CN209399325U - A kind of lamp with sieve tabula rasa of electric operating - Google Patents
A kind of lamp with sieve tabula rasa of electric operating Download PDFInfo
- Publication number
- CN209399325U CN209399325U CN201822197912.9U CN201822197912U CN209399325U CN 209399325 U CN209399325 U CN 209399325U CN 201822197912 U CN201822197912 U CN 201822197912U CN 209399325 U CN209399325 U CN 209399325U
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- China
- Prior art keywords
- sieve
- tabula rasa
- lampshade
- lamp
- light
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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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Abstract
The utility model discloses a kind of lamps with sieve tabula rasa of electric operating, are related to electric armour clamp technical field；It includes lamp bracket and the lampshade that is arranged at the top of lamp bracket, further includes sieve tabula rasa be rotatablely connected using the lamp bracket as axis, and the shape of the lampshade is hollow hemispherical, the shape of the sieve tabula rasa be it is semicircle, the inner surface of the lampshade is provided with reflective layer；It coats reflective layer etc. by the semicircular sieve tabula rasa that is rotatablely connected using lamp bracket as axis, hollow hemispheric lampshade and in lampshade inner surface, realize lampshade top will not light leakage, the interference of no light, its underpart is bright and clear, facilitate a personal use operation, other people interfere from light.
Description
Technical field
The utility model relates to electric armour clamp technical fields more particularly to a kind of having for electric operating to sieve tabula rasa
Lamp.
Background technique
Headlamp type of functionality:
Illuminator is made of lighting source, lampshade and attachment.
One, illuminator is divided into two class of decorative lamp and functional lamp by function.
1, decorative lamp is composed of decorative element and lighting source, except with due regard to illumination efficiency and prevents dazzle etc.
It is required that outer, mainly meet the needs in the art of architecture with handsome in appearance.
2, the effect of functional lamp is: redistributing the luminous flux of light source, improves the utilization efficiency of light and avoid dazzle, create
Make suitable luminous environment.Moist, burn into is explosive, special lamps and lanterns used in the environment such as inflammable, lampshade also plays insulation blocking
Effect.
Two, illuminator is divided into two class of indoor illumination light fitting and outdoor illuminating lamp by field of employment.
1, indoor illumination light fitting is usually led to by total light and is classified in the episphere in space and the allocation proportion of lower semisphere.It is international
The illumination committee suggests accordingly: illuminator is divided into direct, semi-direct, uniform diffusion, half indirect, indirect five kinds.
2, outdoor illuminating lamp, mainly floodlight.Floodlight is also known as light projector, is to utilize reflecting mirror, diaphotoscope and lattice
Grid constrain in light in one smaller solid angle and become intense light source, are usually used in heavy construction nightscape lighting.
Headlamp fundamental characteristics:
The essential characteristic of illuminator usually with three distribution curve flux, that is, curve of light distribution, shielding angle and efficiency indexs come
It indicates.
1, distribution curve flux.Luminous intensity vector of the lamps and lanterns in working condition in directive all directions, is painted on by a certain percentage
X, on Y, Z three-dimensional data, then vector terminal is linked up, just constitutes a closed light intensity body.When light intensity body is passed through
When the plane cutting of axis, a closed intersection is obtained in the plane, this intersection is plotted in plan view in the form of polar
On, become the distribution curve flux of lamps and lanterns.The luminous flux that distribution curve flux is usually issued by light source is 1000 lumens to draw.
2, shielding angle.When the brightness of light source is more than 16 × 103 banks/rice 2, human eye cannot be endured, and 100 watts
The filament brightness of incandescent lamp is up to 300 × 103 banks/rice 2.In order to reduce or eliminate dazzle caused by this high-brightness surface, give
Light source adds the lampshade that an opaque material is made into, and can receive remarkable result.Illuminator prevents the range of dazzle common
Shielding angle γ is measured, and refers to the line on lampshade side and illuminator edge and the angle of horizontal plane.The lampshade of trnaslucent materials
It due to itself there is certain brightness, even if there is certain shielding angle, remains to cause dazzle, thus cover surface brightness should be subject to
Limitation.
3, efficiency.Lampshade made of any material, can all absorb a part of luminous flux, and light source itself can also absorb a small amount of
Reflected light, that is, lampshade inner surface reflected light, subtracts these luminous fluxes, is only the luminous flux that illuminator is projected to space.Usually
The ratio between the light issued with illuminator is logical and light source light is led to, and indicates the efficiency of illuminator.
