JP2002073114A - Electronic equipment and rail fitting method for the electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that the man-hour for maintenance inspection such as the replacement of a function unit increases and longer time and more trouble are needed since all function units need to be detached from a rail in the case an intermediate function unit among the function units needs to be replaced due to a fault or some other reason. SOLUTION: In the case of detaching only the function unit A-1 positioned in the middle, the intermediate function unit A-1 is reversely turned, one electric connector 3 of the function unit A-1 is detached from the other electronic connector 4 located at its neighbor on the left, and the other electronic connector of the function unit A-1 is detached from one electronic connector 3 located at its neighbor on the right; and at the same time, the rail 10 is positioned in the other insertion groove part 6B of a groove 6 for rail insertion and an engagement claw part 9 provided to one insertion groove part 6A is detached from the rail 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to all electronic equipment to be mounted on a DIN rail and a method for mounting the electronic equipment on a rail.

[0002]

2. Description of the Related Art Conventionally, a programmable controller used in a production site such as a factory, etc., is connected to an external output device in accordance with a predetermined control program based on an input from an external input device provided on the machine equipment side. The sequence is controlled by giving an output.
U, an input, an output unit, a communication unit, and other functional units. In the building block structure constructed by these functional units, a base unit is mounted on a fixed side, and a power supply, a CPU, an input, Output section,
This was done by attaching a functional unit such as a communication unit.

As described above, the conventional programmable controller requires a base unit. However, a building block structure in which the base unit is not required and which can be mounted on a DIN rail is disclosed in Japanese Patent Laid-Open No. 6-23 / 1994.
No. 0809 discloses this.

[0004] The disclosed technology uses a male electrical connector 4 for connecting a power supply line and a bus line to one side of a unit body 41 of a functional unit 40 as shown in FIG.
2, the other side is provided with a female electrical connector 43 for conductive connection to the male electrical connector 42 and the same type of power supply line and bus line connection as the male electrical connector 42, and when there are a plurality of functional units 40, Each functional unit 40
Is attached to the rail 44, and the male electrical connector 42 of one functional unit 40 is conductively connected to the female electrical connector 43 of the other functional unit 40 so as to connect the power supply line and the bus line between the functional units 40. It was done.

[0005]

However, in the case of the above-mentioned conventional electronic equipment (programmable controller), a function unit 40 intermediate between a plurality of function units 40 is used.
However, when a failure occurs or replacement is required for other reasons, it is necessary to remove all the functional units 40 from the rails 44 or to shift each of the functional units 40 one by one on the rails 44. In addition, the number of man-hours for maintenance and inspection such as replacement of the functional unit 40 is increased, and there is a problem that time and labor are required accordingly.

The present invention has been made in view of the above problems, and a first object of the present invention is to remove all functional units from a rail or to shift some functional units. It is possible to easily remove only the desired functional unit from the rails without having to use it, reducing the number of maintenance and inspection steps such as replacing functional units, thereby reducing work time and labor. Electronic equipment.

It is a second object of the present invention to provide an electronic device which can fix electronic devices mounted side by side on a rail to each other and can be electrically connected to each other.

A third object of the present invention is to easily remove an arbitrary functional unit from a rail without removing all functional units from a rail or displacing a part of functional units. Accordingly, it is an object of the present invention to provide a rail mounting method for an electronic device which can reduce the number of steps for maintenance and inspection such as replacement of a functional unit, thereby shortening the working time and labor.

It is a fourth object of the present invention to provide a rail mounting method for an electronic device which can fix electronic devices mounted side by side on a rail to each other and can be electrically connected to each other.

[0010]

In order to achieve the first object, an electronic apparatus according to the present invention has a function unit provided with a rail insertion groove, and the rail insertion groove is inserted into the rail. In the electronic device in which the functional unit is attached to the rail, the functional unit is rotated about its rotation center in a state where the rail insertion groove is inserted into the rail, so that the functional unit is detachably engaged with the rail. And an anti-rotation means for preventing reverse rotation of the functional unit removably engaged with the rail.

The rail insertion groove has one groove having a groove width substantially equal to the width of the rail, and one groove having a groove width inclined with respect to the center of rotation with respect to the one groove. Overlap with the other insertion groove that is almost equal to
The one upright wall of the one insertion groove and the other upright wall are positioned diagonally across the rotation center, and the one upright wall and the other upright wall of the other insertion groove sandwich the rotation center therebetween. It is configured to be positioned at a diagonal, and the engaging means is provided by providing an engaging claw portion which is removably engaged with the rail on one of the upright wall portions and the other upright wall portion of the one insertion groove portion, When the rotation stopping means is inserted into the other insertion groove portion of the functional unit of the rail, the rail is pushed in against the elastic member by the rail, and the functional unit is rotated about the center of rotation and positioned in one of the insertion groove portions. In this state, the rotation preventing member may be configured to protrude into the other insertion groove by the spring force of the elastic member and contact the rail.

The electronic equipment includes a single-unit electronic equipment such as a timer, a counter, a temperature controller, and a sensor amplifier, a remote I / O master station of a wiring-saving system, its substation, a terminal block unit, and a relay. Terminal, sensor terminal, building block type programmable controller units (power supply unit, CPU unit, I / O unit, analog input / output unit, etc.),
That is, one unit of the composite unit type, the micro type programmable controller (power supply, CPU, I /
O is a single unit).

The functional unit includes a unit as a single unit type electronic device, a unit of a wiring saving system, each unit of a building block type programmable controller, a micro type programmable controller, a unit having no control function, And those without a processor (mere terminal block units).

The elastic member includes a spring member, a resin member having elastic characteristics, and a biasing member.

[0015] With this configuration, the functional unit is mounted on the rail by rotating about the center of rotation of the functional unit in a state where the rail insertion groove is inserted into the rail so that the functional unit is detachably engaged with the rail. The function unit can be removed from the rail by rotating the function unit in the reverse direction, without removing all the function units from the rail or displacing some function units. Can be removed from the rail, and the number of steps for maintenance and inspection such as replacement of a functional unit can be reduced, so that the working time and labor can be reduced accordingly.

