CN101727726A - Fire alarm device - Google Patents
Fire alarm device Download PDFInfo
- Publication number
- CN101727726A CN101727726A CN200910168092A CN200910168092A CN101727726A CN 101727726 A CN101727726 A CN 101727726A CN 200910168092 A CN200910168092 A CN 200910168092A CN 200910168092 A CN200910168092 A CN 200910168092A CN 101727726 A CN101727726 A CN 101727726A
- Authority
- CN
- China
- Prior art keywords
- battery
- fire
- catch
- alarm
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
Abstract
The present invention provides a fire alarm device with a battery fixing mechanism which does not require assembling operation. The fire alarm device (1) causes an edge part to be inlayed to an edge seat through rotating a fire alarm device body (2) provided with the edge part (21) relatively to an installation base (3) provided with the edge seat (8) to the installation direction. The fire alarm device body is detachably equipped to the installation base. The fire alarm device (1) comprises the following components: a battery placing part (27) which is formed on a back panel (17) of the fire alarm device body through a dent way; and a stop block component (24) which is integrated with the back panel from a bottom (45) of the battery placing part contacting with the side surface of the battery to the periphery of the edge part. Furthermore a baffle plate (23) is formed at the front end of the stop block component. The rotating orbit of the baffle plate moves in the vertical direction according to the state of the battery placed in the battery placing part, and the position relation to the edge seat can be changed.
Description
Technical field
The present invention relates to the fire-alarm main body is installed in fire-alarm on the mounting seat.
Background technology
Fire-alarm rotates with respect to mounting seat by making the fire-alarm main body, and the fire-alarm main body is installed on the mounting seat dismantledly.In the fire-alarm of this twistlock assemble mechanism, as the battery-locking mechanism that is used to prevent from when battery not being installed, to become confined state, by connecting spring member, extension rod, closure member, battery is inserted the battery case zone, can be stuck in carriage (mounting seat) to matrix part (fire-alarm main body) and go up (for example opening flat 03-103796 communique) with reference to patent documentation 1 spy.
, the number of spare parts of the battery-locking mechanism that patent documentation 1 is put down in writing is many, and must carry out assembly operation.
Summary of the invention
The purpose of this invention is to provide a kind of fire-alarm with the battery-locking mechanism that does not need assembly operation.
Fire-alarm of the present invention rotates to installation direction with respect to the mounting seat that is provided with sword seat portion by the fire-alarm main body that will be provided with blade, described blade is embedded in the described sword seat portion, described fire-alarm main body is installed on the described mounting seat dismantledly, described fire-alarm comprises: lay battery portion, and recessed and form on the backplate of described fire-alarm main body; Stop member, from the side contacted the described bottom of battery portion of laying of battery to forming one with described backplate near the described blade, and the front end at described stop member forms catch, described catch is according to the described state of laying battery of laying battery portion, its rotary motion trace moves up at upper and lower, can change the position relation with described sword seat portion.
The effect of fire-alarm of the present invention is: in the battery-locking mechanism that is made of blade, sword seat portion and stop member, make the backplate of blade and stop member and fire-alarm main body form one, make sword seat portion and mounting seat form one, because battery-locking mechanism and backplate or this necessary part of mounting seat are made of one, so do not need independent part as battery-locking mechanism, and do not need assembly operation.
Description of drawings
Fig. 1 is the front view and the vertical view of the fire-alarm of best mode for carrying out the invention.
Fig. 2 is the stereographic map of the mounting seat of Fig. 1.
Fig. 3 is the stereographic map of the fire-alarm main body of Fig. 1.
Fig. 4 is the backplate of fire-alarm main body of Fig. 3 and the stereographic map of over cap.
Fig. 5 is the amplification stereogram of stop member and blade.
Description of reference numerals
1 fire-alarm, 2 fire-alarm main bodys, 3 mounting seat, 4 base plates
5 side plates, 6 ribs, 7 holes, 9 collet portions of 8 sword seat portions, 10 stopper portions
11 13 cigarette detection portions of thin ancient piece of jade, round, flat and with a hole in its centre portion, 14 control panels, 15 loudspeakers
16 over caps, 17 backplates, 18 posts, 19 openings 20 surround wall
21 blades, 22 restriction ribs, 23 catch, 24 stop members
25 catch support sectors, 26 margining tablets 27 are laid battery portion
34,35 openings, 36,37 direction protrusions, 38 holes, 39 nut maintaining parts
40 retaining members, 41 equipment nameplates, 42 notchs 43 keep wall
44 projections, 45 bottoms, 46 otch, 47 semi-girders, 48 free ends
49 stiffening rib, 50 guide parts, 51 circular arc ellbeams, 52 dull and stereotyped ellbeams
53 avoid portion's 54 restrictions
Embodiment
Fig. 1 is the front view and the vertical view of the fire-alarm of best mode for carrying out the invention.Fig. 2 is the stereographic map of the mounting seat of Fig. 1.Fig. 3 is the stereographic map of the fire-alarm main body of Fig. 1.Fig. 4 is the backplate of fire-alarm main body of Fig. 3 and the stereographic map of over cap.Fig. 5 is the amplification stereogram of stop member of the present invention and blade.
