CN103747550A - Electromagnetic machine core and induction cooker - Google Patents

Electromagnetic machine core and induction cooker Download PDF

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Publication number
CN103747550A
CN103747550A CN201410023897.XA CN201410023897A CN103747550A CN 103747550 A CN103747550 A CN 103747550A CN 201410023897 A CN201410023897 A CN 201410023897A CN 103747550 A CN103747550 A CN 103747550A
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China
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chamber
plate
hole
igbt module
base
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CN201410023897.XA
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CN103747550B (en
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李志明
金红旗
杨琳
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Abstract

The invention discloses an electromagnetic machine core. The electromagnetic machine core comprises a machine shell, a radiator arranged in the machine shell, an IGBT (insulated gate bipolar translator) module, a bridge rectifier, a resonant board, a power board, a control board, a draught fan and a partition board, wherein the internal space of the machine shell is divided into a first chamber and a second chamber which are separated from each other by the partition board; the bottom seat of the IGBT module and the base of the bridge rectifier are arranged in the first chamber; the first terminal of the IGBT module and the second terminal of the bridge rectifier extend into the second chamber; the machine shell is provided with a first ventilation hole and a second ventilation hole which are used for an air flow to flow in and out of the first chamber; the radiator is arranged in the first chamber and is in heat-conductive contact with the bottom seat of the IGBT and the base of the bridge rectifier; the resonant board, the power board and the control board are arranged in the second chamber; the air flow generated by the draught fan flows through the first chamber. The invention also discloses an induction cooker which adopts the electromagnetic machine core. According to the electromagnetic machine core, the radiating effect of the electromagnetic machine core can be improved, and moreover, the electric devices of the electromagnetic machine core can also be prevented from being corroded by oil fume and moisture.

Description

Electromagnetism movement and electromagnetic oven
Technical field
The present invention relates to electromagentic furnace technology field, relate in particular to a kind of electromagnetism movement, and relate to a kind of electromagnetic oven that adopts this electromagnetism movement.
Background technology
In commercial electromagnetic oven, in order to guarantee the stable operation of electromagnetism movement, conventionally need to dispel the heat to the heater members of electromagnetic motor in-core.At present, the radiating mode of electromagnetism movement mainly adopts indirect radiating mode and direct radiating mode.Wherein, radiating mode is indirectly: heater members is arranged on aluminium section bar fin, aluminium section bar fin absorption IGBT(insulated gate bipolar transistor) heat that module and bridge heap produce, by blower fan, aluminium section bar fin is blown to heat radiation again, although this kind of mode can make movement have good sealing property, radiating effect is poor.Directly radiating mode is: adopt the directly chamber heat radiation to IGBT module, bridge heap and circuit board place of blower fan, this kind of mode radiating effect is better, but easily cause the electrification device such as IGBT module in chamber, Qiao Dui, circuit board corroded by oil smoke, moisture, cause electrification device bad, shorten the useful life of electromagnetism movement.
Summary of the invention
Main purpose of the present invention is to provide a kind of electromagnetism movement, is intended to improve the radiating effect of electromagnetism movement, and makes the electrification device of electromagnetism movement avoid the erosion of oil smoke, moisture.
To achieve these goals, the invention provides a kind of electromagnetism movement, comprise casing, be located at the radiator in described casing, IGBT module, bridge heap, resonant panel, power panel, control board and blower fan, described electromagnetism movement also comprises demarcation strip, described demarcation strip is located in described casing and the inner space of casing is separated into the first isolated chamber and the second chamber, described IGBT module comprises base and is located at a plurality of the first terminals on the end face of described base, described bridge heap comprises pedestal and is located at a plurality of the second terminals on the end face of described pedestal, the pedestal of the base of described IGBT module and described bridge heap is located in described the first chamber, described demarcation strip is provided with the first through hole and the second through hole is inserted in described the second chamber with the second terminal of piling for the first terminal and the described bridge of described IGBT module respectively, described casing is provided with the first ventilation hole and the second ventilation hole that air feed flows to out described the first chamber, described radiator is located in described the first chamber and with the base of described IGBT module and the pedestal heat conduction of described bridge heap and is contacted, described resonant panel, power panel and control board are located in described the second chamber, described assembling is also corresponding described the first chamber setting on described casing, described in the airflow passes that described blower fan produces, the first chamber is to brush described radiator simultaneously, the pedestal of the base of described IGBT module and described bridge heap.
