CN109519768A - A kind of fire-fighting emergency lighting device of easy access - Google Patents
A kind of fire-fighting emergency lighting device of easy access Download PDFInfo
- Publication number
- CN109519768A CN109519768A CN201811223338.8A CN201811223338A CN109519768A CN 109519768 A CN109519768 A CN 109519768A CN 201811223338 A CN201811223338 A CN 201811223338A CN 109519768 A CN109519768 A CN 109519768A
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- Prior art keywords
- lighting device
- emergency lighting
- shell
- support plate
- fire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of fire-fighting emergency lighting devices of easy access, belong to technical field of lighting devices, including height adjustment mechanism, shell and fume removal unit, the upper surface both ends of shell are provided with headlamp, and height adjustment mechanism is provided with above the shell, and the bottom end of the shell is provided with fume removal unit, the height adjustment mechanism includes support plate, the both ends of support plate are provided with mounting hole, and the upper surface middle position of support plate is provided with motor, and the two sides of motor are provided with screw；Height adjustment mechanism is provided on emergency lighting device, when emergency lighting device breaks down, user can reduce the height of emergency lighting device by height adjustment mechanism, user can directly overhaul emergency lighting device and be overhauled on stool or ladder to emergency lighting device without standing at this time, it is time saving and energy saving to make emergency lighting device overhaul enhanced convenience.
Description
Technical field
The invention belongs to technical field of lighting devices, and in particular to a kind of fire-fighting emergency lighting device of easy access.
Background technique
Chinese patent (Publication No. CN207621697U) discloses a kind of fire emergency device, and structure includes
LED illumination lamp, alarm lamp, outer protecting frame, power supply line, transfer wire, battery, rectifier, electromagnet, bottom plate, connecting rod, rank
Iron, contact block, glass lamp shade, alarm lamp housing, internal wire, internal controller, bulb holder, light bulb, glass lamp shade glue
It is connected to the left end of alarm lamp housing, bulb holder is embedded in the left end of alarm lamp outer casing inner wall, and the right end of light bulb runs through lamp
The left surface of fixing seat is steeped, internal controller is electrically connected to the right side of light bulb by internal wire, and alarm lamp housing is fitted in outer
The upper end of protecting frame left surface, the utility model is by being equipped with alarm lamp, and when fire or power-off occurs, alarm lamp can light red
Lamp allows people more intuitively to observe, and facilitates the evacuation and the development of subsequent fire-fighting operation of personnel.
However the emergency lighting device causes user that can not fill to emergency lighting due to lacking corresponding height adjustment mechanism
The height set is adjusted, once emergency lighting device breaks down, then user needs station could be right on stool or ladder
Emergency lighting device is overhauled so that emergency lighting device maintenance get up it is more troublesome, it is time-consuming and laborious.
Summary of the invention
The purpose of the present invention is to provide a kind of fire-fighting emergency lighting devices of easy access, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme: a kind of fire-fighting of easy access is filled with emergency lighting
Set, including height adjustment mechanism, shell and fume removal unit, the upper surface both ends of shell are provided with headlamp, the shell it is upper
Side is provided with height adjustment mechanism, and the bottom end of the shell is provided with fume removal unit, and the height adjustment mechanism includes support plate,
The both ends of support plate are provided with mounting hole, and the upper surface middle position of support plate is provided with motor, and the two sides of motor are provided with spiral shell
Adjusting screw, motor is fixed on the supporting plate by the screws of two sides, and the output end of motor is provided with limit screw rod, limit screw rod with
The junction of shell is provided with the second spacing collar, and the second spacing collar is fixedly connected with shell by welding manner, the second limit
Position sleeve is internally provided with Limit Bearing corresponding with limit screw rod.
As a further solution of the present invention: second spacing collar and Limit Bearing connect by the way that welding manner is fixed
It connects, the lower surface both ends of support plate are provided with gag lever post, and the two sides of shell are welded with the first limit sleeve corresponding with gag lever post
Cylinder, gag lever post is cylindrical structure, and gag lever post is fixedly connected with support plate by welding manner.
