CN114863632A - Smoke alarm - Google Patents
Smoke alarm Download PDFInfo
- Publication number
- CN114863632A CN114863632A CN202210569968.0A CN202210569968A CN114863632A CN 114863632 A CN114863632 A CN 114863632A CN 202210569968 A CN202210569968 A CN 202210569968A CN 114863632 A CN114863632 A CN 114863632A
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- Prior art keywords
- cabin
- smoke alarm
- light
- cabins
- cylindrical shell
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- 239000000779 smoke Substances 0.000 title claims abstract description 85
- 239000011324 bead Substances 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 31
- 230000000630 rising effect Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000011049 pearl Substances 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 108010066114 cabin-2 Proteins 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 230000003760 hair shine Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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Classifications
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- 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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- 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)
Abstract
The invention provides a smoke alarm, which comprises a cylindrical shell, wherein a plurality of lamp source cabins are annularly arrayed along the axis of the cylindrical shell, ultraviolet emission lamp beads are fixedly arranged in the lamp source cabins, the space of a UV glue containing cabin is compressed by rising the lamp source cabins, then UV glue stored in the smoke alarm cabins is extruded out from a mounting groove, a plurality of lamp source cabins are also provided with a reflection plate in an overturning manner, the reflection plate refracts light sources emitted by the ultraviolet emission lamp beads in the upper direction or the lower direction, and the annular shielding sheet is annularly arrayed along the axis of the annular shielding sheet and provided with light holes which are consistent with the lamp source cabins in number and are in one-to-one correspondence with the lamp source cabins, the installation speed is greatly improved, and the requirements of smoke monitoring and real-time disinfection in a specific scene are met.
Description
Technical Field
The invention relates to the technical field of photoelectric smoke alarms, in particular to a smoke alarm.
Background
A smoke alarm mounting structure of publication number "CN 213582483U" among the prior art, including the smoke alarm body, the equal fixedly connected with L shape fixed block in top of smoke alarm body both sides, the top fixedly connected with block of L shape fixed block, the spout has all been seted up to the top and the bottom of block inner wall, the inside sliding connection of spout has the slider. The utility model discloses a smoke alarm body, L shape fixed block, spout, slider, riser, horizontal pole, spring, pull ring, draw-in groove one, kelly, base, fixed plate, draw-in groove two, spacing groove, stop gear and chucking mechanism cooperation are used, can the quick installation smoke alarm of convenient to use person, and the effectual smoke alarm of having solved need demolish smoke alarm wholly when changing the battery, and this smoke alarm possesses convenient to detach's effect, and convenient to use person uses, has improved smoke alarm's practicality.
However, the above-described smoke alarm mounting structure still has significant drawbacks in use: 1. when the alarm is fixed with a wall surface, the wall surface can be punched and damaged, and the appearance of the wall surface after the alarm is detached is influenced; 2. the function of above-mentioned device is comparatively single, only can realize the effect of smoke alarm, is unfavorable for the function integration of device.
