CN114599182B - GaN power device with thermal management protection and phase change energy storage functions - Google Patents
GaN power device with thermal management protection and phase change energy storage functions Download PDFInfo
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- CN114599182B CN114599182B CN202210234244.0A CN202210234244A CN114599182B CN 114599182 B CN114599182 B CN 114599182B CN 202210234244 A CN202210234244 A CN 202210234244A CN 114599182 B CN114599182 B CN 114599182B
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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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
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a GaN power device with thermal management protection and phase change cooling, which comprises a supporting table and a shell, wherein a lower radiating fin is arranged at the top of the supporting table, the shell is arranged at the top of the lower radiating fin, a mounting plate is arranged on the inner wall of the shell, a circuit board is arranged at the top of the mounting plate, an overcurrent protector is arranged at the top of the supporting table, and the overcurrent protector is positioned at one side of the lower radiating fin; the top of circuit board is installed the backup pad, the shaping phase change heat storage material absorber plate is installed at the top of circuit board, and shaping phase change heat storage material absorber plate is located the rear of backup pad. According to the utility model, the overcurrent protector is arranged and connected with the circuit through the butt joint, so that normal transmission of current is ensured, the overcurrent protector is used for detecting the current, when the voltage on the current exceeds a specified range, the indicator lamp sends out warning light, and an early warning mechanism in the overcurrent protector can automatically disconnect the circuit, so that the safety of the circuit is ensured.
Description
Technical Field
The utility model relates to the technical field of power devices, in particular to a phase-change energy-storage GaN power device with thermal management protection.
Background
The GaN power device is an electronic component with larger output power, and the electronic component in the output stage power amplifier in a large sound system belongs to the power device, gaN is gallium nitride, is a wurtzite structure at normal temperature and pressure, and is a core material of a blue light emitting diode in the current semiconductor illumination. In the third generation of power devices represented by GaN, the thermal effect causes the high power performance advantage to be far underdeveloped, and efficient thermal management technology needs to be developed.
The defects of the power device in the prior art are as follows:
1. patent document CN207068868U discloses a silicon-based gallium nitride power device, which comprises a substrate, a buffer layer and an epitaxial layer, wherein the substrate has a curvature of 280-290km -1 The silicon of (2) can solve the wafer warpage problem caused by large mismatch between a silicon substrate and gallium nitride, the buffer layer is a 50nm thick composite buffer layer which comprises at least one composite layer, the composite layer is formed by stacking an AlN layer and a GaN layer from bottom to top, the buffer layer can effectively reduce stress in the epitaxial process, the generation of epitaxial cracks is reduced, a concave pattern is etched on the buffer layer, the epitaxial layer is a 200nm thick GaN epitaxial layer, the upper end of the epitaxial layer is provided with a 300nm thick AlGaN epitaxial layer, the structure has positive effects on relieving the lattice mismatch problem and overcoming the thermal mismatch problem of a silicon-based gallium nitride material, and the preparation on a silicon substrate can be greatly improvedThe performance and yield of the prepared gallium nitride epitaxial material provide technical support for the preparation of silicon-based gallium nitride devices. The lack of an overcurrent protection structure in the device ensures the safe current output by the device, improves the safety of the device,
2. patent document CN210640256U discloses a gallium nitride power device, "comprising a substrate layer, a buffer layer, a channel layer, a barrier layer, a p-type gallium nitride bulk layer and a gate metal bulk layer, which are sequentially connected from bottom to top; the gate metal block layer comprises a first gate metal layer and a second gate metal layer which are connected; the first gate metal layer is in ohmic contact with the p-type gallium nitride block layer, the second gate metal layer is in Schottky contact with the p-type gallium nitride block layer, a protection structure is lacking in the device, and the connection structure on the inner side is fixed through the closed structure, so that smooth current transmission is ensured.
3. Patent document CN105355665B discloses a gallium nitride power device and a method for manufacturing the same, "comprising: a substrate; the epitaxial layer is formed on the upper surface of the substrate, a plurality of groups of upward convex epitaxial steps are formed on the upper part of the epitaxial layer in an etching mode, and the plurality of groups of epitaxial steps are arranged at intervals along the radial direction; the first metal layers are arranged at intervals along the radial direction and staggered with the epitaxial steps; and the second metal layer comprises a plurality of groups of connecting parts and two groups of electrode parts serving as external connection wiring electrodes, wherein the plurality of groups of connecting parts are respectively formed on the upper surfaces of the epitaxial steps and the first metal layers, one group of electrode parts are communicated with the connecting parts on the epitaxial steps, and the other group of electrode parts are communicated with the connecting parts on the first metal layers. The gallium nitride power device not only reduces the occupied area of the device under the same power, but also has uniform current distribution and eliminates the overheating of the device caused by current crowding of a local area under high current driving.
