CN201580870U - Elevator ceiling - Google Patents
Elevator ceiling Download PDFInfo
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- CN201580870U CN201580870U CN2009202914647U CN200920291464U CN201580870U CN 201580870 U CN201580870 U CN 201580870U CN 2009202914647 U CN2009202914647 U CN 2009202914647U CN 200920291464 U CN200920291464 U CN 200920291464U CN 201580870 U CN201580870 U CN 201580870U
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- illumination equipment
- crossbeam
- furred ceiling
- fixed frame
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Abstract
An elevator ceiling arranged on the top plate of an elevator car comprises a framework and a lighting device, wherein the framework comprises two fixation frames, two connecting frames and a plurality of lighting device mounting beams; the two fixation frames are parallel to each other and are detachably connected with the top plate of the elevator car respectively; the two connecting frames are parallel to each other and are detachably connected with the two fixation frames respectively; the lighting device mounting beams are arranged between the two connecting frames and are detachably connected with the two fixation frames; and the lighting device is arranged on the lighting device mounting beams. The utility model has the advantages of visually extended height of space of the elevator car, aesthetic appearance, high illumination efficiency, convenient disassembly, assembly and transportation, suitability to LED lighting devices, and low maintenance cost.
Description
Technical field
The utility model relates to the elevator technology field, relates in particular to a kind of installing space and good elevator furred ceiling of illuminating effect saved.
Background technology
At present, high-grade cabin elevator is equipped with the decoration furred ceiling in order to pursue attractive in appearance and to satisfy the needs of lamp installation in elevator inside.The furred ceiling operated by rotary motion is connected with sedan-chair top board or car walls in elevator car roof, and lamps and lanterns is installed in the furred ceiling.
Existing elevator furred ceiling is owing to be subjected to the restriction of lamps and lanterns profile and size, need very big installing space of design and bigger mounting structure, the thickness of general furred ceiling is between 15-20 centimetre, baroque furred ceiling will reach more than 30 centimetres especially, occupied bigger car height space, make the height space of whole lift car reduce, make the people produce sense of depression easily.And, because furred ceiling must be complementary with the concrete apparent size of lamps and lanterns, make the design of furred ceiling must be confined in the outward appearance framework of light fixture, can not satisfy some special requirements attractive in appearance; Simultaneously, this kind limitation also causes the efficiency lf illumination in the lift car very low.In addition, existing furred ceiling design all needs more ornament materials, and mounting means is inflexible single, can not on-site installation, integral structure heaviness not only, cost an arm and a leg return lamps and lanterns change that transportation has caused difficulty with single-piece.
In addition, the light source that existing lamps and lanterns generally adopts is common daylight lamp, filament lamp, halide torch etc., these light sources are easily broken, energy consumption is high, the life-span is generally shorter, are not suitable for the operating mode of lift car with the frequent switch of lamp needs, have the high shortcoming of later maintenance expense.In recent years, along with the LED technology rapid development, growing field adopts the LED lamp as illumination equipment.The LED light fixture has the frequently characteristics of switch, being very suitable for lift cage illumination uses, but, the structure of existing elevator furred ceiling has bigger illumination equipment installing space for the design of coupling conventional lamp, install and to have problems such as waste installing space, efficiency lf illumination are low behind the LED illumination equipment, therefore, existing elevator furred ceiling is not suitable for adopting the LED illumination equipment.
In sum, there is the waste installing space in existing elevator furred ceiling, aesthetic property is poor, efficiency lf illumination is low, dismounting and transportation are inconvenient and be not suitable for adopting the technical matters of LED illumination equipment.Secondly, the lamps and lanterns of existing elevator furred ceiling is not suitable for the operating mode of lift car with the frequent switch of lamp needs, has the high shortcoming of later maintenance expense.
The utility model content
The purpose of this utility model is to provide a kind of elevator furred ceiling, to solve elevator furred ceiling waste installing space in the prior art, aesthetic property is poor, efficiency lf illumination is low, dismounting and transportation are inconvenient and is not suitable for adopting LED illumination equipment and the high shortcoming of lamps and lanterns later maintenance expense.
