WO2024069768A1 - 駆動装置及び空気調和装置 - Google Patents
駆動装置及び空気調和装置 Download PDFInfo
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- WO2024069768A1 WO2024069768A1 PCT/JP2022/036007 JP2022036007W WO2024069768A1 WO 2024069768 A1 WO2024069768 A1 WO 2024069768A1 JP 2022036007 W JP2022036007 W JP 2022036007W WO 2024069768 A1 WO2024069768 A1 WO 2024069768A1
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- heat
- generating component
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- motor
- heat generating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
Definitions
- This disclosure relates to a drive device that drives a motor and an air conditioner equipped with the same.
- Patent Document 1 discloses a power supply module including a substrate, electronic components arranged on the substrate, and a power module, in which a heat dissipating metal plate and a metal cover are attached in close contact with the power module from the side opposite the substrate via a thermally conductive insulating material.
- the power supply module disclosed in Patent Document 1 includes a case that covers the substrate from the side opposite the side on which the power module is mounted, and the case and metal cover form a sealed structure.
- the power supply module disclosed in Patent Document 1 transfers heat generated by heat-generating components to a metal cover through a thermally conductive insulating material and a heat-dissipating metal plate, and dissipates the heat in the metal cover, thereby cooling the heat-generating components.
- the power supply module disclosed in Patent Document 1 uses the cooling structure described above to form a sealed structure in the drive unit, while improving the heat dissipation effect of electronic components that become hot, such as the power module, without using a heat sink.
- the present disclosure has been made in consideration of the above, and aims to obtain a drive unit that has an improved heat dissipation effect for heat generated by electronic components other than heat-generating components that are arranged inside a housing that forms a sealed structure.
- the drive device disclosed herein is a drive device that converts power supplied from a power source into power for driving a motor, and includes a substrate having a wiring pattern including joints formed from metal foil, a heat-generating component having connection terminals and mounted on the substrate with the terminals soldered to the joints, an electronic component electrically connected to the heat-generating component by the wiring pattern, a metal housing surrounding the substrate, and a heat dissipation member that dissipates heat generated by the heat-generating component.
- the heat dissipation member is in contact with the housing, the terminals, and the joints.
- the drive device has the effect of improving the heat dissipation effect of heat generated by electronic components other than heat-generating components arranged inside a housing that forms a sealed structure.
- FIG. 1 is a diagram showing a configuration of a drive device according to a first embodiment
- FIG. 1 is a cross-sectional view showing a state in which a heat generating component is mounted on a substrate of a driving device according to a first embodiment
- FIG. 11 is a cross-sectional view showing a state in which a heat generating component is mounted on a substrate of a driving device according to a second embodiment
- FIG. 13 is a cross-sectional view showing a state in which a heat generating component is mounted on a substrate of a driving device according to a modified example of the second embodiment
- FIG. 1 is a diagram showing a configuration of a drive device according to a first embodiment
- FIG. 1 is a cross-sectional view showing a state in which a heat generating component is mounted on a substrate of a driving device according to a first embodiment
- FIG. 11 is a cross-sectional view showing a state in which a heat generating component is mounted on a substrate of a driving device
- FIG. 11 is a cross-sectional view showing a state in which a heat generating component is mounted on a substrate of a driving device according to a third embodiment
- FIG. 13 is a diagram showing the configuration of an air conditioning device according to a fourth embodiment.
- FIG. 13 is a perspective view of an outdoor unit of an air conditioner according to a fourth embodiment.
- FIG. 13 is a perspective view of an outdoor unit of an air conditioner according to a modification of the fourth embodiment.
- Embodiment 1. 1 is a diagram showing the configuration of a drive device according to embodiment 1.
- Drive device 200 according to embodiment 1 is connected to a power source 100 and a motor 101. Power is supplied to drive device 200 from power source 100.
- Drive device 200 has converter and inverter functions and a function for controlling these, converts power supplied from power source 100 into power suitable for driving the motor, and outputs drive power to motor 101.
- the function for controlling the converter and inverter can be realized by a well-known microcontroller.
- the drive device 200 includes a substrate 1 on which a wiring pattern is formed.
