CN115395761B - Inverter circuit board fixing structure - Google Patents
Inverter circuit board fixing structure Download PDFInfo
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- CN115395761B CN115395761B CN202211323913.8A CN202211323913A CN115395761B CN 115395761 B CN115395761 B CN 115395761B CN 202211323913 A CN202211323913 A CN 202211323913A CN 115395761 B CN115395761 B CN 115395761B
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- guide
- cooling
- oil tank
- oil
- circuit board
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an inverter circuit board fixing structure, which relates to the technical field of inverter circuit board fixing structures, in particular to an inverter circuit board fixing structure. This inverter circuit board fixed knot constructs, through setting up support piece and driving piece, at the continuous in-process that alternative extension shifted of elasticity cooling tube, can also form the disturbance to the inside cooling oil of elasticity cooling tube at the alternative motion in-process of cooling oil for the difficult stable liquid rete that forms in the pipe wall position of elasticity cooling tube reduces the influence degree of the inner wall of elasticity cooling tube to its inside cooling oil's viscous effect, further improvement cooling oil's heat exchange efficiency and heat-sinking capability.
Description
Technical Field
The invention relates to the technical field of inverter circuit board fixing structures, in particular to an inverter circuit board fixing structure.
Background
The inverter is a transformation device for converting direct current into alternating current, can be generally understood as a special transformer and mainly comprises a circuit board, a fixed structure for radiating components such as an inductor on the circuit board and a shell.
The heat dissipation form of the fixing structure of the circuit board is mainly air cooling and oil cooling, the air cooling is adopted for small inverters, and the oil cooling with higher efficiency is adopted for large inverters (such as inverters for solar photovoltaic power generation). The oil-cooled radiator that uses among the prior art comprises oil-cooled pipe, oil tank and oil pipe more, adopts when the high temperature in the inverter housing to extrude sunken inwards the surface with oil pipe and reach the circulation speed that reduces the flow cross section of cooling oil in order to improve the cooling oil when increasing heat transfer area, and the improvement of this kind of form can improve heat exchange efficiency when the high temperature in the inverter housing, but it still has technical defect: also make the oil pipe inner wall more showing to the viscous resistance of cooling oil when having increased the heat transfer area of oil pipe, the oil pipe inner wall can have stable liquid film layer, is unfavorable for the heat transfer of cooling oil and outside hot-air, and the more cooling oil flow velocity that absorbs heat of the bulge that lies in oil pipe simultaneously is less than the flow velocity of the less cooling oil of its central point heat absorption, consequently can cause whole flow velocity very fast, but the increase of radiating effect does not reach the anticipated problem and appears.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention provides a fixing structure for an inverter circuit board, which solves the problems set forth in the background art.
The technical scheme of the invention is as follows:
in order to achieve the purpose, the invention is realized by the following technical scheme: an inverter circuit board fixing structure comprises a heat dissipation assembly used for fixing an inverter circuit board, an oil cooling assembly located below the inverter circuit board, and a radiator shell used for loading the heat dissipation assembly and the oil cooling assembly, wherein the heat dissipation assembly comprises a first fixed oil tank and a second fixed oil tank, the oil cooling assembly comprises a plurality of groups of oil cooling mechanism assemblies, the plurality of groups of oil cooling mechanisms are connected in series end to end through circulating oil pipes, a second circulating pump used for pumping cooling oil in the second fixed oil tank into the oil cooling mechanism is arranged outside the second fixed oil tank, a first circulating pump used for pumping the cooling oil in the oil cooling mechanism into the first fixed oil tank is arranged outside the first fixed oil tank, each group of oil cooling mechanism comprises two sealing end covers, two supporting rings and an elastic cooling pipe assembly, support ring and elastic cooling pipe's both ends fixed connection, the one end fixedly connected with end cover of elastic cooling pipe is kept away from to every support ring, do not fixedly connected with connection curb plate is equallyd divide at both ends around first fixed oil tank and the fixed oil tank of second, the connecting hole that is used for fixed support ring is seted up to the surface of connecting the curb plate, every group oil cooling mechanism is still including connecting the gear, the connecting rod and the support piece that is used for changing elastic cooling pipe and air heat transfer surface area, connecting gear fixed connection is in the one end of connecting rod, the connecting rod rotates and sets up in elastic cooling pipe, the fixed connecting rod syntropy pivoted driving piece that is arranged in driving every group oil cooling mechanism that is equipped with in radiator shell's bottom, the fixed temperature sensor that is equipped with in side of first fixed oil tank, temperature sensor is used for controlling the start-up or stopping of driving piece.
