JPH08305979A - Display operation unit of disaster prevention monitoring panel - Google Patents

Abstract

(57) [Abstract] [Purpose] To reduce costs and improve assembly by sharing parts of the display and operation unit. [Structure] Three types of display operation unit units 21, 22, 23
Is composed of dedicated display films 41, 42, 43, a common unit body 44 and a dedicated printed circuit board 45, and can be attached to the unit mounting panel 46 as required.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises at least one of a fire alarm display operation unit unit, a smoke emission display operation unit unit, and a gas leak display operation unit unit. The present invention relates to a display operation unit unit of a disaster prevention monitoring panel that intensively monitors a detection signal such as a fire.

[0002]

2. Description of the Related Art FIG. 6 is a front view of a disaster prevention monitoring board according to a conventional example. In FIG. 6, the disaster prevention monitoring panel has a display unit 1 with various indicator lights arranged on the upper portion thereof, and a display operation unit 2 arranged below the display unit 1. The display unit 1 includes a representative indicator light 3 for displaying the occurrence of a fire, a gas leak, and an operating state of a control device, a fire area indicator light 4, a unique signal indicator light 5, a control area indicator light 6, a gas leak area indicator light 7, It has a disability area indicator light 8 etc.

The display operation unit 2 is composed of a display operation unit 2a used by a user and a maintenance operation unit 2b used by an inspector who performs maintenance. The maintenance operation unit 2b is normally closed. , If necessary, open the cover and operate the switch. FIG. 7 is an example of the display operation unit 2a of FIG. In FIG. 7, the display operation unit 2a is divided into a fire alarm display operation unit 11, a smoke emission display operation unit 12, and a gas leakage display operation unit 13. In this way, for fire alarms,
Three display operation units 11, 1 for smoke prevention and gas leakage
The disaster prevention monitoring board including all 2 and 13 is generally called a combined board. In addition, the display operation unit 1 for fire alarm and smoke prevention
The disaster prevention monitoring board provided with 1 and 12 is generally called a composite board. In addition to this, there is a fire alarm dedicated panel provided with only the fire alarm display operation unit 11. Further, a monitoring panel composed of a combination of display and operating units 11 and 13 for fire alarm and gas leak, a monitoring panel having only a display and operating unit 12 for smoke prevention, a display and operating unit 12 for smoke emission and gas leakage , 13 and a monitoring panel including only the gas leak display operation unit 13. That is, a total of 7 combinations of display operation units are required.

[0004]

However, in the conventional disaster prevention monitoring panel, a dedicated sheet metal chassis panel is prepared by sheet metal processing for each combination of one or a plurality of types of display operation units, and the disaster prevention monitoring panel is prepared. Since this panel is selectively used according to the type, the number of types of the panel is increased to 7 types at the maximum, resulting in increased cost and complicated storage and management.

Further, since the indicator lamp, the switch, the voltmeter, etc. were directly attached to the painted chassis panel after the sheet metal working, the wiring work was complicated, and the assembly was complicated and required a lot of man-hours.
There is also a problem that the manufacturing cost becomes high. The present invention has been made in view of such conventional problems, and an object thereof is to display a disaster prevention monitoring panel capable of improving the assembling property and reducing the cost by sharing the components of the display operation unit. To provide an operation unit.

[0006]

DISCLOSURE OF THE INVENTION First, the present invention comprises at least one of a fire alarm display / operation unit unit, a smoke control display operation / operation unit unit, and a gas leakage display operation / operation unit unit for disaster prevention monitoring. This is intended for the display operation unit of the disaster prevention monitoring panel that intensively monitors the detection signals from the area.

As a display operation unit of such a disaster prevention monitoring board, the present invention firstly includes a unit body mounted on a unit mounting panel of the disaster prevention monitoring board. This main unit is made of resin and has openings such as display windows and switch windows that are required for the fire alarm display operation unit, smoke emission display operation unit, and gas leak display operation unit. Among them, the maximum number of openings are formed in advance.

A display film is attached to the front surface of the main unit, and the display film has characters and marks used for the fire alarm display operation unit, smoke emission display operation unit, or gas leakage display operation unit. , Symbols, etc. are printed and displayed. Furthermore, on the rear surface of the unit body,
The printed circuit board is mounted. The unit body has a first claw portion for locking the printed circuit board, and a second claw portion for press-fitting and locking in the opening of the unit mounting panel, at a location facing the rear surface of the unit body. There is. This second
The claw portion has a tapered shape that expands as it is pressed into the panel opening.

The unit mounting panel of the disaster prevention monitoring panel has openings corresponding to the number of display / operation unit units to be mounted.

