JP4153575B2 - Control panel - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a control panel.
[0002]
[Prior art]
In production sites such as factories, control panels equipped with pushbutton switches for performing predetermined operation inputs necessary for controlling various machines, etc., and displays for displaying predetermined visual information are used. Yes.
[0003]
FIG. 6 is a perspective view of a conventional control panel, and FIG. 7 is a sectional view of an essential part thereof. The control panel includes a panel body 1 and an input terminal 5 connected to the panel body 1 via a communication cable 3. The communication cable 3 is detachably connected to the panel body 1 via a connector 7. It has become so. Further, a hook 9 is provided on the front surface of the panel main body 1, and the input terminal 5 is attached to the panel main body by hooking a hook hole 11 a of the hook portion 11 provided in the input terminal 5 on the hook 9. 1 can be hooked on the front surface.
[0004]
[Problems to be solved by the invention]
However, the above-described conventional control panel is configured on the assumption that input from the input terminal 5 is performed with the input terminal 5 removed from the hook 9 of the panel body 1. It is not taken into account that it is performed in a state where it is mounted on.
[0005]
That is, the fixing of the input terminal 5 to the panel body 1 is very simple by simply hooking the hooking portion 11 of the input terminal 5 on the hook 9 of the panel body 1. When the input terminal 5 is attached to the panel body 1 and the input terminal 5 is attached to the panel body 1, even if an operation input is made through the operation switch 5a of the input terminal 5, the input terminal 5 is shaken and does not input very much. There is a problem of leprosy.
[0006]
Therefore, in view of the above problems, the present invention provides a control panel capable of satisfactorily performing operation input from an input terminal even when the input terminal that is detachably attached to the main body is mounted on the main body. Objective.
[0007]
[Means for Solving the Problems]
The technical means for achieving the object is a control panel that controls a predetermined external device based on a predetermined operation input, and is provided with a main body, and is detachably attached to the main body. An input terminal capable of transmitting and receiving a signal necessary for controlling the external device by wire or wirelessly, and connecting the input terminal to each other according to a mounting operation of the input terminal. While connecting to the front portion, the connecting means for releasing the connection between the input terminal and the main body in accordance with the detaching operation is provided on the front portion of the main body and the input terminal, and the main body and the input terminal are each predetermined. The operation switch group is detected, and the main body detects the removal of the input terminal from the main body, and at least a part of the operation switch group provided on the main body is detected. Provided with detection means for halting the reception of the operation input from the work switch on the back surface of said input terminals, with a second member according to the connection means and the first member is protruded, the body Is provided with a first opening into which the first member is inserted and a second opening with respect to the connecting means into which the second member is inserted, and the detection means is provided on the first opening. It has a switch which is provided inside and detects attachment / detachment of the input terminal from the main body by turning on / off in accordance with insertion and extraction operations of the first member .
[0009]
Preferably, the input terminal further includes a display unit that displays predetermined visual information necessary for controlling the external device.
[0010]
Furthermore, it is preferable that an accommodation recess for accommodating the input terminal fixed to the main body by the connecting means is provided on the front surface portion of the main body.
[0011]
Preferably, at least a part of a peripheral edge portion of the housing recess of the main body is enlarged outward from the outer shape of the input terminal, and a predetermined gap is provided between the input terminal and the inner peripheral surface of the housing recess. The part is good to be formed.
[0012]
Further preferably, the main body and the input terminal are connected by a communication cable, and when the communication cable is sent to the main body in response to an operation of pulling out the communication cable, a predetermined operation is applied. A cable take-up mechanism for rewinding the communication cable that has been sent in response to this may be provided.
[0013]
Preferably, the main body is blocked so that a planar shape when viewed from the front is rectangular, and the vertical and horizontal dimensions of the rectangular shape are substantially an integral multiple of a predetermined reference dimension. It is good to be.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a plan view of a control panel according to an embodiment of the present invention, and FIG. 2 is a perspective view of the control panel. The control panel 21 is for controlling a predetermined external device based on a predetermined operation input, and includes a panel main body 23 and an input terminal 25 that is detachably provided on the panel main body 23. ing. The panel body 23 is configured by a unit group including a plurality of units U1 to U5 incorporated on the front side of the outer frame member 27, and the input terminal 25 is detachably attached to the unit U1 among these. Yes.