Preferably, described radiator comprises absorber plate and a plurality of fin, described absorber plate has towards the first surface of described demarcation strip and the second surface of described demarcation strip dorsad, described a plurality of fin is located between the second surface of described absorber plate and adjacent two fin and is formed the first gas channel, described demarcation strip is fitted in the end face of base of described IGBT module and the end face of the pedestal of described bridge heap, the first surface of described absorber plate and described demarcation strip form the second gas channel separately and between the first surface of described absorber plate and described demarcation strip, the pedestal of the base of described IGBT module and described bridge heap is positioned at described the second gas channel and is and is arranged side by side, the pedestal of the base of described IGBT module and described bridge heap contacts with the first surface heat conduction of described absorber plate, a part for the air-flow that described blower fan produces is flowed through described the first gas channel to brush described fin, another part of the air-flow that described blower fan produces is flowed through described the second gas channel to brush the base of described IGBT module and the pedestal of described bridge heap.
Preferably, described casing comprises base plate, upper cover and be connected in the sidewall between described base plate and upper cover, described demarcation strip is located between described upper cover and base plate, described the first chamber is between described base plate and demarcation strip, described the second chamber is between described upper cover and described demarcation strip, described demarcation strip comprises the first dividing plate and the second partition being connected with described the first dividing plate, described the first dividing plate parallels setting with the absorber plate of described radiator, described the first through hole and the second through hole are all arranged on described the first dividing plate, described second partition is inclined to set, described second partition has the first end that is connected with described the first dividing plate and away from the second end of described the first dividing plate, the second end of described second partition and the distance between described base plate are greater than the first end of described second partition and the distance between described base plate, the air-flow that described blower fan produces enters described the second gas channel through the guiding of described second partition.
Preferably, described IGBT module also comprises the drive plate on the end face of being located at described base, the lateral edges of the outwardly described base of a part of described drive plate, described demarcation strip is provided with third through-hole and stretches in described the second chamber for the drive plate of described IGBT module, described demarcation strip is extended with catch in described third through-hole, and described catch is resisted against the drive plate of described IGBT module towards the one side of described radiator.
Preferably, described control board is installed on described second partition and with respect to described the first dividing plate and is inclined to set, described resonant panel and power panel are installed on described the first dividing plate, and described resonant panel is electrically connected to the first terminal of described IGBT module and the second terminal of described bridge heap.
Preferably; described the first dividing plate comprises sheet-metal layers, the first silicone protective layer and the second silicon protection glue-line; described sheet-metal layers has towards the first surface of described the first chamber and towards the second surface of described the second chamber, and described the first silicone protective layer and the second silicone protective layer are located at respectively first surface and the second surface of described sheet-metal layers.
Preferably; described sheet-metal layers is formed with the first glue-line articulamentum of annular on the wall surface of the hole of described the first through hole; so that described the first silicone protective layer is connected with the second silicone protective layer; and the first glue-line articulamentum extends to form the first projection of annular towards described the second chamber; described sheet-metal layers is formed with the second glue-line articulamentum of annular on the wall surface of the hole of described the second through hole; so that described the first silicone protective layer is connected with the second silicone protective layer, and the second glue-line articulamentum extends to form the second projection of annular towards described the second chamber.
Preferably, described electromagnetism movement also comprises a plurality of supporting studs, on described the first dividing plate, corresponding each supporting studs is provided with installing hole, one end of described support column spiral shell and described absorber plate are fixed, the other end of described supporting studs is through the installing hole on described the first dividing plate, on described resonant panel and power panel, in the position of the described support column of correspondence, be provided with through hole, by a plurality of screws, pass respectively the through hole on described resonant panel and power panel and be spirally connected and described resonant panel and power panel are fixed with corresponding supporting studs.