Disclosure of Invention
The invention aims to provide a smoke alarm to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a smoke alarm comprises a cylindrical shell, wherein a plurality of light source cabins are arranged on the periphery of the cylindrical shell in an annular array mode along the axis of the cylindrical shell, ultraviolet emission lamp beads are fixedly arranged in the light source cabins, the middle part of the cylindrical shell is provided with a smoke alarm cabin in an ascending and descending mode through an arranged ascending and descending groove, the smoke alarm cabin and the closed area of the ascending and descending groove form a UV (ultraviolet) glue containing cabin, the UV glue containing cabin is communicated with a mounting groove through a UV glue groove arranged in the cylindrical shell, the smoke alarm cabin compresses the space of the UV glue containing cabin through ascending and then extrudes UV glue stored in the smoke alarm cabin through the mounting groove, a plurality of light source cabins are further provided with a reflector in an overturning mode, the light source emitted by the ultraviolet emission lamp beads is refracted by the reflector in the upward or downward two directions, the mounting grooves are arranged above the reflector, and light holes are formed in the reflector, the light-transmitting holes are used for guiding ultraviolet light emitted by the ultraviolet emission lamp beads into refraction grooves arranged in the cylindrical shell one by one, a plurality of refraction grooves are gathered at a light-gathering bead arranged at the axis of the smoke alarm cabin, the light-gathering bead gathers a plurality of ultraviolet beams entering the refraction groove, a light-sensitive plate is fixedly arranged in the smoke alarm cabin, the axis connecting line of the light inlet hole of the light sensing plate and the axis connecting line of the light gathering bead are arranged in a staggered manner, the light gathering bead and the light sensing plate are shielded by the light shielding labyrinth in the smoke alarm cabin, the bottom of the cylindrical shell is also movably provided with annular shielding pieces through shielding ring assembly grooves, the annular shielding pieces are annularly arrayed along the axis of the annular shielding pieces and are provided with light holes which are consistent with the lamp source cabins in number and correspond to the lamp source cabins one by one, the light holes and the non-light-transmitting areas of the annular shielding sheet are alternately matched with the bottom of the light source cabin so as to change the downward irradiation state of ultraviolet rays.
Preferably, the driving mechanism of the annular shielding piece is a rotating motor, the outer edge of the annular shielding piece is provided with teeth meshed with a driving turntable, the driving turntable is fixedly installed on a driving shaft of the rotating motor, and the rotating motor is fixedly installed in the cylindrical shell.
Preferably, be provided with a plurality of extrusion springs in the UV glues holding cabin, it is a plurality of extrusion spring is connected cylindrical shell and smoke alarm cabin, the lift groove is located refraction groove and spotlight pearl junction still fixed mounting have annular shielding plate, annular shielding plate activity is inserted and is located in the seal groove that smoke alarm cabin was seted up.
Preferably, the turnover driving mechanism of the reflector is a smoke alarm cabin, a tooth socket meshed with the driving gear is formed in the outer edge of the smoke alarm cabin, the driving gear is connected with a driven pulley through a wheel shaft, the driven pulley is connected with a deflection pulley through a conveying belt, the deflection pulley is fixedly installed on the side edge of the reflector, a reset shaft sleeve is coaxially arranged on one side, away from the deflection pulley, of the reflector, the reset shaft sleeve is fixedly installed in the lamp source cabin, and the reset shaft sleeve is used for keeping the reflector in a downward turnover state under the condition of no external force.
Preferably, the smoke alarm cabin is located outside the shading labyrinth and is further fixedly provided with a porous mesh enclosure.
Preferably, a touch switch is further installed on the cylindrical shell at the top of the UV glue containing cabin, and the smoke alarm cabin ascends to contact the touch switch to control the irradiation of the ultraviolet emission lamp beads.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the cylindrical shell is fixed on the wall surface or the plate surface through the UV photosensitive adhesive, the wall surface does not need to be punched in the whole installation process, the attractiveness of the wall surface is effectively improved, the UV photosensitive adhesive is rapidly cured, and the installation speed is greatly improved compared with a punching screw fixing type installation mode;
2. the smoke alarm not only can be used as a smoke alarm, but also can be used as an ultraviolet sterilization device, has various functions, greatly meets the requirements of smoke monitoring and real-time sterilization in a specific scene, and integrates various functions;
3. the ultraviolet light beams emitted by the ultraviolet emission lamp beads are used as detection beams of the smoke alarm, can sterilize the environment and can be used as a curing light source of UV photosensitive adhesive in the installation process of the smoke alarm, and the utilization rate of the light source is greatly improved.
The ultraviolet ray beam emitted by the ultraviolet emission lamp bead is used as a detection beam of the smoke alarm, can sterilize the environment and can be used as a curing light source of the UV photosensitive adhesive in the installation process of the smoke alarm, so that the installation speed is greatly improved, and the smoke monitoring and real-time disinfection requirements in a specific scene are met.
