CN204390398U - Smoke alarm - Google Patents

Smoke alarm Download PDF

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Publication number
CN204390398U
CN204390398U CN201420594178.9U CN201420594178U CN204390398U CN 204390398 U CN204390398 U CN 204390398U CN 201420594178 U CN201420594178 U CN 201420594178U CN 204390398 U CN204390398 U CN 204390398U
Authority
CN
China
Prior art keywords
sound chamber
circuit board
smoke alarm
housing
button post
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.)
Active
Application number
CN201420594178.9U
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Chinese (zh)
Inventor
袁林虎
蒋培林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO SHANGTAI ELECTRONIC CO Ltd
Original Assignee
NINGBO SHANGTAI ELECTRONIC CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO SHANGTAI ELECTRONIC CO Ltd filed Critical NINGBO SHANGTAI ELECTRONIC CO Ltd
Priority to CN201420594178.9U priority Critical patent/CN204390398U/en
Application granted granted Critical
Publication of CN204390398U publication Critical patent/CN204390398U/en
Priority to EP15189646.1A priority patent/EP3018640A3/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/126—Checking intermittently signalling or alarm systems of annunciator circuits

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The utility model discloses smoke alarm, belong to mechanical design field, comprise housing, button post and be set in turn in circuit board in housing, collection cigarette case, piezo and sound chamber.Circuit board is provided with key-press module.Collection cigarette case is provided with the first through hole.Button post is slidably located in the first through hole, matches with the key-press module on circuit board in one end of button post, and the other end of button post is connected with sound chamber.Sound chamber is slidably located in housing, and the glide direction in sound chamber is identical with the glide direction of button post.Smoke alarm drives one end of button post to contact with the key-press module on circuit board by the slip in sound chamber and sends push button signalling.The technical solution of the utility model compact conformation, small volume, easy to use, be easy to install and shaping.

