CN102573412B - Control apparatus with cooling function - Google Patents
Control apparatus with cooling function Download PDFInfo
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- CN102573412B CN102573412B CN201110391957.XA CN201110391957A CN102573412B CN 102573412 B CN102573412 B CN 102573412B CN 201110391957 A CN201110391957 A CN 201110391957A CN 102573412 B CN102573412 B CN 102573412B
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Abstract
The present invention provides a control apparatus with a cooling function, which is capable of realizing the miniaturization of a radiator and excellently generating cool air. The control apparatus with a cooling function is equipped with in a sealing framework (11): a power element (21, 22) generating heat when working; a control substrate (33) equipped with a control circuit for controlling the power element, wherein the control apparatus with a cooling function cools the power element and the control substrate, and comprises a radiator (12) equipped with the power element and used for cooling the power element; a cooling air generating portion (24) comprising radiating fins (25) mounted at a portion of the radiator; a first air feed fan (26) arranged at the periphery of the radiator; and a cooling air circulating channel enabling the cooling air generated at the cooling air generating portion to circulate inside the framework.
Description
Technical field
The present invention relates to the control device of band refrigerating function, it is at least configured with in sealing framework: the semiconductor module generated heat during work; With the control substrate being provided with the control circuit controlling this semiconductor module, the control device of this band refrigerating function cools above-mentioned semiconductor module and controls substrate.
Background technology
Arrange in the field of the power electronics of circuit block in the framework with the airtight construction such as DC-to-AC converter, Switching Power Supply, in order to eliminate the loss disperseing the heating of the circuit block distributed to produce in framework, and refrigerating function is set.
Circuit block produces mainly semiconductor module, the reactor of loss.When framework adopts airtight construction, make the direct Fluid Contacting cold heat sink of the major heat producing components such as semiconductor module, reactor sometimes, utilize and externally dispel the heat in the cooling fluid of this liquid cooling heat radiator Inner eycle.Now, the circuit block that the electrolytic capacitor, printed base plate etc. that form control device scatter in framework, also has the loss of several about W, needs to make them dispel the heat rapidly, the temperature of each circuit block is remained on below higher limit.
When utilizing free convection to cool the heat that the parts be dispersed in framework send, in framework, heat exchange is carried out on air and framework wall and liquid cooling heat radiator surface.In the method, the circuit block that hope is dispelled the heat is installed on framework wall, or the accumulation of heat produced each other to prevent circuit block and guarantee free convection wind path, or increase the thickness of wall in order to the heat exchange effectively carrying out framework wall, these measures all become the restriction of the design aspect of control device.
Therefore, proposed a kind of cooling device of electronic equipment at present, in airtight framework, made the liquid cooling heat radiator of band fin integrated with fan, (such as reference literature 1) is blown in the circulation utilizing fan to carry out in framework.
Patent documentation 1: Japanese Unexamined Patent Publication 8-186388 publication
Summary of the invention
But, in the existing example that above-mentioned patent documentation 1 is recorded, the liquid cooling heat radiator of fin integral type is used in airtight framework, therefore the circuit block of the air-supply of blocking from fan can not be installed, an open question that therefore still to have that liquid cooling heat radiator must increase, control device maximizes such in the part being formed with fin.
So, the present invention in view of above-mentioned existing example an open question and propose, its object is to provide a kind of and radiator can be made miniaturized and the control device of the band refrigerating function of the generation of cooling air can be carried out well.
In order to achieve the above object, the feature of the control device of the band refrigerating function of one aspect of the present invention is, is at least configured with: the power component generated heat during work in sealing framework; With the control substrate being provided with the control circuit controlling this power component, the control device of this band refrigerating function cools above-mentioned power component and controls substrate, and the control device of this band refrigerating function comprises: install above-mentioned power component and the radiator cooled above-mentioned power component; Cooling air generating unit, it has: the fin installed in a part for this radiator; And the first Air Blast fan be arranged near this fin; With make this cooling air generating unit generate cooling air in the cooling air peripheral passage of above-mentioned framework Inner eycle.
