JP2014180157A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2014180157A5 JP2014180157A5 JP2013053029A JP2013053029A JP2014180157A5 JP 2014180157 A5 JP2014180157 A5 JP 2014180157A5 JP 2013053029 A JP2013053029 A JP 2013053029A JP 2013053029 A JP2013053029 A JP 2013053029A JP 2014180157 A5 JP2014180157 A5 JP 2014180157A5
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- power module
- switching element
- fin
- operation restriction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000020169 heat generation Effects 0.000 claims 1
Claims (4)
前記パワーモジュールに内蔵され、かつ、前記パワーモジュールに内蔵されるスイッチング素子の温度を検出する素子温度センサと、
前記放熱フィンの温度を検出するフィン温度センサと、
前記素子温度センサで検出された素子温度と前記フィン温度センサで検出されたフィン温度との温度差を求め、素子温度がフィン温度より高く、かつ、前記温度差が所定の閾値以上である場合、前記スイッチング素子の動作を制限させる動作制限指令を生成して前記スイッチング素子の駆動回路に対して出力する動作制限回路と、
を備えたことを特徴とするパワーモジュール保護装置。 A power module protection device for protecting a switching element built in a power module attached to a heat radiation fin,
An element temperature sensor that is built in the power module and detects the temperature of a switching element built in the power module;
A fin temperature sensor for detecting the temperature of the heat dissipating fins;
When the temperature difference between the element temperature detected by the element temperature sensor and the fin temperature detected by the fin temperature sensor is obtained, the element temperature is higher than the fin temperature, and the temperature difference is not less than a predetermined threshold value, An operation restriction circuit that generates an operation restriction command for restricting the operation of the switching element and outputs the operation restriction command to the drive circuit of the switching element; and
A power module protection device comprising:
前記動作制限回路は、
前記温度差を求め、素子温度がフィン温度より高く、かつ、前記温度差が所定の閾値以上であるか否かを判定する異常判定部と、
前記異常判定部からの判定結果を受信したとき、前記動作制限指令を生成して前記スイッチング素子の駆動回路に対して出力する第１の動作制限部と、
前記異常判定部からの判定結果を受信したとき、前記センサレスパワーモジュールに内蔵されたスイッチング素子の動作を制限させる動作制限指令を生成してこのスイッチング素子の駆動回路に対して出力する第２の動作制限部と、
を備えたことを特徴とする請求項１に記載のパワーモジュール保護装置。 The heat radiation fin is attached with the power module and a sensorless power module that does not incorporate the element temperature sensor,
The operation limiting circuit is
An abnormality determination unit that obtains the temperature difference , determines whether the element temperature is higher than the fin temperature, and whether the temperature difference is equal to or greater than a predetermined threshold; and
A first operation restriction unit that generates the operation restriction command and outputs the operation restriction command to the drive circuit of the switching element when receiving a determination result from the abnormality determination unit;
A second operation of generating an operation restriction command for restricting the operation of the switching element incorporated in the sensorless power module and outputting the operation restriction command to the drive circuit of the switching element when the determination result from the abnormality determination unit is received A restriction section;
The power module protection device according to claim 1, further comprising:
前記第２の動作制限部は、この異常判定部からの判定結果を受信したとき、このスイッチング素子の動作を制限させる動作制限指令を生成することを特徴とする請求項２に記載のパワーモジュール保護装置。 The abnormality determination unit obtains the temperature difference, and when the fin temperature is higher than the element temperature and the temperature difference is equal to or higher than a predetermined threshold, abnormal heat generation of the switching element built in the sensorless power module occurs. It is determined that
3. The power module protection according to claim 2, wherein the second operation restriction unit generates an operation restriction command for restricting the operation of the switching element when receiving the determination result from the abnormality determination unit. apparatus.
