WO2013175597A1 - インバータ装置 - Google Patents
インバータ装置 Download PDFInfo
- Publication number
- WO2013175597A1 WO2013175597A1 PCT/JP2012/063232 JP2012063232W WO2013175597A1 WO 2013175597 A1 WO2013175597 A1 WO 2013175597A1 JP 2012063232 W JP2012063232 W JP 2012063232W WO 2013175597 A1 WO2013175597 A1 WO 2013175597A1
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- WIPO (PCT)
- Prior art keywords
- module
- resistor
- recess
- inverter
- inrush current
- Prior art date
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- 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
- H05K5/06—Hermetically-sealed casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
Definitions
- the present invention relates to an inverter device.
- Patent Document 1 in an electrical apparatus, a plurality of fins are provided on the cavity side inside a housing in which an electrical component having a large amount of heat is attached, and an electrical component that is a source of electromagnetic noise is disposed inside the housing.
- the electrical components in the upper part of the casing and the electrical parts in the casing are electrically connected by electric wires.
- Patent Document 1 it is necessary to provide a plurality of fins inside the housing in order to dissipate heat from the electrical components at the top of the housing, and electromagnetic waves from the electrical components that are sources of electromagnetic noise.
- the casing In order to reduce the radiation of noise to the outside, it is necessary to make the casing into a box shape and accommodate an electrical component that is a source of electromagnetic noise so as not to collide with a plurality of fins. For this reason, the electric device tends to be large as a whole, and it is difficult to reduce the component mounting space.
- the present invention has been made in view of the above, and an object thereof is to obtain an inverter device capable of reducing a component mounting space.
- an inverter device includes a main surface, a heat dissipating fin disposed on the opposite side of the main surface, and the heat dissipation on the main surface.
- a heat dissipation housing having a first recess provided adjacent to a region corresponding to the fin and a second recess provided adjacent to a region corresponding to the heat dissipation fin in the main surface; and the main surface
- a semiconductor module having a diode module and an inverter module disposed in a region corresponding to the heat dissipating fin, and sealed with a sealing material in the first recess, and an electric current is provided between the diode module and the inverter module. Is connected to the inrush current suppression resistor, and the second recess is sealed with the sealing material, and between the diode module and the inverter module. Characterized in that a regenerative resistor which is gas-connected.
- the present invention it is possible to suppress the height of the heat radiating housing from exceeding the height of the tip of the heat radiating fin, so that the component mounting space can be reduced.
- FIG. 1 is a diagram illustrating a configuration of the inverter device according to the first embodiment.
- FIG. 2 is a diagram illustrating a configuration of the inverter device according to the first embodiment.
- FIG. 3 is a diagram illustrating a configuration of the inverter device according to the second embodiment.
- FIG. 4 is a diagram illustrating a configuration of the inverter device according to the second embodiment.
- FIG. 5 is a diagram illustrating a configuration of the inverter device according to the third embodiment.
- FIG. 6 is a diagram illustrating a configuration of the inverter device according to the third embodiment.
- FIG. 1 is a diagram illustrating a circuit configuration of the inverter device 1.
- the inverter device 1 includes a semiconductor module 10, a smoothing capacitor C, a current detector CT, a control unit CTRL, an inrush current suppression resistor 20, a relay RL, a regenerative resistor 30, a regenerative diode D, a regenerative transistor TR, and a voltage sensor SNS.
- the semiconductor module 10 includes a diode module 10a and an inverter module 10b.
- the inverter device 1 converts the AC power supplied from the power source PS into DC power by the diode module 10a, smoothes the DC power by the smoothing capacitor C, and converts the smoothed DC power to a plurality of switching elements by the inverter module 10b.
- the AC power is converted to AC power by a switching operation, and the converted AC power is supplied to the motor M to drive the motor M.
- a large-capacity capacitor may be used as the smoothing capacitor C. Therefore, a large inrush current may flow into the inverter module 10b when the power source PS is turned on. If a large inrush current flows, a plurality of switching elements in the inverter module 10b may be deteriorated.
- the inrush current suppression resistor 20 and the relay RL are connected in parallel on the P line between the diode module 10a and the inverter module 10b, and the control unit CTRL controls the relay RL when the power supply PS is turned on.
- the output current of the diode module 10a is consumed by the inrush current suppression resistor 20 by being opened. That is, the inrush current suppression resistor 20 is electrically connected between the diode module 10a and the inverter module 10b.