[0010]

In the present invention, for fire alarm, smoke prevention,
When assembling each display operation unit for gas leakage, attach a special display film to the front of the common unit body. In addition, a dedicated printed circuit board is mounted on the rear surface of the unit body. At this time, the elasticity of the first claw formed on the rear surface of the unit main body, which is a resin molded product, is used to press fit the printed circuit board between the first claws facing each other so as to open the first claw. Then, the printed board is pressed and sandwiched by the first claw portions facing each other.

Then, the unit main body in which the display film and the printed circuit board are attached to the front surface and the rear surface is attached to the opening of the unit attachment panel fixed to the disaster prevention monitoring board side. At this time, the elasticity of the second claw portion is used to press the second claw portion inward and press the unit main body into the opening of the unit mounting panel. After the press-fitting, the restoring force that the second claw portion expands outward causes the second claw portion to be press-fitted into the edge of the opening, whereby the unit main body is stably held by the unit mounting panel. Here, the second claw portion has a tapered shape so that a dimensional error between the opening and the unit body can be absorbed.

Further, in the case of a disaster prevention monitoring panel provided with a single display / operation unit, prepare only one unit mounting panel having a single opening, and attach a predetermined display / operation unit to it. To do. Further, in the case of a composite board in which two types of units are mounted, one unit mounting panel having two openings is prepared, and similarly, a predetermined display operation unit is mounted in each opening.

Further, in the case of a combination board equipped with three types of operation units, a unit mounting panel having one opening is provided,
Unit attachment panels having two openings are provided in parallel, and three types of display operation unit units are attached to the three openings.

[0014]

FIG. 1 is a front view of a disaster prevention monitoring board according to a first embodiment of the present invention. The disaster prevention monitoring panel 20 shown in FIG. 1 has three types of displays: a fire alarm display operation unit unit 21, a smoke prevention / exhaust smoke (for interlock operation panel) display operation unit unit 22, and a gas leak display operation unit unit 23. It is a combined board equipped with an operation unit.

FIG. 2 is a front view of the disaster prevention monitoring board according to the second embodiment of the present invention.
It is a composite board provided with two types of display operation section units, that is, a display operation section unit 21 for a fire alarm and a display operation section unit 22 for smoke prevention (for a linked operation panel). FIG. 3 is an enlarged front view of the display operation unit of the disaster prevention monitoring panel 20 shown in FIG.

In the case of the display / operation unit of the combined board of FIG. 3, two unit mounting panels 46 and 48 are used,
The fire alarm display operation unit 21 and the smoke proof (for interlock operation panel) display operation unit 22 are attached to the unit installation panel 46, and the gas leakage display operation operation unit 23 is attached to the unit installation panel 48. . Further, the unit mounting panel 46 is provided with a sound stop button 24 common to the fire alarm, the interlocking operation panel and the gas leak fire alarm at the right corner.

Display operation unit units 21, 22, 23
Has dedicated display films 41, 42 and 43 attached to the front surface. A fire mark 41a is printed on the display film 41 of the fire alarm display operation unit unit 21 so that it can be seen at a glance that it is for a fire alarm. In addition, the name of the district sound stop is printed, and further, each name display symbol of various states of the panel such as AC power supply, standby power supply, accumulating, transmitter, telephone, switch caution, sensing circuit disconnection, fuse disconnection, etc. Five display symbols are printed. Reference numeral 25 is a district sound stop switch.

A smoke-proof mark 42a is printed on the display film 42 of the smoke-proof display / operation section unit 22, and an AC power supply, a standby power supply, a storage, a switch caution,
Names and display symbols of various states of the panel such as disconnection of sensing lines and blown fuses, and five display symbols are printed. A gas leak mark 43a is printed on the display film 43 of the display operation unit unit 23 for gas leak, and each name and display symbol of each state of the panel such as AC power supply, standby power supply, switch caution, detection failure, fuse blowout, etc. Is printed. In this case, there are no display symbols.

FIG. 4 is an exploded view of the display / operation unit according to the embodiment of the present invention. As shown in FIG. 4, the display operation unit 21 (22, 23) includes a unit body 44 made of a resin molded product, and the display film 41 (42, 43) attached to the front surface of the unit body 44.
And a dedicated printed circuit board 45 mounted on the rear surface of the unit main body 44. Printed circuit board 4
5 has the same shape, but the parts to be mounted are dedicated ones for a fire alarm, smoke prevention, and gas leakage.

