CN1177192A - High voltage transformers for electric cooking stoves - Google Patents

High voltage transformers for electric cooking stoves Download PDF

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Publication number
CN1177192A
CN1177192A CN97110893A CN97110893A CN1177192A CN 1177192 A CN1177192 A CN 1177192A CN 97110893 A CN97110893 A CN 97110893A CN 97110893 A CN97110893 A CN 97110893A CN 1177192 A CN1177192 A CN 1177192A
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iron core
shaped iron
coil
voltage transformer
primary coil
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李性浩
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Priority claimed from KR1019960015989A external-priority patent/KR100187256B1/en
Priority claimed from KR1019960015988A external-priority patent/KR100187255B1/en
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Publication of CN1177192A publication Critical patent/CN1177192A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08—High-leakage transformers or inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F2038/003—High frequency transformer for microwave oven

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

本发明公开一种用于电子烹饪炉的高压变压器,其绝缘结构简化,制造工序简单,制造成本低廉。它的E字形铁芯与Ⅰ字形铁芯相接触,形成多个腔室,初级线圈、灯丝线圈、傍路铁芯以及次级线圈依次插入其中,在所述E字形铁芯的各内壁上配置绝缘线圈骨架,在所述E字形铁芯和Ⅰ字形铁芯的外侧分别固定接线端支撑座,在所述各接线端支撑座上连接接线端。

The invention discloses a high-voltage transformer used in an electronic cooking stove, which has simplified insulation structure, simple manufacturing process and low manufacturing cost. Its E-shaped iron core is in contact with the I-shaped iron core to form a plurality of chambers, in which the primary coil, filament coil, bypass iron core and secondary coil are inserted in sequence, and are arranged on the inner walls of the E-shaped iron core. The insulating coil bobbin is used to fix the terminal supporting seats on the outer sides of the E-shaped iron core and the I-shaped iron core respectively, and to connect the terminals on the respective terminal supporting seats.

Description

用于电子烹饪炉 的高压变压器High voltage transformers for electric cooking hobs

本发明涉及用于电子烹饪炉的高压变压器，尤其是关于改善变压器的绝缘结构，提高生产率、节省材料费用的电子烹饪炉用高压变压器。The invention relates to a high-voltage transformer for an electronic cooking stove, in particular to a high-voltage transformer for an electronic cooking stove that improves the insulation structure of the transformer, improves productivity, and saves material costs.

原来的这种电子烹饪炉利用磁控管产生的高频电磁波烹调食物，为提供驱动所述磁控管所需的电源，需要高压变压器。The original electronic cooking stove utilizes the high-frequency electromagnetic waves generated by the magnetron to cook food, and a high-voltage transformer is needed to provide the required power for driving the magnetron.

如前所述，为供给磁控管驱动用电源的已有电子烹饪炉的高压变压器如图1、2所示，其结构是，E字形铁芯1和I字形铁芯3相接触，在所述E字形铁芯1形成的腔室内依次插入金属线5a卷成的初级线圈5、金属丝(filament)7a卷成的灯丝线圈7、傍路铁芯9、和铜线11a卷成的次级线圈11。As previously mentioned, for the high-voltage transformer of the existing electronic cooking stove for supplying the magnetron driving power supply as shown in Figures 1 and 2, its structure is that the E-shaped iron core 1 and the I-shaped iron core 3 are in contact with each other. In the cavity formed by the above-mentioned E-shaped iron core 1, the primary coil 5 formed by rolling the metal wire 5a, the filament coil 7 formed by rolling the metal wire (filament) 7a, the bypass iron core 9, and the secondary coil formed by the copper wire 11a are inserted sequentially. Coil 11.

