JP3941492B2 - Controller unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a controller unit.
[0002]
[Prior art]
6A is a top view of a control board such as a conventional gas shut-off device, and FIG. 6B is a side view showing a state where a connector is inserted into the board.
[0003]
6 (a) and 6 (b), the control board 1 of the controller unit such as a gas shut-off device is provided with a terminal hole 4 for inserting the terminal 3 of the connector 2 in order to attach the connector 2. The terminals 3 of the connector 2 are arranged in a horizontal row in the housing case 5.
[0004]
[Problems to be solved by the invention]
However, as shown in FIG. 6B, the space between the terminals 3 of the connector 2 attached to the control board 1 of the controller unit of the conventional gas shut-off device is narrow, and when water droplets adhere to the control board 1, the space between the terminals 3 However, there is a problem that the water droplets attached to the control board 1 become conductive. Furthermore, by providing a notch between the terminal holes 4 of the control board 1, it is possible to prevent water droplets from collecting between the terminals 3, but the connector is divided into a plurality of parts because the distance between the terminals of the terminals 3 is widened. There is a problem that the housing case 5 becomes wider and the connector 2 becomes difficult to insert into the control board 1.
[0005]
The present invention was devised to solve the above-mentioned conventional problems, and an object thereof is to provide a controller unit that does not cause malfunction due to conduction between terminals 3 due to water droplets adhering to the control board 1. And
[0006]
[Means for Solving the Problems]
In order to solve the above problems, a controller unit of the present invention includes a connector having terminals arranged in a grid pattern in a housing case, and a control board having terminal holes for inserting the terminals, The controller unit has a connection form that is directly attached to the control board, and the control board is provided with a grid-shaped terminal hole and a cross-shaped notch so as to shield the terminal hole from each other . According to the present invention, the insulation distance can be secured without increasing the lateral width of the housing case. In addition , by forming the notch in a cross shape so as to block between the terminal holes, it is possible to prevent water droplets from accumulating between the terminals and to prevent malfunction caused by conduction due to water droplets between the terminals. it can.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 includes a connector having terminals arranged in a grid pattern in a housing case, and a control board having a terminal hole for inserting the terminal, and the connector is directly attached to the control board. a controller unit having a topology, the control board are those wherein the lattice-shaped terminal hole, in that a cutout of the cross-shaped so as to block between the terminal hole mutually. Then, a connector having terminals arranged in a grid pattern, by the terminal hole mutual settings digit control board a notch so as to block the between the lattice-shaped terminal hole, the workability, increase the width of the housing case Without deteriorating, it is possible to prevent water droplets from accumulating between the terminals, and it is possible to eliminate malfunction caused by conduction due to water droplets between the terminals.
[0008]
According to a second aspect of the present invention, the connector is configured by inserting a terminal into the terminal insertion portion of the housing case having the terminal insertion portion in a lattice shape so as to block between the terminal insertion portions on the upper surface side of the connector. A groove is formed between the terminals, and the grooves provided between the terminal insertion portions can prevent conduction between the terminals due to accumulation of water droplets between the terminal insertion portions.
[0009]
Invention according to claim 3, connector, characterized in that by inserting the terminal into the terminal insertion portion of the housing case having a terminal insertion portion in a lattice pattern constituted, holes made between the terminal insertion portion Thus, water droplets accumulated between the terminals can be allowed to flow out of the housing case through the holes, and it is possible to prevent electrical conduction between the terminals due to the water droplets as described above.
[0010]
According to a fourth aspect of the present invention, the connector is configured by inserting a terminal into the terminal insertion portion of a housing case having a terminal insertion portion in a lattice shape, and forming a groove so as to block the terminal insertion portions from each other. In addition, a hole is provided in a part of the groove, and the groove is formed so as to be inclined with respect to the hole, so that water droplets accumulated in the groove can easily flow out of the housing case from the hole. Can do.
[0011]
The invention according to claim 5 is characterized in that the cutout of the control board is the same as or larger than the hole provided in the terminal insertion portion, and water drops flowing out of the housing case You can be sure not to touch.
[0012]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0013]
Example 1
FIG. 1A is a top view of a control board of the gas cutoff device in Embodiment 1 of the present invention, and FIG. 1B is a front view of a connector attached to the control board.
[0014]
FIG. 1C is a top view of a connector attached to the control board.
[0015]
1A, 1B, and 1C, a connector 2 having terminals 3 arranged in a grid pattern in a housing case 5 and a terminal hole 4 for inserting the terminal 3 are provided. The control board 1 is provided with a cross-shaped notch 6 therebetween.
[0016]