As further scheme of the invention: the support plate is L-shaped structure, and the surface for limiting screw rod is provided with outside
Screw thread offers internal screw thread corresponding with the external screw thread on the inner wall of Limit Bearing.
As further scheme of the invention: the motor is stepper motor.
As further scheme of the invention: the fume removal unit includes negative-pressure air fan, and negative-pressure air fan passes through with shell
Welding manner is fixedly connected, and the front surface of negative-pressure air fan is welded with dust cover, and purifying box, negative pressure are provided with below negative-pressure air fan
The junction of blower and purifying box is provided with the first connecting tube, and one end far from the first connecting tube is provided with exhaust on purifying box
Pipe.
As the present invention further scheme: the purifying box is internally provided with adsorption plate, on the inner wall of purifying box
It is welded with limited block corresponding with adsorption plate, there are two adsorption plate is arranged altogether, two adsorption plate parallel arrangements are in purifying box
It is internal.
As further scheme of the invention: the material of the adsorption plate is active carbon.
Compared with prior art, the beneficial effects of the present invention are:
1. being provided with height adjustment mechanism on emergency lighting device, when emergency lighting device breaks down, user can lead to
Cross height adjustment mechanism reduce emergency lighting device height, at this time user directly emergency lighting device can be overhauled and
It does not need station to overhaul emergency lighting device on stool or ladder, so that emergency lighting device maintenance be made to get up more
Convenience, it is time saving and energy saving.
2. being provided with fume removal unit on emergency lighting device, when a fire, user can be by fume removal unit
Negative-pressure air fan by smog be pumped into purifying box in, then smog by adsorption plate absorption after from exhaust pipe be discharged, so as to
Effectively to remove the smog in passageway, prevent constantly saving bit by bit for smog from generating harm to the health of user.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the corresponding height adjustment mechanism of the present invention；
Fig. 3 is the structural schematic diagram of the corresponding fume removal unit of the present invention；
In figure: 1- headlamp, 2- height adjustment mechanism, the first spacing collar of 3-, 4- shell, 5- fume removal unit, 21- second are limited
Sleeve, 22- gag lever post, 23- screw, 24- support plate, 25- motor, 26- mounting hole, 27- limit screw rod, 28- Limit Bearing,
51- limited block, 52- purifying box, 53- dust cover, 54- negative-pressure air fan, the first connecting tube of 55-, 56- adsorption plate, 57- exhaust pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of technical solution: a kind of fire-fighting emergency lighting device of easy access, packet
Height adjustment mechanism 2, shell 4 and fume removal unit 5 are included, the upper surface both ends of shell 4 are provided with headlamp 1, and the top of shell 4 is set
It is equipped with height adjustment mechanism 2, the bottom end of shell 4 is provided with fume removal unit 5, and height adjustment mechanism 2 includes support plate 24, in order to make
Support plate 24 installs enhanced convenience, and support plate 24 is L-shaped structure, and the both ends of support plate 24 are provided with mounting hole 26,
User can be fixed support plate 24 by mounting hole 26, and the upper surface middle position of support plate 24 is provided with motor 25,
In order to keep the driving effect of motor 25 more preferable, in the present embodiment, it is preferred that motor 25 is stepper motor, and the two sides of motor 25 are set
It is equipped with screw 23, motor 25 is fixed in support plate 24 by the screw 23 of two sides, and the output end setting of motor 25 is limited
The junction of position screw rod 27, limit screw rod 27 and shell 4 is provided with the second spacing collar 21；
Fig. 1 and Fig. 2 are please referred to, it is stronger in order to connect the second spacing collar 21 with shell 4, in the present embodiment, preferably
, the second spacing collar 21 is fixedly connected with shell 4 by welding manner, and the second spacing collar 21 being internally provided with and limiting
The surface of the corresponding Limit Bearing 28 of screw rod 27, limit screw rod 27 is provided with external screw thread, opens up on the inner wall of Limit Bearing 28