- the wiring pattern is a conductive wiring mainly using metal foil such as copper foil, and is provided on the surface and inside of a plate formed of an insulator.
- An electronic circuit is formed by soldering terminals for connecting electronic components including a heat generating component 2 to joints formed on the substrate 1.
- the electronic components mounted on the substrate 1 include, for example, a noise filter, a smoothing capacitor, a sensor for detecting current and voltage, a microcontroller, and peripheral circuits.
- the joint part of the board 1 is a pad, and the terminal part is soldered to the pad. Also, if the terminal part of the electronic component is a pin, the joint part of the board 1 is a land, and the terminal part is soldered to the land.
- each component mounted on the board 1 When the motor 101 is driven, each component mounted on the board 1 generates heat due to its own internal loss. In particular, heat generated by losses related to the switching or conduction of semiconductor elements during power conversion, heat generated by losses in the resistance of the reactor, and heat generated by the ripple current flowing through the smoothing capacitor are significant.
- the drive unit 200 includes a metal housing 3 that prevents foreign objects such as water, dust, dirt, and small animals from adhering to the substrate 1 and causing a short circuit due to a tracking phenomenon.
- the substrate 1 is disposed in a sealed structure formed by the housing 3. If it is necessary to pass electrical wiring and communication lines between the inside and outside of the sealed structure, holes are provided in the housing 3 for passing these lines. When a hole is provided in the housing 3, water, dust, dirt, and small animals may enter through the gap between the hole and the line, but the risk of intrusion can be reduced by making the gap between the hole and the line smaller. The gap between the hole and the line may be blocked with a sealant or caulking material to improve the sealing performance of the sealed structure.
- the motor 101 is installed inside the housing 3, but the motor 101 may be installed outside the housing 3.
- FIG. 2 is a cross-sectional view showing a schematic diagram of a state in which heat-generating components are mounted on the board of a drive device according to embodiment 1. Note that the motor 101 is not shown in FIG. 2.
- the board 1 is installed at a distance from the surface 31 of the housing 3 by legs 15a and 15b, allowing components to be mounted on both sides of the board 1.
- the board 1 has a first surface 1f on which electronic components 13 and 14 are arranged, and a second surface 1s, which is the surface opposite to the first surface 1f and on which the heat-generating component 2 is arranged.
- FIG. 2 an example is shown in which the heat-generating component 2 is a representative power device.
- the package of the power device is not limited to the DIP.
- a power device is a collection of semiconductor elements that rectifies the current supplied from the power source 100 and converts the rectified power into power for driving the motor 101.
- a power device has the functions of a well-known inverter and converter, and is used in the form of an array of multiple discrete semiconductor elements, or in the form of a power module in which multiple semiconductor elements are housed in a single package.
- a composite module that integrates a converter function that rectifies the power output by the power source 100 and an inverter function that converts it into power for driving the motor 101 into a single package is also well known, and the concept of a power device also includes discrete semiconductor elements, power modules, and composite modules.
- the heat-generating component 2 is thermally connected to the housing 3 by contacting the surface 31 of the housing 3, and the heat of the heat-generating component 2 is dissipated through the housing 3.
- the housing 3 has the function of dissipating the heat of the heat-generating component 2, and the heat is conducted throughout the metal that constitutes the housing 3, increasing the heat dissipation area and thus providing a high heat dissipation effect.
- the substrate 1 has lands 11a and 11b which are part of the wiring pattern formed by metal foil.
- the land 11a which is a joint, is formed on the first surface 1f and the second surface 1s of the substrate 1, and a through hole 12a penetrating the substrate 1 connects a part of the surface of the first surface 1f to a part of the surface of the second surface 1s.
- the land 11b which is a joint, is formed on the first surface 1f and the second surface 1s of the substrate 1, and a through hole 12b penetrating the substrate 1 connects a part of the surface of the first surface 1f to a part of the surface of the second surface 1s.
- the heat generating component 2 has pins 21a and 21b which correspond to terminals, which pass through the through holes 12a and 12b of the substrate 1 and are soldered to the lands 11a and 11b, respectively, and is fixed to the substrate 1 by this bonding. If the heat generating component 2 is a reactor or a capacitor, the leads which correspond to the terminals are soldered to the pads which are the bonding parts of the substrate 1.