- one end T21 of the inrush current suppression resistor 20 is connected to the P side output terminal T11 of the diode module 10a, and the other end T22 of the inrush current suppression resistor 20 is connected to the P side input terminal T13 of the inverter module 10b. .
- the motor M since the motor M operates as a generator when changing from high speed operation to deceleration operation, the regenerative power from the motor M may increase the bus voltage, and when the bus voltage increases, the inverter device 1 performs proper power conversion. It becomes difficult to perform the operation.
- a regenerative diode D and a regenerative transistor TR are connected between the P line and the N line between the diode module 10a and the inverter module 10b, and between the intermediate node and the P line.
- the regenerative resistor 30 is connected to the control unit CTRL, and when the input voltage of the inverter module 10b detected by the voltage sensor SNS exceeds a predetermined voltage, the regenerative power from the motor M is regenerated by turning on the regenerative transistor TR. It is made to be consumed by the resistor 30. That is, the regenerative resistor 30 is electrically connected between the diode module 10a and the inverter module 10b.
- one end T31 of the regenerative resistor 30 is connected to the P-side output terminal T11 of the diode module 10a, and the other end T32 of the regenerative resistor 30 is connected to the P-side input terminal T13 of the inverter module 10b via the regenerative diode D. And connected to the N-side input terminal T14 of the inverter module 10b via the regenerative transistor TR.
- the inrush current suppression resistor 20 and the regenerative resistor 30 are electrically connected between the diode module 10a and the inverter module 10b in the semiconductor module 10, and therefore when mounted, they are close to the semiconductor module 10. It is preferable to arrange.
- FIG. 2 is a diagram illustrating a mounting form of the inverter device 1
- FIG. 2B is a plan view illustrating a mounting configuration of the inverter device 1
- FIG. 2A is a plan view of FIG. 2B
- FIG. 2C is a cross-sectional view taken along the line AA
- FIG. 2C is a cross-sectional view taken along the line CC of FIG. 2B.
- the inverter device 1 includes a heat dissipation housing 40, a semiconductor module 10, an inrush current suppression resistor 20, and a regenerative resistor 30.
- the heat radiating case 40 accommodates the inrush current suppression resistor 20 and the regenerative resistor 30, the semiconductor module 10 is mounted on the main surface 40 a, and a plurality of heat radiating fins F 1 to F 6 are integrally formed with the main body of the heat radiating case 40. Has been.
- the inrush current suppression resistor 20 and the regenerative resistor 30 are sealed in the heat radiating housing 40 with sealing materials 51 and 52.
- the heat radiating housing 40 has grooves TR1 to TR6 extending in the CC line direction and a line AA while having a substantially rectangular parallelepiped shape as a basic configuration.
- a groove TR7 extending in the direction is formed.
- the heat radiating housing 40 is integrally formed into a shape as shown in FIGS. 2A to 2C, for example, by aluminum die casting.
- the heat radiating casing 40 has grooves TR1 to TR6 and a groove TR7 formed on the opposite side of the main surface 40a, and a plurality of heat radiating fins F1 to F6 are arranged on the opposite side of the main surface 40a. ing.
- a first recess 40b is provided on the main surface 40a of the heat radiating housing 40 in a region 40a2 adjacent to the region 40a1 corresponding to the heat radiating fins F1 to F6.
- the wall portion WL1 surrounding the first recess 40b is separated from the plurality of heat radiating fins F1 to F6 via the groove TR1.
- the first recess 40b has a shape corresponding to the region 40a2, and is formed in, for example, a substantially rectangular parallelepiped shape.
- a second recess 40c is provided in a region 40a3 adjacent to the region 40a1 corresponding to the radiation fins F1 to F6 on the main surface 40a of the heat radiating housing 40.
- the wall portion WL2 surrounding the second recess 40c is separated from the plurality of heat radiating fins F1 to F6 via the groove TR7.
- the second recess 40c has a shape corresponding to the region 40a3, and is formed in a substantially rectangular parallelepiped shape, for example.
- the semiconductor module 10 is disposed in a region 40a1 corresponding to the heat radiation fins F1 to F6 on the main surface 40a of the heat radiation housing 40. As a result, heat generated by the switching operation of the plurality of switching elements in the semiconductor module 10 can be efficiently radiated from the region 40a1 on the main surface 40a through the radiation fins F1 to F6.
