JPH0962969A - Disaster prevention monitoring panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily remove a transparent cover of a region display part without using a jig such as an ordinary screw driver in an operation display panel. SOLUTION: The display frame 44 of the region display part 41 is formed at the operation display panel to be in a recessed state. A Chamfer part 52 is formed at the center of the right or left side of the display frame 44, and a pair of engaging grooves 53 and 54 are formed at the respective upper terminal sides and the lower terminal sides of the right and left sides. A pair of projections 46 and 48 to be engaged with the pair of engaging grooves 53 and 54 are formed at the right and left sides of the transparent cover 45 in the shape of a thin sheet which is to be fitted to the display frame 44 from outside in freely attachably and detachably.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disaster prevention monitoring board having a display panel arranged on the front surface of a housing body and having a plurality of district display portions.

[0002]

2. Description of the Related Art As a structure of a district display portion of a conventional disaster prevention monitoring panel such as a fire receiver, for example, one described in Japanese Utility Model Publication No. 3-17892 filed by the present applicant is known. . FIG. 10 shows one of a plurality of district display parts provided on the display panel arranged in front of the fire receiver by taking out and displaying, and the district display part 1 is provided with a fire display window 2 and a disconnection display window 3. Together with the display frame 4 on the right side
Is integrally formed when the upper lid is molded. A transparent cover 5 shown by a broken line is attached to the display frame 4 as shown by a transparent cover 5A for the display frame 4. When the transparent cover 5 is attached to the display frame 4, the display sheet on which the district name is printed is made to match the display frame 4, and the transparent cover 5 is attached in that state.

The transparent cover 5 is attached to the area display portion 1 as shown in FIG. 10, and the protrusion 6 provided on the lower side of the transparent cover 5 is attached to the lower side of the display frame 4 as shown in FIG. As shown in FIG. 5A, the transparent cover 5 is obliquely inserted into the engagement receiving portion 7 of FIG. 10, and then the upper side of the transparent cover 5A is pushed in as indicated by the arrow, and the projection 6 on the upper portion is displayed. The upper and lower engaging receiving portions 7 of the transparent cover 5 are engaged with the engaging receiving portions 7 so that the upper and lower protrusions 6 of the transparent cover 5 can be held in the mounted state.

On the other hand, when removing the transparent cover 4 attached to the district display unit 1, as shown in FIG. 13, the tip of a flat-blade screwdriver 9 is pushed into the notch 8 formed on the right side of the display frame 4. When inserted, the tip of the minus driver 9 enters inside the tapered edge 10 formed on the right side of the transparent cover 4 as apparent from FIG. 12, and the minus driver 9 is inserted to easily remove the transparent cover 5 from the display frame 4. be able to. That is, since the transparent cover 5 is only engaged with the upper and lower engagement receiving portions 7 on the side of the display frame 4 by the upper and lower protrusions 6, it can be easily removed by inserting the minus driver 9.

Next, as another conventional structure of the area display portion, there is a structure described in, for example, Japanese Utility Model Publication No. 4-24194. 14 to 16, 11 is a display unit of the fire receiver, and the display unit 11 is a plurality of display devices 12.
It consists of. A window frame 13 has a recess 14 and a bearing hole 15 formed therein. The bearing hole 15 is formed on the inner surface of the window frame 13 so as to penetrate therethrough on the same axis.

Reference numeral 16 is a support shaft 17 which is loosely fitted in the bearing hole 15.
The window plate 16 can be opened and closed by rotating around the support shaft 17 as a fulcrum. Support shaft 1 for window plate 16
On the opposite side of 7, there are upper and lower claw pieces 18 and a notch 19 formed between the claw pieces 18. Further, the window frame 13 has a recess 14
An insertion groove 20 is formed on the outer side of the window frame 16 so that the window plate 16 can be attached to and detached from the window frame 13. Further, the window plate 16 is provided with a locking piece 21 with which the claw piece 18 of the window plate 16 is locked and the notch 1 of the window plate 16.
A protrusion 22 with which 9 is engaged is formed. In addition, window frame 1
3 is formed with a notch 23 for removing the window plate 16 by installing a flat-blade screwdriver or the like. Reference numeral 24 is an indicator light mounted on the printed circuit board 28.

