CN110822384B - Environment-friendly LED lamp holder convenient to fix and stable in power supply - Google Patents
Environment-friendly LED lamp holder convenient to fix and stable in power supply Download PDFInfo
- Publication number
- CN110822384B CN110822384B CN201911162607.9A CN201911162607A CN110822384B CN 110822384 B CN110822384 B CN 110822384B CN 201911162607 A CN201911162607 A CN 201911162607A CN 110822384 B CN110822384 B CN 110822384B
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- China
- Prior art keywords
- fixedly connected
- lamp holder
- spring
- stable
- lamp stand
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 22
- 241001465382 Physalis alkekengi Species 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 3
- 239000012811 non-conductive material Substances 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
-
- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/04—Resilient mountings, e.g. shock absorbers
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- 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
- F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
-
- 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
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/096—Magnetic devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The utility model provides an environment-friendly LED lamp stand convenient to it is fixed and supply power is stable, relates to environmental protection science and technology technical field, including the lamp stand, the interior roof fixedly connected with spring one of lamp stand, the bottom fixedly connected with of spring one leads electrical pillar, the equal fixedly connected with electromagnetic means of inner wall of lamp stand both sides, the both sides of lamp stand and the inboard equal fixedly connected with spring two that is close to electromagnetic means. This environment-friendly LED lamp stand convenient to it is fixed and stable to supply power, cooperation through suspension cistern and dop is used, during the installation, directly insert lamp utensil lamp stand bottom, because the turbid liquid is in liquid under the not on state, so the dop of lamp utensil can be crowded rubber sleeve to both sides, make lamp utensil card go into in the lamp stand, and make the top of lamp utensil and lead electrical connection of electrical pillar, simultaneously because the dop is greater than the internal diameter of rubber sleeve, so can prevent that lamp utensil from dropping, thereby the effect of being convenient for to install has been reached, the installation procedure has been simplified, the danger coefficient of installation has been reduced.
Description
Technical Field
The invention relates to the technical field of environmental protection science and technology, in particular to an environment-friendly LED lamp holder which is convenient to fix and stable in power supply.
Background
The power resource is an indispensable important component in modern science and technology, most of the current lamps work through power, and for the sustainable development of energy and the purpose of environmental protection and energy conservation, the LED lamp is invented to replace the old lamps, so that the electric energy is effectively saved, the environmental protection is facilitated, and the environment is protected.
The LED lamp needs to be screwed into a lamp holder when the LED lamp is installed at present, the screwing process is complex, the height of the lamp holder is generally high, auxiliary tools such as a herringbone ladder are needed to assist installation during installation, safety problems cannot be completely guaranteed, due to the relation of installation angles, force is not easily applied by installation personnel during installation, the LED lamp easily drops, loss is caused, even the personnel who are low can be injured by smashing, and the danger coefficient is high.
Therefore, we propose an environment-friendly LED lamp socket which is convenient to fix and stable in power supply to solve the above problems,
disclosure of Invention
The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides an environment-friendly LED lamp stand convenient to it is fixed and supply power is stable, which comprises a lamp socket, the interior roof fixedly connected with spring one of lamp stand, the bottom fixedly connected with of spring one leads electrical pillar, the equal fixedly connected with electromagnetic means of inner wall of lamp stand both sides, the both sides of lamp stand and the inboard equal fixedly connected with spring two that is close to electromagnetic means, the inboard fixedly connected with centering piece of spring two, the inner wall fixedly connected with magnetic path of centering piece, the middle part fixedly connected with dielectric plate of centering piece, the inner wall of lamp stand and the top fixedly connected with positive plate that is close to centering piece, the inner wall of lamp stand and the bottom fixedly connected with negative plate that is close to centering piece, the suspension cistern has been seted up to the bottom of lamp stand, the inboard fixedly connected with rubber sleeve of suspension cistern, the middle part joint of lamp stand.
The invention has the following beneficial effects:
1. this environment-friendly LED lamp stand convenient to it is fixed and stable to supply power, cooperation through suspension cistern and dop is used, during the installation, directly insert lamp utensil lamp stand bottom, because the turbid liquid is in liquid under the not on state, so the dop of lamp utensil can be crowded rubber sleeve to both sides, make lamp utensil card go into in the lamp stand, and make the top of lamp utensil and lead electrical connection of electrical pillar, simultaneously because the dop is greater than the internal diameter of rubber sleeve, so can prevent that lamp utensil from dropping, thereby the effect of being convenient for to install has been reached, the installation procedure has been simplified, the danger coefficient of installation has been reduced.
