a case where two types of relays 2 and 3 having different specifications such as capacity and application are mounted on the board body 1 is illustrated.
[0003]
The relays 2 and 3 are provided with lead terminals 2a, 3a, and the board body 1 is provided with terminal holes 4 ..., 5 ... in two square sections A and B on which the relays 2 and 3 are mounted, respectively. The lead terminals 2a... 3a... Are inserted into the terminal holes 4.
[0004]
[Problems to be solved by the invention]
In general, a relay is designed by selecting a contact material according to the specifications of its capacity, application, etc., and simply because it has a similar external shape, it cannot be replaced with another relay.
[0005]
However, when the relays 2 and 3 have the same color, shape, size and the like and cannot be distinguished from each other in appearance, there is a possibility that the mounting positions of the relays 2 and 3 may be mistaken during manual mounting. Further, even when mounting on a machine, there is a risk of making a mistake when setting on a mounting machine.
[0006]
When this mounting error occurs, if the coil resistances of both relays 2 and 3 are different, they can be electrically detected in the inspection process, but if the coil resistance is the same and the specifications (for example, contact materials) are different, the inspection process Detection is impossible and it is put on the market in the wrong state, and the relays 2 and 3 may not be suitable for the load and the life may be shortened.
[0007]
Although it is conceivable that the overall color and shape of both relays 2 and 3 can be differentiated so that they can be identified by the external appearance of the entire relay, this increases the manufacturing cost because the material and type must be separated. It will become .
[0008]
Its invention in this, there is provided without incurring large cost increase, the printed circuit board capable of preventing erroneous mounting with an explicit mounting position of the plurality of relays.
[0009]
[Means for Solving the Problems]
The invention according to claim 1 is a printed circuit board in which a plurality of relays having different specifications are mounted on a printed circuit board body to which printed wiring is applied, and the board body is provided with a section indicating a mounting position for each of the relays. identification mark for displaying the respective relay should be mounted in any section of the substrate body, the relay及 beauty the compartment, and in which is provided in association with each relay and the section.
[0010]
According to a second aspect of the present invention, in the configuration of the first aspect , the identification mark in the section of the substrate body is printed by screen printing .
[0011]
As described above, the identification mark for displaying whether to implement the re les over to any partition on the substrate main body in a compartment of the relay and the substrate main body, and, since the provided in association with the relay and the section Incorrect mounting can be prevented by mounting the relay according to the identification mark.
[0012]
In addition, since it is only necessary to attach an identification mark instead of identifying the whole part by changing the color and shape of the entire part, the cost for that can be minimized.
[0013]
In this case, if the identification mark in the section of the substrate body is applied by screen printing as in the invention of claim 2 , the mark can be applied during the manufacturing process of the substrate body, so that the cost can be further reduced.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
In the following embodiments, two types of relays 12 and 13 are attached to two sections C and D on the substrate body 11 by lead terminals 12a... 13a... And terminal holes 14. The case is illustrated.
[0015]
In each embodiment, an identification mark for displaying in which section on the board body 11 the relays 12 and 13 should be mounted is printed on the board body 11 and both relays 12 and 13 by screen printing (for example, silkscreen printing). Is provided by.
[0016]
That is, in the first embodiment shown in FIG. 1, the upper surface of the first relay 12, the first compartment C of the relay 12 is mounted, the same identification mark 16, 17 of the horizontally long rectangle are respectively provided, first the second relay 13 and a second compartment D nothing is provided.
[0017]
This is because the first relay 12 should be installed in the first section C as having the marks 16 and 17 and the second relay 13 should be installed in the second section D as no marks. There is no risk of mis-installation.
[0018]
On the other hand, in the second embodiment shown in FIG. 2, identification marks 18 and 19 marked with “◯” are marked on the first relay 12 and the first section C, respectively, and “□” marked on the second relay 13 and the second section D, respectively. Identification marks 20 and 21 are given.
[0019]
In the third embodiment shown in FIG. 3, since the first relay 12 and the first section C are located on the left side, the identification mark 22 of the initial letter “L” of the English letter “LEFT” on the “left side”, 23, and the second relay 13 and the second section D are provided with identification marks 24 and 25 of the first letter “R” of the “right” English letter “RIGHT”.
[0020]
In this way, if the corresponding identification marks are provided to both the relays 12 and 13 and the sections C 1 and D 2 of the board body 11 , the relay installation position can be displayed more clearly not only by the presence or absence of the marks but also by the difference in the marks. The effect of preventing erroneous mounting is high.
[0021]
In the first and second embodiments, the identification marks 16, 17, 18, and 19 may be filled with a color that can be distinguished from the ground color of the relay, or the mark may be surrounded by a line.
[0022]
Other Embodiments (1) In the above embodiment, the same identification mark is provided on the relay side and the board body side. For example, when the product number is displayed on the relay side, the lower two digits are displayed on the board body side. Different marks may be provided on the relay side and the substrate body side, such as by assigning numbers.
[0023]
(2) As an identification mark, one surface (for example, the upper surface) of both relays 12 and 13 and the entire sections C and D may be colored.
[0024]
(3) As a means for applying an identification mark to the substrate body 11 and the relays 12 and 13, a printing method other than the screen printing method may be used, an adhesive tape may be attached, or a thin plate may be adhered.
[0025]
(4) In the above-described embodiment exemplifies a case of implementing the two relays 12 and 13 on the substrate main body 11, but the present invention is carried out as above Symbol embodiment also if implementing three or more relays be able to.
[0026]
【The invention's effect】
When according to the invention as described above, provided with a compartment illustrating a mounting position of each relay on the substrate main body, in a compartment of the relay and the substrate main body, and an identification mark is provided in correspondence with the compartment and the relay, the the identification mark, from the configured to identify whether to implement relays into which partition on the substrate main body, it is possible to prevent erroneous mounting of the relay.
[0027]
In addition, it is not necessary to identify the overall appearance of the relay by changing the color or shape of the relay .
[0028]
In this case, if the identification mark of the section of the substrate body is applied by screen printing as in the invention of claim 2 , the mark can be applied during the manufacturing process of the substrate body, so that the cost can be further reduced.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment of the present invention.
FIG. 2 is a perspective view showing a second embodiment of the present invention.
FIG. 3 is a perspective view showing a third embodiment of the present invention.
FIG. 4 is a perspective view showing a conventional example.
[Explanation of symbols]
11 substrate main body 14, 15 pin holes 12 and 13 relay <br/> 12a ..., 13a ... of the lead terminals 16,18,20,22,24 Relay side identification mark 17,19,21,23,25 substrate body Identification mark

Claims (2)

In a printed circuit board in which a plurality of relays having different specifications are mounted on a printed circuit board body, a section indicating a mounting position for each relay is provided on the board body, and each relay is connected to the board body. PCB identification mark for displaying whether to implement any partition, the relay及 beauty the compartment, and is characterized in that provided in association with the relay and the section. 2. The printed circuit board according to claim 1 , wherein the identification mark in the section of the substrate body is printed by screen printing .

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