When the window plate 16 is attached to the window frame 13,
First, the display sheet 26 is put in the recess 14 of the window frame 13, the support shaft 17 of the window plate 16 is loosely fitted in the bearing hole 15 of the window frame 13, and the window plate 16 is mounted in the insertion groove 20. Nail piece 1
8 is locked to the locking piece 21 of the window frame 13, the notch 19 of the window plate 16 is engaged with the projection 22 of the window frame 13, and the window plate 16 is attached to the window frame 13. In the closed state of the window plate 16, the support shaft 17 of the window plate 16 on one end side restricts the movement of the support shaft 17 of the window plate 16 on the other side to lock the removal of the window plate 16 on the other side. When removing the window plate 16, a jig such as a flat-blade screwdriver is inserted into the notch 23 of the window frame 13 and removed. When the window plate 16 is removed, it is removed in order from the upper side.

[0008]

However, since the transparent cover and the window plate must be removed by using a jig such as a flat-blade screwdriver in the area display portion of such a conventional disaster prevention monitoring board, it is necessary to remove the transparent cover and the window board. I couldn't remove it easily, and the workability was bad. In the former case, the upper and lower sides of the display frame are provided with engagement receiving portions, the upper and lower sides of the transparent cover are provided with protrusions that engage with the engagement receiving portions, and the left and right sides are provided for inserting a flat-blade screwdriver. Since a tapered edge must be formed, and in the latter case, a bearing hole must be formed in the window frame, and a support shaft must be formed on the upper and lower sides of the window plate. There was also the problem of rising. Furthermore, in the latter case, when removing one window plate, it has to be removed from all the upper window plates in order, and there is a problem that it takes time to remove. Furthermore, both transparent covers,
Since the window plate is small, it is easy to lose it, and if it is lost, it is a dedicated part and had to be ordered.

The present invention has been made in view of such conventional problems, and the transparent cover can be easily removed by hand without using a jig such as a flat-blade screwdriver. It is an object of the present invention to provide a disaster prevention monitoring panel having a district display section that is simple and can reduce costs, and that does not take time and effort to remove.

[0010]

In order to achieve this object, the present invention is configured as follows. First, the present invention is
The target is a disaster prevention monitoring board that has a plurality of district display units on the display panel arranged on the front surface of the housing body. In the present invention for such a disaster prevention monitoring panel, the display frame of the district display section is formed in the display panel so as to have a concave shape, and a cutout is formed in the center of the right side or the left side of the display frame, and the right side and A pair of engagement grooves is formed on each of the upper end side and each lower end side of the left side, and a pair of protrusions that engage with the pair of engagement grooves are formed on the right side and the left side of the transparent cover that is detachably attached to the display frame from the outside. It is characterized by having done.

Further, in the present invention, the transparent cover is formed into a thin sheet shape with a synthetic resin so as to be curved when it is attached to or removed from the display frame. Therefore, the transparent cover can be easily removed by hand without using a jig such as a flat-blade screwdriver, and the workability can be improved. Moreover, since the structure is simplified, the cost can be reduced.

Further, even if the transparent cover is lost,
Since a sheet made of a transparent synthetic resin can be obtained at the site, it can be substituted by cutting the sheet into a similar shape.

[0013]

1 is a front view of a disaster prevention monitoring board according to the present invention. In FIG. 1, 31 is a resin-molded upper door, and the upper door 31 is an electric circuit unit having a resistor, a buzzer, and the like, which is housed in a housing body that houses a power transformer, a battery, and the like, and a sensing unit. It is screwed and fixed to the housing body so as to cover the printed circuit board on which terminals for connecting signal lines from the outside to which the devices and the like are mounted and the operation display panel 40 arranged on the printed circuit board are covered.

The front surface of the operation display panel 40 is arranged so as to appear on the front surface of the upper door 31 through the display window 31A of the upper door 31. A fire representative light window 32 is provided above the operation display panel 40. An acoustic hole 33 is formed on the lower right side of the fire representative light window 32 of the operation display panel 40, and an alarm is output from the acoustic hole 33 from a buzzer provided on the printed board on the back side of the acoustic hole 33.

