CN114599182A - Phase change energy storage GaN power device with thermal management protection - Google Patents
Phase change energy storage GaN power device with thermal management protection Download PDFInfo
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- CN114599182A CN114599182A CN202210234244.0A CN202210234244A CN114599182A CN 114599182 A CN114599182 A CN 114599182A CN 202210234244 A CN202210234244 A CN 202210234244A CN 114599182 A CN114599182 A CN 114599182A
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- circuit board
- power device
- butt joint
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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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- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a GaN power device with heat management protection and phase change cooling, which comprises a support table and a shell, wherein a lower radiating fin is arranged at the top of the support table, the shell is arranged at the top of the lower radiating fin, an installation plate is arranged on the inner wall of the shell, a circuit board is arranged at the top of the installation plate, an overcurrent protector is arranged at the top of the support table, and the overcurrent protector is positioned on one side of the lower radiating fin; the heat-absorbing plate is characterized in that a supporting plate is installed at the top of the circuit board, a shaped phase-change heat-storage material heat-absorbing plate is installed at the top of the circuit board, and the shaped phase-change heat-storage material heat-absorbing plate is located behind the supporting plate. The overcurrent protector is arranged, the overcurrent protector is connected with a circuit through the butt joint, normal transmission of current is guaranteed, the current is detected through the overcurrent protector, when the voltage on the current exceeds a specified range, the indicating lamp emits warning light, an early warning mechanism in the overcurrent protector can automatically disconnect the circuit, and the safety of the circuit is guaranteed.
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, such as an electronic component in an output-stage power amplifier in a large-sound system, belongs to a power device, GaN is gallium nitride, is of a wurtzite structure at normal temperature and normal pressure, and is a core material of a blue light emitting diode in the current semiconductor illumination. For the third generation power devices represented by GaN, the high-power performance advantage is not fully developed due to the thermal effect, and a high-efficiency thermal management technology needs to be developed.
The power device in the prior art has the following defects:
1. patent document CN207068868U discloses a silicon-based gallium nitride power device "comprising a substrate, a buffer layer and an epitaxial layer, wherein the substrate has a curvature of 280--1The silicon can solve the problem of wafer warpage caused by large mismatch between a silicon substrate and gallium nitride, the buffer layer is a composite buffer layer with the thickness of 50nm and 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 and reduce the generation of epitaxial cracks, a concave pattern is etched on the buffer layer, the epitaxial layer is a GaN epitaxial layer with the thickness of 200nm, and the upper end of the buffer layer is provided with an AlGaN epitaxial layer with the thickness of 300 nm. The internal of the device lacks of an overcurrent protection structure, thereby ensuring that the device outputs safe current, improving 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 block layer and a gate metal block layer, which are connected in sequence 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 grid metal layer is in ohmic contact with the p-type gallium nitride block layer, the second grid metal layer is in Schottky contact with the p-type gallium nitride block layer, a protection structure is absent in the device, the inner side connecting structure is fixed through a closed structure, and the current can be smoothly transmitted.
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 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 used as external connecting wire electrodes, 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 is communicated with the connecting parts on the epitaxial steps, and the other group of electrode parts is 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 overheating of the device caused by current crowding in a local area under the drive of high current.
4. Patent document CN214043642U discloses a gallium nitride power device that reliability is high, "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 fixed connection of heating panel has a plurality of heat conduction poles, and is a plurality of the heat conduction pole all extends to setting in the thermovent, and is 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, and the downside of shell is equipped with three second U type cover, and is three first U type cover all is equipped with two disassembly body between rather than the second U type cover that corresponds respectively. The heat dissipation device is reasonable in structure, the device can be dissipated through the arrangement of the heat dissipation plate and the heat conduction rod, and the device is prevented from being damaged due to overhigh temperature; can dismantle the change to the pin of damage through fixed establishment and disassembly body's cooperation, and can protect first pin and second pin ", the device lack accelerates device buffer structure, fixes the device, guarantees that the device can normal operating.
Disclosure of Invention
The present invention is directed to a GaN power device with phase change energy storage for thermal management protection, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a GaN power device with phase change energy storage of thermal management protection comprises a support table and a shell, wherein a lower radiating fin is mounted at the top of the support table, the shell is mounted at the top of the lower radiating fin, a mounting plate is mounted on the inner wall of the shell, a circuit board is mounted at the top of the mounting plate, an overcurrent protector is mounted at the top of the support table, and the overcurrent protector is positioned on one side of the lower radiating fin;
the top of the circuit board is provided with a supporting plate, the top of the circuit board is provided with a heat absorbing plate made of a shaped phase-change heat storage material, and the heat absorbing plate made of the shaped phase-change heat storage material is positioned behind the supporting plate;
the top of the shell is embedded with an insertion plate, and the top of the insertion plate is provided with a sealing cover.