According to this structure, radiator can be utilized to cool for the heat generating components such as power component, reactor, and in a part for radiator, the cooling air generating unit comprising heat-dissipating fin and the first Air Blast fan is installed, make this cooling air generating unit generate cooling air along cooling air peripheral passage at framework Inner eycle, the chilling temperature homogenization in framework can be made thus, guarantee the erection space of the cooled parts such as the power component of radiator, make radiator itself miniaturized, control device can be made miniaturized.
The feature of the control device of the band refrigerating function of another aspect of the present invention is, is integrally provided with above-mentioned fin and above-mentioned first Air Blast fan in wind-tunnel.
According to this structure, heat-dissipating fin and Air Blast fan be integration in wind-tunnel, therefore, it is possible to make whole air quantity of the wind sent by Air Blast fan by heat-dissipating fin, can improve cooling performance, realize the miniaturization of heat-dissipating fin and Air Blast fan.
In addition, the feature of the control device of the band refrigerating function of another aspect of the present invention is, is formed with the blow-off direction control part guaranteeing that cooling air blows out to anticipated orientation at the cooling air blow-off outlet of above-mentioned first Air Blast fan.
According to this structure, can make to blow out to the direction of expecting from the cooling air of the first Air Blast fan blowout, can cooling range be specified.
In addition, the feature of the control device of the band refrigerating function of another aspect of the present invention is, in above-mentioned cooling air peripheral passage, from the blow-off outlet of the cooling air cooled through above-mentioned fin, the mode that the circuit constituting element that temperature upper limit is lower is arranged near this blow-off outlet is provided with circuit constituting element.
According to this structure, owing to supplying cooling air successively the circuit constituting element lower from temperature upper limit, therefore, it is possible to prevent from cooling not enough generation.
In addition, the feature of the control device of the band refrigerating function of another aspect of the present invention is, in above-mentioned cooling air peripheral passage, be configured with the second Air Blast fan, utilize the circulation of this second Air Blast fan to the cooling air circulated in this cooling air peripheral passage to assist.
According to this structure, by arranging the second Air Blast fan in cooling air peripheral passage, the cooling air waited to each other for the substrate that flow path resistance is high is difficult to flowing, the part of thermal accumlation can occur, and also effectively can supply cooling air, can improve cooling performance.
In addition, the feature of the control device of the band refrigerating function of another aspect of the present invention is, blow-off direction control part is formed at the cooling air blow-off outlet of above-mentioned second Air Blast fan, this blow-off direction control part suppresses cooling air directly to blow to cooling air suction inlet, and guarantees that cooling air blows out to anticipated orientation.
According to this structure, the air blowing function of the cooling air circulated in the peripheral passage of the second Air Blast fan can be improved, and to the cooling position supply cooling air of expection, each corner in cooling air arrival framework can be made.
In addition, the feature of the control device of the band refrigerating function of another aspect of the present invention is, the second Air Blast fan is configured with in above-mentioned cooling air peripheral passage, the circulation of this second Air Blast fan to the cooling air circulated in this cooling air peripheral passage is utilized to assist, and in this cooling air peripheral passage, from the blow-off outlet of the cooling air cooled through above-mentioned fin, the mode that the circuit constituting element that temperature upper limit is lower is arranged near this blow-off outlet is provided with circuit constituting element.
According to this structure, the circulation of the second Air Blast fan to the cooling air circulated in cooling air peripheral passage is utilized to assist, prevent the generation of thermal accumlation, and supply cooling air successively from the circuit constituting element that temperature upper limit is lower, therefore, it is possible to prevent cooling not enough.
