CN211574944U - Lamp with emergency lighting function - Google Patents
Lamp with emergency lighting function Download PDFInfo
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- CN211574944U CN211574944U CN201921982026.5U CN201921982026U CN211574944U CN 211574944 U CN211574944 U CN 211574944U CN 201921982026 U CN201921982026 U CN 201921982026U CN 211574944 U CN211574944 U CN 211574944U
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- power supply
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Abstract
The utility model belongs to the technical field of the lamps and lanterns illumination, especially, relate to a lamps and lanterns with emergency lighting function, including connecing the electric structure, magnetic assembly, the subassembly that charges, rechargeable battery and light source, connect the cooperation of electric structure and power supply structural connection, magnetic assembly is including being fixed in the fixed magnetic part that connects the electric structure and set up relatively and be connected and be fixed in rechargeable battery's activity magnetic part with fixed magnetic part magnetism, the subassembly that charges includes and is connected and be used for producing the power coil in magnetic field of charging and can follow the power coil that the magnetic field of charging induced electricity when activity magnetic part and fixed magnetic part magnetism are inhaled mutually with the electricity of connecing the electric structure, power coil and rechargeable battery all are connected with the light source electricity. The operation process of switching the lamp with the emergency lighting function from the illuminating lamp to the emergency lamp is very simple.
Description
Technical Field
The utility model belongs to the technical field of the lamps and lanterns illumination, especially, relate to a lamps and lanterns with emergency lighting function.
Background
The lamp with the emergency lighting function can be operated to serve as a lighting lamp and can also serve as an emergency lamp, and comprises a power connection structure, a lighting source and a rechargeable battery. When the emergency lamp is used as an illumination lamp, the power connection structure is connected to the power supply structure, and when the emergency lamp is used, the power connection structure is required to be disconnected from the power supply structure, wherein the disconnection between the power connection structure and the power supply structure is generally complex, so that the operation process of using the emergency lamp is complex. If the emergency bulb is used, the power connection structure is a lamp cap, and the power supply structure matched with the power connection structure is a lamp holder, wherein the lamp cap is a standard structural member, namely a bayonet structure or a screw structure; when the emergency lamp is used as an emergency lamp, the emergency lamp usually has emergencies, a user can be in a mess, the lamp with the emergency lighting function can be used as the emergency lamp after being pressed and then rotated or being rotated for multiple circles, and the operation process of the lamp used as the emergency lamp is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a lamps and lanterns with emergency lighting function, it aims at solving the comparatively complicated problem of operation process who uses as emergency lighting.
The utility model discloses a realize like this:
the utility model provides a lamps and lanterns with emergency lighting function, uses with the cooperation of power supply structure, including connecing electric structure, magnetic component, charging assembly, rechargeable battery and light source, connect the electric structure with the cooperation is connected to the power supply structure, magnetic component including being fixed in connect the fixed magnetic part of electric structure and with fixed magnetic part set up relatively and with fixed magnetic part magnetism is connected and is fixed in rechargeable battery's activity magnetic part, charging assembly include with connect the electric power connection of electric structure and be used for producing the power coil in magnetic field of charging and be in movable magnetic part with can follow when fixed magnetic part magnetism is inhaled mutually the power coil of the induction electricity of magnetic field of charging, power coil with rechargeable battery all with the light source electricity is connected.
Optionally, the lamp with emergency lighting function further includes a lamp head end holding shell and a light source end holding shell, the lamp head end holding shell is connected to the power connection structure and is used for the fixed magnetic member and the power supply coil to be arranged, and the light source end holding shell is used for the movable magnetic member, the power connection coil, the rechargeable battery and the lighting source to be arranged.
Optionally, a lamp holder end plane is arranged on a side surface of the lamp holder end holding shell, which is away from the power connection structure;
the light source end gripping shell is provided with a light source end plane on the side surface facing the lamp holder end gripping shell.