The unit main body 44 having the display film 41 (42, 43) attached to the front surface and the printed circuit board 45 attached to the rear surface is inserted into the opening 46a of the sheet metal unit mounting panel 46 fixed to the disaster monitoring panel side. It is designed to be press-fitted and locked. The unit main body 44 is common to all the display operation unit units 21, 22, 23 shown in FIG. 3, and the mark window 44a is provided so as to irradiate light from the back surface of each mark 41a, 42a, 43a shown in FIG. Is formed above one side portion, and a switch window 44b is formed below the mark window 44a. Furthermore, in the center,
A large number of display windows 44c for irradiating light from the back surface are formed on the symbols for displaying various states of the display film shown in FIG.

In this embodiment, the display window 44c has five vertical display windows arranged in three horizontal rows. Of these, the left two columns of display windows 44c are used for displaying the states of various boards, and the right one column is used for the various displays, as shown in FIG.
Further, the number of the display windows 44c can be used as a common unit of the fire alarm display operation unit unit 21, the smoke emission display operation unit unit 22 and the gas leakage display operation unit unit 23, and therefore the maximum number of them is possible. A display window for several minutes is provided. In the unit body 44, in addition to the display window 44c,
Appropriate openings can be provided as needed.

On the rear surface of the unit main body 44, first claw portions 44d are formed correspondingly at the upper and lower two places respectively. On the other hand, on the rear surface of the unit main body 44, second claw portions 44e are formed correspondingly to each of two left and right portions thereof. FIG. 5 is a configuration diagram of the display operation unit unit 21 (22, 23) shown in FIG.
FIG. 5A is a diagram showing how the unit main body 44 is attached to the unit mounting panel 46, and FIG.
4 is a front view of FIG. 4, FIG. 5C is a view showing how the printed circuit board 45 is mounted on the unit main body 44, and FIG. 5D is a cross-sectional view of a main part of the display operation unit 21 (22, 23).

As shown in FIG. 5B, the first claw portion 44
d is formed near the upper and lower four corners in the figure, and the second claw portion 44e is formed near the left and right four corners in the figure. As shown in FIG. 5A, the second claw portion 44
e has a two-sided tapered shape, and when the unit main body 44 is attached to the unit attachment panel 46, the opening 46a is formed.
The tapered surface of the second claw portion 44e is pushed by the edge of the second claw portion 44e, and the second claw portion 44e is slightly pushed inward against its elasticity.

Therefore, the second claw portion 44e and the opening portion 46a are formed.
Since the edges of the unit are pressed against each other, the unit main body 44 can be press-fitted into the opening 46a of the unit mounting panel 46 and stably held. At this time, even if there is a slight gap between the opening 46a and the unit body 44, the second claw 44
Since e is tapered, there is no play and both can be engaged.

As shown in FIG. 5C, the printed circuit board 4
5 is attached to the unit body 44, the first claw portion 44
The printed circuit board 45 is held by d. That is,
The printed circuit board 45 is press-fitted so that the first claw portions 44d facing each other are widened. As a result, the printed circuit board 45 is mounted on the unit body 44. Figure 5 (d)
As shown in FIG. 3, the marks 41a (42a, 43a) of the display film 41 (42, 43) are designed to transmit light, and the chip LE mounted on the printed circuit board 45 is mounted.
The light from D45a is applied to the back surface of the mark 41a (42a, 43a) through the mark window 44a. In addition, the symbols for displaying various states of the board and the symbols for displaying other than the marks 41a (42a, 43a) of the display film 41 (42, 43) are also configured to allow light to pass through the printed board. The back surface of the symbol is irradiated with light from the chip LED mounted on the backside of the symbol through the display window 44c, and the display is performed by backlight illumination.

Now, returning to FIG. 4 again, the assembly of the display / operation unit 21 (22, 23) of this embodiment will be described. First, when the display operation unit is the fire alarm display operation unit 21, the fire alarm display film 41 is selected and attached to the front surface of the unit body 44 (direction of arrow a). Next, a chip LED dedicated to fire alarms
The printed circuit board 45 on which components such as the above are mounted is mounted on the rear surface of the unit main body 44 using the first claw portion 44d (direction of arrow b). The independent fire alarm display / operation unit 21 thus completed is press-fitted and locked into the opening 46a of the unit mounting panel 46 using the second claw 44e (direction of arrow c).

In the case of the smoke-proof display / operation section unit 22, the display film 42 for the smoke-proof display / operation section is selected and assembled in the same manner. In the case of the gas leak display operation unit 23, the display film 4 for the gas leak display operation unit
Select 3. The unit mounting panel 46 is shown in FIG.
As described above, two openings for mounting the fire alarm display operation unit unit 21 and the smoke prevention / exhaust smoke prevention display operation unit unit 22 are formed, but the unit mounting panel 48 includes the gas leak display operation unit. Since only the unit 23 is mounted, only one opening is required, and the mounting structure and assembly are exactly the same as in FIG.