According to the present invention, the cooling air generating unit comprising heat-dissipating fin and Air Blast fan is set in a part for radiator, therefore, it is possible to guarantee that the be cooled area of parts of the installation of radiator is larger, therefore, it is possible to realize the miniaturization of radiator while guaranteeing cooling performance, the miniaturization of the control device entirety being with refrigerating function can be realized.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the control device comprising band refrigerating function of the present invention.
Fig. 2 is the stereogram of the state of the framework of the control device unloading band refrigerating function.
Fig. 3 is the plane graph of the state of the front panel of the control device unloading band refrigerating function.
Fig. 4 is the side view of the state of the Left-Hand Panel of the control device unloading band refrigerating function.
Fig. 5 is the plane graph of the state of the top panel of the control device unloading band refrigerating function.
Fig. 6 is the ground plan of the state of the bottom panel of the control device unloading band refrigerating function.
Fig. 7 is the front elevation unloading the state of front panel representing the second execution mode of the present invention.
Fig. 8 is the sectional view of the A-A line of Fig. 7.
Reference numeral
1 ... with the control device of refrigerating function; 2 ... cooling water supply port; 3 ... cooling water outlet; 4 ... heat exchanger; 5 ... store case; 6 ... pump; 11 ... framework; 12 ... liquid cooling heat radiator; P1 ~ P3 ... gas passage; 21,22 ... IGBT module; 23 ... reactor; 24 ... cooling air generating unit; 25 ... heat-dissipating fin; 26 ... first Air Blast fan; 27 ... wind-tunnel; 28 ... shutter; 31,32 ... capacitor; 33 ... control substrate; 34 ... power supply board; 35 ... second Air Blast fan; 36 ... shutter; 12a, 12b ... gas passage
Embodiment
Below, with reference to the accompanying drawings embodiments of the present invention are described.
Fig. 1 is the figure of the structure of the cooling system representing the control device comprising band refrigerating function of the present invention, in figure, 1 is the control device of the band refrigerating function of the structure with DC-to-AC converter, and this DC-to-AC converter drives the motor be equipped in electric automobile, hybrid vehicle etc.The cooling water supply port 2 exposed to outside and cooling water outlet 3 is provided with in the control device 1 of this band refrigerating function.The water that cooling water outlet 3 is discharged is supplied to the heat exchangers 4 such as the air cooling heat radiator being equipped on vehicle, carries out heat exchange and is cooled, become cooling water, be stored in and store in case 5 with cooling air.Be stored in the cooling water stored in case 5 to be pressurizeed by pump 6, be then supplied to the cooling water supply port 2 of the control device 1 of band refrigerating function, form cooling water recirculation system thus.
As shown in Figure 2, in the control device 1 of band refrigerating function, the position of the slightly biased downside of the above-below direction in the framework 11 of airtight construction is fixed with the liquid cooling heat radiator 12 being supplied to cooling water.This liquid cooling heat radiator 12 has above-mentioned cooling water supply port 2 and cooling water outlet 3, and cooling water is through-flow in inside.This liquid cooling heat radiator 12 is formed as flat rectangular shape, as shown in Figure 3 and Figure 4 configuration file size in the following manner: formed and leave the wider gas passage P1 in the gap of predetermined distance relative to left and right sides panel 11Lt and 11Rt of framework 11; Form the gas passage P2 relative to front panel 11Ft with less gap; Form the gas passage P3 relative to backplate 11Rr with larger gap.
And, at the upper surface of liquid cooling heat radiator 12, as shown in Figure 2 to 4, as three IGBT module 22 of the IGBT module 21 of semiconductor module and the semiconductor module as formation inverter circuit that form chopper circuit, extend in the longitudinal direction and be set up in parallel with separating predetermined distance in the lateral direction, wherein, this chopper circuit carries out voltage raising and reducing to the direct current power of the DC power supply be such as made up of storage battery, and this inverter circuit such as converts the direct current power exported from chopper circuit to three-phase ac power.Herein, IGBT module 21 and 22 is built-in with the IGBT as switch element (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor), protective circuit etc. that are connected in series.