- Each of electronic components 13 and 14 is disposed on the surface of the first surface 1f of substrate 1 and solder-bonded to pads (not shown) formed on the first surface 1f of substrate 1.
- the pads (not shown) to which electronic components 13 and 14 are solder-bonded are connected to lands 11a and 11b. Therefore, electronic components 13 and 14 are electrically connected to heat-generating component 2 via the wiring pattern.
- the heat-generating component 2 electrically communicates with electronic components 13, 14 mounted on the board 1, such as transmitting electrical signals, via the metal foil on the board 1 that is electrically connected to lands 11a, 11b.
- the heat-generating component 2 also electrically communicates with other boards, such as supplying and receiving power and transmitting electrical signals, via a wiring pattern formed using the metal foil on the board 1 and terminals or connectors.
- FIG. 2 shows an example in which the heat-generating component 2 is a DIP-type module, but if the heat-generating component 2 is a SOP (Small Outline Package)-type device having gull-wing pins 21a, 21b, the pins 21a, 21b are solder-joined to pads formed on the first surface 1f of the substrate 1, and the pins 21a, 21b are fixed to the substrate 1 by soldering the pads to the pads.
- SOP Small Outline Package
- the drive device 200 has the heat dissipation members 4a, 4b in contact with the lands 11a, 11b (joints), the pins 21a, 21b (terminals), and the housing 3, to efficiently dissipate heat from the heat-generating component 2.
- the heat dissipation members 4a, 4b are well-known heat dissipation sheets with electrical insulation, gels with high heat dissipation properties, or gels with high heat dissipation properties.
- the insulation of the heat dissipation members 4a, 4b also ensures insulation between the housing 3, which has a heat dissipation function, and the pins 21a, 21b.
- the heat is transferred from the pins 21a and 21b of the heat generating component 2 to the housing 3 via the heat dissipation members 4a and 4b. Furthermore, the heat transferred from the pins 21a and 21b of the heat generating component 2 to the lands 11a and 11b can also be transferred to the housing 3 via the heat dissipation members 4a and 4b. Therefore, the drive device 200 according to the first embodiment can efficiently dissipate the heat generated by the heat generating component 2.
- the drive device 200 can efficiently dissipate the heat generated not only from the heat generating component 2, but also from the electronic components 13 and 14 electrically connected to the heat generating component 2 via the lands 11a and 11b and the wiring pattern of the board 1.
- the heat generated by the heat generating component 2 and the electronic components 13 and 14 mounted on the board 1 arranged in the housing 3 forming a sealed structure can be dissipated via the lands 11a and 11b, the heat dissipation members 4a and 4b, and the metal housing 3.
- the vibrations of the pins of the heat generating component 2 can be dampened by the heat dissipation members 4a, 4b, preventing breakage of the pins 21a, 21b.
- the heat dissipation members 4a, 4b are in thermal contact with the terminals of the heat-generating component 2, the joints of the substrate 1, and the housing 3, which not only improves the heat dissipation of the heat-generating component 2 but also allows the heat generated by the electronic components 13, 14 other than the heat-generating component 2 to be dissipated through the lands 11a, 11b (the joints), the heat dissipation members 4a, 4b, and the housing 3.
- the drive device 200 has a sealed structure that can prevent the tracking phenomenon that occurs when foreign objects such as water, dust, dirt, and small animals adhere to the substrate 1, while also preventing failure of the electronic components 13, 14 due to heat, which is an issue with sealed structures.
- Embodiment 2. 3 is a cross-sectional view that shows a schematic state in which a heat-generating component is mounted on a board of a driving device according to embodiment 2.
- the driving device 200 according to embodiment 2 includes a heat dissipation member 4c that is disposed between the heat-generating component 2 and the housing 3. That is, in the driving device 200 according to embodiment 2, the heat dissipation member 4c is interposed between the heat-generating component 2 and the housing 3. The heat dissipation member 4c transfers heat from the heat-generating component 2 to the housing 3. Therefore, the heat-generating component 2 is thermally connected to the housing 3 via the heat dissipation member 4c.
