CN103514704B - Battery-driven detector - Google Patents
Battery-driven detector Download PDFInfo
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- CN103514704B CN103514704B CN201310249895.8A CN201310249895A CN103514704B CN 103514704 B CN103514704 B CN 103514704B CN 201310249895 A CN201310249895 A CN 201310249895A CN 103514704 B CN103514704 B CN 103514704B
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- battery connector
- battery
- insert port
- connector insert
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The present invention is a kind of battery powered type warning horn.In the warning horn be made up of detecting head and base, what reliably can prevent battery connector forgets connection.Battery connector forgets that connection prevents component (12) from possessing: operation lid (12a), carries out opening and closing to the battery connector insert port (11k) being arranged at detecting head (11); And active gage (12b), cover (12a) with operation to link, make interlock and move to binding operation from binding operation disabled position to permit position with starting of this operation lid (12a), on base (10), be formed with the abutting part (10d) of the binding operation stoping base (10) and detecting head (11) accordingly with the binding operation disabled position of active gage (12b).
Description
Technical field
The present invention relates to the improvement of battery powered type warning horn, this battery powered type warning horn is the structure that can be combined in installing and removing by the detecting head of accommodating battery on base, possesses battery connector and forgets that connection prevents component.
Background technology
Recently, the fire alarm of general house mostly is as under type: in order to easily and reliably carry out the operation that is fixed to ceiling face, wall, make can freely install and remove between base and detecting head, by base in advance screw be fixed on ceiling face etc., then detecting head is combined on the base.But, when warning horn is battery powered type, in order to suppress the battery consumption before using, and battery is dispatched from the factory in the unconnected state, and make it be connected with detecting head in the construction stage.Therefore, likely generation is forgotten connection battery and detecting head is slipped up in conjunction with this operation with base.
As the example of the prior art for preventing this operation from slipping up, in following patent documentation 1, disclosing following technology: in detector, when not loading battery relative to the battery holding member be arranged on base, cover can not be fixed relative to base.In addition, in patent documentation 2, following technology is disclosed: in the fire alarm be made up of main body and mounting seat, the connector maintaining part kept the battery connector do not connected is set, under the state that battery connector is kept by battery connector maintaining part, main body can not be combined with mounting seat.
Patent documentation 1: Japanese Unexamined Patent Publication 5-266872 Publication
Patent documentation 2: Japanese Unexamined Patent Publication 2009-110222 Publication
In order to extend the life-span of fire alarm, preferably adopt jumbo battery, this battery mostly is connector type, and therefore urgent expectation reliably can prevent the fire alarm forgetting connection of battery connector.But, in the formation of patent documentation 2, when battery connector comes off from battery connector maintaining part, likely under the state connected by connector of main body side, main body is not combined with mounting seat at battery connector.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of warning horn, what reliably can prevent this battery connector forgets connection.
In the present invention, it is characterized in that, battery connector forgets that connection prevents component from possessing: operation lid, carries out opening and closing to the battery connector insert port be arranged on above-mentioned detecting head; And active gage, link with aforesaid operations lid, and make interlock and move to binding operation from binding operation disabled position to permit position with starting of covering of this operation, on base, be formed with the abutting part of the binding operation stoping above-mentioned base and above-mentioned detecting head accordingly with the binding operation disabled position of above-mentioned active gage.
Above-mentioned battery connector forgets that connection prevents component from also can possess elastic body further, this elastic body is used for aforesaid operations lid effect elastic force, thus above-mentioned battery connector insert into the mouth do not insert battery connector time, keep the position that above-mentioned battery connector insert port is closed by aforesaid operations lid.
Aforesaid operations lid also can carry out opening and closing by moving horizontally to above-mentioned battery connector insert port.
Warning horn of the present invention also can be, make above-mentioned detecting head rotate chimeric relative to above-mentioned base and combine, above-mentioned abutting part stops rotating operation now.
In addition, warning horn of the present invention also can be, make above-mentioned detecting head chimeric relative to above-mentioned base pressing and combine, above-mentioned abutting part stops the chimeric operation of this pressing.
The shape that aforesaid operations lid also can be formed as when being in the position above-mentioned battery connector insert port closed, a part for this battery connector insert port is exposed.