In addition, at the lower surface of liquid cooling heat radiator 12, as shown in Figure 2 to 4, the reactor 23 forming the relatively large cubic shaped of above-mentioned chopper circuit is arranged on the half part of cooling water outlet 14 side, and adjacently cooling water supply port 13 side is provided with cooling air generating unit 24 with this reactor 23.This cooling air generating unit 24 comprises: the heat-dissipating fin 25 that on fore-and-aft direction, longer and upper surface contacts with liquid cooling heater 12; Be arranged at the Air Blast fan 26 of the rear end face side of this heat-dissipating fin 25; With these heat-dissipating fins 25 of encirclement and Air Blast fan 26 and the wind-tunnel 27 of integration.
Like this, by integrally arranging heat-dissipating fin 25 and Air Blast fan 26 in wind-tunnel 27, whole air quantity of the wind sent by Air Blast fan 26, by heat-dissipating fin 25, can generate cooling air, efficiently therefore, it is possible to realize the miniaturization of cooling air generating unit 24.Therefore, the erection space to liquid cooling heat radiator 12 also diminishes, and the erection space of the cooled parts of liquid cooling heat radiator 12 can be made to expand, and result can realize the miniaturization of liquid cooling heat radiator 12 itself.
Herein, at Air Blast fan 26, the shutter 28 of the blow-off direction control part of the blow-off direction as controlled cooling model wind is installed at the cooling air blow-off outlet of rear end side.
And, as shown in Figure 3 and Figure 4, form above-mentioned chopper circuit capacitor 31 and insert between above-mentioned chopper circuit and inverter for level and smooth three capacitors 32, be incorporated in the relation in the gas passage P3 of liquid cooling heat radiator 12 rear side with the head of its terminals side, be fixed in the bottom panel 11Bm of framework 11.And the direction of above-mentioned shutter 28 controlled cooling model wind, makes to supply cooling air equably to each capacitor 31 and 32.
On the other hand, be fixed on above the IGBT module 21 and 22 of liquid cooling heat radiator 12, as shown in Figure 2 to 4, control substrate 33 to be arranged in parallel with separating predetermined distance at above-below direction with the power supply board 34 being provided with power circuit, relay etc., this control substrate 33 is provided with control circuits such as the gate driver circuits that the grid of the IGBT be built in IGBT module 21 and 22 controls.
These control substrate 33 and power supply board 34 utilizes not shown support unit to be fixedly supported upon front panel 11Ft, backplate 11Rr and the Left-Hand Panel 11Lt of framework 11 separately.
And, be configured with the second Air Blast fan 35 at the space segment of the right panel 11Rt controlling substrate 33 and power supply board 34 and framework 11.This Air Blast fan 35 is configured to, air suction inlet in the mode relative with gas passage P3 from top at lower side opening, suck the cooling air supplied by Air Blast fan 26 from gas passage P3, utilize the shutter 36 as the blow-off direction control part being configured at front surface, in the mode by controlling to arrive again between substrate 33 and power supply board 34 P3 side, gas passage, dispersion is carried out to cooling air and blow.
Thus, from the cooling air that the shutter 28 of the first Air Blast fan 26 of cooling air generating unit 24 blows out, the capacitor 31 and 32 minimum to ceiling temperature cools, then by gas passage P2 and P1, as shown in Figure 3, be pumped to the second Air Blast fan 35 from below, from the shutter 36 of its front-surface side by ceiling temperature time between low control substrate 33 and power supply board 34 and the upper surface side of power supply board 34, go to gas passage P2, and a part for the cooling air blown out upward from gas passage P3 is by controlling the lower surface of substrate 33, go to gas passage P2, the cooled cooling air converged in the P2 of gas passage is inhaled into from wind-tunnel 27, carry out heat exchange by heat-dissipating fin and be cooled, thus form cooling air peripheral passage.