- the inrush current suppression resistor 20 is accommodated in the first recess 40b and sealed with the sealing material 51 in the first recess 40b.
- the sealing material 51 is, for example, cement having thermal conductivity, and transmits heat generated by the inrush current suppression resistor 20 to the wall portion WL ⁇ b> 1 of the heat radiating housing 40. Thereby, the heat generated by the inrush current suppression resistor 20 can be efficiently radiated from the sealing material 51 through the wall portion WL1. Further, since the wall portion WL1 is separated from the radiation fins F1 to F6, the heat generated by the inrush current suppression resistor 20 can be radiated without interfering with the heat radiation path of the heat generated by the semiconductor module 10.
- the regenerative resistor 30 is accommodated in the second recess 40c and sealed with a sealing material 52 in the second recess 40c.
- the sealing material 52 is, for example, cement having thermal conductivity, and transmits heat generated by the regenerative resistor 30 to the wall portion WL ⁇ b> 2 of the heat radiating housing 40. Thereby, the heat generated in the regenerative resistor 30 can be efficiently dissipated from the sealing material 52 through the wall portion WL2. Further, since the wall portion WL2 is separated from the radiation fins F1 to F6, the heat generated by the regenerative resistor 30 can be radiated without interfering with the heat radiation path of the heat generated by the semiconductor module 10.
- the semiconductor module 10 has terminal pins P-Tr, P-Ts, and P-Tt as input terminals Tr, Ts, and Tt (FIG. 1) of the diode module 10a, and the terminal pins P-Tr, P-Ts, P-Tt is connected to the power source PS (see FIG. 1) via the printed wiring board PCB.
- the semiconductor module 10 has terminal pins PT11 and PT12 as output terminals T11 and T12 (see FIG. 1) of the diode module 10a, and the terminal pin PT11 suppresses inrush current via the printed wiring board PCB. It is connected to one end T21 of the resistor 20 and one end T31 (see FIG. 1) of the regenerative resistor 30.
- the terminal pin PT11 is connected to the N-side input terminal T14 (see FIG. 1) of the inverter module 10b via the printed wiring board PCB.
- the semiconductor module 10 has terminal pins PT13 and PT14 as input terminals T13 and T14 (see FIG. 1) of the inverter module 10b, and the terminal pin PT13 suppresses inrush current via the printed wiring board PCB.
- the resistor 20 is connected to the other end T22 (see FIG. 1) and is connected to the other end T32 (see FIG. 1) of the regenerative resistor 30 through the printed circuit board PCB and the regenerative diode D (see FIG. 1). Yes.
- the semiconductor module 10 has terminal pins P-Tu, P-Tv, and P-Tw as output terminals Tu, Tv, and Tw of the inverter module 10b.
- the terminal pins P-Tu, P-Tv, and P-Tw are printed It is connected to a motor M (see FIG. 1) via a wiring board PCB.
- the smoothing capacitor C, the relay RL, the regenerative diode D, the regenerative transistor TR, and the voltage sensor SNS shown in FIG. 1 are not shown in FIG. 2, but may be mounted on, for example, a printed wiring board PCB, It may be mounted at a position adjacent to the wiring board PCB.
- the heat dissipation housing in which the semiconductor module 10 is arranged on the main surface is formed in a box shape, and the inrush current suppression resistor 20 and the regenerative resistor 30 are mounted therein.
- the inrush current suppression resistor 20 and the regenerative resistor 30 are provided in order to dissipate heat from the semiconductor module 10 on the main surface of the heat dissipating case. It is necessary to accommodate it so that it does not hit the radiating fin. For this reason, the inverter device tends to be large as a whole, and it is difficult to reduce the component mounting space.
- the inrush current suppression resistor 20 is sealed with the sealing material 51 in the first recess 40b provided adjacent to the region corresponding to the radiation fins F1 to F6 on the main surface 40a.
- the regenerative resistor 30 is sealed with a sealing material 52 in a second recess 40b provided adjacent to a region corresponding to the heat radiation fins F1 to F6 on the main surface 40a.
- the inrush current suppression resistor 20 and the regenerative resistor 30 are mounted on the printed circuit board PCB.
- the manufacturing cost of the inrush current suppression resistor 20 and the regenerative resistor 30 is likely to be high, and the manufacturing cost of the inverter device may be high.