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, cooling fan is installed to the inboard of mounting panel, three shock attenuation poles that the equidistance was arranged are installed through the bolt in the bottom of brace table, the bottom plate is installed to the bottom of shock attenuation pole, two sets of through plates are installed to the front and the back symmetry of brace table.
Preferably, a transmission pipe penetrates through the outer wall of one side of the shell, a butt joint external thread port 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 port through threads.
Preferably, a through hole is formed in the inner side of the circuit board, a threaded rod penetrates through the inner side of the through hole, and the bottom end of the threaded rod is fixedly connected with the mounting plate through a bolt.
Preferably, the top of backup pad is installed and is connect the electricity, the bilateral symmetry of backup pad is installed and is pasted the board, and the flitch passes through the bolt and installs the top at the circuit board, the butt joint seat is installed at the top of flitch.
Preferably, electronic power device is installed at the top of backup pad, the electric property pin is installed to electronic power device's bottom, and electric property pin and electricity connect the butt joint, the limiting plate is installed to electronic power device's top outside, the connecting plate is installed to the bilateral symmetry of limiting plate, the inboard of connecting plate is run through and is installed fixing bolt, and fixing bolt's bottom is passed through the bolt and is installed the inboard of butt joint seat.
Preferably, the heat-conducting plate is installed at the top of design phase change heat-retaining material absorber plate, the heating panel is installed to the front and the back of heat-conducting plate, the installing frame is installed to one side of heating panel, the fan is installed through the connecting rod in the inboard of installing frame.
Preferably, a plurality of groups of upper radiating fins which are arranged at equal intervals are installed at the top of the sealing cover, a supporting seat is installed at the top end of each upper radiating fin, and an insulating handle is installed at the top of each supporting seat.
Preferably, an indicator lamp is installed at the top of the overcurrent protector, a control button is installed at one side of the overcurrent protector, two symmetrically installed butt joints are installed at the top of the overcurrent protector, and the two butt joints are located in front of and behind the indicator lamp.
Preferably, the operation steps of the power device are as follows:
s1, a user places the device at an appointed position, the device is fixed by penetrating through the inner side of the through plate through a bolt, the bottom plate is convenient to fix, the bottom plate is convenient to support the shock-absorbing rod at the top, a spring structure is arranged in the shock-absorbing rod, the device extrudes strong shock-absorbing performance, the effect of reducing the vibration of the device is improved, the device can be ensured to run stably, the shock-absorbing rod provides shock-absorbing performance for the supporting table at the top, the supporting table fixes the lower radiating fins at the top, the stability of the lower radiating fins is ensured, the lower radiating fins are convenient to install the shell at the top, and the 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 a threaded rod, the circuit board is fixed on the top of the mounting plate, the stability of the circuit board is improved, the stable operation of the circuit board is ensured, the circuit board supports the top support plate and ensures the stability of the support plate, the electric connector on the top of the support plate is in embedded butt joint with the bottom ends of the electric pins, the connection tightness of the device is ensured, the normal transmission of current is facilitated, the outer side of the top of the electronic power device is fixed on the connecting plates on the two sides through limiting plate limiting rails, a worker penetrates through the fixing bolts through the inner sides of the connecting plates, then the bottom ends of the fixing bolts are installed on the inner side of the butt joint seat through bolts, the worker can conveniently install the components, and the electronic power device is fixed in position through the limiting plates, so as to ensure the stable operation of the electronic power device, the electronic power device transmits current to the circuit board through the butt joint seat, the circuit board transmits the current,
s3, in the operation process of the circuit board, a large amount of heat can be generated inside the circuit board, the heat absorbing plate made of the sizing phase-change heat storage material is attached to the top of the circuit board in a large area, the stability of the heat absorbing plate made of the sizing phase-change heat storage material is guaranteed, the heat on the circuit board is sucked out by the heat absorbing plate made of the sizing phase-change heat storage material, then the heat is transmitted to the inside of the heat conducting plate, the heat is conducted by the heat conducting plate, the heat is transmitted to the heat radiating plate, the heat is rapidly transmitted to the air through the heat radiating plate, the heat radiating speed of the circuit board is accelerated, meanwhile, the mounting frame fixes the fan on the inner side, the stable operation of the fan is guaranteed, the fan blows air to move, the air and is transmitted to the periphery of the heat radiating plate under the guidance of the mounting frame, the heat radiating speed of the heat radiating plate is accelerated, and the normal operation of the circuit board is maintained;
s4, the inboard of the butt joint external thread mouth with the input line connection to device input, conveniently, butt joint external thread mouth carries out transmission current through the transmission pipe, then with the inside of current transmission to the device, then the butt joint external thread mouth of the current of output goes out the output spreads, transmit the inside of overcurrent protector through the circuit, pass through butt joint and line connection by overcurrent protector, guarantee the normal transmission of current, detect the current through overcurrent protector, when voltage on the current surpasses the specified scope, the pilot lamp sends warning light, the inside early warning mechanism of overcurrent protector can the connection of automatic disconnection circuit, guarantee the safety of circuit.