The effect of invention
In the present invention, if inoperation operation lid opens battery connector insert port, then the binding operation of base and detecting head can not be carried out, therefore, it is possible to reliably prevent battery connector from forgetting connection.In addition, battery connector insert into the mouth do not insert battery connector time, by elastomeric elastic force, battery connector insert port is closed naturally, therefore, it is possible to prevent battery connector from forgetting connection more reliably.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view applying warning horn of the present invention.
Fig. 2 is the overall perspective view of the warning horn shown in Fig. 1.
Fig. 3 observes from rear side the stereographic map that battery connector insert port is warning horn when closing state.
Fig. 4 observes from rear side the stereographic map that battery connector is inserted in the warning horn of the state that battery connector inserts into the mouth.
Fig. 5 observes from inner side to be provided with the vertical view that battery connector forgets the basic blocks connecting peventing member.
Fig. 6 schemes for illustration of the local concept of the warning horn of other embodiments of the present invention, and the battery connector insert port in Fig. 6 A is the state of closing, and the battery connector insert port in Fig. 6 B is open state.
Fig. 7 is the concept map of the warning horn for illustration of other embodiments of the present invention, and the battery connector insert port in Fig. 7 A is the state of closing, and the battery connector insert port in Fig. 7 B is open state.
The explanation of Reference numeral
1 warning horn
10 bases
10d abutting part
11 detecting heads
11k battery connector insert port
12 battery connectors forget that connection prevents component
12a operates lid
12b active gage
12d elastic body
2 batteries
21 battery connectors
Embodiment
Hereinafter, with reference to the accompanying drawings of an embodiment of the invention.
Fig. 1 is the exploded perspective view applying warning horn of the present invention, and Fig. 2 is the overall perspective view of this warning horn.
Warning horn 1 is battery powered type fire alarm, comprising: base 10, is fixed on the ceiling face or wall etc. of house; And detecting head 11, be provided with probe portion 11a, action button 11b etc.Same with in the past of the detection of fires of warning horn 1 and the basic function of ring alarm.In addition, the present invention can with the kind of warning horn be independently applied to be made up of base and probe portion fire alarm, Leakage Gas warning horn, invade warning horn etc.
Detecting head 11 possesses: cover 11c, is provided with the opening that probe portion 11a is inserted at central portion; Probe portion 11a, detects smoke particle optically; Circuit substrate 11d, is provided with various electronic unit; Basic blocks 11e; And battery connector forgets connection peventing member 12.
Cover 11c is the resin component of the bowl-type of the basic outward appearance forming warning horn 1, is formed with the opening that probe portion 11a is inserted, is configured with action button 11b on its side in ceiling center portion.Perisporium is formed the grooving 11f that stay cord (not shown) is inserted.Stay cord and action button 11b link, and can be operated by stay cord to action button 11b.
Circuit substrate 11d is the printed base plate of epoxy resin etc., is fixed with probe portion 11a, and is provided with the electric switch 11g corresponding with action button 11b on surface.Be provided with overleaf for connect battery connector 21 by connector 11h, this battery connector 21 is exported from battery 2 by wire.
Basic blocks 11e is the discoidal resin component surrounded with lower perisporium by base plate, from base plate towards cover side, and the outstanding frame portion being formed with battery container portion 11i and forming circuit substrate resettlement section 11j.Battery container portion 11i is semi-cylindrical shaped, installs battery 2 from the below of basic blocks 11e towards cover side.In the 11j of circuit substrate resettlement section, with circuit substrate 11d by connector 11h corresponding, be formed with battery connector insert port 11k.And, along battery connector insert port 11k, formed useful in battery connector described later being forgotten to the guide protrusion 11m connecting peventing member 12 and guide to cover side outstandingly.Guide protrusion 11m is made up of three faces making guide surface extend from the two ends of bearing plate to the direction contrary with elastic body 12d when overlooking, this bearing plate is used for forgetting that the open end connecting the elastic body 12d that peventing member 12 is arranged is accepted to battery connector, and guide protrusion 11m surrounds the roughly half of battery connector insert port 11k.Until perisporium is formed with active gage insert groove 11n near battery connector insert port 11k.In addition, in the circumferential edges of base plate to be extruded with 4 engagement pawl 11p at equal intervals.
