JPH0561579U - Printed circuit board for manifold solenoid valve - Google Patents

Abstract

(57) [Abstract] [Purpose] In a printed circuit board for a manifold solenoid valve, the number of wirings and the number of wiring steps are reduced to improve reliability, and the wiring space is reduced to effectively utilize the space. In a printed circuit board for a manifold solenoid valve, first and second common signal lines 5 and 6 and a control signal line 7 are provided in a solenoid circuit 4 to be printed, and the first and second common signals are provided. Through holes 5c and 6c are formed as terminals of the lines 5 and 6 and the control signal line 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a printed circuit board for a manifold solenoid valve, and more particularly to a technique effective when applied to a printed circuit board for a manifold solenoid valve provided in, for example, a stacking manifold block.

[0002]

[Prior Art]

 As a printed circuit board for this type of manifold solenoid valve, there is, for example, the one shown below.

That is, the printed circuit board for the manifold solenoid valve is provided in the stacking manifold block and is provided with a solenoid circuit for surge suppression, and one common signal line and one control signal line are provided in this solenoid circuit. Each has a structure.

[0004]

[Problems to be solved by the device]

 However, in the above-mentioned conventional printed circuit board for manifold solenoid valves, one common signal line and one control signal line are provided in the solenoid circuit, and one common signal line and one control signal line are provided for each stacking manifold block. Therefore, there is a problem that the number of wirings and the number of wiring man-hours are increased and the reliability is lowered.

An object of the present invention is to provide a printed circuit board for a manifold solenoid valve, which can reduce the number of wirings and the number of wiring man-hours and improve the reliability.

Another object of the present invention is to provide a printed circuit board for a manifold solenoid valve that can reduce wiring space and effectively utilize the space.

The above and other objects and novel features of the present invention will be apparent from the description of this specification and the accompanying drawings.

[0008]

[Means for Solving the Problems]

 A printed circuit board for a manifold solenoid valve according to the present invention is provided with a first and second common signal line and a control signal line in a solenoid circuit to be printed, and the first and second common signal lines and This is a structure in which terminals for control signal lines are formed.

[0009]

[Action]

 According to the printed circuit board for a manifold solenoid valve of the present invention, first and second common signal lines and control signal lines are provided in a solenoid circuit to be printed, and the first and second common signal lines and control are provided. Since the signal line terminals are formed, it is not necessary to draw out the common signal line for each stacking manifold block or solenoid valve.

Therefore, the number of wirings and the number of wiring steps can be reduced, and the reliability can be improved.

As a result, the wiring space can be reduced and the space can be effectively used.

[0012]

【Example】

 1 is a partial cross-sectional view showing a stacking manifold block having a printed circuit board for a manifold solenoid valve according to an embodiment of the present invention, and FIG. 2 is a side view showing details of a printed circuit board for a manifold solenoid valve shown in FIG. 3 is a plan view showing a printed circuit board for the manifold solenoid valve of FIG. 2, and FIG. 4 is a circuit diagram showing a solenoid circuit of the printed circuit board of FIG.

The printed circuit board for the manifold solenoid valve of this embodiment is applied to the printed circuit board 2 provided in the stacking manifold block 1. The printed circuit board 2 is a solenoid of the solenoid valve 3 mounted in the stacking manifold block 1. The circuit 4 is printed.

This solenoid circuit 4 is provided with a first common signal line 5 and a control signal line 7, and a diode array 8 for surge suppression has a through hole 8 a on these signal lines 5 and 7. The contact terminals 9 are provided at the right end portions of the signal lines 5 and 7 via the through holes 9a, respectively.

The gist of this embodiment is that a second common signal line 6 is provided in addition to the first common signal line 5.

That is, the wiring pattern 5a of the first common signal line 5 is integrally extended from the through hole 5c for the first common signal line terminal 5b, and the extended portion of the second common signal line 6 is formed. The wiring pattern 6a is formed, and a through hole 6c for the second common signal line terminal 6b is formed at the end of the wiring pattern 6a. The through hole 6c, the first common signal line terminal 5b, and the control signal line are formed. The structure is such that the straight pin header 10 is provided via the through holes 5c and 7b for the terminal 7a.

One of the common signal lines 5 and 6 is used as a connecting line between the stacking manifold blocks 1.

