CN103747550B - Electromagnetic machine core and electromagnetic oven - Google Patents
Electromagnetic machine core and electromagnetic oven Download PDFInfo
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- CN103747550B CN103747550B CN201410023897.XA CN201410023897A CN103747550B CN 103747550 B CN103747550 B CN 103747550B CN 201410023897 A CN201410023897 A CN 201410023897A CN 103747550 B CN103747550 B CN 103747550B
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Abstract
Disclosure one electromagnetic machine core, including casing, it is located at the radiator in described casing, IGBT module, bridge is piled, resonant panel, power panel, panel, blower fan and demarcation strip, the inner space of casing is separated into the first isolated chamber and the second chamber by demarcation strip, the pedestal of the base of IGBT module and bridge heap is located in the first chamber, second terminal of the first terminal of IGBT module and bridge heap is inserted in the second chamber, casing is provided with mean for air-flow and passes in and out the first air vent and second air vent of the first chamber, radiator be located in the first chamber and with the pedestal thermal conductive contact of the base of IGBT module and bridge heap, resonant panel, power panel and panel are located in the second chamber, airflow passes the first chamber that blower fan produces.Invention additionally discloses a kind of electromagnetic oven adopting described electromagnetic machine core.The present invention can not only improve the radiating effect of electromagnetic machine core, and can make the electrification device erosion from oil smoke, moisture of electromagnetic machine core.
Description
Technical field
The present invention relates to electromagentic furnace technology field, particularly relate to a kind of electromagnetic machine core, and relate to a kind of electromagnetic oven adopting this electromagnetic machine core.
Background technology
In commercial electromagnetic oven, in order to ensure the stable operation of electromagnetic machine core, it usually needs the heater members in electromagnetic machine core is dispelled the heat.At present, the radiating mode of electromagnetic machine core mainly adopts indirect radiating mode and direct radiating mode.Wherein, indirect radiating mode is: be arranged on by heater members on aluminium section bar fin, aluminium section bar fin absorbs IGBT(insulated gate bipolar transistor) module heat produced with bridge heap, again through blower fan, aluminium section bar fin is blown heat radiation, although this kind of mode can make movement have good sealing property, but radiating effect is poor.Direct radiating mode is: adopt blower fan directly the chamber at IGBT module, bridge heap and circuit board place to be dispelled the heat, this kind of mode radiating effect is better, but easily cause the electrification device such as the IGBT module in chamber, Qiao Dui, circuit board to be corroded by oil smoke, moisture, cause electrification device bad, shorten the service life of electromagnetic machine core.
Summary of the invention
Present invention is primarily targeted at a kind of electromagnetic machine core of offer, it is intended to improve the radiating effect of electromagnetic machine core, and make the electrification device erosion from oil smoke, moisture of electromagnetic machine core.
nullTo achieve these goals，The present invention provides a kind of electromagnetic machine core，Including casing、It is located at the radiator in described casing、IGBT module、Bridge is piled、Resonant panel、Power panel、Panel and blower fan，Described electromagnetic machine core also includes 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 includes base and the multiple the first terminals being located on the end face of described base，Described bridge heap includes pedestal and multiple second terminals being located on the end face of described pedestal，The pedestal of the base of described IGBT module and described bridge heap is located in described first chamber，Described demarcation strip is provided with the first through hole and the second through hole and is inserted in described second chamber with the second terminal piled for the first terminal of described IGBT module and described bridge respectively，Described casing is provided with mean for air-flow and passes in and out the first air vent and second air vent of described first chamber，Described radiator be located in described first chamber and with the pedestal thermal conductive contact of the base of described IGBT module and described bridge heap，Described resonant panel、Power panel and panel are located in described second chamber，Described assembling is also corresponding described first chamber setting in 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.
nullPreferably，Described radiator includes absorber plate and multiple fin，Described absorber plate has the second surface of the first surface towards described demarcation strip and described demarcation strip dorsad，The 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 the 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 separately and form the second gas channel between the first surface and described demarcation strip of described absorber plate，The pedestal of the base of described IGBT module and described bridge heap is positioned at described second gas channel and in being arranged side by side，The pedestal of the base of described IGBT module and described bridge heap and the first surface thermal conductive contact of described absorber plate，A part for the air-flow that described blower fan produces flows through described first gas channel to brush described fin，The another part of the air-flow that described blower fan produces flows through the pedestal of described second gas channel base and described bridge heap to brush described IGBT module.