Optionally, a lamp holder end positioning column is arranged at the lamp holder end plane of the lamp holder end holding shell, a light source end positioning hole for the lamp holder end positioning column to be in splicing fit is formed in the light source end plane of the light source end holding shell, wherein the column length of the lamp holder end positioning column is smaller than or equal to the hole depth of the light source end positioning hole, and the cross-sectional shape of the lamp holder end positioning column is matched with the cross-sectional shape of the light source end positioning hole.
Optionally, a light source end positioning column is arranged at the light source end plane of the light source end holding shell, a lamp holder end positioning hole for the light source end positioning column to be in inserting fit with is formed in the lamp holder end plane of the lamp holder end holding shell, wherein the column length of the light source end positioning column is smaller than or equal to the hole depth of the lamp holder end positioning hole, and the cross-sectional shape of the light source end positioning column is matched with the cross-sectional shape of the lamp holder end positioning hole.
Optionally, the base end grip housing, the power connection structure and the fixed magnetic member together form a base end receiving cavity for receiving the power supply coil.
Optionally, a light source end receiving cavity for receiving the movable magnetic member, the power receiving coil, the rechargeable battery and the lighting source and having an open cavity structure is formed in a side surface of the light source end holding shell facing away from the light source end holding shell.
Optionally, the power supply coil and the power receiving coil are both arranged in a cylindrical shape, and are sleeved with each other when the movable magnetic part and the fixed magnetic part are attracted magnetically.
Optionally, the number of the magnetic assemblies is at least two, and in at least one pair of the fixed magnetic part and the movable magnetic part, the fixed magnetic part and the movable magnetic part are both in an annular structure and are sleeved with each other.
Optionally, lamps and lanterns with emergency lighting function still including the electricity connect in the alarm device of power supply coil, power supply coil with power supply structure stops doing generate recoil magnetic field when connecting the power supply of electricity structure, power supply coil can follow recoil magnetic field induction generates electricity, so that alarm device sends out the police dispatch newspaper sound.
When the lamp with the emergency lighting function is used as a lighting lamp, the lighting light source can obtain electric energy from the power connection coil due to the arrangement of the magnetic assembly, so that the lighting function of the lamp with the emergency lighting function is realized, wherein in the state, the rechargeable battery can also obtain the electric energy from the power connection coil, and the electric energy is reserved when the lamp with the emergency lighting function is used as the lighting lamp; when the lamps and lanterns that will have the emergency lighting function use as emergency lighting, because magnetic component sets up, only need make fixed magnetic part and activity magnetic part alternate segregation, can regard rechargeable battery and illuminating light source as a illumination lamps and lanterns that can remove to use, wherein, at the in-process that makes fixed magnetic part and activity magnetic part alternate segregation, the user only need apply deviate from connect the external force that connects the electric structure direction can, operation process is very simple, promptly, based on the utility model discloses a structural design, the lamps and lanterns that will have the emergency lighting function switch into the operation process that emergency lighting used from the illumination lamps and lanterns very simple.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a lamp with an emergency lighting function according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a lamp with an emergency lighting function according to an embodiment of the present invention;
fig. 3 is an exploded view of a lamp with emergency lighting function according to an embodiment of the present invention from a viewing angle;
fig. 4 is an exploded view of a lamp with emergency lighting function according to another view angle provided by the embodiment of the present invention;
fig. 5 is a cross-sectional view of a lamp with emergency lighting function according to another embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
||
| 200 | |
||
| 210 | Fixed |
220 | Movable |
| 300 | |
||
| 310 | |
320 | |
| 400 | |
||
| 500 | |
||
| 600 | Lamp holder |
601 | Lamp |
| 610 | Lamp |
620 | Lamp holder end |
| 700 | Light source |
||
| 701 | Light source end plane | ||
| 702 | Light source |
703 | Light source end |
| 800 | |
||
| 900 | Alarm device |
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
An embodiment of the utility model provides a lamps and lanterns with emergency lighting function uses with the cooperation of power supply structure.
It should be noted that the lamp with the emergency lighting function may be an emergency bulb lamp, a barrel spotlight, a desk lamp, or the like.
It should be noted here that the selection of the power supply structure is related to the power connection structure of the lamp, and the power supply structure and the power connection structure of the lamp are adaptively arranged.
