CN101667044A - Working temperature control device for high-power power electronic device - Google Patents
Working temperature control device for high-power power electronic device Download PDFInfo
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- CN101667044A CN101667044A CN200910187661A CN200910187661A CN101667044A CN 101667044 A CN101667044 A CN 101667044A CN 200910187661 A CN200910187661 A CN 200910187661A CN 200910187661 A CN200910187661 A CN 200910187661A CN 101667044 A CN101667044 A CN 101667044A
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Abstract
The invention relates to a working temperature control device for a high-power power electronic device, consisting of a circulated water cooling device. A heater is arranged in the circulation loop, a2-position 3-way electromagnetic valve controls the switching between the heater and the radiator, a temperature sensor of the controller is arranged at a water outlet of the water cooling plate of the power electronic device, and the output end of the controller is connected with the 2-position 3-way electromagnetic valve. The working temperature control device has the advantages of high heat transfer efficiency, even pre-heating, short pre-heating time, high efficiency and reduced energy consumption.
Description
Technical field
The invention belongs to the power electronic devices applied technical field, relate in particular to a kind of working temperature control device for high-power power electronic device.
Background technology
It is general that to adopt the operating ambient temperature of the current transformer of IGBT be-25 ℃～+ 70 ℃ ,-25 ℃～-40 ℃ can normal storage, take to add gentle freeze prevention measure after, but in operate as normal below-25 ℃.The working environment minimum temperature of the current transformer that has is limited in-10 ℃ or 0 ℃.In the low temperature situation below 0 ℃, in the little range of current VCE (sat) static characteristic as shown in the figure, under the situation low more in temperature, that electric current is more little, the value of VCE is big more.VCE is the feedback signal that detects the IGBT short circuit.Such as; be positioned at two IGBT modules on the same brachium pontis; when false triggering takes place or destroys in one of them IGBT, trigger another IGBT, will cause the brachium pontis short circuit; flow out rapid short circuit dischange electric current from filter capacitor; after short-circuit current flows through normal IGBT, will be at the voltage that produces between the C-E of the IGBT utmost point more than the 10V, after short-circuit protection circuit detects this voltage; block trigger pulse immediately, IGBT is protected.Under the situation of low temperature, little electric current, also produce the above voltage of 10V between the C-E utmost point of IGBT, can cause the short-circuit protection misoperation.Static characteristic is not the parameter that directly influences the switch motion of IGBT, and is irrelevant with the switching characteristic of IGBT, so general underground its technical data of power-supply device producer.
At cold district; winter temperature is lower than-25 ℃ through regular meeting; some regional temperature can be lower than-40 ℃; in the case; for the current transformer that need work out of doors,, need add heat control to unsteady flow cabinet inner control system electronic element and IGBT module such as Locomotive Converter, oil drilling current transformer etc.; when temperature reaches the minimum temperature limits value, could start current transformer.With the electric locomotive of HXD3 type is example, and this locomotive main convertor adopts water-filled radiator, and preheating circuit adopts the cast resistance preheat, locomotive is when low temperature, and the IGBT module is very long preheating time, and pre-heat effect is not obvious, and consume a large amount of storage battery energies, cause the locomotive storage batteries power shortage easily.
For unsteady flow cabinet inner control system electronic element, on the one hand can be by the strict type selecting of electronic devices and components, its adaptation is being worked under the environment temperature more than-40 ℃, on the other hand, little, the thermal capacity of electronic component volume, by electric heater or cast resistance preheat circuit board, the temperature of circuit board electronic component and surrounding air is raise.For IGBT module in the unsteady flow cabinet, prior art is by electric heater or cast resistance preheat IGBT module, because IGBT module and heating radiator assembling volume are big, thermal capacity is big, this pre-heating mean preheating time is long, energy consumption is big, preheating is inhomogeneous, heat insulation effect to surrounding environment requires height, does not often reach good pre-heat effect.
Summary of the invention
Purpose of the present invention overcomes the deficiency of above-mentioned prior art exactly, and a kind of working temperature control device for high-power power electronic device is provided.
The objective of the invention is existing like this: a kind of working temperature control device for high-power power electronic device, constitute by recirculated water cooling and radiation device, it is characterized in that in closed circuit, being provided with a well heater, switching between two-position three way magnetic valve control heater and the heating radiator, the temperature sensor of controller is located at power electronic devices head cold drawing water delivering orifice place, and the output terminal of controller is connected to two-position three way magnetic valve.
After adopting the solution of the present invention,, flow through the device coldplate by the liquid coolant of well heater preheating, heat transferred mode between liquid coolant and coldplate and the device is a conduction pattern, the heat transference efficiency height, and preheating is even, and preheating time is short, efficient is high, cuts down the consumption of energy.