nullPreferably，Described casing includes base plate、Upper cover and be connected to the sidewall between described base plate and upper cover，Described demarcation strip is located between described upper cover and base plate，Described first chamber is between described base plate and demarcation strip，Described second chamber is between described upper cover and described demarcation strip，Described demarcation strip includes the first dividing plate and the second partition being connected with described first dividing plate，Described first dividing plate parallels setting with the absorber plate of described radiator，Described first through hole and the second through hole are arranged on described first dividing plate，Described second partition is inclined to set，Described second partition has the first end being connected with described first dividing plate and the second end away from described first dividing plate，Distance between second end and the described base plate of described second partition is more than the distance between the first end and the described base plate of described second partition，The air-flow that described blower fan produces is guided into described second gas channel through described second partition.
Preferably, described IGBT module also includes the driving plate being located on the end face of described base, the lateral edges of the outwardly described base of a part of described driving plate, described demarcation strip is provided with third through-hole and stretches in described second chamber for the driving plate of described IGBT module, described demarcation strip is extended with catch in described third through-hole, and described catch is resisted against the driving plate one side towards described radiator of described IGBT module.
Preferably, described panel is installed on described second partition and is inclined to set relative to described first dividing plate, described resonant panel and power panel are installed on described first dividing plate, and described resonant panel electrically connects with the first terminal of described IGBT module and the second terminal of described bridge heap.
Preferably; described first dividing plate includes sheet-metal layers, the first silicone protective layer and the second silicon protection glue-line; described sheet-metal layers has the first surface towards described first chamber and the second surface towards described second chamber, and described first silicone protective layer and the second silicone protective layer are respectively arranged on 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 first through hole; so that described first silicone protective layer and the second silicone protective layer are connected; and first glue-line articulamentum towards described second chamber extend to form annular first protruding; described sheet-metal layers is formed with the second glue-line articulamentum of annular on the wall surface of the hole of described second through hole; described first silicone protective layer and the second silicone protective layer to be connected, and the second glue-line articulamentum extends to form the second projection of annular towards described second chamber.
Preferably, described electromagnetic machine core also includes multiple supporting studs, on described 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, installing hole on the other end described first dividing plate of traverse of described supporting studs, described resonant panel and power panel are provided with through hole in the position of corresponding described support column, are each passed through the through hole on described resonant panel and power panel by multiple screws and are spirally connected with corresponding supporting studs and described resonant panel and power panel are fixed.
Preferably, the sidewall of described casing is rectangular, including front side board, back side panel, left plate and right plate, described blower fan is located in the second chamber of described casing and installs near described left plate, described first gas channel and the second gas channel extend to described right plate by described left plate, the position that described first air vent is located on described left plate corresponding described blower fan, described second air vent is located on described right plate the position of corresponding described second chamber, and the second end of described second partition is overlapped in the fan frame of described blower fan.
Preferably, described electromagnetic machine core also includes EMI filter band and resonant capacitance, described EMI filter band is located in described 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 second chamber.
The present invention also provides for a kind of electromagnetic oven, and including body of heater, described electromagnetic oven also includes aforesaid electromagnetic machine core, and described electromagnetic machine core is installed on described body of heater.
The electromagnetic machine core of the present invention and electromagnetic oven, by arranging demarcation strip in casing, the inner space of casing is separated into the first isolated chamber and the second chamber, the pedestal that the base of IGBT module and bridge are piled is arranged in the first chamber and with radiator thermal conductive contact, and make the first terminal of IGBT module and the second terminal of bridge heap stretch in the second chamber.On the one hand, owing to IGBT module and bridge are piled for the main heat generating components in electromagnetic machine core, both can be quickly transmitted to radiator by produced heat, described in the airflow passes that blower fan produces during the first chamber, radiator can either be brushed take away with the heat that will be transmitted to radiator, the base of IGBT module and the pedestal of bridge heap be can directly brush again and IGBT module and a part of heat of bridge heap generation directly taken away, namely brushing of radiator indirectly can be distributed by IGBT module and the produced heat of bridge heap by blower fan, and directly brushed by the pedestal of the blower fan base to IGBT module and bridge heap simultaneously and directly distribute, thus having double-radiation function effect, radiating efficiency is high, ensure that electromagnetic machine core long-term stability is run, extend the service life of electromagnetic machine core；On the other hand, the second terminal that the electrification device of electromagnetic machine core such as resonant panel, power panel, panel, the first terminal of IGBT module, bridge are piled is mounted in the second chamber and isolated by demarcation strip and the first chamber, it is thus possible to from the erosion of oil smoke, moisture, extend the service life of electromagnetic machine core further.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of electromagnetic machine core one embodiment of the present invention.