A sound stop switch 34 is provided below the sound hole 33 of the operation display panel 40. When the sound stop switch 34 is turned on, the buzzer stops ringing. Reference numeral 35 denotes a district sound stop switch. When the district sound stop switch 35 is turned on, the ringing of the district sound is stopped. When the district sound stop switch 35 is turned on, the district sound stop light 36 on the left side of the district sound stop switch 35 blinks. 37 is an AC power supply lamp, and the AC power supply lamp 37 lights up when AC power is applied. Reference numeral 38 is a failure indicator light such as a wire break, which lights up when a wire break occurs. Reference numeral 39 denotes a cover provided on the upper door 31 so as to be openable and closable, and various operation switches and the like used at the time of maintenance and inspection are provided inside the cover 39.

On the lower right side of the fire representative light window 32 of the operation display panel 40, five district display parts 41 are provided. Each of the district display portions 41 is provided with a district display light window 42. A display frame 44 is integrally formed on the right side of the district display lamp window 42 of the five district display portions 41 when the operation display panel 40 is resin-molded. A region, for example, a sheet of paper such as a dining room on the second floor in which characters are printed is put in the display frame 44, and a transparent cover is attached to the display frame 44 from above the sheet.

As shown in FIG. 2, the transparent cover 45 is made of a rectangular sheet member, and is made of synthetic resin (for example, vinyl chloride) in a thin sheet shape. Since the transparent cover 45 has a thin sheet shape, when it is held by a hand and both left and right ends are pressed with fingers, the transparent cover 45 is curved at the center. The transparent cover 45 is formed to have a thickness of, for example, about 0.5 mm and is very thin, so that the transparent cover 45 can be easily curved without being damaged.

A pair of laterally projecting projections 46 is formed at the upper end of the right side and the lower end of the right side of the transparent cover 45.
A recess 47 is formed between the protrusions 46. In addition, a pair of protrusions 48 protruding in the lateral direction are formed on the upper end of the left side and the lower end of the left side of the transparent cover 45, and a recess 49 is formed between the protrusions 48.
The lateral length of the protrusions 46 and 48 is, for example, 1.25 mm
The degree. If the lateral lengths of the protrusions 46 and 48 are too long, the transparent cover 45 cannot be easily attached and detached, and if too short, the transparent cover 45 may come off after the transparent cover 45 is attached. The horizontal width of the protrusions 46 and 48 in the vertical direction is, for example, 3.5 mm. The vertical width of the protrusions 46 and 48 is too large,
If it is too small, it becomes difficult to attach and detach it in the same manner, and there is a risk that it will come off after attachment.

Next, FIG. 3 is a front view showing one of the district display portions 41 of the operation display panel 40 shown in FIG. In FIG. 3, a fire display lamp window 42 is provided in the district display section 41, and a display frame 44 is integrally formed on the right side thereof when the operation display panel 40 is resin-molded. The display frame 44 is formed in the operation display panel 40 so as to have a concave shape, and the opening 50 of the display frame 44 is formed.
A bottom portion 51 having a predetermined depth is formed. Opening 5
A notch 52 having a width of the fingertip is formed in a taper shape toward the bottom 51 in the center of the right side of 0. When the transparent cover 45 is removed from the display frame 44, the notch 52 is formed in the recess 47 on the right side of the transparent cover 45. It allows people's fingertips to be inserted. A pair of engagement grooves 53 are formed at the upper and lower ends of the right side of the bottom portion 51, and the transparent cover 4 is provided in the engagement grooves 53.
The protrusion 46 on the right side of 5 is engaged. Further, a pair of engagement grooves 54 are formed on the upper and lower ends of the left side of the bottom portion 51, and the protrusion 48 on the left side of the transparent cover 45 engages with the engagement grooves 54. An engagement receiving portion 55 is formed between the engagement grooves 54 on the left side, and the transparent cover 45 is formed in the engagement receiving portion 55.
The recess 49 on the left side of is fitted. In addition,
Since the depth of the bottom portion 51 may be such that the sheet and the transparent cover 45 are inserted, the depth can be made shallow and the operation display panel 40 can be made thin.

FIG. 4 is a sectional view taken along the line AA of the district display portion 41 shown in FIG. 3. Molding is performed so that a bottom portion 51 having a predetermined depth is formed in the opening portion 50 of the display frame 44. Engaging grooves 54 are formed on the upper and lower ends of the bottom 51, respectively, and an engaging receiving portion 55 is formed between the engaging grooves 54. FIG. 5 shows the district display section 41 of FIG.
The BB cross section of the display frame 44 is shown.
A bottom portion 51 having a predetermined depth is formed, and a notch 52 is formed in a tapered shape on the right side of the opening 50 toward the bottom portion 51.