- the heat dissipation member 4c is a well-known electrically insulating heat dissipation sheet, a gel with high heat dissipation properties, or a gel with high heat dissipation properties, similar to the heat dissipation members 4a and 4b shown in the first embodiment.
- the heat dissipation member 4c molded as a single member is disposed around the pins 21a and 21b of the heat generating component 2 and in the area between the heat generating component 2 and the housing 3, but the heat dissipation member 4c may be configured using a plurality of different members, such as dissipating heat with a highly flexible gel or gel around the pins 21a and 21b of the heat generating component 2 and dissipating a heat dissipation sheet in the area between the heat generating component 2 and the housing 3.
- the drive device 200 By bringing the heat-generating component 2 and the housing 3 into thermal contact via the heat dissipation member 4c, it is possible to fill in the minute gaps that arise when the heat-generating component 2 and the housing 3 are brought into contact.
- the drive device 200 according to the second embodiment prevents an increase in thermal resistance due to the gaps between the heat-generating component 2 and the housing 3, and further improves the heat transfer from the heat-generating component 2 to the housing 3, thereby further enhancing the heat dissipation effect of the heat-generating component 2.
- the heat dissipation member 4c between the heat generating component 2 and the housing 3, the heat generated by the heat generating component 2 mounted on the board 1 arranged in the housing 3 forming a sealed structure can be dissipated through the lands 11a, 11b, the heat dissipation member 4c, and the metal housing 3.
- the heat dissipation member 4c between the heat generating component 2 and the housing 3, the heat dissipation effect of the heat generated by the heat generating component 2 can be further improved.
- heat generated not only by the heat generating component 2 but also by the electronic components 13, 14 on the board 1 electrically connected to the heat generating component 2 via the lands 11a, 11b and the wiring pattern on the board 1 can be efficiently dissipated.
- FIG. 4 is a cross-sectional view showing a schematic diagram of a heat-generating component mounted on a substrate of a drive device according to a modification of embodiment 2.
- heat transfer grease 5 is interposed between heat-generating component 2 and housing 3 instead of heat dissipation member 4c.
- the drive device 200 according to the modified example of the second embodiment is assembled after applying heat transfer grease 5 to the heat generating component 2 or the housing 3, so that the heat generating component 2 and the housing 3 are in thermal contact with each other via the heat transfer grease 5.
- the heat transfer grease 5 can be, for example, a known grease based on modified silicone, which has little change in viscosity from room temperature to high temperatures, and further containing particles of metal or metal oxide with high thermal conductivity.
- the heat dissipation effect of the heat generated by the heat generating component 2 is further improved.
- heat can be efficiently dissipated not only from the heat generating component 2 but also from the electronic components 13, 14 on the board 1 that are electrically connected to the heat generating component 2 via the lands 11a, 11b and the wiring pattern on the board 1.
- Embodiment 3. 5 is a cross-sectional view showing a schematic state in which a heat-generating component is mounted on a substrate of a driving device according to embodiment 3.
- the heat-generating component 2 is mounted on a first surface 1f of the substrate 1. That is, in the driving device 200 according to embodiment 3, the heat-generating component 2 and the electronic components 13 and 14 are mounted on the same surface of the substrate 1.
- the heat generated by the heat-generating component 2 is transferred to the housing 3 via the pins 21a, 21b and the heat dissipation members 4a, 4b. Furthermore, the heat transferred from the pins 21a, 21b of the heat-generating component 2 to the lands 11a, 11b can also be transferred to the housing 3 via the heat dissipation members 4a, 4b, allowing the heat from the heat-generating component 2 to be efficiently dissipated.
- the electronic components 13, 14 on the board 1 that are electrically connected to the heat-generating component 2 via the lands 11a, 11b can also efficiently dissipate heat.
- the heat dissipation members 4a, 4b are formed as separate bodies, but they may be a single member.
- the driving device 200 can dissipate heat generated by the heat-generating component 2 and electronic components 13, 14 mounted on the substrate 1 arranged inside the housing 3 forming an airtight structure, via the lands 11a, 11b, the heat dissipation members 4a, 4b, and the metal housing 3.
- the component mounting surfaces of the heat-generating component 2 and the electronic components 13, 14 can be unified, improving the efficiency of component mounting work.
