CN212481212U - Heat dissipation device for moving head lamp - Google Patents
Heat dissipation device for moving head lamp Download PDFInfo
- Publication number
- CN212481212U CN212481212U CN202021250275.8U CN202021250275U CN212481212U CN 212481212 U CN212481212 U CN 212481212U CN 202021250275 U CN202021250275 U CN 202021250275U CN 212481212 U CN212481212 U CN 212481212U
- Authority
- CN
- China
- Prior art keywords
- mounting box
- air
- heat dissipation
- air blower
- lamp
- 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.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 62
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 41
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 3
- 239000011733 molybdenum Substances 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a heat dissipation device for a moving head lamp, which comprises a mounting box, wherein a platinum bulb with a lamp cup is arranged in the mounting box, a lamp shade is arranged above the lamp cup, and the lamp shade covers the lamp cup; the louver window is symmetrically arranged on two sides of the bottom of the mounting box, the ventilation openings are formed in two sides of the lamp cup and are arranged in the lamp shade, and the top layer blade channel of the louver window is communicated with the ventilation openings; the top surface of the mounting box is provided with a first air blower, a second air blower and a third air blower; the air outlet nozzles of the first air blower and the second air blower extend into the lampshade and are aligned to molybdenum sheets at the upper end of the platinum bulb, and L-shaped air outlets are formed in the side edges of the first air blower and the second air blower; and an air outlet nozzle of the third blower extends into the mounting box from one side of the bottom of the mounting box and is aligned with a molybdenum sheet at the lower end of the platinum bulb. The utility model discloses simple structure, the reinforcing dispels the heat to the lamp cup inner chamber at bulb place, and the radiating effect is good, can effectively take away the heat of gathering in the lamp cup, prolongs the life of bulb.
Description
Technical Field
The utility model relates to a computer lamp technical field of shaking head especially relates to a heat abstractor for lamp of shaking head.
Background
The platinum bulb is widely applied to the development of computer moving head lamps due to the excellent lighting effect. However, platinum bulbs are extremely temperature sensitive: under the motion state, the control of the temperature of each point of the platinum bulb to operate within the required range has always been the development difficulty of the platinum bulb computer moving head lamp. The heat accumulated after the platinum bulb computer moving head lamp is used for a long time can exceed the required range, so that the serious problems of bulb whitening, quick light decay, bulb explosion, short service life of a light source and the like can be caused. The existing fan-assisted heat dissipation that adopts more, like patent CN207364805U discloses a take cooling system's lamp stand, it blows the heat dissipation to the upper and lower both ends of bulb through 4 fans, but is relatively poor to the lamp cup inner chamber radiating effect at bulb place, can not in time effectively take away the heat that gathers in the lamp cup, can cause the influence to the life of bulb.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heat abstractor for moving head lamp, the utility model discloses simple structure, the reinforcing dispels the heat to the lamp cup inner chamber at bulb place, and the radiating effect is good, can effectively take away the heat of gathering in the lamp cup, has prolonged the life of bulb, has solved platinum bulb computer and has moved head lamp and have sent out the serious problem that the bulb that exists for a long time, the light decay is fast, explode bubble, light source life-span short.
The technical scheme of the utility model is that:
a heat dissipation device for a moving head lamp comprises a mounting box, wherein a mounting hole is formed in the middle of the mounting box, a lamp cup is arranged in the mounting hole, a platinum bulb is installed in the lamp cup, a lamp shade is arranged at the top of the mounting box and covers the lamp cup, shutters are symmetrically arranged on two sides of the bottom of the mounting box, ventilation openings for dissipating heat of a first heat dissipation cavity are formed in two sides of the lamp cup at the top of the mounting box and are arranged in the lamp shade, a top layer blade channel of each shutter is isolated from the inner space of the mounting box through a partition and is communicated with the ventilation openings, a first air blower, a second air blower and a third air blower are arranged at the top of the mounting box, air outlets of the first air blower and the second air blower extend into the lamp shade to be aligned with an upper end molybdenum sheet of the platinum bulb, the side edges of the air outlets of the first air blower and the second air blower are respectively provided with an L-shaped air outlet, and the air outlet of the third air blower extends into the mounting box from one side of the bottom of the mounting box and is aligned with the molybdenum sheet at the lower end of the platinum bulb;
a first heat dissipation cavity is formed by the interior of the lampshade and the inner cavity of the lamp cup, and a first air duct for dissipating heat and exhausting air to the first heat dissipation cavity is formed by the ventilation openings on the two sides of the lamp cup and the top layer blade channel of the shutter;
the inner space of the mounting box forms a second heat dissipation cavity, the second heat dissipation cavity is not communicated with the first heat dissipation cavity, and the blade channels of the louver except the top blade channel form a second air channel for dissipating heat and discharging air to the second heat dissipation cavity.