4. Patent document CN214043642U discloses a gallium nitride power device with high reliability, "including the shell," be equipped with gallium nitride power device body in the shell, the top of gallium nitride power device body is equipped with the heating panel, the top of shell is equipped with the thermovent, the top fixedly connected with of heating panel a plurality of heat conduction poles, a plurality of the heat conduction pole all extends to the thermovent in set up, three all be equipped with fixed establishment between first pin and the second pin, the downside of shell is equipped with three first U type cover, the downside of shell is equipped with three second U type cover, three all be equipped with two detaching mechanism between first U type cover and its second U type cover that corresponds respectively. The heat dissipation device is reasonable in structure, and the heat dissipation device can be dissipated through the arrangement of the heat dissipation plate and the heat conduction rod, so that the damage to the heat dissipation device due to overhigh temperature is avoided; can dismantle the change through fixed establishment and disassembly body's cooperation to the pin that damages, and can protect "first pin and second pin, the device lack quickens device buffer structure, fixes the device, guarantees that the device can normal operating.
Disclosure of Invention
The utility model aims to provide a phase-change energy-storage GaN power device with thermal management protection, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a phase change energy storage's GaN power device with thermal management protection, includes brace table and casing, the lower fin is installed at the top of brace table, the casing is installed at the top of lower fin, install the mounting panel on the inner wall of casing, the circuit board is installed at the top of mounting panel, overcurrent protector is installed at the top of brace table, and overcurrent protector is located one side of lower fin;
the top of the circuit board is provided with a supporting plate, the top of the circuit board is provided with a shaping phase-change heat storage material heat absorbing plate, and the shaping phase-change heat storage material heat absorbing plate is positioned behind the supporting plate;
an insertion plate is embedded and installed at the top of the shell, and a closing cover is installed at the top of the insertion plate.
Preferably, the fixed plate is installed at the top of brace table, and the fixed plate is located the place ahead of fin down, the ventilation pipe is installed to the inboard of fixed plate, the mounting panel is installed to the inboard of ventilation pipe, the air heater is installed to the inboard of mounting panel, three groups of shock attenuation poles that the equidistance was arranged are installed through the bolt to the bottom of brace table, the bottom plate is installed to the bottom of shock attenuation pole, two sets of penetration boards are installed to the front and the back symmetry of brace table.
Preferably, a transmission pipe is installed on the outer wall of one side of the shell in a penetrating manner, a butt joint external thread opening is installed at one end of the transmission pipe, and an assembly cap is installed on the outer side of the butt joint external thread opening through threads.
Preferably, a through hole is formed in the inner side of the circuit board, a threaded rod is installed in the inner side of the through hole in a penetrating mode, and the bottom end of the threaded rod is fixedly connected with the mounting plate through a bolt.
Preferably, the electric connector is installed at the top of backup pad, the flitch is installed to the bilateral symmetry of backup pad, and the flitch passes through the bolt to be installed at the top of circuit board, the butt joint seat is installed at the top of flitch.
Preferably, the top of backup pad is installed electronic power device, electric pin is installed to electronic power device's bottom, and electric pin and electric joint butt joint, the limiting plate is installed in electronic power device's top outside, the connecting plate is installed to the bilateral symmetry of limiting plate, fixing bolt is installed in the inboard penetration of connecting plate, and fixing bolt's bottom is installed in the inboard of butt joint seat through the bolt.
Preferably, the top of the shaping phase-change heat storage material heat absorption plate is provided with a heat conduction plate, the front and the back of the heat conduction plate are provided with heat dissipation plates, one side of the heat dissipation plate is provided with a mounting frame, and the inner side of the mounting frame is provided with a fan through a connecting rod.
Preferably, a plurality of groups of upper radiating fins which are equidistantly arranged are arranged at the top of the sealing cover, a supporting seat is arranged at the top end of each upper radiating fin, and an insulating handle is arranged at the top of each supporting seat.
Preferably, the indicator lamp is installed at the top of overcurrent protector, control button is installed to one side of overcurrent protector, two sets of butt joints of symmetry installation are installed at the top of overcurrent protector, and two sets of butt joints are located the place ahead and the rear of indicator lamp.