- Embodiment 4. 6 is a diagram showing the configuration of an air conditioner according to embodiment 4.
- An air conditioner 300 according to embodiment 4 includes an indoor unit 150 and an outdoor unit 110.
- the indoor unit 150 includes an indoor heat exchanger 124.
- the outdoor unit 110 includes a fan motor 102, a compressor 111, a fan 112, an outdoor heat exchanger 123, a four-way valve 121, an expansion device 122, and a drive device 200.
- the compressor 111 includes a motor 101 and a compression element (not shown) connected to the motor 101. Any of the drive devices 200 described in embodiments 1 to 3 is applied to the drive device 200.
- FIG. 7 is a perspective view of an outdoor unit of an air conditioner according to embodiment 4.
- one side of the outdoor unit 110 is not shown to visualize the internal configuration of the outdoor unit 110.
- FIG. 7 shows a schematic of the outdoor heat exchanger 123, the fan 112 for exchanging heat with the outside air in the outdoor heat exchanger 123, the board 1 of the drive unit 200, the heat generating component 2 mounted on the board 1, the other electronic components 13, 14 mounted on the board 1, and the compressor 111, while omitting to show electrical wiring and refrigerant piping within the outdoor unit 110.
- the metal housing 3 having a sealed structure is formed by the housing sheet metal 3a of the outdoor unit 110 and a separator 3b that divides the inside of the outdoor unit 110 into a fan chamber 131 and a machine chamber 132, and the drive unit 200 is installed on the machine chamber 132 side.
- the housing 3 has a minimum number of holes for passing electrical wiring, communication lines, piping, etc. between the inside and outside of the outdoor unit 110.
- the separator 3b forms the surface 31 of the housing 3 that is thermally connected to the heat-generating component 2.
- the fan 112 for exchanging heat with the outside air rotates to generate wind inside the fan chamber 131.
- the separator 3b faces the fan chamber 131 and is located on the opposite side of the heat-generating component 2 from the surface facing the substrate 1, so that the wind generated by the rotation of the fan 112 hits the separator 3b, and this wind releases heat from the heat-generating component 2 through the separator 3b.
- the wind generated by the rotation of the fan 112 can be used to effectively dissipate heat from the heat-generating component 2.
- the drive unit 200 receives power from the power source 100 and outputs drive power to the motor 101 of the compressor 111.
- the connected compression element compresses the refrigerant.
- the motor 101 of the compressor 111 generally has a greater output than the fan motor 102, it is preferable to use the power device that drives the motor 101 of the compressor 111 as the heat-generating component 2 of the drive unit 200 when cooling the power devices that drive the motor 101 and the fan motor 102.
- the heat-generating component 2 of the drive unit 200 may be the power device that drives the fan motor 102, or it may be both the power device that drives the motor 101 and the power device that drives the fan motor 102.
- the compressor 111, four-way valve 121, outdoor heat exchanger 123, expansion device 122, indoor heat exchanger 124, four-way valve 121, and compressor 111 are connected in this order by refrigerant piping to form a refrigeration cycle 120.
- the drive unit 200, compressor 111, four-way valve 121, outdoor heat exchanger 123, and expansion device 122 are provided in the outdoor unit 110 of the air-conditioning device 300, and the indoor heat exchanger 124 is provided in the indoor unit 150 of the air-conditioning device 300.
- cooling operation can also be achieved by the refrigeration cycle 120.
- the flow path is switched by the four-way valve 121 so that the refrigerant discharged from the compressor 111 flows toward the outdoor heat exchanger 123, and the refrigerant flowing out of the indoor heat exchanger 124 flows toward the compressor 111.
- the compression element of the compressor 111 compresses the refrigerant under the control of the drive unit 200, and a high-temperature, high-pressure refrigerant is discharged from the compressor 111.
- the high-temperature, high-pressure refrigerant discharged from the compressor 111 flows into the outdoor heat exchanger 123 via the four-way valve 121, where it exchanges heat with the outside air and dissipates heat.