2. This environment-friendly LED lamp stand convenient to it is fixed and stable to supply power, cooperation through electromagnetic means and centering piece is used, when lamps and lanterns power is opened, electromagnetic means and turbid liquid all switch on, at this moment turbid liquid becomes solid-state, and simultaneously, centering piece moves in opposite directions with the dop chucking, make lamps and lanterns be in the central point of lamp stand bottom and put, and guaranteed lamps and lanterns and the stable electric connection who leads electrical pillar, thereby reached the effect of guaranteeing that the circuit stabilizes the output, the stability of lamps and lanterns power output has been improved, and strengthened the fixed effect of lamps and lanterns, effectively prevent lamps and lanterns from droing.
Further, the material of lamp stand is PVC material and the interior top of lamp stand is seted up with leading the movable groove of electrical pillar looks adaptation, spring one is compression spring, the material of leading electrical pillar is copper material and leads the bottom fixedly connected with electric contact of electrical pillar.
Furthermore, the magnetism of the inner side of the electromagnetic device is the same as that of the outer side of the magnetic block, the second spring is an extension spring, the length of the second spring is smaller than that of the centering block, the centering block is made of PVC materials, and a clamping groove matched with the clamping head is formed in the inner side of the centering block.
Further, the magnetic block is made of rubidium magnets, the size of the magnetic block is smaller than that of the centering block, the length of the dielectric plate is larger than that of the positive plate, and the size of the dielectric plate is smaller than that of the centering block.
Further, the positive plate is electrically connected with the power supply, the negative plate is electrically connected with the electromagnetic device, the middle of the suspension liquid tank is filled with turbid liquid, and the inner wall of the suspension liquid tank is fixedly connected with an electric block electrically connected with the electromagnetic device.
Further, the material of rubber sleeve is heat-resisting non-conducting material and the rubber sleeve has certain compliance, the top fixedly connected with of lamps and lanterns leads the electric contact of electrical pillar looks adaptation, the material of dop is PVC material and the diameter of dop is greater than the internal diameter of rubber sleeve.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a contraction structure of the centering block of the present invention;
FIG. 3 is an enlarged partial view of portion A of FIG. 1;
FIG. 4 is an enlarged partial view of the portion B in FIG. 2 according to the present invention.
In the figure: 1. a lamp socket; 2. a first spring; 3. a conductive post; 4. an electromagnetic device; 5. a second spring; 6. a centering block; 7. a magnetic block; 8. a dielectric plate; 9. a positive plate; 10. a negative plate; 11. a suspension liquid tank; 12. a rubber sleeve; 13. a light fixture; 14. and (4) clamping the head.
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. 1-4, an environment-friendly LED lamp holder convenient to fix and stable in power supply includes a lamp holder 1, the lamp holder 1 plays a role of fixing each component, the material of the lamp holder 1 is PVC material, the inner top of the lamp holder 1 is provided with a movable groove matched with a conductive post 3, the spring i 2 is a compression spring, the material of the conductive post 3 is copper material, the bottom of the conductive post 3 is fixedly connected with an electrical contact, the inner top wall of the lamp holder 1 is fixedly connected with the spring i 2, the spring i 2 plays a role of ejecting the conductive post 3 downwards, so as to ensure stable electrical connection of the conductive posts 3 of the lamp 13, the bottom of the spring i 2 is fixedly connected with the conductive post 3, the inner walls of the two sides of the lamp holder 1 are fixedly connected with electromagnetic devices 4, the electromagnetic devices 4 play a role of transmission, so that the two centering blocks 6 move towards each other, and clamp the chuck 14.
The magnetism of the inner side of the electromagnetic device 4 is the same as that of the outer side of the magnetic block 7, the spring II 5 is an extension spring, the length of the spring II 5 is smaller than that of the centering block 6, the centering block 6 is made of PVC materials, a clamping groove matched with the clamping head 14 is formed in the inner side of the centering block 6, the two sides of the lamp holder 1 and the inner sides of the lamp holder 1 close to the electromagnetic device 4 are fixedly connected with the spring II 5, the spring II 5 plays a role in contracting the centering block 6 into the lamp holder 1, the inner side of the spring II 5 is fixedly connected with the centering block 6, the centering block 6 plays a role in centering and fixing the lamp 13, the electric connection effect is enhanced, the stable electric power transmission effect is guaranteed, the magnetic block 7 is fixedly connected to the inner wall of the centering block 6, the magnetic block 7 plays a role in transmission, the magnetic block 7 is made of rubidium magnets, the size of the magnetic block 7 is smaller than that of the centering block 6, the length of the dielectric plate 8 is larger than.
