CN212033569U - Electric protection device - Google Patents
Electric protection device Download PDFInfo
- Publication number
- CN212033569U CN212033569U CN202020642655.XU CN202020642655U CN212033569U CN 212033569 U CN212033569 U CN 212033569U CN 202020642655 U CN202020642655 U CN 202020642655U CN 212033569 U CN212033569 U CN 212033569U
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- Prior art keywords
- heat dissipation
- chain wheel
- power distribution
- cabinet
- bottom plate
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 56
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model relates to an electrical protection device relates to electric power safety's technical field. The heat dissipation device comprises a base, a protective shell, a power distribution cabinet bottom plate, a heat dissipation device and a heat dissipation reciprocating device; the heat dissipation device comprises a heat dissipation bottom plate and a heat dissipation vertical plate, wherein a motor, a driving chain wheel and a driven chain wheel are fixedly arranged on the heat dissipation bottom plate, the driving chain wheel drives the driven chain wheel to rotate through a chain, and only one driving chain wheel and only one driven chain wheel are arranged; the heat dissipation reciprocating device comprises an upper sliding rod, a lower sliding rod, a limiting plate, a supporting block and a sliding rail, wherein the supporting block, the sliding rail, the limiting plate and a power distribution cabinet bottom plate are arranged on the limiting plate, a vertically-arranged limiting groove is formed in the limiting plate, one end of the upper sliding rod and one end of the lower sliding rod are located in the limiting groove, and the other end of the upper sliding rod and the lower. The utility model discloses alleviate motor and drive sprocket's work load, increased the utility model discloses a life.
Description
Technical Field
The utility model belongs to the technical field of electric power safety's technique and specifically relates to an electrical protection device is related to.
Background
At present, the electricity on the market is controlled and is distributed through the switch board, and the switch board can say that the most important core when using, but the switch board is in the use, high temperature and high fever, takes place electric accident such as short circuit moreover easily, because protection device does not in place, in case the emergence accident causes very big loss easily.
In view of the above technical problems, a utility model entitled "an electrical protection device (publication number: CN 209046084U)" discloses an electrical protection device, which comprises a protective housing, a haloalkane fire extinguisher, a driving motor, a heat dissipation device, a damping spring, a pressure spring and other structures.
However, since the heat sink of the electrical protection device is mounted on the top of the protective case and the fan is driven to swing back and forth by the engagement of the motor and the gear, the heat sink of the electrical protection device has a short service life and is prone to malfunction, and therefore, there is a need for improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric protection device, it is longer to have a life, advantage that the fault rate is low to prior art exists not enough.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an electrical protection device comprises a base and a protective shell, wherein a power distribution cabinet bottom plate is arranged at one end of the base, and a power distribution cabinet is arranged on the power distribution cabinet bottom plate; the other end of the base is provided with a heat dissipation device for helping the power distribution cabinet to dissipate heat and a heat dissipation reciprocating device for enabling the heat dissipation plate to do reciprocating motion;
the heat dissipation device comprises a heat dissipation bottom plate and a heat dissipation vertical plate arranged on the heat dissipation bottom plate, a plurality of fans facing the power distribution cabinet are arranged on the heat dissipation vertical plate, a motor, a driving chain wheel and a driven chain wheel are fixedly arranged on the heat dissipation bottom plate, the center distance between the driving chain wheel and the driven chain wheel is not more than the length of the power distribution cabinet, the output end of the motor is connected with the driving chain wheel, the driving chain wheel drives the driven chain wheel to rotate through a chain, and only one of the driving chain wheel and the driven chain wheel is arranged;
the heat dissipation reciprocating device comprises an upper sliding rod, a lower sliding rod, a limiting plate located on the side portion of a heat dissipation bottom plate, a supporting block installed at the other end of the base and a sliding rail arranged on the base, the supporting block, the sliding rail, the limiting plate and a power distribution cabinet bottom plate are sequentially arranged on the base from left to right and are all installed inside a protective shell, a limiting groove vertically arranged is formed in the limiting plate, one end of the upper sliding rod and the lower sliding rod is located in the limiting groove, the other end of the upper sliding rod and the lower sliding rod is fixedly installed on a chain, one end of the bottom of the heat dissipation bottom plate is placed on.