Compared with the prior art, the utility model has the beneficial effects that:
1. the overcurrent protector is arranged, the overcurrent protector is connected with a circuit through the butt joint, normal transmission of current is guaranteed, the current is detected through the overcurrent protector, when the voltage on the current exceeds a specified range, the indicating lamp emits warning light, an early warning mechanism in the overcurrent protector can automatically disconnect the circuit, and the safety of the circuit is guaranteed.
2. According to the utility model, the assembling cap is arranged, the shell fixes the conveying pipe, the stability of the conveying pipe is ensured, the assembling cap is sleeved on the outer side of the external electrical structure after the external electrical structure is inserted into the inner side of the butt joint external thread opening, and is arranged on the butt joint external thread opening through threads to fix the external electrical structure, so that the connection firmness of the device is ensured, and the device is prevented from being loosened in long-time use.
3. According to the utility model, the electronic power device is installed, the fixing bolt penetrates through the inner side of the connecting plate, then the bottom end of the fixing bolt is installed on the inner side of the butt joint seat through the bolt, a worker can conveniently install the limiting plate, the electronic power device is positioned and fixed through the limiting plate, the stable operation of the electronic power device is ensured, and the electronic power device transmits current to the circuit board through the butt joint seat.
4. According to the utility model, the shock absorption rod is arranged, the bottom plate supports the shock absorption rod at the top, the spring structure is arranged in the shock absorption rod, the device extrudes strong shock absorption, the effect of reducing the shock of the device is improved, the stable operation of the device is ensured, and the shock absorption rod provides shock absorption for the supporting platform at the top.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a support stage according to the present invention;
FIG. 3 is a schematic diagram of a circuit board structure according to the present invention;
FIG. 4 is a schematic view of the housing structure of the present invention;
FIG. 5 is a schematic view of the structure of the transfer pipe of the present invention;
FIG. 6 is a schematic diagram of an electronic power device according to the present invention;
FIG. 7 is a schematic structural view of a shaped phase-change heat storage material absorber plate according to the present invention;
fig. 8 is a schematic structural diagram of the overcurrent protector of the present invention.