Drawings
FIG. 1 is a schematic disassembled view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the internal structure of the cylindrical housing of the present invention;
FIG. 3 is a schematic view of the upturned structure of the reflector panel of the present invention in the lamp source compartment;
FIG. 4 is a schematic view of the reflector of the present invention in an upturned state;
FIG. 5 is a schematic view of the reflector of the present invention in a downward-turned state;
FIG. 6 is a schematic view of a position of a light-sensing plate according to the present invention;
fig. 7 is a schematic view of the reflector turnover mechanism of the present invention.
In the figure: 1 cylindrical shell, 2 lamp source cabins, 3 ultraviolet emission lamp pearls, 4 lift grooves, 5 smoke alarm cabins, 6UV glues the holding cabin, 7UV glues the groove, 8 mounting grooves, 9 reflector panels, 10 light trap, 11 refraction grooves, 12 spotlight pearls, 13 photoscreen board, 14 shading labyrinth, 15 shelters from the ring mounting groove, 16 annular shielding piece, 17 light trap, 18 rotating electrical machines, 19 extrusion spring, 20 annular shielding board, 21 seal groove, 22 driving gear, 23 driven pulleys, 24 deflection pulleys, 25 axle sleeve that resets, 26 porous screen panels, 27 touch switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1-7, the present invention provides a technical solution:
the first embodiment is as follows:
a smoke alarm comprises a cylindrical shell 1, a plurality of light source cabins 2 are arranged on the periphery of the cylindrical shell 1 along the axis of the cylindrical shell in an annular array mode, ultraviolet emission lamp beads 3 are fixedly installed in the light source cabins 2, a smoke alarm cabin 5 is arranged in the middle of the cylindrical shell 1 in an up-down mode through an arranged lifting groove 4, a UV glue containing cabin 6 is formed in the closed area of the smoke alarm cabin 5 and the lifting groove 4, the UV glue containing cabin 6 is communicated with a mounting groove 8 through an UV glue groove 7 arranged in the cylindrical shell 1, the smoke alarm cabin 5 compresses the space of the UV glue containing cabin 6 through rising and extrudes UV glue stored in the UV glue containing cabin through the mounting groove 8, a reflector 9 is arranged in the light source cabins 2 in an overturning mode, the light source emitted by the ultraviolet emission lamp beads 3 is refracted by the reflector 9 in the upward or downward direction, the mounting groove 8 is arranged above the reflector 9, light holes 10 are formed in the reflector 9, the light holes 10 are used for guiding ultraviolet light emitted by the ultraviolet emission lamp beads 3 into refraction grooves 11 formed in the cylindrical shell 1 one by one, the refraction grooves 11 are gathered at a light gathering bead 12 arranged at the axis of the smoke alarm cabin 5, the light gathering bead 12 gathers a plurality of ultraviolet beams entering the refraction grooves 11, a light sensing plate 13 is fixedly arranged in the smoke alarm cabin 5, a line of the axis of a light inlet hole of the light sensing plate 13 is arranged in a staggered mode with a line of the axis of the light gathering bead 12, the light gathering bead 12 and the light sensing plate 13 are shielded in the smoke alarm cabin 5 through a light shielding labyrinth 14, an annular shielding sheet 16 is movably arranged at the bottom of the cylindrical shell 1 through a shielding ring assembling groove 15, the annular shielding sheet 16 is provided with light holes 17 which are consistent in number and correspond to the lamp source cabin 2 one by one along the axis of the annular shielding sheet 16 in an annular array mode, and the light holes 17 and non-light transmission areas of the annular shielding sheet 16 are alternately matched with the bottom of the lamp source cabin 2 so as to change the downward irradiation state of the ultraviolet light.