By adopting the technical scheme, the utility model discloses make heat abstractor make reciprocating motion back and forth on the base, and its principle that the distance that heat abstractor moved in the frame at every turn equals is:
the motor drives drive sprocket pivoted in-process, drive sprocket and driven sprocket rotate along an orientation (clockwise or anticlockwise) all the time, and simultaneously, drive sprocket and driven sprocket are at the pivoted in-process, the chain of being connected with drive sprocket and driven sprocket can have along clockwise or anticlockwise motion's trend, but because the upper and lower slide bar of fixedly connected with on the chain, and the tip of upper and lower slide bar is located the spacing inslot, thereby make the position that chain and upper and lower slide bar are connected (including upper and lower slide bar) can only be the elevating movement on vertical direction, and can not be along the horizontal direction to make a round trip reciprocating motion, and then make drive sprocket and driven sprocket can only drive heat abstractor and make a round trip reciprocating motion on the base, because the length of chain is certain, so the distance that heat abstractor moved on the base equals.
According to the above description, the utility model discloses mainly realize heat abstractor's reciprocating motion through the chain drive, can adapt to the high temperature environment that the switch board was located, and do not need often to add lubricating oil, this application only needs driving motor to drive sprocket and driven sprocket along a direction motion, has alleviateed motor and drive sprocket's work load, has increased life, the cost is reduced.
The utility model discloses can further configure into in a preferred example, the switch board comprises resistor cabinet, transformer cabinet and reactor cabinet, and the output of transformer cabinet is connected with the input of resistor cabinet, and the output of resistor cabinet is connected with the input of reactor cabinet, and the output of reactor cabinet is connected with the input of transformer cabinet.
By adopting the technical scheme, the utility model discloses a fall into resistor cabinet, transformer cabinet and reactor cabinet with the switch board, and then convenient transport and the transportation to the switch board. Meanwhile, it should be noted that the manner of dividing the power distribution cabinet into a resistor cabinet, a transformer cabinet and a reactor cabinet belongs to the prior art.
The utility model discloses can further configure to in a preferred example, all install the shutter on the casing of resistor cabinet and the casing of reactor cabinet.
Through adopting above-mentioned technical scheme, people can observe resistor cabinet and reactor cabinet through the shutter, and then make the utility model discloses higher practicality has.
The utility model discloses can further configure to in a preferred example, a plurality of telescopic links are all installed to the front end of switch board bottom plate and the rear end of switch board bottom plate, and damping spring has all been cup jointed to the tip of every telescopic link.
Through adopting the technical scheme, the utility model discloses a telescopic link and damping spring can carry out the protection of taking precautions against earthquakes to the switch board to further prevent in the transportation that the switch board damages.
The utility model discloses can further configure to in a preferred example, base mid-mounting has two backup pads, and rotatable being connected with the axis of rotation between two backup pads, the cover is equipped with two sliding blocks in the axis of rotation, is connected with pressure spring between two sliding blocks, and equal rotatable the installing connecting rod on every sliding block, the empty remainder of every connecting rod all articulates there is the fixed block that is fixed in the bottom plate of switch board.
Through adopting the technical scheme, the utility model discloses an above-mentioned backup pad and compression spring isotructure can further prevent that the switch board from damaging in the transportation.
The utility model discloses can further configure to in a preferred example, two fixed blocks are symmetrical arrangement along the central line of switch board bottom plate, and two sliding blocks are symmetrical arrangement also along the central line of switch board bottom plate. Symmetrical arrangement can make the utility model discloses a structure is more reasonable, and then further prevents that the switch board from damaging in the transportation.