In the figure: 1. a support table; 101. a fixing plate; 102. a vent pipe; 103. a mounting plate; 104. a heat radiating fan; 105. a shock-absorbing lever; 106. a base plate; 107. penetrating the plate; 2. a housing; 201. a lower heat sink; 202. Mounting a plate; 203. a conveying pipe; 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 docking station; 5. an electronic power device; 501. an electrical pin; 502. a limiting plate; 503. a connecting plate; 504. Fixing the bolt; 6. shaping a heat absorption plate made of a phase-change heat storage material; 601. a heat conducting plate; 602. a heat dissipation plate; 603. Installing a frame; 604. a fan; 7. a closure cap; 701. an insert plate; 702. an upper heat sink; 703. a supporting seat; 704. an insulated handle; 8. an overcurrent protector; 801. an indicator light; 802. a control button; 803. And (6) butting joints.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships that are based on orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, an embodiment of the present invention: a GaN power device with phase change energy storage for thermal management protection;
the first embodiment comprises a supporting platform 1 and a shell 2, wherein a fixing plate 101 is installed at the top of the supporting platform 1, the fixing plate 101 is located in front of a lower radiating fin 201, an air duct 102 is installed on the inner side of the fixing plate 101, a support plate 103 is installed on the inner side of the air duct 102, a radiating fan 104 is installed on the inner side of the support plate 103, three groups of shock-absorbing rods 105 arranged at equal intervals are installed at the bottom of the supporting platform 1 through bolts, a bottom plate 106 is installed at the bottom end of the shock-absorbing rods 105, two groups of penetrating plates 107 are symmetrically installed on the front and back of the supporting platform 1, the device is placed at a specified position, the device is fixed through the inner sides of the penetrating plates 107 through the bolts, the bottom plate 106 is conveniently fixed, the shock-absorbing rods 105 at the top are conveniently supported by the bottom plate 106, a spring structure is arranged inside the shock-absorbing rods 105, and the device extrudes strong shock-absorbing performance, the device has the advantages that the device vibration reducing effect is improved, the stable operation of the device is ensured, the shock absorption rod 105 provides shock absorption for the supporting table 1 at the top, the supporting table 1 fixes the lower radiating fins 201 at the top, the stability of the lower radiating fins 201 is ensured, the lower radiating fins 201 are convenient to mount on the shell 2 at the top, the stability of the shell 2 is improved, the lower radiating fins 201 are mounted at the top of the supporting table 1, the lower radiating fins 201 are mounted on the shell 2 and used for conducting heat inside the shell 2, the device can conveniently conduct the heat, the fixing plate 101 fixes the inner support plate 103 through the ventilating pipe 102, the support plate 103 is convenient to fix the radiating fan 104, the stable operation of the radiating fan 104 is ensured, the radiating fan 104 accelerates the flow of air, the device can conveniently radiate the heat, the shell 2 is mounted at the top of the lower radiating fins 201, and the transmission pipe 203 is penetratingly mounted on the outer wall of one side of the shell 2, the butt joint external 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 thread mouth 204, and casing 2 is fixed transmission pipe 203, guarantees the stability of transmission pipe 203, and after external electric property structure inserted the inboard of butt joint external thread mouth 204, the equipment cap 205 cover is in the external electric property structure outside, through the screw thread installation on butt joint external thread mouth 204, fixes external electric property structure, guarantees the fastness of device connection, avoids the device to take place to become flexible in long-time use.
Referring to fig. 1 and 8, an embodiment of the present invention: a phase change energy storage GaN power device with thermal management protection;
the second embodiment comprises a supporting table 1 and a housing 2, wherein an overcurrent protector 8 is installed at the top of the supporting table 1, the overcurrent protector 8 is located on one side of the lower heat sink 201, an indicator lamp 801 is installed at the top of the overcurrent protector 8, a control button 802 is installed on one side of the overcurrent protector 8, two sets of butt joints 803 which are symmetrically installed are installed at the top of the overcurrent protector 8, the two sets 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 the input end of the device, so that the butt joint external thread port 204 transmits current through a transmission pipe 203, then the current is transmitted to the inside of the device, and then the output current is transmitted out of the butt joint external thread port 204 of the output end and transmitted to the inside of the overcurrent protector 8 through a line, the overcurrent protector 8 is connected with a circuit through the butt joint 803 to ensure normal transmission of current, the overcurrent protector 8 is used for detecting the current, when the voltage on the current exceeds a specified range, the indicator lamp 801 emits warning light, an early warning mechanism in the overcurrent protector 8 can automatically disconnect the circuit, and the safety of the circuit is ensured;
