CN113053056A - Smoke-sensitive detection alarm - Google Patents
Smoke-sensitive detection alarm Download PDFInfo
- Publication number
- CN113053056A CN113053056A CN202110331195.8A CN202110331195A CN113053056A CN 113053056 A CN113053056 A CN 113053056A CN 202110331195 A CN202110331195 A CN 202110331195A CN 113053056 A CN113053056 A CN 113053056A
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- groove
- power
- casing
- smoke detection
- detection alarm
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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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
Abstract
The invention relates to the technical field of smoke detection alarms, and discloses a smoke detection alarm which comprises a lower shell, wherein a supporting rod is fixedly connected to the top of the lower shell, an upper shell is arranged on the top of the lower shell, a rotating groove is formed in the bottom of the upper shell, the transverse section of the rotating groove is annular, a first fixing groove is formed in the surface of the upper shell, the inside of the first fixing groove is communicated with the inside of the rotating groove, and the surface of the supporting rod is in sliding connection with the inside of the rotating groove. This smoke detection alarm resets through first spring, makes the fixed block slide in the inside of first fixed slot, and then realizes that casing and last casing assemble fixedly down, makes the concatenation convenient and fast more of last casing and lower casing, and when the component of alarm inside broke down, the maintenance workman can be more convenient dismantles the alarm, makes the later maintenance of alarm more convenient, makes the maintenance workman can be more smooth maintain the alarm.
Description
Technical Field
The invention relates to the technical field of smoke detectors, in particular to a smoke detection alarm.
Background
The smoke detector realizes fire prevention by monitoring the concentration of smoke, and the ion type smoke sensor is adopted in the smoke detector, is a sensor with advanced technology and stable and reliable work, is widely applied to various fire alarm systems, and has far better performance than a gas-sensitive resistor type fire alarm; some current smoke detectors are composed of an upper shell, a lower shell and internal elements; however, the upper shell and the lower shell of some smoke detectors are assembled and fixed through screws, so that the smoke detectors are positioned on a ceiling in a long-term use process, indoor water vapor rises simultaneously, the screws are easy to corrode, and then when the smoke detectors break down, maintenance personnel can increase the difficulty in detaching the smoke detectors, the smoke detectors are difficult to detach, and the difficulty in maintaining the smoke detectors is increased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the smoke detection alarm which has the advantages that a maintenance worker can more conveniently disassemble the alarm and the like, and the problem that the smoke detector is not easy to disassemble is solved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a smoke detection alarm, includes lower casing, the top fixedly connected with bracing piece of casing down, the top of casing is provided with the casing down, the bottom of going up the casing has been seted up and has been rotated the groove, the transverse section who rotates the groove is the annular, first fixed slot has been seted up on the surface of going up the casing, the inside and the inside that rotates the groove of first fixed slot communicate with each other, the surface of bracing piece and the inside sliding connection who rotates the groove, first constant head tank has been seted up to the inside of casing down, first constant head tank is the font of falling T, the inside in first constant head tank is provided with location fixing device.
Preferably, a moving groove is formed in the front side of the supporting rod, a first spring is fixedly connected to the rear surface inside the moving groove, and a fixing block is fixedly connected to the front end of the first spring.
Preferably, the surface of the fixed block is connected with the inside of the moving groove in a sliding mode, an inclined plane is arranged at the top of the fixed block, a rolling ball is arranged on the front side of the fixed block, the surface of the rolling ball is movably connected with the inside of the rotating groove, and the surface of the fixed block is connected with the rotating groove and the inside of the first fixing groove in a sliding mode.
Preferably, a second limiting groove is formed in the upper surface of the inner portion of the first limiting groove, and a limiting block is fixedly connected to the upper surface of the inner portion of the second limiting groove.
Preferably, the positioning and fixing device comprises a fixing frame, the surface of the fixing frame is connected with the inner sliding portion of the first positioning groove in a sliding mode, the fixing frame is I-shaped, the first limiting groove is formed in the vertical plate of the fixing frame, the power plate is connected to the inner portion of the first limiting groove in a rotating mode, the positioning shaft is fixedly connected to the lower surface of the inner portion of the first limiting groove, the sliding groove is formed in the top of the transverse plate on the upper side of the fixing frame, the inner portion of the sliding groove is communicated with the inner portion of the first limiting groove, and the power block is.