In the embodiment of the present invention, the lamp having the emergency lighting function in the legend is an emergency bulb lamp, and the emergency bulb lamp is used as the legend for explanation.
Referring to fig. 1 to 4, the lamp with emergency lighting function includes an electrical connection structure 100, a magnetic component 200, a charging component 300, a rechargeable battery 400 and a lighting source 500.
The electrical connection structure 100 is connected to a power supply structure (not shown). The power connection structure 100 is a conventional lamp cap structure, which may be a bayonet structure or a screw structure, such as an E27 screw cap, so that the original power supply structure can be continuously used, and when the lamp with the emergency lighting function needs to be used, the original power supply structure does not need to be replaced, thereby reducing the use cost.
The magnetic assembly 200 includes a fixed magnetic member 210 fixed to the power connection structure 100 and a movable magnetic member 220 disposed opposite to the fixed magnetic member 210, magnetically connected to the fixed magnetic member 210, and fixed to the rechargeable battery 400, wherein the fixed magnetic member 210 and the movable magnetic member 220 may be both permanent magnets, one of which may be a permanent magnet, and the other one may be a common iron block.
The charging assembly 300 includes a power supply coil 310 electrically connected to the power receiving structure 100 and configured to generate a charging magnetic field, and a power receiving coil 320 capable of inducing electricity from the charging magnetic field when the movable magnetic member 220 and the fixed magnetic member 210 are magnetically attracted, and both the power receiving coil 320 and the rechargeable battery 400 are electrically connected to the illumination light source 500.
When the lamp with the emergency lighting function is used as a lighting lamp, due to the arrangement of the magnetic assembly 200, the lighting source 500 can obtain electric energy from the power connection coil 320, so that the lighting function of the lamp with the emergency lighting function is realized, wherein in this state, the rechargeable battery 400 can also obtain electric energy from the power connection coil 320, so that the electric energy is reserved when the lamp with the emergency lighting function is used as the lighting lamp; when the lamps and lanterns that will have the emergency lighting function use as emergency lighting, because magnetic component 200 sets up, only need make fixed magnetic part 210 and activity magnetic part 220 alternate segregation, can regard rechargeable battery 400 and illuminating light source 500 as a illumination lamps and lanterns that can remove to use, wherein, at the in-process that makes fixed magnetic part 210 and activity magnetic part 220 alternate segregation, the user only need apply the external force that deviates from and connect the electric structure 100 direction can, operation process is very simple, promptly, based on the utility model discloses a structural design, the operation process that the lamps and lanterns that will have the emergency lighting function switch into emergency lighting uses from illumination lamps and lanterns is very simple.
It should be noted that the illumination light source 500 is preferably an LED light emitting chip, and the LED light emitting chip has the advantage of low power consumption, and when the LED light emitting chip is used as an emergency lamp, the use time of the emergency lamp is prolonged; when the illumination light source 500 emits light, a control switch may be specially set when the power supply coil 310 stops generating the charging magnetic field, that is, when the external power fails, and the control switch emits light when turned on.
Referring to fig. 1 to 4, in the embodiment of the present invention, the lamp with emergency lighting function further includes a lamp holder holding shell 600 and a light source holding shell 700, the lamp holder holding shell 600 is connected to the power connection structure 100 and is used for the fixed magnetic element 210 and the power supply coil 310 to be disposed, and the light source holding shell 700 is used for the movable magnetic element 220, the power connection coil 320, the rechargeable battery 400 and the lighting source 500 to be disposed.
When the lamp with the emergency lighting function is used as a lighting lamp, namely the lamp with the emergency lighting function is installed on or detached from the power supply structure, a user can operate the lamp by holding the lamp head end holding shell 600, so that the user does not directly touch the power connection structure 100 and the power supply coil 310, and electric shock is avoided when the lamp is used as the lighting lamp; when used as an emergency light, the user can operate by holding the light source end holding case 700, so that the user does not directly touch the power receiving coil 320, the rechargeable battery 400, and the illumination light source 500, thereby preventing electric shock when used as an emergency light.