As shown in Figure 1, the fire-alarm 1 of best mode for carrying out the invention comprises fire-alarm main body 2 and mounting seat 3.
Mounting seat 3 is installed with installation components such as screws in the installation position of the ceiling that fire-alarm 1 is installed etc.And as shown in Figure 2, mounting seat 3 is lower cylinders of height that the end is arranged, and comprises the base plate 4 and the columnar side plate 5 of circular plate type.
On base plate 4, have the rib 6 with 5 one-tenth circular concentric of side plate, extend a roughly week and outstanding, have the hole 7 that to pass screw simultaneously in the inboard of side plate 5.And two places on rib 6 are provided with sword seat portion 8.
Sword seat portion 8 comprises: and base plate 4 between have specified gap plate shaped collet portion 9; Stopper portions 10, when rotating fire-alarm main body 2 along the direction (hereinafter referred to as installation direction) of rotating fire-alarm main body 2 for fire-alarm main body 2 being installed on the mounting seat 3 when aligning assigned position, be used to prevent fire-alarm main body 2 further to rotate.
On side plate 5, be provided with the thinner wall section 11 of thinner thickness, when stolen when adopting lock screw and lock nut to fix fire-alarm main body 2 and mounting seat 3 in order to prevent, thinner wall section 11 is converted into breach removes, then become the notch in the lock screw head wrapped in.
As shown in Figure 3 and Figure 4, in fire-alarm main body 2, fixedly over cap 16 and backplate 17 are held by adopting screw as building blocks of functions such as the cigarette detection portion 13 of an example of detection portion, control panel 14, loudspeakers 15.
Over cap 16 truncated cone-shaped for being made of base plate 16a and side plate 16b is provided with post 18 and surrounds wall 20, and described post 18 has and is used for and threaded hole that backplate 17 screws are fixing; In order to make the foreign matter that enters from the opening 19 that is arranged on backplate 17 can not influence building blocks of functions such as cigarette detection portion 13, control panel 14, loudspeaker 15, described encirclement wall 20 surrounds openings 19 and with its sealing when backplate 17 is overlapped.
Surround two side wall portions that wall 20 comprises that the direction that begins to intersect to approximate vertical from side plate 16b extends, the madial wall portion that connects the tip side of two side wall portions.Surround wall 20 foreign matter such as screw being arranged when opening 19 enters, it can be retained in the inboard that surrounds wall 20, prevent that its inside to over cap 16 from coming off.
Restriction rib 22 is arranged to one with encirclement wall 20.Restriction rib 22 is to be positioned at the part that extend to the direction of backplate 17 at the top of the side wall portion (installation direction one side) of the encirclement wall 20 under the blade 21 of backplate 17 when backplate 17 is overlapped.In the fire-alarm main body 2 that battery will be installed with respect to mounting seat 3 under the situation that installation direction rotates, restriction rib 22 can make the collet portion 9 of catch 23 by sword seat portion 8 move at the direction opposite with the installation direction Shi Buhui that is pressed, and catch support sector 25 touches restriction rib 22 and can be not further do not move to the direction of blade 21.This restriction rib 22 is arranged in opening 19 outstanding.
In addition, margining tablet 26 is arranged to one with encirclement wall 20.Margining tablet 26 is wall portions that direction that the side wall portion (installation direction one side) from the encirclement wall 20 that restriction rib 22 is set intersects to approximate vertical is extended, thereby the side wall portion of the top ends of installation direction one side and encirclement wall 20 is connected with identical wall portion and is reinforced.Margining tablet 26 when backplate 17 is overlapped, be positioned at stop member 24 catch support sector 25 under, its top is towards installation direction, rear side is smooth, front side tilts.Battery is being installed in when laying battery portion 27, inclination is cut in order to avoid crushed element with the top of margining tablet 26 owing to make the front side step-down towards rotation direction (installation direction) inclination and distortion in catch support sector 25.