referring to fig. 1, fig. 3, fig. 4, fig. 6 and fig. 7, an embodiment of the present invention: a GaN power device with phase change energy storage for thermal management protection;
embodiment three, including supporting bench 1 and casing 2, install mounting panel 202 on the inner wall of casing 2, circuit board 3 is installed at the top of mounting panel 202, through hole 301 has been seted up to the inboard of circuit board 3, threaded rod 302 is installed through the inboard through hole 301, the bottom of threaded rod 302 is through bolt and mounting panel 202 fixed connection, backup pad 4 is installed at the top of circuit board 3, electric joint 401 is installed at the top of backup pad 4, flitch 402 is installed to the bilateral symmetry of backup pad 4, flitch 402 passes through the bolt and installs the top at circuit board 3, butt joint seat 403 is installed at the top of flitch 402, electronic power device 5 is installed at the top of backup pad 4, electric pin 501 is installed to the bottom of electronic power device 5, electric pin 501 docks with electric joint 401, limiting plate 502 is installed to the top outside of electronic power device 5, the two sides of the limit plate 502 are symmetrically provided with connecting plates 503, the inner side of the connecting plates 503 is provided with fixing bolts 504 in a penetrating way, the top of the inner side mounting plate 202 of the shell 2 is provided with a through hole 301 in a penetrating way through a threaded rod 302, the circuit board 3 is fixed on the top of the mounting plate 202, the stability of the circuit board 3 is improved, the circuit board 3 can stably run, the support plate 4 at the top is supported by the circuit board 3, the stability of the support plate 4 is ensured, the electric connector 401 at the top of the support plate 4 is in embedded butt joint with the bottom ends of the electric pins 501, the connection tightness of the device is ensured, the normal transmission of current is convenient, the outer side of the top of the electronic power device 5 is provided with a limit track through the limit plate 502 to fix the connecting plates 503 at the two sides, workers penetrate the fixing bolts 504 through the inner sides of the connecting plates 503, and then the bottom ends of the fixing bolts 504 are arranged on the inner sides of the butt joints 403, the installation of the components is convenient for workers, 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 current to the circuit board 3 through the butt joint seat 403, the current is transmitted through the circuit board 3, the bottom end of the fixing bolt 504 is installed on the inner side of the butt joint seat 403 through a bolt, the top of the circuit board 3 is provided with a shaped phase-change heat storage material heat absorption plate 6, the shaped phase-change heat storage material heat absorption plate 6 is positioned behind the supporting plate 4, the top of the shaped phase-change heat storage material heat absorption plate 6 is provided with a heat conduction plate 601, the front and the back of the heat conduction plate 601 are provided with heat dissipation plates 602, one side of each heat dissipation plate 602 is provided with an installation frame 603, the inner side of the installation frame 603 is provided with a fan 604 through a connecting rod, and the shaped phase-change material heat absorption plate 6 with a large area is pasted on the top of the circuit board 3, the stability of the heat absorbing plate 6 made of the shaped phase-change heat storage material is ensured, the heat on the circuit board 3 is absorbed by the heat absorbing plate 6 made of the shaped phase-change heat storage material, then the heat is transmitted to the inside of the heat conducting plate 601, the heat is conducted by the heat conducting plate 601 and transmitted to the heat radiating plate 602, the heat is rapidly 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 fixes the fan 604 on the inner side, the fan 604 is ensured to run stably, the fan 604 blows air to move, the air is guided by the mounting frame 603 and transmitted to the periphery of the heat radiating plate 602, the heat radiating speed of the heat radiating plate 602 is accelerated, and the normal running of the circuit board 3 is maintained;
referring to fig. 1 and 4, an embodiment of the present invention is shown: a phase change energy storage GaN power device with thermal management protection;
the fourth embodiment, including casing 2, the top gomphosis of casing 2 is installed and is inserted board 701, insert the top of board 701 and install closing cap 7, the last fin 702 that a plurality of groups equidistance were arranged is installed at the top of closing cap 7, goes up the top of fin 702 and installs supporting seat 703, insulating handle 704 is installed at the top of supporting seat 703, and closing cap 7 is installed at the top of casing 2 through inserting board 701, guarantees the closure of device, goes up fin 702 and is used for giving out the inside heat of device, and supporting seat 703 is fixed to the insulating handle 704 at top, makes things convenient for workman's gripping equipment when the electric leakage, guarantees workman's safety.