在所述初级线圈5、灯丝线圈7、傍路铁芯9、次级线圈11上分别卷上绝缘纸P，使彼此接触面及与所述铁芯1、3的接触面作电绝缘，在卷绕初级线圈5的绝缘纸P内侧配设绝缘体云母片S。On the primary coil 5, the filament coil 7, the bypass iron core 9, and the secondary coil 11, respectively roll up insulating paper P, so that the contact surfaces with each other and the contact surfaces with the iron cores 1 and 3 are electrically insulated. An insulator mica sheet S is arranged inside the insulating paper P around which the primary coil 5 is wound.

在所述初级线圈5的一侧上，用胶带T固定带有引线套管13的端电极14；在所述次级线圈11的一侧也用胶带T固定带有引线套管13的端电极14。On one side of the primary coil 5, the terminal electrode 14 with the lead sleeve 13 is fixed with adhesive tape T; the terminal electrode with the lead sleeve 13 is also fixed with adhesive tape T on one side of the secondary coil 11 14.

如此构成的上述已有的高压变压器，首先在金属线5a卷成的初级线圈5上卷绕绝缘的云母片S之后，在所述云母片S外侧用绝缘纸卷绕，再用胶带T在所述初级线圈5一侧上固定带有引线套管13的端电极14，之后插进初级铁芯1。In the above-mentioned existing high-voltage transformer constituted in this way, an insulating mica sheet S is first wound on the primary coil 5 formed by winding the metal wire 5a, and then the mica sheet S is wound with insulating paper on the outside of the mica sheet S, and then an adhesive tape T is used to wrap the mica sheet S on the primary coil 5. A terminal electrode 14 with a lead bushing 13 is fixed on one side of the primary coil 5 , and then inserted into the primary iron core 1 .

在灯丝线圈7上外绕绝缘纸P，配设在所述初级线圈5的上侧，在傍路铁芯9上外绕绝缘纸P，配设在所述灯丝线圈7的上侧，在次级线圈11的外侧外绕绝缘纸P之后，利用胶带T使带有引线套管13的端电极14固定在所述次级线圈11上，再把次级线圈11配设在所述傍路铁芯9的上侧。Insulating paper P is wound on the filament coil 7 and arranged on the upper side of the primary coil 5, and the insulating paper P is wound on the bypass iron core 9 and arranged on the upper side of the filament coil 7. After the outer side of the primary coil 11 is wound with insulating paper P, the terminal electrode 14 with the lead bushing 13 is fixed on the secondary coil 11 by tape T, and then the secondary coil 11 is arranged on the bypass rail. The upper side of core 9.

如上所述，在把初级线圈5、灯丝线圈7、傍路铁芯9和次级线圈11依次插设在E字形铁芯1上之后，使I字形铁芯3熔接在所述E字形铁芯1上。As mentioned above, after the primary coil 5, the filament coil 7, the bypass core 9 and the secondary coil 11 are sequentially inserted on the E-shaped core 1, the I-shaped core 3 is welded to the E-shaped core. 1 on.

象这样形成高压变压器之后，为防止生锈和减少噪声，在盛浸渍剂的槽中使变压器浸透并干燥后再使用。After the high-voltage transformer is formed in this way, in order to prevent rust and reduce noise, the transformer is soaked in a tank containing an impregnating agent and dried before use.

然而，如此构成的上述已有的电子烹饪炉的高压变压器，为了绝缘需用手工操作把绝缘纸P外绕在各个部件上，再用胶带T固定，还必须在初级线圈5、次级线圈11一侧上，利用胶带T固定带有引线套管13的端电极14，非常烦杂。However, the high-voltage transformer of the above-mentioned existing electronic cooking stove constituted in this way requires manual operation to wind the insulating paper P on each component, and then fixes it with adhesive tape T. On one side, fixing the terminal electrode 14 with the lead bushing 13 with the tape T is very troublesome.

并且还存在因在初级线圈5上外卷云母片S而使工时增加、装配效率下降等问题。In addition, there are problems such as an increase in man-hours and a decrease in assembly efficiency due to wrapping the mica sheet S on the primary coil 5 .