On the one hand, be not installed in when laying battery portion 27 at battery, when with the sword seat portion 8 of mounting seat 3 with catch 23 from directly over when depressing, catch support sector 25 is owing to contact and can't depress with the flat portions at margining tablet 26 tops, like this, when rotating fire-alarm main body 2, because catch 23 is stuck in the collet portion 9 of sword seat portion 8 of mounting seat 3 to installation direction, can further not rotate, can prevent that the fire-alarm main body 2 that battery will be installed by mistake is installed on the mounting seat 3.
Fire-alarm 1 has two kinds, to the forwarding warning type of outside device forwards alarm with do not transmit the warning type.Transmit the equipment of reporting to the police forwarding warning connector 33 is installed on control panel 14.And the equipment nameplate 41 that sticks on the backplate 17 also has two kinds.Forwarding warning type among the present invention and do not transmit the warning type, varying in size of equipment nameplate 41 not only, and also the guide protrusions of using when pasting 36,37 also is provided with two kinds.
Nut maintaining part 39 keeps the lock nut of the lock screw assembling of inserting with the notch 42 that passes side plate 31 and to radially inner side.And nut the maintaining part 39 therefrom upright and section of plate 30 beginning is a コ shape, has a pair of maintenance wall 43 of two the relative end faces that cover lock nut respectively simultaneously.Keep the width of the height of wall 43 greater than the lock nut of using.In addition, can not come off easily, keep wall 43 to be provided with projection 44 from the upper end of the wall portion of lock nut inserting side in order to make lock nut.
As shown in Figure 5, stop member 24 comprises: semi-girder 47, utilization with the bottom 45 of the semi-cylindrical shaped contacts side surfaces of the battery of laying battery portion 27 on, two otch 46, one ends that are provided with along semicylindrical radial parallel are by 45 supports in the bottom of laying battery portion 27; From the free end 48 of semi-girder 47 along the axially extended catch support sector 25 of laying battery portion 27; The 31 upright catch 23 from catch support sector 25 along side plate.Stiffening rib 49 is set on the catch 23.
Be not installed in when laying battery portion 27 (when battery is not installed) at battery, when fire-alarm main body 2 is installed in mounting seat 3 on the direction of rotating fire-alarm main body 2 (hereinafter referred to as installation direction.And when mounting seat 3 was taken off fire-alarm main body 2, the direction of rotating fire-alarm main body 2 is called took off direction.) catch 23 be positioned at blade 21 guide part 50 near, the top of catch 23 is positioned at the upside of the collet portion 9 of sword seat portion 8.
Semi-girder 47 comprises the dull and stereotyped ellbeam 52 that radius ratio is laid the little circular arc ellbeam 51 of the semi-cylindrical shaped radius of battery portion 27, extended from circular arc ellbeam 51.The opposite end of a end with connecting circular arc ellbeam 51 of this flat board ellbeam 52 is free ends 48.
And if batteries are installed laying battery portion 27, then because circular arc ellbeam 51 tilts to the direction near over cap 16, free end 48 descends and approaching to the medial surface of side plate 31 to the direction near over cap 16.At this moment, even free end 48 is approaching to the medial surface of side plate 31,, do not contact with side plate 31 so can produce distortion owing to be provided with the portion of avoiding 53 in medial surface one side of side plate 31 yet.
The medial surface of catch support sector 25 from the free end 48 of semi-girder 47 along side plate 31 extends to taking off direction.And approaching if the free end 48 of semi-girder 47 to descending near the direction of over cap 16, is deformed into simultaneously to the medial surface of side plate 31, then the catch support sector 25 inclination and distortions position that becomes to be connected with semi-girder 47 descends at most, and opposition side decline is minimum.Therefore, catch 23 tilts downwards on installation direction, and is simultaneously approaching to over cap 16.At this moment, the top of catch 23 is lower than the collet portion 9 of sword seat portion 8.Therefore, if fire-alarm main body 2 being pressed to mounting seat 3 on one side rotates to installation direction on one side, then since the collet portion 9 of sword seat portion 8 pass between the guide part 50 of the top of catch 23 and blade 21, embed the guide part 50 of blade 21, fall downwards from mounting seat 3 so can prevent fire-alarm main body 2.