For achieving the above object, the utility model provides a kind of elevator furred ceiling, be arranged on the lift car top board, comprise framework and illumination equipment, wherein, framework comprises two fixed frames, two connection boxes and some illumination equipments installation crossbeam, and two fixed frames are parallel to each other, removably are connected with the car top board respectively; Two connection boxes are parallel to each other, and removably are connected with two fixed frames respectively; Illumination equipment is installed crossbeam and is arranged between two connection boxes, and removably is connected with two fixed frames respectively; Illumination equipment is arranged on illumination equipment and installs on the crossbeam.
According to the described elevator furred ceiling of the utility model preferred embodiment, its framework also comprises first connecting element, second connecting element, first attaching parts and second attaching parts, first connecting element is connected with two fixed frames respectively with second connecting element, is used for two fixed frames are fixed on the car top board; First attaching parts removably is connected between fixed frame and the connection box; What second attaching parts was removable is connected between fixed frame and the illumination equipment installation crossbeam.
According to the described elevator furred ceiling of the utility model preferred embodiment, between the first above-mentioned attaching parts and fixed frame and the connection box and second attaching parts and fixed frame and illumination equipment crossbeam be installed passed through bolted connection.
According to the described elevator furred ceiling of the utility model preferred embodiment, between the first above-mentioned attaching parts and fixed frame and the connection box and second attaching parts with fixed frame and illumination equipment crossbeam is installed and is connected by buckle.
According to the described elevator furred ceiling of the utility model preferred embodiment, its illumination equipment is the LED illumination equipment, the LED illumination equipment comprises power supply, circuit card, a plurality of LED particle and diffuser, and power supply and circuit card are arranged on illumination equipment crossbeam inside is installed, and connects by lead; The LED particle is welded on the circuit card; Diffuser and illumination equipment are installed crossbeam bottom clamping, the LED particle is covered on illumination equipment crossbeam inside is installed, and it is flat cover or curved surface cover.
According to the described elevator furred ceiling of the utility model preferred embodiment, the every 3-20 grain of LED particle is composed in series one group, and each LED illumination equipment comprises at least two group LED particles, and is in parallel or be connected in series between each group.
According to the described elevator furred ceiling of the utility model preferred embodiment, its LED illumination equipment is arranged in fixed frame and/or the connection box.
According to the described elevator furred ceiling of the utility model preferred embodiment, its fixed frame, connection box and illumination equipment are installed crossbeam and are provided with exiting surface, and this exiting surface is arranged on front or the side that fixed frame, connection box and illumination equipment are installed crossbeam.
According to the described elevator furred ceiling of the utility model preferred embodiment, the side of its connection box is inclined-plane or curved surface.
According to the described elevator furred ceiling of the utility model preferred embodiment, this elevator furred ceiling also comprises decorating structure, and this decorating structure is a trim board, and trim board is arranged on fixed frame, connection box and illumination equipment and installs on the crossbeam;
Or decorating structure comprises some upholstery borders, and each upholstery border is separately positioned on fixed frame, connection box and illumination equipment and installs on the crossbeam.
Compared with prior art, the utlity model has following advantage:
1, the utility model is decorated furred ceiling with elevator and lamps and lanterns carries out integrated design, terminal with compact integral structure, and installing space is little, from visually having promoted the height space of lift car.And the design of furred ceiling no longer is confined to the apparent size of lamps and lanterns, good looking appearance, efficiency lf illumination height.
2, the utility model is assembled by attaching parts by the single-piece section bar, may be split into individual construction in the transportation, can carry out assembled on site during installation, and mounting means is simple, even can singlely finish installation, dismounting convenient transportation.
3, the utility model adopts the LED lamp as illumination equipment, and the framework integral structure designs in conjunction with the LED illumination equipment, has overcome the deficiency that existing elevator furred ceiling is not suitable for adopting the LED illumination equipment.And existing for the traditional lighting light fixture, the LED light fixture has short, the frequent characteristics grown of switch, life-span of response time, is applicable to the lift cage illumination environment of frequent switch, has reduced the later maintenance expense.In addition, LED luminescence component of the present utility model designs through broadening, can reach to go out light effect uniformly on the exiting surface of broad, and exiting surface brightness is even, efficiency lf illumination is high, has good visual effect and energy-saving effect.
