CN113923936A - Power electronic module and power electronic component packaging substrate - Google Patents

Power electronic module and power electronic component packaging substrate Download PDF

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Publication number
CN113923936A
CN113923936A CN202111006955.4A CN202111006955A CN113923936A CN 113923936 A CN113923936 A CN 113923936A CN 202111006955 A CN202111006955 A CN 202111006955A CN 113923936 A CN113923936 A CN 113923936A
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China
Prior art keywords
welded
rotating rod
heat conduction
plate
power electronic
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CN202111006955.4A
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CN113923936B (en
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不公告发明人
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Anhui Zongyang Power Supply Co ltd
Tongling Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Individual
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Transmission Devices (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a power electronic module and a power electronic component packaging substrate, which consists of a packaging substrate, a heat conduction mechanism, a heat sink, a first rotating mechanism, a supporting mechanism, a second rotating mechanism and an auxiliary mechanism, wherein cooling liquid flows into a first heat conduction pipe from a water outlet pipe, passes through a second heat conduction pipe, a third heat conduction pipe and a heat conduction box, and finally returns to the cooling box from a fourth heat conduction pipe, the contact area between the second heat conduction pipe and the packaging substrate is increased by limiting the shape of the second heat conduction pipe, the heat dissipation is accelerated, a hexagonal plate rotates under the pushing action of cooling liquid in the cooling box, the rotation of the hexagonal plate drives a fourth rotating rod to rotate, the rotation of the fourth rotating rod drives a second rotating mechanism to rotate, and then a fan rotates on an X-Y plane, so that the rotating speed of the fan is improved, and the heat dissipation efficiency is improved, and the servo motor is started to drive the fan to rotate on the Y-Z plane, so that the air circulation in the first housing is accelerated, and the heat dissipation effect is improved.

Description

Power electronic module and power electronic component packaging substrate
Technical Field
The invention relates to the technical field of power electronic components, in particular to a power electronic module and a power electronic component packaging substrate.
Background
The power electronic device is also called a power semiconductor device, and is mainly used for high-power electronic devices (usually, the current is tens to thousands of amperes, and the voltage is more than hundreds of volts) in the aspects of electric energy conversion and control circuits of power equipment. The module packaging technology is an important component of power electronic system integration, directly affects the electrical performance, EMI characteristics, thermal performance and the like of the module, and is well known as a core driving force for the development of the future power electronic technology. In a power electronic integrated system, each discrete component is replaced by an integrated power electronic module, and the research on the packaging technology of the IPEM has important significance and practical value.
However, the conventional package substrate has poor heat dissipation effect, and therefore, does not meet the conventional requirements, and a power electronic module and a power electronic component package substrate are provided for the conventional package substrate.
Disclosure of Invention
The technical task of the present invention is to provide a power electronic module and a power electronic component packaging substrate to solve the above problems.
The technical scheme of the invention is realized as follows:
a power electronic module and a power electronic component packaging substrate are composed of a packaging substrate, a heat conduction mechanism, a radiating fin, a first rotating mechanism, a supporting mechanism, a second rotating mechanism and an auxiliary mechanism.
The upper surface of the packaging substrate is provided with a power electronic component, a first housing is fixedly connected to the side wall of the packaging substrate, a heat dissipation window is formed in the side wall of the first housing, a dust screen is arranged on the inner wall of the heat dissipation window, a cooling box is fixedly connected to the inner bottom of the first housing, cooling liquid is contained in the cooling box, a water pump is fixedly connected to the inner bottom of the cooling box, and a water outlet pipe is fixedly connected to the outlet end of the water pump.
Furthermore, the first housing plays a role in protection, heat in the packaging substrate is dissipated from the heat dissipation window, through the design of the dustproof net, dust is prevented from entering the first housing, and the water pump is started to enable cooling liquid in the cooling box to flow out from the water outlet pipe.
Wherein, heat conduction mechanism sets up packaging substrate' S bottom, heat conduction mechanism includes first heat pipe, the lower extreme and the outlet pipe fixed connection of first heat pipe are in the same place, the other end of first heat pipe is provided with the second heat pipe, the second heat pipe is S-shaped array arrangement, be provided with the support frame on the outer wall of second heat pipe, the clearance intussuseption between second heat pipe and the packaging substrate is filled with heat conduction silicone grease, the other end of second heat pipe is provided with the third heat pipe, the lower extreme of third heat pipe is provided with the heat conduction case, the lower extreme of heat conduction case is provided with the fourth heat pipe, the fourth heat pipe runs through the cooler bin.