Preferably, the sidewall of described casing is rectangular, comprise front side board, back side panel, left plate and right plate, described blower fan is located at the interior also close described left plate of the second chamber of described casing and is installed, described the first gas channel and the second gas channel extend to described right plate by described left plate, described the first ventilation hole is located at the position of corresponding described blower fan on described left plate, described the second ventilation hole is located at the position of corresponding described the second chamber on described right plate, and the second end of described second partition is overlapped on the fan frame of described blower fan.
Preferably, described electromagnetism movement also comprises EMI filter band and resonant capacitance, described EMI filter band is located in described the second chamber and is installed on described right plate, described resonant capacitance is located at the outside of described casing and is arranged on described front side board or back side panel, and the binding post of described resonant capacitance extend in described the second chamber.
The present invention also provides a kind of electromagnetic oven, comprises body of heater, and described electromagnetic oven also comprises aforesaid electromagnetism movement, and described electromagnetism movement is installed on described body of heater.
Electromagnetism movement of the present invention and electromagnetic oven, by demarcation strip is set in casing, the inner space of casing is separated into the first isolated chamber and the second chamber, the pedestal of the base of IGBT module and bridge heap is arranged in the first chamber and with radiator heat conduction and is contacted, and the first terminal of IGBT module and the second terminal of bridge heap are stretched in the second chamber.On the one hand, because IGBT module and bridge heap is the main heat generating components in electromagnetism movement, the heat that both produce can pass to radiator rapidly, described in the airflow passes that blower fan produces during the first chamber, can either brush radiator so that the heat that is passed to radiator is taken away, can directly brush again the pedestal of the base of IGBT module and bridge heap and directly take away a part of heat that IGBT module and bridge heap produce, be that the heat that IGBT module and bridge heap produce can distribute brushing indirectly of radiator by blower fan, and by blower fan, the pedestal of the base of IGBT module and bridge heap is directly brushed directly and distributed simultaneously, thereby there is double-radiation function effect, radiating efficiency is high, can guarantee the operation steady in a long-term of electromagnetism movement, extend the useful life of electromagnetism movement, on the other hand, the electrification device of electromagnetism movement is all installed in the second chamber and isolated by demarcation strip and the first chamber as the second terminal of the first terminal of resonant panel, power panel, control board, IGBT module, bridge heap, thereby can avoid the erosion of oil smoke, moisture, further extend the useful life of electromagnetism movement.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of electromagnetism movement one embodiment of the present invention.
Fig. 2 is the decomposed schematic diagram of electromagnetism movement shown in Fig. 1.
Fig. 3 is that shown in Fig. 1, electromagnetism movement removes the structural representation after upper cover.
Fig. 4 is the vertical view of electromagnetism movement shown in Fig. 3.
Fig. 5 is that electromagnetism movement shown in Fig. 4 is along the cutaway view of A-A line.
Fig. 6 is that electromagnetism movement shown in Fig. 4 is along the cutaway view of B-B line.
Fig. 7 is the structural representation of the first dividing plate in electromagnetism movement shown in Fig. 2.
Fig. 8 is the enlarged drawing at C place in Fig. 7.
Fig. 9 is the right view of electromagnetism movement shown in Fig. 1.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of electromagnetism movement, described electromagnetism movement is applicable to be installed on electromagnetic oven particularly in commercial induction cooker, in order to convert electric energy to heat energy.Referring to figs. 1 through Fig. 9, at an embodiment of electromagnetism movement of the present invention, described electromagnetism movement comprises casing 1, is located at radiator 2, IGBT module 3, bridge heap 4, resonant panel 5, power panel 6, control board 7, blower fan 8 and demarcation strip 9 in described casing 1.Please refer to Fig. 5 and Fig. 6, described demarcation strip 9 is located in described casing 1 and the inner space of casing 1 is separated into the first isolated chamber 11 and the second chamber 12.
