PCB structure with multiple layers of copper foil wires and electric flame stove

Abstract

The utility model discloses a PCB structure with multiple layers of copper foil wires. The PCB structure comprises a first layer of copper foil wires, a second layer of copper foil wires, a third layer of copper foil wires, a fourth layer of copper foil wires, an upper PCB and a lower PCB, the first layer of copper foil wire is laid at the upper end of the upper PCB, the second layer of copper foil wire is laid at the lower end of the upper PCB, the third layer of copper foil wire is laid at the upper end of the lower PCB, and the fourth layer of copper foil wire is laid at the lower end of the lower PCB; an insulating layer is arranged between the upper PCB and the lower PCB and separates the second layer of copper foil wires from the third layer of copper foil wires. According to the utility model, the multilayer PCB and the insulating layer are laminated, so that the circuit board is firmer and not easy to deform; the four layers of wires can be designed according to a circuit, more than two times of electronic component assemblies can be installed on a circuit board with the same area, more electrodes can be connected, and the electric flame stove is suitable for high-power electric flame stoves.

Description

Technical Field

[0001] The utility model relates to a PCB board structure, in particular to an electric flame cooker. Background Art

[0002] The voltage-doubling circuit board is an important component of the electric flame stove. It provides multiple high voltages to the electrodes through multiple groups of voltage-doubling units that are connected in parallel and electrically connected to the electrodes one by one.

[0003] In real life, kitchens often require high-power electric flame cookers as heating cookers, so more electrodes and corresponding voltage multipliers need to be installed. In the prior art, installing more voltage multipliers usually requires a PCB board with a larger area or volume. However, a large-area PCB board is more likely to deform in a humid environment in the kitchen.

[0004] The utility model is an improvement made by technicians in the field to a voltage-doubling circuit board, so that the voltage-doubling circuit board is adapted to a high-power electric flame cooker. Utility Model Content

[0005] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0006] A PCB board structure of multi-layer copper foil conductors, used for a voltage doubling circuit of an electric flame stove, characterized in that it comprises: a first layer of copper foil conductors, a second layer of copper foil conductors, a third layer of copper foil conductors, a fourth layer of copper foil conductors, an upper PCB board and a lower PCB board; the first layer of copper foil conductors is laid on the upper end of the upper PCB board, the second layer of copper foil conductors is laid on the lower end of the upper PCB board, the third layer of copper foil conductors is laid on the upper end of the lower PCB board, and the fourth layer of copper foil conductors is laid on the lower end of the lower PCB board; an insulating layer is provided between the upper PCB board and the lower PCB board, and the insulating layer separates the second layer of copper foil conductors and the third layer of copper foil conductors;

[0007] Preferably, the two PCB boards and the insulating layer are pressed together to form an integrated circuit board, and the second layer of copper foil conductors and the third layer of copper foil conductors become inner layer conductors;

[0008] Preferably, multiple groups of electronic component assemblies are installed on the upper end of the upper PCB board and the lower end of the lower PCB board;

[0009] Preferably, the circuit board is also provided with a plurality of copper-plated pinholes for connecting electrodes;

[0010] Preferably, each group of electronic component assemblies is connected in parallel with each other, and each group of electronic component assemblies is electrically connected to a corresponding copper-plated pinhole through a copper foil wire of any layer;

[0011] Preferably, each group of electronic component assemblies includes a plurality of capacitors and a plurality of diodes, and a single group of electronic component assemblies constitutes a voltage doubler rectifier unit;

[0012] In order to achieve one or part or all of the above purposes or other purposes, the utility model also provides an electric flame cooker, including a PCB board structure of a multi-layer copper foil conductor as described in any one of the above.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] 1. Through the multi-layer PCB board and insulation layer pressing, the circuit board is more solid and not easy to deform;

[0015] 2. The four-layer conductor can be designed according to the circuit. The circuit board with the same area can install more than twice the number of electronic components and connect more electrodes, which is suitable for high-power electric flame stoves.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the upper PCB board structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the lower PCB board structure of the utility model.

[0020] Figure 3 It is a schematic diagram of the internal structure in implementation mode three. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0023] In addition, in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", 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 a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal communication of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In addition, the technical features involved in the different embodiments of the present invention described later can be combined with each other as long as they do not conflict with each other.

[0025] See also Figures 1-2 In the embodiment of the utility model, a PCB board structure of a multi-layer copper foil conductor is used for a voltage doubling circuit of an electric flame stove, characterized in that it includes: a first layer of copper foil conductor 11, a second layer of copper foil conductor 12, a third layer of copper foil conductor 13, a fourth layer of copper foil conductor 14, an upper PCB board 21 and a lower PCB board 22;

[0026] In this embodiment, the first layer of copper foil conductors 11 are laid on the upper end of the upper PCB board 21, the second layer of copper foil conductors 12 are laid on the lower end of the upper PCB board 21, the third layer of copper foil conductors 13 are laid on the upper end of the lower PCB board 22, and the fourth layer of copper foil conductors 14 are laid on the lower end of the lower PCB board 22; an insulating layer 23 is provided between the upper PCB board 21 and the lower PCB board 22, and the insulating layer 23 separates the second layer of copper foil conductors 12 and the third layer of copper foil conductors 13; wherein the two The PCB boards and the insulating layer 23 are pressed together to form an integrated circuit board 1, and the second layer of copper foil conductors 12 and the third layer of copper foil conductors 13 become inner layer conductors; the second layer of copper foil conductors 12 and the third layer of copper foil conductors 13 are respectively routed on the inner layer of the circuit board 1, so that the structure of the entire circuit board 1 is more compact, so that the voltage doubler circuit board 1 can be installed with more voltage doubler rectifier units 3 to adapt to high-power electric flame stoves; the multi-layer PCB boards and the insulating layer 23 are pressed together, so that the circuit board 1 has a stronger structure and prevents the phenomenon of easy deformation during production or use.

[0027] Wherein, multiple groups of electronic component assemblies 3 are installed on the upper end of the upper PCB board 21 and the lower end of the lower PCB board 22;

[0028] The circuit board 1 is also provided with a plurality of copper-plated pinholes 4 for connecting electrodes;

[0029] Each group of electronic component assemblies 3 includes a plurality of capacitors and a plurality of diodes, and a single group of electronic component assemblies 3 constitutes a voltage doubler rectifier unit 3;

[0030] In a second embodiment, if Figure 3 As shown, each group of the electronic component assemblies 3 is connected in parallel with each other, and each group of the electronic component assemblies 3 is electrically connected to a corresponding copper-plated pinhole 4 through a copper foil wire of any layer.

[0031] Implementation method 3: Taking four groups of voltage doubling rectifier units 3 as an example, Figure 3 As shown, the first group of voltage-doubling rectifier units 3 are electrically connected to the copper pinhole 4 through the first layer of copper foil wire 11, and the other end thereof is connected to the power supply through another first layer of copper foil wire 11; the second group of voltage-doubling rectifier units 3 are electrically connected to the copper pinhole 4 through the second layer of copper foil wire 12, and the other end thereof is connected to the power supply through another second layer of copper foil wire 12; the third group of voltage-doubling rectifier units 3 are electrically connected to the copper pinhole 4 through the third layer of copper foil wire 13, and the other end thereof is connected to the power supply through another third layer of copper foil wire 13; the fourth group of voltage-doubling rectifier units 3 are electrically connected to the copper pinhole 4 through the fourth layer of copper foil wire 14, and the other end thereof is connected to the power supply through another fourth layer of copper foil wire 14. The four layers of wires are respectively routed in the inner layer and the outer layer, and the four groups of voltage-doubling rectifier units 3 are connected to the power supply. Each group of voltage-doubling rectifier units 3 is connected to the copper pinhole 4 through the copper foil wire of different layers, so that the voltage-doubling rectifier circuit board 1 of the same area can be installed with more than twice the number of voltage-doubling rectifier units 3, that is, it can connect twice the number of electrodes. Suitable for high power electric flame cookers.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A PCB board structure of multi-layer copper foil conductors, used for a voltage doubling circuit of an electric flame stove, characterized in that: include: A first layer of copper foil conductor, a second layer of copper foil conductor, a third layer of copper foil conductor, a fourth layer of copper foil conductor, an upper PCB board and a lower PCB board; The first layer of copper foil conductors is laid on the upper end of the upper PCB board, the second layer of copper foil conductors is laid on the lower end of the upper PCB board, the third layer of copper foil conductors is laid on the upper end of the lower PCB board, and the fourth layer of copper foil conductors is laid on the lower end of the lower PCB board; An insulating layer is arranged between the upper PCB board and the lower PCB board, and the insulating layer separates the second layer copper foil wire and the third layer copper foil wire.

2. The PCB board structure of the multi-layer copper foil conductor according to claim 1, characterized in that: The two PCB boards and the insulating layer are pressed together into an integrated circuit board, and the second layer of copper foil conductors and the third layer of copper foil conductors become inner layer conductors.

3. The PCB board structure of the multi-layer copper foil conductor according to claim 2, characterized in that: Multiple groups of electronic component assemblies are installed on the upper end of the upper PCB board and the lower end of the lower PCB board.

4. The PCB structure of the multi-layer copper foil conductor according to claim 3, characterized in that: The circuit board is also provided with a plurality of copper-plated pinholes for connecting electrodes.

5. The PCB board structure of the multi-layer copper foil conductor according to claim 4, characterized in that: Each group of electronic component assemblies is connected in parallel with each other, and each group of electronic component assemblies is electrically connected to a corresponding copper-plated pinhole through a copper foil conductor of any layer.

6. The PCB structure of the multi-layer copper foil conductor according to claim 5, characterized in that: Each group of electronic component assemblies includes a plurality of capacitors and a plurality of diodes, and a single group of electronic component assemblies constitutes a voltage doubling rectifier unit.

7. An electric flame cooker, characterized in that: The electric flame cooker comprises a PCB board structure of a multi-layer copper foil conductor according to any one of claims 1-6.

Images