Furthermore, coolant flows into the first heat conduction pipe from the water outlet pipe, passes through the second heat conduction pipe, the third heat conduction pipe and the heat conduction box, and finally returns to the cooling box from the fourth heat conduction pipe, so that the contact area between the second heat conduction pipe and the packaging substrate is increased through limitation on the shape of the second heat conduction pipe, and the heat dissipation efficiency is improved.
Wherein, the fin fixed connection is in the bottom of support frame.
The first rotating mechanism is fixedly connected to the upper surface of the cooling box and comprises a second housing, a servo motor is fixedly connected to the inner bottom of the second housing, a screw rod is fixedly connected to the outlet end of the servo motor through a coupler, a first cylindrical gear is meshed and connected to the front of the screw rod, a first rotating rod is welded to the inner wall of the first cylindrical gear and penetrates through the first cylindrical gear, the lower end of the first rotating rod is rotatably connected with the second housing through a bearing, a first conical gear is welded to the upper end of the first rotating rod, a second conical gear is meshed and connected to the side wall of the first conical gear, a third conical gear is meshed and connected to the upper end of the second conical gear, a second rotating rod is welded to the upper end of the third conical gear, and a fourth conical gear is welded to the upper end of the second rotating rod, and a fifth bevel gear is connected to the side wall of the fourth bevel gear in a meshing manner.
Furthermore, a servo motor is started to drive the screw to rotate, the rotation of the screw drives the first cylindrical gear to rotate, the rotation of the first cylindrical gear drives the first rotating rod to rotate, the rotation of the first rotating rod drives the first bevel gear to rotate, the rotation of the first bevel gear drives the second bevel gear to rotate, the rotation of the second bevel gear drives the third bevel gear to rotate, the rotation of the third bevel gear drives the second rotating rod to rotate, the rotation of the second rotating rod drives the fourth bevel gear to rotate, and the rotation of the fourth bevel gear drives the fifth bevel gear to rotate.
Wherein, supporting mechanism, fixed connection be in on the inner wall of second housing, supporting mechanism includes the H shaped plate, the back welding of H shaped plate has first backup pad, the last surface welding of first backup pad has the L shaped plate, the below of first backup pad is provided with the second backup pad, the below of second backup pad is provided with the third backup pad, the back welding of first backup pad has the F shaped plate, the welding of second backup pad is between F shaped plate and H shaped plate, the front of third backup pad is in the same place through the welding of second extension board and H shaped plate, the back of third backup pad is in the same place through the welding of first extension board and F shaped plate.
Wherein, second rotary mechanism sets up the inner chamber of first housing, second rotary mechanism includes first supporting disk, the upper end welding of first supporting disk has a pair of first otic placode, be connected with the second dead lever through the bearing rotation between a pair of first otic placode, the first linkage plate of fixedly connected with on the outer wall of second dead lever, the upper end fixedly connected with fan of first linkage plate.
Furthermore, the upper surface of the first supporting disc is used for fixing planes of the pair of first ear plates, the pair of first ear plates plays a supporting role for the second fixing rod, and the second fixing rod plays a supporting role for the first connecting plate.
Wherein, the auxiliary mechanism is arranged on the side wall of the second rotating mechanism.
Preferably, the upper surface of third backup pad is opened flutedly, first conical gear is located the recess, the welding has the strengthening rib on the lateral wall of L shaped plate, the upper surface of L shaped plate and first backup pad has all opened the second mounting hole, link together through the bearing rotation between second mounting hole and the second bull stick.
Preferably, the inner wall of the second bevel gear is rotatably connected with a first fixing rod through a bearing, support rings are welded at two ends of the first fixing rod, the second bevel gear is located in an inner cavity of the support rings, a third mounting hole is formed in the upper surface of the second support plate, and the third mounting hole is rotatably connected with the support rings through bearings.
Preferably, a third cylindrical gear is welded at the lower end of the support ring, a second cylindrical gear is connected to the side wall of the third cylindrical gear in a meshed mode, and a third rotating rod is welded on the inner wall of the second cylindrical gear.
Preferably, a fourth cylindrical gear is welded at the upper end of the third rotating rod, a fifth cylindrical gear is connected to the side wall of the fourth cylindrical gear in a meshed mode, a fifth rotating rod is welded at the upper end of the fifth cylindrical gear, the fifth rotating rod is hollow, the upper end of the fifth rotating rod is coaxially and fixedly connected with the first supporting disc, and the second rotating rod penetrates through the fifth cylindrical gear, the fifth rotating rod and the first supporting disc.