The working steps of the power device are as follows:
s1, a user places the device at an appointed position, the device is fixed by penetrating through the inner side of the through plate 107 through a bolt, the bottom plate 106 is conveniently fixed, the bottom plate 106 is conveniently supported by the shock absorption rod 105 at the top, a spring structure is arranged in the shock absorption rod 105, the device extrudes strong shock absorption, the vibration of the device is reduced, the device can be ensured to stably operate, the shock absorption rod 105 provides shock absorption for the supporting platform 1 at the top, the supporting platform 1 fixes the lower radiating fins 201 at the top, the stability of the lower radiating fins 201 is ensured, the lower radiating fins 201 are convenient to install 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 on the top of the mounting plate 202, the stability of the circuit board 3 is improved, the circuit board 3 can run stably, the circuit board 3 supports the supporting plate 4 on the top, the stability of the supporting plate 4 is ensured, the electric connector 401 on the top of the supporting plate 4 is in embedded butt joint with the bottom ends of the electric pins 501, the connection tightness of the device is ensured, the 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 through the limiting track, the connecting plates 503 on 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 installed on the inner side of the butt joint seat 403 through the bolt, the worker can install the components conveniently, and the electronic power device 5 is positioned and fixed through the limiting plate 502, the electronic power device 5 can operate smoothly, the electronic power device 5 transmits current to the circuit board 3 through the docking cradle 403, the circuit board 3 transmits current,
s3, in the operation process of the circuit board 3, a large amount of heat is generated inside, the shaped phase-change heat storage material heat absorption plate 6 is attached to the top of the circuit board 3 in a large area, the stability of the shaped phase-change heat storage material heat absorption plate 6 is guaranteed, the heat on the circuit board 3 is sucked out by the shaped phase-change heat storage material heat absorption plate 6, then the heat is transmitted to the inside of the heat conduction plate 601, the heat is conducted by the heat conduction plate 601 and is transmitted to the heat dissipation plate 602, the heat is rapidly transmitted to the air through the heat dissipation plate 602, the heat dissipation 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 operate stably, the fan 604 blows the air to move, the heat is guided by the mounting frame 603 and is transmitted to the periphery of the heat dissipation plate 602, the heat dissipation speed of the heat dissipation plate 602 is accelerated, and the normal operation of the circuit board 3 is maintained;
s4, the inboard of the butt joint external screw thread mouth 204 with the input line is connected to the device input end, conveniently, butt joint external screw thread mouth 204 carries out transmission current through transmission pipe 203, then transmit the inside of device with the current, then the butt joint external screw thread mouth 204 of output current play output spreads, transmit the inside of overcurrent protector 8 through the circuit, by overcurrent protector 8 through butt joint 803 and line connection, guarantee the normal transmission of current, detect the current through overcurrent protector 8, when voltage on the current exceedes appointed scope, pilot lamp 801 sends warning light, the inside early warning mechanism of overcurrent protector 8 can break the connection of circuit automatically, guarantee the safety of circuit.
The working principle is as follows: the user places the device at the assigned position, fix the device through the inboard that the bolt runs through the board 107, conveniently fix bottom plate 106, make things convenient for bottom plate 106 to support the shock attenuation pole 105 at top, the inside spring structure that is provided with of shock attenuation pole 105, the device extrudes very strong shock attenuation nature, improve the effect that plays and reduce the device vibration of device, guarantee that the device can steady operation, shock attenuation pole 105 provides the shock attenuation nature for supporting bench 1 at top, supporting bench 1 is fixed to the lower fin 201 at top, guarantee the stability of lower fin 201, conveniently lower fin 201 installs casing 2 at top, improve the stability of casing 2, the top of the inboard mounting panel 202 of casing 2 runs through the inboard of through hole 301 through threaded rod 302, circuit board 3 is fixed at the top of mounting panel 202, improve the stability of circuit board 3, guarantee that circuit board 3 can steady operation, the circuit board 3 supports the supporting board 4 at the top to ensure the stability of the supporting board 4, the electric connector 401 at the top of the supporting board 4 is embedded and butted with the bottom ends of the bottoms of the electric pins 501 to ensure the connection tightness of the device and facilitate the normal transmission of current, the outer side of the top of the electronic power device 5 fixes the connecting boards 503 at two sides through the limiting board 502 limiting tracks, a worker penetrates the fixing bolts 504 through the inner sides of the connecting boards 503, then the bottom ends of the fixing bolts 504 are installed at the inner sides of the butting seats 403 through the bolts to facilitate the installation of the components by the worker, meanwhile, the electronic power device 5 is positioned and fixed through the limiting board 502 to ensure the stable operation of the electronic power device 5, the electronic power device 5 transmits the current to the circuit board 3 through the butting seats, the circuit board 3 transmits the current, and in the operation process of the circuit board 3, the inside can generate a large amount of heat, the shaped phase-change heat storage material heat absorption plate 6 is attached to the top of the circuit board 3 in a large area, the stability of the shaped phase-change heat storage material heat absorption plate 6 is ensured, the shaped phase-change heat storage material heat absorption