Prior art problem and thinking:
Currently, headlamp is widely used in electric power field work, especially in the case where being rather dark, even more it be unable to do without
Headlamp.
It when one people's field operation, needs to hold headlamp with a hand, carries out inspection operation using another hand, very
It is inconvenient.Alternatively, headlamp is placed on the distribution box or similar cabinet in field, by the light of distribution, under lamp into
Row inspection operation.
When more people's field operations, headlamp can be grasped with a people, another people carries out inspection operation, although operation side
, but occupy manpower more.Alternatively, headlamp is placed on the distribution box or similar cabinet in field, by scattered
The light of cloth, a people carry out inspection operation under lamp, and still, the light of distribution influences whether the eyes of people from side, the eye of other people
Eyeball blank out can not be synchronously carried out other normal operations.
In the prior art, there is a technical solution that the technical problem is solved using barn door, but the problem is that shading
It is bonded sliding on the inside or outside of plate and lampshade, a part of light of lampshade upper side can only be sheltered from, cannot be sheltered under lampshade mouth
The light just projected, the light for influencing other people is mainly the light projected below lampshade mouth.Or barn door is mounted on lampshade
On, when use, puts down barn door, the problem is that, barn door flutters with the wind, and light still will affect other people；It is not able to rotate
The position of barn door is adjusted, it is inflexible for use, inconvenient.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of lamps with sieve tabula rasa of electric operating, lead to
It crosses the semicircular sieve tabula rasa being rotatablely connected using lamp bracket as axis, hollow hemispheric lampshade and is coated in lampshade inner surface reflective
Layer etc., realize lampshade top will not light leakage, the interference of no light, its underpart is bright and clear, facilitates a personal use operation, other people
It is interfered from light.
In order to solve the above technical problems, technical solution adopted in the utility model is: including lamp bracket and being arranged in lamp bracket
The lampshade at top, further includes the sieve tabula rasa being rotatablely connected using the lamp bracket as axis, and the shape of the lampshade is hollow hemisphere
The shape of shape, the sieve tabula rasa is semicircle, and the inner surface of the lampshade is provided with reflective layer.
A further technical solution lies in: bearing is provided on lamp bracket, the sieve tabula rasa is fixedly connected with bearing.
A further technical solution lies in: handle is provided on the sieve tabula rasa, the sieve tabula rasa passes through bearing and handle
Hand is in lampshade rotated down.
A further technical solution lies in: sliding groove is provided on the lampshade, the shape of the sliding groove is arc
And it is parallel with the bottom surface of lampshade, be provided with sliding block on the sieve tabula rasa, be provided with handle on the slide block, the sliding block and
The shape of handle is cylindrical body, and the sliding of the sliding block and sliding groove be adapted to, the sieve tabula rasa pass through bearing, sliding block, handle and
Sliding groove rotates in lampshade.
A further technical solution lies in: one end of the sliding block is fixedly connected with handle, the other end and sieve tabula rasa spiral shell
Line connection, the assembly and lampshade that the sieve tabula rasa, sliding block and handle are formed connect and fix.
A further technical solution lies in: it further includes the light valve switch and controller being arranged on the lamp bracket, described
Sieve tabula rasa is light valve, and the light valve switch is connect with the input terminal of controller, the control terminal of the controller and the control of light valve
End connection.
A further technical solution lies in: the controller is single-chip microcontroller.
A further technical solution lies in: the light valve switch is touch-switch.
A further technical solution lies in: the light valve switch is connected with the power end of controller.
A further technical solution lies in: it further includes the lamp body being arranged on lamp bracket, and the lamp body is LED light.
The beneficial effects of adopting the technical scheme are that
First, it further include being rotatablely connected by axis of the lamp bracket including lamp bracket and the lampshade being arranged at the top of lamp bracket
Tabula rasa is sieved, the shape of the lampshade is hollow hemispherical, and the shape of the sieve tabula rasa is semicircle, in the interior table of the lampshade
Face is provided with reflective layer.The spotlight effect of the technical solution, hemispheric lampshade is good, and its underpart is bright and clear, is easy to use；Instead
Photosphere make lampshade top will not light leakage, the interference of no light；The shape for sieving tabula rasa is semicircle, so that going out below lampshade mouth
Light rate is 50%, realizes a personal use operation, and other people interfere from light.