Though the top of catch 23 is smooth from the top of installation direction to central authorities, have that to begin step-down from central authorities be minimum chamfering to terminal.Like this, when mounting seat 3 is taken off fire-alarm main body 2, because the gap between the collet portion 9 of the top of catch 23 and sword seat portion 8 is very wide, so can begin to rotate reposefully.
Be the blade that is positioned at diagonal position 21 at center, when stop member 24 is out of shape, side plate is dug the thin portion that avoids 53 that forms, pass the notch 42 of the lock screw of preventing 2 rotations of fire-alarm main body from the inboard at the center of setting on the side plate 31 in order not hinder it to move with middle plate 30.
State when then, explanation fire-alarm main body 2 that battery will be installed is installed in mounting seat 3.
Because when battery is not installed, the semi-girder 47 to stop member 24 does not apply power, so the top of catch 23 is positioned at the upside of collet portion 9 of the sword seat portion 8 of mounting seat 3, if rotate fire-alarm main body 2 to installation direction, then the side end face of catch 23 contacts with collet portion 9.Therefore, fire-alarm main body 2 can not further be rotated to installation direction, so fire-alarm main body 2 can not be installed on mounting seat 3.
State when then, explanation fire-alarm main body 2 that battery will be installed is installed on the mounting seat 3.
If battery is installed in the battery portion 27 of laying, then apply power towards over cap 16 directions to semi-girder 47, the free end 48 of semi-girder 47 descends to the direction near over cap 16, and is deformed into to the medial surface of side plate 31 approaching.Like this, the position that catch support sector 25 inclination and distortions become to be connected with semi-girder 47 descends at most, and opposition side descends minimum.Therefore, catch 23 is downward-sloping on installation direction, simultaneously near over cap 16.At this moment, because the position at the top of catch 23 is in the downside of the collet portion 9 of sword seat portion 8, so the collet portion 9 of sword seat portion 8 is passed on the top of catch 23, embed the guide part 50 of blade 21, thereby fire-alarm main body 2 can be installed on the mounting seat 3.
Fire-alarm 1 of the present invention is provided with the fire-alarm main body 2 of blade 21 by handle, rotate to installation direction with respect to the mounting seat 3 that is provided with sword seat portion 8, make in the described sword seat of the described blade 21 embeddings portion 8, can be installed in described fire-alarm main body 2 on the described mounting seat 3 with installing and removing, described fire-alarm 1 comprises: lay battery portion 27, and recessed and form on the backplate 17 of described fire-alarm main body 2; Stop member 24, from the side contacted the described bottom 45 of laying battery portion 27 of battery to integrally formed near the described blade 21 with described backplate 17, and the front end at stop member 24 forms catch 23, described catch 23 is according to the described state of laying battery of laying battery portion 27, its rotary motion trace moves up at upper and lower, can change the position relation with described sword seat portion 8.
Battery be not encased under the described state of laying in the battery portion 27, described sword seat portion 8 is positioned on the rotary motion trace of described catch 23, described catch 23 stops described blade 21 to be embedded in the described sword seat portion 8, under battery being encased in the described state of laying in the battery portion 27, the rotary motion trace of this catch 23 moves down, described sword seat portion 8 is not positioned on this rotary motion trace, and described blade 21 is embedded in the described sword seat portion 8.Like this, as the fire-alarm main body 2 that battery is not installed not being installed to the battery-locking mechanism that the locking on the mounting seat 3 is installed, owing to be by with the integrally formed sword seat portion 8 of mounting seat 3, constitute with integrally formed blade 21 and the stop member 24 of the backplate 17 of fire-alarm main body 2, so do not need the part of independent battery-locking mechanism, do not need the assembly operation of battery-locking mechanism.
In addition, described fire-alarm main body 2 comprises: have described blade 21 and form the described backplate 17 of opening 19 under described blade 21; And the over cap 16 that covers described backplate 17.Described over cap 16 is provided with restriction rib 22; when described over cap 16 covers on the described backplate 17; described restriction rib 22 is positioned at described opening 19; battery be not encased under the described state of laying in the battery portion 27; when described sword seat portion 8 described catch 23 when the direction opposite with described installation direction pushed, the described catch 23 of described restriction rib 22 restrictions moves to the direction opposite with described installation direction.
Described over cap 16 is provided with described opening 19 corresponding preventing and comes off with surrounding wall 20, described restriction rib 22 with described prevent to come off be arranged to one with encirclement wall 20.Like this; utilization is provided with all-in-one-piece restriction rib 22 with the encirclement wall 20 of over cap 16; the bottom of the catch 23 that restriction is pressed to the direction opposite with installation direction with the collet portion 9 of sword seat portion 8; move to the direction opposite with installation direction; so when battery not being installed, can prevent that stop tab 23 is pushed to the direction opposite with installation direction and ruptured.