本发明便为解决上述问题而提出，目的是提供一种绝缘结构简化、制造工艺简便、并且制造成本低廉的用于电子烹饪炉的高压变压器。The present invention is proposed to solve the above problems, and the purpose is to provide a high-voltage transformer for electronic cooking stoves with simplified insulation structure, simple and convenient manufacturing process, and low manufacturing cost.

为达到上述目的，根据本发明的用于电子烹饪炉的高压变压器，它的E字形铁芯与I字形铁芯相接触形成多个腔室，使初级线圈、灯丝线圈、傍路铁芯以及次级线圈依次插入其中，在所述E字形铁芯的各腔室内壁上配置绝缘线圈骨架，在所述E字形铁芯和I字形铁芯的外侧分别固定接线端支撑座，在所述各接线端支撑座上连接接线端。In order to achieve the above object, according to the high-voltage transformer for electronic cooking stove of the present invention, its E-shaped iron core and I-shaped iron core are in contact to form a plurality of chambers, so that the primary coil, filament coil, bypass iron core and secondary The first-level coils are inserted into them in sequence, and insulating coil bobbins are arranged on the inner walls of the chambers of the E-shaped iron cores, and the terminal support seats are respectively fixed on the outer sides of the E-shaped iron cores and the I-shaped iron cores, Connect the terminals to the terminal support.

并且，本发明另一种结构的用于电子烹饪炉的高压变压器，它的E字形铁芯与I字形铁芯相接触形成多个腔室，使初级线圈、灯丝线圈、傍路铁芯以及次级线圈依次插入其中，在所述E字形铁芯各腔室内壁上，配置折弯成接线端固定部的绝缘线圈骨架，接线端连结在所述接线端固定部上。And, another kind of structure of the present invention is used for the high-voltage transformer of electronic cooking stove, and its E-shaped iron core and I-shaped iron core are in contact to form a plurality of cavities, so that the primary coil, the filament coil, the bypass iron core and the secondary The primary coils are sequentially inserted therein, and on the inner wall of each chamber of the E-shaped iron core, an insulating coil bobbin bent into a terminal fixing part is arranged, and the terminal is connected to the terminal fixing part.

图1是已有的用于电子烹饪炉的高压变压器的分解透视图；Fig. 1 is the exploded perspective view of the existing high-voltage transformer that is used for electronic cooking stove;

图2是已有的用于电子烹饪炉的高压变压器的剖面图；Fig. 2 is the sectional view of existing high-voltage transformer for electronic cooking stove;

图3是根据本发明实施例1的高频食品加热器的高压变压器的分解透视图；3 is an exploded perspective view of a high-voltage transformer of a high-frequency food heater according to Embodiment 1 of the present invention;

图4是根据本发明实施例2的用于电子烹饪炉的高压变压器的分解透视图。Fig. 4 is an exploded perspective view of a high voltage transformer for an electric cooking stove according to Embodiment 2 of the present invention.

图5是根据本发明实施例2的用于电子烹饪炉的高压变压器的剖面图。Fig. 5 is a cross-sectional view of a high-voltage transformer for an electronic cooking stove according to Embodiment 2 of the present invention.

下面参照附图详述本发明的实施例。Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

图3是根据本发明实施例1的用于电子烹饪炉的高压变压器的分解透视图，与图1、2相同部分注以同样标号。Fig. 3 is an exploded perspective view of a high-voltage transformer for an electronic cooking stove according to Embodiment 1 of the present invention, and the same parts as Fig. 1 and 2 are marked with the same reference numerals.