FIG. 6 is a sectional view taken along line CC of the district display section 41 of FIG. 3, in which an engaging groove 53 is formed on the right side of the bottom portion 51, and the engaging groove 53 has a protrusion on the right side of the transparent cover 45. 46 engages. An engagement groove 54 is formed on the left side of the bottom portion 51, and the protrusion 48 on the left side of the transparent cover 45 is formed in the engagement groove 54.
Engage. Next, the operation will be described.

First, a paper sheet for displaying a district is put in the display frame 44 of the district display section 41 shown in FIG. Next, a transparent cover 4 is placed on the display frame 44 from above the sheet showing the district.
Attach 5. As shown in FIG. 7, the central portion of the transparent cover 45 is curved by holding the vicinity of the recesses 47 and 49 on the right side and the left side of the transparent cover 45 with fingers. With the transparent cover 45 curved, the protrusion 46 on the right side and the protrusion 48 on the left side of the transparent cover 45 are attached to the bottom portion 51 of the display frame 44.
The transparent cover 45 is lightly pushed into the display frame 44 so that the transparent cover 45 is inserted into the engaging groove 53 on the right side and the engaging groove 54 on the left side, and thus the protrusion 46 on the right side of the transparent cover 45 engages on the left side of the bottom portion 51 of the display frame 44. The transparent cover 4 is fitted into the groove 53.
The protrusion 48 on the left side of No. 5 fits into the engaging groove 54 on the left side of the bottom portion 51 of the display frame 44.

By doing so, the transparent cover 45 can be easily and surely attached to the display frame 44. Next, when removing the transparent cover 45 attached to the display frame 44, by inserting the fingertip from the notch 52 and pushing the recess 47 of the transparent cover 45 to the left, the transparent cover 4 is removed.
5 is curved, the projection 46 on the right side of the transparent cover 45 and the engagement groove 53 on the right side of the bottom 51 of the display frame 44 are disengaged,
Next, by removing the protrusion 48 on the left side of the transparent cover 45 from the engagement groove 54 on the left side of the bottom portion 51 of the display frame 44, the transparent cover 45 can be easily removed from the display frame 44 by hand. In the conventional example, the transparent cover could not be removed without using a jig such as a flat-blade screwdriver, but in the present invention, the transparent cover 45 can be easily attached by hand to the display frame 44.
Can be removed from.

Further, in the present invention, the notch 52 is formed at the center of the right side of the display frame 44, and the engaging grooves 53 and 54 are formed at the upper and lower ends of the right side and the left side, respectively, while transparent. Protrusions 46, 48 on the right and left sides of the cover 45
Since it is only necessary to form the structure, the structure is simpler than the conventional structure, and the cost can be reduced. Furthermore, in another conventional example, the movement of the support shaft of the window plate on the other side is restricted by the display frame shaft of the window plate on the one side to lock the removal of the window plate on the other side. However, when removing one window plate, it has to be removed sequentially from the top, but in the present invention, the transparent cover 45 can be easily removed in any area display section 41. As a result, workability can be improved.

As is clear from FIG. 2, the transparent cover 45 used in the present invention has a symmetrical structure both in the left-right direction and in the vertical direction in which the projections 46 and 48 are provided on the right side and the left side. There is no distinction between the transparent cover 45 attached to the display frame 44 of the display unit 41, which is the front side, which is the back side, and which is the upper side and which is the lower side. , Workability is good. Moreover, since the thickness of the display frame 44 can be reduced, the operation display panel 40 can be reduced in thickness.

Further, since the transparent cover 45 is formed of a thin sheet of synthetic resin, for example, vinyl chloride, even if it is lost, a similar member can be obtained on site to cut it into the same shape. can do. It is easier to handle on-site compared to conventional products that require only special parts. In the above embodiment, the district display unit 41 is integrally formed with the operation display panel 40, but may be integrally formed with the upper door 31. Further, the operation display panel 40 and the upper door 31 may be integrally formed.