前記パワーモジュールに内蔵され、かつ、前記パワーモジュールに内蔵されるスイッチング素子の温度を検出する素子温度センサと、
前記放熱フィンの温度を検出するフィン温度センサと、
前記素子温度センサで検出された素子温度と前記フィン温度センサで検出されたフィン温度との温度差を求め、この温度差が所定の閾値以上である場合、前記スイッチング素子の動作を制限させる動作制限指令を生成して前記スイッチング素子の駆動回路に対して出力する動作制限回路と、
を備えたことを特徴とするパワーモジュール保護装置。
A power module protection device for protecting a switching element built in a power module attached to a heat radiation fin,
An element temperature sensor that is built in the power module and detects the temperature of a switching element built in the power module;
A fin temperature sensor for detecting the temperature of the heat dissipating fins;
An operation restriction that obtains a temperature difference between the element temperature detected by the element temperature sensor and the fin temperature detected by the fin temperature sensor, and restricts the operation of the switching element when the temperature difference is equal to or greater than a predetermined threshold. An operation limiting circuit that generates a command and outputs the command to the driving circuit of the switching element;
A power module protection device comprising:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013053029A JP6049506B2 (en) | 2013-03-15 | 2013-03-15 | Power module protection device |
| CN201420086734.1U CN203747396U (en) | 2013-03-15 | 2014-02-27 | Power module protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013053029A JP6049506B2 (en) | 2013-03-15 | 2013-03-15 | Power module protection device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014180157A JP2014180157A (en) | 2014-09-25 |
| JP2014180157A5 true JP2014180157A5 (en) | 2015-08-13 |
| JP6049506B2 JP6049506B2 (en) | 2016-12-21 |
Family
ID=51347155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013053029A Expired - Fee Related JP6049506B2 (en) | 2013-03-15 | 2013-03-15 | Power module protection device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6049506B2 (en) |
| CN (1) | CN203747396U (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018037472A1 (en) | 2016-08-23 | 2018-03-01 | 日産自動車株式会社 | Temperature abnormality detection method for power conversion device and temperature abnormality detection device for power conversion device |
| JP6619393B2 (en) * | 2017-06-28 | 2019-12-11 | 三菱電機株式会社 | Power converter |
| RU2729775C1 (en) * | 2017-07-28 | 2020-08-12 | Ниссан Мотор Ко., Лтд. | Device protection equipment and device protection method |
| WO2019198184A1 (en) * | 2018-04-11 | 2019-10-17 | 日産自動車株式会社 | Machine protection device and machine protection method |
| JP6594583B1 (en) * | 2018-08-22 | 2019-10-23 | 三菱電機株式会社 | Programmable logic controller, CPU unit, and functional unit |
| CN110425711B (en) * | 2019-09-05 | 2021-12-21 | 宁波奥克斯电气股份有限公司 | Temperature control method and device of intelligent power module and air conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3889562B2 (en) * | 2000-09-04 | 2007-03-07 | 株式会社日立製作所 | Semiconductor device |
| JP2005130568A (en) * | 2003-10-22 | 2005-05-19 | Toyota Motor Corp | Inspection method of power module |
| JP2005327855A (en) * | 2004-05-13 | 2005-11-24 | Hitachi Cable Ltd | Communications apparatus with temperature monitoring function and optical transceiver |
| JP5079175B1 (en) * | 2011-10-06 | 2012-11-21 | 三菱電機株式会社 | Power converter |
-
2013
- 2013-03-15 JP JP2013053029A patent/JP6049506B2/en not_active Expired - Fee Related
-
2014
- 2014-02-27 CN CN201420086734.1U patent/CN203747396U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2014180157A5 (en) | ||
| JP2014507110A5 (en) | ||
| WO2014145293A3 (en) | Thermoelectric device | |
| MY161719A (en) | Sensor abnormality determining apparatus | |
| RU2016106957A (en) | MANUAL MACHINE POWER SUPPLY DEVICE | |
| WO2014003902A3 (en) | System and method for adaptive thermal management in a portable computing device | |
| JP2015053749A5 (en) | ||
| JP2015214174A5 (en) | ||
| FR3042658B1 (en) | THERMAL MANAGEMENT DEVICE OF AN ELECTRIC MOTOR POWERTRAIN. | |
| MX2019002001A (en) | Temperature abnormality detection method for power conversion device and temperature abnormality detection device for power conversion device. | |
| IN2014MU01105A (en) | ||
| WO2016196929A3 (en) | Micro-hoses for integrated circuit and device level cooling | |
| JP2013042122A5 (en) | ||
| JP6049506B2 (en) | Power module protection device | |
| JP2011243888A5 (en) | ||
| JP6082780B2 (en) | Heat dissipation method applied to multi-axis controllers | |
| JP2016514301A5 (en) | ||
| GB201903463D0 (en) | Semiconductor power module to protect against short circuit event | |
| JP2014178264A5 (en) | ||
| JP2017028803A5 (en) | ||
| WO2014191721A3 (en) | Boiler control system and method | |
| JP2018026231A5 (en) | ||
| EP2756979A3 (en) | Drive device for railway vehicle | |
| WO2015057398A8 (en) | Thermal protection for electrical device | |
| JP2015012261A5 (en) |