Preferably, a seventh bevel gear is welded at the lower end of the third rotating rod, a sixth bevel gear is meshed and connected to the side wall of the seventh bevel gear, a second lug plate is welded to one side wall of the first supporting plate, a third lug plate is welded to one side wall of the second supporting plate, first mounting holes are formed in the upper surfaces of the second lug plate and the third lug plate, and the first mounting holes and the third rotating rod are connected together in a rotating mode through bearings.
Preferably, the auxiliary mechanism comprises a second supporting disk, the second supporting disk is fixedly connected to the inner wall of the cooling box, a fourth rotating rod is rotatably connected to one side wall of the second supporting disk through a bearing, the fourth rotating rod penetrates through the second supporting disk and the cooling box, and one end of the fourth rotating rod is welded to the sixth conical gear.
Preferably, a hexagonal plate is welded at the other end of the fourth rotating rod, a third support plate is welded at a corner of the hexagonal plate, and movable plates are fixedly connected to the upper surfaces of the six groups of the third support plates through third fixing rods.
Preferably, the upper end of each movable plate is welded with a first T-shaped column, the outer wall of each first T-shaped column is movably connected with a second connecting plate, and the other end of each second connecting plate is movably connected with the adjacent movable plate through the corresponding first T-shaped column.
Preferably, the other side wall of the second supporting disk is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, a second T-shaped column is welded on the surface of the sliding block, a third connecting plate is movably connected to the outer wall of the second T-shaped column, and the other end of the third connecting plate is welded with the bottom of a third fixing rod.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) the coolant liquid flows into first heat-conducting pipe from the outlet pipe in, through second heat-conducting pipe, third heat-conducting pipe, heat-conducting box, gets back to the cooling box in from the fourth heat-conducting pipe at last, through the injecing to the appearance of second heat-conducting pipe, increases the area of contact between second heat-conducting pipe and the packaging substrate, dispels the heat with higher speed.
(2) Under the pushing action of cooling liquid in the cooling box, six groups of movable plates rotate, the six side plates are driven to rotate by the rotation of the movable plates, the fourth rotating rod is driven to rotate by the rotation of the sixth rotating rod, the sixth conical gear is driven to rotate by the rotation of the fourth rotating rod, the seventh conical gear is driven to rotate by the rotation of the sixth conical gear, the third rotating rod is driven to rotate by the rotation of the seventh conical gear, the fourth cylindrical gear is driven to rotate by the rotation of the fourth rotating rod, the fifth cylindrical gear is driven to rotate by the rotation of the fifth cylindrical gear, the fifth rotating rod is driven to rotate by the rotation of the fifth rotating rod, the first supporting disc is driven to rotate by the rotation of the first supporting disc on an X-Y plane, the rotating speed of the fan is increased, and the heat dissipation efficiency is increased.
(3) The servo motor is started to drive the screw to rotate, the rotation of the screw drives the first cylindrical gear to rotate, the rotation of the first cylindrical gear drives the first rotating rod to rotate, the rotation of the first rotating rod drives the first bevel gear to rotate, the rotation of the first bevel gear drives the second bevel gear to rotate by taking the first fixed rod as a center, the rotation of the second bevel gear drives the third bevel gear to rotate, the rotation of the third bevel gear drives the second rotating rod to rotate, the rotation of the second rotating rod drives the fourth bevel gear to rotate, the rotation of the fourth bevel gear drives the fifth bevel gear to rotate, the rotation of the fifth bevel gear drives the fan to rotate on the Y-Z plane, the air circulation in the first housing is accelerated, and the heat dissipation effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a power electronic module and a power electronic component package substrate according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 3 is a schematic view of the internal structure of the second housing according to the embodiment of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is a schematic perspective view of a support mechanism according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a first rotating mechanism according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a second rotating mechanism according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of an assist mechanism according to an embodiment of the present invention.
