CN210568645U

CN210568645U - Arc-drawing-proof electric flame stove

Info

Publication number: CN210568645U
Application number: CN201921202043.2U
Authority: CN
Inventors: 卢驭龙
Original assignee: Shenzhen Yulong Electric Flame Technology Co Ltd
Current assignee: Electric fire technology (Suzhou) Co.,Ltd.
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-19
Anticipated expiration: 2029-07-26
Also published as: WO2021017866A1

Abstract

The utility model discloses an arc-drawing-proof electric flame stove, which comprises a case, a PCBA component arranged in the case, a transformer arranged in the case and electrically connected with the PCBA component, and a furnace end arranged on the case and electrically connected with the transformer; the case is an insulating case body; an insulating partition plate is arranged between the transformer and the PCBA component. The case is selected as an insulating case body, so that high-voltage arc discharge between a high-voltage area formed by high voltage generated by the transformer and the inner wall of the case can be avoided, and high-voltage arc discharge between the high-voltage area at the joint of the transformer and the furnace end and the inner wall of the case can also be avoided. Simultaneously, be provided with insulating barrier between transformer and PCBA subassembly, consequently can not produce the high pressure between the high pressure region that the high pressure that the transformer produced formed and the PCBA subassembly and draw the arc, and then effectively avoided the quick-witted incasement of electric flame kitchen to produce the phenomenon that the high pressure draws the arc, promoted the security that the electric flame kitchen used.

Description

Arc-drawing-proof electric flame stove

Technical Field

The utility model relates to an electrical heating equipment field especially relates to a prevent arc-discharge flame kitchen.

Background

The electric flame kitchen principle is produced the electric flame by the high pressure and is worked, specifically for providing the high pressure and then produce the electric flame in ionic head department for the ionic head through the transformer, the inventor finds that, when the electric flame kitchen is using, quick-witted incasement portion produces high pressure arc (in electric, when the voltage breakdown air bed formation electric arc between two conductors, the air produces a large amount of electrons promptly after electric arc forms, electric conductive property improves rapidly, even the distance between two conductors continues to increase still can not make electric arc extinguish, this phenomenon is the arc that draws).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent arc-drawing electric flame kitchen aims at solving prior art, and the quick-witted incasement of electric flame kitchen produces the problem that the high pressure was drawn the arc easily.

To achieve the purpose, the utility model adopts the following technical proposal:

the arc-drawing-proof electric flame stove comprises a case, a Printed Circuit Board (PCBA + Assembly) component arranged in the case, a transformer arranged in the case and electrically connected with the PCBA component, and a furnace end arranged on the case and electrically connected with the transformer; the case is an insulating case body; an insulating partition plate is arranged between the transformer and the PCBA component.

Furthermore, the case comprises a bottom case shell and a case face shell detachably connected with the bottom case shell, the bottom case shell and the case face shell are enclosed to form an accommodating cavity, and the PCBA assembly and the transformer are arranged in the accommodating cavity.

Further, the PCBA component and the transformer are fixedly connected with the box panel shell.

Further, a gap is formed between the PCBA assembly and the transformer and the bottom of the box bottom shell.

Further, the insulating partition is formed by extending the box surface shell towards the direction close to the bottom of the box bottom shell.

Further, the bottom case is clamped with the case face case; the box is characterized in that a clamping protrusion is arranged on the box face shell, and a clamping groove adaptive to the clamping protrusion is formed in the box bottom shell.

Furthermore, a first connecting column is arranged on the box surface shell, and a first connecting block is arranged on the transformer; the first connecting column is provided with a first threaded hole, and the first connecting block is provided with a first through hole; and a first screw is arranged between the first connecting block and the first connecting column, and the first screw penetrates through the first through hole and is in threaded connection with the first threaded hole.

Furthermore, a second connecting column is arranged on the box surface shell, and a second connecting block is arranged on the PCBA component; the second connecting column is provided with a second threaded hole, and the second connecting block is provided with a second through hole; and a second screw is arranged between the second connecting block and the second connecting column, and the second screw penetrates through the second through hole and is in threaded connection with the second threaded hole.

Further, the insulating partition plate is a plastic plate.

Furthermore, the case is a plastic case.