Below, the action of above-mentioned execution mode is described.
The pump 6 and heat exchanger 4 of being with the cooling water supply port 2 of the liquid cooling heat radiator 12 of the control device 1 of refrigerating function and cooling water outlet 3 and cooling system are linked, supply cooling water from cooling system to cooling water supply port 2 thus, and return cooling system from the cooled cooling water that cooling water outlet 3 is discharged.
If make the control device 1 of band refrigerating function in running order in this case, then directly be installed on liquid cooling heat radiator 12 as the IGBT module 21,22 of the large circuit block of caloric value and reactor 23, carry out heat exchange by the cooling water flowing through liquid cooling heat radiator 12 and be cooled.
In addition, at the lower surface of liquid cooling heat radiator 12, closely cooling water supply port 2 side is provided with cooling air generating unit 24 with reactor 23, the heat-dissipating fin 25 contacted with liquid cooling heat radiator 12 and Air Blast fan 26 are integrally arranged in wind-tunnel 27 by this cooling air generating unit 24, whole air quantity of the wind therefore sent by Air Blast fan 26, by heat-dissipating fin 25, can generate cooling air efficiently.Therefore, it is possible to realize the miniaturization of cooling air generating unit 24, and the erection space of the liquid cooling heat radiator 12 installing cooling air generating unit 24 can be reduced, correspondingly can expand the IGBT module 21,22 becoming cooled parts of liquid cooling heat radiator 12 and the erection space of reactor 23, result also can realize the miniaturization of liquid cooling heat radiator 12 itself.Therefore, also can realize the miniaturization of the framework 11 being built-in with liquid cooling heat radiator 12, the miniaturization of the control device 1 being with refrigerating function can be realized.
And, as shown in Figure 6, the cooling air blown out from the Air Blast fan 26 of cooling air generating unit 24 by shutter 28 to each capacitor 31, 32 blow out equably, at these capacitors 31 of cooling, after 32, by gas passage P2 and P1, the second Air Blast fan 35 being arranged on cooling air peripheral passage from below sucks, the refrigerating gas blown out before this second Air Blast fan 35, as shown in Figure 4 and Figure 5, by controlling between substrate 33 and power supply board 34 and controlling the below of substrate 33 and the top of power supply board 34, the heat generating components be installed on these substrates is cooled, then by gas passage P2, as shown in Figure 6, be inhaled into from the entrance of the wind-tunnel 27 of cooling air generating unit 24, arrive heat-dissipating fin 25, again be cooled at this heat-dissipating fin 25, capacitor 31 is blowed to by the first Air Blast fan 26, 32.
Like this, according to above-mentioned first execution mode, the cooling air generated by the cooling air generating unit 24 of the lower face side being installed on liquid cooling heat radiator 12, after the capacitor 31,32 cooling the circuit block minimum as ceiling temperature, be inhaled into the second Air Blast fan 35, be blown from its front face side, by as the ceiling temperature time low control substrate 33 of circuit block and the back side, front of power supply board 34, return cooling air generating unit 24 from gas passage P2, form cooling air peripheral passage.
Therefore, it is possible to make the temperature homogenization in framework 11, and the space forming accumulated heat can not be produced, the capacitor 31,32 of decentralized configuration in framework 11 can be cooled efficiently and control substrate 33 and power supply board 34.
And, the second Air Blast fan 35 is provided with in the midway of cooling air peripheral passage, therefore the cooling air after utilizing this Air Blast fan 35 can suck cooling electric container 31,32, and equably to control substrate 33 and the blowout of power supply board 34 side, improve the wind speed carrying out the cooling air circulated, when the interval controlling substrate 33 and power supply board 34 is narrow and flow path resistance is large, also reliably to sending into cooling air between the two, can cool efficiently and controlling substrate 33 and power supply board 34.