4, elevator sedan-chair top generally is spliced by three block plates, and splicing place has the splicing slit, and it is corresponding with the splicing slit that the utility model design illumination equipment is installed crossbeam, the splicing slit can be hidden after the installation.In addition, can also load trim board in the fixed frame, can carry out attractive, decorative on the trim board, further strengthen aesthetic property.
Description of drawings
Fig. 1 is the structural representation of the utility model elevator furred ceiling;
Fig. 2 is the structural representation of the framework of the utility model embodiment;
Fig. 3 is the cross sectional representation of the connection box of the utility model embodiment;
Fig. 4 is the cross sectional representation that the illumination equipment of the utility model embodiment is installed crossbeam;
Fig. 5 is the front elevation of the LED luminescence component of the utility model embodiment;
Fig. 6 is the connection diagram of fixed frame and the connection box of the utility model embodiment;
Fig. 7 is the fixed frame of the utility model embodiment and the connection diagram that illumination equipment is installed crossbeam;
Fig. 8-Fig. 9 is the scheme of installation of elevator furred ceiling of the present utility model;
Figure 10 is the structural representation of the utility model second connecting element.
The specific embodiment
Below in conjunction with accompanying drawing, specify the utility model.
See also Fig. 1, a kind of elevator furred ceiling 10 is arranged on the lift car top board, comprises framework 11 and LED illumination equipment 12.
As shown in Figure 2, framework 11 comprises that two fixed frames 111, two connection boxes 112, two illumination equipments install crossbeam 113, first connecting element 114, second connecting element 115, first attaching parts 116 and second attaching parts 117.Two fixed frames 111 are parallel to each other, removably are connected to the car top board by first connecting element 114 and second connecting element 115 respectively.Two connection boxes 112 are parallel to each other, and removably are connected with two fixed frames 111 by first attaching parts 116 respectively.Illumination equipment is installed crossbeam 113 and is parallel to two connection boxes 112, is set in qually spaced between two connection boxes 112, removably is connected with two fixed frames 111 by second attaching parts 117 respectively.
Please consult Fig. 3, Fig. 8 and Fig. 9 simultaneously, fixed frame 111 has identical profile structure with connection box 112, and the difference of the two only is: the side of fixed frame 111 is the plane, and the side of connection box 112 is the inclined-plane.Because the back is installed to the passenger, in order to reach the effect of attractive, decorative, so it is arranged to the inclined-plane in the side of connection box 112.But, in this example, need to prove that the side of connection box 112 of the present utility model is not limited in the inclined-plane, for example, it also can be arranged to cambered surface or other shapes, and more than adopting the inclined-plane is an example, and is not used in qualification the utility model.
In this example, framework 11 comprises two illumination equipments installation crossbeams 113.Because elevator sedan-chair top generally is spliced by three block plates, splicing place has the splicing slit, and the installation site of the illumination equipment of present embodiment installation crossbeam is corresponding with the splicing slit on the lift car top board.The splicing slit can be hidden after the installation, further strengthen aesthetic property.But, need to prove, the utility model does not limit the concrete quantity that illumination equipment is installed crossbeam 113, in actual applications, the quantity that illumination equipment is installed crossbeam 113 is provided with as required, can be two, also can be more than two, more than adopt two illumination equipments that just example of crossbeam 113 is installed, and be not used in qualification the utility model.
See also Fig. 1, Fig. 4 and Fig. 5, LED illumination equipment 12 is arranged on illumination equipment and installs on the crossbeam 113, comprises power supply 121, circuit card 122, a plurality of LED particle 123 and diffuser 124.Power supply 121 is arranged on illumination equipment and installs in the back side or cavity of crossbeam 113, is connected with circuit card 122 by lead, and circuit card 122 fixes or makes to be screwed at illumination equipment by heat conduction viscose, draw-in groove and installs on the cavity top board of crossbeam 113.Preferably, in the utility model, handle through thickening at the position of the cavity top board of mounting circuit boards 122, thickness is 2～10mm, increased the accumulation of heat volume like this, strengthened heat savings ability, more heats that LED illumination equipment 12 can be sent are sent near the section bar and then lose good heat dissipation effect.LED particle 123 is welded on the circuit card 122, the draw-in groove clamping of diffuser 124 bottom illumination equipment installation crossbeam.