The utility model has the advantages that: the case is selected as an insulating case body, so that high-voltage arc discharge between a high-voltage area formed by high voltage generated by the transformer and the inner wall of the case can be avoided, and high-voltage arc discharge between the high-voltage area at the joint of the transformer and the furnace end and the inner wall of the case can also be avoided. Simultaneously, be provided with insulating barrier between transformer and PCBA subassembly, consequently can not produce the high pressure between the high pressure region that the high pressure that the transformer produced formed and the PCBA subassembly and draw the arc, and then effectively avoided the quick-witted incasement of electric flame kitchen to produce the phenomenon that the high pressure draws the arc, promoted the security that the electric flame kitchen used.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of an arc-discharge prevention electric flame stove according to an embodiment of the present invention;

3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 31 3; 3

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

in the figure:

1. a chassis; 11. a case bottom case; 12. a case panel shell; 121. an insulating spacer; 122. a first connecting column; 123. a second connecting column; 13. an accommodating cavity;

2. a PCBA component; 21. a second connecting block;

3. a transformer; 31. a first connection block; 4. a furnace end.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

As shown in fig. 1-3, an embodiment of the present invention provides an arc-pulling-proof electric flame stove, which includes a case 1, a PCBA (Printed Circuit Board + Assembly) component disposed in the case 1, a transformer 3 disposed in the case 1 and electrically connected to the PCBA component 2, and a burner 4 mounted on the case 1 and electrically connected to the transformer 3; the case 1 is an insulating case body; an insulating partition plate 121 is arranged between the transformer 3 and the PCBA component 2.

The utility model discloses an in the embodiment, select machine case 1 to be insulating box, can avoid producing between the high-pressure region that the high pressure that transformer 3 produced formed and machine case 1 inner wall high pressure to draw the arc, also can avoid producing between the high-pressure region of transformer 3 and furnace end 4 junction and machine case 1 inner wall high pressure to draw the arc. Meanwhile, an insulating partition plate 121 is arranged between the transformer 3 and the PCBA component 2, so that high-pressure arc discharge cannot be generated between a high-pressure area formed by high pressure generated by the transformer 3 and the PCBA component 2, the phenomenon of high-pressure arc discharge generated in the case 1 of the electric flame stove is effectively avoided, and the use safety of the electric flame stove is improved.

Further, please refer to fig. 2, as another specific implementation manner of the arc-striking-proof electric flame stove provided by the present invention, the case 1 includes a case bottom shell 11 and a case surface shell 12 detachably connected to the case bottom shell 11, the case bottom shell 11 and the case surface shell 12 enclose to form a containing cavity 13, and the PCBA assembly 2 and the transformer 3 are both disposed in the containing cavity 13. The case 1 comprises a case bottom shell 11 and a case face shell 12 which are detachably connected, so that the components such as the PCBA assembly 2, the transformer 3 and the like in the accommodating cavity 13 can be conveniently disassembled and assembled, replaced and maintained.

Further, please refer to fig. 2, as another specific implementation manner of the arc-striking-proof electric flame stove provided by the present invention, the PCBA assembly 2 and the transformer 3 are both fixedly connected to the case panel 12. Also in the assembling process of electric flame kitchen, can be with PCBA subassembly 2 and transformer 3 earlier with case face 12 fixed connection after with PCBA subassembly 2, transformer 3 and case face 12 wholly with the bottom of the case shell 11 be connected, and then accomplish the equipment of electric flame kitchen, for installing the operation in bottom of the case shell 11, can effectively reduce the degree of difficulty of installation, promote machining efficiency.

Further, please refer to fig. 2, as another specific embodiment of the arc-striking prevention electric flame stove provided by the present invention, gaps are formed between the PCBA assembly 2 and the transformer 3 and the bottom of the case bottom shell 11. That is to say that PCBA subassembly 2 and transformer 3 are "unsettled" state, and when the outside of electric flame kitchen splashed water to quick-witted case 1 inside by accident, PCBA subassembly 2 and transformer 3 can not contact with water, guarantee the security of electric flame kitchen in the use.

Further, referring to fig. 2, as another embodiment of the arc-striking prevention electric flame stove of the present invention, an insulating partition plate 121 is formed by extending the case surface shell 12 toward a direction close to the bottom of the case bottom shell 11. That is, the insulating partition 121 and the box panel 12 are an integral piece, and there is no gap formed by connection between the insulating partition and the box panel 12, so as to further ensure that no high-voltage arcing occurs between a high-voltage area formed by high voltage generated by the transformer 3 and the PCBA assembly 2.