Next, FIG. 8 is a view showing another area display portion, and FIG. 9 is an explanatory view of attachment. In FIGS. 8 and 9, reference numeral 41 denotes a district display unit, and a display frame 44 of the district display unit 41 is a display frame 44 in which a sheet displaying the district is put.
-1 and the display frame 44-2 having the district indicator light window 42. The engaging groove 5 is provided on the right side of the bottom of the display frame 44-1.
3 is formed, and an engagement groove 54 is formed on the left side of the bottom of the display frame 44-2. Sheet 5 in display frame 44-1
6 is put in the display frame 44-2, and the district display window 42
A portion 57A corresponding to is thinly attached to a diffuse reflection seal 57, and in this state, the transparent cover 45 is attached to the display frame 44. Other configurations are similar to those of FIGS. 1 to 7, and similar effects can be obtained.

In FIGS. 1 to 7 and 8 to 9, the surface of the transparent cover 45 is textured. As a result, since the light from the front can be absorbed, the characters on the sheet 56 displaying the district name can be easily seen.

[0029]

As described above, according to the present invention, the transparent cover can be easily attached to the display frame by hand.
It can be removed, and it is not necessary to use a jig such as a flat-blade screwdriver as in the conventional case, and workability can be improved. In addition, since the structure is simpler than that of the conventional one, the cost can be reduced. Furthermore, even if you lose the transparent cover, you can get it at the installation site if it is a sheet made of transparent synthetic resin,
It can be substituted by cutting the sheet into the same shape.

[Brief description of drawings]

FIG. 1 is a front view of a disaster prevention monitoring panel of the present invention.

FIG. 2 is a front view of a transparent cover.

[Figure 3] Front view of the district display

4 is a sectional view taken along line AA of FIG.

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a sectional view taken along the line CC of FIG. 3;

FIG. 7 is an explanatory view of attaching a transparent cover.

[Figure 8] Figure showing another area display

FIG. 9 is an explanatory diagram of mounting

[Figure 10] Explanatory drawing of the conventional district display section

11 is a sectional view taken along line YY of FIG.

12 is a sectional view taken along line XX of FIG.

FIG. 13 is an explanatory view of removing a conventional transparent cover.

FIG. 14 is a cross-sectional view of another conventional display device.

FIG. 15 is a vertical sectional view of another conventional display device.

FIG. 16 is a front view of another conventional display device.

[Explanation of symbols]

 31: Upper door 31A: Display window 32: Fire representative light window 33: Acoustic hole 34: Acoustic stop switch 35: District acoustic stop switch 36: District acoustic stop light 37: AC power supply light 38: Obstacle indicator light 39: Cover 40: Operation display panel 41: District display section 42: District display light window 44, 44-1, 44-2: Display frame 45: Transparent cover 46, 48: Protrusion 47, 49: Recessed portion 50: Opening portion 51: Bottom portion 52: Off Notch 53, 54: Engagement groove 56: Seat 57: Seal 57A: Part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akio Adachi 2-1043 Kamiosaki, Shinagawa-ku, Tokyo Hochiki Co., Ltd. (72) Akio Yokoshima 2-1043 Kamiosaki, Shinagawa-ku, Tokyo Issue Ho Chiki Co., Ltd. (72) Inventor Shinki Omori 2-1043 Kamiosaki, Shinagawa-ku, Tokyo Hochiki Co., Ltd. (72) Genji Mitsuse 2-1043 Kamiosaki, Shinagawa-ku, Tokyo Ho Chiki Co., Ltd. (72) Inventor Kazutoshi Ohno 2-1043 Kamiosaki, Shinagawa-ku, Tokyo Tokyo Ho Chiki Co., Ltd.

Claims (2)

[Claims] 1. A disaster prevention monitoring panel comprising a plurality of district display portions on a display panel arranged on the front surface of a casing body, wherein a display frame of the district display portion is formed in a concave shape on the display panel. A notch is formed in the center of the right side or the left side of the display frame, and a pair of engagement grooves is formed on the upper end side and the lower end side of the right side and the left side, respectively, and the display frame is detachably attached from the outside. A disaster prevention monitoring board characterized in that a pair of protrusions engaging with the pair of engaging grooves are formed on the right side and the left side of the transparent cover. 2. The disaster prevention monitoring board according to claim 1, wherein the transparent cover is formed of a thin sheet of synthetic resin so as to bend when the transparent cover is attached to or removed from the display frame. .