Preferably, the working steps of the power device are as follows:
s1, a user places the device at a designated position, the device is fixed by penetrating through the inner side of the penetrating plate through the bolt, the bottom plate is convenient to fix, the bottom plate is convenient to support a damping rod at the top, a spring structure is arranged in the damping rod, the device is highly damped in extrusion, the device is improved to play a role in reducing vibration of the device, stable running of the device is ensured, the damping rod provides damping for a supporting table at the top, the supporting table is fixed to a lower radiating fin at the top, stability of the lower radiating fin is ensured, the lower radiating fin is convenient to install a shell at the top, and stability of the shell is improved;
s2, the top of the inner side mounting plate of the shell penetrates through the inner side of the through hole through the threaded rod, the circuit board is fixed at the top of the mounting plate, the stability of the circuit board is improved, the circuit board can stably run, the circuit board supports the supporting plate at the top, the stability of the supporting plate is guaranteed, the electric connector at the top of the supporting plate is in embedded butt joint with the bottom end of the electric connector foot, the connection tightness of the device is guaranteed, the normal transmission of current is facilitated, the limiting plate limiting rail is arranged on the outer side of the top of the electronic power device, the connecting plates on two sides are fixed, the fixing bolts penetrate through the inner side of the connecting plates, then the bottom ends of the fixing bolts are arranged on the inner side of the butt joint seat through bolts, the electronic power device is conveniently installed on the components, meanwhile, the electronic power device can stably run through the butt joint seat to the circuit board, the electronic power device transmits current through the butt joint seat,
s3, in the running process of the circuit board, a large amount of heat is generated inside the circuit board, the heat absorbing plate made of the shaped phase-change heat storage material is stuck to the top of the circuit board in a large area, the stability of the heat absorbing plate made of the shaped phase-change heat storage material is guaranteed, the heat on the circuit board is absorbed by the heat absorbing plate made of the shaped phase-change heat storage material and then is transmitted to the inside of the heat conducting plate, the heat is transmitted to the heat radiating plate by the heat conducting plate, the heat is quickly transmitted to the air through the heat radiating plate, so that the heat radiating speed of the circuit board is accelerated, meanwhile, the mounting frame is fixed to the fan on the inner side, the fan is guaranteed to stably run, the fan is blown to the air to move, the heat radiating speed of the heat radiating plate is accelerated by being guided by the mounting frame, and the circuit board is kept to normally run;
s4, connecting an input line to the inner side of a butt joint external thread port of an input end of the device, conveniently transmitting current through a transmission pipe by the butt joint external thread port, then transmitting the current to the inside of the device, then transmitting the output current out of the butt joint external thread port of the output end to the inside of an overcurrent protector through a circuit, connecting the butt joint with the circuit through the overcurrent protector to ensure normal transmission of the current, detecting the current through the overcurrent protector, and sending warning light rays by an indicator lamp when the voltage on the current exceeds a specified range, wherein an early warning mechanism in the overcurrent protector can automatically disconnect the connection of the circuit, so that the safety of the circuit is ensured.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the overcurrent protector is arranged and connected with the circuit through the butt joint, so that normal transmission of current is ensured, the overcurrent protector is used for detecting the current, when the voltage on the current exceeds a specified range, the indicator lamp sends out warning light, and an early warning mechanism in the overcurrent protector can automatically disconnect the circuit, so that the safety of the circuit is ensured.
2. According to the utility model, the assembly cap is arranged, the shell is used for fixing the transmission pipe, so that the stability of the transmission pipe is ensured, after the external electrical structure is inserted into the inner side of the butt joint external threaded port, the assembly cap is sleeved outside the external electrical structure and is arranged on the butt joint external threaded port through threads, the external electrical structure is fixed, the connection firmness of the device is ensured, and the device is prevented from loosening in long-time use.
3. According to the utility model, the electronic power device is arranged, the fixing bolt penetrates through the inner side of the connecting plate, then the bottom end of the fixing bolt is arranged on the inner side of the butt joint seat through the bolt, so that a worker can conveniently install the limiting plate, the electronic power device is positioned and fixed through the limiting plate, the electronic power device can be ensured to stably run, and the electronic power device transmits current to the circuit board through the butt joint seat.
4. According to the utility model, the damping rod is arranged, the bottom plate supports the damping rod at the top, the spring structure is arranged in the damping rod, the device is highly damped, the device is improved to play a role in reducing vibration of the device, the device can stably run, and the damping rod provides damping for the supporting table at the top.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a support table according to the present utility model;
FIG. 3 is a schematic diagram of a circuit board structure according to the present utility model;
FIG. 4 is a schematic view of a housing structure according to the present utility model;
FIG. 5 is a schematic view of a transfer tube structure according to the present utility model;
FIG. 6 is a schematic diagram of an electronic power device according to the present utility model;
FIG. 7 is a schematic diagram of a heat absorber plate structure of a shaped phase change heat storage material of the present utility model;
fig. 8 is a schematic structural view of an overcurrent protector according to the utility model.