Further, referring to fig. 2, as another specific embodiment of the arc-striking-proof electric flame stove provided by the present invention, a bottom case 11 is clamped with a case surface case 12; the box face shell 12 is provided with a clamping protrusion, and the box bottom shell 11 is provided with a clamping groove adaptive to the clamping protrusion. Case drain pan 11 and case face-piece 12 looks joint can realize quick dismouting, be convenient for equipment and maintenance. Of course, in other embodiments, the bottom case 11 and the top case 12 may also be detachably connected by screws, and the like, which is not limited herein. Correspondingly, a sealing ring can be arranged between the box bottom shell 11 and the box surface shell 12 to prevent water from entering the machine box 1 from the surface of the machine box 1, so that the use safety of the electric flame stove is further ensured.

Further, referring to fig. 2 and 3, as another embodiment of the arc-strike-proof electric flame stove provided by the present invention, a first connecting column 122 is disposed on the case panel 12, and a first connecting block 31 is disposed on the transformer 3; the first connecting column 122 is provided with a first threaded hole, and the first connecting block 31 is provided with a first through hole; a first screw is arranged between the first connecting block 31 and the first connecting column 122, and the first screw penetrates through the first through hole and is in threaded connection with the first threaded hole.

Further, referring to fig. 2 and 3, as another embodiment of the arc-strike-proof electric flame stove provided by the present invention, a second connecting column 123 is disposed on the case panel 12, and a second connecting block 21 is disposed on the PCBA assembly 2; the second connecting column 123 is provided with a second threaded hole, and the second connecting block 21 is provided with a second through hole; a second screw is arranged between the second connecting block 21 and the second connecting column 123, and the second screw penetrates through the second through hole and is in threaded connection with the second threaded hole.

Further, referring to fig. 2 and 3, as another embodiment of the arc-striking prevention electric flame cooker of the present invention, the insulating partition plate 121 is a plastic plate. And may be a high temperature resistant plastic panel.

Further, referring to fig. 2 and 3, as another embodiment of the arc-striking resistant electric flame stove of the present invention, the case 1 is a plastic case. And can be a high temperature resistant plastic box.

It is to be understood that aspects of the present invention may be practiced otherwise than as specifically described.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The arc-discharge-preventing electric flame stove is characterized by comprising a case, a PCBA assembly arranged in the case, a transformer arranged in the case and electrically connected with the PCBA assembly, and a furnace end arranged on the case and electrically connected with the transformer; the case is an insulating case body; an insulating partition plate is arranged between the transformer and the PCBA component.

2. The arc-striking-prevention electric flame stove according to claim 1, wherein the case comprises a bottom case shell and a top case shell detachably connected with the bottom case shell, the bottom case shell and the top case shell enclose to form an accommodating cavity, and the PCBA assembly and the transformer are arranged in the accommodating cavity.

3. The arcing flame resistant range as recited in claim 2, wherein the PCBA assembly and the transformer are both fixedly connected to the case facepiece.

4. The arcing flame resistant range as recited in claim 3, wherein a gap is formed between the PCBA assembly and the transformer and a bottom of the bottom case.

5. The arcing flame proof range as claimed in claim 3, wherein the insulating partition is formed by the case panel extending toward a direction close to the bottom of the case bottom.

6. The arcing flame proof stove of claim 2, wherein the bottom case is clamped to the top case; the box is characterized in that a clamping protrusion is arranged on the box face shell, and a clamping groove adaptive to the clamping protrusion is formed in the box bottom shell.

7. The arcing preventing electric flame stove according to any one of claims 2 to 6, wherein a first connecting column is provided on the case face shell, and a first connecting block is provided on the transformer; the first connecting column is provided with a first threaded hole, and the first connecting block is provided with a first through hole; and a first screw is arranged between the first connecting block and the first connecting column, and the first screw penetrates through the first through hole and is in threaded connection with the first threaded hole.

8. The arcing preventing electric flame stove according to any one of claims 2 to 6, wherein a second connecting column is provided on the case panel shell, and a second connecting block is provided on the PCBA assembly; the second connecting column is provided with a second threaded hole, and the second connecting block is provided with a second through hole; and a second screw is arranged between the second connecting block and the second connecting column, and the second screw penetrates through the second through hole and is in threaded connection with the second threaded hole.

9. The arcing proof electric flame cooker according to any one of claims 1 to 6, wherein the insulating partition is a plastic plate.

10. The arcing proof range as claimed in any one of claims 1 to 6, wherein the cabinet is a plastic case.