Preferably, the left and right sides at power piece top all is provided with the inclined plane, and the second fixed slot has been seted up at the top of power piece, the inside sliding connection in surface and the second spacing groove of power piece, the inside of second fixed slot and the surface sliding connection of stopper.
Preferably, the second constant head tank has been seted up to the bottom of power piece, and the power groove has been seted up to the left side of power piece, and the inside of first spacing groove is run through and is extended to the inside in power groove in the right side of power plate, the right side of power plate and the inside sliding connection in power groove.
Preferably, the bottom of the power block is provided with a second positioning groove, the inside of the second positioning groove is communicated with the inside of the power groove, and the inside of the second positioning groove is in sliding connection with the surface of the positioning shaft.
Preferably, the bottom of the power block is fixedly connected with a second spring, the bottom end of the second spring is fixedly connected with the inner wall of the first limiting groove, and the second spring is movably sleeved on the positioning shaft.
(III) advantageous effects
Compared with the prior art, the invention provides a smoke detection alarm which has the following beneficial effects:
1. this smoke detection alarm, reset through first spring, make the fixed block slide in the inside of first fixed slot, and then realize that casing and last casing assemble fixedly down, make the concatenation convenient and fast more of casing and lower casing, when the component of alarm inside breaks down simultaneously, the maintenance workman can be more convenient dismantles the alarm, it is more convenient to make the later maintenance of alarm, make the maintenance workman can be more smooth maintain the alarm, and then make the user can maintain the alarm after breaking down, user's waste has been reduced to a certain extent.
2. This smoke detection alarm through the spin, makes bracing piece and the frictional force that rotates between the groove obtain reducing, and then makes the bracing piece can be more smooth move in the inside that rotates the groove, reduces the bracing piece to a certain extent and appears the dead condition of card when the inside that rotates the groove removes, and then makes device inner structure obtain certain protection, what make the staff can be more smooth assembles casing and last casing down.
3. This smoke detection alarm, the transverse section through rotating the groove is the annular, makes the staff when splicing last casing and lower casing, can make casing and lower casing assemble fixedly in the optional position that rotates the groove, and then makes the staff need not assemble in the position of looking for fixed, makes the staff to casing and last casing assemble more convenient down, makes the staff to the speed of assembling of casing and last casing obtain promoting down to a certain extent simultaneously.
4. This alarm is surveyed to smoke, reset through the second spring and make the inside that the power piece slided into the second spacing groove, the right side of power board upwards removes, the second fixed slot cup joints on the stopper simultaneously, and then the rigidity of casing under the messenger, the fixed more stable firm of casing under the messenger, the casing is reported to the police under the use that makes the user more convenient simultaneously, be the cooperation of I-shaped through first constant head tank for T font and mount simultaneously, can prevent to a certain extent that the casing from appearing rocking after fixed, the condition that the alarm effect of messenger's alarm received the influence takes place.
5. This alarm is surveyed to smoke, through the downstream on power board right side, promote the power piece downstream to the inside of roll-off second spacing groove, and then realize the fixed of casing and remove down, make the dismantlement of casing more convenient down, the later maintenance that makes the casing down simultaneously is more convenient, makes the user when the casing breaks down, the user can be more rapid dismantle the casing down.
6. This alarm is surveyed to smoke, through the cooperation of second constant head tank with the location axle, the shift position that makes the power piece receives the restriction, prevents that the power board from when promoting the power piece and move down, and the dead condition of skew card appears in the power piece, and then makes the user can be more smooth dismantle the casing down, makes the inner structure of device receive the protection simultaneously to a certain extent, makes the user use the device more smoothly, makes the life of device obtain the extension of a certain degree simultaneously.