Described fire-alarm main body 2 comprises the described backplate 17 with described blade 21, the over cap 16 that covers described backplate 17.Described over cap 16 is provided with margining tablet 26; battery be not encased under the described state of laying in the battery portion 27; even limit described catch 23 from directly over push downwards also and can not move down; and under battery being encased in the described state of laying in the battery portion 27, allow described catch 23 limit inclined sides to move down.
Described over cap 16 is provided with described opening 19 corresponding preventing and comes off with surrounding wall 20, described margining tablet 26 be arranged to described prevent to come off become one with encirclement wall 20.Like this; by the catch of pushing downwards with the collet portion 9 of sword seat portion 8 23; the encirclement wall 20 that utilizes and over cap 16 thereunder is set forms the flat part at margining tablet 26 tops of one; limit its moving downwards; so can prevent catch 23 to avoid over cap 16 1 sides, thereby can prevent that the fire-alarm main body 2 that battery will be installed is installed on the mounting seat 3 by mistake.
The width of described catch 23 narrows down to the upper end.Suppose because of design error etc., can rotate the fire-alarm main body 2 that battery is not installed to installation direction by force, blade 21 is embedded under the situation in the sword seat portion 8, because the blade 21 1 side chamferings of catch 23, width is narrowed down to the upper end, so, can easily take off from mounting seat 3 by fire-alarm main body 2 is rotated to taking off direction.
To stolen, the situation that fire-alarm main body 2 is fixed on the mounting seat 3 is described below with lock screw and lock nut for fire-alarm main body 2 is difficult to.
Wanting under the antitheft situation, the thin ancient piece of jade, round, flat and with a hole in its centre portion 11 with mounting seat 3 is converted into breach in advance, is installed on the installation position after forming notch.
Then, between the maintenance wall 43 of the nut maintaining part 39 of lock nut insertion fire-alarm main body 2.Afterwards as mentioned above, the fire-alarm main body 2 that battery is housed is installed on the mounting seat 3.
Then, insert lock screw from the notch of mounting seat 3, the notch 42 of backplate 17, and the lock nut of inserting between the maintenance wall 43 is tightened.So the head of lock screw is fixed by notch 42.Its result, the head of lock screw is enclosed in the notch of mounting seat 3, even will rotate fire-alarm main body 2 to taking off direction, the head of lock screw can be run into mounting seat 3, fire-alarm main body 2 is rotated, thereby can prevent stolen.
In nut maintaining part 39 of the present invention, owing to keep wall 43 to keep two end faces of lock nut with the コ shape of height more than the width of lock nut, so when being fastened on lock screw on the lock nut, even apply the power of twist-lock nut, also can prevent the lock nut rotation by keeping wall 43 to keep.
In addition, owing in the wall portion of insertion lock nut one side that keeps wall 43 projection 44 is set, so fastening with lock screw even can prevent lock nut to occur, lock nut also can be from the situation that keeps wall 43 to come off.
Claims (7)
1. fire-alarm, rotate to installation direction with respect to the mounting seat that is provided with sword seat portion by the fire-alarm main body that will be provided with blade, described blade is embedded in the described sword seat portion, described fire-alarm main body is installed on the described mounting seat dismantledly, and described fire-alarm is characterised in that and comprises:
Lay battery portion, recessed and form on the backplate of described fire-alarm main body;
Stop member, from the side contacted the described bottom of battery portion of laying of battery to forming one with described backplate near the described blade, and the front end at described stop member forms catch, described catch is according to the described state of laying battery of laying battery portion, its rotary motion trace moves up at upper and lower, can change the position relation with described sword seat portion.
2. fire-alarm according to claim 1 is characterized in that,
Battery be not encased under the described state of laying in the battery portion, described sword seat portion is positioned on the rotary motion trace of described catch, described catch stops described blade to embed in the described sword seat portion, under battery being encased in the described state of laying in the battery portion, the rotary motion trace of described catch moves down, described sword seat portion is not positioned on this rotary motion trace, and described blade embeds in the described sword seat portion.