In the utility model, the inner cavities of the lamp shade and the lamp cup form a first heat dissipation cavity, the air outlets of the first air blower and the second air blower perform air outlet heat dissipation on the upper molybdenum sheet of the platinum bulb from two sides, and meanwhile, the utility model discloses set up L-shaped air outlets at the sides of the air outlets of the first air blower and the second air blower, the wind of the L-shaped air outlets blows to the ball bulb of the platinum bulb along the inner surface of the lamp cup, thereby enhancing the heat dissipation effect, and the hot air in the heat dissipation space is discharged to the external environment from the first air channel; the inner space of the mounting box is a second heat dissipation cavity, an air outlet nozzle of a third air blower aims at a molybdenum sheet at the lower end of the platinum bulb in the mounting box for air outlet heat dissipation, and hot air flows out of a second air duct to the external environment; and the utility model provides a first heat dissipation chamber does not communicate with each other with second heat dissipation chamber, can not influence respective air-out direction and wind channel, and the radiating effect is good.
Further, the first air blower and the second air blower are symmetrically arranged on two sides of the lampshade.
Further, the L-shaped air outlet of the first air blower and the L-shaped air outlet of the second air blower are arranged in opposite directions. The air of the two L-shaped air outlets in opposite directions forms a circulating air duct along the inner surface of the lamp cup to blow to the bulb of the platinum bulb, so that the heat on the inner surface of the lamp cup is taken away quickly, the heat dissipation of the bulb of the platinum bulb is enhanced, and the phenomenon that the service life of the platinum bulb is influenced by excessive heat accumulation in the lamp cup is avoided.
Furthermore, a heat insulation sheet is arranged in the middle of the top of the lampshade. During the heat dissipation, the heat shield is used for insulating against heat hot-blast, sets up the heat shield and avoids the hot-blast high temperature that blows off, improves the security of using.
Further, mounting openings are formed in two sides of the lampshade, and air outlets of the first air blower and the second air blower extend into the lampshade through the mounting openings in the two sides of the lampshade respectively.
Further, a notch is formed in one side of the bottom of the mounting box, and an air outlet nozzle of the third air blower extends into the mounting box through the notch.
Furthermore, the air outlet nozzle of the third air blower is arranged on the symmetrical center line of the two shutters, so that the internal wind direction of the mounting box is divided and is quickly discharged to the shutters on two sides respectively.
Further, the top both sides of mounting box are equipped with the installing support, are used for with the utility model discloses a heat abstractor installs on equipment.
Further, the blades of the shutter are in a step shape and gradually retract inwards from one side close to the top of the mounting box.
Further, the bottom of the mounting box is provided with a bottom cover, and the bottom cover is mounted at the bottom of the mounting box through a bolt. The bottom cover can be opened, and the platinum bulb in the mounting box can be replaced.
The utility model has the advantages that:
the utility model uses the first and the second air blowers to perform air-out heat dissipation to the molybdenum sheet at the upper end of the platinum bulb; performing air-out heat dissipation on a molybdenum sheet at the lower end of the platinum bulb through a third air blower; and the side edges of the air outlets of the first air blower and the second air blower are provided with L-shaped air outlets, and the air at the L-shaped air outlets forms a circulating air channel along the inner surface of the lamp cup and blows towards the bulb of the platinum bulb, so that the heat on the inner surface of the lamp cup is quickly taken away, and the heat dissipation of the bulb of the platinum bulb is enhanced. The utility model discloses a radiating effect is good, can effectively take away the heat of gathering in the lamp cup, prolongs the life of bulb.
