CN116311741B - Fire alarm capable of detecting ambient light and automatically adjusting light brightness - Google Patents
Fire alarm capable of detecting ambient light and automatically adjusting light brightness Download PDFInfo
- Publication number
- CN116311741B CN116311741B CN202310069482.5A CN202310069482A CN116311741B CN 116311741 B CN116311741 B CN 116311741B CN 202310069482 A CN202310069482 A CN 202310069482A CN 116311741 B CN116311741 B CN 116311741B
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- wall
- magnet
- fire alarm
- fixedly connected
- ambient light
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- 239000011521 glass Substances 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims description 36
- 239000012634 fragment Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses a fire alarm capable of detecting ambient light and automatically adjusting light brightness, which comprises a fire alarm body, wherein a light emitting module is arranged on the side wall of the fire alarm body, a fixing groove is formed in the lower side of the fire alarm body, an ambient light detection sensor is arranged on the inner wall of the fixing groove, a rotating ring is rotatably connected to the lower side of the outer wall of the fire alarm body through a bearing, a glass ring is connected to the outer wall of an inner ring of the rotating ring through a ratchet wheel structure, the upper surface of the glass ring is in contact with the lower surface of the fire alarm body, and a transmission mechanism is arranged on the side wall of the fire alarm body.
Description
Technical Field
The invention relates to the technical field of fire alarm, in particular to a fire alarm capable of detecting ambient light and automatically adjusting light brightness.
Background
The fire alarm on the market all has the pilot lamp function at present, and the normal green light is normally bright under the normal detection state, and the yellow light is under the fault condition, and the alarm state is the red light, in order to pursue the pleasing to the eye of product form, the pilot lamp design of many alarms is a light emitting ring, owing to the light emitting area is great, turns off the lamp at night after, can form a local area of shining in the room, forms certain uncomfortable to the people.
Taking a fire alarm as an example, the indicator lamp is required to be clearly visible outside 5 meters under the light illumination of 5-500LX, so that the brightness requirements of the indicator lamp under different light illumination can be different. The luminance of the indicator light on the market is constant at present and the luminance of the indicator light is designed by taking higher ambient luminance as a standard, so that the indicator light is too bright in a dark room and is easy to generate uncomfortable influence on people, the fire alarm with the existing publication number of CN215068544U and capable of detecting ambient light and automatically adjusting the luminance of the light can achieve the effect of automatically adjusting the luminance of the light, but because the alarm is exposed outdoors for a long time, the ambient light detection sensor in the device is easy to be covered by dust, and false alarm is caused, so that a device is needed to avoid the sensor from being shielded.
Disclosure of Invention
The invention aims to provide a fire alarm capable of detecting ambient light and automatically adjusting the brightness of lamplight so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a detectable ambient light and automatically regulated light brightness's fire alarm, includes the fire alarm body, the lateral wall of fire alarm body is provided with light emitting module, the fixed slot has been seted up to the downside of fire alarm body, the inner wall of fixed slot is provided with ambient light detection sensor, the outer wall downside of fire alarm body is connected with the swivel through the bearing rotation, the inner circle outer wall of swivel is connected with the glass ring through ratchet, the upper surface and the lower surface contact of fire alarm body of glass ring, the lateral wall of fire alarm body is provided with drive mechanism, the lateral wall of fire alarm body is located drive mechanism's rear side department and is provided with clean mechanism, the outer wall fixedly connected with vibrations ball of swivel.
According to the technical scheme, the transmission mechanism comprises an air cylinder, the outer wall of the air cylinder is fixedly connected with the side wall of the fire alarm body, the inner wall of the air cylinder is fixedly connected with a first magnet, the lower side of the first magnet is provided with a second magnet, the upper side of the second magnet is in contact with the lower side of the first magnet, the outer wall of the second magnet is in sliding connection with the inner wall of the first magnet, the lower side of the second magnet is fixedly connected with a connecting pipe, the inside of the connecting pipe is hollow, the upper part of the connecting pipe is communicated with the inside of the air cylinder, a rotating pipe is sleeved on the outer wall of the connecting pipe, the inner wall of the rotating pipe is in threaded connection with the outer wall of the connecting pipe, the lower end of the rotating pipe penetrates through the air cylinder and extends to the lower side of the air cylinder, the outer wall of the rotating pipe is in rotary connection with the inner wall of the air cylinder through a bearing, the lower end of the rotating pipe is fixedly connected with a transmission disc, an exhaust channel is arranged in the inside of the transmission disc, the middle of the exhaust channel is communicated with the inside of the rotating pipe, and the upper side of the outer wall of the transmission disc is in contact with the outer wall of the rotating ring.