Referring to Fig. 2, described IGBT module 3 comprises base 31 and is located at a plurality of the first terminals 32 on the end face of described base 31, and described bridge heap 4 comprises pedestal 41 and is located at a plurality of the second terminals 42 on the end face of described pedestal 41.The pedestal 41 of the base 31 of described IGBT module 3 and described bridge heap 4 is located in described the first chamber 11.Described demarcation strip 9 is provided with the first through hole 91 and the second through hole 92 to be inserted in described the second chamber 12 for the first terminal 32 of described IGBT module 3 and the second terminal 42 of described bridge heap 4 respectively.
Described casing 1 is provided with the first ventilation hole 101(that air feed flows to out described the first chamber 11 as shown in Figure 1) and the second ventilation hole 102(is as shown in Figure 9).Described radiator 2 is located in described the first chamber 11 and with the base 31 of described IGBT module 3 and pedestal 41 heat conduction of described bridge heap 4 and is contacted.
Described resonant panel 5, power panel 6 and control board 7 are located in described the second chamber 12, described blower fan 8 is installed on described casing 1 and corresponding described the first chamber 11 arranges, and the first chamber 11 is to brush the base 31 of described radiator 2, described IGBT module 3 and the pedestal 41 of described bridge heap 4 simultaneously described in the airflow passes that described blower fan 8 produces.
In described electromagnetism movement, by the inner space of casing 1 being separated into the first isolated chamber 11 and the second chamber 12 at the interior demarcation strip 9 that arranges of casing 1, the pedestal 41 of the base of IGBT module 3 31 and bridge heap 4 is arranged in the first chamber 11 and is contacted with radiator 2 heat conduction, and the first terminal 32 of IGBT module 3 and the second terminal 42 of bridge heap 4 are stretched in the second chamber 12.On the one hand, because IGBT module 3 and bridge heap 4 is the main heat generating components in electromagnetism movement, the heat that both produce can pass to radiator 2 rapidly, described in the airflow passes that blower fan 8 produces during the first chamber 11, can either brush radiator 2 so that the heat that is passed to radiator 2 is taken away, can directly brush again the pedestal 41 of the base 31 of IGBT module 3 and bridge heap 4 and directly take away a part of heats that IGBT module 3 and bridge heap 4 produce, be that IGBT module 3 and bridge heap 4 heats that produce can distribute by brushing indirectly of 8 pairs of radiators 2 of blower fan, and by the base 31 of 8 pairs of IGBT modules 3 of blower fan and the pedestal 41 of bridge heap 4, directly brush directly and distribute simultaneously, thereby there is double-radiation function effect, radiating efficiency is high, can guarantee the operation steady in a long-term of electromagnetism movement, extend the useful life of electromagnetism movement, on the other hand, the electrification device of electromagnetism movement is as interior and isolated by demarcation strip 9 and the first chamber 11 in the second terminal 42 of the first terminal 32 of resonant panel 5, power panel 6, control board 7, IGBT module 3, bridge heap 4 is all installed on the second chamber 12, thereby can avoid the erosion of oil smoke, moisture, further extend the useful life of electromagnetism movement.
As shown in Figure 6, in the present embodiment, described radiator 2 comprises absorber plate 21 and a plurality of fin 22.Described absorber plate 21 has towards the first surface of described demarcation strip 9 and the second surface of described demarcation strip 9 dorsad, described a plurality of fin 22 is located between the second surface of described absorber plate 21 and adjacent two fin 22 and is formed the first gas channel 10, and described demarcation strip 9 is fitted in the end face of base 31 of described IGBT module 3 and the end face of the pedestal 41 of described bridge heap 4.The first surface of described absorber plate 21 and described demarcation strip 9 form the second gas channel 20 separately and between the first surface of described absorber plate 21 and described demarcation strip 9, the pedestal 41 of the base 31 of described IGBT module 3 and described bridge heap 4 is positioned at described the second gas channel 20 and is and is arranged side by side, along the bearing of trend of described the second gas channel 20, between the base 31 of described IGBT module 3 and the pedestal 41 of described bridge heap 4, do not form and block.The pedestal 41 of the base 31 of described IGBT module 3 and described bridge heap 4 contacts with the first surface heat conduction of described absorber plate 21, be described base 31 can be that the first surface that directly fits in described absorber plate 21 forms directly and contacts with pedestal 41, can also be between the first surface of described base 31 and described absorber plate 21 and form interval at described pedestal 41 and first surface coated with thermally conductive cream between described absorber plate 21 and contact, to improve the heat transfer efficiency between described base 31 and described absorber plate 21 and between described pedestal 41 and described absorber plate 21.