Next, the operation of this embodiment will be described.

When wiring the manifold solenoid valves, first, in both printed circuit boards 2 provided in the stacking manifold blocks 1 adjacent to each other, the second common signal line 6 of one printed circuit board 2 is connected to the other. Connected to the first common signal line 5 of the printed circuit board 2.

Next, only one of the first and second common signal lines 5 and 6 of the printed circuit board 2 in any one of the stacking manifold blocks 1 is pulled out to have a positive polarity and printed for each stacking manifold block 1. The control signal line 7 of the board 2 is pulled out and connected to a DC power source with a negative polarity.

That is, one of the first and second common signal lines 5 and 6 is used as a connecting line between the solenoid valves 3 and does not require two wirings for each stacking manifold block 1.

Therefore, the number of wirings and the number of wiring steps can be reduced, and the reliability can be improved.

As a result, the wiring space can be reduced and the space can be effectively used.

Although the invention made by the present inventor has been specifically described based on the embodiments, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the invention. Needless to say.

For example, in the above-described embodiment, the case where the common signal line has a positive polarity and the control signal line has a negative polarity has been described. However, the present invention is not limited to this, and two types of positive common or negative common are available. A printed circuit board can be used to easily set positive common or negative common as necessary.

Further, in the above-described embodiment, the case of the direct current solenoid circuit has been described, but the present invention is not limited to this, and the present invention can be applied to the case of the alternating current solenoid circuit.

Further, in the above-mentioned embodiment, the print substrate provided in the stacking manifold block has been described, but the present invention is not limited to this, and the present invention can be applied to a printed circuit board provided in a solenoid valve. it can.

In the above description, the invention made by the present inventor was mainly described as a printed circuit board for a manifold solenoid valve using air pressure as a fluid pressure, which is the field of application of the invention, but a manifold using hydraulic pressure is used. It can also be applied to printed circuit boards for solenoid valves.

[0029]

[Effect of the device]

 The effects obtained by the typical ones of the inventions disclosed in the present application will be briefly described as follows.

(1). First and second common signal lines and control signal lines are provided in a solenoid circuit to be printed, and terminals of the first and second common signal lines and control signal lines are formed. Since the structure is used, one of the two common signal lines can be used as a crossover line, and it is not necessary to draw out the common signal line for each stacking manifold block or solenoid valve.

(2) Due to the effect of (1), the number of wirings and the number of wiring man-hours can be reduced, and the reliability can be improved.

(3). Due to the effect of (2), the wiring space can be reduced and the space can be effectively used.

(4). Since the structure uses two types of printed circuit boards, positive common or negative common, it is possible to easily set positive common or negative common as necessary.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing a stacking manifold block including a printed circuit board for a manifold solenoid valve according to an embodiment of the present invention.

FIG. 2 is a side view showing details of a printed circuit board for the manifold solenoid valve of FIG.

FIG. 3 is a plan view showing a printed circuit board for the manifold solenoid valve of FIG.

FIG. 4 is a circuit diagram showing a solenoid circuit of the printed circuit board shown in FIG.

[Explanation of symbols]

 1 Stacking Manifold Block 2 Printed Circuit Board 3 Solenoid Valve 4 Solenoid Circuit 5 First Common Signal Line 5a Wiring Pattern 5b First Common Signal Line Terminal 5c Through Hole 6 Second Common Signal Line 6a Wiring Pattern 6b Second Common Signal Wire terminal 6c Through hole 7 Control signal wire 7a Control signal wire terminal 7b Through hole 8 Diode array 8a Through hole 9 Contact terminal 9a Through hole 10 Straight pin header

Claims (3)

[Scope of utility model registration request] 1. A solenoid circuit for printed wiring is provided with first and second common signal lines and control signal lines, and terminals of the first and second common signal lines and control signal lines are formed. Printed circuit board for manifold solenoid valve. 2. The printed circuit board for a manifold solenoid valve according to claim 1, wherein one of the first and second common signal lines is used as a crossover to each solenoid valve. 3. Positive common or negative common 2
The printed circuit board for a manifold solenoid valve according to claim 1 or 2, wherein a type of the printed circuit board is used and a positive common or a negative common is set as necessary.