According to the technical scheme, the cleaning mechanism comprises a fixing pile, the outer wall of the fixing pile is fixedly connected with the outer wall of the fire alarm body, the fixing pile is located at the rear side of the transmission mechanism, the outer wall of the fixing pile is close to one side fixedly connected with spring in the middle of the fire alarm body, one end fixedly connected with bottom plate of the fixing pile is kept away from to the spring, the cleaning brush is fixedly connected with the upper side of the bottom plate, the upper side of the cleaning brush is in contact with the lower surface of the glass ring, and one side, close to the fixing pile, of the upper side of the outer wall of the bottom plate is fixedly connected with a spring sheet.
According to the technical scheme, the upper end of the elastic piece extends to the upper side of the middle part of the outer wall of the swivel, the distance from the upper end of the elastic piece to the middle part of the outer wall of the swivel is smaller than the radius of the vibration ball, and the elastic piece is made of elastic metal materials.
According to the technical scheme, the first magnet and the second magnet are magnetic, the lower side of the first magnet is an N pole, the upper side of the second magnet is an S pole, and the attraction force between the first magnet and the second magnet is greater than the sum of the gravity force borne by the connecting pipe, the rotating pipe and the transmission disc.
According to the technical scheme, the height of one end of the exhaust channel, which is positioned on the outer side of the transmission disc, is consistent with the height of the cleaning brush.
According to the technical scheme, the glass ring is positioned at the lower side of the ambient light detection sensor, and the glass ring shields the lower side of the mounting groove.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, when the fire alarm is used, the fire alarm body is arranged on a roof, and then the environmental light detection sensor is shielded by the glass ring, so that dust can be prevented from directly contacting with the environmental light detection sensor, and the environmental light detection sensor is prevented from being exposed in the air for a long time and being attached with pollutants;
when the temperature rises in the daytime, the gas in the inflator expands, the second magnet suddenly descends, the rotary pipe rotates, the rotary pipe drives the transmission disc to rotate the rotary ring, the rotary ring drives the glass ring to rotate, the surface of the glass ring is cleaned when passing through the upper side of the cleaning brush, the effect of slow rotation and cleaning is achieved, dust accumulation is prevented from shielding the ambient light detection sensor,
the second magnet and the connecting pipe are quickly lowered, gas in the inflator enters the connecting pipe through the upper side of the connecting pipe, and then is sprayed out through the way of the exhaust channel in the rotary pipe and the transmission disc, so that the effect that the air flow blows the cleaning brush through the exhaust channel is achieved, and the dust on the cleaning brush is blown away by the air flow blown out by the exhaust channel, so that the cleaning brush can be better cleaned;
the vibration ball on the swivel can be made to pass through the shell fragment department when the swivel is driven by the driving disk to rotate, because the shell fragment is to the effect of blockking of vibration ball, can make the shell fragment deform and hold the passing of vibration ball, after vibration ball passes through, the shell fragment is owing to self elasticity resets fast, makes it drive the bottom plate and rocks under the support of spring, shakes off the dust of adhesion on the cleaning brush, makes it more thoroughly that can be clean in the follow-up plot to the glass ring.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the underside structure of the present invention;
FIG. 2 is a schematic upper side construction of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1A according to the present invention;
FIG. 5 is a schematic view of the internal structure of the cartridge of the present invention;
FIG. 6 is a schematic view of the cleaning mechanism of the present invention;
in the figure: the fire alarm comprises a fire alarm body 1, an ambient light detection sensor 2, a light emitting module 3, a swivel 4, a glass ring 5, a transmission mechanism 6, a cleaning mechanism 7, a vibrating ball 8, an inflator 601, a first magnet 602, a second magnet 603, a connecting pipe 604, a swivel 605, a transmission disc 606, an exhaust channel 607, a fixing pile 701, a spring 702, a base plate 703, a cleaning brush 704 and a spring 705.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a detectable ambient light and automatically regulated light brightness's fire alarm, including fire alarm body 1, fire alarm body 1's lateral wall is provided with lighting module 3, the fixed slot has been seted up to fire alarm body 1's downside, the inner wall in fixed slot is provided with ambient light detection sensor 2, fire alarm body 1's outer wall downside is connected with swivel 4 through the bearing rotation, swivel 4's inner circle outer wall is connected with glass ring 5 through ratchet structure, glass ring 5 is located ambient light detection sensor 2's downside, glass ring 5 shelters from the downside of mounting groove, glass ring 5's upper surface and fire alarm body 1's lower surface contact, install fire alarm body 1 on the roof during the use, shelter from ambient light detection sensor 2 through glass ring 5 afterwards can prevent that the dust from directly contacting with ambient light detection sensor 2, prevent that ambient light detection sensor 2 from exposing in the air for a long time by the pollutant attachment, fire alarm body 1's lateral wall is provided with drive mechanism 6, fire alarm body 1's lateral wall is located drive mechanism 6's rear side department and is provided with clean ring 7, vibration ball 8 is connected with fixedly to the vibration ball.