Base 10 is the discoidal resin component surrounded with lower perisporium by base plate, and bottom surface is formed 2 the keyhole hole 10a inserted for the screw for being fixed on by base 10 on ceiling face etc.It is longer that keyhole hole 10a is configured to radial direction, and it is longer that another keyhole hole 10a is configured to circumference.Perisporium is the ledge structure that inner side end is higher than end face outside.Detecting head 11 and base 10 in conjunction with time, the end face outside of this perisporium abuts with cover 11c end face, and inner side end abuts with the bottom surface peripheral part of basic blocks 11e.In addition, inside the perisporium of base 10, be provided with the head support portion 10b supported basic blocks 11e, therefore the bottom surface of basic blocks 11e and the bottom surface of base 10 are not close to mutually, and maintain the gap of regulation.On the 10b of head support portion, corresponding with 4 engagement pawl 11p of basic blocks 11e, be equally spaced formed with 4 pawl carrier 10c.
Battery connector is forgotten and is connected peventing member 12 for resin component, possesses and carries out the operation lid 12a of opening and closing to battery connector insert port 11k and cover with operation the active gage 12b that 12a links.These parts are configured to, and are plate shape as a whole, and 12a and active gage 12b is outstanding to basic blocks side from the same face for operation lid.Operation lid 12a and active gage 12b is linked by the linking part 12c being formed with elongated hole.The elastic body 12d towards operation lid side from active gage side is contained in linking part 12c.At this, elastic body 12d and battery connector forget that being connected peventing member 12 forms, but also can use metal volute spring etc.
Detecting head 11 is assembled in the following order.That is, first in make the guide protrusion 11m of basic blocks 11e be passed in mode that battery connector forgets the upper elongated hole formed of the linking part 12c connecting peventing member 12, battery connector is forgotten connection peventing member 12 is placed on basic blocks 11e.Now, the end of operation lid 12a is given prominence to from battery connector insert port 11k, and active gage 12b inserts groove 11n from the active gage of basic blocks 11e and gives prominence to.The projecting height of the active gage 12b obtained thus is set to higher than the bottom surface peripheral part of basic blocks 11e.
Then, circuit substrate 11d is accommodated in the circuit substrate resettlement section 11j of basic blocks 11e.Thus, battery connector forgets that connecting peventing member 12 becomes the state that can be clipped in slidably between basic blocks 11e and circuit substrate 11d.Then, further with detecting head 11 from the outstanding mode of the opening of cover 11c, make cover 11c cover basic blocks 11e and carry out screw and fix.
This warning horn 1 is that following what is called rotates chimeric type, if that is, rotated clockwise being pressed into by detecting head 11 under the state on base 10, then the engagement pawl 11p of basic blocks 11e and the pawl carrier 10c of base 10 is chimeric respectively.In addition, the battery connector 21 of battery 2 is exported by wire, and battery 2, in order to suppress the consumption before using, dispatches from the factory with the state departed from by connector 11h of battery connector 21 and circuit substrate 11d.Thus, in construction, need, by after being connected by connector 11h of battery connector 21 and circuit substrate 11d, detecting head 11 to be combined with base 10.Battery connector forgets that connecting peventing member 12 forgets connection for preventing this, below illustrates that it acts on.
Operation lid 12a is, by catching its end and activity etc. with finger, can carry out opening and closing to the battery connector insert port 11k that basic blocks 11e is formed.Now, battery connector forgets that connecting peventing member 12 flatly moves in parallel relative to the bottom surface of basic blocks 11e.Under the state of closing, gap between operation lid 12a and battery connector insert port 11k, only can observe the part by connector 11h, if become open state, then battery connector 21 can be inserted battery connector insert port 11k, and with being connected by connector 11h of circuit substrate 11d.
Fig. 3 represents that battery connector insert port is that basic blocks when closing state forgets the stereographic map of the position relationship be connected between peventing member with battery connector.Now, operation lid 12a covers the only about half of of battery connector insert port 11k, and active gage 12b is positioned at the peripheral edge portion of basic blocks 11e.So, if the shape of operation lid 12a is set as, when being in the position closed by battery connector insert port 11k, a part (by connector 11h) of battery connector insert port 11k can be observed, then can not produce when constructing and can not find by confusions such as connector 11h.This position is binding operation disabled position, detecting head 11 is pressed into base 10 rotates time, the active gage 12b being in this position forbids this rotating operation.
