CN113825309B - Power module fastening device - Google Patents
Power module fastening device Download PDFInfo
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- CN113825309B CN113825309B CN202111057825.3A CN202111057825A CN113825309B CN 113825309 B CN113825309 B CN 113825309B CN 202111057825 A CN202111057825 A CN 202111057825A CN 113825309 B CN113825309 B CN 113825309B
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- rotating shaft
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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
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/021—Components thermally connected to metal substrates or heat-sinks by insert mounting
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application relates to a power module fastening device, which relates to the field of power module fastening technology, and comprises a fixing frame, a plurality of supporting blocks fixedly arranged on the fixing frame, a connecting sleeve fixedly arranged below the supporting blocks, a rotating shaft arranged inside the connecting sleeve and a fixing rod arranged in the side wall of the connecting sleeve; the circuit board is provided with a connecting hole, the connecting sleeve is inserted into the connecting hole, a control mechanism for controlling rotation of the rotating shaft is arranged between the supporting block and the rotating shaft, a sliding hole is formed in the side wall of the connecting sleeve, the fixing rod is connected with the sliding hole in a sliding mode, the fixing rod is located at one end, far away from the supporting block, of the connecting sleeve, and a clamping mechanism for clamping the circuit board between the supporting block and the fixing rod is arranged between the rotating shaft and the supporting block. The application has the effects of fixing the power module firmly, improving the stability of the power module, and being convenient for installing and disassembling the power module.
Description
Technical Field
The present disclosure relates to the field of power module fastening technologies, and in particular, to a power module fastening device.
Background
The power module is a power supply on a printed circuit board and is characterized by providing power for Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), microprocessors, memories, field Programmable Gate Arrays (FPGAs), and other digital or analog loads. Generally, such modules are referred to as load (POL) power supply systems or point-of-use power supply systems (PUPS). Because of the great advantages of the modular structure, the modular power supply is widely used in the communication fields of switching equipment, access equipment, mobile communication, microwave communication, optical transmission, routers and the like, and the fields of automobile electronics, aerospace and the like.
In the related art, when a power module is fixed on a circuit board, the power module is usually fixed by gluing or soldering; however, after the circuit board is used for a long time and the temperature is too high, the glue is easy to age in an adhesive mode, so that the power module is loose, the larger power module is not firmly fixed by adopting soldering, and meanwhile, the mounting and dismounting operations are complicated, and the power module is loose and can cause circuit faults.
Disclosure of Invention
In order to fix power module firmly, improve power module's stability, and be convenient for installation and dismouting power module, this application provides a power module fastener.
The application provides a power module fastener adopts following technical scheme:
the power module fastening device comprises a fixing frame, a plurality of supporting blocks, a connecting sleeve, a rotating shaft and a fixing rod, wherein the fixing frame is used for being sleeved on the outer side wall of a power module which is abutted to a circuit board;
the circuit board is provided with a connecting hole, the connecting sleeve is inserted into the connecting hole, the rotating shaft is rotationally connected with the connecting sleeve, a control mechanism for controlling the rotation of the rotating shaft is arranged between the supporting block and the rotating shaft, the side wall of the connecting sleeve is provided with a sliding hole, the fixing rod is connected with the sliding hole in a sliding mode, the fixing rod is located at one end, far away from the supporting block, of the connecting sleeve, and a clamping mechanism for clamping the circuit board between the supporting block and the fixing rod is arranged between the rotating shaft and the supporting block.
By adopting the technical scheme, when a worker needs to fix the power supply module, the power supply module is firstly abutted to the circuit board, then the fixing frame is sleeved outside the power supply module, meanwhile, the connecting sleeve is inserted into the connecting hole, then the worker drives the rotating shaft to rotate through the control mechanism, and the rotating shaft controls the clamping mechanism to drive the fixing rod to slide outwards in the sliding hole, so that the circuit board is clamped between the supporting block and the fixing rod, the connecting sleeve cannot slide in the connecting hole on the circuit board, and the fixing of the power supply module is realized; when a worker needs to replace or overhaul the power supply module, the rotating shaft is driven to reversely rotate by the control mechanism, the rotating shaft is controlled by the clamping mechanism to drive the fixing rod to slide inside the connecting sleeve in the sliding hole, so that the fixing state of the circuit board is relieved, the connecting sleeve is pulled out of the connecting hole, and the power supply module is taken down for overhaul, maintenance or replacement; when the power module is installed or disassembled by a worker, the power module is quickly installed under the combined action of the control mechanism, the clamping mechanism and the fixing frame, and the power module is convenient to disassemble and repair, so that the labor intensity of the worker is relieved, the installation and disassembly efficiency is improved, and the power module is firmly fixed by the clamping mechanism and the fixing frame after the circuit board is used for a long time at too high temperature, and the stability of the power module is improved.