Drawings
FIG. 1 is a schematic view of a smoke detection alarm according to the present invention;
FIG. 2 is a schematic cross-sectional view of the upper housing of the present invention;
FIG. 3 is a schematic left side view of the upper housing of the present invention;
FIG. 4 is a schematic view of the lower housing of the present invention;
FIG. 5 is a schematic left side view of the support rod of the present invention;
FIG. 6 is a schematic view of a fixing frame according to the present invention;
FIG. 7 is a schematic view of a front plan view of a first limiting groove according to the present invention;
FIG. 8 is a schematic view of the power block splicing front view plane structure of the present invention.
In the figure: the device comprises a lower shell 1, a fixed block 2, a first fixed groove 3, an upper shell 4, a first positioning groove 5, a fixed frame 6, a power plate 7, a first limiting groove 8, a supporting rod 9, a rolling ball 10, a moving groove 11, a rotating groove 12, a limiting block 13, a second limiting groove 14, a power block 15, a second fixed groove 16, a sliding groove 17, a first spring 18, a second spring 19, a positioning shaft 20, a power groove 21 and a second positioning groove 22.
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.
Referring to fig. 1 to 8, the present invention provides a technical solution: a smoke detection alarm comprises a lower shell 1, the interior of the lower shell 1 is of a hollow structure, a circuit board can be placed in the lower shell 1, supporting rods 9 are fixedly connected to the top of the lower shell 1, the number of the supporting rods 9 is two, the two supporting rods 9 are arranged on the top of the lower shell 1 in a mirror image mode, the same structure is arranged in the two supporting rods 9, an upper shell 4 is arranged on the top of the lower shell 1, the interior of the upper shell 4 is of a hollow structure, an inductor can be placed in the upper shell 4, a rotating groove 12 is formed in the bottom of the upper shell 4, the transverse cross section of the rotating groove 12 is annular, a first fixing groove 3 is formed in the surface of the upper shell 4, the number of the first fixing grooves 3 is two, the two first fixing grooves 3 are arranged on the surface of the upper shell 4 in a mirror image mode, the interior of the first fixing groove 3 is communicated with the interior, the surface of the supporting rod 9 is connected with the inside of the rotating groove 12 in a sliding manner, when the bottom of the upper shell 4 is overlapped with the top of the lower shell 1, the supporting rod 9 can slide into the rotating groove 12, meanwhile, the supporting rod 9 can take the circle center of the transverse section of the rotating groove 12 as a rotating center to perform circumferential movement in the rotating groove 12, a moving groove 11 is formed in the front side of the supporting rod 9, a first spring 18 is fixedly connected to the rear surface in the moving groove 11, the front end of the first spring 18 is fixedly connected with a fixed block 2, the surface of the fixed block 2 is connected with the inside of the moving groove 11 in a sliding manner, an inclined plane is arranged at the top of the fixed block 2, a ball 10 is arranged on the front side of the fixed block 2, the ball 10 can roll in the inside of the fixed block 2, the surface of the ball 10 is movably connected with the inside of the rotating groove 12, the ball 10 can roll in the inside of the rotating groove 12, the surface of, the fixing block 2 can slide into and out of the rotating groove 12 and the first fixing groove 3, so that fixing and fixing of the lower shell 1 can be released, a first limiting groove 5 is formed in the lower shell 1, the first limiting groove 5 is inverted T-shaped, a second limiting groove 14 is formed in the upper surface of the inner portion of the first limiting groove 5, a limiting block 13 is fixedly connected to the upper surface of the inner portion of the second limiting groove 14, and a positioning and fixing device is arranged in the first limiting groove 5;