That is, holding the functional unit in hand, the other insertion groove of the rail insertion groove is aligned with the rail, the functional unit is pressed against the rail, and the rotation stopping member is opposed to the elastic member by the rail. Push in. Next, the functional unit is rotated about its rotation center to be positioned in one of the rail insertion grooves, and the engagement claw provided in the one insertion groove is engaged with the rail. Attach the functional unit to the rail.

In this case, since the rail comes off the rotation stopping member due to the rotation of the functional unit, the rotation stopping member projects into the other insertion groove by the elastic member and interferes with the rail. Is blocked.

When removing the functional unit from the rail, the rotation stopping member is moved against the elastic member,
The rotation stopper is retracted from the other insertion groove into the functional unit. In this state, by rotating the functional unit in the reverse direction, it is positioned in the other insertion groove of the rail insertion groove,
The engaging claw provided on the one insertion groove is removed from the rail.

Thus, holding the functional unit in hand,
The function unit is attached to the rail by the operation of pressing the functional unit against the rail and rotating it so that the other insertion groove of the rail insertion groove is aligned with the rail,
By rotating the functional unit in the reverse direction, the functional unit can be removed from the rail.

As described above, only one functional unit can be easily removed from the rail without removing all the functional units from the rail or displacing a part of the functional units, and it is possible to replace the functional unit. Can reduce the number of man-hours for maintenance and inspection, thereby reducing the working time and labor.

According to another aspect of the present invention, there is provided an electronic apparatus according to the present invention, wherein the functional unit has a center of rotation at a central portion thereof. On one side surface of the unit, one electrical connector having a mating connector fitting portion is provided on a virtual circle centered on the center of rotation and has a mating connector fitting portion in the rotation direction of the functional unit. The other electrical connector is provided on the virtual circle and has a mating connector fitting portion in the rotation direction of the functional unit. One electrical connector is conductively connected to the other electrical connector of the adjacent functional unit, and the other electrical connector is The electric connector is conductively connected to one electric connector of the adjacent functional unit.

With this configuration, for example, when one electronic device is constructed with a plurality of functional units such as a programmable controller, a plurality of functional units are mounted on the rail in the same procedure as the mounting of the rail of the functional unit. Attach the unit to the rail, rotate one functional unit, fix this one functional unit to the rail, rotate the intermediate functional unit, fix this intermediate functional unit to the rail, and One electrical connector of the functional unit is conductively connected to the other electrical connector of one functional unit, the other functional unit is rotated to fix the other functional unit to the rail, and to the other functional unit. One electrical connector,
It is possible to construct a building block of a plurality of functional units by conductively connecting to one electrical connector of the intermediate functional unit and connecting adjacent functional units.

For example, when only the intermediate functional unit is to be removed, the intermediate functional unit is rotated in the reverse direction, and one of the electrical connectors of the intermediate functional unit is disconnected.
Disconnect the other electrical connector of the intermediate functional unit from the other electrical connector of the other functional unit on the right side while disconnecting it from the other electrical connector of the functional unit on the left side. Remove the groove from the rail.

As described above, since only the intermediate functional unit can be easily removed from the rail without removing all the functional units from the rail, the number of maintenance and inspection steps such as replacement of the functional unit can be reduced. It is possible to shorten the working time and the labor accordingly.

Further, the electronic device according to the present invention may be provided with an unlocking means for pulling the rotation stopping member into the functional unit from the rail insertion groove and holding this state. In this case, the unlocking means has a rotation stopping lever connected to the rotation stopping member, and the locking means holds the rotation stopping member in a state where the rotation stopping member is pulled into the functional unit from the rail insertion groove. May be provided.

With this configuration, it is possible to maintain a state in which the rotation stopping member is pulled into the functional unit from the rail insertion groove by the locking means. For this reason, the functional unit can be easily removed from the rail.

Further, in the electronic device according to the present invention, the rail insertion groove may be provided with a heat radiating means which comes into contact with the rail when the functional unit is detachably attached to the rail.

With this configuration, the heat generated in the functional units can be transmitted from the respective functional units to the rails through the heat radiating means and radiated.

In the electronic device according to the present invention, a space for heat radiation may be provided between the adjacent one and other functional units.

According to this configuration, when a plurality of functional units are mounted on the rail, a space is generated between the adjacent units. Therefore, the heat generated in the functional unit can be radiated from the space to the atmosphere.

According to a third aspect of the present invention, there is provided a rail mounting method for an electronic device according to the present invention, wherein a rail insertion groove is provided in a functional unit, and the rail insertion groove is detachable from the rail. A rail mounting method for an electronic device in which a functional unit is mounted on a rail by being engaged, wherein the functional unit is rotated about its rotation center with the rail insertion groove inserted into the rail. A unit in which a unit is detachably engaged with a rail, and in a state where the functional unit is engaged with the rail, the reverse rotation of the functional unit is prevented so that the functional unit is not reversely rotated and disengaged. It is.

Therefore, the functional unit is attached to the rail by rotating about the center of rotation of the functional unit in a state where the rail inserting groove is inserted into the rail so that the functional unit is detachably engaged with the rail. Just remove any functional unit from the rail, or move some of the functional units, so that you can easily remove the functional unit from the rail by rotating the unit in reverse. Can be removed from
The number of man-hours for maintenance and inspection, such as replacement of a functional unit, can be reduced, so that the working time and labor can be reduced accordingly.

According to a fourth aspect of the present invention, there is provided a rail mounting method for an electronic device according to the present invention, wherein a plurality of functional units are provided with rail insertion grooves, and the rail insertion grooves are disengaged from the rails. A rail mounting method for an electronic device in which a plurality of functional units are mounted on a rail by being engaged as much as possible, wherein the functional unit has a center of rotation at its center and at least one side surface. , An electrical connector having a mating connector fitting portion in the rotation direction of the functional unit, the electrical connector being located on an imaginary circle centered on the center of rotation. In the inserted state, by rotating about the center of rotation, the rail is releasably engaged with the rail, and the other functional unit is rotated in the rail insertion groove with the rail insertion groove inserted. Causes detachably engaged with the rail by rotating the center, in which so as to conductively connect the electrical connector of the other functional units to the electrical connector of one of the functional units.

Therefore, the building blocks of the functional units can be easily constructed. For example, when only the other functional unit is to be removed, the other functional unit is rotated in the reverse direction, and the other functional unit is rotated. The electrical connector of (1) is disconnected from the electrical connector of one of the functional units, and at the same time, the rail insertion groove is removed from the rail.

As described above, since any functional unit can be easily removed from the rail without removing all the functional units from the rail, the number of maintenance and inspection steps such as replacement of the functional unit can be reduced. It is possible to shorten the working time and the labor accordingly.

A plurality of functional units have a center of rotation at the center thereof, and are positioned on one side surface on an imaginary circle centered on the center of rotation, and the mating connector is fitted in the direction of rotation of the functional unit. In the case of a configuration having one electrical connector having a mating portion, and having the other electrical connector having a mating connector fitting portion located on a virtual circle on the other side surface portion in the rotation direction of the functional unit. With one of the functional units, one of the functional units is removably engaged with the rail by rotating about its rotation center with the rail insertion groove inserted into the rail, and the intermediate functional unit is In a state where the rail insertion groove is inserted into the rail, the rail is rotated about the center of rotation so as to engage with the rail so as to be disengageable, and one of the electrical connectors of the intermediate functional unit. The one functional unit is conductively connected to the other electrical connector, and the other functional unit is removably engaged with the rail by rotating about the center of rotation while the rail insertion groove is inserted into the rail. At the same time, one electrical connector of the other functional unit can be conductively connected to the other electrical connector of the intermediate functional unit.

[0037]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIGS. 1 to 4 show an electronic apparatus according to Embodiment 1 of the present invention. In the drawings, the upper and lower sides and the left and right sides are set as shown in the drawings for convenience of explanation.

In the electronic device according to the present invention, the function unit A is rotated so that the rail insertion groove 6 is inserted into the rail (DIN rail) 10 so that the function unit A is detachably engaged with the rail 10. Engaging means for causing the rail 1
Rotation preventing means for preventing reverse rotation of the functional unit A removably engaged with the functional unit A.

The electronic equipment includes a single-unit electronic equipment such as a timer, a counter, a temperature controller, and a sensor amplifier, a remote I / O master station of a wiring-saving system, its substation, a terminal block unit, and a relay. Terminal, sensor terminal, building block type programmable controller units (power supply unit, CPU unit, I / O unit, analog input / output unit, etc.),
That is, one unit of the composite unit type, the micro type programmable controller (power supply, CPU, I /
O is a single unit).

The functional unit includes a unit as a single unit type electronic device, a unit of a wiring saving system, each unit of a building block type programmable controller, a micro type programmable controller, a unit having no control function, And those without a processor (mere terminal block units).

That is, the functional unit A has a unit main body 1, and as shown in FIG. 1, the unit main body 1 has a front part 1A, a rear part (rear part) 1B, an upper part, and lower parts 1C, 1D. This is a block having left and right side surfaces 1E and 1F, and has a rotation center P located on the axis C of the functional unit A in the center thereof (see (1) in FIG. 3).

A rail mounting portion 5 is provided on the rear surface portion 1B of the unit body 1. The rail mounting portion 5 has a rail insertion groove 6. The rail insertion groove 6 has one groove width approximately equal to the width Wd of the rail 10.
A and the one insertion groove portion 6A is inclined at an angle θ about the rotation center P with respect to the one insertion groove portion 6A, and the groove width is the width dimension W of the rail 10.
The other insertion groove 6B, which is substantially equal to d, is overlapped, and one of the insertion walls 6A has one standing wall 7A and the other standing wall 7B.
Are positioned diagonally across the rotation center P, and one of the upright wall portions 8A and the other upright wall portion 8B of the other insertion groove portion 6B are provided.
Are positioned diagonally across the rotation center P.

Accordingly, the rail insertion groove 6 includes a side wall portion in which the upright wall portion 7A of the one insertion groove portion 6A and the upright wall portion 8A of the other insertion groove portion 6B are connected at the intersection a with the axis c, and one of the insertion groove portions. 6A, and a side wall connected at the intersection b between the vertical wall 8B of the other insertion groove 6B and the axis c. The upright wall 7A and the upright wall 7B of one of the insertion grooves 6A are formed with an engagement claw 9 as an engagement means, and the engagement claw 9 formed on the upright wall 7A is at the intersection thereof. The portion near a is cut away so as to be located on the extension of the upright wall portion 8A of the other insertion groove portion 6B to form a cut portion 9a. The engaging claw portion 9 formed on the upright wall portion 7B has a portion near the intersection b, and the upright wall portion 8 of the other insertion groove portion 6B.
The cut portion 9a has been cut so as to be located on the extension of B
It is.

A pin hole 16 is provided in the other insertion groove 6B of the rail insertion groove 6 near the vertical wall 8B.
This pin hole 16 has a detent pin 2 serving as a detent member.
5 is movably provided, and the rotation stopping pin 25 projects from the spring member 27, which is an elastic member, into the other insertion groove 6B. The rotation stopping pin 25 and the spring member 27 constitute rotation stopping means.

As shown in FIG. 2, the rail 10 has a rail main body 10A having a U-shaped cross section and engaging projections 10b formed at both ends, and a mounting hole at the center of the rail main body 10A. 11 is formed and the rail 10
The fixed member 3 is fixed by the screw member 31 inserted into the mounting hole 11.
2 is fixed.

In the rail 10, the dimension between the engaging projections 10b is Wd, the width of the rail body 10A is Wbd, the height is Dod, the width of the engaging projection 10b is Wid, and the thickness is Td.

Next, the attachment and detachment of the functional unit A configured as described above to and from the rail 10 will be described.

With the functional unit A held in hand, the other insertion groove 6B of the rail insertion groove 6 is aligned with the rail 10 as shown in FIG. Press. By this pressing, the locking protrusion 25 b of the rail 10 causes the rotation stopping pin 25
Is pushed in against the spring member 27.

Next, the functional unit A is replaced by (2) in FIG.
As shown in (2 ′), the rail 10 rotates in the direction of the arrow around the rotation center P, and as shown in (3) and (3 ′) of FIG. Insertion groove 6
Position A. For this reason, this one insertion groove portion 6A
The engaging claw 9 provided on the rail 10
0b, the functional unit A is attached to the rail 10.

In this case, since the engaging projection 10b of the rail 10 is disengaged from the detent pin 25 by the rotation of the functional unit A, the detent pin 25 projects into the other insertion groove 6B by the spring member 27. The rail 10 comes into contact with (interferes with) the engagement projection 10b, and the rotation of the functional unit A is prevented.

When removing the functional unit A from the rail 10, the detent pin 25 is pulled into the pin hole 16 from the rail insertion groove 6 against the spring member 27.

In this state, by rotating the functional unit A in the direction of the arrow in FIG. 4 (3 '), the rail 10 is positioned in the other insertion groove 6B of the rail insertion groove 6, and this one insertion is performed. Engagement claw 9 provided in groove 6A
From the engaging projection 10b of the rail 10. And
Remove the functional unit A from the rail 10.

As described above, the functional unit A is held by hand, and the other insertion groove 6A of the rail insertion groove 6 is aligned with the rail 10, so that the functional unit A is
The functional unit A is attached to the rail 10 by the operation of pressing against and rotating the functional unit A, and the functional unit A can be removed from the rail 10 by rotating the functional unit A in the reverse direction.

Therefore, according to the first embodiment of the electronic apparatus of the present invention, all the functional units are not removed from the rails, and some of the functional units are not shifted.
Only an arbitrary functional unit A can be easily detached from the rail 10, so that the number of steps for maintenance and inspection such as replacement of the functional unit A can be reduced, and the working time and labor can be reduced accordingly.

According to the first embodiment of the rail mounting method for electronic equipment of the present invention, the functional unit A is rotated about its rotation center P with the rail insertion groove 6 inserted into the rail 10. By doing so, the functional unit A
0 and is attached to the rail 10 so as to be able to be disengaged.
By rotating the functional unit A in the reverse direction, the functional unit A
Can be easily removed from the rail 10 without removing all the functional units A from the rail 10 or displacing some of the functional units A so that the can be removed from the rail 10. And the number of maintenance and inspection steps such as replacement of the functional unit 10 can be reduced.
Thus, the working time and labor can be reduced.

(Embodiment 2) FIGS. 5 to 9 show Embodiment 2 of an electronic apparatus according to the present invention. This electronic device
For example, a programmable controller is applied. The programmable controller is constructed by functional units A-1 such as a power supply, a CPU, an input / output unit, and a communication unit.
These functional units A-1 have a configuration in which one and the other electrical connectors 3 and 4 are provided to the functional unit A described in the first embodiment of the present invention.

The functional unit A-1 has a unit main body 1, and this unit main body 1 has, as shown in FIG.
Front part 1A, rear part 1B and upper, lower parts 1C and 1D and left,
It is a block having right side surfaces 1E and 1F, and has a rotation center P at the center. The left side surface portion 1E is divided into a vertical surface portion 2a perpendicular to the lower surface portion 1D and an inclined surface portion 2b inclined at a predetermined angle to the right with respect to the lower surface portion 1D. And a left connector mounting portion 2c formed of a step perpendicular to the vertical surface 2a.
Is formed. The right side surface 1F is divided into a vertical surface portion 2a perpendicular to the upper surface portion 1C and an inclined surface portion 2b inclined leftward at a predetermined angle with respect to the upper surface portion 1C. The vertical surface 2 is located at the boundary with the surface 2b.
A right connector mounting portion 2d formed of a step perpendicular to a is formed.

One electrical connector 3 having a mating connector fitting portion in the rotating direction is mounted on the left connector mounting portion 2c, and a mating connector fitting is formed on the right connector mounting portion 2d in the rotating direction. The other electrical connector 4 having a portion is attached, and the center 3 of the one electrical connector 3 is attached.
P and the center 4P of the other electrical connector 4 are the rotation center P
Are located on a virtual circle Q centered at.

The other configuration is the same as that of the above-described first embodiment of the present invention.

When constructing a programmable controller, for example, a power supply unit A1, a CPU unit A2, an input / output unit A3, and a communication unit are mounted on the rail 10 in this order, and the adjacent units are electrically connected. It is necessary to conduct to.

That is, the first embodiment of the present invention described above.
In the same procedure as the mounting of the rail 10 of the functional unit A in the above, the power unit A1 as one functional unit and the CPU unit A as an intermediate functional unit
2. Attach the input / output unit A3 and the communication unit (not shown) which are the other functional units.

In this case, the intermediate functional unit CP
When the U unit A2 is rotated clockwise in FIG. 7, one electrical connector 3 of the CPU unit A2 is connected to the other electrical connector 4 of the power supply unit A1. When the input / output unit A3 is rotated clockwise, one of the electrical connectors 3 of the input / output unit A3 is connected to the other electrical connector 4 of the CPU unit A2.
Connected to. When the communication unit is rotated clockwise, one of the electric connectors of the communication unit is turned on and connected to the other electric connector 4 of the output unit A3, thereby constructing a building block.

As described above, the power supply unit A1 and the CPU
The unit A2, the input / output unit A3, and the communication unit all rotate about their rotation center P and mount the rail 10 on the rail 10. The rotation angle θ at the time of this mounting is tan ^-1. (Wb / 2Hc), where Wb is the width of the functional unit A-1, Hc is the electrical connector 3,
This is a fitting depth of 4 (see FIG. 8).

The turning radius R at the time of mounting is (Wb + Wc).
+ Α) / 2. α is the electrical connector mounting margin (= 1 to
2 mm) (see FIG. 8).

As described above, when constructing a building block, adjacent functional units A-1 are connected by connectors, but one and the other electrical connectors 3 and 4 are connected to each other by their mating connector fitting portions. Functional unit A
At the intersection of the common tangents E on the line d connecting the rotation center P of -1, the fitting direction of the one and the other electrical connectors 3, 4 is the common tangent E direction. In this case, the displacement is minimized.

When only the CPU unit A2, which is an intermediate functional unit, is removed, the procedure is the same as that for removing the functional unit A from the rail 10 in the first embodiment of the present invention. When the CPU unit A2 is rotated counterclockwise in FIG.
One electric connector 3 of the CPU unit A2 is disconnected by the other electric connector 4 of the power supply unit A1,
The other electrical connector 4 of the U unit A2 is disconnected by the one electrical connector 3 of the input / output unit A3.

The functional unit A-1, which is an electronic apparatus according to the present invention, has the same volume as the conventional functional unit. That is, when the width number dimension of the conventional functional unit 40 is Wb, the height dimension is Hb, and the depth dimension is Db,
FIG. 9 shows a comparison of these dimensions with the functional unit A-1 which is an electronic device according to the invention.

As described above, according to the electronic apparatus according to the second embodiment of the present invention, a plurality of functional units A-1 such as a programmable controller, that is, a power supply unit A1, a CPU unit A2, an input / output unit, and the like. A3
When one electronic device is constructed by the communication unit and the communication unit, these functional units A-1 are mounted on the rail 10 and the CPU unit A2 is rotated clockwise in FIG. Is the other electrical connector 4 of the power supply unit A1.
When the input / output unit A3 is rotated clockwise, one electrical connector 3 of the input / output unit A3 is connected to the other electrical connector 4 of the CPU unit A2, and the communication unit When is rotated clockwise, one electrical connector of this communication unit is input and connected to the other electrical connector 4 of the output unit A3, so that building blocks of a plurality of functional units A-1 can be constructed. .

For example, when removing only the CPU unit A2, which is the intermediate function unit A-1, this CP
The U unit A2 is rotated in the reverse direction so that the CPU unit A2
Is disconnected by the other electrical connector 4 of the power supply unit A1, and the other electrical connector 4 of the CPU unit A2 is turned on and disconnected by the one electrical connector 3 of the output unit A3. The engagement claw 9 provided in the other insertion groove 6B of the rail insertion groove 6B is positioned in the other insertion groove 6B of the rail insertion groove 6B.
Remove from

As described above, it is possible to easily remove only the CPU unit A2, which is the intermediate functional unit A-1, from the rail 10 without removing all the functional units A-1 from the rail 10. The man-hour for maintenance and inspection such as replacement of A-1 can be reduced, so that the working time and labor can be reduced accordingly.

As described above, according to the second embodiment of the rail mounting method for electronic equipment according to the present invention, it is possible to easily construct a building block of a plurality of functional units A-1. For example, when only the CPU unit A2, which is the intermediate functional unit A-1, is to be removed, the CPU unit A2 is rotated in the reverse direction, and the one electrical connector 3 of the CPU unit A2 is connected to the one functional unit A-. 1, and the other electrical connector 4 of the CPU unit A2 is disconnected from the other electrical connector 3 of the other functional unit A-1. The insertion groove 6 is removed from the rail 10.

As described above, it is possible to easily remove only the CPU unit A2, which is the intermediate functional unit A-1, from the rail 10 without removing all the functional units A-1 from the rail 10. The man-hour for maintenance and inspection such as replacement of A-1 can be reduced, so that the working time and labor can be reduced accordingly.

In the above-described second embodiment of the electronic apparatus according to the present invention, the functional unit A-1 has the center of rotation P at the center thereof, and the rotating side P is provided on one side surface 1E.
The electric connector 3 has a mating connector fitting portion in the rotation direction of the functional unit A-1 and is located on the virtual circle Q with the center as the center. The electrical connector 4 has a mating connector fitting portion in the rotation direction of the functional unit A-1. However, one of the functional units A-1 has a rotation center P at a central portion thereof, and Is positioned on an imaginary circle Q centered on the P center during rotation, and the functional unit A-
1 has an electrical connector 3 having a mating connector fitting portion in the rotation direction, and has no electrical connector on the other side surface portion 1F, and the other functional unit A-1 has a rotation center at the center thereof. P, and an electric connector 4 which is located on an imaginary circle Q around the P center during rotation and has a mating connector fitting portion in the rotation direction of the functional unit A-1 on the other side surface portion 1F. However, it is also possible to adopt a configuration in which there is no electrical connector on one side surface 1E.

In this case, one of the functional unit rails A-
With the insertion groove 6 inserted into the rail 10, the first functional unit A- 1 is removably engaged with the rail 10 by rotating about its rotation center P, and the other functional unit A- 1 is inserted into the rail insertion groove 6. Is inserted into the rail 10 and is rotated about its rotation center Q to removably engage the rail 10 and connect the electrical connector 4 of the other functional unit A-1 to the other functional unit A-1. It becomes conductively connected to the electrical connector 3.

Therefore, the building block of the functional unit A-1 can be easily constructed. For example, when only the other functional unit A-1 is to be removed, the other functional unit A-1 is connected. By reverse rotation, the electrical connector 4 of the other functional unit A-1 is disconnected from the electrical connector 3 of the other functional unit A-1, and at the same time, the rail insertion groove 6 is removed from the rail 10.

As described above, since any functional unit A-1 can be easily removed from the rail 10 without removing all the functional units A-1 from the rail 10, the replacement of the functional unit A-1 can be easily performed. And the like, the number of man-hours for maintenance and inspections can be reduced, so that the working time and labor can be reduced accordingly.

(Embodiment 3) FIG. 10 shows an electronic apparatus according to Embodiment 3 of the present invention. This electronic device has a structure in which a heat radiating means is provided in the mechanism unit A in the above-described electronic device according to the first embodiment of the present invention, and other configurations are the same as those of the electronic device according to the present invention. 1 is the same as that of FIG.

That is, as shown in FIG. 10A, two heat radiation projections 12 and 13 as heat radiation means are provided on the bottom surface 11 of the rail insertion groove 6 of the functional unit A. One of the heat-radiating projections 12 has inner and outer surfaces 12A, 12B parallel to one insertion groove 6A and the other insertion groove 6B.
Inner and outer surface portions 12A-1 and 12B-1 are formed at diagonal positions, respectively.
The interval between the engaging claw 9 and the cutout 9a is substantially equal to the width Wid of the engaging protrusion 10b of the rail 10.

The other heat-radiating projection 13 has inner and outer surfaces 13A and 13B parallel to one insertion groove 6A and inner and outer surfaces 13A-1 and 13B parallel to the other insertion groove 6B.
And -1 are formed at diagonal positions, respectively.
The distance between the outer surface 13B-1 and the cutout 9a of the engagement claw 9 is
The width is substantially equal to the width dimension Wid of the engaging projection 10b of the rail 10.

Then, the inner surface 1 of one of the heat radiating projections 12 is formed.
The minimum gap between 2 </ b> A and the inner surface 13 </ b> A of the other heat radiation projection 13 is substantially equal to the diameter D of the head 33 of the screw member 31.

Therefore, in a state where the functional unit A is mounted in the same procedure as the mounting of the functional unit A to the rail 10 in the first embodiment of the electronic apparatus according to the present invention, FIG. As shown, the end surfaces 12D and 13D of the one and other heat radiation projections 12 and 13 abut on the rail 10.

For this reason, the heat generated in the functional unit A is transferred to the functional unit A as shown by the arrow in FIG.
One and the other heat radiation projections 1 from the unit body 1 of FIG.
The heat is transmitted to the rail 10 via the second and the third heat radiation.

(Embodiment 4) FIGS. 11 to 13 show an electronic apparatus according to Embodiment 4 of the present invention. This electronic device has a configuration in which a heat radiating unit is provided in the mechanism unit A-1 in the second embodiment of the electronic device according to the present invention. The heat radiating means includes one and the other heat radiating projections 12-1 and 13-1, and a space 30 provided between the functional units A-1.

The one and the other heat radiation projections 12-1 and 13-1 as the heat radiation means are the same as the one and the other heat radiation projections 12 and 13 in the second embodiment of the electronic device according to the present invention. Since the configuration is the same, the configuration is denoted by the same reference numeral and the description is omitted. Other configurations are the same as those of the electronic device according to the second embodiment of the present invention.

The space 30 between the functional units A-1 as the heat radiating means is composed of the power supply unit A1, the CPU unit A
2. Since the input / output unit A3 and the communication unit A4 have the inclined surfaces 2b on their side surfaces 1E and 1F, as shown in FIG. 12, the power supply unit A1, the CPU unit A2, the input / output unit A3 And communication unit A4
The power supply unit A1, the CPU unit A2, the input / output unit A3
When the one and the other electrical connectors 3 and 4 of the communication unit A4 are connected, the power supply unit A1
And the CPU unit A2, between the CPU unit A2 and the input / output unit A3, and between the input / output unit A3
And the communication unit A4.

Similarly, as shown in FIG. 13, a power supply unit A1, a CPU unit A2, an input / output unit A3
And the communication unit A4 are arranged in the vertical direction and attached to the rail 10, and these power supply unit A1, CPU unit A2,
When the one and the other electrical connectors 3 and 4 of the input / output unit A3 and the communication unit A4 are connected, the power supply unit A1 and the CPU unit A2 are connected to each other.
It occurs between the PU unit A2 and the input / output unit A3 and between the input / output unit A3 and the communication unit A4.

Therefore, the power supply unit A1, the CPU unit A2, the input / output unit A3, and the communication unit A
The heat generated in the unit 4 is transmitted from the unit body 1 to the rail 10 via the one and other heat-radiating projections 12 and 13 and is radiated, while being radiated from the space 30 to the atmosphere.

In the first, second, third, and fourth embodiments of the electronic device according to the present invention, it is possible to incorporate the rotation stop lever 20 into the rotation stop pin 25 to have an unlocking means.

That is, as shown in FIG. 14, the unit main body 1 of each of the functional units A and A-1 is provided with a rotation-stopping storage portion 15, and the other of the rail insertion grooves 6 is provided with the other of the insertion grooves 6B. Near the upright wall portion 7B, the rotation stopper storage portion 15 is provided.
In addition, a pin hole 16 communicating with the rotation direction is provided, and an opening 17 communicating with the rotation stopper housing 15 is provided in the front surface 1A of the unit body 1. In addition, one and the other U-shaped locking holes 1 are formed in the surface portion 15A of the rotation stopper storage portion 15.
8, 19 are provided in the front-back direction.

As shown in FIG. 15, the rotation stopping lever 20 has a frame-shaped lever body 20A. The lever body 20A is an elastic member extending rearward from the front end side of the lever body 20A. And the other lever portion 22 which is an elastic member extending forward from the rear end side of the lever main body 20A, and a lock pin 23 is provided at the tip of one and the other lever portions 21 and 22. 24 are provided. A rotation stop pin 25 is provided at the rear end of the lever body 20A. A hook hole 26 is provided at the front end of the lever body 20A.