Fig. 2 is the decomposed schematic diagram of electromagnetic machine core shown in Fig. 1.
Fig. 3 is the structural representation after electromagnetic machine core shown in Fig. 1 removes upper cover.
Fig. 4 is the top view of electromagnetic machine core shown in Fig. 3.
Fig. 5 is electromagnetic machine core shown in Fig. 4 along the sectional view of line A-A.
Fig. 6 is electromagnetic machine core shown in Fig. 4 along the sectional view of line B-B.
Fig. 7 is the structural representation of the first dividing plate in electromagnetic machine core shown in Fig. 2.
Fig. 8 is the enlarged drawing at C place in Fig. 7.
Fig. 9 is the right view of electromagnetic machine core shown in Fig. 1.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that detailed description of the invention described herein is only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of electromagnetic machine core, and described electromagnetic machine core is applicable to be installed in electromagnetic oven particularly commercial induction cooker, in order to convert electric energy to heat energy.Referring to figs. 1 through Fig. 9, in an embodiment of electromagnetic machine core of the present invention, radiator 2, IGBT module 3, bridge heap 4, resonant panel 5, power panel 6, panel 7, blower fan 8 and the demarcation strip 9 that described electromagnetic machine core includes casing 1, is located in described casing 1.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 includes base 31 and is located at the multiple the first terminals 32 on the end face of described base 31, and described bridge heap 4 includes pedestal 41 and multiple second terminals 42 being located 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 first chamber 11.Described demarcation strip 9 is provided with the second terminal 42 of the first through hole 91 and the second through hole 92 the first terminal 32 and described bridge heap 4 to supply described IGBT module 3 respectively and is inserted in described second chamber 12.
Described casing 1 is provided with mean for the first air vent 101(of air-flow described first chamber 11 of turnover as shown in Figure 1) and the second air vent 102(is as shown in Figure 9).Described radiator 2 be located in described first chamber 11 and with pedestal 41 thermal conductive contact of the base 31 of described IGBT module 3 and described bridge heap 4.
Described resonant panel 5, power panel 6 and panel 7 are located in described second chamber 12, described blower fan 8 is installed in described casing 1 and corresponding described first chamber 11 is arranged, and the first chamber 11 described in the airflow passes that described blower fan 8 produces is to brush the pedestal 41 of described radiator 2, the base 31 of described IGBT module 3 and described bridge heap 4 simultaneously.
In described electromagnetic machine core, by arranging demarcation strip 9 in casing 1, the inner space of casing 1 is separated into the first isolated chamber 11 and the second chamber 12, the base 31 of IGBT module 3 and bridge are piled the pedestal 41 of 4 be arranged in the first chamber 11 and with radiator 2 thermal conductive contact, and make the first terminal 32 of IGBT module 3 and the second terminal 42 of bridge heap 4 stretch in the second chamber 12.nullOn the one hand，Owing to IGBT module 3 and bridge heap 4 are the main heat generating components in electromagnetic machine core，Both can be quickly transmitted to radiator 2 by produced heat，Described in the airflow passes that blower fan 8 produces during the first chamber 11，Radiator 2 can either be brushed take away with the heat that will be transmitted to radiator 2，The base 31 of IGBT module 3 and the pedestal 41 of bridge heap 4 be can directly brush again and IGBT module 3 and a part of heat of bridge heap 4 generation directly taken away，Namely IGBT module 3 and bridge heap 4 produced by heat can pass through blower fan 8 brushing of radiator 2 is distributed indirectly，And directly brushed by the pedestal 41 of the blower fan 8 base 31 to IGBT module 3 and bridge heap 4 simultaneously and directly distribute，Thus having double-radiation function effect，Radiating efficiency is high，Ensure that electromagnetic machine core long-term stability is run，Extend the service life of electromagnetic machine core；On the other hand, the electrification device of electromagnetic machine core such as resonant panel 5, power panel 6, panel 7, the first terminal 32 of IGBT module 3, bridge heap 4 the second terminal 42 be mounted in the second chamber 12 and pass through demarcation strip 9 and the first chamber 11 is isolated, it is thus possible to from the erosion of oil smoke, moisture, extend the service life of electromagnetic machine core further.