It should be noted that the base end grip housing 600 and the light source end grip housing 700 may be made of an insulating material, or may be partially made of an insulating material and the other portion is made of a high thermal conductive material.
Referring to fig. 3 and 4, in the embodiment of the present invention, a lamp holder end plane 601 is disposed on a side of the lamp holder end holding shell 600 away from the power connection structure 100; the light source end gripper shell 700 is provided with a light source end plane 701 on the side facing the base end gripper shell 600.
Through the arrangement of the lamp holder end plane 601 and the light source end plane 701, in the process of assembling the light source end holding shell 700 to the lamp holder end holding shell 600, only the lamp holder end plane 601 needs to be matched with the light source end plane 701, and the assembling process is simple and convenient. Here, it should be noted that, after the lamp cap end plane 601 is paired to the light source end plane 701, the movable magnetic member 220 and the fixed magnetic member 210 are magnetically attracted, and the power supply coil 310 and the power connection coil 320 interact with each other.
In the embodiment of the present invention, the side of the fixed magnetic member 210 facing the movable magnetic member 220 is flush with the lamp holder end plane 601, so that the distance between the fixed magnetic member 210 and the movable magnetic member 220 is reduced, thereby increasing the magnetic force between the fixed magnetic member 210 and the movable magnetic member 220.
Further, in the embodiment of the present invention, the lamp holder end holding shell 600 is provided with the lamp holder end positioning column 610 at the lamp holder end plane 601, the light source end holding shell 700 is provided with the light source end positioning hole 702 for the lamp holder end positioning column 610 to be inserted and matched at the light source end plane 701, wherein the column length of the lamp holder end positioning column 610 is less than or equal to the hole depth of the light source end positioning hole 702, and the cross-sectional shape of the lamp holder end positioning column 610 is matched with the cross-sectional shape of the light source end positioning hole 702. In the process of matching the light source end holding shell 700 to the light source end holding shell 600, the light source end positioning column 610 is in inserting fit with the light source end positioning hole 702, so that the butt joint process between the light source end holding shell 600 and the light source end holding can be prevented from being deviated, and therefore, firstly, the alignment between the movable magnetic piece 220 and the fixed magnetic piece 210 is accurately realized, the magnetic force between the movable magnetic piece 220 and the fixed magnetic piece 210 is improved, secondly, the alignment between the power supply coil 310 and the power connection coil 320 can also be accurately realized, the power supply efficiency of the power supply coil 310 is improved, and the generating efficiency of the power connection coil 320 is improved.
Furthermore, the lamp holder-end holding shell 600 is provided with at least one lamp holder-end rotation limiting tooth 620 on the lamp holder-end plane 601, the light source-end holding shell 700 is provided with at least one light source-end rotation limiting groove 703 on the light source-end plane 701, and each light source-end rotation limiting groove 703 is respectively provided for the lamp holder-end rotation limiting tooth 620 to be inserted so as to limit the relative rotation of the lamp holder-end holding shell 600 and the light source-end holding shell 700.
Of course, in other embodiments, the light source end holding shell 700 has a light source end positioning column at the light source end plane 701, and the lamp cap end holding shell 600 has a lamp cap end positioning hole at the lamp cap end plane 601 for the light source end positioning column to be inserted and matched, wherein the length of the light source end positioning column is less than or equal to the depth of the lamp cap end positioning hole, and the cross-sectional shape of the light source end positioning column matches with the cross-sectional shape of the lamp cap end positioning hole. In the process of matching the light source end clamping shell 700 to the lamp holder end clamping shell 600, the light source end positioning column is in inserting fit with the lamp holder end positioning hole, and the butt joint process between the light source end clamping shell 700 and the lamp holder end clamping can be prevented from being laterally deviated, so that firstly, the alignment between the movable magnetic piece 220 and the fixed magnetic piece 210 is accurately realized, the magnetic force between the movable magnetic piece 220 and the fixed magnetic piece 210 is improved, secondly, the alignment between the power supply coil 310 and the power connection coil 320 can also be accurately realized, the power supply efficiency of the power supply coil 310 is improved, or the generating efficiency of the power connection coil 320 is improved.