And, shutter 28 and 36 is respectively arranged with at the blow-off outlet of the first Air Blast fan 26 and the second Air Blast fan 35, thus can the blow-off direction of correctly controlled cooling model wind, make cooling air by capacitor 31,32, control the back side, whole front of substrate 33 and power supply board 34, can cooling performance be improved.
Below, according to Fig. 7 and Fig. 8, the second execution mode of the present invention is described.
In this second embodiment, bottom framework 11 is divided into split framework 11L and these two parts of top segmentation framework 11H, and liquid cooling heat radiator 12 is set as the size can closing the upper surface of bottom segmentation framework 11L and the lower surface of top segmentation framework 11H, utilizes liquid cooling heat radiator 12 to split bottom segmentation framework 11L and top segmentation framework 11H.
Therefore, at liquid cooling heat radiator 12, replace above-mentioned gas path P2 and P3, narrow gas passage 12a and wide gas passage 12b keeps predetermined distance ground extend in left-right direction and be formed through on front and back position, in addition there is the structure identical with above-mentioned first execution mode, identical symbol is marked to the part corresponding with Fig. 3 and Fig. 4, omits its detailed description.
Herein, capacitor 31,32 inserts with its splicing ear side and the mode be formed through in the wide gas passage 12b of liquid cooling heat radiator 12 configures.
In addition, the outer peripheral face of the upper and lower surface of liquid cooling heat radiator 12 arranges bottom segmentation framework 11L and top segmentation framework 11H across sealing gasket 41 and 42, and, across sealing gasket 44, lid 43 is installed at the upper surface of top segmentation framework 11H, forms the framework 11 of airtight construction.
According to this second execution mode, from the cooling air that the first Air Blast fan 25 of the cooling air generating unit 24 being arranged at liquid cooling heat radiator 12 blows out, by shutter 28 to each capacitor 31, 32 supply equably, cool these capacitors 31, cooling air after 32 is by gas passage 12b, be arranged at top segmentation framework 11H right back quadrate part the second Air Blast fan 35 from its below aspirate, then shutter 36 is utilized to blow out from front towards control substrate 33 and power supply board 34, cool these and control substrate 33 and power supply board 34, cooling air generating unit 24 is returned afterwards by gas passage 12a, form cooling air order pipeline.Therefore, it is possible to obtain the action effect same with above-mentioned first execution mode.
Further, in this second embodiment, cooling water supply port 2 and the cooling water outlet 3 of liquid cooling heat radiator 12 expose to outside, without the need to sealing them, and, sealing gasket 41 is made to contact with the top and bottom of 42 cooling radiators 12 being formed higher with flatness and seal, therefore, it is possible to obtain high tightness.
In addition, in above-mentioned first execution mode and the second execution mode, be illustrated utilizing the situation of a gap or the elongated hole formation gas passage 11 and 12 extended in the lateral direction, but not limited thereto, also can split each gas passage P2 and P3 or 12a and 12b in the direction of extension and be formed.In addition, when not making capacitor 31,32 insert through, also can only at formation gas passage, downside P3 or 12b of the second Air Blast fan 35.In addition, gas passage is not limited to two, also can form the gas passage of more than three.
Further, the quantity being arranged at the substrate such as control substrate 33, power supply board 34 in top segmentation framework 11H is not limited to two, can be arbitrary quantity.
Similarly, IGBT module 21,22, the number of capacitor 31,32 also can at random set, the number of phases of carrying out the interchange of electric power conversion also at random can be changed according to the number of phases of used motor.
In addition, in the above-described embodiment, the situation using cooling water as coolant is illustrated, but not limited thereto, also can apply freon substitute, other coolant such as refrigerating gas, cooling fluid such as HCFC (HCFC) class and HFC (HFC) class.Now, when using freon substitute, also the freon substitute used in aircondition shunting can be used.
In addition, in the above-described embodiment, the situation of application liquid cooling heat radiator is illustrated, but not limited thereto, as long as the radiator of heat exchange that heat pipe etc. can carry out in outside and airtight framework just can be applied.