[0015]
The unit U1 constitutes a mobile unit together with the input terminal 25, and a housing recess 33 for housing the input terminal 25 is provided on the front surface 31 of the unit U1. The units U2 to U4 are input units each provided with a plurality of operation switches SW1 to SW3 such as push button switches. The unit U5 which is also an input unit has an emergency stop operation switch including a push button switch. SW4 is provided.
[0016]
A plurality of types of operation switches SW5, SW6, and SW7 such as push button switches are provided on the front surface portion 41 of the input terminal 25, and the setting state and operation state of the external device to be controlled are controlled. A liquid crystal display panel 43 for displaying necessary visual information is incorporated. Here, one of the three operation switches SW5 is an emergency stop switch.
[0017]
The input terminal 25 and the unit U1 of the panel body 23 are connected by a communication cable 45. Control signals from the operation switches SW5 to SW7 and signals necessary for display on the liquid crystal display panel 43 are connected to the communication cable 45. Via the panel main body 23 and the input terminal 25. Note that, here, the transmission and reception of signals between the panel body 23 and the input terminal 25 are performed by the communication cable 45, but may be performed by wireless communication.
[0018]
On the back surface portion 47 of the input terminal 25, two locking members 49 (connecting means) having locking claws 49a projecting on both sides, here both on the upper and lower sides, on the tip portion, and a safety switch described later provided in the unit U1. (Detecting means) An insertion member 53 to be inserted into 51 is provided in a protruding manner. Correspondingly, in the housing recess 33 of the unit U1, there are two connecting means 55 at positions facing the two locking members 49 and the insertion member 53 provided on the back surface portion 47 of the input terminal 25, respectively. And a safety switch 51 are provided.
[0019]
In the casing 57 of each connecting means 55, as shown in FIG. 3, two pieces provided at predetermined intervals along the protruding direction of the locking claw 49a of the locking member 49 of the input terminal 25. A lock member 59 having an elastic arm 59a is provided. Each elastic arm 59a is provided with a locking portion 59b having a semicircular cross section that protrudes in a direction facing each other from the leading end of the elastic arm 59a. When the locking claw 49a of the locking member 49 is inserted through the opening 55a and is pushed between the locking portions 59b, the locking claw 49a bends the elastic arms 59a away from each other. When the locking claw 49a passes through both the locking portions 59b when the locking claw 49a passes through both the elastic arms 59a, both locking portions 59b engage with the locking claw 49a from both sides as shown in FIG. The input terminal 25 is fixed in the housing recess 33 of the unit U1.
[0020]
When the input terminal 25 is pulled forward, the locking claw 49a of the locking member 49 retreats from between both elastic arms 59a so as to spread both elastic arms 59a, and the locking claw 49a and both elastic arms 59a. The engagement (connection) with is released. Note that the configurations of the engaging member 49 and the connecting means 55 are merely examples, and are not limited thereto.
[0021]
The safety switch 51 detects the attachment / detachment of the input terminal 25 by turning on / off in accordance with the insertion / extraction operation of the insertion member 53 of the input terminal 25 from the opening 51a of the input terminal 25 when the input terminal 25 is attached / detached. When the input terminal 25 is removed from the panel body 23, the detection switch is provided therein, and the panel body 23 and the input terminal 25 are operated independently of the operation switches SW1 to SW4 of the panel body 23. Operation switch that may cause confusion in control when input is performed, here is a function that interrupts the communication line from the operation switches SW1 to SW3 to the external device and stops receiving operation inputs from the operation switches SW1 to SW3. Have.
[0022]
When the input terminal 25 is attached to the panel body 23, the suspension of acceptance of the operation switches SW1 to SW3 by the safety switch 51 is released. Further, the operation inputs from the operation switches SW5 to SW7 of the input terminal 25 and the operation switch SW4 for emergency stop of the panel body 23 are always acceptable regardless of whether the input terminal 25 is attached or detached.