In the embodiment, the cylindrical shell 1 is used as a bearing mechanism of each part, a lamp source cabin 2 is arranged in the cylindrical shell 1, light source triggering is realized by the light emitting of the ultraviolet emitting lamp bead 3, the ultraviolet emitting lamp bead 3 in the embodiment is powered by an external power supply, specifically, the power line can be connected to a wall top or a wall surface, the on-off regulation of the ultraviolet emitting lamp bead 3 is realized by a wall surface switch, the smoke alarm cabin 5 is arranged in the lifting groove 4 in a lifting way, in the installation process of the cylindrical shell 1, the UV glue in the UV glue containing cabin 6 is enabled to enter the mounting groove 8 by upwards extruding the smoke alarm cabin 5, as the mounting groove 8 is contacted with the wall surface or the plate surface, the gap between the cylindrical shell 1 and the wall surface is filled by the UV glue, in the ascending process of the smoke alarm cabin 5, the light emitted by the ultraviolet emitting lamp bead 3 is refracted upwards by the reflecting plate 9, the area irradiated upwards by the cylindrical shell 1 is made of transparent material, UV glue is directly irradiated by ultraviolet light to enable the UV glue to be cured quickly, then the cylindrical shell 1 is firmly installed on a wall surface or a plate surface, the installation mode is quick and cannot damage the wall surface, after the installation is finished, the smoke alarm cabin 5 is in an initial state, the reflector 9 is in a downward turning state, most of the ultraviolet light emitted by the ultraviolet emission lamp beads 3 is deflected downwards through the reflector 9, so that the installation space is sterilized and disinfected, the ultraviolet light is harmful to human bodies, and therefore the ultraviolet light is required to be shielded by the arrangement of the annular shielding piece 16 when people are in the space, the light is irradiated to the external space through the light transmitting holes 17 through the transparent material arranged at the bottom of the lamp source cabin 2 when the sterilization and disinfection are required, and meanwhile, the light emitted by the ultraviolet emission lamp beads 3 also enters the refraction groove 11 through the light transmitting holes 10, multiple reflection through the refraction groove 11 finally enters the smoke alarm cabin 5 through the light-gathering bead 12, because the axis connecting line of the light inlet hole of the light-sensing plate 13 and the axis connecting line of the light-gathering bead 12 are arranged in a staggered way, ultraviolet rays cannot enter the light-sensing plate 13 in normal environment, when smoke is generated in fire and the like, gas suspended matters scatter ultraviolet rays, so that a part of ultraviolet rays enter the light-sensing plate 13, the light-sensing plate 13 detects light source irradiation and enters smoke alarm operation, the alarm mode is a common mode of photoelectric smoke alarms in the prior art, and is not repeated, when the annular shielding sheet 16 shields the ultraviolet rays, the ultraviolet emission beads 3 can completely shield the refracted light rays, and are in a smoke alarm detection state, at the moment, the power of the ultraviolet emission beads 3 can be properly adjusted to further reduce the intensity of the light source, thereby saving the use of electric energy when the environment does not need to be disinfected and sterilized.
Example two:
in this embodiment, the driving mechanism of the annular shielding piece 16 is a rotating motor 18, teeth engaged with the driving turntable are formed on the outer edge of the annular shielding piece 16, the driving turntable is fixedly mounted on the driving shaft of the rotating motor 18, the rotating motor 18 is fixedly mounted in the cylindrical housing 1, the annular shielding piece 16 is driven to rotate by the rotation of the rotating motor 18, and then the light-transmitting holes 17 and the non-light-transmitting regions of the annular shielding piece 16 are alternately matched with the bottom of the lamp source chamber 2, so that the downward irradiation state of ultraviolet rays is changed.
Example three:
in this embodiment, be provided with a plurality of extrusion springs 19 in the UV glue holding cabin 6, a plurality of extrusion springs 19 are connected cylindrical shell 1 and smoke alarm cabin 5, it has annular shielding plate 20 still fixed mounting to be located refraction groove 11 and spotlight pearl 12 junction to go up and down groove 4, annular shielding plate 20 activity is inserted and is located in the seal groove 21 that smoke alarm cabin 5 was seted up, in this embodiment, protect refraction groove 11 and spotlight pearl 12 junction through annular shielding plate 20, thereby prevent that UV from gluing from getting into thereby the light that influences in the refraction groove 11 from kicking into spotlight pearl 12 inside smoothly.