Drawings
FIG. 1 is a schematic structural diagram of a heat dissipation device;
FIG. 2 is another angular schematic view of FIG. 1;
FIG. 3 is a schematic top view of the heat sink with the cover removed;
FIG. 4 is another angular schematic of FIG. 3;
FIG. 5 is a schematic structural view of the heat sink with the bottom of the mounting box removed;
FIG. 6 is a schematic view of the structure of the air outlet of the first blower or the second blower;
FIG. 7 is a schematic view of a lamp housing;
FIG. 8 is a schematic view of the internal structure of the heat dissipation device;
in the figure: the air conditioner comprises a mounting box 1, a lamp cup 2, a platinum bulb 3, a lamp shade 4, a first air blower 5, a second air blower 6, a third air blower 7, a shutter 8, a mounting port 9, an L-shaped air outlet 10, a ventilation opening 11, a notch 12, a heat insulation sheet 13, a mounting support 14, a bottom cover 15, a spacer 16 and a top layer blade channel 17.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1-8, a heat dissipation device for a moving head lamp comprises a mounting box 1, a mounting hole is formed in the middle of the mounting box 1, a lamp cup 2 is fixed in the mounting hole through a screw, a platinum bulb 3 is fixedly mounted in the lamp cup 2, a lampshade 4 is arranged on the top surface of the mounting box, the lampshade 4 covers the lamp cup 2, louvers 8 for heat dissipation are symmetrically arranged on two sides of the bottom of the mounting box 1, blades of the louvers 8 are in a step shape and gradually retract from one side close to the top of the mounting box 1 to the inside, ventilation openings 11 for heat dissipation of a first heat dissipation cavity are formed in two sides of the lamp cup 2 on the top of the mounting box 1, the ventilation openings 11 are arranged in the lampshade 4, and a top-layer blade channel of the louvers 8 is isolated from the inner space of the mounting box 1 through a partition 16 and communicated with the ventilation; the top surface of the mounting box 1 is provided with a first air blower 5, a second air blower 6 and a third air blower 7, the first air blower 5 and the second air blower 6 are symmetrically arranged at two sides of the lampshade 4, mounting openings 9 are formed at two sides of the lampshade 4, air outlet nozzles of the first air blower 5 and the second air blower 6 respectively extend into the lampshade 4 through the mounting openings 9 at two sides of the lampshade 4 and are aligned with molybdenum sheets at the upper end of the platinum bulb 3, L-shaped air outlets 10 are respectively arranged at the side edges of the air outlet nozzles of the first air blower 5 and the second air blower 6, and the arrangement directions of the L-shaped air outlets 10 of the first air blower 5 and the L-shaped air outlets 10 of the second air blower 6 are opposite; a notch 12 is formed in one side of the bottom of the mounting box 1, and an air outlet nozzle of the third air blower 7 extends into the mounting box 1 through the notch 12 and is aligned with a molybdenum sheet at the lower end of the platinum bulb 3;
a first heat dissipation cavity is formed by the inner part of the lampshade 4 and the inner cavity of the lamp cup 2, and a first air duct for dissipating heat and exhausting air to the first heat dissipation cavity is formed by the ventilation openings 11 at the two sides of the lamp cup 2 and the top layer blade channel 17 of the shutter 8;
the inner space of the mounting box 1 forms a second heat dissipation cavity, the second heat dissipation cavity is not communicated with the first heat dissipation cavity, and the louver 8 except the top blade channel 17 forms a second air duct for dissipating heat and discharging air to the second heat dissipation cavity.
In this embodiment, the L-shaped air outlet 10 of the first air blower 5 and the L-shaped air outlet 10 of the second air blower 6 are arranged in opposite directions, a circulation air duct is formed on the surface of the inner cavity of the lamp cup 2, and the air at the L-shaped air outlet 10 is blown to the bulb of the platinum bulb 3 along the inner surface of the lamp cup 2 to exhaust the blown hot air from the first air duct, so that not only is the heat on the inner surface of the lamp cup 2 taken away quickly, but also the heat dissipation of the bulb of the platinum bulb 3 is enhanced, and the service life of the platinum bulb 3 is prevented from being affected by excessive heat accumulation in the lamp cup 2.
Referring to fig. 1, in the present embodiment, a heat insulating sheet 13 is disposed in the middle of the top of the lampshade 4. During heat dissipation, the heat insulation sheet 13 is used for insulating heat to hot air, and the heat insulation sheet 13 is arranged to avoid the temperature of the hot air blown out from being too high, so that the use safety is improved.
Referring to fig. 5, in the present embodiment, the air outlet of the third blower 7 is disposed on the symmetric center line of the two louvers 8, so that the internal air direction of the mounting box 1 is divided and is rapidly discharged to the louvers 8 on the two sides, respectively.
In this embodiment, the top both sides of the mounting box 1 are provided with mounting brackets 14 for mounting the heat dissipation device of the present invention on a mobile device or a fixed device.