[0023]
The operation switches SW1 to SW3 of the panel body 23 and the operation switches SW5 to SW7 of the input terminal 25 may be assigned the same function or command to each other or may be assigned a completely different function depending on the use situation. However, when the input terminal 25 is detached from the panel main body 23, the operation input from the operation switches SW1 to SW3 of the panel main body 23 is suspended, so that the panel main body 23 side and the input terminal 25 side individually Operation input is performed and control is prevented from being confused.
[0024]
The accommodation recess 33 provided in the front surface portion 31 of the unit U1 has a rectangular shape when viewed from the front, and the width in the left-right direction is such that the input terminal 25 is mounted in the accommodation recess 33. In the left-right direction of the input terminal 25 similarly having a rectangular shape, a gap 61 is formed between the left and right side surfaces of the input terminal 25 and the left and right inner peripheral surfaces of the receiving recess 33. It is set larger than the width by a predetermined dimension.
[0025]
Further, as shown in FIG. 4, a cable winding mechanism 62 for winding the communication cable 45 is provided in the unit U1. In addition, the structure of the cable winding mechanism 62 shown here is an illustration to the last, and is not limited to this.
[0026]
The cable winding mechanism 62 allows a reel 63 around which the communication cable 45 is wound, a spring spring 65 that rotationally drives the reel 63 in a direction in which the communication cable 45 is wound, and rotation of the reel 63 in the delivery direction. On the other hand, the reel 63 is prevented from rotating in the take-up rotation direction by the urging force of the mainspring spring 65 and is interlocked with the push button 67 provided on the front surface portion 31 of the unit U1, and the take-up reel 63 that has been prevented is prevented. And a lock mechanism 69 that permits the rotation in the winding rotation direction in conjunction with the pressing operation of the push button 67.
[0027]
The spring spring 65 is connected at one end to a rotating shaft 63a of the reel 63 that rotates integrally with the reel 63, and the other end is fixed to a predetermined fixed position 71 in the unit U1 to constantly bias the reel 63 in the winding rotation direction. When the communication cable 45 is pulled out and the reel 63 rotates in the sending rotation direction, the spring spring 65 is wound in accordance with this and the elastic energy is accumulated. Although the mainspring 65 is used here, a coil spring or the like may be used.
[0028]
The lock mechanism 69 includes a gear member 73 having a plurality of teeth 73a on the outer peripheral portion, and a latch member that engages with the teeth 73a of the gear member 73 and prevents the gear member 73 and the reel 63 from rotating in the winding direction. 75. The gear member 73 rotates integrally with the reel 63.
[0029]
The latch member 75 has an L-shape that is pivotally supported around the base end portion 75a thereof, and one end portion thereof is engaged with the teeth 73a of the gear member 73. A claw 75a is provided. The other end is pulled by a tension spring 77 in a direction in which the engaging claw 75a engages with the teeth 73a of the gear member 73, so that the engaging claw 75a is basically always in the gear member 73. To engage.
[0030]
Each tooth 73a provided on the gear member 73 is provided to be inclined rearward with respect to the delivery rotation direction so as to be forward with respect to the delivery rotation direction of the reel 63, and the reel 63 rotates in the delivery rotation direction. In this case, the rotation of the gear member 73 and the reel 63 is allowed by the latch member 75. However, when the reel 63 rotates in the winding rotation direction, the latch member 75 prevents the rotation of the gear member 73 and the reel 63. It has become.
[0031]
The push button 67 is provided in the through-hole 79a of the front side wall 79 of the unit U1 so as to be slidable back and forth. When the push button 67 is pushed in as indicated by an arrow 81, the push button 67 causes the latch member to be slid. The distal end portion of the side where the engagement claw 75 a is not provided is pressed and moved, and the latch member 75 moves the engagement claw 75 a from the gear member 73 against the spring force of the tension spring 77 as indicated by an arrow 83. The latch member 75 and the gear member 73 are disengaged from each other by being rotated in the separating direction. As a result, the reel 63 is allowed to rotate in the winding rotation direction while the push button 67 is pushed against the spring force of the tension spring 77, and the reel 63 is allowed to rotate by the elastic energy accumulated in the mainspring spring 65. It is rotationally driven in the winding rotation direction, and the communication cable 45 is wound along with this.