- the refrigerant flowing out from the outdoor heat exchanger 123 is expanded and decompressed by the expansion device 122 to become a low-temperature, low-pressure, gas-liquid two-phase refrigerant, which flows into the indoor heat exchanger 124, evaporates due to heat exchange with the air in the space to be air-conditioned, and flows out from the indoor heat exchanger 124 as a low-temperature, low-pressure gas refrigerant.
- the gas refrigerant flowing out from the indoor heat exchanger 124 is sucked into the compressor 111 via the four-way valve 121 and compressed again. During cooling operation, the above operations are repeated in the refrigeration cycle 120.
- an expansion device may be provided not only in the outdoor unit 110 but also in the indoor unit 150.
- the drive unit 200 according to any one of the first to third embodiments is applied to the air conditioning device 300, but the present invention is not limited to this.
- the drive unit 200 may be applied to a heat pump device, a refrigeration device, or other refrigeration cycle devices in general, in addition to the air conditioning device 300.
- FIG. 8 is a perspective view of an outdoor unit of an air conditioner according to a modified example of embodiment 4. As with FIG. 7, in FIG. 8, one side of the outdoor unit 110 is not shown to visualize the internal configuration of the outdoor unit 110. If the entire machine chamber 132 had a sealed structure that sealed the board 1, as in the outdoor unit 110 according to embodiment 4, the size of the sealed structure would be excessively large compared to the size of the board 1. Therefore, by providing a metal case 3c that only surrounds the board 1, as in the air conditioner according to the modified example, the sealing effect can be further improved.
- the metal case 3c is provided with a minimum number of holes for passing electrical wiring and communication lines between the inside and outside of the sealed structure.
- the heat from the heat generating components 2 and electronic components 13, 14 of the drive unit 200 can be dissipated from the housing sheet metal 3a and separator 3b of the outdoor unit 110 of the air conditioning device 300, and since the housing sheet metal 3a has a large area exposed to the outside air and the separator 3b is exposed to the wind generated by the rotation of the fan 112, heat can be dissipated efficiently.
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Abstract
Description
図1は、実施の形態1に係る駆動装置の構成を示す図である。実施の形態1に係る駆動装置200は、電源100とモータ101とに接続されている。駆動装置200は、電源100から電力が供給される。駆動装置200は、コンバータ及びインバータの機能と、これらを制御する機能とを備え、電源100から供給される電力をモータ駆動に適した電力に変換し、モータ101に駆動電力を出力する。なお、コンバータ及びインバータを制御する機能は、周知のマイクロコントローラにより実現できる。
図3は、実施の形態2に係る駆動装置の基板に発熱部品を実装した状態を概略的に示した断面図である。実施の形態2に係る駆動装置200は、発熱部品2と筐体3との間に配置された放熱部材4cを備えている。すなわち、実施の形態2に係る駆動装置200では、発熱部品2と筐体3との間に放熱部材4cが介在している。放熱部材4cは、発熱部品2から筐体3へ熱を伝達する。このため、発熱部品2は、放熱部材4cを介して筐体3と熱的に接続されている。