the bottom of the upper shell 4 is coincided with the top of the lower shell 1, meanwhile, the top of the fixed block 2 is provided with an inclined plane, when the upper shell 4 moves downwards, the fixed block 2 moves backwards in the moving groove 11 due to the limitation of the rotating groove 12, the first spring 18 is compressed, the supporting rod 9 slides into the rotating groove 12, the upper shell 4 rotates at the top of the lower shell 1, meanwhile, the friction force between the supporting rod 9 and the rotating groove 12 is reduced due to the rolling ball 10, the supporting rod 9 can move more smoothly in the rotating groove 12, the clamping condition of the supporting rod 9 in the rotating groove 12 is reduced to a certain degree, the internal structure of the device is protected to a certain extent, a worker can assemble the lower shell 1 and the upper shell 4 more smoothly, when the fixed block 2 moves to the inside of the first fixing groove 3, the first spring 18 is reset, so that the fixed block 2 slides into the first fixed groove 3, the lower shell 1 and the upper shell 4 are assembled and fixed, the fixed block 2 moves backwards, when the fixed block 2 moves into the rotating groove 12, the upper shell 4 is rotated, and the supporting rod 9 slides out of the rotating groove 12, so as to further realize the fixation release of the upper shell 4 and the lower shell 1, and simultaneously, when the worker splices the upper shell 4 and the lower shell 1, the horizontal section of the rotary groove 12 is annular, the upper shell 4 and the lower shell 1 can be assembled and fixed at any position of the rotating groove 12, so that the worker does not need to find a fixed position for assembly, the assembly of the lower shell 1 and the upper shell 4 by the worker is more convenient, meanwhile, the assembly speed of the lower shell 1 and the upper shell 4 by workers is improved to a certain extent;
the positioning and fixing device comprises a fixing frame 6, the surface of the fixing frame 6 is in sliding connection with the inside of a first positioning groove 5, the fixing frame 6 is I-shaped, the fixing frame 6 can slide into and out of the inside of the first positioning groove 5, so that fixing and fixing of the lower shell 1 are released, a first limiting groove 8 is formed in the vertical plate of the fixing frame 6, a power plate 7 is rotatably connected to the inside of the first limiting groove 8, the power plate 7 can rotate up and down in the first limiting groove 8 by taking the center of the power plate 7 as a rotating point, a positioning shaft 20 is fixedly connected to the lower surface of the inside of the first limiting groove 8, the positioning shaft 20 is positioned on the right side of the power plate 7 and is not in contact with the right side of the power plate 7, a sliding groove 17 is formed in the top of a transverse plate on the upper side of the fixing frame 6, the inside of the sliding groove 17 is communicated with the inside of the first limiting, the left side and the right side of the top of the power block 15 are both provided with inclined planes, the top of the power block 15 is provided with a second fixed groove 16, the surface of the power block 15 is in sliding connection with the inside of a second limit groove 14, the inside of the second fixed groove 16 is in sliding connection with the surface of a limit block 13, the limit block 13 can slide into and slide out of the inside of the second fixed groove 16, so that the fixation and fixation of the lower shell 1 can be released, the bottom of the power block 15 is provided with a second positioning groove 22, the left side of the power block 15 is provided with a power groove 21, the right side of the power plate 7 penetrates through the inside of the first limit groove 8 and extends to the inside of the power groove 21, the right side of the power plate 7 is in sliding connection with the inside of the power groove 21, the right side of the power plate 7 can move up and down in the inside of the power groove 21, the bottom of the power block 15 is provided, the inside of the second positioning groove 22 is connected with the surface of the positioning shaft 20 in a sliding manner, the power block 15 can move up and down on the surface of the positioning shaft 20 through the second positioning groove 22, the bottom of the power block 15 is fixedly connected with a second spring 19, the bottom end of the second spring 19 is fixedly connected with the inner wall of the first limiting groove 8, the second spring 19 is movably sleeved on the positioning shaft 20, and the second spring 19 can reset and compress through the up and down movement of the power block 15;
the fixing frame 6 is fixed through bolts, so that the transverse plate on the upper side of the fixing frame 6 slides into the first positioning groove 5, meanwhile, because the left side and the right side of the top of the power block 15 are both provided with inclined planes, the lower shell 1 can slide into the first positioning groove 5 from the left side and the right side of the fixing frame 6 through the first positioning groove 5, meanwhile, when the lower shell 1 moves leftwards and rightwards, the power block 15 can be pushed to move downwards in the sliding groove 17, the second spring 19 is compressed, the right side of the power plate 7 moves downwards, when the second limiting groove 14 moves to the top of the power block 15, the second spring 19 resets to enable the power block 