As shown in Figure 6, in the present embodiment, described radiator 2 includes absorber plate 21 and multiple fin 22.Described absorber plate 21 has the second surface of the first surface towards described demarcation strip 9 and described demarcation strip 9 dorsad, the 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 the 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 separately and form the second gas channel 20 between the first surface and described demarcation strip 9 of described absorber plate 21, the pedestal 41 of the base 31 of described IGBT module 3 and described bridge heap 4 is positioned at described second gas channel 20 and in being arranged side by side, namely along the bearing of trend of described second gas channel 20, do not formed between the pedestal 41 of the base 31 of described IGBT module 3 and described bridge heap 4 and block.The pedestal 41 of the base 31 of described IGBT module 3 and described bridge heap 4 and the first surface thermal conductive contact of described absorber plate 21, namely described base 31 and pedestal 41 can be mounted directly on the first surface of described absorber plate 21 to be formed and directly contact, can also is that the first surface coated with thermally conductive cream between described base 31 with the first surface of described absorber plate 21 and between described pedestal 41 and described absorber plate 21 forms interval and contacts, 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 flows through described first gas channel 10 to brush described fin 22, and the another part of the air-flow that described blower fan 8 produces flows through the pedestal 41 of described second gas channel 20 base 31 and described bridge heap 4 to brush described IGBT module 3.The air-flow that described blower fan 8 produces can brush first surface and the second surface of absorber plate 21 simultaneously, it is possible to is effectively improved radiating effect.
With reference to Fig. 3 to Fig. 6, in the present embodiment, described IGBT module 3 also includes the driving plate 33 being located on the end face of described base 31, the lateral edges of the outwardly described base 31 of a part of described driving plate 33, described demarcation strip 9 is provided with third through-hole 93 and stretches in described second chamber 12 for the driving 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 driving plate 33 one side towards described radiator 2 of described IGBT module 3; with to driving plate 33 to carry out sealing protection such that it is able to effectively prevent by externally entering the oil smoke of the first chamber 11, moisture enters in the second chamber 12 through described third through-hole 93.
With reference to Fig. 2 to Fig. 6, in the present embodiment, described casing 1 includes base plate 13, upper cover 14 and is connected to 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 first chamber 11 is between described base plate 13 and demarcation strip 9, and described second chamber 12 is between described upper cover 14 and described demarcation strip 9.
Specifically, described demarcation strip 9 includes the first dividing plate 95 and the second partition 96 being connected with described first dividing plate 95.Described first dividing plate 95 parallels setting with the absorber plate 21 of described radiator 2, and described first through hole the 91, second through hole 92 and third through-hole 93 are arranged on described first dividing plate 95, and described second partition 96 is inclined to set.Described second partition 96 has the first end 961 being connected with described first dividing plate 95 and the second end 962 away from described first dividing plate 95, and the distance between the second end 962 and the described base plate 13 of described second partition 96 is more than the distance between the first end 961 and the described base plate 13 of described second partition 96.The air-flow that described blower fan 8 produces is guided into described second gas channel 20 through described second partition 96.In the present embodiment, described second partition 96 and the first dividing plate 95 form for separately manufactured, and in other embodiments, described second partition 96 and the first dividing plate 95 can also be made of one piece.
Described panel 7 is installed on described second partition 96 and is inclined to set relative to described first dividing plate 95, described resonant panel 5 and power panel 6 are installed on described first dividing plate 95, and described resonant panel 5 electrically connects with 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, can not only be undertaken being guided into the second gas channel 20 by the air-flow that blower fan 8 produces, but also be used for tilting to install by panel 7, so can so that being fully used in the inner space of casing 1, such that it is able to effectively shorten the entire length of electromagnetic machine core, it can in addition contain convenient, blower fan 8 is installed in casing 1.