plate 6 sucks the heat on the circuit board 3 out, then the heat is transmitted to the inside of the heat conduction plate 601, the heat is transmitted to the heat dissipation plate 602 through the heat dissipation plate 602, the heat is rapidly transmitted to the air through the heat dissipation plate 602, so that the heat dissipation speed of the circuit board 3 is accelerated, meanwhile, the mounting frame 603 fixes the fan 604 at the inner side, the stable operation of the fan 604 is ensured, the fan 604 blows the air to move, the air is guided by the mounting frame 603 to be transmitted to the periphery of the heat dissipation plate 602, the heat dissipation speed of the heat dissipation plate 602 is accelerated, the normal operation of the circuit board 3 is maintained, and the input line is connected to the inner side of the external thread port 204 which is butted with the input end of the device, conveniently dock external screw thread mouth 204 and carry out transmission current through transmission pipe 203, then with the inside of current transmission to the device, then the current of output goes out the butt joint external screw thread mouth 204 of output and spreads, transmit the inside of overcurrent protector 8 through the circuit, pass through butt joint 803 and line connection by overcurrent protector 8, guarantee the normal transmission of electric current, detect the electric current through overcurrent protector 8, when voltage on the electric current surpasses specified scope, pilot lamp 801 sends the warning light, the inside early warning mechanism of overcurrent protector 8 can automatic disconnection circuit connect, guarantee the safety of circuit
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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 (10)
1. A GaN power device with phase change energy storage of thermal management protection, includes brace table (1) and casing (2), its characterized in that: the top of the support 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 support 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 shaped phase-change heat storage material heat absorption plate (6), and the shaped phase-change heat storage material heat absorption plate (6) is positioned behind the supporting plate (4);
an insertion plate (701) is installed at the top of the shell (2) in a fitting mode, and a closing cover (7) is installed at the top of the insertion plate (701).
2. The GaN power device with phase-change energy storage for thermal management protection of claim 1, wherein: fixed plate (101) are installed at the top of brace table (1), and fixed plate (101) are located the place ahead of lower fin (201), ventilation pipe (102) are installed to the inboard of fixed plate (101), mounting panel (103) are installed to the inboard of ventilation pipe (102), cooling fan (104) are installed to the inboard of mounting panel (103), shock-absorbing rod (105) that three groups of equidistance were arranged are installed through the bolt in the bottom of brace table (1), bottom plate (106) are installed to the bottom of shock-absorbing rod (105), two sets of through-plate (107) are installed to the front and the back symmetry of brace table (1).
3. The GaN power device with phase-change energy storage for thermal management protection of claim 1, wherein: a transmission pipe (203) is installed on the outer wall of one side of the shell (2) in a penetrating mode, a butt joint external thread port (204) is installed at one end of the transmission pipe (203), and an assembly cap (205) is installed on the outer side of the butt joint external thread port (204) through threads.
4. The GaN power device with phase-change energy storage for thermal management protection of claim 1, wherein: through hole (301) have been seted up to the inboard of circuit board (3), threaded rod (302) are installed in the inboard through-going of through hole (301), and the bottom of threaded rod (302) passes through bolt and mounting panel (202) fixed connection.
5. The GaN power device with phase-change energy storage for thermal management protection of claim 1, wherein: the electric connector (401) is installed at the top of the supporting plate (4), the flitch (402) is symmetrically installed on two sides of the supporting plate (4), the flitch (402) is installed at the top of the circuit board (3) through a bolt, and the butt joint seat (403) is installed at the top of the flitch (402).
6. The GaN power device with phase-change energy storage for thermal management protection of claim 1, wherein: electronic power device (5) are installed at the top of backup pad (4), electric property pin (501) are installed to the bottom of electronic power device (5), and electric property pin (501) and electricity joint (401) dock, 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 through to the inboard of connecting plate (503), and the inboard at butt joint seat (403) is passed through to the bolt installation in the bottom of fixing bolt (504).
7. The GaN power device with phase-change energy storage for thermal management protection of claim 1, wherein: heat-conducting plate (601) is installed at the top of design phase change heat-retaining material absorber plate (6), heating panel (602) are installed to the front and the back of heat-conducting plate (601), installing frame (603) are installed to one side of heating panel (602), fan (604) are installed through the connecting rod to the inboard of installing frame (603).
8. The GaN power device with phase-change energy storage for thermal management protection of claim 1, wherein: a plurality of groups of upper radiating fins (702) which are arranged at equal intervals are installed at the top of the closed cover (7), a supporting seat (703) is installed at the top end of the upper radiating fins (702), and an insulating handle (704) is installed at the top of the supporting seat (703).
9. The GaN power device with phase change energy storage for thermal management protection of claim 1, wherein: indicator lamp (801) are installed at the top of overcurrent protector (8), control button (802) are installed to one side of overcurrent protector (8), butt joint (803) of two sets of symmetry installations are installed at the top of overcurrent protector (8), and just two sets of butt joint (803) are located the place ahead and the rear of indicator lamp (801).