There is an internal screw thread corresponding with external screw thread, when use, connects the power supply of motor 25, and motor 25 drives limit screw rod 27 to rotate at this time,
To which the height of second spacing collar 21 be adjusted by limit screw rod 27 and Limit Bearing 28, and then make the height of shell 4
Corresponding variation occurs for degree, so that user can reduce shell by height adjustment mechanism 2 when emergency lighting device is damaged
The height of body 4, user can directly overhaul emergency lighting device right on stool or ladder without standing at this time
Emergency lighting device is overhauled, so that emergency lighting device is made to overhaul enhanced convenience, it is time saving and energy saving；
Fig. 1 and Fig. 2 are please referred to, it is stronger in order to connect the second spacing collar 21 with Limit Bearing 28, in the present embodiment,
Preferably, the second spacing collar 21 is fixedly connected with Limit Bearing 28 by welding manner, and the lower surface both ends of support plate 24 are set
It is equipped with gag lever post 22, the length of gag lever post 22 is without restriction, and the length of gag lever post 22 is identical as the limit length of screw rod 27, shell
4 two sides are welded with first spacing collar 3 corresponding with gag lever post 22, and gag lever post 22 is cylindrical structure, gag lever post 22 with
Support plate 24 is fixedly connected by welding manner, and the first spacing collar 3 is vertically movable along gag lever post 22 when use, thus to shell
Body 4 is limited, and the run-off the straight in height adjustment of shell 4 is prevented, to make the using effect of height adjustment mechanism 2 more
It is good.
Embodiment 2:
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of technical solution: a kind of fire-fighting emergency lighting device of easy access, packet
Height adjustment mechanism 2, shell 4 and fume removal unit 5 are included, the upper surface both ends of shell 4 are provided with headlamp 1, and the top of shell 4 is set
It is equipped with height adjustment mechanism 2, the bottom end of shell 4 is provided with fume removal unit 5, and height adjustment mechanism 2 includes support plate 24, in order to make
Support plate 24 installs enhanced convenience, and support plate 24 is L-shaped structure, and the both ends of support plate 24 are provided with mounting hole 26,
User can be fixed support plate 24 by mounting hole 26, and the upper surface middle position of support plate 24 is provided with motor 25,
In order to keep the driving effect of motor 25 more preferable, in the present embodiment, it is preferred that motor 25 is stepper motor, and the two sides of motor 25 are set
It is equipped with screw 23, motor 25 is fixed in support plate 24 by the screw 23 of two sides, and the output end setting of motor 25 is limited
The junction of position screw rod 27, limit screw rod 27 and shell 4 is provided with the second spacing collar 21；
Fig. 1 and Fig. 2 are please referred to, it is stronger in order to connect the second spacing collar 21 with shell 4, in the present embodiment, preferably
, the second spacing collar 21 is fixedly connected with shell 4 by welding manner, and the second spacing collar 21 being internally provided with and limiting
The surface of the corresponding Limit Bearing 28 of screw rod 27, limit screw rod 27 is provided with external screw thread, opens up on the inner wall of Limit Bearing 28
There is an internal screw thread corresponding with external screw thread, when use, connects the power supply of motor 25, and motor 25 drives limit screw rod 27 to rotate at this time,
To which the height of second spacing collar 21 be adjusted by limit screw rod 27 and Limit Bearing 28, and then make the height of shell 4
Corresponding variation occurs for degree, so that user can reduce shell by height adjustment mechanism 2 when emergency lighting device is damaged
The height of body 4, user can directly overhaul emergency lighting device right on stool or ladder without standing at this time
Emergency lighting device is overhauled, so that emergency lighting device is made to overhaul enhanced convenience, it is time saving and energy saving；
Fig. 1 and Fig. 2 are please referred to, it is stronger in order to connect the second spacing collar 21 with Limit Bearing 28, in the present embodiment,
Preferably, the second spacing collar 21 is fixedly connected with Limit Bearing 28 by welding manner, and the lower surface both ends of support plate 24 are set
It is equipped with gag lever post 22, the length of gag lever post 22 is without restriction, and the length of gag lever post 22 is identical as the limit length of screw rod 27, shell