如图3所示，根据本发明实施例1的用于电子烹饪炉的高压变压器，  E字形铁芯1和I字形铁芯3相接触，形成在所述E字形铁芯1中的腔室内壁上设置绝缘线圈骨架20，并依次在所述线圈骨架内侧插入以下部分：金属线5a卷绕而成的初级线圈5，金属丝7a卷成的灯丝线圈7，傍路铁芯9，和金属线11a卷成的次级线圈11。As shown in Figure 3, according to the high-voltage transformer used for the electronic cooking stove according to Embodiment 1 of the present invention, the E-shaped iron core 1 and the I-shaped iron core 3 are in contact, forming the chamber inner wall in the E-shaped iron core 1 An insulating bobbin 20 is arranged on the top of the bobbin, and the following parts are sequentially inserted inside the bobbin: a primary coil 5 wound with a metal wire 5a, a filament coil 7 wound with a metal wire 7a, a bypass core 9, and a metal wire 11a is wound into the secondary coil 11.

把绝缘纸P外卷在所述灯丝线圈7上，在所述傍路铁芯9上侧覆盖绝缘纸P，在所述次级线圈11上侧也覆盖绝缘纸P。Wrap the insulating paper P on the filament coil 7 , cover the upper side of the bypass iron core 9 with the insulating paper P, and cover the upper side of the secondary coil 11 with the insulating paper P as well.

在所述E字形铁芯和I字形铁芯3的一侧分别形成连接槽1a、3a，连接螺钉25插入形成在端电极23上的孔中，分别拧在所述各连接槽1a、3a中，带引线套管21的端电极23分别连接在所述E字形铁芯1和I字形铁芯3上。Connecting grooves 1a, 3a are respectively formed on one side of the E-shaped iron core and the I-shaped iron core 3, and the connecting screws 25 are inserted into the holes formed on the terminal electrodes 23, and screwed in the connecting grooves 1a, 3a respectively. , the terminal electrodes 23 with lead sleeves 21 are respectively connected to the E-shaped iron core 1 and the I-shaped iron core 3 .

所述端子板23被弯成直角，上下两端相对，以使引线套管21容易套装，同时使所述E字形铁芯1容易地分别连接到I字形铁芯3的一侧上。The terminal board 23 is bent into a right angle, and the upper and lower ends are opposite to each other, so that the lead sleeve 21 can be easily fitted, and at the same time, the E-shaped iron core 1 can be easily connected to one side of the I-shaped iron core 3 respectively.

所述骨架20和端电极23用如聚亚苯基硫醚(polyphenylene sulfide)或聚丁苯二甲酸丁二醇酯(polybutylene terephthalate)压模成型。The skeleton 20 and the terminal electrodes 23 are formed by compression molding such as polyphenylene sulfide or polybutylene terephthalate.

所述初级线圈5不用卷绕地配设绝缘纸P，以减少工时数量。The primary coil 5 is provided with insulating paper P without winding, so as to reduce the number of man-hours.

另一方面，图4是根据本发明实施例2的用于电子烹饪炉的高压变压器的分解透视图；图5是根据本发明实施例2的用于电子烹饪炉的高压变压器的剖面图，对于与图1、2中结构相同的部分用相同标号标注。On the other hand, Fig. 4 is an exploded perspective view of a high-voltage transformer for an electronic cooking stove according to Embodiment 2 of the present invention; Fig. 5 is a cross-sectional view of a high-voltage transformer for an electronic cooking stove according to Embodiment 2 of the present invention, for Parts with the same structure as those in Figures 1 and 2 are labeled with the same reference numerals.

如图4、5所示，根据本发明实施例2的用于电子烹饪炉的高压变压器，E字形铁芯1和I字形铁芯3相接触，在所述E字形铁芯1中形成的腔室内壁上配置绝缘线圈骨架30，在所述线圈骨架30内侧依次插入以下部分：金属线5a绕成的初级线圈5、金属丝7a绕成的灯丝线圈7、傍路铁芯9和金属线11a绕成的次级线圈11。As shown in Figures 4 and 5, according to the high-voltage transformer for an electronic cooking stove according to Embodiment 2 of the present invention, the E-shaped iron core 1 and the I-shaped iron core 3 are in contact, and the cavity formed in the E-shaped iron core 1 An insulating bobbin 30 is arranged on the interior wall, and the following parts are sequentially inserted inside the bobbin 30: a primary coil 5 wound from a metal wire 5a, a filament coil 7 wound from a metal wire 7a, a bypass iron core 9 and a metal wire 11a Winding into the secondary coil 11.