Optionally, the control mechanism comprises a control rod arranged in the support block and a plug-in block fixedly arranged at one end of the control rod close to the rotating shaft; the cross section of the plug-in block is arranged in a polygonal shape, and the number of sides of the polygonal shape is not less than 3;
the supporting block is inside cavity setting, the control lever is located the supporting block and can slide also rotate, the rotation axis is close to the grafting groove of grafting piece looks adaptation has been seted up to the one end of control lever, the grafting piece can peg graft to the grafting inslot, be provided with on the control lever and be used for driving the resilience subassembly that the grafting piece breaks away from the grafting groove voluntarily.
By adopting the technical scheme, when a worker needs to rotate the rotating shaft, the worker firstly presses down the control rod, the control rod drives the plug block to move to one side in the plug groove, and when the plug block is plugged into the plug groove on the rotating shaft, the worker rotates the control rod, and the control rod can drive the rotating shaft to rotate; and after the staff loosens the control rod, the rebound assembly enables the control rod to move upwards, and the plug-in block can be separated from the plug-in groove, so that even if the staff touches the control rod by mistake, the control rod can not drive the rotating shaft to rotate, and the stability of the control mechanism is improved.
Optionally, the rebound assembly comprises a limiting ring and a spring sleeved on the outer side of the control rod; the control rod is fixedly connected with the limiting ring, one end of the spring is abutted against the limiting ring, the other end of the spring is abutted against the rotating shaft, and the spring is always in a compressed state.
By adopting the technical scheme, when a worker presses down the control rod, the control rod drives the limiting ring fixedly connected with the control rod to move downwards, and the limiting ring drives the spring to compress downwards; when the staff loosens the control rod, the spring drives the limiting ring to move upwards, and the limiting ring can automatically drive the control rod to move upwards, so that the control rod drives the plug-in block to be separated from the plug-in groove, the spring is always in a compressed state, pressure is always applied to one end, close to the control rod, of the rotating shaft, and therefore the rotating shaft is not easy to be affected by vibration and the like to rotate, and stability of the control mechanism is further improved.
Optionally, the joint mechanism is including setting firmly the back shaft that is close to dead lever one end at the rotation axis, the transversal ellipse setting of personally submitting of back shaft, dead lever one end is connected with the back shaft slides, be provided with between dead lever and the back shaft and be used for playing the direction to the slip of dead lever and restrict the dead lever to break away from the direction subassembly of back shaft effect.
Through adopting the technical scheme, when a worker clamps the circuit board between the supporting block and the fixed rod through the clamping mechanism, firstly, the worker drives the rotating shaft to rotate through the control mechanism, then the rotating shaft drives the supporting shaft fixedly connected with the rotating shaft to rotate, the supporting shaft drives the fixed rod to slide in the sliding hole, and when the long shaft of the supporting shaft is collinear with the fixed rod, the fixed rod extends out of the sliding hole on the connecting sleeve, and meanwhile, the fixed rod is tightly attached to the circuit board, so that the circuit board is clamped between the supporting block and the fixed rod; when the short shaft of the supporting shaft is collinear with the fixing rod, the fixing rod is retracted into the connecting sleeve under the action of the guide assembly, so that the fixing state of the clamping mechanism is released.
Optionally, the guiding component comprises a supporting rod fixedly arranged on one side of the fixed rod close to the supporting shaft and a sliding block fixedly arranged at one end of the supporting rod far away from the fixed rod;
the supporting shaft is provided with a sliding groove along the circumferential direction of the supporting shaft, the sliding block is positioned in the sliding groove and slides, and the sliding block cannot be separated from the sliding groove.
