CN209118457U - A kind of novel smoke detector - Google Patents
A kind of novel smoke detector Download PDFInfo
- Publication number
- CN209118457U CN209118457U CN201822155979.6U CN201822155979U CN209118457U CN 209118457 U CN209118457 U CN 209118457U CN 201822155979 U CN201822155979 U CN 201822155979U CN 209118457 U CN209118457 U CN 209118457U
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- guide plate
- light guide
- light
- smoke detector
- lower casing
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Abstract
The utility model relates to a kind of novel smoke detectors, including shell, smoke detection mechanism, circuit board, battery, the shell is composed of sequentially connected upper casing, middle part mounting disc and lower casing, a circle smoke intaking hole is formed with the ring wall of upper casing is radially uniform, at middle part, the upper surface of mounting disc installs smoke detection mechanism towards upper casing, towards lower casing mounting circuit boards, battery, buzzer below the mounting disc of middle part, optoelectronic switch mechanism is installed towards user in the bottom surface of lower casing.For the utility model by smoke intaking hole system on the top of shell, labyrinth is corresponding towards upper.Smoke intaking hole is close apart from wall top, and dust is not easy to fall into smoke intaking hole.Switch is combined together with indicator light, light guide plate not only makees switch but also lamp of giving instruction, and the indicator light area of cigarette sense is big than in the prior art, indicates clearer and rich beautiful.
Description
Technical field
The utility model belongs to fire-fighting domain, is related to cigarette sense, especially a kind of novel smoke detector.
Background technique
Common smoke detector in the market, smoke intaking hole are to make in the lower part of shell, and corresponding labyrinth is this also under
The shortcomings that design is: dust is easy to enter in detector housing from smoke intaking hole, and dust stratification influences the Normal Alarm of detector too much.This
Outside, it in order to avoid winged insect enters in labyrinth from smoke intaking hole, needs additionally to purchase protection net and encases smoke intaking hole.Moreover, switch and
Alarm lamp be it is independent, be separately mounted on shell, cause aperture on shell more, not only unsightly, production cost
It is relatively high.
Utility model content
The purpose of the utility model is to overcome providing in place of the deficiencies in the prior art, one kind is dust-proof, is easily installed, beautiful
Novel smoke detector.
The utility model technical scheme applied to solve the technical problem is:
A kind of novel smoke detector, including shell, smoke detection mechanism, circuit board, battery, the shell is by successively
Upper casing, middle part mounting disc and the lower casing of connection are composed, and a circle smoke intaking hole are formed with the ring wall of upper casing is radially uniform, at middle part
The upper surface of mounting disc installs smoke detection mechanism towards upper casing, towards lower casing mounting circuit boards, electricity below the mounting disc of middle part
Pond, buzzer, the bottom surface of lower casing towards user install optoelectronic switch mechanism, the smoke detection mechanism include pedestal,
Upper cover, infrared-emitting diode, infrared receiving diode integrally produce two light conducting cylinders in the bottom surface mirror symmetry of pedestal, and two lead
Light cylinder is connected to chassis interior, and infrared-emitting diode is inserted in a wherein light conducting cylinder, is inserted in another light conducting cylinder
Infrared receiving diode, infrared-emitting diode and infrared receiving diode are respectively welded on circuit boards.
Moreover, being formed with a strip grooves between infrared-emitting diode and infrared receiving diode on circuit boards, two is guide-lighting
Cylinder is passed through from the strip grooves.
Moreover, the upper cover is Double-wall-layer structure, inner wall is spaced apart with outer wall, equal in the inner ring surface of inner wall layer
Even to be formed with a circle grating, the grating produced with upper cover inner face is collectively as labyrinth；It is uniformly formed with mesh in outer wall layer, is used as net
Cover.
Moreover, two location holes are symmetrically formed on upper cover plate between inner wall layer and outer wall layer, two location hole and pedestal
On produce locating rod cooperation, locating rod be inserted into positioning hole.
Moreover, being formed with a circle support rod in pedestal, which gos deep between the inner wall layer of upper cover and outer wall layer.
Moreover, the optoelectronic switch mechanism is to be formed with a circular hole in lower casing bottom surface, it is round guide-lighting that one is clamped at circular hole
Plate, light guide plate close circular hole, light guide plate it is outer facing towards user, in the inner face radial symmetric system of light guide plate, there are three guide-lighting
Column, three light-guiding pillars are corresponded with three LED light on circuit board, are formed with a switch feeler lever in the inner face of light guide plate, this is opened
Pass feeler lever is opposite with the switch of installation on circuit boards, and the pressing rebounding mechanism of light guide plate is installed between light guide plate and lower casing.
Moreover, the pressing rebounding mechanism is to produce three resilient plates in the outer rim radial symmetric of circular hole, three can
Rebound board is connect with light guide plate by connecting rod.