図5は、実施の形態3に係る駆動装置の基板に発熱部品を実装した状態を概略的に示した断面図である。実施の形態3に係る駆動装置200は、基板1のうち、第1の面1fに発熱部品2が実装されている。すなわち、実施の形態3に係る駆動装置200においては、発熱部品2と、電子部品13,14とが、基板1の同じ面に実装されている。
図6は、実施の形態4に係る空気調和装置の構成を示す図である。実施の形態4に係る空気調和装置300は、室内機150と、室外機110とを備える。室内機150は、室内熱交換器124を備える。室外機110は、ファンモータ102、圧縮機111、ファン112、室外熱交換器123、四方弁121、膨張装置122及び駆動装置200を備える。圧縮機111は、モータ101と、モータ101に連結されている不図示の圧縮要素から構成されている。駆動装置200には、実施の形態1から実施の形態3において説明した駆動装置200のいずれかが適用される。
Claims (8)
- 電源から供給される電力をモータ駆動用電力へ変換する駆動装置であって、
金属箔によって形成された接合部を含む配線パターンを備えた基板と、
接続用の端子部を備え、前記端子部が前記接合部にはんだ接合されて前記基板に実装された発熱部品と、
前記配線パターンによって前記発熱部品と電気的に接続された電子部品と、
前記基板を囲む金属製の筐体と、
前記発熱部品が発する熱を放熱する放熱部材とを備え、
前記放熱部材は、前記筐体と、前記端子部と、前記接合部とに接触している駆動装置。 - 前記発熱部品と前記筐体とが熱的に接続されている請求項1に記載の駆動装置。
- 前記発熱部品と前記筐体との間に前記放熱部材が介在する請求項2に記載の駆動装置。
- 前記発熱部品と前記筐体との間に配置される伝熱グリスを備える請求項2に記載の駆動装置。
- 前記発熱部品は、前記電源から供給される電力を前記モータ駆動用電力へ変換するパワーデバイスである請求項1に記載の駆動装置。
- 請求項1から5のいずれか1項に記載の駆動装置を備えた空気調和装置であって、
冷凍サイクルの冷媒を圧縮する駆動源であるモータを有する圧縮機と、ファンモータ及び前記ファンモータによって駆動される室外ファンとを備える室外機を有し、
前記駆動装置は、前記モータ及び前記ファンモータの少なくとも一方に前記モータ駆動用電力を出力する空気調和装置。 - 前記室外機は、前記筐体の内部の空間を、前記室外ファンが設置されるファン室と前記圧縮機が設置される機械室とに分けるセパレータを備え、
前記駆動装置は、前記機械室に設置され、前記発熱部品が前記セパレータに接触している請求項6に記載の空気調和装置。 - 前記機械室の内部に設置されて前記基板を囲む金属ケースを備える請求項7に記載の空気調和装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024548888A JPWO2024069768A1 (ja) | 2022-09-27 | 2022-09-27 | |
CN202280099983.1A CN119866419A (zh) | 2022-09-27 | 2022-09-27 | 驱动装置以及空调装置 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06123449A (ja) * | 1992-10-12 | 1994-05-06 | Hitachi Ltd | 空気調和機の室外ユニット |
JP2002140996A (ja) * | 2000-06-28 | 2002-05-17 | Matsushita Electric Ind Co Ltd | インバータ、マグネトロン一体ユニット及びその搭載用回路基板 |
JP2014074567A (ja) * | 2012-10-05 | 2014-04-24 | Mitsubishi Electric Corp | 電気品モジュールユニット及び空気調和機の室外機 |
JP2015133454A (ja) * | 2014-01-15 | 2015-07-23 | 三菱電機株式会社 | 半導体素子の保護構造および空気調和機の室外機 |
JP2016050726A (ja) * | 2014-09-01 | 2016-04-11 | ダイキン工業株式会社 | 冷凍装置 |
CN106851962A (zh) * | 2017-02-23 | 2017-06-13 | 深圳市华星光电技术有限公司 | 一种线性稳压器的封装结构 |
JP2020134108A (ja) * | 2019-02-26 | 2020-08-31 | ダイキン工業株式会社 | 空気調和装置 |
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- 2022-09-27 JP JP2024548888A patent/JPWO2024069768A1/ja active Pending
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06123449A (ja) * | 1992-10-12 | 1994-05-06 | Hitachi Ltd | 空気調和機の室外ユニット |
JP2002140996A (ja) * | 2000-06-28 | 2002-05-17 | Matsushita Electric Ind Co Ltd | インバータ、マグネトロン一体ユニット及びその搭載用回路基板 |
JP2014074567A (ja) * | 2012-10-05 | 2014-04-24 | Mitsubishi Electric Corp | 電気品モジュールユニット及び空気調和機の室外機 |
JP2015133454A (ja) * | 2014-01-15 | 2015-07-23 | 三菱電機株式会社 | 半導体素子の保護構造および空気調和機の室外機 |
JP2016050726A (ja) * | 2014-09-01 | 2016-04-11 | ダイキン工業株式会社 | 冷凍装置 |
CN106851962A (zh) * | 2017-02-23 | 2017-06-13 | 深圳市华星光电技术有限公司 | 一种线性稳压器的封装结构 |
JP2020134108A (ja) * | 2019-02-26 | 2020-08-31 | ダイキン工業株式会社 | 空気調和装置 |
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