In the figure: 1. a support table; 101. a fixing plate; 102. a ventilation pipe; 103. a support plate; 104. a heat radiation fan; 105. a shock-absorbing rod; 106. a bottom plate; 107. penetrating the board; 2. a housing; 201. a lower fin; 202. a mounting plate; 203. a transmission tube; 204. butting an external thread port; 205. assembling a cap; 3. a circuit board; 301. a through hole; 302. a threaded rod; 4. a support plate; 401. an electrical connector; 402. pasting a board; 403. a butt joint seat; 5. an electronic power device; 501. an electrical pin; 502. a limiting plate; 503. a connecting plate; 504. a fixing bolt; 6. shaping a phase change heat storage material heat absorption plate; 601. a heat conductive plate; 602. a heat dissipation plate; 603. a mounting frame; 604. a fan; 7. a closing cap; 701. an insertion plate; 702. an upper fin; 703. a support base; 704. an insulating handle; 8. an overcurrent protector; 801. an indicator light; 802. a control button; 803. and (5) butt joint.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 2, 4 and 5, an embodiment of the present utility model is provided: a phase-change energy-storage GaN power device with thermal management protection;
the first embodiment comprises a supporting table 1 and a shell 2, wherein a fixing plate 101 is arranged at the top of the supporting table 1, the fixing plate 101 is positioned in front of a lower radiating fin 201, a ventilating pipe 102 is arranged at the inner side of the fixing plate 101, a supporting plate 103 is arranged at the inner side of the ventilating pipe 102, a radiating fan 104 is arranged at the inner side of the supporting plate 103, three groups of damping rods 105 which are equidistantly arranged are arranged at the bottom of the supporting table 1 through bolts, a bottom plate 106 is arranged at the bottom end of the damping rods 105, two groups of penetrating plates 107 are symmetrically arranged at the front and the back of the supporting table 1, the device is placed at a designated position, the device is fixed through the inner side of the penetrating plates 107 through bolts, the bottom plate 106 is conveniently fixed, the damping rods 105 at the top are conveniently supported by the bottom plate 106, a spring structure is arranged inside the damping rods 105, the device has strong damping performance, the function of reducing the vibration of the device is improved, the device can be ensured to stably run, the damping rod 105 provides damping for the supporting table 1 at the top, the supporting table 1 is fixed on the lower radiating fin 201 at the top, the stability of the lower radiating fin 201 is ensured, the lower radiating fin 201 is convenient to install the shell 2 at the top, the stability of the shell 2 is improved, the lower radiating fin 201 is installed at the top of the supporting table 1 and is used for conducting the heat in the shell 2, the device is convenient to conduct out the heat, the fixing plate 101 is used for fixing the support plate 103 at the inner side through the ventilation pipe 102, the support plate 103 is convenient to fix the radiating fan 104, the radiating fan 104 can stably run, the radiating fan 104 accelerates the flow of air current, the device is convenient to radiate, the shell 2 is installed at the top of the lower radiating fin 201, the transmission pipe 203 is installed on the outer wall of one side of the shell 2 in a penetrating way, the butt joint external screw thread mouth 204 is installed to the one end of transmission pipe 203, the equipment cap 205 is installed through the screw thread in the outside of butt joint external screw thread mouth 204, and casing 2 fixes transmission pipe 203, guarantees the stability of conveyer pipe 203, inserts the inboard back of butt joint external screw thread mouth 204 at outside electrical structure, and equipment cap 205 cover is outside external electrical structure, installs on butt joint external screw thread mouth 204 through the screw thread, fixes outside electrical structure, guarantees the fastness of device connection, avoids the device to take place not hard up in long-time use.
Referring to fig. 1 and 8, an embodiment of the present utility model is provided: a phase-change energy-storage GaN power device with thermal management protection;
the second embodiment includes a supporting table 1 and a housing 2, the top of the supporting table 1 is provided with an overcurrent protector 8, the overcurrent protector 8 is located at one side of the lower radiating fin 201, the top of the overcurrent protector 8 is provided with an indicator lamp 801, one side of the overcurrent protector 8 is provided with a control button 802, the top of the overcurrent protector 8 is provided with two groups of butt joints 803 which are symmetrically installed, the two groups of butt joints 803 are located in front of and behind the indicator lamp 801, the overcurrent protector 8 is fixed at the top of the supporting table 1 to ensure the stability of the device, an input line is connected to the inner side of a butt joint external thread port 204 of an input end of the device, the butt joint external thread port 204 is convenient for transmitting current through a transmission tube 203, then the current is transmitted to the inside of the device, then the output current is transmitted out of the butt joint external thread port 204 of an output end and is transmitted to the inside of the overcurrent protector 8 through a circuit, the overcurrent protector 8 is connected with the circuit through the butt joints 803, the normal transmission of the current is ensured, the overcurrent protector 8 detects the current, when the voltage on the current exceeds a specified range, the indicator lamp 801 automatically indicates that the inside the circuit is disconnected, and the safety warning mechanism is ensured;