In the present embodiment, on described first dividing plate 95, the quantity of set first through hole 91 is multiple, and corresponding with the quantity of described the first terminal 32, and each the first terminal 32 stretches into described second chamber 12 through the first through hole 91 of a correspondence.On described first dividing plate 95, the quantity of set second through hole 92 is one, and the plurality of second terminal stretches into described second chamber 12 through this second through hole 92 jointly.In other embodiments, described first dividing plate 95 can also is that a first bigger through hole is only set, and make the plurality of the first terminal jointly through this first bigger through hole；Described second partition 96 can also is that, each second terminal corresponding arranges a second less through hole, and makes the second less through hole of each second terminal traverse correspondence.
With reference to Fig. 7 and Fig. 8; described first dividing plate 95 includes sheet-metal layers the 951, first silicone protective layer 952 and the second silicon protection glue-line 953; described sheet-metal layers 951 has the first surface towards described first chamber 11 and the second surface towards described second chamber 12, and described first silicone protective layer 952 and the second silicone protective layer 953 are respectively arranged on first surface and the second surface of described sheet-metal layers 951.Wherein, sheet-metal layers 951 can provide enough installation strength; first silicone protective layer 952 and the second silicone protective layer 953 then can realize good sealing, and prevent sheet-metal layers 951 from the erosion of oil smoke, moisture, to improve the ruggedness of the first dividing plate 95.Described 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 first dividing plate 95 away from one end of described second partition 96, and described kink 9511 abuts against for the sidewall 15 with described casing 1, so that the first dividing plate 95 to be 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 first through hole 91; described first silicone protective layer 952 and the second silicone protective layer 953 to be connected, and the first glue-line articulamentum 954 extends to form the first projection 955 of annular towards described 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 second through hole 92; described first silicone protective layer 952 and the second silicone protective layer 953 to be connected, and the second glue-line articulamentum 956 extends to form the second projection 957 of annular towards described 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; described first silicone protective layer 952 and the second silicone protective layer 953 to be connected, and the 3rd glue-line articulamentum 958 extends to form the 3rd projection 959 of annular towards described second chamber 12.By arranging the first glue-line articulamentum 954 and protruding 955, second glue-line articulamentum 956 thereof and protruding 957, the 3rd glue-line articulamentum 958 and protruding 959 thereof, can so that being formed and combine closely between the second terminal 42 and driving plate 33 and first dividing plate 95 of IGBT module 3 of the first terminal 32 of IGBT module 3, bridge heap 4, thus effectively preventing the oil smoke in the first chamber 11, moisture from entering in the first chamber 12.
With reference to Fig. 2 and Fig. 5, described electromagnetic machine core also includes multiple supporting studs 23, on described first dividing plate 95, corresponding each supporting studs 23 is provided with installing hole 950, one end of described support column spiral shell 23 is fixed with described absorber plate 21, installing hole 950 on the other end described first dividing plate 95 of traverse of described supporting studs 23, described resonant panel 5 and power panel 6 are provided with through hole in the position of corresponding described support column 23, it is each passed through the through hole on described resonant panel 5 and power panel 6 by multiple screws 97 and is spirally connected with corresponding supporting studs 23 and described resonant panel 5 and power panel 6 are fixed.
In the present embodiment, the sidewall 15 of described casing 1 is rectangular, including 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 in the second chamber 12 of described casing 1 and installs near described left plate 153.By described blower fan 8 is located in the second chamber 12 of described casing 1, can effectively shorten the entire length of electromagnetic machine core, and owing to the second partition 96 of demarcation strip 9 is inclined to set so that blower fan 8 is located in the second chamber 12 of described casing 1 and can't the whole height of casing 1 be impacted.Described first gas channel 10 and the second gas channel 20 extend to described right plate 154 by described left plate 153, the position that described first air vent 101 is located on described left plate 153 corresponding described blower fan 8, the position (as shown in Figure 9) that described second air vent 102 is located on described right plate 154 corresponding described second chamber 12.Second end 962 of described second partition 96 is overlapped in the fan frame of described blower fan 8.
Further, described electromagnetic machine core also includes EMI(ElectroMagneticInterference, electromagnetic interference) filter band 40 and resonant capacitance 50, described EMI filter band 40 is located in described 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 second chamber 12 is provided with perforate 1511, and the binding post of described resonant capacitance 50 extend in described second chamber 12 through perforate 1511.
Described EMI filter band 40 is installed on the right plate 154 of casing 1, can shorten the entire length of electromagnetic machine core further.Described resonant capacitance 50 is installed on the outside of casing 1, it is possible to saves the content installing space of casing 1, and can resonant capacitance 50 effectively be dispelled the heat.
