Boost module for electric flame stove and electric flame stove
Through three sets of full-wave voltage doubling circuits and rectifier circuits, it is directly connected to the three-phase power supply, which solves the problem of low load capacity of the electric flame stove, realizes voltage boosting without the need for a transformer, and reduces production costs.
Patent Information
- Application Number
- CN202422634103.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing electric flame stoves require a step-up transformer to connect to single-phase electricity, which has low load capacity and cannot be directly connected to the three-phase electricity used in commercial kitchens, resulting in high costs.
It uses three sets of full-wave voltage doubling circuits and rectifier circuits, directly connected to the three-phase power supply, and achieves voltage boost through the circuit structure composed of capacitors and diodes, eliminating the transformer and directly outputting high-voltage DC voltage.
The invention realizes voltage boosting without a transformer, reduces production cost, and is suitable for electric flame cookers with three-phase power supply.
Smart Images

Figure CN223428352U_ABST
Abstract
Description
Technical Field
[0001] The utility model specifically relates to the field of electric flame stoves. Background Art
[0002] The boost module for an electric flame stove typically connects to single-phase power, typically requiring a step-up transformer to boost the AC power before outputting it to the load using a voltage-doubling rectifier circuit. Consequently, this module has a low load capacity. Commercial kitchens, on the other hand, use three-phase power, and electric flame stoves require a high-capacity, high-voltage DC voltage. Therefore, this utility model provides technical improvements specifically for this application scenario. Utility Model Content
[0003] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.
[0004] A boost module for an electric flame stove, comprising three sets of full-wave voltage multiplier circuits and a rectifier circuit;
[0005] The three full-wave voltage multiplier circuits include capacitor group C1 / capacitor group C2 / diode group D1 / diode group D2, capacitor group C3 / capacitor group C4 / diode group D3 / diode group D4, and capacitor group C5 / capacitor group C6 / diode group D5 / diode group D6; wherein the connection point of capacitor group C1 / capacitor group C2, the connection point of capacitor group C3 / capacitor group C4, and the connection point of capacitor group C5 / capacitor group C6 are respectively connected to the A, B, and C terminals of the alternating current; the rectifier circuit includes diode groups D11, D12, D13, D14, D15, and D16;
[0006] Preferably, the connection point of the capacitor group C1 / diode group D1 is connected to the positive electrode P1 via a diode group D11, and the connection point of the capacitor group C6 / diode group D6 is connected to the negative electrode P2 via a diode group D16;
[0007] Preferably, the connection point of the diode group D1 / diode group D2, the connection point of the diode group D3 / diode group D4, and the connection point of the diode group D5 / diode group D6 are connected to each other and connected to the neutral line N end of the AC power supply;
[0008] Preferably, a diode group D13 and a diode group D15 are connected in series between the midpoint of the positive electrode P1 and the diode group D11, the connection point of the capacitor group C3 / diode group D3, and the capacitor group C5 / diode group C5, respectively;
[0009] Preferably, a diode group D12 and a diode group D14 are connected in series between the midpoint of the negative electrode P2 and the diode group D16 and the connection point of the capacitor group C2 / diode group D2 and the capacitor group C4 / diode group C4 respectively;
[0010] Preferably, the capacitor group C1 / C2 / C3 / C4 / C5 / C6 is composed of a plurality of capacitors in series, and the diode group D1 / D2 / D3 / D4 / D5 / D6 / D11 / D12 / D13 / D14 / D15 / D16 is composed of a plurality of diodes in series.
[0011] The utility model discloses still propose a kind of electric flame stove, the electric flame stove includes the boost module of any one of the above electric flame stove.
[0012] Compared with prior art, the utility model has the advantages that: the utility model can be directly connected to three-phase power supply, and can realize voltage boosting without transformer, saving a lot of production cost.
[0013] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0015] Figure 1 It is the circuit schematic diagram of the utility model. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.
[0017] In the description of the utility model, it needs to be explained that, the orientation or position relationship indicated by terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model.
[0018] Furthermore, in the description of this utility model, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; internal connections between two components; wireless connections or wired connections. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0019] 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.
[0020] See also Figure 1 In an embodiment of the present invention, a boost module for an electric flame stove is used for an electric flame stove and includes three sets of full-wave voltage multiplier circuits and a rectifier circuit.