Description of drawings
Accompanying drawing 1 is the principle schematic of the embodiment of the invention.
Embodiment
Referring to accompanying drawing, describe embodiments of the invention in detail.The working temperature control device for high-power power electronic device of the embodiment of the invention mainly comprises device coldplate, water-circulating pump, heating radiator, replenisher tank, various valve, instrument and detecting element, outside pipe arrangement etc., and heating inserts closed circuit by two-position three way magnetic valve.The temperature sensor of controller is located at IGBT device coldplate liquid coolant water delivering orifice place, and output terminal is pressed to two-position three way magnetic valve.During device work, the coolant temperature of temperature sensor detection means coldplate outlet, if be lower than minimum operating ambient temperature limits value, controller then switches to well heater by two-position three way magnetic valve Control Circulation loop and is communicated with, and realizes the preheating of IGBT; If be higher than minimum operating ambient temperature limits value, controller then switches to heating radiator by two-position three way magnetic valve Control Circulation loop and is communicated with, and realizes the heat radiation of IGBT.
Claims (1)
1, a kind of working temperature control device for high-power power electronic device, constitute by recirculated water cooling and radiation device, it is characterized in that in closed circuit, being provided with a well heater, switching between two-position three way magnetic valve control heater and the heating radiator, the temperature sensor of controller is located at power electronic devices head cold drawing water delivering orifice place, and the output terminal of controller is connected to two-position three way magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910187661A CN101667044A (en) | 2009-09-25 | 2009-09-25 | Working temperature control device for high-power power electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910187661A CN101667044A (en) | 2009-09-25 | 2009-09-25 | Working temperature control device for high-power power electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101667044A true CN101667044A (en) | 2010-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200910187661A Pending CN101667044A (en) | 2009-09-25 | 2009-09-25 | Working temperature control device for high-power power electronic device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101909374A (en) * | 2010-08-19 | 2010-12-08 | 中国水电建设集团十五工程局有限公司 | Intermediate frequency heating system |
| CN104679060A (en) * | 2015-02-10 | 2015-06-03 | 柳州市金旭节能科技有限公司 | Temperature control system for high-power electronic equipment |
| CN108334123A (en) * | 2018-02-07 | 2018-07-27 | 北京金风科创风电设备有限公司 | Temperature control system for converter of wind generating set and control method thereof |
| CN109873558A (en) * | 2017-12-04 | 2019-06-11 | 中国船舶重工集团海装风电股份有限公司 | A kind of precharge of current transformer and heater circuit and its control method |
| CN110554717A (en) * | 2019-08-15 | 2019-12-10 | 国电南瑞科技股份有限公司 | Radiating fan speed setting method suitable for closed-loop temperature regulation of power electronic device |
| CN111426891A (en) * | 2019-11-19 | 2020-07-17 | 杭州大和热磁电子有限公司 | Cooling and heating device for electronic equipment test and control method thereof |
| CN112327967A (en) * | 2020-10-19 | 2021-02-05 | 珠海格力电器股份有限公司 | Temperature control device and method of power device and electrical equipment |
-
2009
- 2009-09-25 CN CN200910187661A patent/CN101667044A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101909374A (en) * | 2010-08-19 | 2010-12-08 | 中国水电建设集团十五工程局有限公司 | Intermediate frequency heating system |
| CN104679060A (en) * | 2015-02-10 | 2015-06-03 | 柳州市金旭节能科技有限公司 | Temperature control system for high-power electronic equipment |
| CN109873558A (en) * | 2017-12-04 | 2019-06-11 | 中国船舶重工集团海装风电股份有限公司 | A kind of precharge of current transformer and heater circuit and its control method |
| CN109873558B (en) * | 2017-12-04 | 2020-07-14 | 中国船舶重工集团海装风电股份有限公司 | Converter pre-charging and heating circuit and control method thereof |
| CN108334123A (en) * | 2018-02-07 | 2018-07-27 | 北京金风科创风电设备有限公司 | Temperature control system for converter of wind generating set and control method thereof |
| CN110554717A (en) * | 2019-08-15 | 2019-12-10 | 国电南瑞科技股份有限公司 | Radiating fan speed setting method suitable for closed-loop temperature regulation of power electronic device |
| CN110554717B (en) * | 2019-08-15 | 2021-08-24 | 国电南瑞科技股份有限公司 | Radiating fan speed setting method suitable for closed-loop temperature regulation of power electronic device |
| CN111426891A (en) * | 2019-11-19 | 2020-07-17 | 杭州大和热磁电子有限公司 | Cooling and heating device for electronic equipment test and control method thereof |
| CN112327967A (en) * | 2020-10-19 | 2021-02-05 | 珠海格力电器股份有限公司 | Temperature control device and method of power device and electrical equipment |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100310 |