That is, as shown in Figure 1, at the inner side end of the perisporium of base 10 to be formed with notch at 4 places at equal intervals, the active gage 12b being in binding operation disabled position is, in above-mentioned rotating operation, moves in this notch.But, the pawl carrier 10c of the engagement pawl 11p of basic blocks 11e and base 10 be about to chimeric before, active gage 12b arrives, contact the terminal part of notch, and makes it further rotate.Thus, the terminal part of notch stops the abutting part 10d of the binding operation between base 10 and detecting head 11 to work as the binding operation disabled position of active gage 12b accordingly.In addition, time on the inner side end beyond the notch that active gage 12b is in base 10, the height of engagement pawl 11p and pawl carrier becomes and mismatches, and detecting head 11 therefore can not be made to be combined with base 10.
So, if be configured to, when not carrying out operation to open battery connector insert port 11k to operation lid 12a, the structure of the binding operation between base 10 and detecting head 11 can not carried out, then can prevent battery connector from forgetting connection.
Fig. 4 is that basic blocks 11e when representing that battery connector insert port is open state forgets the stereographic map of the position relationship be connected between peventing member with battery connector.Now, operation lid 12a makes exposing completely from battery connector insert port 11k by connector 11h of circuit substrate 11d, and active gage 12b moves to the position left from the peripheral edge portion of basic blocks 11e.This position is binding operation license position.Now, active gage 12b leaves from the perisporium of base 10, and therefore in rotating operation, especially not above-mentioned with this perisporium abutting part 10d of active gage 12b contacts, and permits the binding operation between base 10 and detecting head 11.
Fig. 5 observes from inner side (cover side) to be provided with the vertical view that battery connector forgets the basic blocks connecting peventing member.Figure represents that active gage 12b is in the state of binding operation disabled position, and now elastic body 12d is natural length or a little state of shrinking.
When being covered the operation of 12a by operation from this state, battery connector insert port 11k opens, and when active gage 12b moves to binding operation license position, elastic body 12d becomes the state of shrinking further, and plays elastic force to prolonging direction.Thus, even if battery connector insert port 11k is opened by the operation of operation lid 12a, when not inserting battery connector 21 ground and place in battery connector insert port 11k, by the elastic force of spring, battery connector insert port 11k is closed, and active gage 12b still returns binding operation disabled position.Certainly, if be inserted with battery connector 21 in battery connector insert port 11k, then operation lid 12a abuts with battery connector 21 and does not close.
So, even if battery connector insert port 11k once opened, if and do not insert battery connector 21 wherein, then battery connector insert port 11k also closes automatically, according to this structure, can prevent more reliably make base 10 to be combined with detecting head 11 before battery connector 21 forget connection.
Fig. 6 A, Fig. 6 B are the concept maps that other embodiments of the present invention are described, only represent that the major part of invention, i.e. basic blocks 11e and battery connector are forgotten and are connected peventing member 12.Not shown part, base 10 are same with the warning horn 1 shown in Fig. 1, Fig. 2.
At this, battery connector forgets that connecting peventing member 12 is the plectane that a part becomes minor diameter part 12f, active gage 12b gives prominence to laterally from peripheral edge portion, and can horizontally rotate centered by turning axle 12e.Operation lid 12a is made up of a part for the plectane comprising minor diameter part 12f.Battery connector forgets that the slewing area connecting peventing member 12 is limited by the stop 11q that basic blocks 11e is formed.
In fig. 6, about battery connector insert port 11k is covered half by the non-minor diameter part of plectane, and active gage 12b is positioned at the peripheral edge portion of basic blocks 11e.Now, active gage 12b is in binding operation disabled position, as described above, forbids the rotating operation of detecting head 11 relative to base 10.
On the other hand, in fig. 6b, battery connector insert port 11k exposes from the minor diameter part 12f of plectane, and active gage 12b leaves from the peripheral edge portion of basic blocks 11e.Now, active gage 12b is in binding operation license position, the binding operation between license base 10 and detecting head 11.