In this example, because the quantity of LED illumination equipment 12 is corresponding with several wiping amounts of illumination equipment installation crossbeam 113, therefore two LED illumination equipments 12 are set also.But, need to prove, above the utility model does not limit the concrete quantity of LED illumination equipment 12, the quantity of LED illumination equipment 12 needs only and the quantity of illumination equipment installation crossbeam 113 is complementary, more than adopt just example of two LED illumination equipments 12, and be not used in qualification the utility model.
In addition, in this example, illumination equipment is installed crossbeam 113 and is adopted the front printing opacity, and its exiting surface is arranged on the front.But illumination equipment installation crossbeam 113 of the present utility model has more than and is confined to the front printing opacity, and its exiting surface also can be arranged on the side, adopts the side hollowed-out translucent.Simultaneously, in order further to strengthen illumination and decorative effect, LED illumination equipment 12 also can be installed on above-mentioned fixed frame 111 and the connection box 112 carry out floor light or decoration.Equally, the exiting surface of fixed frame 111 and connection box 112 also can be arranged on front or side, and the utility model does not limit the particular location of exiting surface.
The utility model adopts LED particle 123 as light source, and the driving voltage of single LEDs particle 123 is 2.8V～4V, and working current is 15～350mA.In above-mentioned LED illumination equipment 12, LED particle 123 every 3-20 grains are composed in series one group, are welded on the circuit card after parallel connection of at least two groups or the series connection, form a LED luminescence component, and the light output of this LED luminescence component can reach more than the 80lm/W, the light output height.In addition, the utility model disperses cross arrangement or other to help to expand the arrangement mode of bright dipping on circuit card 122 LED particle 123, and the exiting surface size of spacing between LED grain spacing and LED and the diffuser and diffuser has all been carried out reasonably arranging and designing, made the illumination on the exiting surface even.
In this example, the power supply that power supply 121 adopts is the constant-current supply of low voltage output, and the 220V power voltage supply that it can be provided by elevator is given the power supply of LED luminescence component behind constant flow module, can give the LED luminescence component power supply that 50 groups of LED are in parallel or be in series at most, range of use is wide.
Diffuser 124 has even light action, can even, the soft light of outgoing, and diffuser 124 can also be protected the LED luminescence component simultaneously.The mode that diffuser 124 of the present utility model adopts even light trnaslucent materials or transparent material to paste light-diffusing film, one-body molded or polylith material molding bonded, its exiting surface width can be designed to 40mm-120mm and not wait, and light transmittance can be higher than 90%.The light that the LED luminescence component sends through behind the diffuser, evenly mildly penetrates, and has good visual effect.As shown in Figure 4, in this example, diffuser 124 is a flat cover, still, need to prove, the concrete shape of diffuser 124 is looked the appearance decision, and it also can be designed to curved surface cover or other shapes, and the utility model does not limit the concrete shape of diffuser 124.
Above-mentioned elevator furred ceiling in use, install or when replacing this elevator furred ceiling, if the car top board has wearing and tearing, in order to cover worn-down car top board, also can on the elevator furred ceiling, decorating structure be installed, decorating structure can also can be the multi-block decorative plate bar for the monoblock trim board, adorns packaged plaque or moulding and is filled in the openwork part that frame fixation frame, connection box and illumination equipment are installed crossbeam.For example, can load aluminium-plastic panel, and can decorate the aluminium-plastic panel surface at openwork part.The upholstery border that aluminium-plastic panel can be cut into suitable size also can adopt the monoblock aluminium-plastic panel.The mounting means of aluminium-plastic panel can be selected directly the crossbeam clamping to be installed between elevator sedan-chair top and elevator furred ceiling by frame fixation frame, connection box and illumination equipment, also can beat screw hole on fixed frame, connection box and illumination equipment installation crossbeam and fix.Not only can save cost by above-mentioned at openwork part installation dalle, can also further increase the overall appearance effect of elevator furred ceiling at the enterprising luggage decorations of dalle.
More than each constituent elements of the utility model elevator furred ceiling 10 is illustrated, specifically introduce the assembling and the installation process of the utility model elevator furred ceiling 10 below in conjunction with Fig. 6-Figure 10.