Through adopting the technical scheme, the utility model discloses can further configure into in a preferred example, still install on the protective housing and correspond the switch board slide rail with the width of switch board bottom plate.
Through adopting above-mentioned technical scheme, the switch board slide rail can prevent that the switch board bottom plate from appearing rocking when being oscilaltion motion to what make the transportation in the switch board place is more steady, and then further prevents the transportation in the switch board damage.
The utility model discloses can further configure to in a preferred example, centre-to-centre spacing between drive sprocket and the driven sprocket is 1/4 of the length of switch board.
During actual work, the center distance between the driving chain wheel and the driven chain wheel can be 1/5 to 1/3 of the length of the power distribution cabinet. During actual work, the center distance between the driving chain wheel and the driven chain wheel is 1/4 of the length of the power distribution cabinet, and the total length of the chain is preferably 3/5 of the length of the power distribution cabinet to be optimal.
The present invention may be further configured in a preferred example, wherein a plurality of ventilation openings for ventilation are provided on the protective case.
Through adopting above-mentioned technical scheme, the vent can be favorable to ventilating, can further dispel the heat.
The utility model discloses can further configure to in a preferred example, the upper end both sides of chain are connected with drive sprocket and driven sprocket respectively, and the length of the lower extreme of chain is greater than the centre-to-centre spacing between drive sprocket and the driven sprocket. In practice, the overall length of the chain is preferably 1/2 to 3/4 of the length of the switch board, and the overall length of the chain is preferably 3/5 of the length of the switch board.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses a motor, drive sprocket and driven sprocket drive heat dissipation reciprocating device on the base back-and-forth movement, not only can drive the fan and do the back-and-forth movement to realized the heat dissipation to the switch board, motor and drive sprocket all only need move along a direction in the during operation moreover, have lightened motor and drive sprocket's work load, have increased the utility model discloses a life;
2. in the transportation process or when vibration is generated, the bottom plate of the power distribution cabinet is pressed downwards, so that the sliding blocks connected with the connecting rods mutually extrude the pressure springs through the fixing rods to play a role in vibration reduction, and meanwhile, the telescopic rods and the vibration reduction springs also play a certain role in vibration reduction to reduce the influence of the vibration on the electric power distribution cabinet;
3. the utility model discloses a chain and sprocket (driving sprocket and driven sprocket) realize reciprocating motion, and it is lower than the cost that uses gear engagement's mode to realize reciprocating motion among the prior art, and it is more convenient to overhaul.
Drawings
Fig. 1 is a schematic structural view along a top view direction of the present invention;
FIG. 2 is a schematic structural diagram of a heat dissipating vertical plate and a heat dissipating reciprocating device;
fig. 3 is the utility model discloses well switch board shock attenuation protective structure's schematic structure.