Second, bearing is provided on lamp bracket, the sieve tabula rasa is fixedly connected with bearing.The technical solution, structure are more closed
Reason, sieve tabula rasa rotation are more smooth；Sieving tabula rasa can be rotated using lamp bracket as 360 ° of axis, and freely, flexibly, use is more square for rotational angle
Just.
Third is provided with handle on the sieve tabula rasa, and the sieve tabula rasa is by bearing and handle in lampshade rotated down.
The technical solution is used more convenient by handle operation.
4th, sliding groove is provided on the lampshade, the shape of the sliding groove is arc and puts down with the bottom surface of lampshade
Row, is provided with sliding block on the sieve tabula rasa, is provided with handle on the slide block, and the shape of the sliding block and handle is circle
Cylinder, the sliding block are adapted to sliding groove sliding, and the sieve tabula rasa is turned in lampshade by bearing, sliding block, handle and sliding groove
It is dynamic.The technical solution, more reasonable structure, sieve tabula rasa rotation is more smooth, more stable, will not shake or swing, and feel is more comfortable,
Using more convenient.
5th, one end of the sliding block is fixedly connected with handle, and the other end is threadedly coupled with sieve tabula rasa, the sieve light
The assembly and lampshade that plate, sliding block and handle are formed connect and fix.One end of the technical solution, sliding block is fixedly connected with handle,
Structure is stronger, and performance is more stable, and the service life is longer；The other end of sliding block is threadedly coupled with sieve tabula rasa, more reasonable structure, more
It is easily assembled to and safeguards, more time saving and energy saving, cost is lower；Sieve tabula rasa fixed effect it is excessively good, will not because of slight vibration and
Positioning, performance are more stable.
6th, it further include the light valve switch and controller being arranged on the lamp bracket, the sieve tabula rasa is light valve, described
Light valve switch is connect with the input terminal of controller, and the control terminal of the controller and the control terminal of light valve connect.The technical solution,
Needs can be used according to a people or two people, controlling the light emission rate below lampshade mouth is 50% or 100%, is made simultaneously for two people
With, more reasonable structure, applicability is more preferable.
Detailed description of the invention
Fig. 1 is the structure chart of embodiment 1 in the utility model；
Fig. 2 is the partial cross sectional views of embodiment 1 in the utility model；
Fig. 3 is the structure chart of embodiment 2 in the utility model；
Fig. 4 is the partial cross sectional views of embodiment 2 in the utility model；
Fig. 5 is the structure chart of the sieve tabula rasa of embodiment 2 in the utility model.
Wherein: 1 lamp bracket, 2 lampshades, 3 sieve tabula rasas, 4 bearings, 5 sliding blocks, 6 handles, 7 sliding grooves, 8 lamp bodies.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
Many details are explained in the following description in order to fully understand the application, but the application can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to the application intension
In the case of do similar popularization, therefore the application is not limited by the specific embodiments disclosed below.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.
Embodiment 1:
As shown in Figure 1-Figure 3, the utility model discloses a kind of lamps with sieve tabula rasa of electric operating comprising lamp
Frame 1, lampshade 2, sieve tabula rasa 3, bearing 4 and handle 6, the lampshade 2 are mounted on the top of lamp bracket 1, and shape is hollow hemisphere
Shape is coated with reflective layer in the inner surface of lampshade 2；The shape of the sieve tabula rasa 3 is semicircle, in the cambered surface side of sieve tabula rasa 3
Be adhesively fixed handle 6；The bearing 4 is mounted on lamp bracket 1, and the center of circle portion of sieve tabula rasa 3 is fixedly connected with bearing 4；The sieve light
Plate 3 is axis in 2 rotated down of lampshade with lamp bracket 1 by bearing 4 and handle 6.
The sieve tabula rasa 3 is barn door.
Operation instruction:
As shown in Fig. 2, installing lamp body 8 on lamp bracket 1, when other people do not need to illuminate, and a people needs to illuminate, handle is pushed
6 make sieve tabula rasa 3 turn to the side for not needing the lampshade 2 of other people side of illumination.At this point, lamp only has side that can project light,
Facilitate a people by light using operation, other people are not interfered by light, do not interfere with each other.