In addition, in the above-described embodiment, the IGBT module being built-in with IGBT to application is illustrated as the situation of power component, but not limited thereto, can also apply and be built-in with MOSFET, other the semiconductor module, chip etc. of power semiconductor.
Further, in the above-described embodiment, the situation of the control device applying band refrigerating function of the present invention in DC-to-AC converter is illustrated, but it is not limited thereto, also can in middle application the present invention such as switching power units, in a word, the present invention can applied needing in the control device of substrate reception in the framework of airtight construction such as semiconductor module, capacitor, control substrate of cooling.
Claims (6)
1. the control device with refrigerating function, it is at least configured with in sealing framework: the power component generated heat during work; With the control substrate being provided with the control circuit controlling this power component, the control device of this band refrigerating function cools described power component and controls substrate, and the feature of the control device of this band refrigerating function is, comprising:
Described power component is installed and the radiator that described power component is cooled;
Cooling air generating unit, it has: the fin installed in a part for this radiator; And the first Air Blast fan be arranged near this fin; With
Make the cooling air generated in this cooling air generating unit in the cooling air peripheral passage of described framework Inner eycle,
Described fin and described first Air Blast fan is integrally provided with in wind-tunnel.
2. the control device of band refrigerating function as claimed in claim 1, is characterized in that:
The blow-off direction control part guaranteeing that cooling air blows out to anticipated orientation is formed at the cooling air blow-off outlet of described first Air Blast fan.
3. the control device of band refrigerating function as claimed in claim 1 or 2, is characterized in that:
In described cooling air peripheral passage, from the blow-off outlet of the cooling air cooled through described fin, the mode that the circuit constituting element that temperature upper limit is lower is arranged near this blow-off outlet is provided with circuit constituting element.
4. the control device of band refrigerating function as claimed in claim 1 or 2, is characterized in that:
In described cooling air peripheral passage, be configured with the second Air Blast fan, utilize the circulation of this second Air Blast fan to the cooling air circulated in this cooling air peripheral passage to assist.
5. the control device of band refrigerating function as claimed in claim 4, is characterized in that:
Be formed with blow-off direction control part at the cooling air blow-off outlet of described second Air Blast fan, this blow-off direction control part suppresses cooling air directly to blow to cooling air suction inlet, and guarantees that cooling air blows out to anticipated orientation.
6. the control device of band refrigerating function as claimed in claim 1 or 2, is characterized in that:
The second Air Blast fan is configured with in described cooling air peripheral passage, the circulation of this second Air Blast fan to the cooling air circulated in this cooling air peripheral passage is utilized to assist, and in this cooling air peripheral passage, from the blow-off outlet of the cooling air cooled through described fin, the mode that the circuit constituting element that temperature upper limit is lower is arranged near this blow-off outlet is provided with circuit constituting element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010269727A JP2012119588A (en) | 2010-12-02 | 2010-12-02 | Control unit with cooling function |
| JP2010-269727 | 2010-12-02 |
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| Publication Number | Publication Date |
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| CN102573412A CN102573412A (en) | 2012-07-11 |
| CN102573412B true CN102573412B (en) | 2015-05-06 |
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| CN201110391957.XA Active CN102573412B (en) | 2010-12-02 | 2011-11-30 | Control apparatus with cooling function |
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| JP (1) | JP2012119588A (en) |
| CN (1) | CN102573412B (en) |
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| CN101754647A (en) * | 2008-12-19 | 2010-06-23 | 华为技术有限公司 | Electronic equipment with heat exchange and system for heat dissipation of electronic equipment |
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| TWI634732B (en) * | 2016-04-28 | 2018-09-01 | 東芝股份有限公司 | Power conversion device for railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012119588A (en) | 2012-06-21 |
| CN102573412A (en) | 2012-07-11 |
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