[0032]
The communication cable 45 is drawn into the unit U1 and wound around the take-up reel 63 through a hole 85 provided in the inner peripheral surface of the housing recess 33, and by pressing the push button 67, The drawn out communication cable 45 is drawn into and stored in the unit U1 with one touch.
[0033]
Further, each of the units U1 to U5 constituting the board surface of the control panel 23 is formed into a block so that the shape when viewed from the front, in particular, the shape of the front surface portion 31 is rectangular, and the rectangular vertical and horizontal dimensions L1. , L2 is substantially an integral multiple of the predetermined reference dimension L. Each of these units U1 to U5 is connected to each other in a plane so as to form a board surface. If necessary, the arrangement of each unit U1 to U5 can be changed, replaced with another unit, It can respond flexibly to additions.
[0034]
Here, as the reference dimension L, 12 mm, 24 mm, 48 mm, and the like are conceivable, and 48 mm is adopted here. Further, as the reference dimension L, it is preferable to adopt a reference dimension defined in the DIN standard, ISO standard, JIS standard or the like.
[0035]
As described above, according to the present embodiment, the input terminal 25 can be detached from the panel body 23 and operation input can be performed through the input terminal as necessary, so that an excellent operation input environment can be provided and the input terminal can be provided. When the terminal 25 is mounted on the panel body 23, the input terminal 25 is firmly fixed to the front surface portion 31 of the panel body 23 by the locking member 49 and the connecting means 55. Therefore, the operation input can be satisfactorily performed through the input terminal 25 even in the mounted state.
[0036]
The connecting means 55 is connected to the locking member 49 of the input terminal 25 in accordance with the mounting operation of the input terminal 25 to fix the input terminal 25 to the unit U1, while the locking member 49 is connected to the locking member 49 in accordance with the detaching operation. Therefore, when the input terminal 25 is attached / detached, the operator does not have to bother to connect and release the input terminal 25 and the panel body 23, and the operability is good.
[0037]
Further, when the input terminal 25 is removed from the panel body 23, the operation switches SW1 to SW3 may cause control confusion if an operation input is performed independently between the panel body 23 and the input terminal 25. Since the acceptance of the operation input is suspended by the safety switch 51, when the input terminal 25 is removed, the operation switch SW6 of the input terminal 25 is given priority over the operation switches SW1 to SW3 of the panel body 23. In addition, it is possible to perform an operation input from the SW 7 and to prevent the control from being confused by the operation input being input from both the panel body 23 and the input terminal 25. The emergency stop switch SW4 provided on the panel main body 23 can input even when the input terminal 25 is removed. Therefore, an emergency stop in the case of an emergency is performed between the panel main body 23 and the input terminal 25. You can do both.
[0038]
In addition, the operation switch SW1 to SW3 is suspended and released by the safety switch 51 when the input terminal 25 is attached / detached. Therefore, the operation switches SW1 to SW3 are attached when the input terminal 25 is attached / detached. Can be reliably stopped and canceled, and the operator does not have to change the input receiving state of the operation switches SW1 to SW3 of the panel body 23, so that the operability is good.
[0039]
Further, since the input terminal 25 is provided with a liquid crystal display panel 43 that displays visual information necessary for control of the setting state, operation state, etc. of the external device to be controlled, refer to the display on the liquid crystal display panel 43. Therefore, even complicated control can be performed satisfactorily.
[0040]
In addition, since the input terminal 25 attached to the panel main body 23 is accommodated in the accommodation recess 33 of the unit U1, some obstacles come into contact with the input terminal 25 in the attached state, and the input terminal 25 Can be prevented, and the front surface portion 31 of the panel body 23 can be configured to be flat in the mounted state, so that the front surface portion 31 can be designed to be clean.
[0041]
Further, when the input terminal 25 is mounted on the panel body 23, a predetermined gap 61 is formed between the input terminal 25 and the inner peripheral surface of the housing recess 33 on both the left and right sides of the input terminal 25. Therefore, when removing the input terminal 25, it is possible to insert the hand into the gap portion 61 to grip and remove the input terminal 25, and the operability at the time of removal is good.