- the inrush current suppression resistor 20 and the regenerative resistor 30 are embedded in the first recess 40b and the second recess 40c, and the ceramics covered to protect the built-in resistance Since an aluminum housing is not required, the functions of regenerative resistance and inrush current suppression resistance can be obtained at low cost. Thereby, the manufacturing cost of the inrush current suppression resistor 20 and the regenerative resistor 30 can be reduced, and the manufacturing cost of the inverter device can be reduced. Further, since the inrush current suppression resistor 20 and the regenerative resistor 30 are embedded in the first recess 40b and the second recess 40c, it is not necessary to attach them with a fixed screw or the like, and the number of assembly steps can be reduced.
- the inrush current suppression resistor 20 electrically connected between the diode module 10a and the inverter module 10b is sealed in the first recess 40b located adjacent to the semiconductor module 10.
- the regenerative resistor 30 electrically connected between the diode module 10 a and the inverter module 10 b is sealed in the second recess 40 c located at a position adjacent to the semiconductor module 10.
- the heat radiating housing 40 is integrally formed by, for example, aluminum die casting. Since the radiating fins F1 to F6 are integrated with the radiating casing 40, it is not necessary to connect the radiating fins F1 to F6 to the radiating casing 40, and the number of assembling steps can be reduced.
- the heat radiating housing in which the semiconductor module 10 is arranged on the main surface is formed in a box shape, a plurality of heat radiating fins are provided therein, and the inrush current suppression resistor 20 and the regenerative resistor 30 are heated between the heat radiating fins.
- the heat generated in the semiconductor module 10 is radiated from the main surface of the heat radiating case through the heat radiating fins, the heat generated in the inrush current suppression resistor 20 and the regenerative resistor 30 is likely to interfere.
- the wall WL1 surrounding the first recess 40b is separated from the plurality of radiating fins F1 to F6 via the groove TR1.
- the heat generated in the inrush current suppression resistor 20 can be radiated without interfering with the heat radiation path of the heat generated in the semiconductor module 10.
- the wall portion WL2 surrounding the second recess 40c is separated from the plurality of heat radiation fins F1 to F6 via the groove TR7.
- the heat generated in the regenerative resistor 30 can be radiated without interfering with the heat radiation path of the heat generated in the semiconductor module 10. Therefore, efficient heat dissipation is easy for each of the semiconductor module 10, the inrush current suppression resistor 20, and the regenerative resistor 30.
- Embodiment 2 an inverter device 1i according to the second embodiment will be described. Below, it demonstrates focusing on a different part from Embodiment 1.
- FIG. 1 is a diagrammatic representation of Embodiment 1.
- the temperatures of the inrush current suppression resistor 20 and the regenerative resistor 30 are not particularly considered, but in the second embodiment, the temperatures of the inrush current suppression resistor 20 and the regenerative resistor 30 can be monitored.
- the inverter device 1i further includes a temperature sensor (first temperature sensor) 61i and a temperature sensor (second temperature sensor) 62i.
- FIG. 3 is a diagram illustrating a circuit configuration of the inverter device 1i.
- the temperature sensor 61i detects the temperature of the inrush current suppression resistor 20 and supplies the detection result to the control unit CTRL.
- the temperature sensor 62i detects the temperature of the regenerative resistor 30 and supplies the detection result to the control unit CTRL.
- the control unit CTRL compares, for example, the temperature of the inrush current suppression resistor 20 with a predetermined first threshold according to the detection result of the temperature sensor 61i and the detection result of the temperature sensor 62i, and the temperature of the regenerative resistor 30 and the predetermined value. It is determined whether or not abnormal heat generation has occurred in at least one of the inrush current suppression resistor 20 and the regenerative resistor 30 by comparing with a second threshold value or the like. When the abnormal heat generation occurs in at least one of the inrush current suppression resistor 20 and the regenerative resistor 30, the control unit CTRL stops the inverter device 1i by turning off the power source PS. Thereby, at least one of the inrush current suppression resistor 20 and the regenerative resistor 30 can be prevented from burning.
- FIG. 4 is a diagram showing a mounting configuration of the inverter device 1i.
- the temperature sensor 61i is housed in the first recess 40b together with the inrush current suppression resistor 20, and is sealed in the first recess 40b together with the inrush current suppression resistor 20 by the sealing material 51. Thereby, the temperature sensor 61 i can detect the temperature of the inrush current suppression resistor 20.