Fig. 7 A, Fig. 7 B are the schematic isometric that other embodiments of the present invention are described, only represent the major part of invention.This warning horn 1 presses chimeric and pressing chimeric type that is that combine for making detecting head 11 relative to base 10, by making 2 mutually opposing engagement pawl 11p elastic deformations of detecting head 11, and is locked on respectively on 2 pawl carrier 10c of base 10.In addition, not shown part is same with the warning horn 1 shown in Fig. 1, Fig. 2.Active gage 12b set on detecting head 11 is formed as overshooting shape, and on base 10, the abutting part 10d corresponding with this projection is formed as mesa-shaped.
In fig. 7, active gage 12b is in binding operation disabled position, in this condition, even if it is chimeric to make detecting head 11 press relative to base 10, because active gage 12b abuts with abutting part 10d, therefore base 10 also can not be close to detecting head 11 and can not press chimeric.
In figure 7b, active gage 12b is in binding operation license position, and in this condition, when having carried out relative to base 10 pairs of detecting heads 11 pressing chimeric operation, active gage 12b does not abut with abutting part 10d, and base 10 can be made to be combined with detecting head 11.
Claims (13)
1. a battery powered type warning horn, is configured to the detecting head of accommodating battery to be combined with base with installing and removing, and possesses battery connector and forget that connection prevents component,
Above-mentioned battery connector forgets that connection prevents component from possessing:
Operation lid, carries out opening and closing to the battery connector insert port be arranged on above-mentioned detecting head; And
Active gage, links with aforesaid operations lid, and makes interlock and move to binding operation from binding operation disabled position to permit position with starting of covering of this operation,
On above-mentioned base, be formed with the abutting part of the binding operation stoping above-mentioned base and above-mentioned detecting head accordingly with the binding operation disabled position of above-mentioned active gage.
2. as the battery powered type warning horn that claim 1 is recorded, wherein,
Above-mentioned battery connector forgets that connection prevents component from possessing elastic body further, this elastic body is used for aforesaid operations lid effect elastic force, thus above-mentioned battery connector insert into the mouth do not insert battery connector time, keep the position that above-mentioned battery connector insert port is closed by aforesaid operations lid.
3. as the battery powered type warning horn that claims 1 or 2 is recorded, wherein,
Aforesaid operations lid carries out opening and closing by moving horizontally to above-mentioned battery connector insert port.
4. as the battery powered type warning horn that claim 1 or 2 is recorded, wherein,
This battery powered type warning horn makes above-mentioned detecting head rotate chimeric relative to above-mentioned base and combine, and above-mentioned abutting part stops rotating operation now.
5. as the battery powered type warning horn that claim 3 is recorded, wherein,
This battery powered type warning horn makes above-mentioned detecting head rotate chimeric relative to above-mentioned base and combine, and above-mentioned abutting part stops rotating operation now.
6. as the battery powered type warning horn that claim 1 or 2 is recorded, wherein,
This battery powered type warning horn makes above-mentioned detecting head chimeric relative to above-mentioned base pressing and combines, and above-mentioned abutting part stops the chimeric operation of this pressing.
7. as the battery powered type warning horn that claim 3 is recorded, wherein,
This battery powered type warning horn makes above-mentioned detecting head chimeric relative to above-mentioned base pressing and combines, and above-mentioned abutting part stops the chimeric operation of this pressing.
8. as the battery powered type warning horn that claim 1 or 2 is recorded, wherein,
The shape that aforesaid operations lid is formed as when being in the position above-mentioned battery connector insert port closed, a part for this battery connector insert port is exposed.
9. as the battery powered type warning horn that claim 3 is recorded, wherein,
The shape that aforesaid operations lid is formed as when being in the position above-mentioned battery connector insert port closed, a part for this battery connector insert port is exposed.
10. as the battery powered type warning horn that claim 4 is recorded, wherein,
The shape that aforesaid operations lid is formed as when being in the position above-mentioned battery connector insert port closed, a part for this battery connector insert port is exposed.
The 11. battery powered type warning horns recorded as claim 5, wherein,
The shape that aforesaid operations lid is formed as when being in the position above-mentioned battery connector insert port closed, a part for this battery connector insert port is exposed.