referring to fig. 1, 3, 4, 6 and 7, an embodiment of the present utility model is provided: a phase-change energy-storage GaN power device with thermal management protection;
the third embodiment comprises a supporting table 1 and a shell 2, wherein a mounting plate 202 is mounted on the inner wall of the shell 2, a circuit board 3 is mounted on the top of the mounting plate 202, a through hole 301 is formed in the inner side of the circuit board 3, a threaded rod 302 is mounted on the inner side of the through hole 301 in a penetrating manner, the bottom end of the threaded rod 302 is fixedly connected with the mounting plate 202 through a bolt, a supporting plate 4 is mounted on the top of the circuit board 3, an electric connector 401 is mounted on the top of the supporting plate 4, a flitch 402 is symmetrically mounted on two sides of the supporting plate 4, the flitch 402 is mounted on the top of the circuit board 3 through a bolt, a butt joint seat 403 is mounted on the top of the flitch 402, an electronic power device 5 is mounted on the top of the supporting plate 4, an electric pin 501 is mounted on the bottom of the electronic power device 5 and is in butt joint with the electric connector 401, limiting plates 502 are arranged on the outer sides of the tops of the electronic power devices 5, connecting plates 503 are symmetrically arranged on two sides of the limiting plates 502, fixing bolts 504 are arranged on the inner sides of the connecting plates 503 in a penetrating mode, the tops of inner side mounting plates 202 of the shell 2 penetrate through the inner sides of the through holes 301 through threaded rods 302, circuit boards 3 are fixed on the tops of the mounting plates 202, stability of the circuit boards 3 is improved, the circuit boards 3 can be guaranteed to stably run, the circuit boards 3 support supporting plates 4 on the tops, stability of the supporting plates 4 is guaranteed, electric joints 401 on the tops of the supporting plates 4 are embedded and butted with the bottoms of the electric pins 501, connection tightness of the device is guaranteed, normal transmission of current is facilitated, the outer sides of the tops of the electronic power devices 5 are fixed through limiting rails of the limiting plates 502, fixing bolts 504 penetrate through the inner sides of the connecting plates 503 by workers, then the bottom end of the fixing bolt 504 is arranged on the inner side of the butt joint seat 403 through the bolt, so that the workers can conveniently install the components, meanwhile, the electronic power device 5 is positioned and fixed through the limiting plate 502, the electronic power device 5 can stably run, the electronic power device 5 transmits current to the circuit board 3 through the butt joint seat 403, the circuit board 3 transmits current, the bottom end of the fixing bolt 504 is arranged on the inner side of the butt joint seat 403 through the bolt, the shaped phase-change heat storage material heat-absorbing plate 6 is arranged on the top of the circuit board 3, the shaped phase-change heat storage material heat-absorbing plate 6 is positioned at the rear of the supporting plate 4, the top of the shaped phase-change heat storage material heat-absorbing plate 6 is provided with the heat-conducting plate 601, the front and the back of the heat-conducting plate 601 are provided with the heat-radiating plate 602, one side of the heat-radiating plate 602 is provided with the mounting frame 603, the fan 604 is installed on the inner side of the installation frame 603 through a connecting rod, the heat on the circuit board 3 is sucked out by the fixed phase-change heat storage material heat-absorbing plate 6, the heat is transferred to the heat-conducting plate 601, the heat is transferred to the heat-radiating plate 602, and the heat is quickly transferred to the air through the heat-radiating plate 602, so that the heat-radiating speed of the circuit board 3 is accelerated, meanwhile, the installation frame 603 fixes the fan 604 on the inner side, the fan 604 is ensured to run stably, the fan 604 blows to the air to move, the heat is transferred to the periphery of the heat-radiating plate 602 by being guided by the installation frame 603, the heat-radiating speed of the heat-radiating plate 602 is accelerated, and the normal operation of the circuit board 3 is maintained;
referring to fig. 1 and 4, an embodiment of the present utility model is provided: a phase-change energy-storage GaN power device with thermal management protection;
fourth embodiment, including casing 2, the top gomphosis of casing 2 is installed and is inserted board 701, closing cap 7 is installed at the top of inserting board 701, a plurality of groups of equidistance are arranged's last fin 702 is installed at the top of closing cap 7, and supporting seat 703 is installed on the top of going up fin 702, insulating handle 704 is installed at the top of supporting seat 703, and closing cap 7 passes through inserting board 701 and installs at the top of casing 2, guarantees the leakproofness of device, goes up fin 702 and is used for giving out the inside heat of device, and supporting seat 703 is fixed to insulating handle 704 at top, makes things convenient for the workman to grasp equipment when the electric leakage, guarantees workman safety.