As Fig. 6, shown in Figure 7, connection box 112 is connected by first attaching parts 116 with fixed frame 111, and illumination equipment is installed crossbeam 113 and is connected with two fixed frames 111 by second attaching parts 117.During assembling, earlier first attaching parts 116 is inserted into respectively in the slot of fixed frame 111 and connection box 112, be locked by bolt 20 again, fixed frame 111 and connection box 112 are connected into rectangular frame structure, then, carry out the installation that illumination equipment is installed crossbeam 113, earlier two second attaching partss 117 being inserted fixed frame 111 and illumination equipment respectively installs in the slot of crossbeam 113, be locked by bolt 20 again, illumination equipment installed crossbeam 113 be fixed on the installation site of fixed frame 111.So far, finish the assembling of whole elevator furred ceiling 10.
Please consult Fig. 8, Fig. 9 and Figure 10 again, when elevator furred ceiling 10 of the present utility model is installed, with bolt 20 first connecting element 114 is fixed on the right side of car top board, the left side that second connecting element 115 is fixed on the car top board earlier.As shown in figure 11, second connecting element 115 comprises connecting strap 1151 and jump ring 1152, and connecting strap 1151 and jump ring 1152 are spirally connected.After first connecting element 114 and second connecting element 115 fixed, the draw-in groove of the right side fixed frame 111 of framework is placed on first connecting element 114, then whole framework 11 is upwards lifted in the draw-in groove of the firm left side fixed frame 111 that is stuck in framework 11 of jump ring 1152, finished installation.
In this example, each parts all connects by bolt 20.But, need to prove that each parts of the present utility model can also adopt buckle to connect or other connection modes, any connection mode that each parts is linked together that can realize all should drop in the protection domain of the present utility model in the prior art.More than adopting bolted connection is an example, and is not used in qualification the utility model.
Compared with prior art, the utlity model has following advantage:
1, the utility model is decorated furred ceiling with elevator and lamps and lanterns carries out integrated design, terminal with compact integral structure, and installing space is little, from visually having promoted the height space of lift car.And the design of furred ceiling no longer is confined to the apparent size of lamps and lanterns, good looking appearance, efficiency lf illumination height.
2, the utility model is assembled by attaching parts by the single-piece section bar, may be split into individual construction in the transportation, can carry out assembled on site during installation, and mounting means is simple, even can singlely finish installation, dismounting convenient transportation.
3, the utility model adopts the LED lamp as the LED illumination equipment, and the LED light fixture has short, the frequent characteristics grown of switch, life-span of response time, is applicable to the lift cage illumination environment of frequent switch, has reduced the later maintenance expense.And the LED luminescence component designs through broadening, can reach to go out light effect uniformly on the exiting surface of broad, and exiting surface brightness is even, efficiency lf illumination is high, has good visual effect and energy-saving effect.
4, elevator sedan-chair top generally is spliced by three block plates, and splicing place has the splicing slit, and it is corresponding with the splicing slit that the utility model design illumination equipment is installed crossbeam, the splicing slit can be hidden after the installation, has further strengthened aesthetic property.
More than disclosed only be several specific embodiment of the present utility model, but the utility model is not limited thereto, any those skilled in the art can think variation, all should drop in the protection domain of the present utility model.
Claims (10)
1. an elevator furred ceiling is arranged on the lift car top board, it is characterized in that, comprise framework and illumination equipment, wherein, described framework comprises two fixed frames, two connection boxes and some illumination equipments installation crossbeam, described two fixed frames are parallel to each other, removably are connected with the car top board respectively; Described two connection boxes are parallel to each other, and removably are connected with described two fixed frames respectively; Described illumination equipment is installed crossbeam and is arranged between described two connection boxes, and removably is connected with described two fixed frames respectively; Described illumination equipment is arranged on described illumination equipment and installs on the crossbeam.
2. elevator furred ceiling as claimed in claim 1, it is characterized in that, described framework also comprises first connecting element, second connecting element, first attaching parts and second attaching parts, described first connecting element is connected with described two fixed frames respectively with second connecting element, is used for described two fixed frames are fixed on described car top board; Described first attaching parts removably is connected between described fixed frame and the connection box; What described second attaching parts was removable is connected between described fixed frame and the illumination equipment installation crossbeam.
3. elevator furred ceiling as claimed in claim 2 is characterized in that, between described first attaching parts and described fixed frame and the connection box and described second attaching parts and described fixed frame and illumination equipment crossbeam be installed passed through bolted connection.