Through adopting above-mentioned technical scheme, the sliding block can not break away from the spout, and the spout is offered along the circumference of back shaft to when the back shaft rotated, the sliding block was located the spout and slides, and the bracing piece drives and stretches out or withdraw rather than fixed connection's dead lever is located the downthehole that slides simultaneously.
Optionally, the inclined plane has been seted up to the one end that the dead lever was kept away from the back shaft, the inclined plane is set up by the circuit board slope to keeping away from circuit board one side.
Through adopting above-mentioned technical scheme, the one end slope that the back shaft was kept away from to the dead lever sets up to play the effect of direction and location when the dead lever stretches out the hole of sliding, makes things convenient for the dead lever to stretch out the hole of sliding, is convenient for the dead lever simultaneously to apply certain extrusion force to the circuit board to make dead lever and circuit board closely laminate, improve joint mechanism's stability.
Optionally, the fixing rod, the supporting rod and the sliding block are integrally formed.
Through adopting above-mentioned technical scheme, integrated into one piece sets up firm in connection, intensity is high, stable in use to make dead lever, bracing piece, the piece three of sliding connect more firmly, the junction of dead lever and bracing piece, the junction of the piece of sliding and bracing piece are difficult for taking place the fracture, have improved the connection stability between the three.
Optionally, each connecting sleeve is provided with two fixing rods, and the two fixing rods are symmetrically arranged.
Through adopting above-mentioned technical scheme, two dead levers make the atress of back shaft even to make the junction of back shaft and rotation axis difficult emergence local fracture, and fixed more firm with the circuit board, further improved joint mechanism's stability.
Optionally, a plurality of cooling fins are fixedly arranged on the fixing frame.
Through adopting above-mentioned technical scheme, the fin carries out timely effluvium to the heat that power module produced, has guaranteed good radiating effect, makes power module not fragile, prolongs its life.
Optionally, the radiating fin is L-shaped.
Through adopting above-mentioned technical scheme, the L type setting not only provides certain holding power to power module, and is convenient for fin and power module's more inseparable laminating in surface to make the fin have better radiating effect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a worker installs or installs and removes the power module, the rapid installation of the power module is realized under the combined action of the control mechanism, the clamping mechanism and the fixing frame, and the follow-up disassembly and maintenance work of the power module are convenient, so that the labor intensity of the worker is reduced, the installation and disassembly efficiency is improved, and the power module is firmly fixed by the clamping mechanism and the fixing frame after the circuit board is used for too high temperature for a long time, and the stability of the power module is improved;
2. when a worker loosens the control rod, the rebound assembly enables the control rod to move upwards, and the plug-in block can be separated from the plug-in groove, so that the control rod can not drive the rotating shaft to rotate even if the worker touches the control rod by mistake, and the stability of the control mechanism is improved;
3. the spring in the rebound assembly is always in a compressed state, and pressure is always applied to one end of the rotating shaft, which is close to the control rod, so that the rotating shaft is not easy to be influenced by vibration and the like to rotate, and the stability of the control mechanism is further improved;
4. the radiating fin timely dissipates heat generated by the power module, so that good radiating effect is guaranteed, the power module is not easy to damage, and the service life of the power module is prolonged.
Drawings
FIG. 1 is a schematic view of a module securing device in an embodiment of the present application;
FIG. 2 is a partial cross-sectional view showing the connection state of the plug block and the plug groove;
FIG. 3 is a partial cross-sectional view showing the plug block and the plug slot in a separated state;
FIG. 4 is a partial cross-sectional view showing the clamping mechanism;
fig. 5 is a partially enlarged schematic view showing a portion a in fig. 4.