A part for the air-flow that described blower fan 8 produces is flowed through described the first gas channel 10 to brush described fin 22, and another part of the air-flow that described blower fan 8 produces is flowed through described the second gas channel 20 to brush the base 31 of described IGBT module 3 and the pedestal 41 of described bridge heap 4.The air-flow that described blower fan 8 produces can brush first surface and the second surface of absorber plate 21 simultaneously, can effectively improve radiating effect.
With reference to Fig. 3 to Fig. 6, in the present embodiment, described IGBT module 3 also comprises the drive plate 33 on the end face of being located at described base 31, the lateral edges of the outwardly described base 31 of a part of described drive plate 33, described demarcation strip 9 is provided with third through-hole 93 and stretches in described the second chamber 12 for the drive plate 33 of described IGBT module 3.Described demarcation strip 9 is extended with catch 94 in described third through-hole 93; described catch 94 is resisted against the drive plate 33 of described IGBT module 3 towards the one side of described radiator 2; so that drive plate 33 is carried out to seal protection, thereby can effectively prevent that the oil smoke, moisture that by outside, enter the first chamber 11 are in described third through-hole 93 enters the second chamber 12.
With reference to Fig. 2 to Fig. 6, in the present embodiment, described casing 1 comprises base plate 13, upper cover 14 and is connected in the sidewall 15 between described base plate 13 and upper cover 14, described demarcation strip 9 is located between described upper cover 14 and base plate 13, described the first chamber 11 is between described base plate 13 and demarcation strip 9, and described the second chamber 12 is between described upper cover 14 and described demarcation strip 9.
Particularly, described demarcation strip 9 comprises the first dividing plate 95 and the second partition 96 being connected with described the first dividing plate 95.Described the first dividing plate 95 parallels setting with the absorber plate 21 of described radiator 2, and described the first through hole 91, the second through hole 92 and third through-hole 93 are all arranged on described the first dividing plate 95, and described second partition 96 is inclined to set.Described second partition 96 has the first end 961 that is connected with described the first dividing plate 95 and away from the second end 962 of described the first dividing plate 95, the second end 962 and the distance between described base plate 13 of described second partition 96 are greater than the first end 961 of described second partition 96 and the distance between described base plate 13.The air-flow that described blower fan 8 produces enters described the second gas channel 20 through the guiding of described second partition 96.In the present embodiment, described second partition 96 forms for separating to manufacture with the first dividing plate 95, and in other embodiments, described second partition 96 and the first dividing plate 95 can also be made of one piece.
Described control board 7 is installed on described second partition 96 and with respect to described the first dividing plate 95 and is inclined to set, described resonant panel 5 and power panel 6 are installed on described the first dividing plate 95, and described resonant panel 5 is electrically connected to the first terminal 32 of described IGBT module 3 and the second terminal 42 of described bridge heap 4.
The second partition 96 of described demarcation strip 9 is inclined to set, the air-flow that blower fan 8 not only can be produced is guided and is entered the second gas channel 20, but also be used for control board 7 to tilt to install, like this can so that the inner space of casing 1 be fully used, thereby can effectively shorten the entire length of electromagnetism movement, can also conveniently blower fan 8 be installed in casing 1 in addition.
In the present embodiment, on described the first dividing plate 95, the quantity of set the first through hole 91 is a plurality of, and corresponding with the quantity of described the first terminal 32, and each the first terminal 32 stretches into described the second chamber 12 through the first through hole 91 of a correspondence.On described the first dividing plate 95, the quantity of set the second through hole 92 is one, and described a plurality of the second terminals stretch into described the second chamber 12 through this second through hole 92 jointly.In other embodiments, on described the first dividing plate 95, can also be that a first larger through hole is only set, and make described a plurality of the first terminal jointly through this first larger through hole; On described second partition 96, can also be that corresponding each second terminal arranges a second less through hole, and make each second terminal through corresponding the second less through hole.