Embodiments of the invention also provide for a kind of electromagnetic oven, and described electromagnetic oven includes the electromagnetic machine core in body of heater and previous embodiment, and described electromagnetic machine core is installed on described body of heater.
The invention is not limited in embodiment of above, under technology contents disclosed in above-mentioned embodiment, it is also possible to carry out various change.Every equivalent structure transformation utilizing description of the present invention and accompanying drawing content to make, or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (11)
- null1. an electromagnetic machine core，Including casing、It is located at the radiator in described casing、IGBT module、Bridge is piled、Resonant panel、Power panel、Panel and blower fan，It is characterized in that，Described electromagnetic machine core also includes 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 includes base and the multiple the first terminals being located on the end face of described base，Described bridge heap includes pedestal and multiple second terminals being located on the end face of described pedestal，The pedestal of the base of described IGBT module and described bridge heap is located in described first chamber，Described demarcation strip is provided with the first through hole and the second through hole and is inserted in described second chamber with the second terminal piled for the first terminal of described IGBT module and described bridge respectively，Described casing is provided with mean for air-flow and passes in and out the first air vent and second air vent of described first chamber，Described radiator be located in described first chamber and with the pedestal thermal conductive contact of the base of described IGBT module and described bridge heap，Described resonant panel、Power panel and panel are located in described second chamber，Described assembling is also corresponding described first chamber setting in 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；Described demarcation strip includes the first dividing plate and the second partition being connected with described first dividing plate, and described first dividing plate and described radiator be arranged in parallel, and described second partition and described radiator are inclined to set；Described panel is installed on described second partition and is inclined to set relative to described first dividing plate.
- null2. electromagnetic machine core as claimed in claim 1，It is characterized in that，Described radiator includes absorber plate and multiple fin，Described absorber plate has the second surface of the first surface towards described demarcation strip and described demarcation strip dorsad，The 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 the 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 separately and form the second gas channel between the first surface and described demarcation strip of described absorber plate，The pedestal of the base of described IGBT module and described bridge heap is positioned at described second gas channel and in being arranged side by side，The pedestal of the base of described IGBT module and described bridge heap and the first surface thermal conductive contact of described absorber plate，A part for the air-flow that described blower fan produces flows through described first gas channel to brush described fin，The another part of the air-flow that described blower fan produces flows through the pedestal of described second gas channel base and described bridge heap to brush described IGBT module.
- 3. electromagnetic machine core as claimed in claim 2, it is characterized in that, described casing includes base plate, upper cover and be connected to the sidewall between described base plate and upper cover, described demarcation strip is located between described upper cover and base plate, described first chamber is between described base plate and demarcation strip, described second chamber is between described upper cover and described demarcation strip, described first through hole and the second through hole are arranged on described first dividing plate, described second partition has the first end being connected with described first dividing plate and the second end away from described first dividing plate, distance between second end and the described base plate of described second partition is more than the distance between the first end and the described base plate of described second partition, the air-flow that described blower fan produces is guided into described second gas channel through described second partition.
- 4. electromagnetic machine core as claimed in claim 3, it is characterized in that, described IGBT module also includes the driving plate being located on the end face of described base, the lateral edges of the outwardly described base of a part of described driving plate, described demarcation strip is provided with third through-hole and stretches in described second chamber for the driving plate of described IGBT module, described demarcation strip is extended with catch in described third through-hole, and described catch is resisted against the driving plate one side towards described radiator of described IGBT module.
- 5. electromagnetic machine core as claimed in claim 1, it is characterised in that described resonant panel and power panel are installed on described first dividing plate, described resonant panel electrically connects with the first terminal of described IGBT module and the second terminal of described bridge heap.
- 6. electromagnetic machine core as claimed in claim 3; it is characterized in that; described first dividing plate includes sheet-metal layers, the first silicone protective layer and the second silicon protection glue-line; described sheet-metal layers has the first surface towards described first chamber and the second surface towards described second chamber, and described first silicone protective layer and the second silicone protective layer are respectively arranged on first surface and the second surface of described sheet-metal layers.
- 7. electromagnetic machine core 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 first through hole, so that described first silicone protective layer and the second silicone protective layer are connected, and first glue-line articulamentum towards described second chamber extend to form annular first protruding, described sheet-metal layers is formed with the second glue-line articulamentum of annular on the wall surface of the hole of described second through hole, so that described first silicone protective layer and the second silicone protective layer are connected, and second glue-line articulamentum towards described second chamber extend to form annular second protruding.