Description

Smoke alarm
Technical field
The utility model belongs to mechanical field, relates to a kind of warning device, particularly relates to a kind of smoke alarm of compact conformation.
Background technology
The smoke alarm of prior art is generally by circuit board, collection cigarette case, shell, mounting base and piezo composition, general mounting base dress on the ceiling, shell is made up of upper casing and lower casing, upper casing is connected with mounting base removably, general employing buckle-type connects, the lower surface of lower casing needs to arrange button and sound chamber, when the circuit board smokescope monitored in collection cigarette case exceedes setting value, control piezo sounding, piezo is by sound chamber voice emplifying, this smoke alarm has following deficiency: first, button arranges separately, take up room, and structure is not compact, affect the volume of whole smoke alarm, the second, collecting cigarette case is an entirety, if button is wanted and circuit board contacts, the pillar of button needs outside and circuit board contacts from collecting cigarette case, and the area of such circuit board just needs the xsect of ratio collection cigarette case greatly, the corresponding volume also just adding smoke alarm.
Utility model content
In view of this, the utility model, for the larger defect of existing smoke alarm structure, provides the smoke alarm of a kind of compact conformation, small volume.
For achieving the above object, concrete technical scheme is as follows:
A kind of smoke alarm, comprise housing and be set in turn in the circuit board in described housing, collection cigarette case, piezo and sound chamber, it is characterized in that, also comprise button post, described circuit board is provided with key-press module, described collection cigarette case is provided with the first through hole, described button post is slidably located in described first through hole, match with the key-press module on described circuit board in one end of described button post, the other end of described button post is connected with described sound chamber, described sound chamber is slidably located in described housing, the glide direction in described sound chamber is identical with the glide direction of described button post, described smoke alarm drives one end of described button post to contact with the key-press module on described circuit board by the slip in described sound chamber and sends push button signalling.
Preferably, the sectional area of described collection cigarette case is equal to or less than the sectional area of described circuit board.Wherein sectional area refers to the xsect along smoke alarm.
Preferably, the other end of described button post is fixedly connected with described sound chamber.
Preferably, also back-moving spring is provided with between described sound chamber and collection cigarette case.
Preferably, described housing comprises and is tubular upper casing and lower casing, is also provided with the guard of the filtered air impurity of annular between described upper casing and lower casing.
Preferably, described guard is made up of laser bonding.
Preferably, also comprise the light-guiding pillar of conducting light, described circuit board is also provided with LED, one end of described light-guiding pillar is connected with described LED, and the other end and the described housing of described light-guiding pillar are interlinked to the outside, by described light-guiding pillar by outside light-output housing.
Preferably, described sound chamber is also provided with printing opacity shell, described collection cigarette case is also provided with the second through hole, described light-guiding pillar is located in described second through hole, and the other end of described light-guiding pillar is connected with the printing opacity shell on described sound chamber.
Preferably, also comprise battery, described battery is located between circuit board and housing.
Preferably, described housing is also provided with the battery case matched with described battery, described battery case protrudes from the outside surface of described housing.
Relative to prior art, compared with the conventional method, tool has the following advantages the technical solution of the utility model:
1, by being integrated in by keyswitch on sound chamber, sound chamber also can use as button, user directly presses sound chamber in use, the button post being positioned at sound chamber upper surface just contacts with the key-press module on circuit board, provides the function of button, decreases parts, compact conformation, small volume;
2, button post is arranged in the through hole of collection cigarette case, on the lateral attitude of circuit board, additionally need not retain the position of keyswitch, reduce the sectional area of circuit board, make the size of circuit board can make the same size of xsect of following collection cigarette case, even can be also less than the area of xsect of collection cigarette case, so corresponding just make the area of the xsect of whole smoke alarm do less;
3, by by parallel for battery placement, avoid the position of buckle etc. in housing, make use of space vertical in housing, reduce the horizontal area of alarm, compact conformation, also correspondingly reduce the volume of smoke alarm;
4, utilize light-guiding pillar the LED lamplight on circuit board to be derived outside housing, avoid dust-proof, the water resistance problem caused by housing exterior open cell printing opacity;
5, be provided with the guard that laser is welded in the housing, the impurity in filtered air, improve anti-dust performance.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the light-guiding pillar mounting structure schematic diagram of the utility model embodiment.
Wherein, 1 be base plate, 2 be upper casing, 3 be battery, 4 be circuit board, 5 for integrate cigarette case, 5.1 be the first through hole, 5.2 be the second through hole, 6 as guard, 7 as piezo, 8 as sound chamber, 8.1 as button post, 9 as lower casing, 10 as back-moving spring, 11 as light-guiding pillar.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to accompanying drawing, concrete explaination is done to embodiment of the present utility model.
A kind of smoke alarm of embodiment of the present utility model as shown in Figure 1, comprises base plate 1, upper casing 2, battery 3, circuit board 4, collection cigarette case 5, guard 6, piezo 7, sound chamber 8 and lower casing 9.
Upper casing 2 and the removable connection of base plate l.Lower casing 9, guard 6 connect and compose housing successively with upper casing 2.Battery 3, circuit board 4, collection cigarette case 5, piezo 7 and sound chamber 8 being located in housing from top to bottom as illustrated in the drawing successively.
Wherein, button post 8.1 is also comprised.Circuit board 4 is provided with key-press module.Collection cigarette case 5 is provided with the first through hole, and button post 8.1 is slidably located in the first through hole.Match with the key-press module on circuit board 4 in one end of button post 8.1, the other end of button post 8.1 is connected with sound chamber 8.Sound chamber 8 is slidably located in housing, and the glide direction in sound chamber 8 is identical with the glide direction of button post 8.1, and preferably the bearing of trend of glide direction and housing, circuit board 4, collect cigarette case 5, piezo 7 and sound chamber 8 to be arranged in order direction identical.Smoke alarm drives one end of button post 8.1 to contact with the key-press module on circuit board 4 by the slip in sound chamber 8 and sends push button signalling.
Embodiment of the present utility model is by being integrated on sound chamber by keyswitch, sound chamber also can use as button, user directly presses sound chamber in use, the button post being positioned at sound chamber upper surface just contacts with the key-press module on circuit board, the function of button is provided, decreases parts, compact conformation, small volume.
As shown in fig. 1, in embodiment of the present utility model, collection cigarette case 5 is located at the center of the guard 6 of annular, and guard 6 is for entering the air filtration impurity in collection cigarette case 5.And preferably guard 6 is formed by laser bonding.
Circuit board 4, collection cigarette case 5, piezo 7 and sound chamber 8 set gradually from top to bottom in housing.Piezo 7 closes on the upper surface in sound chamber 8, and the lower surface in sound chamber 8 is exposed outside lower casing 9, and can with lower casing 9 relative sliding.Piezo 7 is connected with circuit board 4, controls to sound by circuit board 4.The amplification of this sound sends by sound chamber 8.
Back-moving spring 10 is also provided with between sound chamber 8 and collection cigarette case 5.When pressing sound chamber 8, button post 8.1 contacts with the key-press module on circuit board 4 through the first through hole 5.1, sends push button signalling as keyswitch.After pressing, owing to there being back-moving spring 10, therefore sound chamber 8 can return to origin-location.
And combine as shown in Figure 2, in embodiment of the present utility model, smoke alarm also comprises light-guiding pillar 11.Collection cigarette case 5 is also provided with the second through hole 5.2.Light-guiding pillar 11 is through the second through hole 5.2, and preferably the first through hole 5.1 and the second through hole 5.2 parallel.
One end of light-guiding pillar 11 is connected with the LED on circuit board 4, and the upper surface in the other end and sound chamber 8 offsets.The position that the upper surface in sound chamber 8 and light-guiding pillar 11 offset is provided with printing opacity shell, and printing opacity shell is made up of the good material of light transmission, thus the light that LED produces is exported to printing opacity shell place by light-guiding pillar 11, and is exported to outside housing by printing opacity shell.
Adopt this structure, do not need outside LED passing hole being located at shell, and only need by light-guiding pillar 11, the light of the LED on circuit board 4 to be transmitted on the surface in sound chamber 8.
As shown in fig. 1, in embodiment of the present utility model, on upper casing 2, the position of set battery 3 is provided with the battery case for placing battery 3.The outside surface of the bottom of battery case protrudes from the upper surface of upper casing 2.
Owing to being also provided with for the device with base plate 1 snapping in upper casing 2, this device is provided projectingly on the inside surface of upper casing 2, the outside surface of the bottom of battery case is protruded from the upper surface of upper casing 2, and utilize vertical space to come at horizontal set battery, thus the bayonet unit can avoided in upper casing 2, structure comparison is compact simultaneously, also correspondingly reduces the volume of smoke alarm.
Be described in detail specific embodiment of the utility model above, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not departing from the equalization conversion and amendment done under spirit and scope of the present utility model, all should be encompassed in scope of the present utility model.