The transmission mechanism 6 comprises an air cylinder 601, the outer wall of the air cylinder 601 is fixedly connected with the side wall of the fire alarm body 1, the inner wall of the air cylinder 601 is fixedly connected with a first magnet 602, the lower side of the first magnet 602 is provided with a second magnet 603, the first magnet 602 and the second magnet 603 are both magnetic, the lower side of the first magnet 602 is N pole, the upper side of the second magnet 603 is S pole, the attractive force between the first magnet 602 and the second magnet 603 is larger than the sum of the gravity borne by a connecting pipe 604, a rotary pipe 605 and a transmission disc 606, the upper side of the second magnet 603 is contacted with the lower side of the first magnet 602, the outer wall of the second magnet 603 is in sliding connection with the inner wall of the first magnet 602, the lower side of the second magnet 603 is fixedly connected with a connecting pipe 604, the inside of the connecting pipe 604 is hollow, the upper part of the connecting pipe 604 is communicated with the inside of the air cylinder 601, the rotary pipe 605 is sleeved on the outer wall of the connecting pipe 604, the inner wall of the rotary tube 605 is in threaded connection with the outer wall of the connecting tube 604, the lower end of the rotary tube 605 penetrates through the air cylinder 601 and extends to the lower side of the air cylinder 601, the outer wall of the rotary tube 605 is in rotary connection with the inner wall of the air cylinder 601 through a bearing, the lower end of the rotary tube 605 is fixedly connected with a transmission disc 606, an exhaust passage 607 is arranged in the transmission disc 606, the middle part of the exhaust passage 607 is communicated with the inside of the rotary tube 605, the upper side of the outer wall of the transmission disc 606 is in contact with the outer wall of the rotary ring 4, when the temperature rises during daytime, the gas in the air cylinder 601 expands, the second magnet 603 suddenly descends, the rotary tube 605 rotates, the rotary tube 605 drives the transmission disc 606 to rotate the rotary ring 4, the rotary ring 5 rotates, the surface of the glass ring 5 is cleaned when passing through the upper side of the cleaning brush 704, and the effect of slowly rotating and being cleaned is achieved, dust accumulation is prevented from shielding the ambient light detection sensor 2.