In the figure:
1. a package substrate; 2. a power electronic component; 3. a first housing;
4. a support mechanism; 41. an H-shaped plate; 42. a first support plate; 43. a second support plate; 44. a second ear panel; 45. a third ear panel; 46. a first mounting hole; 47. a second mounting hole; 48. reinforcing ribs; 49. a third mounting hole; 410. a third support plate; 411. a groove; 412. an F-shaped plate; 413. a first support plate; 414. a second support plate; 415. an L-shaped plate;
5. a second rotating mechanism; 51. a sixth bevel gear; 52. a seventh bevel gear; 53. a third rotating rod; 54. a second cylindrical gear; 55. a third cylindrical gear; 56. a fourth cylindrical gear; 57. a fifth cylindrical gear; 58. a fifth rotating rod; 59. a first support tray; 510. a pair of first ear plates; 511. a second fixing bar; 512. a first connector tile;
6. an auxiliary mechanism; 61. a fourth rotating rod; 62. a second support disc; 63. a chute; 64. a hexagonal plate; 65. a third support plate; 66. a third fixing bar; 67. a movable plate; 68. a first T-shaped post; 69. a second connector tile; 610. a third connector tile; 611. a second T-shaped post; 612. a slider;
7. a heat conducting mechanism; 71. a first heat conductive pipe; 72. a second heat conductive pipe; 73. a third heat conductive pipe; 74. a heat conducting box; 75. a fourth heat conductive pipe; 76. a support frame; 77. heat-conducting silicone grease;
8. a first rotating mechanism; 81. a second housing; 82. a servo motor; 83. a screw; 84. a first cylindrical gear; 85. a first rotating lever; 86. a first bevel gear; 87. a second bevel gear; 88. a first fixing lever; 89. a support ring; 810. a third bevel gear; 811. a second rotating rod; 812. a fourth bevel gear; 813. a fifth bevel gear;
9. a cooling tank; 10. cooling liquid; 11. a water pump; 12. a water outlet pipe; 13. a dust screen; 14. a heat sink; 15. a fan; 16. and a heat dissipation window.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The invention is further described with reference to the following figures and specific examples.
Example 1
As shown in fig. 1 to 8, a power electronic module and a power electronic component package substrate according to an embodiment of the present invention are composed of a package substrate 1, a heat conducting mechanism 7, a heat sink 14, a first rotating mechanism 8, a supporting mechanism 4, a second rotating mechanism 5, and an auxiliary mechanism 6.
The upper surface of the packaging substrate 1 is provided with a power electronic component 2, a first housing 3 is fixedly connected to the side wall of the packaging substrate 1, a heat dissipation window 16 is formed in the side wall of the first housing 3, a dust screen 13 is arranged on the inner wall of the heat dissipation window 16, a cooling box 9 is fixedly connected to the inner bottom of the first housing 3, cooling liquid 10 is contained in the cooling box 9, a water pump 11 is fixedly connected to the inner bottom of the cooling box 9, and an outlet end of the water pump 11 is fixedly connected with a water outlet pipe 12.
Furthermore, the first housing 3 plays a role in protection, heat in the package substrate 1 is dissipated from the heat dissipation window 16, through the design of the dust screen 13, dust is prevented from entering the first housing 3, and the water pump 11 is started to enable the cooling liquid 10 in the cooling tank 9 to flow out from the water outlet pipe 12.
The heat conducting mechanism 7 is disposed at the bottom of the package substrate 1, the heat conducting mechanism 7 includes a first heat conducting pipe 71, a lower end of the first heat conducting pipe 71 is fixedly connected to the water outlet pipe 12, a second heat conducting pipe 72 is disposed at another end of the first heat conducting pipe 71, the second heat conducting pipe 72 is arranged in an S-shaped array, a support frame 76 is disposed on an outer wall of the second heat conducting pipe 72, a gap between the second heat conducting pipe 72 and the package substrate 1 is filled with a heat conducting silicone grease 77, a third heat conducting pipe 73 is disposed at another end of the second heat conducting pipe 72, a heat conducting box 74 is disposed at a lower end of the third heat conducting pipe 73, a fourth heat conducting pipe 75 is disposed at a lower end of the heat conducting box 74, and the fourth heat conducting pipe 75 penetrates through the cooling box 9.
Further, the coolant 10 flows into the first heat transfer pipe 71 from the water outlet pipe 12, passes through the second heat transfer pipe 72, the third heat transfer pipe 73, and the heat transfer box 74, and finally returns to the cooling box 9 from the fourth heat transfer pipe 75, and the contact area between the second heat transfer pipe 72 and the package substrate 1 is increased by limiting the shape of the second heat transfer pipe 72, thereby improving the heat dissipation efficiency.
Wherein the heat sink 14 is fixedly connected to the bottom of the support bracket 76.
Wherein, the first rotating mechanism 8 is fixedly connected to the upper surface of the cooling box 9, the first rotating mechanism 8 comprises a second housing 81, a servo motor 82 is fixedly connected to the inner bottom of the second housing 81, an outlet end of the servo motor 82 is fixedly connected with a screw 83 through a coupler, a first cylindrical gear 84 is meshed and connected with the front surface of the screw 83, a first rotating rod 85 is welded on the inner wall of the first cylindrical gear 84, the first rotating rod 85 penetrates through the first cylindrical gear 84, the lower end of the first rotating rod 85 is rotatably connected with the second housing 81 through a bearing, a first bevel gear 86 is welded on the upper end of the first rotating rod 85, a second bevel gear 87 is meshed and connected on the side wall of the first bevel gear 86, a third bevel gear 810 is meshed and connected on the upper end of the second bevel gear 87, a second rotating rod 811 is welded on the upper end of the third bevel gear 810, a fourth bevel gear 812 is welded on the upper end of the second rotating rod 811, a fifth bevel gear 813 is engaged with a side wall of the fourth bevel gear 812.