所述线圈骨架30应与形成于E字形铁芯1上的腔室一侧壁和底部侧接触，在所述线圈骨架30的一侧弯成接线端固定部30a，在所述接线端固定部30a用连接螺钉31配设接线端32。The bobbin 30 should be in contact with the side wall and the bottom side of the cavity formed on the E-shaped iron core 1, and a terminal fixing part 30a is bent on one side of the bobbin 30, and a terminal fixing part 30a is formed at the fixing part of the terminal. 30a is provided with a terminal 32 by means of a connecting screw 31 .

所述初级线圈5、灯丝线圈7、傍路铁芯9、次级线圈11仅在与线圈骨架30不接触部分外卷绝缘纸P，以减少工序，并且所述初级线圈5去掉了环绕云母片的作业，所以减少了工序数量。The primary coil 5, the filament coil 7, the bypass iron core 9, and the secondary coil 11 are only wrapped with insulating paper P at the parts that are not in contact with the bobbin 30, so as to reduce the process, and the surrounding mica sheet is removed from the primary coil 5. operations, so the number of processes is reduced.

此外，所述线圈骨架30用如聚亚苯基硫醚或聚丁苯二甲酸丁二醇酯压模成型。In addition, the bobbin 30 is compression-molded with, for example, polyphenylene sulfide or polybutylene phthalate.

下面，将描述根据如上构成的本发明实施例1、2的用于电子烹饪炉的高压变压器作用、效果。Next, the action and effect of the high-voltage transformer for an electric cooking stove according to Embodiments 1 and 2 of the present invention constituted as above will be described.

对于根据本发明实施例1的用于电子烹饪炉的高压变压器组装方面，首先把线圈骨架20分别插入E字形铁芯1的腔室中，再插入导线5a卷绕的初级线圈5，这时所述初级线圈5不实施卷绕绝缘纸P的操作，而且省去了卷绕绝缘物云母片S的工序。For the assembly of the high-voltage transformer used for the electronic cooking stove according to Embodiment 1 of the present invention, at first the bobbins 20 are respectively inserted into the cavity of the E-shaped iron core 1, and then the primary coil 5 wound by the wire 5a is inserted. The primary coil 5 does not carry out the operation of winding the insulating paper P, and the process of winding the insulating mica sheet S is omitted.

再在灯丝线圈7上外卷绝缘纸P后，将其插入所述E字形铁芯1的腔室中，使之位于所述初级线圈5的上侧，接着把装配好的傍路铁芯9插入E形铁芯1，使之位于所述灯丝线圈7的上侧，把绝缘纸P置于所述傍路铁芯9的上侧之后，将用金属线11a卷绕的次级线圈11置于所述傍路铁芯9的上侧。这时，所述次级线圈11与初级线圈5一样，免去了外卷绝缘纸P的工序。After wrapping the insulating paper P on the filament coil 7, insert it into the chamber of the E-shaped iron core 1 so that it is located on the upper side of the primary coil 5, and then place the assembled bypass iron core 9 Insert the E-shaped iron core 1 so that it is located on the upper side of the filament coil 7, and after placing the insulating paper P on the upper side of the bypass iron core 9, place the secondary coil 11 wound with the metal wire 11a on the On the upper side of the bypass iron core 9 . At this time, the secondary coil 11 is the same as the primary coil 5, and the process of wrapping the insulating paper P is omitted.