The cleaning mechanism 7 comprises a fixing pile 701, the outer wall of the fixing pile 701 is fixedly connected with the outer wall of the fire alarm body 1, the fixing pile 701 is located at the rear side of the transmission mechanism 6, one side, close to the middle part of the fire alarm body 1, of the outer wall of the fixing pile 701 is fixedly connected with a spring 702, one end, far away from the fixing pile 701, of the spring 702 is fixedly connected with a bottom plate 703, the upper side of the bottom plate 703 is fixedly connected with a cleaning brush 704, the height of one end, located at the outer side of the transmission disc 606, of the exhaust channel 607 is consistent with the height of the cleaning brush 704, the upper side of the cleaning brush 704 is in contact with the lower surface of the glass ring 5, one side, close to the fixing pile 701, of the upper side of the bottom plate 703 is fixedly connected with a spring 705, the upper end of the spring 705 extends to the upper side of the middle part of the outer wall of the swivel 4, the distance from the upper end of the spring 705 to the middle part of the outer wall of the swivel 4 is smaller than the radius of the vibrating ball 8, and the spring 702 is made of elastic metal, the second magnet 603 and the connecting tube 604 is rapidly lowered, the inside of the connecting tube 604 is also made of elastic metal material, and air inside the connecting tube 604 is enabled to enter the inside the cleaning brush 604 through the upper side of the connecting tube 604, and then the cleaning brush 607 is enabled to blow out through the upper side of the air tube 607, and the cleaning brush is enabled to blow out of the dust and the dust through the inner channel of the cleaning brush 607, and the inner channel of the cleaning brush, and the cleaning brush is enabled.
When in use, the fire alarm body 1 is arranged on a roof, then the ambient light detection sensor 2 is shielded by the glass ring 5, when the temperature rises in the daytime, the gas in the gas cylinder 601 expands, when the thrust of the gas expansion is larger than the suction force of the first magnet 602 and the second magnet 603, the second magnet 603 suddenly descends, the second magnet 603 rapidly descends, the connecting pipe 604 is pushed to descend, the lower end of the connecting pipe 604 moves downwards in the rotary pipe 605, the rotary pipe 605 rotates, the rotary pipe 605 drives the transmission disc 606 to rotate the rotary ring 4, the rotary ring 4 drives the glass ring 5 to rotate, the surface of the glass ring 5 is cleaned when passing through the upper side of the cleaning brush 704, the cleaning effect is achieved by slow rotation, the shielding of dust accumulation on the ambient light detection sensor 2 is prevented,
the second magnet 603 and the connecting pipe 604 quickly descend, and meanwhile, gas in the air cylinder 601 enters the connecting pipe 604 through the upper side of the connecting pipe 604 and is sprayed out through the way of the exhaust channel 607 in the rotary pipe 605 and the transmission disc 606, so that the effect of blowing air flow through the exhaust channel 607 to the cleaning brush 704 is achieved, and the dust on the cleaning brush 704 is blown away by the air flow blown out by the exhaust channel 607, so that the cleaning can be better realized;
when the swivel 4 is driven to rotate by the transmission disc 606, the vibrating ball 8 on the swivel 4 passes through the elastic sheet 705, the elastic sheet 705 deforms to accommodate the passing of the vibrating ball 8 due to the blocking effect of the elastic sheet 705 on the vibrating ball 8, after the vibrating ball 8 passes, the elastic sheet 705 rapidly resets due to self elasticity, so that the elastic sheet 705 drives the bottom plate 703 to shake under the support of the spring 702, dust adhered on the cleaning brush 704 is shaken off, and the cleaning brush can clean the glass ring 5 more thoroughly;
after the temperature at night is reduced, the gas inside the gas cylinder 601 contracts to drive the second magnet 603 to rise, so that the second magnet 603 and the first magnet 602 are adsorbed, and the gas is backfilled on the inner lower side of the gas cylinder 601 through the exhaust passage 607, the rotary pipe 605 and the connecting pipe 604.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a fire alarm of detectable ambient light and automatically regulated light luminance, includes fire alarm body (1), its characterized in that: the side wall of fire alarm body (1) is provided with light emitting module (3), the fixed slot has been seted up to the downside of fire alarm body (1), the inner wall of fixed slot is provided with ambient light detection sensor (2), the outer wall downside of fire alarm body (1) is connected with swivel (4) through the bearing rotation, the inner circle outer wall of swivel (4) is connected with glass ring (5) through ratchet structure, the upper surface of glass ring (5) and the lower surface contact of fire alarm body (1), the lateral wall of fire alarm body (1) is provided with drive mechanism (6), the lateral wall of fire alarm body (1) is located the rear side department of drive mechanism (6) and is provided with wiper mechanism (7), the outer wall fixedly connected with vibrations ball (8) of swivel (4), drive mechanism (6) are including gas cylinder (601), the outer wall and the lateral wall fixedly connected with of fire alarm body (1) of swivel (601), the inner wall fixedly connected with first magnet (602) of inner wall fixedly connected with glass ring (5), the lateral wall of first magnet (603) and the magnet (603) of second magnet (603) are connected with the magnet (603) of second side (603) and the magnet (603), the lower side fixedly connected with connecting pipe (604) of second magnet (603), the inside of connecting pipe (604) is the cavity setting, just the inside intercommunication setting of upper portion and inflator (601) of connecting pipe (604), the outer wall cover of connecting pipe (604) is equipped with changes tub (605), the inner wall of changeing tub (605) and the outer wall threaded connection of connecting pipe (604), the lower extreme of changeing tub (605) runs through inflator (601) and extends to the downside of inflator (601), the outer wall of changeing tub (605) is connected through the bearing rotation with the inner wall of inflator (601), the lower extreme fixedly connected with driving disk (606) of changeing tub (605), exhaust passage (607) have been seted up to the inside of driving disk (606), the middle part and the inside intercommunication setting of changeing tub (605), the outer wall upside of driving disk (606) and the outer wall contact of changeing ring (4), cleaning mechanism (7) include spud pile (701), the outer wall of spud (701) body and the outer wall of inflator (1) are connected through the bearing rotation, the driving disk (701) is located at one side of the outer wall (1) of the outer wall of fire control spud (1) is close to the fixed connection of fire control spring (701), the driving mechanism (702) is located at one side of the fixed connection (702), one end fixedly connected with bottom plate (703) of spud pile (701) is kept away from to spring (702), the upside fixedly connected with cleaning brush (704) of bottom plate (703), the upside of cleaning brush (704) and the lower surface contact of glass ring (5), one side fixedly connected with shell fragment (705) that is close to spud pile (701) is gone up to the outer wall upside of bottom plate (703), and the inside gas expansion of messenger's inflator (601) is risen when daytime, after the thrust of gas expansion is greater than the suction of first magnet (602) and second magnet (603), can make second magnet (603) suddenly descend, can make connecting pipe (604) by the promotion when second magnet (603) descends rapidly, makes the lower extreme of connecting pipe (604) at the inside downwardly moving of changeing pipe (605), makes changeing pipe (605) rotate, makes changeing pipe (605) drive driving ring (4) and makes changeing ring (4) rotate, makes glass ring (5) rotate, makes the surface of glass ring (5) be cleaned when side is passed over on cleaning brush (704).
2. A fire alarm for detecting ambient light and automatically adjusting light intensity as set forth in claim 1, wherein: the upper end of the elastic piece (705) extends to the upper side of the middle part of the outer wall of the swivel (4), the distance from the upper end of the elastic piece (705) to the middle part of the outer wall of the swivel (4) is smaller than the radius of the vibration ball (8), and the elastic piece (705) is made of elastic metal.
3. A fire alarm capable of detecting ambient light and automatically adjusting light intensity as set forth in claim 2, wherein: the first magnet (602) and the second magnet (603) are both magnetic, the lower side of the first magnet (602) is an N pole, the upper side of the second magnet (603) is an S pole, and the attraction between the first magnet (602) and the second magnet (603) is greater than the sum of the gravity borne by the connecting pipe (604), the rotating pipe (605) and the transmission disc (606).
4. A fire alarm device for detecting ambient light and automatically adjusting the intensity of the light as claimed in claim 3 wherein: the height of one end of the exhaust channel (607) positioned outside the transmission disc (606) is consistent with the height of the cleaning brush (704).
5. The fire alarm device capable of detecting ambient light and automatically adjusting light intensity according to claim 4, wherein: the glass ring (5) is positioned at the lower side of the ambient light detection sensor (2), and the glass ring (5) shields the lower side of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069482.5A CN116311741B (en) | 2023-02-06 | 2023-02-06 | Fire alarm capable of detecting ambient light and automatically adjusting light brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069482.5A CN116311741B (en) | 2023-02-06 | 2023-02-06 | Fire alarm capable of detecting ambient light and automatically adjusting light brightness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116311741A CN116311741A (en) | 2023-06-23 |
| CN116311741B true CN116311741B (en) | 2024-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310069482.5A Active CN116311741B (en) | 2023-02-06 | 2023-02-06 | Fire alarm capable of detecting ambient light and automatically adjusting light brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116311741B (en) |
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