- a wiring (not shown) is connected to the control unit CTRL (see FIG. 3) via the printed wiring board PCB.
- the temperature sensor 61i is, for example, a thermistor, a resistance temperature detector, a thermocouple, or the like.
- the temperature sensor 62i is housed in the second recess 40c together with the regenerative resistor 30 and is sealed in the second recess 40c together with the regenerative resistor 30 by the sealing material 52. Thereby, the temperature sensor 62 i can detect the temperature of the regenerative resistor 30.
- a wiring (not shown) is connected to the control unit CTRL (see FIG. 3) via the printed wiring board PCB.
- the temperature sensor 62i is, for example, a thermistor, a resistance temperature detector, a thermocouple, or the like.
- the temperature sensor 61i is sealed with the sealing material 51 together with the inrush current suppression resistor 20 in the first recess 40b, and the temperature sensor 62i is in the second recess 40c. It is sealed with a sealing material 52 together with the regenerative resistor 30. Thereby, the temperature of the inrush current suppression resistor 20 and the regenerative resistor 30 can be monitored while suppressing an increase in the component mounting space.
- Embodiment 3 An inverter device 1j according to the third embodiment will be described. Below, it demonstrates focusing on a different part from Embodiment 1.
- FIG. 1 An inverter device 1j according to the third embodiment will be described. Below, it demonstrates focusing on a different part from Embodiment 1.
- FIG. 1 An inverter device 1j according to the third embodiment will be described. Below, it demonstrates focusing on a different part from Embodiment 1. FIG.
- the printed wiring board PCB is interposed in the electrical connection between the semiconductor module 10 and the inrush current suppression resistor 20 and the regenerative resistor 30.
- the semiconductor module 10 and the inrush current are inrush.
- the printed wiring board PCB is not interposed in the electrical connection between the current suppression resistor 20 and the regenerative resistor 30.
- the semiconductor module 10j further includes a regenerative diode D, a regenerative transistor TR, and a voltage sensor SNS in addition to the diode module 10a and the inverter module 10b.
- the semiconductor module 10j it is possible to provide the terminal T111j and the terminal T131j as terminals to be directly connected to the one end T21 and the other end T22 of the inrush current suppression resistor 20, and the one end T31 and the other end of the regenerative resistor 30. It is possible to provide a terminal T112j and a terminal T132j as terminals to be directly connected to T32.
- FIG. 6 is a diagram showing a mounting configuration of the inverter device 1j.
- the semiconductor module 10j has terminal pins P-T111j and P-T131j as terminals T111j and T131j (see FIG. 5).
- the terminal pins P-T111j and P-T131j extend from the semiconductor module 10j to the inside of the first recess 40b. It extends and is connected to both ends T21 and T22 (see FIG. 5) of the inrush current suppression resistor 20.
- the semiconductor module 10j has terminal pins P-T112j and P-T132j as a terminal T112j and a terminal T132j (see FIG. 5).
- the terminal pins P-T112j and P-T132j are located in the second recess 40c from the semiconductor module 10j. And is connected to both ends T31 and T32 (see FIG. 5) of the regenerative resistor 30.
- the terminal pins P-T111j and P-T131j extend from the semiconductor module 10j into the first recess 40b and are connected to both ends of the inrush current suppression resistor 20, and the terminal pin P -T112j and P-T132j extend from the semiconductor module 10j into the second recess 40c and are connected to both ends of the regenerative resistor 30.
- the width W in the planar direction of the heat radiating housing 40 can be easily reduced, and the component mounting space can be further reduced.
- the number of wires between each of the inrush current suppression resistor 20 and the regenerative resistor 30 and each of the diode module 10a and the inverter module 10b can be reduced, and the number of assembly steps can be further reduced.
- the inverter device according to the present invention is useful for mounting a semiconductor module.