Moreover, in the inner face radial symmetric system of light guide plate, there are three buckles, are formed with card hole in the corresponding buckle of the outer rim of circular hole.
The advantages and positive effects of the utility model are as follows:
1, for the utility model by smoke intaking hole system on the top of shell, labyrinth is corresponding towards upper.Smoke intaking hole is close apart from wall top, ash
Dirt is not easy to fall into smoke intaking hole.
2, the utility model will be switched and is combined together with indicator light, and light guide plate not only makees switch but also lamp of giving instruction, than existing
The indicator light area of cigarette sense in technology is big, indicates clearer and rich beautiful.
3, the upper cover in the utility model labyrinth is Double-wall-layer structure, is uniformly formed with mesh in outer wall layer, is used as mesh enclosure.Structure
Rationally, installation is simple for design.
Detailed description of the invention
Fig. 1 is the structure chart of this smoke detector；
Fig. 2 is smoke detection mechanism structure figure；
Fig. 3 is the structural front view of upper cover in Fig. 2；
Fig. 4 is the bottom view of Fig. 3；
Fig. 5 is the structural front view of pedestal in Fig. 2；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the bottom view of lower casing in Fig. 1；
Fig. 8 is the top view of the lower casing of Fig. 1；
The A-A that Fig. 9 is Fig. 7 is to cross-sectional view (band circuit board).
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by specific embodiment, and following embodiment is only retouched
The property stated, it is not restrictive, protection scope of this utility model cannot be limited by this.
A kind of novel smoke detector, including shell, smoke detection mechanism 5, circuit board 6, battery 7, the shell by
Sequentially connected upper casing 1, middle part mounting disc 2 and lower casing 3 are composed, and up-narrow and down-wide taper is made in upper casing, on the top of upper casing
Wheat flour has bolt mounting holes, is formed with a circle smoke intaking hole 4 the ring wall of upper casing is radially uniform, and at middle part, the upper surface of mounting disc is towards upper
Shell installs smoke detection mechanism, towards lower casing mounting circuit boards, battery, buzzer below the mounting disc of middle part, in lower casing
Optoelectronic switch mechanism 8 is installed towards user in bottom surface.
The smoke detection mechanism includes pedestal 5-2, upper cover 5-1, infrared-emitting diode 9, infrared receiving diode
10, pedestal and upper cover are circle, and upper cover spiral-lock is on pedestal.Two light conducting cylinder 5- are integrally produced in the bottom surface mirror symmetry of pedestal
3, two light conducting cylinders are arranged in splayed, and two light conducting cylinders are connected to chassis interior, insert infrared emission in a wherein light conducting cylinder
Diode inserts infrared receiving diode, infrared-emitting diode and infrared receiving diode difference in another light conducting cylinder
Welding is on circuit boards.A strip grooves are formed between infrared-emitting diode and infrared receiving diode on circuit boards, two lead
Light cylinder is passed through from the strip grooves.
The upper cover is Double-wall-layer structure, and inner wall is spaced apart with outer wall, uniformly makes in the inner ring surface of inner wall layer
There is a circle grating 5-1-3, the grating 5-1-4 produced with upper cover inner face is collectively as labyrinth 5-1-2；Net is uniformly formed in outer wall layer
Hole is used as mesh enclosure 5-1-1.
Two location hole 5-1-5 are symmetrically formed on upper cover plate between inner wall layer and outer wall layer, two location hole and pedestal
On the locating rod 5-2-1 cooperation produced, locating rod is inserted into positioning hole, positions for upper cover and the spiral-lock of pedestal.
A circle support rod 5-2-2 is formed in pedestal, which gos deep between the inner wall layer of upper cover and outer wall layer, play
Support the effect of upper cover.
Smog out of, mesh enclosure enters labyrinth and pedestal surrounds section, meet by the infrared light that infrared-emitting diode issues at this time
It is scattered to smog, infrared receiving diode by photoelectric conversion circuit converts optical signals to electric signal after receiving, and passes through
It is transferred on circuit board after amplifier amplification and handles chip, if processing chip judgement measured value is more than that threshold values starts buzzer
And LED light, alarm is issued, is come into the picture.
The optoelectronic switch mechanism is to be formed with a circular hole in lower casing bottom surface, and a circular light guide plate 8- is clamped at circular hole
1, light guide plate is transparent plastics material, and light guide plate closes circular hole, light guide plate it is outer facing towards user, in the interior face diameter of light guide plate
To symmetrical system there are three 8-2 is buckled, card hole is formed in the corresponding buckle of the outer rim of circular hole.Three are produced in the outer rim radial symmetric of circular hole
A resilient plate 8-8, three resilient plates are connect with light guide plate by connecting rod 8-6, and light guide plate can be realized by resilient plate
Press rebound.