Reference numerals illustrate: 1. a power module; 2. a fixing frame; 21. a fixed frame; 22. a connecting rod; 23. a heat sink; 3. a circuit board; 31. a connection hole; 4. a support block; 5. a connecting sleeve; 51. a slip hole; 6. a rotation shaft; 61. a plug-in groove; 7. a control mechanism; 71. a control lever; 72. a plug block; 73. a knob; 74. a rebound assembly; 741. a limiting ring; 742. a spring; 8. a fixed rod; 81. an inclined plane; 9. a clamping mechanism; 91. a support shaft; 911. a chute; 92. a guide assembly; 921. a support rod; 922. a sliding block.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a power module fastening device. Referring to fig. 1 and 2, the power module fastening device includes a fixing frame 2 for being sleeved on the outer sidewall of the power module 1, and the power module 1 is abutted to a circuit board 3. Support blocks 4 are fixedly arranged at four end corners of the fixing frame 2, and the lower surfaces of the support blocks 4 are abutted with the circuit board 3. The connecting sleeve 5 is fixedly arranged below the supporting block 4, the circuit board 3 is provided with a connecting hole 31, the connecting sleeve 5 is inserted into the connecting hole 31, and the supporting block 4 cannot enter the connecting hole 31. The connecting sleeve 5 is internally provided with a rotating shaft 6, and the rotating shaft 6 is rotationally connected with the connecting sleeve 5. An operating mechanism 7 is arranged between the supporting block 4 and the rotating shaft 6, and the operating mechanism 7 is used for controlling the rotating shaft 6 to rotate.
Referring to fig. 3 and 4, two fixing rods 8 are disposed in the side wall of the connecting sleeve 5, the fixing rods 8 are located at one end of the connecting sleeve 5 away from the supporting block 4, the fixing rods 8 are disposed along the radial direction of the connecting sleeve 5, the two fixing rods 8 are symmetrically disposed, sliding holes 51 are formed in the side wall of the connecting sleeve 5, and the fixing rods 8 are connected with the sliding holes 51 in a sliding mode. A clamping mechanism 9 is arranged between the rotating shaft 6 and the supporting block 4, and the clamping mechanism 9 is used for clamping the circuit board 3 between the supporting block 4 and the fixing rod 8.
Referring to fig. 1, the fixing frame 2 includes fixing frames 21 located at two sides of the power module 1, the fixing frames 21 are U-shaped, and the two fixing frames 21 are parallel and spaced; a connecting rod 22 is fixedly arranged between the two fixing frames 21. The connecting rod 22 is fixedly provided with the plurality of cooling fins 23, the plurality of cooling fins 23 are uniformly distributed at intervals along the length direction of the connecting rod 22, and the cooling fins 23 are used for timely radiating heat generated by the power module 1, so that good heat radiating effect is ensured, and the service life of the power module 1 is prolonged. And the radiating fin 23 is L-shaped, and the L-shaped is convenient for the more inseparable laminating in the surface of radiating fin 23 and power module 1, improves the radiating effect of radiating fin 23.
When a worker needs to fix the power module 1, firstly, the power module 1 is abutted to the circuit board 3, then the fixing frame 2 is sleeved outside the power module 1, meanwhile, the connecting sleeve 5 is inserted into the connecting hole 31, then the worker drives the rotating shaft 6 to rotate through the control mechanism 7, and the rotating shaft 6 controls the clamping mechanism 9 to drive the fixing rod 8 to slide outwards in the sliding hole 51, so that the circuit board 3 is clamped between the supporting block 4 and the fixing rod 8, the connecting sleeve 5 cannot slide in the connecting hole 31 on the circuit board 3, the fixing of the power module 1 can be completed, and meanwhile, the radiating fins 23 are abutted to the outer side of the power module 1, so that heat generated by the power module 1 can be rapidly dissipated; when the worker needs to replace or overhaul the power module 1, the rotating shaft 6 is driven to reversely rotate by the control mechanism 7, the rotating shaft 6 controls the clamping mechanism 9 to drive the fixing rod 8 to slide in the sliding hole 51 towards the inside of the connecting sleeve 5, so that the fixing state of the circuit board 3 is relieved, the connecting sleeve 5 is pulled out from the connecting hole 31, and the power module 1 is taken down for overhaul, maintenance or replacement.
Referring to fig. 2 and 3, the control mechanism 7 includes a control rod 71 disposed inside the support block 4, the support block 4 is a cuboid with a hollow inside, and the control rod 71 is located inside the support block 4 and can slide up and down and rotate. The control rod 71 is fixedly provided with a plug-in block 72 near one end of the rotating shaft 6, one end of the rotating shaft 6 near the control rod 71 is provided with a plug-in groove 61 matched with the plug-in block 72, and the plug-in block 72 can be plugged into the plug-in groove 61; the cross section of the plug-in block 72 is arranged in a polygonal shape, the number of sides of the polygonal shape is not less than 3, and pentagons are preferred. The control rod 71 is kept away from rotation axis 6 one end fixedly has knob 73, and the diameter of knob 73 is great for make things convenient for the staff to press or rotate control rod 71. The control rod 71 is provided with a rebound assembly 74, and the rebound assembly 74 is used for driving the plug block 72 to automatically separate from the plug groove 61.