Optionally, the support member includes a lantern ring, a first guide wheel disc, a second guide wheel disc, four first guide frames, four first movable supports, four second guide frames and four second guide supports, the lantern ring rotates to be arranged outside the connecting rod, the first guide wheel disc is fixedly connected with the connecting rod, the second guide wheel disc is fixedly connected with the connecting rod, the first guide frames are circumferentially arranged outside the lantern ring at intervals, the second guide frames are circumferentially arranged outside the lantern ring at intervals and are located at the center line positions of the two first guide frames, the first guide frames are slidably connected with the first movable supports, the second guide frames are slidably connected with the second guide supports, a first guide pillar is arranged on the end face, close to the first guide wheel disc, of each first movable support, a second guide pillar is arranged on the end face, close to the second guide wheel disc, one end, far away from the first guide frame, of each first movable support is fixedly connected to the inner wall of the elastic cooling tube, and one end, far away from the second guide frames, of each second guide support, is fixedly connected to the inner wall of the elastic cooling tube.
Optionally, the first guide pillar is in sliding fit in the first guide arc groove, the second guide pillar is in sliding fit in the second guide arc groove, the first guide arc groove includes four first inner grooves and four first outer convex grooves, the four first inner grooves and the four first outer convex grooves are connected end to form a closed groove body, the second guide arc groove includes a second outer convex groove and a second inner groove, and the four second outer convex grooves and the four second inner grooves are connected end to form a closed groove body.
Optionally, a connecting ring strip is arranged on the side surface of the first guide wheel disc and on the groove body position of the first guide arc groove, and a welding piece is arranged on the side surface of the second guide wheel disc and on the groove body position of the second guide arc groove.
Optionally, the first guide arc groove and the second guide arc groove have the same groove size, and the first guide arc groove and the second guide arc groove are fixedly arranged by deflecting 45 degrees from the completely symmetrical position.
Optionally, the guide port of the first guide frame faces the first guide wheel disc, and the guide port of the second guide frame faces the second guide wheel disc.
Optionally, the driving member includes a temperature control motor and a toothed belt, the toothed belt is engaged with each connecting gear, the temperature control motor is fixedly disposed at the bottom of the radiator housing, and an output shaft of the temperature control motor is fixedly connected with a connecting rod of the oil cooling mechanism at the corresponding position.
Optionally, the first fixed oil tank and the second fixed oil tank are both provided with heat dissipation fins on the side surfaces close to the radiator housing.
Optionally, one end of the second fixed oil tank, which is far away from the second circulating pump, is further provided with a third circulating pump, which pumps the cooling oil in the first fixed oil tank back into the second fixed oil tank.
Optionally, a rigid support sheet is further disposed in the elastic cooling tube, and the rigid support sheet is used for fixing multiple groups of first guide frames and second guide frames in the elastic cooling tube.
The invention provides an inverter circuit board fixing structure which has the following beneficial effects:
the inverter circuit board fixing structure is characterized in that a supporting piece and a driving piece are arranged, in the continuous alternate stretching and displacement process of an elastic cooling pipe, cooling oil in the elastic cooling pipe moves from the edge of the elastic cooling pipe to the center of the elastic cooling pipe in the flowing process to enable the cooling oil with more heat absorption at the edge to be closer to the center of the elastic cooling pipe, the cooling oil at the position is discharged outwards in an accelerated manner, the heat exchange efficiency of the cooling oil is increased, the cooling oil moves from the center of the elastic cooling pipe to the edge of the elastic cooling pipe in the flowing process to enable the cooling oil with less heat absorption at the center to move to the edge, the heat absorption capacity of the cooling oil is increased, the cooling oil in the elastic cooling pipe can be disturbed in the alternate moving process of the cooling oil, a stable liquid inner film layer is not easy to form at the pipe wall position of the elastic cooling pipe, the influence degree of the inner wall of the elastic cooling pipe on the viscous effect of the cooling oil in the elastic cooling pipe is reduced, and the heat exchange efficiency and the heat absorption capacity of the cooling oil are further improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the oil cooling assembly of the present invention;
FIG. 4 is a schematic top view of the structure of FIG. 3;
FIG. 5 is a schematic structural view of an oil cooling mechanism;
FIG. 6 is a schematic view of a first orientation of the support member;
FIG. 7 is a schematic view of a support structure;
FIG. 8 is a schematic view of a second orientation of the support member;
FIG. 9 is a schematic view of the position of the connecting ring;
FIG. 10 is a schematic front view of the structure of FIG. 9;
FIG. 11 is a schematic view of a first state of the elastic cooling tube;
FIG. 12 is a schematic view of a second state of the elastic cooling tube;
fig. 13 is a schematic view of the internal structure of the support ring.