如上所述，把初级线圈5、灯丝线圈7、傍路铁芯9、次级线圈11依次插入E字形铁芯1的腔室中后，在所述次级线圈11上侧放置绝缘纸P，然后覆盖I字形铁芯3，并与E字形铁芯1熔接。As mentioned above, after inserting the primary coil 5, the filament coil 7, the bypass iron core 9, and the secondary coil 11 into the chamber of the E-shaped iron core 1 in sequence, an insulating paper P is placed on the upper side of the secondary coil 11, Then cover the I-shaped iron core 3 and weld it with the E-shaped iron core 1 .

对于如此形成的高压变压器，将其浸在充填浸渍剂的槽中，取出后进行干燥处理，可防锈，同时可减少噪声。For the high-voltage transformer formed in this way, immerse it in the tank filled with impregnating agent, take it out and carry out drying treatment, which can prevent rust and reduce noise at the same time.

再在连接接线端21的端电极23上形成的孔中插进螺钉25，然后把螺钉25拧在形成于E字形铁芯1及I字形铁芯3一侧的连接槽1a、3a上，把所述接线端支撑座23分别与E字形铁芯1及I字形铁芯3连接。Then insert the screw 25 into the hole formed on the terminal electrode 23 of the connection terminal 21, then screw the screw 25 on the connecting grooves 1a, 3a formed on the side of the E-shaped iron core 1 and the I-shaped iron core 3, and put The terminal supporting base 23 is respectively connected with the E-shaped iron core 1 and the I-shaped iron core 3 .

上述构成的高压变压器利用线圈骨架使初、次级线圈5、11和E字形铁芯1绝缘，从而，不在所述初、次级线圈5、11的外侧另卷绕绝缘纸，省去了在初级线圈5上卷绕云母片的操作，借此减少工序数量，同时节省绝缘纸的材料费，用连接螺钉25把带接线端21的端电极23简单地与E字形铁芯1及I字形铁芯3连接，以此使端子的连接操作变得简易。The above-mentioned high-voltage transformer uses the bobbin to insulate the primary and secondary coils 5, 11 and the E-shaped iron core 1, so that insulating paper is not wound on the outside of the primary and secondary coils 5, 11. The operation of winding the mica sheet on the primary coil 5 reduces the number of processes and saves the material cost of insulating paper at the same time. The terminal electrode 23 with the terminal 21 is simply connected to the E-shaped iron core 1 and the I-shaped iron core with the connecting screw 25. The core 3 is connected, so that the connection operation of the terminal becomes easier.

另一方面，对于根据本发明实施例2的用于电子烹饪炉的高压变压器的装配，用绝缘纸P卷绕由金属线5a绕成的初级线圈5的一侧，用绝缘纸P卷绕灯丝线圈7的一侧，用绝缘纸P卷绕傍路铁芯9的一侧，用绝缘纸P卷绕次级线圈11的一侧之后，依次作堆迭，再用线圈骨架30包裹所述堆迭了的初级线圈5、灯丝线圈7、傍路铁芯9、次级线圈11的两侧，并插入形成在E字形铁芯1的腔室中。On the other hand, for the assembly of the high-voltage transformer for an electric cooking stove according to Embodiment 2 of the present invention, one side of the primary coil 5 wound by the metal wire 5a is wound with insulating paper P, and the filament is wound with insulating paper P On one side of the coil 7, wrap the side of the bypass iron core 9 with the insulating paper P, and wrap the side of the secondary coil 11 with the insulating paper P, then stack them in turn, and then wrap the stack with the bobbin 30. The two sides of the stacked primary coil 5, filament coil 7, bypass iron core 9, and secondary coil 11 are inserted into the cavity formed in the E-shaped iron core 1.