Reference numerals: 1. a base; 2. a protective shell; 3. a power distribution cabinet bottom plate; 4. the heat dissipation device comprises a heat dissipation device 41, a heat dissipation bottom plate 42, a heat dissipation vertical plate 43, a fan 44, a motor 45, a driving chain wheel 46, a driven chain wheel 47 and a chain; 5. the heat dissipation reciprocating device comprises a heat dissipation reciprocating device 51, an upper sliding rod, a lower sliding rod, a 52, a limiting plate 53, a supporting block 54, a sliding rail 55, a limiting groove 56 and a roller; 6. a power distribution cabinet 61, a resistor cabinet 62, a transformer cabinet 63, a reactor cabinet 64 and a shutter; 71. the device comprises a telescopic rod 72, a damping spring 73, a supporting plate 74, a rotating shaft 75, a sliding block 76, a pressure spring 77, a connecting rod 78, a fixing block 79 and a power distribution cabinet slide rail; 8. and a vent.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the structure schematic diagram of the utility model along the overlooking direction of the utility model provides an electrical protection device, which comprises a base 1 and a protective shell 2, wherein one end of the base 1 is provided with a power distribution cabinet bottom plate 3, and a power distribution cabinet 6 is arranged on the power distribution cabinet bottom plate 3; the other end of the base 1 is provided with a heat dissipation device 4 for helping a power distribution cabinet 6 to dissipate heat and a heat dissipation reciprocating device 5 for enabling the heat dissipation plate to do reciprocating motion;
the heat dissipation device 4 comprises a heat dissipation bottom plate 41 and a heat dissipation vertical plate 42 arranged on the heat dissipation bottom plate 41, a plurality of fans 43 facing the power distribution cabinet 6 are arranged on the heat dissipation vertical plate 42, a motor 44, a driving sprocket 45 and a driven sprocket 46 are fixedly arranged on the heat dissipation bottom plate 41, the center distance between the driving sprocket 45 and the driven sprocket 46 is not more than the length of the power distribution cabinet 6, the output end of the motor 44 is connected with the driving sprocket 45, the driving sprocket 45 drives the driven sprocket 46 to rotate through a chain 47, and only one of the driving sprocket 45 and the driven sprocket 46 is arranged;
the heat dissipation reciprocating device 5 comprises an upper sliding rod 51, a lower sliding rod 51, a limiting plate 52 located on the side portion of the heat dissipation bottom plate 41, a supporting block 53 installed at the other end of the base 1, and a sliding rail 54 arranged on the base 1, the supporting block 53, the sliding rail 54, the limiting plate 52 and the power distribution cabinet bottom plate 3 are sequentially arranged on the base 1 from left to right, and are all installed inside the protective shell 2, a limiting groove 55 vertically arranged is formed in the limiting plate 52, one end of the upper sliding rod 51 and the lower sliding rod 51 is located in the limiting groove 55, the other end of the upper sliding rod is fixedly installed on the chain 47, one end of the bottom of the heat dissipation bottom plate.
During actual operation, the power distribution cabinet 6 is composed of a resistor cabinet 61, a transformer cabinet 62 and a reactor cabinet 63, wherein an output end of the transformer cabinet 62 is connected with an input end of the resistor cabinet 61, an output end of the resistor cabinet 61 is connected with an input end of the transformer cabinet 63, and an output end of the transformer cabinet 63 is connected with an input end of the transformer cabinet 62.
During actual operation, the shutters 64 are mounted on the casing of the resistor cabinet 61 and the casing of the reactor cabinet 63, and the telescopic rod 71, the damping springs 72, the support plate 73, the rotating shaft 74, the sliding block 75, the pressure spring 76, the connecting rod 77, the fixing block 78 and the power distribution cabinet slide rail 79 can be collectively referred to as a power distribution cabinet damping protection structure.
During actual operation, a plurality of telescopic links 71 are all installed to the front end of switch board bottom plate 3 and the rear end of switch board bottom plate 3, and damping spring 72 has all been cup jointed to the tip of every telescopic link 71.
During actual operation, base 1 mid-mounting has two backup pads 73, and rotatable being connected with axis of rotation 74 between two backup pads 73, and the cover is equipped with two sliding blocks 75 on the axis of rotation 74, is connected with pressure spring 76 between two sliding blocks 75, and equal rotatable installation connecting rod 77 on every sliding block 75, the vacant end of every connecting rod 77 all articulates there is the fixed block 78 that is fixed in switch board bottom plate 3 bottom.
During actual operation, the two fixing blocks 78 are symmetrically arranged along the center line of the power distribution cabinet bottom plate 3, and the two sliding blocks 75 are also symmetrically arranged along the center line of the power distribution cabinet bottom plate 3.
During actual operation, still install on the protective housing 2 and correspond switch board slide rail 79 with the width of switch board bottom plate 3.
In actual operation, the center distance between the driving sprocket 45 and the driven sprocket 46 is 1/4 of the length of the power distribution cabinet 6.
In actual operation, a plurality of ventilation openings 8 for ventilation are formed in the protective shell 2.