In the figure: 1. an inverter circuit board; 2. a first fixed fuel tank; 3. a heat dissipating fin; 4. a heat sink housing; 5. a second fixed oil tank; 6. a first circulation pump; 7. a second circulation pump; 8. connecting the side plates; 9. sealing the end cap; 10. a support ring; 11. an elastic cooling tube; 12. a temperature control motor; 13. a connecting gear; 14. a toothed belt; 15. a connecting rod; 16. a first guide frame; 17. a first movable support; 18. a second guide frame; 19. a second guide support; 20. a collar; 21. a first guide post; 22. a first guide wheel disc; 23. a first guide arc groove; 231. a first inner groove; 232. a first outer tongue; 24. connecting the ring strips; 25. a second guide wheel disc; 26. a second guide arc groove; 261. a second outer tongue; 262. a second inner groove; 27. welding the sheet; 28. a temperature sensor; 29. a rigid support sheet; 30. a second guide post; 31. and a third circulation pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 13, the present invention provides a technical solution: a kind of inverter circuit board fixed structure, including the heat-dissipating module used for fixing the inverter circuit board 1, the oil-cooled assembly and heat sink outer casing 4 to load heat-dissipating module and oil-cooled assembly located under inverter circuit board 1, the heat-dissipating module is made up of first fixed oil tank 2 and second fixed oil tank 5, the oil-cooled assembly is made up of multiple-unit oil-cooled organization, the multiple-unit oil-cooled organization is connected in series end to end through the circulating oil line, the outside of the second fixed oil tank 5 has second circulating pump 7 to pump the cooling oil in the second fixed oil tank 5 into the oil-cooled organization, the outside of the first fixed oil tank 2 has first circulating pump 6 to pump the cooling oil in the oil-cooled organization into the first fixed oil tank 2, the second fixed oil tank 5 is far away from one end of the second circulating pump 7 and still has third circulating pump 31 to pump the cooling oil in the first fixed oil tank 2 back into the second fixed oil tank 5;
each set of oil cooling mechanism comprises two sealing end covers 9, two support rings 10 and an elastic cooling pipe 11 assembly, wherein a circulating water pipe of cooling oil is connected in each sealing end cover 9, the cooling oil entering the sealing end covers 9 enters the elastic cooling pipe 11 through the support rings 10, the internal structure of each support ring 10 is shown in figure 13, the center of each support ring 10 is provided with a jacket structure for guiding and supporting a connecting rod 15, a cooling oil exchange channel is arranged in an area between the jacket structure and the inner wall of the support ring 10, the support rings 10 are fixedly connected with two ends of the elastic cooling pipe 11, one end of each support ring 10 far away from the elastic cooling pipe 11 is fixedly connected with the sealing end cover 9, the front end and the rear end of each first fixed oil tank 2 and the front end and the rear end of each second fixed oil tank 5 are respectively and fixedly connected with a connecting side plate 8, and the outer surface of each connecting side plate 8 is provided with a connecting hole for fixing the support ring 10;
each group of oil cooling mechanism further comprises a connecting gear 13, a connecting rod 15 and a supporting piece for changing the heat exchange surface area between the elastic cooling pipe 11 and air, wherein the supporting piece comprises a lantern ring 20, a first guide wheel disc 22, a second guide wheel disc 25, four first guide frames 16, four first movable supports 17, four second guide frames 18 and four second guide supports 19, the lantern ring 20 is rotatably arranged outside the connecting rod 15, the first guide wheel disc 22 is fixedly connected with the connecting rod 15, and the second guide wheel disc 25 is fixedly connected with the connecting rod 15;