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Abstract
Description
実施の形態1にかかるインバータ装置1の回路構成について図1を用いて説明する。図1は、インバータ装置1の回路構成を示す図である。
次に、実施の形態2にかかるインバータ装置1iについて説明する。以下では、実施の形態1と異なる部分を中心に説明する。
次に、実施の形態3にかかるインバータ装置1jについて説明する。以下では、実施の形態1と異なる部分を中心に説明する。
10、10j 半導体モジュール
10a ダイオードモジュール
10b インバータモジュール
20 突入電流抑制抵抗
30 回生抵抗
40 放熱筐体
40a 主面
40b 第1の凹部
40c 第2の凹部
51、52 封止材
61i、62i 温度センサ
F1~F6 放熱フィン
Claims (4)
- 主面と、前記主面の反対側に配された放熱フィンと、前記主面における前記放熱フィンに対応した領域に隣接して設けられた第1の凹部と前記主面における前記放熱フィンに対応した領域に隣接して設けられた第2の凹部とを有する放熱筐体と、
前記主面における前記放熱フィンに対応した領域に配され、ダイオードモジュール及びインバータモジュールを有する半導体モジュールと、
前記第1の凹部内に封止材で封止され、前記ダイオードモジュールと前記インバータモジュールとの間に電気的に接続された突入電流抑制抵抗と、
前記第2の凹部内に前記封止材で封止され、前記ダイオードモジュールと前記インバータモジュールとの間に電気的に接続された回生抵抗と、
を備えたことを特徴とするインバータ装置。 - 前記放熱筐体は、アルミダイカストで一体成形されている
ことを特徴とする請求項1に記載のインバータ装置。 - 前記第1の凹部内に前記封止材で封止され、前記突入電流抑制抵抗の温度を検知する第1の温度センサと、
前記第2の凹部内に前記封止材で封止され、前記回生抵抗の温度を検知する第2の温度センサと、
をさらに備えた
ことを特徴とする請求項1に記載のインバータ装置。 - 前記半導体モジュールは、
前記ダイオードモジュールに接続された第1の端子ピンと、
前記インバータモジュールに接続された第2の端子ピンと、
前記ダイオードモジュールに接続された第3の端子ピンと、
前記インバータモジュールに接続された第4の端子ピンと、
をさらに有し、
前記第1の端子ピン及び前記第2の端子ピンは、前記半導体モジュールから前記第1の凹部内まで延びて前記突入電流抑制抵抗の両端に接続されており、
前記第3の端子ピン及び前記第4の端子ピンは、前記半導体モジュールから前記第2の凹部内まで延びて前記回生抵抗の両端に接続されている
ことを特徴とする請求項1に記載のインバータ装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/397,913 US9474189B2 (en) | 2012-05-23 | 2012-05-23 | Inverter device |
CN201280073386.8A CN104335471B (zh) | 2012-05-23 | 2012-05-23 | 逆变器装置 |
JP2013513884A JP5362141B1 (ja) | 2012-05-23 | 2012-05-23 | インバータ装置 |
PCT/JP2012/063232 WO2013175597A1 (ja) | 2012-05-23 | 2012-05-23 | インバータ装置 |
TW101141745A TWI493817B (zh) | 2012-05-23 | 2012-11-09 | 反相器裝置 |
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PCT/JP2012/063232 WO2013175597A1 (ja) | 2012-05-23 | 2012-05-23 | インバータ装置 |
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US (1) | US9474189B2 (ja) |
JP (1) | JP5362141B1 (ja) |
CN (1) | CN104335471B (ja) |
TW (1) | TWI493817B (ja) |
WO (1) | WO2013175597A1 (ja) |
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JP2018196272A (ja) * | 2017-05-19 | 2018-12-06 | 三菱電機株式会社 | インバータ装置 |
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JP2017017805A (ja) * | 2015-06-29 | 2017-01-19 | ファナック株式会社 | 初期充電回路の異常発熱を検出する手段を有するモータ駆動装置 |
JP2018196272A (ja) * | 2017-05-19 | 2018-12-06 | 三菱電機株式会社 | インバータ装置 |
JP2019187002A (ja) * | 2018-04-04 | 2019-10-24 | ファナック株式会社 | モータ駆動装置およびモータ駆動装置の異常発熱検出方法 |
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Also Published As
Publication number | Publication date |
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CN104335471A (zh) | 2015-02-04 |
JP5362141B1 (ja) | 2013-12-11 |
TWI493817B (zh) | 2015-07-21 |
US20150131233A1 (en) | 2015-05-14 |
CN104335471B (zh) | 2017-11-10 |
JPWO2013175597A1 (ja) | 2016-01-12 |
TW201349690A (zh) | 2013-12-01 |
US9474189B2 (en) | 2016-10-18 |
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