Referring to fig. 3, the rebound assembly 74 includes a limit ring 741 sleeved outside the control rod 71, the control rod 71 is fixedly connected with the limit ring 741, and the limit ring 741 is located in the support block 4 to slide. The control rod 71 is further provided with a spring 742, one end of the spring 742 abuts against the stop collar 741, the other end abuts against the rotary shaft 6, and the spring 742 is always in a compressed state.
When a worker needs to rotate the rotating shaft 6, firstly, the worker presses down the knob 73, the knob 73 drives the control rod 71 to move, the control rod 71 drives the plug block 72 to move to one side in the plug groove 61, meanwhile, the control rod 71 drives the limit ring 741 fixedly connected with the control rod 71 to move downwards, the limit ring 741 drives the spring 742 to compress downwards, and when the plug block 72 is plugged into the plug groove 61 on the rotating shaft 6, the worker rotates the control rod 71, and the control rod 71 can drive the rotating shaft 6 to rotate; when the control rod 71 is released by a worker, the spring 742 drives the limit ring 741 to move upwards, and the limit ring 741 can automatically drive the control rod 71 to move upwards, so that the control rod 71 drives the plug block 72 to be separated from the plug groove 61, and even if the control rod 71 is touched by the worker by mistake, the control rod 71 can not drive the rotary shaft 6 to rotate, and the stability of the control mechanism 7 is further improved; and the spring 742 is always in a compressed state in the whole process, and pressure is always applied to one end of the rotating shaft 6 close to the control rod 71, so that the rotating shaft 6 is not easy to be affected by vibration and the like to rotate, and the stability of the control mechanism 7 is further improved.
Referring to fig. 3 and 4, the clamping mechanism 9 includes a support shaft 91 fixed at one end of the rotation shaft 6 near the fixing rod 8, the cross section of the support shaft 91 is elliptical, and one end of the fixing rod 8 is slidably connected with the support shaft 91. A guiding component 92 is arranged between the fixing rod 8 and the supporting shaft 91, and the guiding component 92 is used for guiding sliding of the fixing rod 8 and limiting the fixing rod 8 from being separated from the supporting shaft 91.
Referring to fig. 4 and 5, the guide assembly 92 includes a support rod 921 disposed on one side of the fixing rod 8 near the support shaft 91, a sliding block 922 is disposed at one end of the support rod 921 away from the fixing rod 8, the support rod 921 and the sliding block 922 are integrally formed, the support shaft 91 is provided with a sliding groove 911 along the circumferential direction thereof, the sliding block 922 is located in the sliding groove 911 and slides, and the sliding block 922 cannot be separated from the sliding groove 911. The inclined plane 81 has been seted up to the one end that back shaft 91 was kept away from to dead lever 8, and inclined plane 81 is set up to keeping away from circuit board 3 one side slope by circuit board 3, and inclined plane 81 is used for making things convenient for dead lever 8 to stretch out the hole 51 that slides, is convenient for dead lever 8 to apply certain extrusion force to circuit board 3 simultaneously, makes dead lever 8 and circuit board 3 closely laminate, improves the stability of joint mechanism 9.
When a worker clamps the circuit board 3 between the support block 4 and the fixed rod 8 through the clamping mechanism 9, firstly, the worker drives the rotating shaft 6 to rotate through the control mechanism 7, then the rotating shaft 6 drives the support shaft 91 fixedly connected with the rotating shaft to rotate, the support shaft 91 drives the sliding block 922 to slide in the sliding groove 911, the sliding block 922 drives the fixed rod 8 to slide in the sliding hole 51, and when the long shaft of the support shaft 91 is collinear with the fixed rod 8, the fixed rod 8 extends out of the sliding hole 51 on the connecting sleeve 5, the fixed rod 8 is tightly attached to the circuit board 3, and the circuit board 3 is clamped between the support block 4 and the fixed rod 8; when the short axis of the support shaft 91 is collinear with the fixing rod 8, the fixing rod 8 is retracted into the connecting sleeve 5 by the guide assembly 92, thereby releasing the fixing state of the click mechanism 9.