the first guide frames 16 are circumferentially arranged outside the lantern ring 20 at intervals, the second guide frames 18 are circumferentially arranged outside the lantern ring 20 at intervals and are positioned on the central lines of the two first guide frames 16, the first guide frames 16 are slidably connected with the first movable support 17, the second guide frames 18 are slidably connected with the second guide support 19, the end face of the first movable support 17 close to the first guide wheel disc 22 is provided with a first guide pillar 21, the end face of the second guide support 19 close to the second guide wheel disc 25 is provided with a second guide pillar 30, the first guide pillar 21 is slidably matched in the first guide arc groove 23, the second guide pillar 30 is slidably matched in the second guide arc groove 26, the first guide arc groove 23 comprises four first inner grooves 231 and four first outer convex grooves 232, the four first inner grooves 231 and the four first outer convex grooves 232 are connected end to form a closed groove body, the second guide arc groove 26 comprises a second outer convex groove 261 and a second inner groove 262, the four second outer convex grooves 261 and the four second inner grooves 262 are connected end to form a closed groove body, one end, far away from the first guide frame 16, of the first movable support 17 is fixedly connected to the inner wall of the elastic cooling tube 11, and one end, far away from the second guide frame 18, of the second guide support 19 is fixedly connected to the inner wall of the elastic cooling tube 11;
the connecting ring strip 24 is arranged on the side face of the first guide wheel disc 22 and on the groove body position of the first guide arc groove 23, the welding piece 27 is arranged on the side face of the second guide wheel disc 25 and on the groove body position of the second guide arc groove 26, the welding piece 27 and the connecting ring strip 24 have the same effect and are used for connecting the first guide wheel disc 22 and the second guide wheel disc 25 into an integral structure, the groove sizes of the first guide arc groove 23 and the second guide arc groove 26 are the same, and the first guide arc groove 23 and the second guide arc groove 26 are fixedly arranged by deflecting 45 degrees from the completely symmetrical positions, so that the deflection arrangement aims to realize that the movement directions of the second guide post 30 and the first guide post 21 are opposite in the rotation process of the connecting rod 15, so that the stretching appearance of the elastic cooling tube 11 is changed alternately;
the guide port of the first guide frame 16 faces the first guide wheel disc 22, and the guide port of the second guide frame 18 faces the second guide wheel disc 25, so that the first guide wheel disc 22 is more compactly matched with the first guide post 21 and the second guide wheel disc 25 is more compactly matched with the second guide post 30, and the occupied space is smaller;
the side faces, close to the radiator shell 4, of the first fixed oil tank 2 and the side faces, close to the radiator shell 4, of the second fixed oil tank 5 are both provided with the radiating fins 3, and the radiating fins 3 are in contact with the radiator shell 4, so that heat carried by the radiating fins 3 has two radiating ways from the radiating fins 3 to the radiator shell 4 and from the radiating fins 3 to air outside the radiator shell 4, the heat on the surfaces of the radiating fins 3 can be quickly radiated, and in order to enhance air flow, a fan can be arranged at the position of a radiating hole of the radiator shell 4 or a fan can be installed to improve the radiating effect of the radiating fins 3;
the elastic cooling tube 11 is further provided with a plurality of groups of rigid support sheets 29, the rigid support sheets 29 are arranged around the circumference of the elastic cooling tube 11, two ends of each rigid support sheet 29 are fixedly connected with corresponding positions in the fixed support ring 10, the rigid support sheets 29 are used for fixing a plurality of groups of first guide frames 16 and a plurality of groups of second guide frames 18 in the elastic cooling tube 11, and the rigid support sheets 29 are used for fixedly supporting a structure for guiding, which is formed by the lantern ring 20, the first guide frames 16 and the second guide frames 18;
connecting gear 13 fixed connection is in the one end of connecting rod 15, connecting rod 15 rotates and sets up in elastic cooling tube 11, the fixed connecting rod 15 syntropy pivoted driving piece that is arranged in driving every group oil cooling mechanism that is equipped with in the bottom of radiator shell 4, the fixed temperature sensor 28 that is equipped with in side of first fixed oil tank 2, temperature sensor 28 is used for controlling the start-up or the stop of driving piece, the driving piece includes control by temperature change motor 12 and toothed belt 14, toothed belt 14 all meshes with every connecting gear 13, control by temperature change motor 12 is fixed to be set up in the bottom of radiator shell 4, control by temperature change motor 12's output shaft and the connecting rod 15 fixed connection of the oil cooling mechanism of corresponding position department.