The middle part of the centering block 6 is fixedly connected with a dielectric plate 8, the dielectric plate 8 plays a role in changing the relative area of a positive plate 9 and a negative plate 10, and finally the magnetic size of the electromagnetic device 4 is changed, the inner wall of the lamp holder 1 and the top part close to the centering block 6 are fixedly connected with the positive plate 9, the positive plate 9 is electrically connected with a power supply, the negative plate 10 is electrically connected with the electromagnetic device 4, the middle part of the suspension liquid tank 11 is filled with suspension liquid, the inner wall of the suspension liquid tank 11 is fixedly connected with an electric block electrically connected with the electromagnetic device 4, the inner wall of the lamp holder 1 and the bottom part close to the centering block 6 are fixedly connected with the negative plate 10, the positive plate 9 and the negative plate 10 play a role in controlling the electric power size of a circuit, the bottom part of the lamp holder 1 is provided with the suspension liquid tank 11, the inner side of the suspension liquid tank 11 is fixedly connected with a rubber sleeve 12, the rubber sleeve, the top of lamp 13 is fixedly connected with lead the electric contact of electrical pillar 3 looks adaptation, and dop 14's material is PVC material and dop 14's diameter is greater than the internal diameter of rubber sleeve 12, and the middle part joint of lamp stand 1 has lamp 13, and the top fixedly connected with dop 14 of lamp 13, dop 14 play the effect of being convenient for fixed lamp 13.
The working principle is as follows: when the lamp 13 is not clamped, as shown in fig. 2, at this time, the conductive column 3 is ejected out of the inner top wall of the lamp holder 1 under the action of the first spring 2, the centering block 6 is contracted into the lamp holder 1 under the action of the second spring 5, and the suspension in the suspension liquid tank 11 is in a liquid state.
When lamps and lanterns 13 and lamp stand 1 joint, as shown in fig. 1, at this moment, lamps and lanterns 13's top and leading electrical connection of electrical pillar 3 to leading electrical pillar 3 is crowded into the interior roof of lamp stand 1, because the turbid liquid is in the liquid, at this moment rubber sleeve 12 can take place elastic deformation, the income of dop 14 of being convenient for, and dop 14 card is gone into the back simultaneously, and rubber sleeve 12 can prevent that dop 14 from dropping, with lamps and lanterns 13 joint in lamp stand 1, simple to operate.
When the lamp holder 1 is electrically connected, as shown in fig. 2, the electromagnetic device 4 and the suspension liquid tank 11 are both powered on, the magnetic outside the magnetic block 7 is the same as the magnetic inside the electromagnetic device 4, so the magnetic block 7 moves to the middle of the lamp holder 1, the magnetic block 7 is fixedly connected with the centering block 6, so the centering block 6 moves to the middle of the lamp holder 1 and is clamped with the clamping head 14 to tightly clamp the clamping head 14, the distance that the dielectric plate 8 moves to the middle is larger along with the length that the centering block 6 extends to the middle, the relative area between the positive plate 9 and the negative plate 10 is larger, the voltage passing through the electromagnetic device 4 and the suspension liquid tank 11 is larger, the magnetic generated by the electromagnetic device 4 is larger, the solid state of the suspension liquid is larger, the lamp 13 is firmly fixed at the middle position, and the stable output of the power of the lamp 13 is ensured, the lamp 13 is effectively prevented from falling off.
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 (7)
1. The utility model provides an environment-friendly LED lamp stand convenient to it is fixed and supply power stable, includes lamp stand (1), its characterized in that: the inner top wall of the lamp holder (1) is fixedly connected with a first spring (2), the bottom of the first spring (2) is fixedly connected with a conductive column (3), the inner walls of two sides of the lamp holder (1) are fixedly connected with an electromagnetic device (4), the two sides of the lamp holder (1) and the inner side close to the electromagnetic device (4) are fixedly connected with a second spring (5), the inner side of the second spring (5) is fixedly connected with a centering block (6), the inner wall of the centering block (6) is fixedly connected with a magnetic block (7), the middle part of the centering block (6) is fixedly connected with a dielectric plate (8), the inner wall of the lamp holder (1) and the top close to the centering block (6) are fixedly connected with a positive plate (9), the inner wall of the lamp holder (1) and the bottom close to the centering block (6) are fixedly connected with a negative plate (10), the bottom of the lamp holder (1) is provided with a suspension liquid tank, the middle part joint of lamp stand (1) has lamps (13), the top fixedly connected with dop (14) of lamps (13), positive plate (9) and power electric connection, negative plate (10) and electromagnetic means (4) electric connection, the middle part of suspension cistern (11) is filled with turbid liquid and the inner wall fixedly connected with electromagnetic means (4) electric connection's of suspension cistern (11) electric piece, and along with centering piece (6) to the length that stretches out in the middle more, the distance that dielectric plate (8) moved to the middle is also big more, at this moment the relative area between positive plate (9) and negative plate (10) is just big more, at this moment voltage through electromagnetic means (4) and suspension cistern (11) is just big more, and at this moment the magnetism that electromagnetic means (4) produced is just big more, and the solidification of turbid liquid is just big more just.