In the case of the composite board of FIG. 2, only the unit mounting panel 46 having the two openings 46a is required, and the fire alarm display operation unit 21 and the smoke emission display are provided in the respective openings 46a. The operation unit 22 may be attached. Furthermore, when the disaster prevention monitoring panel is provided with only a single display / operation unit, for example, when only the fire alarm display / operation unit 21 is provided, a unit mounting panel with only one opening is used as the disaster monitoring panel. The fire alarm display / operation unit 21 may be provided on the unit mounting panel.

As described above, according to the present invention, the display operation section units 21, 22, 23 of different types are independently provided and attached to the disaster prevention monitoring panel as required to form a plurality of combinations of operation sections. Therefore, various disaster prevention monitoring boards can be constructed with a small number of parts. In the above embodiment, the unit main body 44 is provided with the mark window 44.
Although the case where a, the switch window 44b, and the display window 44c are provided is taken as an example, an appropriate number of windows can be provided as necessary.

[0030]

As described above, according to the present invention, various display operation unit units are constituted by a dedicated display film, a common unit body and a dedicated printed circuit board, and a unit mounting panel is provided as necessary. Since a plurality of combinations of display and operation parts can be freely configured with a small number of parts, the manufacturing cost can be reduced.

Further, the display operation unit can be easily assembled by simply attaching the display film to the unit body and press-fitting the printed circuit board into the unit body. Further, this display operation unit unit is also press-fitted into the unit mounting panel. Therefore, it is possible to improve the assembly efficiency of the display operation unit. Further, a plurality of types of display operation unit units can be appropriately combined to easily form a display operation unit corresponding to various disaster prevention monitoring boards.

[Brief description of drawings]

FIG. 1 is a front view of a disaster prevention monitoring board (joint board) according to a first embodiment of the present invention.

FIG. 2 is a front view of a disaster prevention monitoring board (composite board) according to a second embodiment of the present invention.

FIG. 3 is an enlarged front view of a display operation unit of the disaster prevention monitoring panel shown in FIG.

FIG. 4 is an exploded view of a display / operation unit according to an embodiment of the present invention.

5 is a configuration diagram of the display operation unit shown in FIG.

FIG. 6 is a front view of a disaster prevention monitoring board according to a conventional example.

FIG. 7 is a front view showing an example of a conventional operation unit.

[Explanation of symbols]

 21: Fire alarm display operation unit 22: Smoke prevention display operation unit 23: Gas leak display operation unit 41, 42, 43: Display film 41a, 42a, 43a: Mark 44: Unit body 44a: Mark window 44b: Switch window 44c: Display window 44d: First claw portion 44e: Second claw portion 45: Printed circuit board 46, 48: Unit mounting panel 46a: Opening portion

Claims (4)

[Claims] 1. A fire alarm display operation unit, at least one of a smoke emission display operation unit, and a gas leak display operation unit are provided to centrally detect signals from the disaster prevention monitoring area. In the display operation unit of the disaster prevention monitoring panel to be monitored, for the display window and switch necessary for each of the fire alarm display operation unit, smoke prevention display operation unit and gas leakage display operation unit Unit body that is resin-molded with the maximum number of openings, such as windows, and is attached to the unit mounting panel of the disaster prevention monitoring panel, fire alarm display operation unit, smoke prevention smoke display A display film for printing characters, marks, symbols, etc. used on the operation unit unit or the gas leakage display operation unit unit and affixing to the front surface of the unit body, and the unit body A printed circuit board mounted on the rear surface,
The display and operation unit of the disaster prevention monitoring panel, which is characterized by being equipped with. 2. The display / operation unit of the disaster prevention monitoring panel according to claim 1, wherein the unit body is provided at a location facing the rear surface of the unit body.
A display operation of a disaster prevention monitoring panel, characterized in that a first claw portion for locking the printed circuit board is formed and a second claw portion for press-fitting and locking the opening portion of the unit mounting panel is formed. Department unit. 3. The display operation unit of the disaster prevention monitoring panel according to claim 2, wherein the second claw portion has a taper shape that expands as it is pressed into the opening. Display operation unit of disaster prevention monitoring panel. 4. The disaster prevention monitoring panel display operation unit according to claim 1, wherein the unit mounting panel of the disaster prevention monitoring panel has openings corresponding to the number of units to be mounted. Display operation unit of the panel.