Furthermore, the light source end holding shell 700 is provided with at least one light source end rotation limiting tooth on the light source end plane 701, the lamp cap end holding shell 600 is provided with at least one lamp cap end rotation limiting groove on the lamp cap end plane 601, and each lamp cap end rotation limiting groove is respectively provided for the insertion of one light source end rotation limiting tooth so as to limit the relative rotation of the lamp cap end holding shell 600 and the light source end holding shell 700.
In the embodiment of the present invention, the lamp holder-end holding shell 600, the power connection structure 100 and the fixed magnetic member 210 together form a lamp holder-end receiving cavity for receiving the power supply coil 310. Thus, the external structure can be prevented from colliding with the power supply coil 310, and the power supply coil 310 is protected.
In the embodiment of the present invention, the light source end holding shell 700 is provided with a light source end holding cavity for holding the movable magnetic member 220, the electric coil 320, the rechargeable battery 400 and the illumination light source 500 and having an open cavity structure at the side deviating from the lamp head end holding shell 600. Therefore, the movable magnetic part 220, the electric coil 320, the rechargeable battery 400 and the lighting source 500 can be prevented from being collided by external structures, and the movable magnetic part 220, the electric coil 320, the rechargeable battery 400 and the lighting source 500 are protected.
Further, in the embodiment of the present invention, the lamp with the emergency lighting function further includes a protective lamp cover 800 made of a transparent material, and the protective lamp cover 800 covers the opening of the light source end storage cavity. Thus, the light source-side grasping case 700 and the protective lamp cover 800 work together to prevent dust from falling onto the movable magnetic member 220, the power receiving coil 320, the rechargeable battery 400, and the illumination light source 500.
Referring to fig. 2 to 4, in the embodiment of the present invention, the power supply coil 310 and the power receiving coil 320 are both cylindrical and are sleeved with each other when the movable magnetic element 220 and the fixed magnetic element 210 are magnetically attracted to each other. Like this, greatly improved the electromagnetic induction utilization ratio to wireless charging efficiency who charges has been improved.
Referring to fig. 2 to 4, in the embodiment of the present invention, the fixed magnetic element 210 and the movable magnetic element 220 are both annular structures and are disposed oppositely. Thus, firstly, it is advantageous to improve the magnetic attraction between the fixed magnetic member 210 and the movable magnetic member 220, and secondly, it is also advantageous to stabilize the magnetism between the fixed magnetic member 210 and the movable magnetic member 220, and it is not too easy to generate a roll due to an external force.
Of course, it should be noted that, in cooperation with the head end positioning posts, the extending directions of the central axes of the fixed magnetic member 210 and the movable magnetic member 220 are parallel to the head end positioning posts 610 and pass through the head end positioning posts 610.
It should be noted that both the fixed magnetic member 210 and the movable magnetic member 220 may be permanent magnets, or one of them may be a permanent magnet and the other one may be an iron block.
Referring to fig. 5, in another embodiment of the present invention, at least two magnetic assemblies 200 are provided, and in at least one pair of the fixed magnetic member 210 and the movable magnetic member 220, the fixed magnetic member 210 and the movable magnetic member 220 are both in an annular structure and are sleeved.
Among the remaining pairs of the fixed magnetic members 210 and the movable magnetic members 220, the fixed magnetic members 210 and the movable magnetic members 220 are disposed opposite to each other, and may be disposed in an annular structure or other structures.
Referring to fig. 1 to 4, in the embodiment of the present invention, the lamp with emergency lighting function further includes an alarm device 900 electrically connected to the power supply coil 310, the power connection coil 320 generates a recoil magnetic field when stopping supplying power to the power connection structure with the power supply structure, and the power supply coil 310 can induce electricity from the recoil magnetic field, so that the alarm device 900 operates. Like this, when emergency such as mains failure appears, alarm device 900 can remind personnel around to know and take place emergency, can also remind personnel around the same time to have the location of the lamps and lanterns of emergency lighting function, and personnel around being convenient for conveniently acquire.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a lamps and lanterns with emergency lighting function, uses with the cooperation of power supply structure, its characterized in that, including connecing electric structure, magnetic assembly, charging assembly, rechargeable battery and light source, connect the electric structure with the cooperation is connected to the power supply structure, magnetic assembly is including being fixed in connect the fixed magnetic part of electric structure and with fixed magnetic part relative setting and with fixed magnetic part magnetism is connected and is fixed in rechargeable battery's activity magnetic part, charging assembly include with connect electric structure electricity and be connected and be used for producing the power coil in magnetic field of charging and be in activity magnetic part with can follow when fixed magnetic part magnetism is inhaled mutually the power coil of electric is produced in the magnetic field of charging induction, power coil with rechargeable battery all with light source electricity is connected.