The implementation principle of the power module fastening device in the embodiment of the application is as follows: when a worker needs to fix a power supply module, firstly, the power supply module 1 is abutted to the circuit board 3, then the fixing frame 2 is sleeved on the outer side of the power supply module 1, meanwhile, the connecting sleeve 5 is inserted into the connecting hole 31, then the worker rotates the knob 73, the knob 73 controls the control mechanism 7 to drive the rotating shaft 6 to rotate, the rotating shaft 6 controls the clamping mechanism 9 to drive the fixing rod 8 to slide outwards in the sliding hole 51, so that the circuit board 3 is clamped between the supporting block 4 and the fixing rod 8, the connecting sleeve 5 cannot slide inwards in the connecting hole 31 on the circuit board 3, the fixing of the power supply module 1 is realized, and meanwhile, the radiating fins 23 are abutted to the outer side of the power supply module 1, so that heat generated by the power supply module 1 is quickly dissipated; when a worker needs to replace or overhaul the power module 1, firstly, reversely rotating the knob 73, controlling the control mechanism 7 to drive the rotary shaft 6 to reversely rotate by the knob 73, controlling the clamping mechanism 9 by the rotary shaft 6 to drive the fixing rod 8 to slide in the sliding hole 51 towards the inside of the connecting sleeve 5, so as to release the fixed state of the circuit board 3, then, pulling out the connecting sleeve 5 from the connecting hole 31, and taking down the power module 1 for overhaul, maintenance or replacement; when the power module 1 is installed or disassembled by a worker, the power module 1 is quickly installed under the combined action of the control mechanism 7, the clamping mechanism 9 and the fixing frame 2, and the power module 1 is convenient to disassemble and maintain, so that the labor intensity of the worker is relieved, the installation and disassembly efficiency is improved, and after the circuit board 3 is used for a long time at too high temperature, the clamping mechanism 9 and the fixing frame 2 fix the power module 1 firmly, and the stability of the power module 1 is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. A power module securing device, characterized in that: the power supply module comprises a fixing frame (2) which is sleeved on the outer side wall of a power supply module (1) which is abutted to a circuit board (3), a plurality of supporting blocks (4) which are fixedly arranged on the fixing frame (2), a connecting sleeve (5) which is fixedly arranged below the supporting blocks (4), a rotating shaft (6) which is arranged inside the connecting sleeve (5) and a fixing rod (8) which is arranged inside the side wall of the connecting sleeve (5);
the circuit board (3) is provided with a connecting hole (31), the connecting sleeve (5) is inserted into the connecting hole (31), the rotating shaft (6) is rotationally connected with the connecting sleeve (5), a control mechanism (7) for controlling the rotating shaft (6) to rotate is arranged between the supporting block (4) and the rotating shaft (6), the side wall of the connecting sleeve (5) is provided with a sliding hole (51), the fixing rod (8) is in sliding connection with the sliding hole (51), the fixing rod (8) is positioned at one end, far away from the supporting block (4), of the connecting sleeve (5), and a clamping mechanism (9) for clamping the circuit board (3) between the supporting block (4) and the fixing rod (8) is arranged between the rotating shaft (6) and the supporting block (4);
the control mechanism (7) comprises a control rod (71) arranged in the support block (4) and a plug-in block (72) fixedly arranged at one end, close to the rotating shaft (6), of the control rod (71); the cross section of the plug-in block (72) is arranged in a polygonal shape, and the number of sides of the polygonal shape is not less than 3;
the supporting block (4) is hollow inside, the control rod (71) is located in the supporting block (4) and can slide and rotate, a plug groove (61) matched with the plug block (72) is formed in one end, close to the control rod (71), of the rotating shaft (6), the plug block (72) can be plugged into the plug groove (61), and a rebound assembly (74) for driving the plug block (72) to automatically separate from the plug groove (61) is arranged on the control rod (71).