In summary, in the inverter circuit board fixing structure, under the driving action of the first circulating pump 6, the second circulating pump 7 and the third circulating pump 31 under the normal temperature working condition, the cooling oil in the second fixed oil tank 5 enters the adjacent oil cooling mechanism through the second circulating pump 7, and enters the next adjacent oil cooling mechanism through the circulating oil pipes connected in series end to end, and circulates sequentially, the cooling oil enters the first fixed oil tank 2 after passing through the first circulating pump 6, the cooling oil in the first fixed oil tank 2 flows back into the second fixed oil tank 5 through the third circulating pump 31, so as to form a circulating flow loop of the cooling oil, the heat generated in the inverter circuit board 1 in the working state is absorbed by the cooling oil circulating in the elastic cooling pipe 11, and after the cooling oil enters the first fixed oil tank 2 and the second fixed oil tank 5, the heat in the cooling oil is transferred to the radiator shell 4 and the external air through the heat dissipation fin plate 3, thereby realizing the heat dissipation protection of the inverter circuit board 1;
after the temperature inside the radiator shell 4 is higher than the preset temperature, the temperature sensor 28 transmits an electrical signal to the temperature control motor 12, the temperature control motor 12 is started, so that the temperature control motor 12 drives the connecting rod 15 in the oil cooling mechanism corresponding to the temperature control motor 12 to rotate at a low speed, the connecting rod 15 drives the corresponding connecting gear 13 to rotate counterclockwise, the connecting gear 13 drives the toothed belt 14 to rotate, the toothed belt 14 drives the connecting gears 13 of all the oil cooling mechanisms to rotate, so that all the connecting rods 15 rotate counterclockwise, the rotation of each connecting rod 15 drives the first guide wheel disc 22 and the second guide wheel disc 25 to synchronously start to rotate, as shown in fig. 7, each second guide pillar 30 moves from the tangent position of the second outer convex groove 261 and the second inner concave groove 262 to the direction close to the bottom of the second outer convex groove 261, so that each second guide pillar 30 and the second guide support 19 move linearly along the second guide frame 18 to the direction close to the elastic cooling tube 11, meanwhile, each first guide post 21 moves from the tangent position of the first inner groove 231 and the first outer groove 232 to the direction close to the bottom of the first inner groove 231, as shown in fig. 9 and 10, the first guide post 21 drives the first movable supports 17 to move linearly along the first guide frame 16 to the direction far away from the elastic cooling tube 11, so that at this time, the four first movable supports 17 pull the elastic cooling tube 11 to stretch and deform in the direction close to the collar 20, the four second guide frames 18 pull the elastic cooling tube 11 to stretch and deform in the direction far away from the collar 20, so that the shape of the elastic cooling tube 11 is stretched to the shape shown in fig. 11, at this time, the heat exchange area between the elastic cooling tube 11 and the air is stretched, so that the heat exchange area between the elastic cooling tube 11 and the air in the state of the overhigh temperature inside the radiator housing 4 is increased, thereby improving the heat exchange efficiency;
with the continuous rotation of the connecting rod 15, the second guide post 30 moves from the bottom of the second outer convex groove 261 to the bottom of the next second inner concave groove 262, the first guide post 21 moves from the bottom of the first inner concave groove 231 to the bottom of the next first outer convex groove 232, at this time, the second guide support 19 and the first movable support 17 exchange the stretching direction, at this time, the four second guide supports 19 move linearly in the direction away from the elastic cooling tube 11, and the four first movable supports 17 move linearly in the direction close to the elastic cooling tube 11, so that the stretching shape of the elastic cooling tube 11 is changed from that shown in fig. 11 to that shown in fig. 12, with the continuous rotation of the connecting rod 15, the stretching shape of the elastic cooling tube 11 is changed from that shown in fig. 12 to that shown in fig. 11, so as to be alternately deformed under the moving and displacing action of the second guide supports 19 and the first movable supports 17, during the continuous alternate stretching and displacing action of the elastic cooling tube 11, the cooling oil at the outward convex part of the elastic cooling pipe 11 is pushed to the central position of the elastic cooling pipe 11, the cooling oil at the inward concave part of the elastic cooling pipe 11 moves to the position far away from the central position of the elastic cooling pipe 11, so that the cooling oil in the elastic cooling pipe 11 realizes the extrusion movement from the edge of the elastic cooling pipe 11 to the central position of the elastic cooling pipe 11 and from the central position of the elastic cooling pipe 11 to the edge position of the elastic cooling pipe 11 in the flowing process, the cooling oil which absorbs more heat at the edge position can be promoted to be closer to the central position of the elastic cooling pipe 11 by the movement of the cooling oil from the edge of the elastic cooling pipe 11 to the central position of the elastic cooling pipe 11 in the flowing process, the cooling oil at the edge position can be discharged outwards in an accelerated manner, the heat exchange efficiency of the cooling oil is increased, and the cooling oil which absorbs less heat at the central position can be promoted to be cooled by the movement of the cooling oil from the central position of the elastic cooling pipe 11 to the edge position of the elastic cooling pipe 11 in the flowing process But oil to the marginal motion to increase the heat absorption capacity of cooling oil, further can also form the disturbance to the inside cooling oil of elastic cooling tube 11 in the alternating motion process of cooling oil, make the pipe wall position of elastic cooling tube 11 be difficult for forming stable liquid inner film layer, reduce the influence degree of the inner wall of elastic cooling tube 11 to the viscous effect of its inside cooling oil, further improvement cooling oil's heat exchange efficiency and heat absorption capacity.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an inverter circuit board fixed knot constructs, includes radiator unit, the oil cooling subassembly that is located inverter circuit board (1) below and loads radiator unit and oil cooling subassembly radiator shell (4) that are used for going on fixing inverter circuit board (1), its characterized in that: the heat dissipation assembly comprises a first fixed oil tank (2) and a second fixed oil tank (5), the oil cooling assembly comprises a plurality of groups of oil cooling mechanism assemblies, the groups of oil cooling mechanisms are connected in series end to end through circulating oil pipes, a second circulating pump (7) for pumping cooling oil in the second fixed oil tank (5) into the oil cooling mechanisms is arranged outside the second fixed oil tank (5), a first circulating pump (6) for pumping the cooling oil in the oil cooling mechanisms into the first fixed oil tank (2) is arranged outside the first fixed oil tank (2), each group of oil cooling mechanisms comprises two sealing end covers (9), two support rings (10) and an elastic cooling pipe (11) assembly, the support rings (10) are fixedly connected with two ends of the elastic cooling pipe (11), one end of each support ring (10) far away from the elastic cooling pipe (11) is fixedly connected with a sealing end cover (9), the front and rear ends of the first fixed oil tank (2) and the second fixed oil tank (5) are respectively and fixedly connected with a side plate (8), the outer surface of each support plate (8) is provided with a connecting hole for connecting the fixed oil tank (10), the connecting rod (15) is connected with a gear connecting rod (15), and the elastic cooling mechanism (11) for changing the surface area of the gear (15), a driving piece for driving the connecting rods (15) in each group of oil cooling mechanisms to rotate in the same direction is fixedly arranged at the bottom of the radiator shell (4), a temperature sensor (28) is fixedly arranged on the side face of the first fixed oil tank (2), and the temperature sensor (28) is used for controlling the starting or stopping of the driving piece; the support piece comprises a lantern ring (20), a first guide wheel disc (22), a second guide wheel disc (25), four first guide frames (16), four first movable supports (17), four second guide frames (18) and four second guide supports (19), the lantern ring (20) is rotatably arranged outside the connecting rod (15), the first guide wheel disc (22) is fixedly connected with the connecting rod (15), the second guide wheel disc (25) is fixedly connected with the connecting rod (15), the first guide frames (16) are circumferentially arranged outside the lantern ring (20) at intervals, the second guide frames (18) are circumferentially arranged outside the lantern ring (20) at intervals and are positioned at the central line positions of the two first guide frames (16), the first guide frames (16) are slidably connected with the first movable supports (17), the second guide frames (18) are slidably connected with the second guide supports (19), the end face, close to the first guide wheel disc (22), of the first movable supports (17) is provided with a first guide pillar (21), the second guide frame (19) is slidably connected with the inner wall of the inner wall (17), which is far away from the inner wall of the second guide frame (18) at the end face of the second guide frame (11), the first guide post (21) is in sliding fit in the first guide arc groove (23), the second guide post (30) is in sliding fit in the second guide arc groove (26), the first guide arc groove (23) comprises four first inner grooves (231) and four first outer convex grooves (232), the four first inner grooves (231) and the four first outer convex grooves (232) are connected end to form a closed groove body, the second guide arc groove (26) comprises a second outer convex groove (261) and a second inner groove (262), the four second outer convex grooves (261) and the four second inner grooves (262) are connected end to form a closed groove body, the groove sizes of the first guide arc groove (23) and the second guide arc groove (26) are the same, and the first guide arc groove (23) and the second guide arc groove (26) are fixedly arranged by 45 degrees from a completely symmetrical position in a deflection mode.
2. The inverter circuit board fixing structure according to claim 1, wherein: the side of first direction rim plate (22) and the cell body position that is located first direction arc groove (23) are equipped with connecting ring strip (24), and the cell body position that the side of second direction rim plate (25) and is located second direction arc groove (26) is equipped with welding piece (27).
3. The inverter circuit board fixing structure according to claim 1, wherein: the guide port of the first guide frame (16) faces the first guide wheel disc (22), and the guide port of the second guide frame (18) faces the second guide wheel disc (25).
4. The inverter circuit board fixing structure according to claim 1, wherein: the driving piece comprises a temperature control motor (12) and a toothed belt (14), the toothed belt (14) is meshed with each connecting gear (13), the temperature control motor (12) is fixedly arranged at the bottom of the radiator shell (4), and an output shaft of the temperature control motor (12) is fixedly connected with a connecting rod (15) of the oil cooling mechanism at the corresponding position.
5. The inverter circuit board fixing structure according to claim 1, wherein: and the side surfaces of the first fixed oil tank (2) and the second fixed oil tank (5) close to the radiator shell (4) are both provided with radiating fin plates (3).
6. The inverter circuit board fixing structure according to claim 1, wherein: and one end, far away from the second circulating pump (7), of the second fixed oil tank (5) is also provided with a third circulating pump (31) which pumps cooling oil in the first fixed oil tank (2) back into the second fixed oil tank (5).
7. The inverter circuit board fixing structure according to claim 1, wherein: the elastic cooling pipe (11) is also provided with a rigid support sheet (29), and the rigid support sheet (29) is used for fixing a plurality of groups of first guide frames (16) and second guide frames (18) in the elastic cooling pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211323913.8A CN115395761B (en) | 2022-10-27 | 2022-10-27 | Inverter circuit board fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211323913.8A CN115395761B (en) | 2022-10-27 | 2022-10-27 | Inverter circuit board fixing structure |
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| Publication Number | Publication Date |
|---|---|
| CN115395761A CN115395761A (en) | 2022-11-25 |
| CN115395761B true CN115395761B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211323913.8A Active CN115395761B (en) | 2022-10-27 | 2022-10-27 | Inverter circuit board fixing structure |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825685B (en) * | 2019-04-04 | 2020-12-01 | 台州金锋热处理有限公司 | Heat radiator for be used for heat treatment technology cooling circulation system |
| CN215680332U (en) * | 2021-07-05 | 2022-01-28 | 洛阳星牛变压器有限公司 | Circulating oil cooling device for transformer |
| CN114777527A (en) * | 2022-05-20 | 2022-07-22 | 江阴市斯奈客科技有限公司 | Controllable heat radiator of wing type pipe leading edge cold and hot automatic deformation rectification |
| CN217445577U (en) * | 2022-08-10 | 2022-09-16 | 西安艾克普斯电子科技有限公司 | Oil-cooling heat dissipation power circuit board |
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| Publication number | Publication date |
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| CN115395761A (en) | 2022-11-25 |
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