The 12. battery powered type warning horns recorded as claim 6, wherein,
The shape that aforesaid operations lid is formed as when being in the position above-mentioned battery connector insert port closed, a part for this battery connector insert port is exposed.
The 13. battery powered type warning horns recorded as claim 7, wherein,
The shape that aforesaid operations lid is formed as when being in the position above-mentioned battery connector insert port closed, a part for this battery connector insert port is exposed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-145031 | 2012-06-28 | ||
| JP2012145031A JP5923758B2 (en) | 2012-06-28 | 2012-06-28 | Battery powered sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103514704A CN103514704A (en) | 2014-01-15 |
| CN103514704B true CN103514704B (en) | 2016-03-09 |
Family
ID=49897370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310249895.8A Active CN103514704B (en) | 2012-06-28 | 2013-06-21 | Battery-driven detector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5923758B2 (en) |
| CN (1) | CN103514704B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7133217B2 (en) * | 2018-12-07 | 2022-09-08 | 株式会社中尾製作所 | Blindfold cover for fire alarm installation marks |
| KR102367978B1 (en) * | 2020-07-03 | 2022-02-24 | 이기원 | Detachable gas detecton device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4870395A (en) * | 1988-03-10 | 1989-09-26 | Seatt Corporation | Battery powered smoke alarm safety lockout system |
| US4959640A (en) * | 1989-03-09 | 1990-09-25 | Pioneer Manufacturing, Inc. | Apparatus for detect missing battery in smoke detector |
| EP0445346A1 (en) * | 1990-02-26 | 1991-09-11 | Pittway Corporation | Battery missing indicator |
| US5103216A (en) * | 1989-06-12 | 1992-04-07 | Pittway Corporation | Improperly inserted battery detector |
| US6160487A (en) * | 1999-07-22 | 2000-12-12 | Kidde Walter Portable Equipment Inc | Single lockout mechanism for a multiple battery compartment that is particularly suited for smoke and carbon monoxide detector apparatus |
| CN101727726A (en) * | 2008-10-22 | 2010-06-09 | 能美防灾株式会社 | Fire alarm device |
| CN102236948A (en) * | 2010-04-20 | 2011-11-09 | 罗伯特·博世有限公司 | Housing used for fire alarm and fire alarm provided with the housing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4049117B2 (en) * | 2004-03-19 | 2008-02-20 | 松下電工株式会社 | Wireless equipment |
| JP4953446B2 (en) * | 2007-10-30 | 2012-06-13 | 株式会社Ｌｉｘｉｌニッタン | Fire alarm |
-
2012
- 2012-06-28 JP JP2012145031A patent/JP5923758B2/en not_active Expired - Fee Related
-
2013
- 2013-06-21 CN CN201310249895.8A patent/CN103514704B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4870395A (en) * | 1988-03-10 | 1989-09-26 | Seatt Corporation | Battery powered smoke alarm safety lockout system |
| US4959640A (en) * | 1989-03-09 | 1990-09-25 | Pioneer Manufacturing, Inc. | Apparatus for detect missing battery in smoke detector |
| US5103216A (en) * | 1989-06-12 | 1992-04-07 | Pittway Corporation | Improperly inserted battery detector |
| EP0445346A1 (en) * | 1990-02-26 | 1991-09-11 | Pittway Corporation | Battery missing indicator |
| US6160487A (en) * | 1999-07-22 | 2000-12-12 | Kidde Walter Portable Equipment Inc | Single lockout mechanism for a multiple battery compartment that is particularly suited for smoke and carbon monoxide detector apparatus |
| CN101727726A (en) * | 2008-10-22 | 2010-06-09 | 能美防灾株式会社 | Fire alarm device |
| CN102236948A (en) * | 2010-04-20 | 2011-11-09 | 罗伯特·博世有限公司 | Housing used for fire alarm and fire alarm provided with the housing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5923758B2 (en) | 2016-05-25 |
| CN103514704A (en) | 2014-01-15 |
| JP2014010524A (en) | 2014-01-20 |
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Effective date of registration: 20160309 Address after: Osaka Japan Patentee after: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co.,Ltd. Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |