Voltage doubling rectifying circuit board convenient for glue filling and electric flame stove

Abstract

The utility model discloses a voltage-multiplying rectifying circuit board convenient for glue pouring and an electric flame stove, which are used for a plasma stove and comprise a PCB (Printed Circuit Board) and a plurality of groups of voltage-multiplying rectifying modules, the PCB is provided with an isolation frame, the isolation frame is provided with a plurality of isolation areas and separates and insulates the multiple groups of voltage doubling rectifying modules, and the height of the isolation frame is smaller than 0.5 mm; and a layer of insulating glue is poured on the surface of the voltage doubling rectifying module. According to the utility model, the isolation frame is arranged on the PCB to insulate and separate each group of voltage-multiplying rectification modules, so that the insulation paste is convenient to fill, the glue is prevented from overflowing, and the subsequent process of manually processing redundant insulation paste is reduced; in addition, the creepage phenomenon between the voltage doubling rectifying modules is also avoided.

Description

Technical Field

[0001] The utility model relates to a voltage - doubling rectifying circuit board, and particularly to an electric - flame stove. Background Art

[0002] An electric - flame stove usually installs multiple plasma torches, and a voltage - doubling rectifying module is electrically connected between each plasma torch and a transformer to increase the voltage by voltage - doubling and supply it to the plasma torch, so as to generate an arc effect to produce high - heat plasma for heating a pot body.

[0003] For the voltage - doubling rectifying circuit board of the prior art, insulating glue is usually poured to insulate between electronic components and prevent arcing. However, in the production process of the circuit board, the existing glue - pouring process uses machine dispensing, and the insulating glue overflows unrestrictedly, resulting in the need for manual cleaning after the insulating glue is shaped, increasing the cost; at the same time, the thickness of the insulating glue is difficult to control, and too thick insulating glue will affect the heat dissipation of electronic components. Summary of the Utility Model

[0004] The utility model aims to provide a technical solution to solve the above problems in order to overcome the above - mentioned situations.

[0005] A voltage - doubling rectifying circuit board convenient for glue - pouring, used for a plasma stove, includes: a PCB board and multiple groups of voltage - doubling rectifying modules;

[0006] The PCB board is provided with an isolation frame, the isolation frame is provided with multiple isolation areas to separate and insulate between multiple groups of the voltage - doubling rectifying modules, and the height of the isolation frame is less than 0.5 mm; a layer of insulating glue is poured on the surface of the voltage - doubling rectifying module;

[0007] Preferably, multiple groups of the voltage - doubling rectifying modules are connected in parallel;

[0008] Preferably, each group of the voltage - doubling rectifying modules is provided with a voltage - doubling power output terminal;

[0009] Preferably, the blank part of the PCB board is provided with a hollow - out;

[0010] An electric - flame stove includes any one of the above - mentioned technical solutions.

[0011] Compared with the prior art, the advantages of the utility model are: by arranging an isolation frame on the PCB board to insulate and separate each group of voltage - doubling rectifying modules, it is convenient to pour insulating glue, prevent the glue from overflowing, reduce the subsequent process of manually processing the redundant insulating glue; in addition, the creepage phenomenon between the voltage - doubling rectifying modules is also avoided.

[0012] The additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the utility model. Brief Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a schematic structural diagram of a voltage multiplier rectifier circuit board after potting.

[0015] Figure 2 It is a schematic structural diagram of a voltage multiplier rectifier circuit board before potting.

[0016] Figure 3 is Figure 2 an enlarged view of the A circle in

[0017] In the figure: 1 is a PCB board; 2 is a voltage multiplier rectifier module; 3 is an isolation frame; 4 is insulating glue; 5 is the voltage multiplier output terminal; h is the height of the isolation frame. Specific embodiments

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0020] In addition, in the description of the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In addition, the technical features involved in different embodiments of the present utility model described hereinafter can be combined with each other as long as they do not conflict with each other.

[0022] Please refer to Figures 1-2 , in an embodiment of the present utility model, a voltage multiplier rectifier circuit board facilitating glue filling, which is used for a plasma stove, includes: a PCB board 1 and multiple groups of voltage multiplier rectifier modules 2;

[0023] The PCB board 1 is provided with an isolation frame 3. The isolation frame 3 is provided with multiple isolation areas and separates and insulates between multiple groups of voltage multiplier rectifier modules 2. The height h of the isolation frame 3 is less than 0.5 mm. A layer of insulating glue 4 is poured on the surface of the voltage multiplier rectifier module 2. The insulating glue 4 is restricted in the isolation area by the isolation frame 3 to prevent the insulating glue 4 from overflowing. With the height h of the isolation frame 3, it is possible to manually judge whether the insulating glue 4 meets the thickness design standard.

[0024] In another embodiment, multiple groups of voltage multiplier rectifier modules 2 are arranged in parallel, so the voltage input to each rectifier module is equal.

[0025] In another embodiment, each group of voltage multiplier rectifier modules 2 is provided with a voltage multiplier power output terminal 5. A voltage multiplier power output terminal 5 is electrically connected to a corresponding plasma torch. The voltage multiplier rectifier module 2 generates a high voltage several times the high voltage and conducts it to the plasma torch through the voltage multiplier power output terminal 5.

[0026] In another embodiment, the blank area of the PCB board 1 is hollowed out, which is beneficial to ventilation and heat dissipation.

[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model.

Claims

1. A voltage-doubling rectifier circuit board that is easy to glue-fill, used in a plasma stove, characterized in that: include: PCB board and multiple sets of voltage doubler rectifier modules; The PCB board is provided with an isolation frame, which has multiple isolation areas and separates and insulates multiple groups of the voltage-doubling rectifier modules. The height of the isolation frame is less than 0.5 mm. A layer of insulating glue is poured on the surface of the voltage-doubling rectifier module.

2. The voltage-doubling rectifier circuit board that is easy to glue-fill according to claim 1, characterized in that: A plurality of groups of the voltage-doubling rectifier modules are arranged in parallel.

3. The voltage-doubling rectifier circuit board that is easy to glue-fill according to claim 2, characterized in that: Each group of the voltage-doubling rectifier modules is provided with a voltage-doubling output terminal.

4. The voltage-doubling rectifier circuit board that is easy to glue-fill according to claim 1, characterized in that: The blank space of the PCB board is hollowed out.

5. An electric flame cooker, characterized in that: The electric flame stove comprises a voltage-doubling rectifier circuit board that is convenient for glue filling as described in any one of claims 1 to 4.

Images