With reference to Fig. 7 and Fig. 8; described the first dividing plate 95 comprises sheet-metal layers 951, the first silicone protective layer 952 and the second silicon protection glue-line 953; described sheet-metal layers 951 has towards the first surface of described the first chamber 11 and towards the second surface of described the second chamber 12, and described the first silicone protective layer 952 and the second silicone protective layer 953 are located at respectively first surface and the second surface of described sheet-metal layers 951.Wherein, sheet-metal layers 951 can provide enough installation strength; the first silicone protective layer 952 and the second silicone protective layer 953 can be realized good sealing, and prevent that sheet-metal layers 951 from avoiding the erosion of oil smoke, moisture, to improve the durability of the first dividing plate 95.Described the first silicone protective layer 952 and the second silicone protective layer 953 can be formed in the both side surface of described sheet-metal layers 951 by the mode of injection mo(u)lding.
Described sheet-metal layers 951 is formed with a kink 9511 in described the first dividing plate 95 away from one end of described second partition 96, and described kink 9511 connects for the sidewall 15 with described casing 1, so that the first dividing plate 95 is positioned.
Described sheet-metal layers 951 is formed with the first glue-line articulamentum 954 of annular on the wall surface of the hole of described the first through hole 91; so that described the first silicone protective layer 952 is connected with the second silicone protective layer 953, and the first glue-line articulamentum 954 extends to form the first projection 955 of annular towards described the second chamber 12.Described sheet-metal layers 951 is formed with the second glue-line articulamentum 956 of annular on the wall surface of the hole of described the second through hole 92; so that described the first silicone protective layer 952 is connected with the second silicone protective layer 953, and the second glue-line articulamentum 956 extends to form the second projection 957 of annular towards described the second chamber 12.Described sheet-metal layers 951 is formed with the 3rd glue-line articulamentum 958 on the wall surface of the hole of described third through-hole 93; so that described the first silicone protective layer 952 is connected with the second silicone protective layer 953, and the 3rd glue-line articulamentum 958 extends to form the 3rd projection 959 of annular towards described the second chamber 12.By the first glue-line articulamentum 954 and projection the 955, second glue-line articulamentum 956 thereof and projection the 957, the 3rd glue-line articulamentum 958 thereof and projection 959 thereof are set, can be so that form and combine closely between the second terminal 42 of the first terminal 32 of IGBT module 3, bridge heap 4 and the drive plate 33 of IGBT module 3 and the first dividing plate 95, thus effectively prevent that oil smoke, moisture in the first chamber 11 from entering in the first chamber 12.
With reference to Fig. 2 and Fig. 5, described electromagnetism movement also comprises a plurality of supporting studs 23, on described the first dividing plate 95, corresponding each supporting studs 23 is provided with installing hole 950, one end of described support column spiral shell 23 and described absorber plate 21 are fixing, the other end of described supporting studs 23 is through the installing hole 950 on described the first dividing plate 95, on described resonant panel 5 and power panel 6, in the position of the described support column 23 of correspondence, be provided with through hole, by a plurality of screws 97, through the through hole on described resonant panel 5 and power panel 6 and with corresponding supporting studs 23, be spirally connected and described resonant panel 5 and power panel 6 are fixed respectively.
In the present embodiment, the sidewall 15 of described casing 1 is rectangular, comprises front side board 151, back side panel 152, left plate 153 and right plate 154.Described blower fan 8 is axial flow blower, and described blower fan 8 is located at the interior also close described left plate 153 of the second chamber 12 of described casing 1 and is installed.By described blower fan 8 being located in the second chamber 12 of described casing 1, can effectively shorten the entire length of electromagnetism movement, and because the second partition 96 of demarcation strip 9 is inclined to set, blower fan 8 is located in the second chamber 12 of described casing 1 can't be impacted the whole height of casing 1.Described the first gas channel 10 and the second gas channel 20 extend to described right plate 154 by described left plate 153, described the first ventilation hole 101 is located at the position of corresponding described blower fan 8 on described left plate 153, and described the second ventilation hole 102 is located at the position (as shown in Figure 9) of corresponding described the second chamber 12 on described right plate 154.The second end 962 of described second partition 96 is overlapped on the fan frame of described blower fan 8.