如上所述，线圈骨架30以及分别在一侧卷绕绝缘纸P的初级线圈5、灯丝线圈7、傍路铁芯9、次级线圈11被插入E字形铁芯1的腔室中之后，使所述E字形铁芯1和I字形铁芯3熔接。As mentioned above, after the bobbin 30 and the primary coil 5, the filament coil 7, the bypass core 9, and the secondary coil 11 respectively wound with insulating paper P on one side are inserted into the cavity of the E-shaped core 1, the The E-shaped iron core 1 and the I-shaped iron core 3 are welded together.

上述构成的高压变压器被浸在充填了浸渍剂的槽中，然后取出进行干燥，可防锈并降低噪声。The high-voltage transformer constructed above is immersed in a tank filled with an impregnating agent, and then taken out for drying, which can prevent rust and reduce noise.

干燥完后，用紧固螺钉30把接线端32连接到在线圈骨架30一侧弯成的接线端固定部30a上。After drying, the terminal 32 is connected to the terminal fixing portion 30a bent on one side of the bobbin 30 with the fastening screw 30 .

象这样形成的高压变压器，通过配设线圈骨架30，除掉对一次线圈5围绕云母片的操作，无需用绝缘纸P卷绕各部件整体，利用局部包裹，不仅省去工序数量，而且节省了绝缘纸P的材料费，进而利用紧固螺钉31可对接线端32作简单装配。The high-voltage transformer formed in this way, by distributing the bobbin 30, removes the operation of surrounding the mica sheet to the primary coil 5, and does not need to wrap the whole parts with the insulating paper P, and uses partial wrapping, which not only saves the number of processes, but also saves The material cost of the insulating paper P is reduced, and the terminal 32 can be easily assembled by using the fastening screw 31 .

如上所述，根据本发明的用于电子烹饪炉的高压变压器，因绝缘结构得到改善，所以使绝缘更有效，同时减少了绝缘作业的工序数量，并且降低了绝缘纸的消耗量，可节省材料费。As described above, according to the high-voltage transformer for electric cooking stoves of the present invention, since the insulation structure is improved, the insulation is more effective, and at the same time, the number of steps of the insulation work is reduced, and the consumption of insulation paper is reduced, which can save materials fee.

Claims (2)

1. high-tension transformer that is used for electric cooking oven, its E font iron core contacts with I font iron core, form a plurality of chambers, primary coil, heater winding, be close to the road iron core and secondary coil inserts wherein successively, it is characterized in that, configuration insulated coil skeleton on each inwall of described E font iron core at the outside of described E font iron core and I font iron core difference fixed terminals supporting seat, connects terminals on described each terminals supporting seat.
2. high-tension transformer that is used for electric cooking oven, its E font iron core contacts with I font iron core, form a plurality of chambers, primary coil, heater winding, be close to the road iron core and secondary coil inserts wherein successively, it is characterized in that, on described each inwall of E font iron core, configuration is bent into the insulated coil skeleton of terminals fixed part, and terminals are attached on the described terminals fixed part.
CN97110893A 1996-05-14 1997-05-08 High voltage transformers for electric cooking stoves Pending CN1177192A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1019960015989A KR100187256B1 (en) 1996-05-14 1996-05-14 High voltage transformer insulator for microwave oven
KR1019960015988A KR100187255B1 (en) 1996-05-14 1996-05-14 Insulation device of high voltage generator for microwave
KR15989/96 1996-05-14
KR15988/96 1996-05-14

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CN101178972B (en) * 2006-11-10 2011-09-07 Dpc株式会社 High-voltage transformer having injection molding insulation member
CN107768113A (en) * 2017-11-24 2018-03-06 广州广日电气设备有限公司 Transformer and its production method

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Publication number Priority date Publication date Assignee Title
CN101178972B (en) * 2006-11-10 2011-09-07 Dpc株式会社 High-voltage transformer having injection molding insulation member
CN107768113A (en) * 2017-11-24 2018-03-06 广州广日电气设备有限公司 Transformer and its production method
CN107768113B (en) * 2017-11-24 2024-04-19 广州广日电气设备有限公司 Transformer and production method thereof

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