Further, the servo motor 82 is started to drive the screw 83 to rotate, the rotation of the screw 83 drives the first cylindrical gear 84 to rotate, the rotation of the first cylindrical gear 84 drives the first rotating rod 85 to rotate, the rotation of the first rotating rod 85 drives the first bevel gear 86 to rotate, the rotation of the first bevel gear 86 drives the second bevel gear 87 to rotate, the rotation of the second bevel gear 87 drives the third bevel gear 810 to rotate, the rotation of the third bevel gear 810 drives the second rotating rod 811 to rotate, the rotation of the second rotating rod 811 drives the fourth bevel gear 812 to rotate, and the rotation of the fourth bevel gear 812 drives the fifth bevel gear 813 to rotate.
Wherein, supporting mechanism 4, fixed connection is on the inner wall of second housing 81, supporting mechanism 4 includes H shaped plate 41, the back welding of H shaped plate 41 has first backup pad 42, the last surface welding of first backup pad 42 has L shaped plate 415, the below of first backup pad 42 is provided with second backup pad 43, the below of second backup pad 43 is provided with third backup pad 410, the back welding of first backup pad 42 has F shaped plate 412, second backup pad 43 welds between F shaped plate 412 and H shaped plate 41, the front of third backup pad 410 is in the same place with H shaped plate 41 welding through second extension board 414, the back of third backup pad 410 is in the same place with F shaped plate 412 welding through first extension board 413.
The second rotating mechanism 5 is arranged in the inner cavity of the first housing 3, the second rotating mechanism 5 comprises a first supporting disc 59, a pair of first ear plates 510 is welded at the upper end of the first supporting disc 59, a second fixing rod 511 is rotatably connected between the pair of first ear plates 510 through a bearing, a first connecting plate 512 is fixedly connected to the outer wall of the second fixing rod 511, and a fan 15 is fixedly connected to the upper end of the first connecting plate 512.
Further, the upper surface of the first supporting plate 59 serves as a fixing plane for a pair of first ear plates 510, the pair of first ear plates 510 support the second fixing lever 511, and the second fixing lever 511 supports the first engaging plate 512.
Wherein the auxiliary mechanism 6 is provided on a side wall of the second rotation mechanism 5.
Example 2
On the basis of embodiment 1, please refer to fig. 3 and 5, a groove 411 is formed in the upper surface of the third support plate 410, the first bevel gear 86 is located in the groove 411, the reinforcing rib 48 is welded on the side wall of the L-shaped plate 415, the second mounting holes 47 are formed in the upper surfaces of the L-shaped plate 415 and the first support plate 42, and the second mounting holes 47 are rotatably connected with the second rotating rod 811 through bearings.
Through adopting above-mentioned technical scheme, first bull stick 85 runs through the interior bottom of third backup pad 410, and links together through the bearing rotation between first bull stick 85 and the third backup pad 410, through the design to strengthening rib 48, has improved L shaped plate 415's stability, through mutually supporting between second mounting hole 47 and the second bull stick 811, makes L shaped plate 415 and first backup pad 42 play the effect of support to second bull stick 811.
Example 3
On the basis of embodiment 1, referring to fig. 3 to 6, a first fixing rod 88 is rotatably connected to an inner wall of the second bevel gear 87 through a bearing, support rings 89 are welded to two ends of the first fixing rod 88, the second bevel gear 87 is located in an inner cavity of the support rings 89, a third mounting hole 49 is formed in an upper surface of the second support plate 43, and the third mounting hole 49 and the support rings 89 are rotatably connected together through a bearing.
Through adopting above-mentioned technical scheme, through mutually supporting between third mounting hole 49 and the support ring 89, second backup pad 43 plays the effect of support to the support ring 89, and the rotation of first conical gear 86 can drive second conical gear 87 and use first dead lever 88 as the center and rotate.
Example 4
On the basis of embodiment 3, please refer to fig. 7, the lower end of the support ring 89 is welded with a third cylindrical gear 55, the side wall of the third cylindrical gear 55 is engaged and connected with a second cylindrical gear 54, and the inner wall of the second cylindrical gear 54 is welded with a third rotating rod 53.
By adopting the above technical scheme, the rotation of the third rotating rod 53 drives the second cylindrical gear 54 to rotate, the rotation of the second cylindrical gear 54 drives the third cylindrical gear 55 to rotate, the rotation of the third cylindrical gear 55 drives the support ring 89 to rotate, and at this time, the second bevel gear 87 rotates along the outer walls of the third bevel gear 810 and the first bevel gear 86.