In the present embodiment, the bottom of the mounting box 1 is provided with a bottom cover 15, and the bottom cover 15 is mounted on the bottom of the mounting box 1 by bolts. The bottom cover 15 can be opened to replace the platinum bulb 3 in the mounting box 1.
Referring to fig. 8 (the arrow in the figure shows the air outlet direction), the utility model has the following use principle:
the lampshade 4 and the inner cavity of the lamp cup 2 form a first heat dissipation cavity, the air outlets of the first air blower 5 and the second air blower 6 are used for conducting air outlet heat dissipation on the molybdenum sheet at the upper end of the platinum bulb 3 from two sides, and meanwhile, the utility model discloses an L-shaped air outlet 10 is arranged at the side edge of the air outlets of the first air blower 5 and the second air blower 6, the wind of the L-shaped air outlet 10 is blown to the bulb of the platinum bulb 3 along the inner surface of the lamp cup 2, the heat dissipation effect is enhanced, and the hot wind in the heat dissipation space flows into a first air channel from the vents 11 at two sides of the lamp cup 2 and is discharged to the external environment through the first air channel; the inner space of the mounting box 1 is a second heat dissipation cavity, an air outlet nozzle of a third air blower 7 aims at a molybdenum sheet at the lower end of the platinum bulb 3 in the mounting box 1 to perform air outlet heat dissipation, and hot air flows out of a second air channel formed by louver 8 at two sides of the bottom of the mounting box 1 except a top layer blade channel 17 to an external environment; and the utility model provides a first heat dissipation chamber does not communicate with each other with second heat dissipation chamber, can not influence respective air-out direction and wind channel, and the radiating effect is good.
The utility model uses the first blower 5 and the second blower 6 to perform air-out heat dissipation on the molybdenum sheet at the upper end of the platinum bulb 3; the molybdenum sheet at the lower end of the platinum bulb 3 is subjected to air-out heat dissipation through a third air blower 7; and the side edges of the air outlets of the first air blower 5 and the second air blower 6 are provided with L-shaped air outlets 10, and the air of the L-shaped air outlets 10 forms a circulating air duct along the inner surface of the lamp cup 2 and blows towards the bulb of the platinum bulb 3, so that the heat on the inner surface of the lamp cup 2 is quickly taken away, and the heat dissipation of the bulb of the platinum bulb 3 is enhanced. The utility model discloses a radiating effect is good, can effectively take away the heat of gathering in the lamp cup, prolongs the life of bulb.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A heat dissipation device for a moving head lamp is characterized by comprising a mounting box, wherein a mounting hole is formed in the middle of the mounting box, a lamp cup is arranged in the mounting hole, a platinum bulb is mounted in the lamp cup, a lamp shade is arranged at the top of the mounting box and covers the lamp cup, shutters are symmetrically arranged on two sides of the bottom of the mounting box, ventilation openings for dissipating heat of a first heat dissipation cavity are formed in two sides of the lamp cup at the top of the mounting box, the ventilation openings are arranged in the lamp shade, a top layer blade channel of each shutter is isolated from the inner space of the mounting box through a partition and communicated with the ventilation openings, a first air blower, a second air blower and a third air blower are arranged at the top of the mounting box, air outlets of the first air blower and the second air blower extend into the lamp shade to be aligned with molybdenum sheets at the upper ends of the platinum bulb, the side edges of the air outlets of the first air blower and the second air blower are respectively provided with an L-shaped air outlet, and the air outlet of the third air blower extends into the mounting box from one side of the bottom of the mounting box and is aligned with the molybdenum sheet at the lower end of the platinum bulb;
a first heat dissipation cavity is formed by the interior of the lampshade and the inner cavity of the lamp cup, and a first air duct for dissipating heat and exhausting air to the first heat dissipation cavity is formed by the ventilation openings on the two sides of the lamp cup and the top layer blade channel of the shutter;
the inner space of the mounting box forms a second heat dissipation cavity, the second heat dissipation cavity is not communicated with the first heat dissipation cavity, and the blade channels of the louver except the top blade channel form a second air channel for dissipating heat and discharging air to the second heat dissipation cavity.
2. A heat sink for moving head light according to claim 1, wherein said first blower and said second blower are symmetrically disposed on both sides of said lamp housing.
3. A heat sink for moving head light according to claim 2, wherein the L-shaped air outlets of the first and second air blowers are arranged in opposite directions.