2. The emergency lighting function-equipped lamp according to claim 1, further comprising a lamp-end-holding case connected to the power connection structure and accommodating the fixed magnetic member and the power supply coil, and a light-source-end-holding case for accommodating the movable magnetic member, the power connection coil, the rechargeable battery, and the lighting source.
3. A lamp having an emergency lighting function according to claim 2, wherein the base end holding shell is provided with a base end plane on a side facing away from the power connection structure;
the light source end gripping shell is provided with a light source end plane on the side surface facing the lamp holder end gripping shell.
4. The lamp with emergency lighting function of claim 3, wherein the lamp head end holding shell is provided with a lamp head end positioning column at the lamp head end plane, and the light source end holding shell is provided with a light source end positioning hole at the light source end plane for the lamp head end positioning column to be inserted and matched, wherein the column length of the lamp head end positioning column is less than or equal to the hole depth of the light source end positioning hole, and the cross-sectional shape of the lamp head end positioning column matches with the cross-sectional shape of the light source end positioning hole.
5. The lamp with emergency lighting function of claim 3, wherein the light source end holding shell is provided with a light source end positioning column at the light source end plane, the lamp cap end holding shell is provided with a lamp cap end positioning hole at the lamp cap end plane for the light source end positioning column to be inserted and matched, wherein the length of the light source end positioning column is less than or equal to the depth of the lamp cap end positioning hole, and the cross-sectional shape of the light source end positioning column matches with the cross-sectional shape of the lamp cap end positioning hole.
6. A lamp having an emergency lighting function according to claim 3, wherein the base end grip shell, the power connection structure and the fixed magnetic member together form a base end receiving cavity for receiving the power supply coil.
7. The lamp with emergency lighting function of claim 3, wherein the light source end holding shell is provided with a light source end receiving cavity on a side surface thereof facing away from the light source end holding shell, the light source end receiving cavity being configured to receive the movable magnetic member, the power receiving coil, the rechargeable battery and the lighting source and having an open cavity structure.
8. The lamp with the emergency lighting function according to any one of claims 1 to 7, wherein the power supply coil and the power receiving coil are both arranged in a cylindrical shape and are sleeved with each other when the movable magnetic member and the fixed magnetic member are magnetically attracted to each other.
9. The lamp with emergency lighting function according to any one of claims 1 to 7, wherein there are at least two magnetic assemblies, and in at least one pair of the fixed magnetic member and the movable magnetic member, the fixed magnetic member and the movable magnetic member are both in a ring structure and are sleeved with each other.
10. A light fixture with emergency lighting function according to any one of claims 1 to 7, further comprising an alarm device electrically connected to the power supply coil, wherein the power supply coil generates a recoil magnetic field when the power supply structure stops supplying power to the power supply structure, and wherein the power supply coil is capable of inducing power generation from the recoil magnetic field to make the alarm device sound an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982026.5U CN211574944U (en) | 2019-11-15 | 2019-11-15 | Lamp with emergency lighting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982026.5U CN211574944U (en) | 2019-11-15 | 2019-11-15 | Lamp with emergency lighting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211574944U true CN211574944U (en) | 2020-09-25 |
Family
ID=72530941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921982026.5U Active CN211574944U (en) | 2019-11-15 | 2019-11-15 | Lamp with emergency lighting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211574944U (en) |
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2019
- 2019-11-15 CN CN201921982026.5U patent/CN211574944U/en active Active
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