Example four:
in this embodiment, the turning driving mechanism of the reflector 9 is a smoke alarm chamber 5, the outer edge of the smoke alarm chamber 5 is provided with a tooth slot engaged with the driving gear 22, the driving gear 22 is connected with the driven pulley 23 through a wheel shaft, the driven pulley 23 is connected with the deflection pulley 24 through a conveyor belt, the deflection pulley 24 is fixedly installed at the side edge of the reflector 9, a reset shaft sleeve 25 is coaxially arranged at one side of the reflector 9 away from the deflection pulley 24, the reset shaft sleeve 25 is fixedly installed in the lamp source chamber 2, the reset shaft sleeve 25 is used for keeping the reflector 9 in a downward turning state without external force, when the smoke alarm cabin 5 rises, the driving gear 22 is driven to rotate, the driving gear 22 rotates to drive the driven belt wheel 23 to rotate, the driven belt wheel 23 rotates to drive the deflection belt wheel 24 to synchronously rotate, the rotation of the deflection belt wheel 24 drives the reflector 9 to rotate, and then the light emergent direction of the ultraviolet emission lamp bead 3 is adjusted.
Example five:
in this embodiment, the smoke alarm cabin 5 is located outside the shading labyrinth 14, and a porous mesh enclosure 26 is further fixedly installed on the outer side of the shading labyrinth 14, so that flocculent substances suspended in air are shielded by the porous mesh enclosure 26, and the interference of the flocculent substances on the normal light receiving of the light sensing plate 13 is prevented.
Example six:
in this embodiment, still install touch switch 27 on the cylindrical casing 1 at UV gluey holding cabin 6 top, smoke alarm cabin 5 rises to touch switch 27 and is used for controlling ultraviolet emission lamp pearl 3 and shines, when smoke alarm cabin 5 rises to touch switch 27, ultraviolet emission lamp pearl 3 shines under well accuse MCU's effect this moment, through the position of this kind of mode intellectual detection system smoke alarm cabin 5, and then can accomplish cylindrical casing 1's installation rapidly in the installation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A smoke alarm comprising a cylindrical housing (1), characterised in that: the novel lamp house is characterized in that a plurality of lamp source cabins (2) are arranged in an annular array mode around the axis of the cylindrical shell (1), ultraviolet emission lamp beads (3) are fixedly arranged in the lamp source cabins (2), the middle of the cylindrical shell (1) is provided with a smoke alarm cabin (5) in an up-down mode through an arranged lifting groove (4), the smoke alarm cabin (5) and the lifting groove (4) form a UV glue containing cabin (6) in a closed area, the UV glue containing cabin (6) is communicated with a mounting groove (8) through a UV glue groove (7) arranged in the cylindrical shell (1), the smoke alarm cabin (5) compresses the space of the UV glue containing cabin (6) through rising and then extrudes UV glue stored in the UV glue containing cabin from the mounting groove (8), a plurality of turnover type reflector plates (9) are further arranged in the lamp source cabins (2), and the light sources emitted by the ultraviolet emission lamp beads (3) are refracted by the reflector plates (9) in two directions upwards or downwards, the mounting groove (8) is arranged above the reflector (9), the reflector (9) is provided with a light hole (10), the light hole (10) is used for guiding ultraviolet light emitted by ultraviolet light emitting lamp beads (3) into a refraction groove (11) formed in the cylindrical shell (1) one by one, the refraction grooves (11) are all converged at a light gathering bead (12) arranged at the axis of the smoke alarm cabin (5), the light gathering bead (12) gathers a plurality of ultraviolet beams entering the refraction grooves (11), the smoke alarm cabin (5) is internally and fixedly provided with a light sensing plate (13), the light inlet hole axis connecting line of the light sensing plate (13) and the axis connecting line of the light gathering bead (12) are arranged in a staggered manner, and the smoke alarm cabin (5) is internally and also shelters from the light gathering bead (12) and the light sensing plate (13) through a shading labyrinth (14), the bottom of the cylindrical shell (1) is also movably provided with an annular shielding piece (16) through a shielding ring assembly groove (15), the annular shielding piece (16) is provided with light holes (17) which are consistent with the number of the light source cabins (2) and correspond to the light source cabins one by one in an annular array mode along the axis of the annular shielding piece, and the light holes (17) of the annular shielding piece (16) are alternately matched with the non-light-transmitting area and the bottom of the light source cabins (2) so as to change the downward irradiation state of ultraviolet rays.