4. A heat sink for moving head light according to claim 1, wherein a heat insulating sheet is provided in the middle of the top of said lamp housing.
5. The heat dissipation device for a moving head lamp according to claim 1, wherein mounting openings are formed in two sides of the lamp housing, and the air outlets of the first air blower and the second air blower extend into the lamp housing through the mounting openings in the two sides of the lamp housing respectively.
6. The heat dissipation device for moving head light according to claim 1, wherein a notch is formed in one side of the bottom of the mounting box, and the air outlet nozzle of the third blower extends into the mounting box through the notch.
7. A heat sink for moving head light according to claim 1, wherein the outlet of said third blower is placed on the center line of symmetry of two of said louvers.
8. A heat sink for moving head light according to claim 1, wherein the top of the mounting box is provided with mounting brackets on both sides.
9. A heat sink for a moving head light according to claim 1, wherein the blades of said louver are stepped to retract inwardly from a side near the top of said mounting box.
10. A heat sink for moving head light according to claim 1, wherein the bottom of the mounting box is provided with a bottom cover, and the bottom cover is mounted on the bottom of the mounting box by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021250275.8U CN212481212U (en) | 2020-06-30 | 2020-06-30 | Heat dissipation device for moving head lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021250275.8U CN212481212U (en) | 2020-06-30 | 2020-06-30 | Heat dissipation device for moving head lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212481212U true CN212481212U (en) | 2021-02-05 |
Family
ID=74456391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021250275.8U Active CN212481212U (en) | 2020-06-30 | 2020-06-30 | Heat dissipation device for moving head lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212481212U (en) |
-
2020
- 2020-06-30 CN CN202021250275.8U patent/CN212481212U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206163922U (en) | Automatic heat dissipation outdoor cabinet | |
| WO2018090357A1 (en) | Led heat dissipation structure and led lamp containing same | |
| CN206572277U (en) | A kind of street illumination LED lamp structure | |
| CN105658026B (en) | A kind of electric terminal | |
| CN206478609U (en) | A kind of stage lighting cooling system of high efficiency shunting | |
| CN212481212U (en) | Heat dissipation device for moving head lamp | |
| CN203810590U (en) | Air conditioning electric control box cooling device and air conditioning comprising same | |
| WO2021063312A1 (en) | Lighting device and vehicle | |
| CN211019105U (en) | Switch with dustproof function of heat dissipation | |
| CN211701150U (en) | Low-voltage draw-out type switch cabinet capable of improving temperature stability | |
| CN114570625B (en) | Cooling mechanism for curing machine, curing machine and curing production line | |
| CN210891905U (en) | Air conditioner | |
| CN210687958U (en) | Heat dissipation formula LED ceiling lamp | |
| CN218102506U (en) | Electromagnetic interference resistant high-heat-dissipation fire-resistant bus duct | |
| CN211925507U (en) | High-power stage lamp with efficient heat dissipation function | |
| CN217635286U (en) | LED ceiling lamp with heat dissipation function | |
| CN213092274U (en) | Radiator for notebook | |
| CN215520634U (en) | Electric oven door body | |
| CN212481213U (en) | Heat dissipation device for stage lamp | |
| CN217540506U (en) | Stage lamp with dual radiators | |
| CN217004387U (en) | Heat dissipation aluminum material for LED lamp | |
| CN109405235A (en) | Electrical apparatus box and air conditioner | |
| CN220624161U (en) | Warmer | |
| CN211212686U (en) | Power board subassembly and cooking utensil | |
| CN210179389U (en) | Cooling system and stage lamp with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heat dissipation device for shaking head lamp Effective date of registration: 20220419 Granted publication date: 20210205 Pledgee: Agricultural Bank of China Limited Guangzhou green finance reform and innovation pilot zone Huadu Branch Pledgor: Guangzhou Mingdao Culture Technology Group Co.,Ltd. Registration number: Y2022980004465 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231031 Granted publication date: 20210205 Pledgee: Agricultural Bank of China Limited Guangzhou green finance reform and innovation pilot zone Huadu Branch Pledgor: Guangzhou Mingdao Culture Technology Group Co.,Ltd. Registration number: Y2022980004465 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heat dissipation device for shaking head lamps Effective date of registration: 20231115 Granted publication date: 20210205 Pledgee: Societe Generale Bank Limited by Share Ltd. Guangzhou branch Pledgor: Guangzhou Mingdao Culture Technology Group Co.,Ltd. Registration number: Y2023980065759 |