15 to slide into the second limiting groove 14, the right side of the power plate 7 moves upwards, meanwhile, the second fixing groove 16 is sleeved on the limiting block 13, so that the position of the lower shell 1 is fixed, and the fixing of the lower shell 1 is more stable and firm, meanwhile, the user can more conveniently use the lower shell 1 to alarm, and meanwhile, the first positioning groove 5 is in a T shape and matched with the fixing frame 6 in an I shape, so that the lower shell 1 can be prevented from shaking after being fixed to a certain extent, the alarm effect of the alarm is influenced, the left side of the power plate 7 is upwards moved, the power block 15 is pushed to downwards move by downwards moving the right side of the power plate 7 and slides out of the second positioning groove 14, the fixation of the lower shell 1 is further realized, the lower shell 1 is more conveniently disassembled, meanwhile, the later maintenance of the lower shell 1 is more convenient, when the lower shell 1 breaks down, the user can more quickly disassemble the lower shell 1, and meanwhile, through the matching of the second positioning groove 22 and the positioning shaft 20, the moving position of the power block 15 is limited, prevent that power plate 7 from when promoting power piece 15 and moving downwards, the dead condition of skew card appears in power piece 15, and then make the user can be more smooth dismantle casing 1 down, make the inner structure of device receive the protection to a certain extent simultaneously, make the user use the device more smoothly, make the life of device obtain the extension of a certain degree simultaneously.
The working principle is as follows: when the smoke detection alarm is used;
the first step is as follows: the bottom of the upper shell 4 is coincided with the top of the lower shell 1, meanwhile, the top of the fixed block 2 is provided with an inclined plane, when the upper shell 4 moves downwards, the fixed block 2 moves backwards in the moving groove 11 due to the limitation of the rotating groove 12, the first spring 18 is compressed, and the supporting rod 9 slides into the rotating groove 12;
the second step is that: the upper shell 4 is rotated at the top of the lower shell 1, when the fixed block 2 moves to the inside of the first fixed groove 3, the first spring 18 is reset, so that the fixed block 2 slides into the inside of the first fixed groove 3, and the lower shell 1 and the upper shell 4 are assembled and fixed;
the third step: fixing a fixing frame 6 through bolts, enabling a transverse plate on the upper side of the fixing frame 6 to slide into the first positioning groove 5, enabling the fixing frame 6 to slide into the first positioning groove 5 from the left side and the right side of the fixing frame 6 through the first positioning groove 5 due to the fact that the left side and the right side of the top of the power block 15 are both provided with inclined planes, and meanwhile when the lower shell 1 moves leftwards and rightwards, pushing the power block 15 to move downwards in the sliding groove 17, compressing the second spring 19, and moving the right side of the power plate 7 downwards;
the fourth step: when the second limiting groove 14 moves to the top of the power block 15, the second spring 19 resets to enable the power block 15 to slide into the second limiting groove 14, the right side of the power plate 7 moves upwards, and meanwhile, the second fixing groove 16 is sleeved on the limiting block 13, so that the position of the lower shell 1 is fixed;
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 (9)
1. The utility model provides a smoke detection alarm, includes lower casing (1), its characterized in that: the top fixedly connected with bracing piece (9) of casing (1) down, the top of casing (1) is provided with casing (4) down, rotation groove (12) have been seted up to the bottom of going up casing (4), the transverse section who rotates groove (12) is the annular, first fixed slot (3) have been seted up on the surface of going up casing (4), the inside and the inside that rotates groove (12) of first fixed slot (3) communicate with each other, the surface and the inside sliding connection who rotates groove (12) of bracing piece (9), first constant head tank (5) have been seted up to the inside of casing (1) down, first constant head tank (5) are the font of falling T, the inside of first constant head tank (5) is provided with location fixing device.
2. A smoke detection alarm as claimed in claim 1 wherein: the front side of bracing piece (9) is opened and is equipped with shifting chute (11), and the rear surface fixed connection in shifting chute (11) is connected with first spring (18), and the front end fixed connection of first spring (18) has fixed block (2).