Further, described electromagnetism movement also comprises EMI(Electro Magnetic Interference, electromagnetic interference) filter band 40 and resonant capacitance 50, described EMI filter band 40 is located in described the second chamber 12 and is installed on described right plate 154, and described resonant capacitance 50 is located at the outside of described casing 1 and is arranged on described front side board 151 or back side panel 152.In the present embodiment, described resonant capacitance 50 is installed on front side board 151, and on described front side board 151, the position of corresponding the second chamber 12 is provided with perforate 1511, and the binding post of described resonant capacitance 50 extend in described the second chamber 12 through perforate 1511.
Described EMI filter band 40 is installed on the right plate 154 of casing 1, can further shorten the entire length of electromagnetism movement.Described resonant capacitance 50 is installed on the outside of casing 1, can save the content installing space of casing 1, and can carry out efficiently radiates heat to resonant capacitance 50.
Embodiments of the invention also provide a kind of electromagnetic oven, and described electromagnetic oven comprises the electromagnetism movement in body of heater and previous embodiment, and described electromagnetism movement is installed on described body of heater.
The present invention is not limited to above execution mode, under the disclosed technology contents of above-mentioned execution mode, can also carry out various variations.Every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (11)

1. an electromagnetism movement, comprise casing, be located at the radiator in described casing, IGBT module, bridge heap, resonant panel, power panel, control board and blower fan, it is characterized in that, described electromagnetism movement also comprises demarcation strip, described demarcation strip is located in described casing and the inner space of casing is separated into the first isolated chamber and the second chamber, described IGBT module comprises base and is located at a plurality of the first terminals on the end face of described base, described bridge heap comprises pedestal and is located at a plurality of the second terminals on the end face of described pedestal, the pedestal of the base of described IGBT module and described bridge heap is located in described the first chamber, described demarcation strip is provided with the first through hole and the second through hole is inserted in described the second chamber with the second terminal of piling for the first terminal and the described bridge of described IGBT module respectively, described casing is provided with the first ventilation hole and the second ventilation hole that air feed flows to out described the first chamber, described radiator is located in described the first chamber and with the base of described IGBT module and the pedestal heat conduction of described bridge heap and is contacted, described resonant panel, power panel and control board are located in described the second chamber, described assembling is also corresponding described the first chamber setting on described casing, described in the airflow passes that described blower fan produces, the first chamber is to brush described radiator simultaneously, the pedestal of the base of described IGBT module and described bridge heap.
2. electromagnetism movement as claimed in claim 1, it is characterized in that, described radiator comprises absorber plate and a plurality of fin, described absorber plate has towards the first surface of described demarcation strip and the second surface of described demarcation strip dorsad, described a plurality of fin is located between the second surface of described absorber plate and adjacent two fin and is formed the first gas channel, described demarcation strip is fitted in the end face of base of described IGBT module and the end face of the pedestal of described bridge heap, the first surface of described absorber plate and described demarcation strip form the second gas channel separately and between the first surface of described absorber plate and described demarcation strip, the pedestal of the base of described IGBT module and described bridge heap is positioned at described the second gas channel and is and is arranged side by side, the pedestal of the base of described IGBT module and described bridge heap contacts with the first surface heat conduction of described absorber plate, a part for the air-flow that described blower fan produces is flowed through described the first gas channel to brush described fin, another part of the air-flow that described blower fan produces is flowed through described the second gas channel to brush the base of described IGBT module and the pedestal of described bridge heap.