Claims (10)

1. a smoke alarm, comprise housing and be set in turn in the circuit board in described housing, collection cigarette case, piezo and sound chamber, it is characterized in that, also comprise button post, described circuit board is provided with key-press module, described collection cigarette case is provided with the first through hole, described button post is slidably located in described first through hole, match with the key-press module on described circuit board in one end of described button post, the other end of described button post is connected with described sound chamber, described sound chamber is slidably located in described housing, the glide direction in described sound chamber is identical with the glide direction of described button post, described smoke alarm drives one end of described button post to contact with the key-press module on described circuit board by the slip in described sound chamber and sends push button signalling.
2. smoke alarm as claimed in claim 1, it is characterized in that, the sectional area of described collection cigarette case is equal to or less than the sectional area of described circuit board.
3. smoke alarm as claimed in claim 2, it is characterized in that, the other end of described button post is fixedly connected with described sound chamber.
4. smoke alarm as claimed in claim 3, is characterized in that, is also provided with back-moving spring between described sound chamber and collection cigarette case.
5. smoke alarm as claimed in claim 1, is characterized in that, described housing comprises and is tubular upper casing and lower casing, is also provided with the guard of the filtered air impurity of annular between described upper casing and lower casing.
6. smoke alarm as claimed in claim 5, it is characterized in that, described guard is made up of laser bonding.
7. smoke alarm as claimed in claim 1, it is characterized in that, also comprise the light-guiding pillar of conducting light, described circuit board is also provided with LED, one end of described light-guiding pillar is connected with described LED, the other end and the described housing of described light-guiding pillar are interlinked to the outside, by described light-guiding pillar by outside light-output housing.
8. smoke alarm as claimed in claim 7, it is characterized in that, described sound chamber is also provided with printing opacity shell, described collection cigarette case is also provided with the second through hole, described light-guiding pillar is located in described second through hole, and the other end of described light-guiding pillar is connected with the printing opacity shell on described sound chamber.
9. smoke alarm as claimed in claim 1, it is characterized in that, also comprise battery, described battery is located between circuit board and housing.
10. smoke alarm as claimed in claim 9, it is characterized in that, described housing is also provided with the battery case matched with described battery, described battery case protrudes from the outside surface of described housing.
CN201420594178.9U 2014-10-14 2014-10-14 Smoke alarm Active CN204390398U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201420594178.9U CN204390398U (en) 2014-10-14 2014-10-14 Smoke alarm
EP15189646.1A EP3018640A3 (en) 2014-10-14 2015-10-13 A smoke alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420594178.9U CN204390398U (en) 2014-10-14 2014-10-14 Smoke alarm

Publications (1)

Publication Number Publication Date
CN204390398U true CN204390398U (en) 2015-06-10

Family

ID=53363099

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420594178.9U Active CN204390398U (en) 2014-10-14 2014-10-14 Smoke alarm

Country Status (2)

Country Link
EP (1) EP3018640A3 (en)
CN (1) CN204390398U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516397A (en) * 2017-09-28 2017-12-26 深圳市泰和安科技有限公司 Optical detector of fire smoke
CN109411260A (en) * 2018-11-07 2019-03-01 北京汽车研究总院有限公司 A kind of switch for vehicle and vehicle

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* Cited by examiner, † Cited by third party
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CN114648846A (en) * 2020-12-21 2022-06-21 大连理工江苏研究院有限公司 Alarm device based on quantum communication and implementation method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516397A (en) * 2017-09-28 2017-12-26 深圳市泰和安科技有限公司 Optical detector of fire smoke
CN109411260A (en) * 2018-11-07 2019-03-01 北京汽车研究总院有限公司 A kind of switch for vehicle and vehicle

Also Published As

Publication number Publication date
EP3018640A3 (en) 2016-07-27
EP3018640A2 (en) 2016-05-11

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