The rotation stop lever 20 is housed in the rotation stop housing 15, and the lock pin 23 at the tip of one lever 21 is inserted into one lock hole 18 and the tip of the other lever 22. Lock pins 24 are movably inserted into the other lock holes 19, respectively. Also,
The detent pin 25 is inserted into the pin hole 16, and the front end of the lever body 20 </ b> A is located in the opening 17.
The rotation stop lever 20 is provided with the rotation stop lever 2.
0 has a combination of one and other lever portions 21 and 22 and one and other locking holes 18 and 19 into which lock pins 23 and 24 of these lever portions 21 and 22 are inserted. It is urged and the detent pin 25
Project from the pin hole 16 into the rail insertion groove 6. In this case, the lock pin 23 of one lever 21 is at the rear end 18a of one lock hole 18 and the lock pin 24 of the other lever 21 is at the rear end 19a of the other lock hole 19. They are respectively located and these constitute the locking means.

Accordingly, by holding the functional unit A (A-1) in hand, the other insertion groove 6B of the rail insertion groove 6 is aligned with the rail 10 so that the functional unit A (A-
1) is pressed against the rail 10. By this pressing,
The detent pin 25 is pushed by the engaging projection 10b of the rail 10. In this case, the lock pins 23, 24 of the one and the other lever portions 21, 22 are connected to the intermediate points (bent portions) 18-1, 1 of the one and the other lock holes 18, 19, respectively.
Shifting to the 9-1 side, the one and the other lever portions 21 and 22
Is bent and accumulates elastic biasing force.

Next, the functional unit A (A-1) is rotated about its rotation center P to be positioned in one of the rail insertion grooves 6A. For this purpose, the engaging claw 9 provided in the one insertion groove 6A engages with the engaging protrusion 10b of the rail 10, and the functional unit A (A-
1) is attached to the rail 10.

In this case, since the engaging projection 10b of the rail 10 is disengaged from the detent pin 25 by the rotation of the functional unit A (A-1), the detent pin 25 is connected to one and the other of the detent lever 20. The levers 21, 22 protrude into the other insertion groove 6B due to the elastic biasing force of the levers 21 and 22, and come into contact with (interfere with) the engagement protrusion 10b of the rail 10, so that the rotation of the functional unit A (A-1) is performed. Will be blocked.

When removing the functional unit A (A-1) from the rail 10, the rotation stop pin 25 is pulled out by pulling out the rotation stop lever 20 as shown in FIGS. 16 (2) and (3). It is withdrawn from the rail insertion groove 6 into the pin hole 16. In this case, the lock pin 23 of one lever 21 is located at the front end 18b of one lock hole 18 and the lock pin 24 of the other lever 21 is located at the front end 19b of the other lock hole 19. Then, FIG. 16
As shown in (3), the lock pins 23 and 24 are respectively attached to the inclined portions 18c and 19c between the intermediate points 18-1 and 19-1 and the front ends 18b and 19b of the one and other lock holes 18. Catch the rotation stop pin 25 to pin hole 1
6 is held in a retracted state.

In this state, the function unit A (A-1)
Is rotated in the counterclockwise direction so as to be positioned in the other insertion groove 6B of the rail insertion groove 6, and the engagement claw 9 provided in this one insertion groove 6A is engaged with the engagement protrusion of the rail 10. Remove from 10b. Then, the functional unit A is removed from the rail 10.

[0098]

As described above, according to the electronic apparatus of the present invention, the functional unit is held on the hand and the other insertion groove of the rail insertion groove is aligned with the rail, so that the functional unit is mounted on the rail. The functional unit can be attached to the rail by an operation of rotating by pressing against the rail, and the functional unit can be removed from the rail by rotating the functional unit in the reverse direction.

For this reason, it is possible to easily remove an arbitrary functional unit from the rail without removing all the functional units from the rail or displacing a part of the functional units. Can reduce the number of man-hours for maintenance and inspection, thereby reducing the working time and labor.

Further, according to the rail mounting method for an electronic device according to the present invention, the functional unit is rotated on the center of rotation while the rail insertion groove is inserted into the rail, whereby the functional unit is mounted on the rail. All the functional units can be removed from the rail, or some of the functional units can be detached so that the functional units can be detached from the rail by being removably engaged and attached to the rail, and by rotating the functional unit in reverse. Without shifting, only the intermediate functional unit can be easily removed from the rail, reducing the number of maintenance and inspection man-hours such as replacement of the functional unit, thereby reducing work time and labor. become.

[Brief description of the drawings]

FIG. 1 is a perspective view of a functional unit in an electronic device (first embodiment) according to the invention.

FIG. 2 is a sectional view of a rail.

FIG. 3 (1) is a plan view of a rail insertion groove of a functional unit in the electronic device (Embodiment 1) according to the present invention. FIG. 2B is a sectional view taken along line XX of FIG.

FIG. 4 (1) is an explanatory view of the electronic device according to the present invention (Embodiment 1) immediately before attaching a functional unit to a rail. (2) is an explanatory view of the same functional unit immediately after mounting on a rail. (2 ') is the same plan view. (3)
FIG. 4 is an explanatory view of engagement of the functional unit with a rail.
(3 ') is the same top view.

FIG. 5 is a perspective view of a functional unit in an electronic device (Embodiment 2) according to the present invention.

FIG. 6 (1) is a front view of a functional unit in an electronic device (Embodiment 2) according to the present invention. (2) is a top view of the rail insertion groove of the functional unit.

FIG. 7 is an explanatory diagram of a combination state of a plurality of functional units in the electronic device according to the present invention (Embodiment 2).

FIG. 8 is an explanatory diagram of dimensions of rail insertion grooves of a functional unit in the electronic device.

FIG. 9 is an explanatory diagram for comparing the volume of the electronic device with that of a conventional electronic device.