3. A smoke detection alarm as claimed in claim 2 wherein: the surface of fixed block (2) and the inside sliding connection of shifting chute (11), the top of fixed block (2) is provided with the inclined plane, and the front side of fixed block (2) is provided with spin (10), the surface of spin (10) and the inside swing joint of rotating chute (12), the surface of fixed block (2) and the inside sliding connection of rotating chute (12) and first fixed slot (3).
4. A smoke detection alarm as claimed in claim 1 wherein: a second limiting groove (14) is formed in the upper surface of the inner portion of the first limiting groove (5), and a limiting block (13) is fixedly connected to the upper surface of the inner portion of the second limiting groove (14).
5. A smoke detection alarm as claimed in claim 1 wherein: the positioning and fixing device comprises a fixing frame (6), the surface of the fixing frame (6) is connected with the inner sliding part of a first positioning groove (5), the fixing frame (6) is I-shaped, a first limiting groove (8) is formed in the inner part of a vertical plate of the fixing frame (6), a power plate (7) is connected to the inner part of the first limiting groove (8) in a rotating mode, a positioning shaft (20) is fixedly connected to the lower surface of the inner part of the first limiting groove (8), a sliding groove (17) is formed in the top of a transverse plate on the upper side of the fixing frame (6), the inner part of the sliding groove (17) is communicated with the inner part of the first limiting groove (8), and a power block (15) is connected to.
6. A smoke detection alarm according to claim 5 wherein: the left and right sides at power piece (15) top all is provided with the inclined plane, and second fixed slot (16) have been seted up at the top of power piece (15), the inside sliding connection of the surface of power piece (15) and second spacing groove (14), the inside of second fixed slot (16) and the surface sliding connection of stopper (13).
7. A smoke detection alarm according to claim 5 wherein: second constant head tank (22) have been seted up to the bottom of power piece (15), and power groove (21) have been seted up to the left side of power piece (15), and the inside of first spacing groove (8) is run through and extends to the inside of power groove (21) in the right side of power plate (7), the inside sliding connection in right side and power groove (21) of power plate (7).
8. A smoke detection alarm according to claim 5 wherein: the bottom of the power block (15) is provided with a second positioning groove (22), the inside of the second positioning groove (22) is communicated with the inside of the power groove (21), and the inside of the second positioning groove (22) is in sliding connection with the surface of the positioning shaft (20).
9. A smoke detection alarm according to claim 5 wherein: the bottom fixedly connected with second spring (19) of power piece (15), the bottom of second spring (19) and the inner wall fixed connection of first spacing groove (8), second spring (19) activity cup joints on location axle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331195.8A CN113053056B (en) | 2021-03-29 | 2021-03-29 | Smoke-sensitive detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331195.8A CN113053056B (en) | 2021-03-29 | 2021-03-29 | Smoke-sensitive detection alarm |
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| CN113053056A true CN113053056A (en) | 2021-06-29 |
| CN113053056B CN113053056B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110331195.8A Active CN113053056B (en) | 2021-03-29 | 2021-03-29 | Smoke-sensitive detection alarm |
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| CN112542881A (en) * | 2020-12-14 | 2021-03-23 | 安徽尚魔龙信息科技有限公司 | UPS uninterrupted power source with remove cabinet body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2311828A1 (en) * | 1999-11-09 | 2001-05-09 | Sun-Ki Kim | Wall mounted microwave oven |
| CN105185025A (en) * | 2015-10-26 | 2015-12-23 | 朱文军 | Smoke sensor |
| CN207765292U (en) * | 2018-01-11 | 2018-08-24 | 东莞市荣巨电子有限公司 | A kind of transformer with defencive function |
| WO2020067604A1 (en) * | 2018-09-28 | 2020-04-02 | Aauxx Usa, Inc. | Detachable ring holder, compatible with wireless charging, for smartphone |
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| Publication number | Publication date |
|---|---|
| CN113053056B (en) | 2022-07-01 |
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