4 two sides are welded with first spacing collar 3 corresponding with gag lever post 22, and gag lever post 22 is cylindrical structure, gag lever post 22 with
Support plate 24 is fixedly connected by welding manner, and the first spacing collar 3 is vertically movable along gag lever post 22 when use, thus to shell
Body 4 is limited, and the run-off the straight in height adjustment of shell 4 is prevented, to make the using effect of height adjustment mechanism 2 more
It is good；
Fig. 1 and Fig. 3 are please referred to, in order to keep the function of emergency lighting device more abundant, in the present embodiment, it is preferred that soot blower
Structure 5 includes negative-pressure air fan 54, and negative-pressure air fan 54 is fixedly connected with shell 4 by welding manner, the front surface weldering of negative-pressure air fan 54
It is connected to dust cover 53, dust cover 53 prevents sundries from entering in negative-pressure air fan 54, and the lower section of negative-pressure air fan 54 is provided with purifying box 52,
The junction of negative-pressure air fan 54 and purifying box 52 is provided with the first connecting tube 55, the one of separate first connecting tube 55 on purifying box 52
End is provided with exhaust pipe 57, and the length of exhaust pipe 57 is without restriction, and purifying box 52 is internally provided with adsorption plate 56, purifying box 52
Inner wall on be welded with limited block 51 corresponding with adsorption plate 56, for adsorption plate 56 altogether there are two settings, two adsorption plates 56 are flat
Row is arranged in the inside of purifying box 52；
Referring to Fig. 3, in order to keep the adsorption effect of adsorption plate 56 more preferable, in the present embodiment, it is preferred that the material of adsorption plate 56 is
Active carbon connects the power supply of negative-pressure air fan 54 when a fire, and smog is pumped into purifying box 52 by negative-pressure air fan 54 at this time,
Then it is discharged after absorption of the smog by the adsorption plate 56 in purifying box 52 from exhaust pipe 57, so as to effectively go
Except the smog in passageway, prevent constantly saving bit by bit for smog from generating harm to the health of user.
The working principle of the invention and process for using: when an emergency happens, illumination is provided by headlamp 1, when answering
When anxious lighting device is damaged, the power supply of motor 25 is connected, motor 25 drives limit screw rod 27 to rotate at this time, to pass through limit
The height of the second spacing collar 21 is adjusted in position screw rod 27 and Limit Bearing 28, and then it is corresponding that the height of shell 4 occurs
Variation, allow user by the way that the height of shell 4 is adjusted according to the actual use demand of oneself, user can be at this time
Directly emergency lighting device is overhauled, emergency lighting device is overhauled on stool or ladder without standing, from
And emergency lighting device is made to overhaul enhanced convenience, and it is time saving and energy saving, when a fire, connect the electricity of negative-pressure air fan 54
Source, smog is pumped into purifying box 52 by negative-pressure air fan 54 at this time, and then smog passes through the absorption of the adsorption plate 56 in purifying box 52
Discharged later from exhaust pipe 57, so as to effectively remove the smog in passageway, prevent smog constantly save bit by bit to
The health at family generates harm.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of fire-fighting emergency lighting device of easy access, including height adjustment mechanism (2), shell (4) and fume removal unit
(5), the upper surface both ends of shell (4) are provided with headlamp (1), it is characterised in that: height is provided with above the shell (4)
The bottom end of regulating mechanism (2), the shell (4) is provided with fume removal unit (5), and the height adjustment mechanism (2) includes support plate
(24), the both ends of support plate (24) are provided with mounting hole (26), and the upper surface middle position of support plate (24) is provided with motor
(25), the two sides of motor (25) are provided with screw (23), and motor (25) is fixed on support plate by the screw (23) of two sides
(24) on, the output end of motor (25) is provided with limit screw rod (27), limits screw rod (27) and the junction of shell (4) is provided with
Second spacing collar (21), the second spacing collar (21) are fixedly connected with shell (4) by welding manner, the second spacing collar
(21) be internally provided with and limit screw rod (27) corresponding Limit Bearing (28).