2. A power module securing device according to claim 1, characterized in that: the rebound assembly (74) comprises a limit ring (741) and a spring (742) which are sleeved outside the control rod (71); the control rod (71) is fixedly connected with the limit ring (741), one end of the spring (742) is abutted with the limit ring (741), the other end of the spring is abutted with the rotating shaft (6), and the spring (742) is always in a compressed state.
3. A power module securing device according to claim 1, characterized in that: the clamping mechanism (9) comprises a supporting shaft (91) fixedly arranged at one end, close to the fixed rod (8), of the rotating shaft (6), the cross section of the supporting shaft (91) is oval, one end of the fixed rod (8) is connected with the supporting shaft (91) in a sliding mode, and a guide assembly (92) used for guiding sliding of the fixed rod (8) and limiting the fixed rod (8) to be separated from the supporting shaft (91) is arranged between the fixed rod (8) and the supporting shaft (91).
4. A power module securing device according to claim 3, characterized in that: the guide assembly (92) comprises a support rod (921) fixedly arranged on one side, close to the support shaft (91), of the fixed rod (8), and a sliding block (922) fixedly arranged on one end, far away from the fixed rod (8), of the support rod (921);
the supporting shaft (91) is provided with a sliding groove (911) along the circumferential direction of the supporting shaft, the sliding block (922) is positioned in the sliding groove (911) and slides in a sliding mode, and the sliding block (922) cannot be separated from the sliding groove (911).
5. A power module securing device according to claim 4, characterized in that: the fixing rod (8), the supporting rod (921) and the sliding block (922) are integrally formed.
6. A power module securing device according to claim 4, characterized in that: one end of the fixed rod (8) far away from the supporting shaft (91) is provided with an inclined surface (81), and the inclined surface (81) is obliquely arranged from the circuit board (3) to the side far away from the circuit board (3).
7. A power module securing device according to any one of claims 1-6, characterized in that: two fixing rods (8) are arranged on each connecting sleeve (5), and the two fixing rods (8) are symmetrically arranged.
8. A power module (1) fastening device according to claim 7, characterized in that: a plurality of cooling fins (23) are fixedly arranged on the fixing frame (2).
9. A power module securing device according to claim 8, characterized in that: the radiating fins (23) are arranged in an L shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057825.3A CN113825309B (en) | 2021-09-09 | 2021-09-09 | Power module fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057825.3A CN113825309B (en) | 2021-09-09 | 2021-09-09 | Power module fastening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113825309A CN113825309A (en) | 2021-12-21 |
| CN113825309B true CN113825309B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111057825.3A Active CN113825309B (en) | 2021-09-09 | 2021-09-09 | Power module fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113825309B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09258859A (en) * | 1996-03-25 | 1997-10-03 | Nec Corp | Plug-in power source module |
| EP2568350A2 (en) * | 2011-09-06 | 2013-03-13 | Acer Incorporated | External module, electronic device and method for driving external module |
| CN207664864U (en) * | 2018-01-08 | 2018-07-27 | 上海英联电子系统有限公司 | A kind of full brick power module structure |
| CN210143207U (en) * | 2019-03-14 | 2020-03-13 | 南京乔天自动化科技有限公司 | Power module of heat dissipation type router |
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| CN213818616U (en) * | 2020-11-27 | 2021-07-27 | 扬州市华宇电器设备有限公司 | Electric bus duct power module |
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| JP4450104B2 (en) * | 2008-04-30 | 2010-04-14 | ダイキン工業株式会社 | Connection member mounting structure and refrigeration system |
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2021
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| JPH09258859A (en) * | 1996-03-25 | 1997-10-03 | Nec Corp | Plug-in power source module |
| EP2568350A2 (en) * | 2011-09-06 | 2013-03-13 | Acer Incorporated | External module, electronic device and method for driving external module |
| CN110915313A (en) * | 2017-06-07 | 2020-03-24 | Abb电网瑞士股份公司 | Power semiconductor module |
| CN207664864U (en) * | 2018-01-08 | 2018-07-27 | 上海英联电子系统有限公司 | A kind of full brick power module structure |
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| CN213818616U (en) * | 2020-11-27 | 2021-07-27 | 扬州市华宇电器设备有限公司 | Electric bus duct power module |
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| CN113825309A (en) | 2021-12-21 |
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