4. elevator furred ceiling as claimed in claim 2 is characterized in that, between described first attaching parts and described fixed frame and the connection box and described second attaching parts with described fixed frame and illumination equipment crossbeam is installed and is connected by buckle.
5. elevator furred ceiling as claimed in claim 1, it is characterized in that, described illumination equipment is the LED illumination equipment, described LED illumination equipment comprises power supply, circuit card, a plurality of LED particle and diffuser, described power supply and circuit card are arranged on described illumination equipment crossbeam inside are installed, and connect by lead; Described LED particle is welded on the described circuit card; Described diffuser and described illumination equipment are installed crossbeam bottom clamping, described LED particle is covered on described illumination equipment crossbeam inside is installed, and it is flat cover or curved surface cover.
6. elevator furred ceiling as claimed in claim 5 is characterized in that, the every 3-20 grain of described LED particle is composed in series one group, and each LED illumination equipment comprises at least two group LED particles, and is in parallel or be connected in series between each group.
7. elevator furred ceiling as claimed in claim 5 is characterized in that, described LED illumination equipment is arranged in described fixed frame and/or the connection box.
8. as claim 1 or 7 described elevator furred ceilings, it is characterized in that described fixed frame, connection box and illumination equipment are installed crossbeam and be provided with exiting surface, described exiting surface is arranged on front or the side that described fixed frame, connection box and illumination equipment are installed crossbeam.
9. elevator furred ceiling as claimed in claim 1 is characterized in that, the side of described connection box is inclined-plane or curved surface.
10. elevator furred ceiling as claimed in claim 1 is characterized in that, described elevator furred ceiling also comprises decorating structure, and described decorating structure comprises a trim board, and described trim board is arranged on described fixed frame, connection box and illumination equipment and installs on the crossbeam;
Or described decorating structure comprises some upholstery borders, and described each upholstery border is separately positioned on described fixed frame, connection box and illumination equipment and installs on the crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202914647U CN201580870U (en) | 2009-12-15 | 2009-12-15 | Elevator ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202914647U CN201580870U (en) | 2009-12-15 | 2009-12-15 | Elevator ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201580870U true CN201580870U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202914647U Expired - Fee Related CN201580870U (en) | 2009-12-15 | 2009-12-15 | Elevator ceiling |
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| Country | Link |
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| CN (1) | CN201580870U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130078A (en) * | 2011-12-01 | 2013-06-05 | 苏州帝奥电梯有限公司 | Elevator suspended ceiling |
| CN102092622B (en) * | 2009-12-15 | 2013-07-10 | 浙江西子光电科技有限公司 | Elevator ceiling |
| CN103231971A (en) * | 2013-05-08 | 2013-08-07 | 江苏阿尔法电梯有限公司 | Light-transmitting car suspended ceiling for eliminating light spots |
| CN108861974A (en) * | 2018-06-25 | 2018-11-23 | 杭州多依辰科技有限公司 | A kind of elevator car top light sectional material structure and lift car ceiling light |
-
2009
- 2009-12-15 CN CN2009202914647U patent/CN201580870U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092622B (en) * | 2009-12-15 | 2013-07-10 | 浙江西子光电科技有限公司 | Elevator ceiling |
| CN103130078A (en) * | 2011-12-01 | 2013-06-05 | 苏州帝奥电梯有限公司 | Elevator suspended ceiling |
| CN103231971A (en) * | 2013-05-08 | 2013-08-07 | 江苏阿尔法电梯有限公司 | Light-transmitting car suspended ceiling for eliminating light spots |
| CN103231971B (en) * | 2013-05-08 | 2016-04-27 | 江苏阿尔法电梯有限公司 | Eliminate the printing opacity lift car suspended ceiling of hot spot |
| CN108861974A (en) * | 2018-06-25 | 2018-11-23 | 杭州多依辰科技有限公司 | A kind of elevator car top light sectional material structure and lift car ceiling light |
| CN108861974B (en) * | 2018-06-25 | 2023-11-14 | 杭州多依辰科技有限公司 | Elevator car dome lamp section bar structure and elevator car dome lamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20151215 |
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| EXPY | Termination of patent right or utility model |