Example 5
On the basis of embodiment 4, please refer to fig. 3 and 7, a fourth cylindrical gear 56 is welded at an upper end of the third rotating rod 53, a fifth cylindrical gear 57 is engaged and connected to a side wall of the fourth cylindrical gear 56, a fifth rotating rod 58 is welded at an upper end of the fifth cylindrical gear 57, the fifth rotating rod 58 is hollow, an upper end of the fifth rotating rod 58 is coaxially and fixedly connected with the first supporting disk 59, and the second rotating rod 811 penetrates through the fifth cylindrical gear 57, the fifth rotating rod 58 and the first supporting disk 59.
By adopting the above technical scheme, the rotation of the third rotating rod 53 drives the fourth cylindrical gear 56 to rotate, the rotation of the fourth cylindrical gear 56 drives the fifth cylindrical gear 57 to rotate, the rotation of the fifth cylindrical gear 57 drives the fifth rotating rod 58 to rotate, the rotation of the fifth rotating rod 58 drives the first supporting disk 59 to rotate, and the rotation of the first supporting disk 59 drives the fan 15 to rotate on the X-Y plane.
Example 6
On the basis of embodiment 4, please refer to fig. 5 and 7, a seventh bevel gear 52 is welded at the lower end of the third rotating rod 53, a sixth bevel gear 51 is connected to a side wall of the seventh bevel gear 52 in a meshing manner, a second lug plate 44 is welded to a side wall of the first support plate 42, a third lug plate 45 is welded to a side wall of the second support plate 43, first mounting holes 46 are formed in upper surfaces of the second lug plate 44 and the third lug plate 45, and the first mounting holes 46 are rotatably connected with the third rotating rod 53 through bearings.
By adopting the above technical scheme, the second lug plate 44 plays a role in supporting the fourth cylindrical gear 56, the third lug plate 45 plays a role in supporting the third rotating rod 53, the rotation of the sixth conical gear 51 drives the seventh conical gear 52 to rotate, and the rotation of the seventh conical gear 52 drives the third rotating rod 53 to rotate.
Example 7
On the basis of embodiment 1, please refer to fig. 1 and 8, the auxiliary mechanism 6 includes a second support plate 62, the second support plate 62 is fixedly connected to the inner wall of the cooling tank 9, a side wall of the second support plate 62 is rotatably connected to a fourth rotating rod 61 through a bearing, the fourth rotating rod 61 penetrates through the second support plate 62 and the cooling tank 9, and one end of the fourth rotating rod 61 is welded to the sixth bevel gear 51.
Through adopting above-mentioned technical scheme, the rotation of fourth bull stick 61 drives sixth bevel gear 51 and rotates, and second supporting disk 62 plays the effect of supporting to fourth bull stick 61.
Example 8
On the basis of embodiment 7, please refer to fig. 8, a hexagonal plate 64 is welded at the other end of the fourth rotating rod 61, a third support plate 65 is welded at a corner of the hexagonal plate 64, and the upper surfaces of the six sets of the third support plates 65 are fixedly connected with a movable plate 67 through a third fixing rod 66.
By adopting the above technical scheme, under the pushing action of the cooling liquid 10 in the cooling tank 9, the six sets of the movable plates 67 rotate, the rotation of the movable plates 67 drives the third support plate 65 to rotate, the rotation of the third support plate 65 drives the hexagonal plate 64 to rotate, and the rotation of the hexagonal plate 64 drives the fourth rotating rod 61 to rotate.
Example 9
On the basis of the embodiment 8, referring to fig. 8, the upper end of the movable plate 67 is welded with a first T-shaped column 68, the outer wall of the first T-shaped column 68 is movably connected with a second connecting plate 69, and the other end of the second connecting plate 69 is movably connected with the adjacent movable plate 67 through the first T-shaped column 68.
By adopting the technical scheme, the adjacent movable plates 67 can be movably connected together through the design of the first T-shaped column 68, so that the rotation of the hexagonal plate 64 is facilitated.
Example 10
On the basis of the embodiment 8, referring to fig. 8, the other side wall of the second supporting plate 62 is provided with a sliding groove 63, a sliding block 612 is slidably connected in the sliding groove 63, a second T-shaped column 611 is welded on the surface of the sliding block 612, a third connecting plate 610 is movably connected to the outer wall of the second T-shaped column 611, and the other end of the third connecting plate 610 is welded with the bottom of the third fixing rod 66.