In actual operation, two sides of the upper end of the chain 47 are respectively connected with the driving sprocket 45 and the driven sprocket 46, and the length of the lower end of the chain 47 is larger than the center distance between the driving sprocket 45 and the driven sprocket 46.
In actual work, resistor cabinet 61, transformer cabinet 62 and reactor cabinet 63 are prior art, the utility model discloses mainly establish ties current resistor cabinet 61, transformer cabinet 62 and reactor cabinet 63 to through setting up shutter 64 in order to make things convenient for observation and maintenance.
The implementation principle of the above embodiment is as follows: the switch board can produce a large amount of heats in long-term use, and a large amount of heats can not get timely giving off and may cause the electrical accident, and people can drive sprocket and driven sprocket through the motor and rotate, and then make heat abstractor 4 be reciprocating motion around on the base, and heat abstractor 4 can help the heat dissipation of switch board when being reciprocating motion around. When the in-process at the transportation switch board or when producing the vibration, switch board bottom plate 3 pushes down, makes connecting rod 77 on the fixed block 78 push down, propagates the vibrational force, and the sliding block 75 of connecting is pressing pressure spring 76 each other through axis of rotation 74, plays the effect of damping, and telescopic link 71 and damping spring 72 also scatter the vibrational force downwards simultaneously, have played certain damping effect, have reduced the influence of vibration to switch board 6.
In practical operation, the utility model discloses make heat abstractor do reciprocating motion's its principle on the base and do:
in the process that the motor 44 drives the driving sprocket 45 to rotate, the driving sprocket 45 and the driven sprocket 46 always rotate along one direction (clockwise or counterclockwise), and meanwhile, in the process that the driving sprocket 45 and the driven sprocket 46 rotate, the chain 47 connected with the driving sprocket 45 and the driven sprocket 46 tends to move clockwise or counterclockwise, but because the chain 47 is fixedly connected with the upper and lower sliding rods 51, and the end parts of the upper and lower sliding rods 51 are located in the limiting groove 55, the limiting groove 55 enables the parts (including the upper and lower sliding rods 51) where the chain 47 is connected with the upper and lower sliding rods 51 to only do lifting motion in the vertical direction, but not to do reciprocating motion back and forth in the horizontal direction, so that the driving sprocket 45 and the driven sprocket 46 can only drive the heat dissipation device 4 to do reciprocating motion back and forth on the base 1, and further, because the length of the chain 47 is fixed, so the moving distances of the heat dissipation device on the base are equal.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. An electrical protection device comprises a base (1) and a protective shell (2), wherein a power distribution cabinet bottom plate (3) is arranged at one end of the base (1), and a power distribution cabinet (6) is installed on the power distribution cabinet bottom plate (3); the method is characterized in that: the other end of the base (1) is provided with a heat dissipation device (4) for helping the power distribution cabinet (6) to dissipate heat and a heat dissipation reciprocating device (5) for enabling the heat dissipation device (4) to reciprocate;
the heat dissipation device (4) comprises a heat dissipation base plate (41) and a heat dissipation vertical plate (42) installed on the heat dissipation base plate (41), a plurality of fans (43) facing the power distribution cabinet (6) are installed on the heat dissipation vertical plate (42), a motor (44), a driving chain wheel (45) and a driven chain wheel (46) are fixedly installed on the heat dissipation base plate (41), the center distance between the driving chain wheel (45) and the driven chain wheel (46) is not larger than the length of the power distribution cabinet (6), the output end of the motor (44) is connected with the driving chain wheel (45), the driving chain wheel (45) drives the driven chain wheel (46) to rotate through a chain (47), and the driving chain wheel (45) and the driven chain wheel (46) are both provided with one or only one;
the heat dissipation reciprocating device (5) comprises an upper sliding rod (51), a lower sliding rod (51), a limiting plate (52) located on the side portion of the heat dissipation bottom plate (41), a supporting block (53) installed at the other end of the base (1) and a sliding rail (54) arranged on the base (1), the supporting block (53), the sliding rail (54), the limiting plate (52) and the power distribution cabinet bottom plate (3) are sequentially arranged on the base (1) from left to right and are all installed inside the protective shell (2), a limiting groove (55) vertically arranged is formed in the limiting plate (52), one end of the upper sliding rod (51) and the lower sliding rod (51) is located in the limiting groove (55), the other end of the upper sliding rod and the lower sliding rod is fixedly installed on a chain (47), one end of the bottom of the heat dissipation bottom plate (41) is placed on the supporting block (.