2. A smoke alarm according to claim 1 wherein: the driving mechanism of the annular shielding piece (16) is a rotating motor (18), teeth meshed with a driving turntable are arranged on the outer edge of the annular shielding piece (16), the driving turntable is fixedly installed on a driving shaft of the rotating motor (18), and the rotating motor (18) is fixedly installed in the cylindrical shell (1).
3. A smoke alarm according to claim 1 wherein: be provided with a plurality of extrusion springs (19) in UV glues holding cabin (6), it is a plurality of extrusion spring (19) are connected cylindrical shell (1) and smoke alarm cabin (5), lift groove (4) are located refraction groove (11) and spotlight pearl (12) junction still fixed mounting have annular shielding plate (20), annular shielding plate (20) activity is inserted and is located seal groove (21) that smoke alarm cabin (5) were seted up.
4. A smoke alarm according to claim 1 wherein: the turnover driving mechanism of the reflector (9) is a smoke alarm cabin (5), the smoke alarm cabin (5) is externally provided with tooth grooves meshed with the driving gear (22) along the edge, the driving gear (22) is connected with the driven pulley (23) through a wheel shaft, the driven pulley (23) is connected with the deflection pulley (24) through a conveying belt, the deflection pulley (24) is fixedly arranged on the side edge of the reflector (9), the reflector (9) is far away from one side of the deflection pulley (24) and is coaxially provided with a reset shaft sleeve (25), the reset shaft sleeve (25) is fixedly arranged in the lamp source cabin (2), and the reset shaft sleeve (25) is used for keeping the reflector (9) in a downward turnover state under the action of no external force.
5. A smoke alarm according to claim 1 wherein: and the smoke alarm cabin (5) is positioned outside the shading labyrinth (14) and is also fixedly provided with a porous mesh enclosure (26).
6. A smoke alarm according to claim 1 wherein: a touch switch (27) is further installed on the cylindrical shell (1) at the top of the UV glue accommodating cabin (6), and the smoke alarm cabin (5) ascends to contact the touch switch (27) to control the irradiation of the ultraviolet emission lamp beads (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569968.0A CN114863632B (en) | 2022-05-24 | 2022-05-24 | Smoke alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569968.0A CN114863632B (en) | 2022-05-24 | 2022-05-24 | Smoke alarm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114863632A true CN114863632A (en) | 2022-08-05 |
| CN114863632B CN114863632B (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210569968.0A Active CN114863632B (en) | 2022-05-24 | 2022-05-24 | Smoke alarm |
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| Country | Link |
|---|---|
| CN (1) | CN114863632B (en) |
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| KR20210054098A (en) * | 2019-11-04 | 2021-05-13 | 대진대학교 산학협력단 | Smoke sensor device |
-
2022
- 2022-05-24 CN CN202210569968.0A patent/CN114863632B/en active Active
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|---|---|---|---|---|
| US4226533A (en) * | 1978-09-11 | 1980-10-07 | General Electric Company | Optical particle detector |
| US20160334076A1 (en) * | 2015-05-15 | 2016-11-17 | Google Inc. | Optical Signaling System for a Smart-Home Device |
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| CN211044476U (en) * | 2020-01-19 | 2020-07-17 | 杭州海康消防科技有限公司 | Smoke-sensitive labyrinth and smoke-sensitive detector |
| CN210865019U (en) * | 2020-01-20 | 2020-06-26 | 上海中环科仪消防报警设备有限公司 | Smoke detection device with light guide scattering structure |
| CN212966441U (en) * | 2020-10-16 | 2021-04-13 | 深圳市安达家科技有限公司 | Smoke induction alarm with multiple contacts |
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| CN114863632B (en) | 2023-05-09 |
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