The working steps of the power device are as follows:
s1, a user places the device at a designated position, the device is fixed by penetrating through the inner side of the penetrating plate 107 through bolts, the bottom plate 106 is convenient to fix, the bottom plate 106 is convenient to support the damping rod 105 at the top, a spring structure is arranged in the damping rod 105, the device has strong damping performance in extrusion, the device is improved to play a role in reducing vibration of the device, stable running of the device is ensured, the damping rod 105 provides damping performance for the supporting table 1 at the top, the supporting table 1 is fixed to the lower cooling fin 201 at the top, stability of the lower cooling fin 201 is ensured, the lower cooling fin 201 is convenient to install the shell 2 at the top, and stability of the shell 2 is improved;
s2, the top of the inner mounting plate 202 of the shell 2 penetrates through the inner side of the through hole 301 through the threaded rod 302, the circuit board 3 is fixed at the top of the mounting plate 202, the stability of the circuit board 3 is improved, the circuit board 3 can stably run, the circuit board 3 supports the supporting plate 4 at the top, the stability of the supporting plate 4 is guaranteed, the electric connector 401 at the top of the supporting plate 4 is embedded and butted with the bottom end of the electric pin 501, the connection tightness of the device is guaranteed, normal transmission of current is facilitated, the outer side of the top of the electronic power device 5 is limited by the limiting plate 502, the connecting plates 503 at the two sides are fixed, a worker penetrates the fixing bolt 504 through the inner side of the connecting plate 503, then the bottom end of the fixing bolt 504 is arranged on the inner side of the opposite base 403 through the bolt, the component is conveniently installed by the worker, meanwhile, the electronic power device 5 can stably run through the positioning and fixing of the limiting plate 502, the electronic power device 5 transmits current to the circuit board 3 through the opposite base 403,
s3, in the operation process of the circuit board 3, a large amount of heat is generated inside, the shaping phase-change heat storage material heat absorbing plate 6 is stuck to the top of the circuit board 3 in a large area, the stability of the shaping phase-change heat storage material heat absorbing plate 6 is guaranteed, the shaping phase-change heat storage material heat absorbing plate 6 sucks out heat on the circuit board 3, then the heat is transmitted into the heat conducting plate 601, the heat is transmitted to the heat radiating plate 602 through the heat conducting plate 601, the heat is rapidly transmitted into the air through the heat radiating plate 602, so that the heat radiating speed of the circuit board 3 is accelerated, meanwhile, the mounting frame 603 fixes the fan 604 on the inner side, the fan 604 is guaranteed to stably operate, the fan 604 is blown to the air to move, the heat is guided to be transmitted to the periphery of the heat radiating plate 602 through the mounting frame 603, the heat radiating speed of the heat radiating plate 602 is accelerated, and the normal operation of the circuit board 3 is maintained;
s4, the input line is connected to the inner side of the butt joint external thread port 204 of the input end of the device, the butt joint external thread port 204 is convenient to transmit current through the transmission pipe 203, then the current is transmitted to the inside of the device, then the output current is transmitted out of the butt joint external thread port 204 of the output end and is transmitted to the inside of the overcurrent protector 8 through the line, the overcurrent protector 8 is connected with the line through the butt joint 803, normal transmission of the current is guaranteed, the current is detected through the overcurrent protector 8, when the voltage on the current exceeds the specified range, the indicator lamp 801 sends out warning light, the early warning mechanism in the overcurrent protector 8 can automatically disconnect the line, and the safety of the line is guaranteed.
Working principle: the user places the device at a designated position, the device is fixed through the inner side of the penetrating plate 107 by bolts, the bottom plate 106 is conveniently fixed, the bottom plate 106 is conveniently supported by the shock absorbing rod 105 at the top, the spring structure is arranged in the shock absorbing rod 105, the device is highly extruded and shock-absorbing, the device is improved to play a role in reducing vibration of the device, the device can stably run, the shock absorbing rod 105 provides shock absorption for the supporting table 1 at the top, the supporting table 1 is fixed on the lower radiating fin 201 at the top, the stability of the lower radiating fin 201 is ensured, the lower radiating fin 201 is conveniently installed on the shell 2 at the top, the stability of the shell 2 is improved, the top of the inner side mounting plate 202 of the shell 2 penetrates through the inner side of the penetrating plate 301 by the threaded rod 302, the circuit board 3 is fixed at the top of the mounting plate 202, the stability of the circuit board 3 is improved, the circuit board 3 can stably run, the circuit board 3 provides support for the supporting plate 4 at the top, the stability of the supporting plate 4 is ensured, the electric joint 401 at the top of the supporting plate 4 is in embedded butt joint with the bottom end of the electric pin 501, the connection tightness of the device is ensured, the normal transmission of current is convenient, the top outer side of the electronic power device 5 is limited by the track through the limiting plate 502, the connecting plates 503 at the two sides are fixed, the fixing bolts 504 penetrate through the inner sides of the connecting plates 503 by workers, then the bottom ends of the fixing bolts 504 are arranged on the inner sides of the butt joint seats 403 by bolts, the installation of components by workers is convenient, the electronic power device 5 is positioned and fixed through the limiting plate 502, the stable operation of the electronic power device 5 is ensured, the electronic power device 5 transmits the current to the circuit board 3 through the butt joint seats 403, the current is transmitted