FIG. 10 (1) is a plan view of a rail insertion groove of a functional unit in an electronic device (Embodiment 3) according to the present invention. (2) is an explanatory diagram of heat radiation in the functional unit.

FIG. 11A is a front view of a functional unit in an electronic device (Embodiment 4) according to the present invention. (2) is a top view of the rail insertion groove in the same functional unit.

FIG. 12 is an explanatory diagram of heat radiation in a state where a plurality of functional units are combined in a lateral direction in the electronic device according to the present invention (Embodiment 4).

FIG. 13 is an explanatory diagram of heat radiation in a state where a plurality of functional units are combined in the vertical direction in the electronic device according to the present invention (Embodiment 4).

FIG. 14 is an explanatory view showing a state in which the unlocking means of the rotation stop pin is incorporated in the electronic device according to the present invention.

FIG. 15 is an explanatory diagram of a configuration of an unlocking unit.

FIG. 16A is an explanatory diagram of fixing of a functional unit by unlock means. (2) is an explanatory view from when the functional unit in the unlocking means is being fixed to when it is unlocked. (3) is an explanatory view of an unlock holding state in the unlock means.

FIG. 17 is an explanatory diagram of connection between functional units in a conventional electronic device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Unit main body 3 One electrical connector 4 The other electrical connector 5 Rail mounting part 6 Rail insertion groove 6A One insertion groove 6B The other insertion groove 7A One standing wall part 7B The other standing wall part 8A One standing wall part 8B The other. Standing wall 9 Engagement claw (engagement means) 10 Rail 11 Mounting hole 12 Heat dissipation projection (heat dissipation means) 12-1 Heat dissipation projection (heat dissipation means) 13 Heat dissipation projection (heat dissipation means) 13- DESCRIPTION OF REFERENCE NUMERALS 1 radiating projection (radiating means) 15 rotation stop storing part 16 pin hole 17 opening 18 locking hole (locking means) 19 locking hole (locking means) 20 rotation stopping lever (rotation stopping means) (un 20A lever body 21 one lever part 22 the other lever part 23 lock pin (lock means) 24 lock pin (lock means) 25 detent pin 25A Spring receiving member 26 Hook hole 27 Spring member A Function unit A-1 Function unit A1 Power supply unit (one function unit) A2 CPU unit (intermediate function unit) A3 Input / output unit (the other) Function unit) A4 Communication unit P Center of rotation Q Virtual circle

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H05K 7/12 H05K 7/20 B 5H220 7/20 G05B 19/05 NF term (Reference) 4E353 AA01 AA05 AA17 AA18 AA21 AA24 BB02 BB04 BB06 BB07 BB11 CC01 CC11 CC31 DD05 DD11 DD14 DD15 DR05 DR15 DR17 DR19 DR20 DR22 DR34 DR36 DR46 DR53 DR57 GG09 GG17 GG20 GG21 4E360 AB12 AB23 AB24 AB25 EB05 EC05 EC12 GA04 GA23 ED03 GA53 GA03 ED03 GA03 AA11 AB04 AB07 AB11 5G016 CD05 5G052 AA12 HB05 HC03 5H220 BB15 CC02 JJ02 JJ04

Claims (7)

[Claims] A rail for inserting the rail into the functional unit;
An electronic device in which the functional unit is attached to the rail by detachably engaging the rail insertion groove with the rail, wherein the functional unit is inserted in the rail insertion groove in the rail. Engaging means for removably engaging the functional unit with the rail by rotating the functional unit about the center of rotation thereof; and a rotation stopper for preventing reverse rotation of the functional unit engaged releasably with the rail. Electronic equipment comprising: 2. The function unit has a center of rotation at a center thereof, and is positioned on one side surface of the function unit on an imaginary circle centered on the center of rotation, and a rotation direction of the function unit. The other electrical connector having a mating connector fitting portion is provided on the other side surface of the functional unit, and the other electrical connector having the mating connector fitting portion in the rotation direction of the functional unit is provided on the other side surface of the functional unit. A connector, wherein the one electrical connector is conductively connected to the other electrical connector of the adjacent functional unit, and the other electrical connector is conductively connected to the one electrical connector of the adjacent functional unit. The electronic device according to claim 1, wherein 3. The electronic apparatus according to claim 1, further comprising unlocking means for pulling the rotation stopping member of the rotation stopping means into the functional unit from the rail insertion groove and holding this state. 4. A radiator for contacting the rail when the functional unit is detachably attached to the rail is provided in the rail insertion groove.
An electronic device according to claim 1. 5. The electronic device according to claim 2, wherein a space for heat radiation is provided between the one and the other functional units adjacent to each other. 6. A groove for rail insertion is provided in the functional unit,
A rail mounting method for an electronic device, wherein the functional unit is mounted on the rail by removably engaging the rail inserting groove with the rail, wherein the rail inserting groove is inserted into the rail. In this state, by rotating the functional unit around its rotation center, the functional unit is detachably engaged with the rail, and in a state where the functional unit is engaged with the rail,
In order that the functional unit does not come off due to reverse rotation,
A rail mounting method for an electronic device, wherein the reverse rotation is prevented. 7. An electronic apparatus wherein a plurality of functional units are provided with rail insertion grooves, and the plurality of functional units are attached to the rails by engaging the rail insertion grooves with the rails. The method of attaching a rail, wherein the functional unit has a center of rotation at a center thereof, and is positioned on at least one side surface on a virtual circle centered on the center of rotation and rotates the functional unit. An electrical connector having a mating connector fitting portion in the direction is provided, and one of the functional units is engaged with the rail by rotating about its rotation center in a state where the rail insertion groove is inserted into the rail. By detachably engaging the other functional unit, the other functional unit is rotated around its rotation center in a state where the rail insertion groove is inserted into the rail, thereby allowing the other functional unit to be engaged with the rail. A method for mounting a rail on an electronic device, wherein the method includes removably engaging and electrically connecting the electric connector of the other functional unit to the electric connector of the one functional unit.