- 8. electromagnetic machine core as claimed in claim 3, it is characterized in that, also include multiple supporting studs, on described 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, installing hole on the other end described first dividing plate of traverse of described supporting studs, described resonant panel and power panel are provided with through hole in the position of corresponding described support column, are each passed through the through hole on described resonant panel and power panel by multiple screws and are spirally connected with corresponding supporting studs and described resonant panel and power panel are fixed.
- 9. electromagnetic machine core as claimed in claim 3, it is characterized in that, the sidewall of described casing is rectangular, including front side board, back side panel, left plate and right plate, described blower fan is located in the first chamber of described casing and installs near described left plate, described first gas channel and the second gas channel extend to described right plate by described left plate, the position that described first air vent is located on described left plate corresponding described blower fan, described second air vent is located on described right plate the position of corresponding described first chamber, second end of described second partition is overlapped in the fan frame of described blower fan.
- 10. electromagnetic machine core as claimed in claim 9, it is characterized in that, also include EMI filter band and resonant capacitance, described EMI filter band is located in described 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 second chamber.
- 11. an electromagnetic oven, including body of heater, it is characterised in that described electromagnetic oven also includes the electromagnetic machine core in claim 1 to 10 as described in any one, and described electromagnetic machine core is installed on described body of heater.
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| CN201410023897.XA CN103747550B (en) | 2014-01-17 | 2014-01-17 | Electromagnetic machine core and electromagnetic oven |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410023897.XA CN103747550B (en) | 2014-01-17 | 2014-01-17 | Electromagnetic machine core and electromagnetic oven |
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| CN103747550A CN103747550A (en) | 2014-04-23 |
| CN103747550B true CN103747550B (en) | 2016-07-06 |
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| CN201410023897.XA Expired - Fee Related CN103747550B (en) | 2014-01-17 | 2014-01-17 | Electromagnetic machine core and electromagnetic oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108131697A (en) * | 2017-12-08 | 2018-06-08 | 深圳国创名厨商用设备制造有限公司南海分公司 | A kind of movement and use its electromagnetic stove |
| CN113115556A (en) * | 2020-01-09 | 2021-07-13 | 宏达国际电子股份有限公司 | Electronic device |
Citations (6)
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| CN2891466Y (en) * | 2006-01-23 | 2007-04-18 | 袁忠杰 | Wind cooled high frequency switch power supply structure |
| CN2914410Y (en) * | 2006-01-13 | 2007-06-20 | 江龙兆 | Structure of high-power high-frequency switch power supply |
| CN202022174U (en) * | 2011-04-26 | 2011-11-02 | 天津阿尔特汽车技术有限公司 | Motor controller for electric automobile |
| CN102427626A (en) * | 2011-08-30 | 2012-04-25 | 东莞市精诚电能设备有限公司 | Large power induction cooker power controller |
| CN103292367A (en) * | 2013-05-14 | 2013-09-11 | 广东鼎燊科技有限公司 | Movement structure of commercial induction cooker |
| CN203775443U (en) * | 2014-01-17 | 2014-08-13 | 广东美的厨房电器制造有限公司 | Electromagnetic machine core and induction cooker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1187036A (en) * | 1997-09-02 | 1999-03-30 | Matsushita Electric Ind Co Ltd | Induction heating cooker |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2914410Y (en) * | 2006-01-13 | 2007-06-20 | 江龙兆 | Structure of high-power high-frequency switch power supply |
| CN2891466Y (en) * | 2006-01-23 | 2007-04-18 | 袁忠杰 | Wind cooled high frequency switch power supply structure |
| CN202022174U (en) * | 2011-04-26 | 2011-11-02 | 天津阿尔特汽车技术有限公司 | Motor controller for electric automobile |
| CN102427626A (en) * | 2011-08-30 | 2012-04-25 | 东莞市精诚电能设备有限公司 | Large power induction cooker power controller |
| CN103292367A (en) * | 2013-05-14 | 2013-09-11 | 广东鼎燊科技有限公司 | Movement structure of commercial induction cooker |
| CN203775443U (en) * | 2014-01-17 | 2014-08-13 | 广东美的厨房电器制造有限公司 | Electromagnetic machine core and induction cooker |
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