3. fire-alarm according to claim 1 and 2 is characterized in that,
Described fire-alarm main body comprises having described blade and form the described backplate of opening and the over cap of the described backplate of covering under described blade,
Described over cap is provided with the restriction rib; when described over cap covers on the described backplate; described restriction rib is positioned at described opening; battery be not encased under the described state of laying in the battery portion; when described sword seat portion described catch when the direction opposite with described installation direction pushed, described restriction rib limits described catch and moves to the direction opposite with described installation direction.
4. fire-alarm according to claim 3 is characterized in that,
Described over cap is provided with corresponding the preventing of described opening and comes off with the encirclement wall,
Described restriction rib and described prevent to come off be arranged to one with the encirclement wall.
5. fire-alarm according to claim 1 and 2 is characterized in that,
Described fire-alarm main body comprises described backplate with described blade and the over cap that covers described backplate,
Described over cap is provided with margining tablet; battery be not encased under the described state of laying in the battery portion; when from directly over when pushing described catch downwards; described margining tablet limits described catch and does not move down; and under battery being encased in the described state of laying in the battery portion, described margining tablet allows described catch to tilt and moves down.
6. fire-alarm according to claim 5 is characterized in that,
Described over cap is provided with corresponding the preventing of described opening and comes off with the encirclement wall,
Described margining tablet and described prevent to come off be arranged to one with the encirclement wall.
7. fire-alarm according to claim 1 and 2 is characterized in that the width of described catch narrows down towards the upper end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008271720A JP4676524B2 (en) | 2008-10-22 | 2008-10-22 | Fire alarm |
| JP2008-271720 | 2008-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101727726A true CN101727726A (en) | 2010-06-09 |
| CN101727726B CN101727726B (en) | 2012-07-11 |
Family
ID=42219354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101680923A Active CN101727726B (en) | 2008-10-22 | 2009-08-19 | Fire alarm device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4676524B2 (en) |
| KR (1) | KR20100044690A (en) |
| CN (1) | CN101727726B (en) |
| TW (1) | TWI444931B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514704A (en) * | 2012-06-28 | 2014-01-15 | 松下电器产业株式会社 | Battery-driven detector |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL392067A1 (en) * | 2010-08-05 | 2012-02-13 | Diehl Ako Stiftung & Co. Kg | Smoke alarm with safety mechanism |
| KR20180087544A (en) | 2017-01-24 | 2018-08-02 | (주) 제이앤케이사이언스 | A battery capable of wireless communication |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055830A (en) * | 1989-06-12 | 1991-10-08 | Pittway Corporation | Battery sensing mechanism |
| US5191855A (en) * | 1990-02-26 | 1993-03-09 | Pittway Corporation | Battery missing indicator |
| CN2261048Y (en) * | 1995-03-10 | 1997-08-27 | 北京昌顺物业管理有限责任公司 | Heat-sensitive smoke-sensing compound fire-disaster alarm |
| JP3096802B2 (en) * | 1995-05-09 | 2000-10-10 | ニッタン株式会社 | Terminal address setting device in alarm monitoring system |
| JP2000156214A (en) * | 1998-11-18 | 2000-06-06 | Citizen Electronics Co Ltd | Battery housing structure of electronic apparatus having backup function |
| JP2004145758A (en) * | 2002-10-25 | 2004-05-20 | Matsushita Electric Works Ltd | Detector |
| JP4993927B2 (en) * | 2006-03-23 | 2012-08-08 | 能美防災株式会社 | Fire alarm |
| CN201107780Y (en) * | 2007-04-27 | 2008-08-27 | 海湾安全技术有限公司 | Separated type fume sensing fire detect alarming apparatus |
-
2008
- 2008-10-22 JP JP2008271720A patent/JP4676524B2/en not_active Expired - Fee Related
-
2009
- 2009-08-12 KR KR1020090074059A patent/KR20100044690A/en not_active Application Discontinuation
- 2009-08-19 CN CN2009101680923A patent/CN101727726B/en active Active
- 2009-08-28 TW TW098129094A patent/TWI444931B/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514704A (en) * | 2012-06-28 | 2014-01-15 | 松下电器产业株式会社 | Battery-driven detector |
| CN103514704B (en) * | 2012-06-28 | 2016-03-09 | 松下电器产业株式会社 | Battery-driven detector |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI444931B (en) | 2014-07-11 |
| TW201025205A (en) | 2010-07-01 |
| CN101727726B (en) | 2012-07-11 |
| JP2010102419A (en) | 2010-05-06 |
| KR20100044690A (en) | 2010-04-30 |
| JP4676524B2 (en) | 2011-04-27 |
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| Date | Code | Title | Description |
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