Light guide plate inner face radial symmetric system there are three light-guiding pillar 8-3, correspond to light-guiding pillar on lower casing and be formed with light-guiding pillar
Through-hole, three light-guiding pillars are corresponded with three LED light 8-7 on circuit board, and the light that LED light issues is shown in by light-guiding pillar
On light guide plate.A switch feeler lever 8-4, the switch 8-5 of the switch feeler lever and installation on circuit boards are formed in the inner face of light guide plate
Relatively.
After cigarette sense detects smog, it can sound the alarm and shine, light is shown by light guide plate, is sounded all clear and is needed to close
Buzzer is closed, pushes light guide plate to contact switch feeler lever with buzzer switch, to close buzzer.
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, under the premise of not departing from utility model design, various modifications and improvements can be made, these belong to this reality
With novel protection scope.
Claims (8)
1. a kind of novel smoke detector, including shell, smoke detection mechanism, circuit board, battery, the shell is by successively connecting
Upper casing, middle part mounting disc and the lower casing connect is composed, it is characterised in that: is formed with one and is enclosed into cigarette the ring wall of upper casing is radially uniform
Hole, at middle part, the upper surface of mounting disc installs smoke detection mechanism towards upper casing, installs below the mounting disc of middle part towards lower casing
Circuit board, battery, buzzer install optoelectronic switch mechanism, the smoke detection mechanism towards user in the bottom surface of lower casing
Including pedestal, upper cover, infrared-emitting diode, infrared receiving diode, two are integrally produced in the bottom surface mirror symmetry of pedestal and is led
Light cylinder, two light conducting cylinders are connected to chassis interior, infrared-emitting diode are inserted in a wherein light conducting cylinder, in another leaded light
Infrared receiving diode is inserted in cylinder, infrared-emitting diode and infrared receiving diode are respectively welded on circuit boards.
2. novel smoke detector according to claim 1, it is characterised in that: on circuit boards infrared-emitting diode with
A strip grooves are formed between infrared receiving diode, two light conducting cylinders are passed through from the strip grooves.
3. novel smoke detector according to claim 1, it is characterised in that: the upper cover is Double-wall-layer structure, interior
Wall is spaced apart with outer wall, is uniformly formed with a circle grating in the inner ring surface of inner wall layer, and the grating produced with upper cover inner face is total
With as labyrinth；It is uniformly formed with mesh in outer wall layer, is used as mesh enclosure.
4. novel smoke detector according to claim 1, it is characterised in that: the upper cover between inner wall layer and outer wall layer
Two location holes are symmetrically formed on plate, the locating rod produced on two location hole and pedestal cooperates, and locating rod is inserted into positioning hole.
5. novel smoke detector according to claim 1, it is characterised in that: a circle support rod is formed in pedestal, it should
Support rod gos deep between the inner wall layer of upper cover and outer wall layer.
6. novel smoke detector according to claim 1, it is characterised in that: the optoelectronic switch mechanism is in lower casing
Bottom surface is formed with a circular hole, clamps a circular light guide plate at circular hole, and light guide plate closes circular hole, light guide plate it is outer facing towards using
Person, light guide plate inner face radial symmetric system there are three light-guiding pillar, three LED light one on three light-guiding pillars and circuit board are a pair of
It answers, is formed with a switch feeler lever in the inner face of light guide plate, the switch feeler lever is opposite with the switch of installation on circuit boards, in light guide plate
The pressing rebounding mechanism of light guide plate is installed between lower casing.
7. novel smoke detector according to claim 6, it is characterised in that: the pressing rebounding mechanism is in circular hole
Outer rim radial symmetric produce three resilient plates, three resilient plates are connect with light guide plate by connecting rod.
8. novel smoke detector according to claim 6, it is characterised in that: be formed in the inner face radial symmetric of light guide plate
Three buckles are formed with card hole in the corresponding buckle of the outer rim of circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155979.6U CN209118457U (en) | 2018-12-21 | 2018-12-21 | A kind of novel smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155979.6U CN209118457U (en) | 2018-12-21 | 2018-12-21 | A kind of novel smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209118457U true CN209118457U (en) | 2019-07-16 |
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ID=67208461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155979.6U Active CN209118457U (en) | 2018-12-21 | 2018-12-21 | A kind of novel smoke detector |
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| Country | Link |
|---|---|
| CN (1) | CN209118457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509321A (en) * | 2018-12-21 | 2019-03-22 | 天津新亚精诚科技有限公司 | A kind of novel smoke detector |
-
2018
- 2018-12-21 CN CN201822155979.6U patent/CN209118457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509321A (en) * | 2018-12-21 | 2019-03-22 | 天津新亚精诚科技有限公司 | A kind of novel smoke detector |
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