10. The GaN power device with phase-change energy storage for thermal management protection according to any of claims 1-8, characterized in that the power device is operated by the following steps:
s1, a user places the device at a designated position, the device is fixed by penetrating through the inner side of a through plate (107) through a bolt, the bottom plate (106) is conveniently fixed, the bottom plate (106) is convenient to support a shock absorption rod (105) at the top, a spring structure is arranged inside the shock absorption rod (105), the device extrudes strong shock absorption performance, the device plays a role in reducing the vibration of the device, the device can stably run, the shock absorption rod (105) provides the shock absorption performance for a support platform (1) at the top, the support platform (1) fixes a 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 a 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 on the top of the mounting plate (202), the stability of the circuit board (3) is improved, the circuit board (3) can run stably, the circuit board (3) supports the support plate (4) on the top, the stability of the support plate (4) is ensured, the electric connector (401) on the top of the support plate (4) is in embedded butt joint with the bottom ends of the electric pins (501), the tightness of device connection is ensured, the 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) to limit the track, the connecting plates (503) on the two sides are fixed, a worker penetrates the fixing bolt (504) through the inner side of the connecting plate (503), and then the bottom end of the fixing bolt (504) is installed on the inner side of the butt joint seat (403) through the bolt, the components can be conveniently installed by workers, the electronic power device (5) is positioned and fixed through the limiting plate (502), the electronic power device (5) can be ensured to stably run, the electronic power device (5) transmits current to the circuit board (3) through the butt joint seat (403), and the circuit board (3) transmits the current,
s3, in the process of operation of the circuit board (3), a large amount of heat is generated inside, the shaped phase-change heat storage material heat absorption plate (6) is attached to the top of the circuit board (3) in a large area, the stability of the shaped phase-change heat storage material heat absorption plate (6) is ensured, the heat on the circuit board (3) is absorbed by the shaped phase-change heat storage material heat absorption plate (6), then the heat is transmitted to the inside of the heat conduction plate (601), the heat is transmitted to the heat dissipation plate (602), the heat is rapidly transmitted to the air through the heat dissipation plate (602), so that the heat dissipation 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 operate stably, the fan (604) blows to the air to move, the heat is guided by the installation frame (603) to be transmitted to the periphery of the heat dissipation plate (602), and the heat dissipation speed of the heat dissipation plate (602) is accelerated, maintaining the normal operation of the circuit board (3);
s4, the inboard of butt joint external screw thread mouth (204) with the input line is connected to the device input end, conveniently, butt joint external screw thread mouth (204) carry out transmission current through transmission pipe (203), then transmit the inside of device with the current, then the butt joint external screw thread mouth (204) of output current play output end spread, transmit the inside to overcurrent protector (8) through the circuit, be connected with the circuit through butt joint (803) by overcurrent protector (8), guarantee the normal transmission of current, detect the current through overcurrent protector (8), when voltage on the current exceedes appointed scope, warning light is sent out to pilot lamp (801), the connection of the inside early warning mechanism of overcurrent protector (8) can automatic disconnection circuit, guarantee the safety of circuit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115019842A (en) * | 2022-06-09 | 2022-09-06 | 江苏华存电子科技有限公司 | Flash memory cold and hot data analyzer with heat dissipation protection |
| CN115426836A (en) * | 2022-08-16 | 2022-12-02 | 海安天一智控设备有限公司 | Intelligent electric control system equipment of continuous production line |
| CN117308658A (en) * | 2023-10-24 | 2023-12-29 | 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 |
| 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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| CN114001334A (en) * | 2021-12-06 | 2022-02-01 | 嘉兴南湖学院 | Railway carriage distributed LED power supply with intelligently adjustable power |
| 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 |
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| US6411514B1 (en) * | 2001-03-08 | 2002-06-25 | Rally Manufacturing, Inc. | Power inverter with heat dissipating assembly |
| 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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| CN115019842A (en) * | 2022-06-09 | 2022-09-06 | 江苏华存电子科技有限公司 | Flash memory cold and hot data analyzer with heat dissipation protection |
| CN115426836A (en) * | 2022-08-16 | 2022-12-02 | 海安天一智控设备有限公司 | Intelligent electric control system equipment of continuous production line |
| 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 |
| CN117308658A (en) * | 2023-10-24 | 2023-12-29 | 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 |
| 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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