by the circuit board 3 in the operation process of the circuit board 3, the inside can produce a large amount of heat, paste the top at circuit board 3 by design phase change heat storage material absorber plate 6 large tracts of land, guarantee the stability of design phase change heat storage material absorber plate 6, the heat on the circuit board 3 is sucked out by design phase change heat storage material absorber plate 6, then transfer the heat to the inside of heat conduction board 601, conduct the heat by heat conduction board 601, transfer the heat to heating panel 602 on, transfer the heat to the air fast through heating panel 602, thereby accelerate the radiating rate of circuit board 3, simultaneously, the fan 604 of inboard is fixed to installing frame 603, guarantee fan 604 steady operation, fan 604 blows air movement, guide the transmission to the surrounding of heating panel 602 by installing frame 603, accelerate the radiating rate of heating panel 602, keep circuit board 3 normal operating, connect the input line to the inboard of butt joint external screw thread mouth 204 of device input end, conveniently butt joint external screw thread mouth 204 carries out the transmission electric current through transfer tube 203, then transfer the electric current to the inside of device, then the electric current output end's butt joint external screw thread mouth 204, through the circuit transmission to the inside of overcurrent protector 8, by overcurrent protector 8 through the assurance that connects with the face-to-face protection circuit 8, when the normal light through the detector circuit 803 is connected with the normal, the normal light of the safety warning line 801 that the safety warning line is opened, when the normal, warning line 801 is opened, the warning line is automatically, the warning device is opened, and the normal, when the safety warning line is opened, and the safety device is opened, and the warning line is automatically, and the device is opened, and the device
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a phase change energy storage's GaN power device with thermal management protection, includes brace table (1) and casing (2), its characterized in that: the top of the supporting table (1) is provided with a lower radiating fin (201), the top of the lower radiating fin (201) is provided with a shell (2), the inner wall of the shell (2) is provided with a mounting plate (202), the top of the mounting plate (202) is provided with a circuit board (3), the top of the supporting table (1) is provided with an overcurrent protector (8), and the overcurrent protector (8) is positioned on one side of the lower radiating fin (201);
the top of the circuit board (3) is provided with a supporting plate (4), the top of the circuit board (3) is provided with a heat absorbing plate (6), and the heat absorbing plate (6) is positioned behind the supporting plate (4);
an insertion plate (701) is embedded and installed at the top of the shell (2), and a closing cover (7) is installed at the top of the insertion plate (701);
the top of the supporting table (1) is provided with a fixing plate (101), the fixing plate (101) is positioned in front of a lower radiating fin (201), the inner side of the fixing plate (101) is provided with a ventilation pipe (102), the inner side of the ventilation pipe (102) is provided with a support plate (103), the inner side of the support plate (103) is provided with a radiating fan (104), the bottom of the supporting table (1) is provided with three groups of damping rods (105) which are equidistantly arranged through bolts, the bottom end of each damping rod (105) is provided with a bottom plate (106), and the front side and the back side of the supporting table (1) are symmetrically provided with two groups of penetrating plates (107);
a transmission pipe (203) is arranged on the outer wall of one side of the shell (2) in a penetrating manner, a butt joint external thread opening (204) is arranged at one end of the transmission pipe (203), and an assembly cap (205) is arranged on the outer side of the butt joint external thread opening (204) through threads;
the heat-absorbing plate is characterized in that a heat-conducting plate (601) is arranged at the top of the heat-absorbing plate (6), a heat-radiating plate (602) is arranged on the front surface and the back surface of the heat-conducting plate (601), a mounting frame (603) is arranged on one side of the heat-radiating plate (602), and a blower (604) is arranged on the inner side of the mounting frame (603) through a connecting rod.
2. The phase-change energy-storage GaN power device with thermal management protection of claim 1, wherein: the inner side of the circuit board (3) is provided with a through hole (301), the inner side of the through hole (301) is provided with a threaded rod (302) in a penetrating mode, and the bottom end of the threaded rod (302) is fixedly connected with the mounting plate (202) through a bolt.
3. The phase-change energy-storage GaN power device with thermal management protection of claim 1, wherein: the electric connector (401) is installed at the top of backup pad (4), flitch (402) are installed to the bilateral symmetry of backup pad (4), and flitch (402) are installed at the top of circuit board (3) through the bolt, butt joint seat (403) are installed at the top of flitch (402).
4. The phase-change energy-storage GaN power device with thermal management protection of claim 1, wherein: electronic power device (5) are installed at the top of backup pad (4), electric pin (501) are installed to the bottom of electronic power device (5), and electric pin (501) are docked with electric joint (401), limiting plate (502) are installed in the top outside of electronic power device (5), connecting plate (503) are installed to the bilateral symmetry of limiting plate (502), fixing bolt (504) are installed in the inboard run through of connecting plate (503), and the inboard at docking station (403) is installed through the bolt in the bottom of fixing bolt (504).
5. The phase-change energy-storage GaN power device with thermal management protection of claim 1, wherein: the top of closing cap (7) is installed a plurality of groups of equidistance and is arranged last fin (702), and supporting seat (703) are installed on the top of going up fin (702), insulating handle (704) are installed at the top of supporting seat (703).