2. An electrical protection device according to claim 1, wherein: the power distribution cabinet (6) is composed of a resistor cabinet (61), a transformer cabinet (62) and a reactor cabinet (63), the output end of the transformer cabinet (62) is connected with the input end of the resistor cabinet (61), the output end of the resistor cabinet (61) is connected with the input end of the reactor cabinet (63), and the output end of the reactor cabinet (63) is connected with the input end of the transformer cabinet (62).
3. An electrical protection device according to claim 2, wherein: and shutters (64) are mounted on the shell of the resistor cabinet (61) and the shell of the reactor cabinet (63).
4. The electrical protection device according to claim 3, characterized in that a plurality of telescopic rods (71) are mounted at the front end of the power distribution cabinet base plate (3) and the rear end of the power distribution cabinet base plate (3), and a damping spring (72) is sleeved at the end of each telescopic rod (71).
5. An electrical protection device according to claim 1 or 2 or 3 or 4, wherein: base (1) mid-mounting has two backup pads (73), and rotatable being connected with axis of rotation (74) between two backup pads (73), the cover is equipped with two sliding blocks (75) on axis of rotation (74), is connected with pressure spring (76) between two sliding blocks (75), and equal rotatable installing connecting rod (77) on every sliding block (75), the vacant end of every connecting rod (77) all articulates there is fixed block (78) that are fixed in switch board bottom plate (3) bottom.
6. An electrical protection device according to claim 5, wherein: two fixed blocks (78) are symmetrically arranged along the center line of the power distribution cabinet bottom plate (3), and two sliding blocks (75) are also symmetrically arranged along the center line of the power distribution cabinet bottom plate (3).
7. An electrical protection device according to claim 6, wherein: still install on protective housing (2) and correspond switch board slide rail (79) with the width of switch board bottom plate (3).
8. An electrical protection device according to claim 7, wherein: the center distance between the driving chain wheel (45) and the driven chain wheel (46) is 1/4 of the length of the power distribution cabinet (6).
9. An electrical protection device according to claim 8, wherein: the protective shell (2) is provided with a plurality of ventilation openings (8) for ventilation.
10. An electrical protection device according to claim 9, wherein: the two sides of the upper end of the chain (47) are respectively connected with the driving chain wheel (45) and the driven chain wheel (46), and the length of the lower end of the chain (47) is larger than the center distance between the driving chain wheel (45) and the driven chain wheel (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642655.XU CN212033569U (en) | 2020-04-24 | 2020-04-24 | Electric protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642655.XU CN212033569U (en) | 2020-04-24 | 2020-04-24 | Electric protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212033569U true CN212033569U (en) | 2020-11-27 |
Family
ID=73495670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020642655.XU Expired - Fee Related CN212033569U (en) | 2020-04-24 | 2020-04-24 | Electric protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212033569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113453490A (en) * | 2021-03-14 | 2021-09-28 | 武汉金星辰自动化设备有限公司 | Arc-shaped plate reciprocating pushing type optical module heat dissipation device |
-
2020
- 2020-04-24 CN CN202020642655.XU patent/CN212033569U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113453490A (en) * | 2021-03-14 | 2021-09-28 | 武汉金星辰自动化设备有限公司 | Arc-shaped plate reciprocating pushing type optical module heat dissipation device |
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Granted publication date: 20201127 |