2. The environment-friendly LED lamp holder convenient to fix and stable in power supply of claim 1, wherein: the material of lamp stand (1) is PVC material and the interior top of lamp stand (1) is seted up with leading electrical pillar (3) looks adaptation movable groove.
3. The environment-friendly LED lamp holder convenient to fix and stable in power supply of claim 1, wherein: the first spring (2) is a compression spring, the conductive column (3) is made of copper materials, and the bottom of the conductive column (3) is fixedly connected with an electric contact.
4. The environment-friendly LED lamp holder convenient to fix and stable in power supply of claim 1, wherein: the magnetism of the inner side of the electromagnetic device (4) is the same as that of the outer side of the magnetic block (7), the second spring (5) is an extension spring, and the length of the second spring (5) is smaller than that of the centering block (6).
5. The environment-friendly LED lamp holder convenient to fix and stable in power supply of claim 1, wherein: the centering block (6) is made of PVC material, and a clamping groove matched with the clamping head (14) is formed in the inner side of the centering block (6).
6. The environment-friendly LED lamp holder convenient to fix and stable in power supply of claim 1, wherein: the magnetic block (7) is made of rubidium magnet, the size of the magnetic block (7) is smaller than that of the centering block (6), the length of the dielectric plate (8) is larger than that of the positive plate (9), and the size of the dielectric plate (8) is smaller than that of the centering block (6).
7. The environment-friendly LED lamp holder convenient to fix and stable in power supply of claim 1, wherein: the material of rubber sleeve (12) is heat-resisting non-conductive material and rubber sleeve (12) have certain compliance, the top fixedly connected with of lamps and lanterns (13) with lead the electrical contact of electrical pillar (3) looks adaptation, the diameter of the material of dop (14) is greater than the internal diameter of rubber sleeve (12) for PVC material and dop (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162607.9A CN110822384B (en) | 2019-11-25 | 2019-11-25 | Environment-friendly LED lamp holder convenient to fix and stable in power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162607.9A CN110822384B (en) | 2019-11-25 | 2019-11-25 | Environment-friendly LED lamp holder convenient to fix and stable in power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110822384A CN110822384A (en) | 2020-02-21 |
| CN110822384B true CN110822384B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911162607.9A Expired - Fee Related CN110822384B (en) | 2019-11-25 | 2019-11-25 | Environment-friendly LED lamp holder convenient to fix and stable in power supply |
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| CN (1) | CN110822384B (en) |
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| CN111348346B (en) * | 2020-04-01 | 2021-05-21 | 简胜坚 | Easy dismouting garbage bin for environmental protection based on it is fixed that electromagnetism adsorbs |
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| CN111535697A (en) * | 2020-05-11 | 2020-08-14 | 朱凤梅 | Motor protection device based on electromagnetic attraction and suspension limitation |
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| CN111678102B (en) * | 2020-06-19 | 2021-06-25 | 齐云荣 | Energy-saving lamp holder convenient to install |
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| DE102015206739B4 (en) * | 2015-04-15 | 2024-02-08 | Vitesco Technologies GmbH | Determination of a stroke of a solenoid valve |
| CN205303896U (en) * | 2015-12-15 | 2016-06-08 | 黄精隆 | Lamp seat |
| CN108361661A (en) * | 2018-02-07 | 2018-08-03 | 佛山市富利来灯饰有限公司 | A kind of magnetism lamp holder |
| CN209068363U (en) * | 2019-01-10 | 2019-07-05 | 东莞市新锐照明有限公司 | A kind of magnetic-type concealed installation rail luminating system of direct current |
| CN110307529B (en) * | 2019-08-22 | 2020-07-17 | 临沂昱通新能源科技有限公司 | L ED lamp and lamp holder capable of magnetically adsorbing and changing brightness |
| CN110445298B (en) * | 2019-08-23 | 2020-12-22 | 浙江欧托电气有限公司 | Motor for centrifugal protection electromagnetic adsorption type electro-rheological glass lifter |
| CN110434784B (en) * | 2019-09-06 | 2021-04-09 | 金华威陵制管有限公司 | But steel of multiple steel pattern of centre gripping detects uses anchor clamps |
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