2. a kind of fire-fighting emergency lighting device of easy access according to claim 1, it is characterised in that: described second
Spacing collar (21) is fixedly connected with Limit Bearing (28) by welding manner, and the lower surface both ends setting of support plate (24) is limited
Position bar (22), the two sides of shell (4) are welded with the first spacing collar (3) corresponding with gag lever post (22), and gag lever post (22) is
Cylindrical structure, gag lever post (22) are fixedly connected with support plate (24) by welding manner.
3. a kind of fire-fighting emergency lighting device of easy access according to claim 2, it is characterised in that: the support
Plate (24) be L-shaped structure, limit screw rod (27) surface be provided with external screw thread, offered on the inner wall of Limit Bearing (28) with
The corresponding internal screw thread of the external screw thread.
4. a kind of fire-fighting emergency lighting device of easy access according to claim 3, it is characterised in that: the motor
It (25) is stepper motor.
5. a kind of fire-fighting emergency lighting device of easy access according to claim 1 to 4, it is characterised in that: institute
Stating fume removal unit (5) includes negative-pressure air fan (54), and negative-pressure air fan (54) is fixedly connected with shell (4) by welding manner, negative pressure
The front surface of blower (54) is welded with dust cover (53), and purifying box (52), negative-pressure air fan are provided with below negative-pressure air fan (54)
(54) it is provided with the first connecting tube (55) with the junction of purifying box (52), far from the first connecting tube (55) on purifying box (52)
One end is provided with exhaust pipe (57).
6. a kind of fire-fighting emergency lighting device of easy access according to claim 5, it is characterised in that: the purification
Being internally provided with adsorption plate (56) for case (52), is welded with limit corresponding with adsorption plate (56) on the inner wall of purifying box (52)
Block (51), there are two the total settings of adsorption plate (56), inside of two adsorption plate (56) parallel arrangements in purifying box (52).
7. a kind of fire-fighting emergency lighting device of easy access according to claim 6, it is characterised in that: the absorption
The material of plate (56) is active carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223338.8A CN109519768A (en) | 2018-10-19 | 2018-10-19 | A kind of fire-fighting emergency lighting device of easy access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223338.8A CN109519768A (en) | 2018-10-19 | 2018-10-19 | A kind of fire-fighting emergency lighting device of easy access |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109519768A true CN109519768A (en) | 2019-03-26 |
Family
ID=65770933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811223338.8A Pending CN109519768A (en) | 2018-10-19 | 2018-10-19 | A kind of fire-fighting emergency lighting device of easy access |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519768A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100053967A1 (en) * | 2008-08-29 | 2010-03-04 | Osram Gesellschaft | Lighting device to be installed in a panel |
| CN205908501U (en) * | 2016-08-11 | 2017-01-25 | 刘思宇 | Fume extractor for building fire prevention |
| CN206478530U (en) * | 2017-01-22 | 2017-09-08 | 皖西学院 | A kind of escape lighting guider |
| CN207132181U (en) * | 2017-07-29 | 2018-03-23 | 深圳市诺尔迅科技有限公司 | A kind of LED for being easily installed and dismantling |
-
2018
- 2018-10-19 CN CN201811223338.8A patent/CN109519768A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100053967A1 (en) * | 2008-08-29 | 2010-03-04 | Osram Gesellschaft | Lighting device to be installed in a panel |
| CN205908501U (en) * | 2016-08-11 | 2017-01-25 | 刘思宇 | Fume extractor for building fire prevention |
| CN206478530U (en) * | 2017-01-22 | 2017-09-08 | 皖西学院 | A kind of escape lighting guider |
| CN207132181U (en) * | 2017-07-29 | 2018-03-23 | 深圳市诺尔迅科技有限公司 | A kind of LED for being easily installed and dismantling |
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Application publication date: 20190326 |
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| RJ01 | Rejection of invention patent application after publication |