[0042]
Further, the communication cable 45 connecting the panel body 23 and the input terminal 25 is wound around the reel 63 in the unit U1 by pressing the push button 67 and stored in the unit U1. Therefore, it is not necessary for the operator to bother to store the communication cable 45 when the input terminal 25 is mounted, and the operability is good. In addition, the front face 31 of the panel body 23 can be made clear to improve the design.
[0043]
Further, each of the units U1 to U5 constituting the board surface of the control panel 23 is formed into a block so that the shape when viewed from the front, in particular, the shape of the front portion 31 is rectangular, and the vertical and horizontal dimensions L1 of the rectangular shape. , L2 are substantially an integral multiple of the predetermined reference dimension L, are uniform, and can be freely changed in combination, so that the units U1 to U5 can be combined without gaps. In addition, it is possible to flexibly cope with a change in arrangement of the units U1 to U5, replacement and addition of the units, and the area utilization efficiency can be improved.
[0044]
FIG. 5 is a front view of a modified example of the control panel 21 according to the present embodiment, and the control panel 91 according to this modified example is a control panel that is larger than the control panel 21 described above. Panel 21 is incorporated with other units U6 and U7. As described above, when the control panel 21 is incorporated into the panel surface 91a of another control panel 91, the units U1 to U5 of the control panel 21 are standardized as described above. It is only necessary to provide a built-in hole for assembling the control panel 21 to be provided in accordance with the standard, and the manufacturing efficiency can be improved.
[0045]
In the present embodiment, the housing concave portion 33 for housing the input terminal 25 is provided in the front surface portion 31 of the unit U1, but such a housing concave portion 33 is not provided, and the connecting means 55 and the above-described connecting means 55 and the flat front surface portion 31 are provided. The safety switch 51 may be attached or embedded, and the input terminal 25 may be connected and fixed to the unit U1 with the input terminal 25 protruding from the front surface portion 31 of the unit U1.
[0046]
【The invention's effect】
As described above, according to the first aspect of the present invention, the input terminal can be removed from the main body as necessary, and the operation input necessary for controlling the external device can be performed through the input terminal. The input terminal is firmly fixed to the front part of the main body by the connecting means when it is attached to the main body, so that the input terminal does not shake as before, making it difficult to perform operation input. The operation input can be satisfactorily performed through the terminal.
[0047]
In addition, since the connection means is connected to and disconnected from the main body of the input terminal according to the operation of attaching and detaching the input terminal, the operator has to bother the input terminal and the main body when attaching and detaching the input terminal. There is no need to connect and disconnect, and operability is good.
[0048]
According to the first aspect of the present invention, when the input terminal is detached from the main body, the acceptance of operation inputs from at least some of the operation switches of the switch group provided on the main body is suspended by the detection means. Therefore, in a state where the input terminal is removed, for example, the operation switches of the operation switch group of the main body that cause confusion in the control when the operation input is performed independently between the main body and the input terminal are suspended. By doing so, it is possible to prevent control input from being performed independently from both the main body and the input terminal and causing confusion in control.
[0049]
In addition, since the detection means accepts the operation input from the predetermined operation switch of the main body by the detection means in response to the removal operation of the input terminal, the predetermined operation of the main body is accompanied with the removal operation. The input reception from the switch can be stopped reliably, and the operability is good because the operator does not have to change the input reception state of the operation switch of the main body.
[0050]
According to the second aspect of the present invention, since the input terminal is provided with a display unit that displays visual information necessary for control, for example, the visual recognition related to the setting state or the driving state of the external device to be controlled Information can be displayed, and even complex control can be performed well.
[0051]
According to the invention of claim 3, since the input terminal attached to the main body is accommodated in the accommodating recess of the main body, some obstacles contact the input terminal in the attached state and the input terminal Can be prevented, and the front part of the main body can be configured to be flat in the mounted state, so that the front part can be designed to be clean.