6. The phase-change energy-storage GaN power device with thermal management protection of claim 1, wherein: an indicator lamp (801) is arranged at the top of the overcurrent protector (8), a control button (802) is arranged on one side of the overcurrent protector (8), two groups of symmetrically-arranged butt joints (803) are arranged at the top of the overcurrent protector (8), and the two groups of butt joints (803) are positioned in front of and behind the indicator lamp (801).
7. The GaN power device with thermal management protection of phase change energy storage according to any of claims 1-6, characterized in that the working steps of the power device are as follows:
s1, a user places the device at a designated position, the device is fixed through penetrating through the inner side of the penetrating plate (107) through bolts, the bottom plate (106) is conveniently fixed, the bottom plate (106) is conveniently supported by the damping rod (105) at the top, a spring structure is arranged in the damping rod (105), the device is highly damped in extrusion, the device is improved to play a role in reducing vibration of the device, the device can stably run, the damping rod (105) provides damping for the supporting table (1) at the top, the supporting table (1) is fixed to the lower radiating fin (201) at the top, the stability of the lower radiating fin (201) is guaranteed, the lower radiating fin (201) is conveniently installed on the shell (2) at the top, and the stability of the shell (2) is improved;
s2, the top of the inner side mounting plate (202) of the shell (2) penetrates through the inner side of the through hole (301) through the threaded rod (302), the circuit board (3) is fixed at the top of the mounting plate (202), the stability of the circuit board (3) is improved, the circuit board (3) can stably run, the circuit board (3) supports the supporting plate (4) at the top, the stability of the supporting plate (4) is guaranteed, the electric connector (401) at the top of the supporting plate (4) is jogged and butted with the bottom end of the electric pin (501), the connection tightness of the device is guaranteed, normal transmission of current is facilitated, the outer side of the top of the electronic power device (5) is fixed to the connecting plates (503) at two sides through the limiting plate (502), a worker penetrates through the fixing bolt (504) to the inner side of the connecting plates (503), then the bottom end of the fixing bolt (504) is mounted on the inner side of the butt joint seat (403) through the bolt, the worker can conveniently mount components, meanwhile, the electronic power device (5) can stably run through the limiting plate (502) to fix the electronic power device (5), the electronic power device (5) in a stable running mode, the current is guaranteed, the current can be transmitted to the circuit board (3) through the circuit board (3),
s3, in the running process of the circuit board (3), a large amount of heat is generated inside, the heat absorbing plate (6) is stuck to the top of the circuit board (3) in a large area, the stability of the heat absorbing plate (6) is guaranteed, the heat on the circuit board (3) is sucked out by the heat absorbing plate (6), then the heat is transmitted to the inside of the heat conducting plate (601), the heat is transmitted to the heat radiating plate (602) by the heat conducting plate (601), the heat is quickly transmitted to the air through the heat radiating plate (602), so that the heat radiating speed of the circuit board (3) is accelerated, meanwhile, the mounting frame (603) is fixed to the blower (604) on the inner side, the blower (604) is guaranteed to run stably, the blower (604) is blown to air to move, the periphery of the heat radiating plate (602) is guided by the mounting frame (603), the heat radiating speed of the heat radiating plate (602) is accelerated, and the normal running of the circuit board (3) is maintained.
S4, the input line is connected to the inner side of a butt joint external thread port (204) of the input end of the device, the butt joint external thread port (204) is convenient to transmit current through a transmission pipe (203), then the current is transmitted to the inside of the device, then the output current is transmitted out of the butt joint external thread port (204) of the output end and is transmitted to the inside of an overcurrent protector (8) through a circuit, the overcurrent protector (8) is connected with the circuit through a butt joint (803) to ensure the normal transmission of the current, the overcurrent protector (8) detects the current, when the voltage on the current exceeds a specified range, an indicator lamp (801) emits warning light, and an early warning mechanism in the overcurrent protector (8) can automatically disconnect the circuit to ensure the safety of the circuit.
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| CN202210234244.0A CN114599182B (en) | 2022-03-10 | 2022-03-10 | GaN power device with thermal management protection and phase change energy storage functions |
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| CN115426836B (en) * | 2022-08-16 | 2023-10-13 | 海安天一智控设备有限公司 | Intelligent electric control system equipment of continuous production line |
| CN117134090A (en) * | 2023-10-09 | 2023-11-28 | 江苏神州半导体科技有限公司 | High-power combiner convenient for disassembly and assembly heat dissipation |
| CN117308658B (en) * | 2023-10-24 | 2024-06-04 | 中国电子科技集团公司第二十六研究所 | Integrated phase change heat storage component and manufacturing method |
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| CN114039177A (en) * | 2021-11-10 | 2022-02-11 | 南通联航通讯科技有限公司 | Filter assembly with stable connection effect of wire harness |
| CN114001334A (en) * | 2021-12-06 | 2022-02-01 | 嘉兴南湖学院 | Railway carriage distributed LED power supply with intelligently adjustable power |
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