By adopting the above technical scheme, through the mutual cooperation between the sliding groove 63 and the sliding block 612, the sliding block 612 can move along the track of the sliding groove 63 conveniently, the third connecting plate 610 is driven to rotate by the movement of the sliding block 612, and the third fixing rod 66 is driven to rotate by the rotation of the third connecting plate 610.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the servo motor 82 is started to drive the screw 83 to rotate, the rotation of the screw 83 drives the first cylindrical gear 84 to rotate, the rotation of the first cylindrical gear 84 drives the first rotating rod 85 to rotate, the rotation of the first rotating rod 85 drives the first bevel gear 86 to rotate, the rotation of the first bevel gear 86 drives the second bevel gear 87 to rotate around the first fixing rod 88, the rotation of the second bevel gear 87 drives the third bevel gear 810 to rotate, the rotation of the third bevel gear 810 drives the second rotating rod 811 to rotate, the rotation of the second rotating rod 811 drives the fourth bevel gear 812 to rotate, the rotation of the fourth bevel gear 812 drives the fifth bevel gear 813 to rotate, and the rotation of the fifth bevel gear 813 drives the fan 15 to rotate on the Y-Z plane;
under the pushing action of the cooling liquid 10 in the cooling tank 9, the six sets of movable plates 67 rotate, the rotation of the movable plates 67 drives the third support plate 65 to rotate, the rotation of the third support plate 65 drives the hexagonal plate 64 to rotate, the rotation of the hexagonal plate 64 drives the fourth rotating rod 61 to rotate, and the rotation of the fourth rotating rod 61 drives the sixth bevel gear 51 to rotate;
the rotation of the sixth bevel gear 51 drives the seventh bevel gear 52 to rotate, the rotation of the seventh bevel gear 52 drives the third rotating rod 53 to rotate, the rotation of the third rotating rod 53 drives the second cylindrical gear 54 and the fourth cylindrical gear 56 to rotate, the rotation of the second cylindrical gear 54 drives the third cylindrical gear 55 to rotate, the rotation of the third cylindrical gear 55 drives the support ring 89 to rotate, at this time, the second bevel gear 87 rotates along the outer walls of the third bevel gear 810 and the first bevel gear 86, the rotation of the fourth cylindrical gear 56 drives the fifth cylindrical gear 57 to rotate, the rotation of the fifth cylindrical gear 57 drives the fifth rotating rod 58 to rotate, the rotation of the fifth rotating rod 58 drives the first support disc 59 to rotate, and the rotation of the first support disc 59 drives the fan 15 to rotate on the X-Y plane.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims (6)

1. A power electronic module and a power electronic component package substrate, comprising:
the packaging structure comprises a packaging substrate (1), wherein a power electronic component (2) is arranged on the upper surface of the packaging substrate (1), and a first housing (3) is fixedly connected to the side wall of the packaging substrate (1).
2. The power electronic module and power electronic component packaging substrate as claimed in claim 1, wherein a heat dissipation window (16) is formed on a side wall of the first housing (3), a dust screen (13) is arranged on an inner wall of the heat dissipation window (16), a cooling box (9) is fixedly connected to the inner bottom of the first housing (3), cooling liquid (10) is contained in the cooling box (9), a water pump (11) is fixedly connected to the inner bottom of the cooling box (9), and a water outlet pipe (12) is fixedly connected to an outlet end of the water pump (11); further comprising: a heat conducting mechanism (7) arranged at the bottom of the package substrate (1), the heat conducting mechanism (7) comprising a first heat conducting pipe (71), the lower end of the first heat conduction pipe (71) is fixedly connected with the water outlet pipe (12), the other end of the first heat conduction pipe (71) is provided with a second heat conduction pipe (72), the second heat conduction pipes (72) are arranged in an S-shaped array, a support frame (76) is arranged on the outer wall of the second heat conduction pipe (72), a gap between the second heat conduction pipe (72) and the packaging substrate (1) is filled with heat conduction silicone grease (77), the other end of the second heat conduction pipe (72) is provided with a third heat conduction pipe (73), a heat conduction box (74) is arranged at the lower end of the third heat conduction pipe (73), a fourth heat conduction pipe (75) is arranged at the lower end of the heat conduction box (74), and the fourth heat conduction pipe (75) penetrates through the cooling box (9); the radiating fin (14) is fixedly connected to the bottom of the supporting frame (76); the first rotating mechanism (8) is fixedly connected to the upper surface of the cooling box (9), the first rotating mechanism (8) comprises a second housing (81), a servo motor (82) is fixedly connected to the inner bottom of the second housing (81), a screw (83) is fixedly connected to the outlet end of the servo motor (82) through a coupler, a first cylindrical gear (84) is connected to the front surface of the screw (83) in a meshed mode, a first rotating rod (85) is welded to the inner wall of the first