In FIG. 1, the notch 6 between the terminal holes 4 provided in the control board 1 can prevent water droplets from collecting on the board between the terminals 3, and is caused by conduction between the terminals 3 due to the water drops. The malfunction of the gas shut-off device can be eliminated, and the safety in using the gas can be ensured.
[0017]
Further, since the lateral width of the housing case 5 is not increased, workability is not deteriorated. In the first embodiment, the number of terminals 3 is four, but the same effect can be obtained even if the number of terminals 3 is increased.
[0018]
(Example 2)
FIG. 2A is a front view of a connector attached to the control board of the gas cutoff device in Embodiment 2 of the present invention, and FIG. 2B is a top view of the connector attached to the control board.
[0019]
In FIG. 2, the connector 2 includes a housing case 5 in which a groove 8 is provided between the terminal insertion portions 7. Due to the grooves 8 provided between the terminal insertion portions 7, it is possible to prevent electrical conduction between the terminals 3 due to accumulation of water droplets between the terminal insertion portions 7.
[0020]
(Example 3)
FIG. 3A is a front view of a connector attached to the control board of the gas cutoff device in Embodiment 3 of the present invention, and FIG. 3B is a top view of the connector attached to the control board.
[0021]
In FIG. 3, the water droplets accumulated between the terminals 3 are discharged from the holes 9 by the holes 9 provided between the terminal insertion portions 7, thereby preventing conduction between the terminals 3 due to the water droplets.
[0022]
Example 4
FIG. 4A is a top view of a connector attached to the control board of the gas cutoff device in Embodiment 4 of the present invention, and FIG. 4B is a cross-sectional view taken along line AA in FIG.
[0023]
In FIG. 4, a groove 8 provided between the terminal insertion portions and a hole 9 provided in the bottom surface of the groove 8 are provided, and the groove 8 is constituted by a housing case 5 which is inclined with respect to the hole 9. It is the connector 2 to do. Water droplets accumulated in the groove 8 can flow out of the connector 2 from the hole 9 through the inclined groove 8.
[0024]
(Example 5)
FIG. 5 is a configuration diagram of a connector to be attached to the control board of the gas cutoff device in Embodiment 5 of the present invention.
[0025]
In FIG. 5, the control board 1 is provided with a connector 2 constituted by a housing case 5 in which holes 9 are provided between terminal insertion portions 7 and a notch 6 having the same shape and size as the holes 9. Water droplets flowing down from the holes 9 can flow out of the control board 1 without adhering to the control board 1. The same effect can be obtained when the notch 6 is larger than the hole 9.
[0026]
【The invention's effect】
As described above, according to the controller unit of the present invention, water droplets are prevented from accumulating between the terminals of the connector attached to the control board to be used, and malfunctions caused by conduction due to water droplets between the terminals are eliminated. Can be improved.
[Brief description of the drawings]
1A is a top view of a control board of a controller unit in Embodiment 1 of the present invention. FIG. 1B is a front view of a connector attached to the control board. FIG. 1C is a top view of a connector attached to the control board. (A) Front view of the connector attached to the control board of the controller unit in Embodiment 2 of the present invention (b) Top view of the connector attached to the control board [FIG. 3] (a) of the controller unit in Embodiment 3 of the present invention Front view of connector attached to control board (b) Top view of connector attached to control board [FIG. 4] (a) Top view of connector attached to control board of controller unit in Embodiment 4 of the present invention (b) FIG. FIG. 5 is a cross-sectional view taken along line AA in FIG. 5A. FIG. 5 is a perspective view of a connector attached to a control board of a controller unit in Embodiment 5 of the present invention. [Fig. 6] (a) Top view of a control board of a conventional controller unit (b) Side view of a connector to be attached to the control board [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Control board 2 Connector 3 Terminal 4 Terminal hole 5 Housing case 6 Notch 7 Terminal insertion part 8 Groove 9 Hole

Claims (5)

A connector having terminals arranged in a grid on the housing case, and a control board having terminal holes for inserting the terminals;
A controller unit having a connection form for directly attaching the connector to the control board,
The controller unit is characterized in that the control board is provided with a grid-shaped terminal hole and a cross-shaped notch so as to block between the terminal holes . The connector is configured by inserting a terminal into the terminal insertion part of the housing case having a terminal insertion part in a lattice shape,
The controller unit according to claim 1 , wherein a groove is formed so as to block between terminal insertion portions on the upper surface side of the connector . The connector is configured by inserting a terminal into the terminal insertion part of the housing case having a terminal insertion part in a lattice shape,
Controller unit according to claim 1, wherein holes made between the terminal insertion portion. The connector is configured by inserting a terminal into the terminal insertion part of the housing case having a terminal insertion part in a lattice shape,
A groove is formed so as to block between the terminal insertion portions, and a hole is provided in a part of the groove,
The controller unit according to claim 1, wherein the groove is formed to be inclined with respect to the hole. Notch of the control board is equal to or hole provided in the terminal insertion portion, the controller unit according to claim 3, wherein it has larger.

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