[0052]
According to the fourth aspect of the present invention, when the input terminal is mounted on the main body, the predetermined gap is formed between the input terminal and the inner peripheral surface of the housing recess. At the time of removal, the user can insert the hand into the gap portion to grip and remove the input terminal, and the operability at the time of removal is good.
[0053]
According to the invention described in claim 5 , since the drawn communication cable is rewound by the cable winding mechanism in response to a predetermined operation, the communication cable is purposely stored when the input terminal is mounted. Work is not necessary and operability is good, and the communication cable is wound up and stored on the take-up reel, so that the communication cable hangs down from the front of the main unit in the mounted state, and does not interfere with the operation input. The front surface of the main body can be cleaned to improve the design.
[0054]
According to the sixth aspect of the present invention, the main body of the control panel is blocked so that the surface shape when viewed from the front is a rectangular shape, and the vertical and horizontal dimensions of the rectangular shape are a predetermined standard. It is a substantially integral multiple of the dimensions and is uniform, and this control panel can be combined with other similarly standardized units such as input units with operation switches. When assembled in a large control panel, it can be arranged neatly without gaps with other units, and it is easy to replace and add units, and can easily accommodate changes and additions. Utilization efficiency can be improved.
[Brief description of the drawings]
FIG. 1 is a front view of a control panel according to an embodiment of the present invention.
FIG. 2 is a perspective view of the control panel of FIG.
3 is a cross-sectional view showing a state in which a locking member of an input terminal provided in the control panel of FIG. 1 is engaged with a connecting means of the panel main body.
4 is a cross-sectional view showing a configuration of a cable winding mechanism provided in the panel main body of the control panel of FIG. 1;
FIG. 5 is a front view of a modified example of the control panel of FIG. 1;
FIG. 6 is a perspective view of a conventional control panel.
7 is a cross-sectional view of a main part of the control panel in FIG. 6. FIG.
[Explanation of symbols]
21 control panel 23 panel body 25 input terminal 31 front surface portion 33 receiving recess 45 communication cable 49 locking member 51 safety switch 55 connecting means 61 gap portion 62 cable winding mechanism SW1 to SW7 operation switch

Claims (6)

A control panel for controlling a predetermined external device based on a predetermined operation input,
A main body and an input terminal that is detachably attached to the main body, and capable of transmitting and receiving signals necessary for controlling the external device between the main body by wire or wirelessly,
A connecting means for fixing the input terminal to the front portion of the main body by connecting to each other according to the mounting operation of the input terminal, and for releasing the connection between the input terminal and the main body according to the removing operation. Provided on the front surface of the main body and the input terminal,
The main body and the input terminal each have a predetermined operation switch group,
The main body is provided with detection means for detecting removal of the input terminal from the main body and stopping reception of the operation input from at least some operation switches of the operation switch group provided on the main body .
A first member and a second member related to the connecting means protrude from the back surface of the input terminal, and the first opening into which the first member is inserted and the second member are inserted into the main body. A second opening relating to the connecting means into which the member is inserted,
The detection means includes a switch provided in the first opening and detecting attachment / detachment of the input terminal from the main body by turning on / off in accordance with insertion and extraction operations of the first member. A control panel characterized by that. The control panel according to claim 1 , wherein the input terminal further includes a display unit that displays predetermined visual information necessary for controlling the external device . 3. The control panel according to claim 1 , wherein an accommodation recess for accommodating the input terminal fixed to the main body by the connecting means is provided in the front surface portion of the main body . At least a part of the peripheral edge portion of the housing recess of the main body is enlarged outward from the outer shape of the input terminal, and a predetermined gap is formed between the input terminal and the inner peripheral surface of the housing recess. The control panel according to claim 3, wherein The main body and the input terminal are connected by a communication cable,
The main body includes a cable take-up mechanism that sends out the communication cable in response to a drawing operation of the communication cable, and rewinds the communication cable sent in response to a predetermined operation. The control panel according to claim 1, wherein the control panel is provided. The main body is blocked so that the planar shape when viewed from the front is rectangular, and the vertical and horizontal dimensions of the rectangular shape are substantially an integral multiple of a predetermined reference dimension. The control panel according to claim 1, wherein the control panel is characterized in that:

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