The shape of lampshade 2 is hollow hemispherical, and inner surface is coated with reflective layer, so that the spotlight effect of lampshade 2 is good,
The lower part of lampshade 2 is bright and clear, is easy to use, the top of lampshade 2 will not light leakage, no light interference.
Sieving tabula rasa 3 can be 360 ° of axis rotations with lamp bracket 1, and rotational angle is freely, flexibly, very easy to use.Cost compared with
It is low, it is suitable for low-end market and promotes the use of.
Embodiment 2:
As shown in Figure 3-Figure 5, the utility model discloses a kind of lamps with sieve tabula rasa of electric operating comprising lamp
Frame 1, lampshade 2, sieve tabula rasa 3, bearing 4, sliding block 5 and handle 6, the lampshade 2 are mounted on the top of lamp bracket 1, and shape is hollow
Hemispherical, lampshade 2 inner surface be coated with reflective layer, sliding groove 7, the shape of the sliding groove 7 are offered on lampshade 2
For arc and parallel with the bottom surface of lampshade 2.
The shape of the sieve tabula rasa 3 is semicircle, offers screw hole on the cambered surface side of sieve tabula rasa 3, the sliding block 5
One end is fixedly connected with handle 6, and the other end is threadedly coupled with the screw hole on sieve tabula rasa 3, the shape of the sliding block 5 and handle 6
It is cylindrical body, the sliding block 5 is adapted to the sliding of sliding groove 7.
The bearing 4 is mounted on lamp bracket 1, and the center of circle portion of sieve tabula rasa 3 is fixedly connected with bearing 4.
The sieve tabula rasa 3 is rotated in lampshade 2 by bearing 4, sliding block 5, handle 6 and sliding groove 7, and the sieve tabula rasa 3 is slided
The assembly that block 5 and handle 6 are formed is connected and fixed with lampshade 2.
The sieve tabula rasa 3 is barn door.
Operation instruction:
As shown in figure 4, installing lamp body 8, when other people do not need to illuminate, and a people needs to illuminate, swing handle on lamp bracket 1
6 unscrewed it is dynamic, sliding sieve tabula rasa 3 to do not need illumination other people side lampshade 2 side, then tighten handle 6 and make
It is connected and fixed with lampshade 2.At this point, lamp only has side that can project light, facilitate a people by light using operation, other people not by
Light interference, does not interfere with each other.
The shape of lampshade 2 is hollow hemispherical, and inner surface is coated with reflective layer, so that the spotlight effect of lampshade 2 is good,
The lower part of lampshade 2 is bright and clear, is easy to use, the top of lampshade 2 will not light leakage, no light interference.
The assembly that sieve tabula rasa 3, sliding block 5 and handle 6 are formed can be connected and fixed with lampshade 2, sieve the fixed effect of tabula rasa 3
It is good to cross, will not the positioning because of slight vibration, performance stablize.Cost is relatively low, is suitable for low-end market and promotes the use of.
Embodiment 3:
It on the basis of embodiment 1, further include the light valve switch and controller being mounted on the lamp bracket 1, the sieve
Tabula rasa 3 is light valve, and the light valve switch is connect with the input terminal of controller, the control terminal of the controller and the control terminal of light valve
Connection.
Wherein, light valve switch is touch-switch, and the model stc89c52 of controller, light valve is liquid crystal light valve, liquid crystal light
Details are not described herein as the prior art for valve sheet.
Operation instruction:
When the operator on both sides is both needed to using illumination, light valve switch is pressed, light valve switch informs controller, controller
Light valve is controlled to open.At this point, lamp bottom has light injection, facilitates two people while operating with.Moderate cost, is suitable for
Marketing is held to use.
Embodiment 4:
It further include the light valve switch and controller being mounted on the lamp bracket 1, the sieve on the basis of embodiment 2
Tabula rasa 3 is light valve, and the light valve switch is connected with the power end of controller, the control terminal of the controller and the control terminal of light valve
Connection.
Wherein, light valve switch is touch-switch, and the controller is single-chip microcontroller, and model stc89c52, light valve is liquid
Brilliant light valve, details are not described herein as the prior art for liquid crystal light valve sheet.
This product is suitable for middle and high end marketing and uses.
The lamp body 8 is LED light, energy conservation and environmental protection.