[0021] The three full-wave voltage multiplier circuits include capacitor group C1 / capacitor group C2 / diode group D1 / diode group D2, capacitor group C3 / capacitor group C4 / diode group D3 / diode group D4, capacitor group C5 / capacitor group C6 / diode group D5 / diode group D6; wherein the connection point of capacitor group C1 / capacitor group C2, the connection point of capacitor group C3 / capacitor group C4, and the connection point of capacitor group C5 / capacitor group C6 are connected to the A, B, and C terminals of the alternating current respectively; in the embodiment of the present utility model, as Figure 1 As shown, when the circuit is running, the maximum value of the capacitor group C1 / C2 / C3 / C4 / C5 / C6 is half of the peak value of the AC power supply voltage, and "boost" is achieved after the power supply voltage is superimposed.
[0022] The rectifier circuit includes a diode group D11, D12, D13, D14, D15, and D16, which rectifies the full-wave voltage doubler circuit to ensure smooth ripples.
[0023] The connection point of the capacitor group C1 / diode group D1 is connected to the positive electrode P1 via the diode group D11, and the connection point of the capacitor group C6 / diode group D6 is connected to the negative electrode P2 via the diode group D16.
[0024] A connection point of the diode group D1 / the diode group D2 , a connection point of the diode group D3 / the diode group D4 , and a connection point of the diode group D5 / the diode group D6 are connected to one another and to the neutral line N end of the AC power supply.
[0025] A diode group D13 and a diode group D15 are connected in series between the midpoint between the positive electrode P1 and the diode group D11, the connection point between the capacitor group C3 / the diode group D3, and the capacitor group C5 / the diode group C5, respectively.
[0026] A diode group D12 and a diode group D14 are connected in series between the midpoint between the negative electrode P2 and the diode group D16, the connection point between the capacitor group C2 / the diode group D2, and the capacitor group C4 / the diode group C4, respectively.
[0027] It will be apparent 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 essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.
Claims
1. A boost module for an electric flame stove, used for an electric flame stove, characterized in that: It includes three sets of full-wave voltage multiplier circuits and rectifier circuits; Three full-wave voltage multiplier circuits include capacitor group C1 / capacitor group C2 / diode group D1 / diode group D2, capacitor group C3 / capacitor group C4 / diode group D3 / diode group D4, and capacitor group C5 / capacitor group C6 / diode group D5 / diode group D6; The connection point of capacitor group C1 / capacitor group C2, the connection point of capacitor group C3 / capacitor group C4, and the connection point of capacitor group C5 / capacitor group C6 are connected to the A, B, and C terminals of the AC power supply respectively; The rectifier circuit includes a diode group D11, D12, D13, D14, D15, and D16.
2. The boost module for the electric flame cooker according to claim 1, characterized in that: The connection point of the capacitor group C1 / diode group D1 is connected to the positive electrode P1 via the diode group D11, and the connection point of the capacitor group C6 / diode group D6 is connected to the negative electrode P2 via the diode group D16.
3. The boost module for the electric flame cooker according to claim 2, characterized in that: A connection point of the diode group D1 / diode group D2 , a connection point of the diode group D3 / diode group D4 , and a connection point of the diode group D5 / diode group D6 are connected to each other and to a neutral line N end of an AC power source.
4. The boost module for the electric flame cooker according to claim 3, characterized in that: A diode group D13 and a diode group D15 are connected in series between the midpoint of the positive electrode P1 and the diode group D11, the connection point of the capacitor group C3 / the diode group D3, and the capacitor group C5 / the diode group C5, respectively.
5. The boost module for the electric flame cooker according to claim 4, characterized in that: A diode group D12 and a diode group D14 are connected in series between the midpoint of the negative electrode P2 and the diode group D16, the connection point of the capacitor group C2 / the diode group D2, and the capacitor group C4 / the diode group C4, respectively.
6. The boost module for the electric flame cooker according to claim 5, characterized in that: The capacitor groups C1 / C2 / C3 / C4 / C5 / C6 are each composed of a plurality of capacitors connected in series, and the diode groups D1 / D2 / D3 / D4 / D5 / D6 / D11 / D12 / D13 / D14 / D15 / D16 are each composed of a plurality of diodes connected in series.
7. An electric flame cooker, characterized in that: The electric flame stove comprises the boost module for the electric flame stove according to any one of claims 1-6.