cylindrical gear (84), the first rotating rod (85) penetrates through the first cylindrical gear (84), the lower end of the first rotating rod (85) is rotatably connected with the second housing (81) through a bearing, a first conical gear (86) is welded to the upper end of the first rotating rod (85), and a second conical gear (87) is connected to the side wall of the first conical gear (86) in a meshed mode, a third bevel gear (810) is connected to the upper end of the second bevel gear (87) in a meshed manner, a second rotating rod (811) is welded to the upper end of the third bevel gear (810), a fourth bevel gear (812) is welded to the upper end of the second rotating rod (811), and a fifth bevel gear (813) is connected to the side wall of the fourth bevel gear (812) in a meshed manner; a supporting mechanism (4) fixedly connected on the inner wall of the second housing (81), the supporting mechanism (4) comprises an H-shaped plate (41), a first supporting plate (42) is welded on the back of the H-shaped plate (41), an L-shaped plate (415) is welded on the upper surface of the first supporting plate (42), a second supporting plate (43) is arranged below the first supporting plate (42), a third supporting plate (410) is arranged below the second supporting plate (43), the back of the first supporting plate (42) is welded with an F-shaped plate (412), the second supporting plate (43) is welded between the F-shaped plate (412) and the H-shaped plate (41), the front surface of the third supporting plate (410) is welded with the H-shaped plate (41) through a second support plate (414), the back surface of the third supporting plate (410) is welded with the F-shaped plate (412) through a first support plate (413); the second rotating mechanism (5) is arranged in the inner cavity of the first housing (3), the second rotating mechanism (5) comprises a first supporting disc (59), a pair of first lug plates (510) are welded at the upper end of the first supporting disc (59), a second fixing rod (511) is rotatably connected between the pair of first lug plates (510) through a bearing, a first connecting plate (512) is fixedly connected to the outer wall of the second fixing rod (511), and a fan (15) is fixedly connected to the upper end of the first connecting plate (512); an auxiliary mechanism (6) arranged on the side wall of the second rotating mechanism (5); the upper surface of third backup pad (410) is opened flutedly (411), first conical gear (86) are located flutedly (411), the welding has strengthening rib (48) on the lateral wall of L shaped plate (415), second mounting hole (47) have all been opened with the upper surface of first backup pad (42) to L shaped plate (415), link together through bearing rotation between second mounting hole (47) and second bull stick (811).
3. The power electronic module and the power electronic component packaging substrate as claimed in claim 2, wherein a first fixing rod (88) is rotatably connected to an inner wall of the second bevel gear (87) through a bearing, support rings (89) are welded to two ends of the first fixing rod (88), the second bevel gear (87) is located in an inner cavity of the support rings (89), a third mounting hole (49) is formed in an upper surface of the second support plate (43), and the third mounting hole (49) and the support rings (89) are rotatably connected together through a bearing.
4. A power electronic module and power electronic component packaging substrate according to claim 3, wherein a third cylindrical gear (55) is welded to the lower end of the supporting ring (89), a second cylindrical gear (54) is engaged and connected to the side wall of the third cylindrical gear (55), and a third rotating rod (53) is welded to the inner wall of the second cylindrical gear (54).
5. The power electronic module and power electronic component packaging substrate as claimed in claim 4, wherein a fourth cylindrical gear (56) is welded to an upper end of the third rotating rod (53), a fifth cylindrical gear (57) is connected to a side wall of the fourth cylindrical gear (56) in a meshed manner, a fifth rotating rod (58) is welded to an upper end of the fifth cylindrical gear (57), the fifth rotating rod (58) is hollow, the upper end of the fifth rotating rod (58) is coaxially and fixedly connected with the first supporting disk (59), and the second rotating rod (811) penetrates through the fifth cylindrical gear (57), the fifth rotating rod (58) and the first supporting disk (59).
6. The power electronic module and power electronic component packaging substrate as claimed in claim 4, wherein a seventh bevel gear (52) is welded at the lower end of the third rotating rod (53), a sixth bevel gear (51) is connected to the side wall of the seventh bevel gear (52) in a meshing manner, a second lug plate (44) is welded to one side wall of the first supporting plate (42), a third lug plate (45) is welded to one side wall of the second supporting plate (43), first mounting holes (46) are formed in the upper surfaces of the second lug plate (44) and the third lug plate (45), and the first mounting holes (46) and the third rotating rod (53) are rotatably connected together through bearings.
CN202111006955.4A 2021-08-30 2021-08-30 Power electronic module and power electronic component packaging substrate Active CN113923936B (en)

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