Claims (10)
1. a kind of lamp with sieve tabula rasa of electric operating, the lampshade (2) including lamp bracket (1) and setting at the top of lamp bracket (1),
It is characterized by: it further includes the sieve tabula rasa (3) with the lamp bracket (1) for axis rotation connection, the shape of the lampshade (2) is sky
The shape of the hemispherical of the heart, sieve tabula rasa (3) is semicircle, and the inner surface of the lampshade (2) is provided with reflective layer.
2. a kind of lamp with sieve tabula rasa of electric operating according to claim 1, it is characterised in that: in lamp bracket (1)
On be provided with bearing (4), the sieve tabula rasa (3) is fixedly connected with bearing (4).
3. a kind of lamp with sieve tabula rasa of electric operating according to claim 2, it is characterised in that: in the sieve light
It is provided on plate (3) handle (6), the sieve tabula rasa (3) is by bearing (4) and handle (6) in lampshade (2) rotated down.
4. a kind of lamp with sieve tabula rasa of electric operating according to claim 3, it is characterised in that: in the lampshade
(2) it is provided on sliding groove (7), the shape of the sliding groove (7) is arc and parallel with the bottom surface of lampshade (2), in the sieve
It is provided with sliding block (5) on tabula rasa (3), is provided on the sliding block (5) handle (6), the shape of the sliding block (5) and handle (6)
Shape is cylindrical body, and the sliding block (5) and sliding groove (7) sliding be adapted tos, the sieve tabula rasa (3) pass through bearing (4), sliding block (5),
The rotation in lampshade (2) of handle (6) and sliding groove (7).
5. a kind of lamp with sieve tabula rasa of electric operating according to claim 4, it is characterised in that: the sliding block
(5) one end is fixedly connected with handle (6), and the other end is threadedly coupled with sieve tabula rasa (3), the sieve tabula rasa (3), sliding block (5)
The assembly formed with handle (6) is connected and fixed with lampshade (2).
6. the lamp with sieve tabula rasa of a kind of electric operating described in any one of -5 according to claim 1: it further includes
The light valve switch and controller being arranged on the lamp bracket (1), the sieve tabula rasa (3) are light valve, the light valve switch and control
The input terminal of device connects, and the control terminal of the controller and the control terminal of light valve connect.
7. a kind of lamp with sieve tabula rasa of electric operating according to claim 6, it is characterised in that: the controller
For single-chip microcontroller.
8. a kind of lamp with sieve tabula rasa of electric operating according to claim 6, it is characterised in that: the light valve is opened
Closing is touch-switch.
9. a kind of lamp with sieve tabula rasa of electric operating according to claim 6, it is characterised in that: the light valve is opened
It connects with the power end of controller pass.
10. a kind of lamp with sieve tabula rasa of electric operating according to claim 1, it is characterised in that: it further includes
The lamp body (8) being arranged on lamp bracket (1), the lamp body (8) are LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197912.9U CN209399325U (en) | 2018-12-26 | 2018-12-26 | A kind of lamp with sieve tabula rasa of electric operating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197912.9U CN209399325U (en) | 2018-12-26 | 2018-12-26 | A kind of lamp with sieve tabula rasa of electric operating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209399325U true CN209399325U (en) | 2019-09-17 |
Family
ID=67896246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822197912.9U Expired - Fee Related CN209399325U (en) | 2018-12-26 | 2018-12-26 | A kind of lamp with sieve tabula rasa of electric operating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209399325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519899A (en) * | 2018-12-26 | 2019-03-26 | 国网河北省电力有限公司安平县供电分公司 | A kind of lamp with sieve tabula rasa of electric operating |
| CN110848643A (en) * | 2019-12-24 | 2020-02-28 | 国家电网有限公司 | Lamp with shading plate for electric power operation sliding vertically on lampshade |
-
2018
- 2018-12-26 CN CN201822197912.9U patent/CN209399325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519899A (en) * | 2018-12-26 | 2019-03-26 | 国网河北省电力有限公司安平县供电分公司 | A kind of lamp with sieve tabula rasa of electric operating |
| CN110848643A (en) * | 2019-12-24 | 2020-02-28 | 国家电网有限公司 | Lamp with shading plate for electric power operation sliding vertically on lampshade |
| CN110848643B (en) * | 2019-12-24 | 2020-10-09 | 国家电网有限公司 | Lamp with shading plate for electric power operation sliding vertically on lampshade |
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Granted publication date: 20190917 Termination date: 20191226 |