3. electromagnetism movement as claimed in claim 2, it is characterized in that, described casing comprises base plate, upper cover and be connected in the sidewall between described base plate and upper cover, described demarcation strip is located between described upper cover and base plate, described the first chamber is between described base plate and demarcation strip, described the second chamber is between described upper cover and described demarcation strip, described demarcation strip comprises the first dividing plate and the second partition being connected with described the first dividing plate, described the first dividing plate parallels setting with the absorber plate of described radiator, described the first through hole and the second through hole are all arranged on described the first dividing plate, described second partition is inclined to set, described second partition has the first end that is connected with described the first dividing plate and away from the second end of described the first dividing plate, the second end of described second partition and the distance between described base plate are greater than the first end of described second partition and the distance between described base plate, the air-flow that described blower fan produces enters described the second gas channel through the guiding of described second partition.
4. electromagnetism movement as claimed in claim 3, it is characterized in that, described IGBT module also comprises the drive plate on the end face of being located at described base, the lateral edges of the outwardly described base of a part of described drive plate, described demarcation strip is provided with third through-hole and stretches in described the second chamber for the drive plate of described IGBT module, described demarcation strip is extended with catch in described third through-hole, and described catch is resisted against the drive plate of described IGBT module towards the one side of described radiator.
5. electromagnetism movement as claimed in claim 3, it is characterized in that, described control board is installed on described second partition and with respect to described the first dividing plate and is inclined to set, described resonant panel and power panel are installed on described the first dividing plate, and described resonant panel is electrically connected to the first terminal of described IGBT module and the second terminal of described bridge heap.
6. electromagnetism movement as claimed in claim 3; it is characterized in that; described the first dividing plate comprises sheet-metal layers, the first silicone protective layer and the second silicon protection glue-line; described sheet-metal layers has towards the first surface of described the first chamber and towards the second surface of described the second chamber, and described the first silicone protective layer and the second silicone protective layer are located at respectively first surface and the second surface of described sheet-metal layers.
7. electromagnetism movement as claimed in claim 6, it is characterized in that, described sheet-metal layers is formed with the first glue-line articulamentum of annular on the wall surface of the hole of described the first through hole, so that described the first silicone protective layer is connected with the second silicone protective layer, and the first glue-line articulamentum extends to form the first projection of annular towards described the second chamber, described sheet-metal layers is formed with the second glue-line articulamentum of annular on the wall surface of the hole of described the second through hole, so that described the first silicone protective layer is connected with the second silicone protective layer, and the second glue-line articulamentum extends to form the second projection of annular towards described the second chamber.
8. electromagnetism movement as claimed in claim 3, it is characterized in that, also comprise a plurality of supporting studs, on described the first dividing plate, corresponding each supporting studs is provided with installing hole, one end of described support column spiral shell and described absorber plate are fixed, the other end of described supporting studs is through the installing hole on described the first dividing plate, on described resonant panel and power panel, in the position of the described support column of correspondence, be provided with through hole, by a plurality of screws, pass respectively the through hole on described resonant panel and power panel and be spirally connected and described resonant panel and power panel are fixed with corresponding supporting studs.
9. electromagnetism movement as claimed in claim 3, it is characterized in that, the sidewall of described casing is rectangular, comprise front side board, back side panel, left plate and right plate, described blower fan is located at the interior also close described left plate of the second chamber of described casing and is installed, described the first gas channel and the second gas channel extend to described right plate by described left plate, described the first ventilation hole is located at the position of corresponding described blower fan on described left plate, described the second ventilation hole is located at the position of corresponding described the second chamber on described right plate, the second end of described second partition is overlapped on the fan frame of described blower fan.
10. electromagnetism movement as claimed in claim 9, it is characterized in that, also comprise EMI filter band and resonant capacitance, described EMI filter band is located in described the second chamber and is installed on described right plate, described resonant capacitance is located at the outside of described casing and is arranged on described front side board or back side panel, and the binding post of described resonant capacitance extend in described the second chamber.
11. 1 kinds of electromagnetic ovens, comprise body of heater, it is characterized in that, described electromagnetic oven also comprises the electromagnetism movement as described in any one in claim 1 to 10, and described electromagnetism movement is installed on described body of heater.
CN201410023897.XA 2014-01-17 2014-01-17 Electromagnetic machine core and electromagnetic oven Expired - Fee Related CN103747550B (en)

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