CN-224233858-U - Dual-voltage heating structure and instant heating type heating module

CN224233858UCN 224233858 UCN224233858 UCN 224233858UCN-224233858-U

Abstract

The utility model discloses a dual-voltage heating structure and an instant heating module, which comprise a substrate and a plurality of heating resistor circuits which are sequentially arranged at intervals, wherein a first electrode, a second electrode, a third electrode and a fourth electrode are arranged on the surface of the substrate, one end of the first electrode is sequentially and electrically connected with one end of one part of the heating resistor circuits, a first connecting part is extended from the other end of the first electrode, one end of the second electrode is electrically connected with the other ends of all the heating resistor circuits which are arranged side by side, a second connecting part is extended from the other end of the second electrode, the third electrode is positioned between the first electrode and the second electrode, one end of the third electrode is electrically connected with the other ends of all the heating resistor circuits which are arranged side by side, the other end of the third electrode is extended with the third connecting part, one end of the fourth electrode is electrically connected with one end of the rest of the heating resistor circuits, the other end of the fourth electrode is electrically connected with one end of the second electrode, manufacturing cost and area are saved, and the utilization rate of the heating resistor circuits is improved.

Inventors

YAO HUIXIONG
SU GUANXIAN
ZHOU SHANZHI

Assignees

东莞佐佑电子科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250427

Claims (7)

1. The double-voltage heating structure is characterized by comprising a substrate, wherein a plurality of heating resistor circuits are arranged on the surface of the substrate, and the heating resistor circuits are sequentially arranged at intervals in parallel; One end of the first electrode is electrically connected with one end of one part of the heating resistor circuits in sequence along the arrangement direction of the heating resistor circuits, and the other end of the first electrode is extended to form a first connecting part; One end of the third electrode is electrically connected with the other ends of all the heating resistor circuits which are arranged side by side, a third connecting part extends from the other end of the third electrode, one end of the fourth electrode is electrically connected with one end of the rest heating resistor circuits, and the other end of the fourth electrode is electrically connected with one end of the second electrode.
2. A dual voltage heating structure as claimed in claim 1, wherein the third electrode is electrically connected to a central location of each of the heat generating resistive traces.
3. The dual voltage heating structure of claim 1 wherein the heat generating resistive trace is a thick film resistive layer.
4. A dual voltage heating structure as claimed in claim 1, wherein the substrate is plate-like or tubular.
5. The dual voltage heating structure of claim 1, wherein the first connection portion and the second connection portion are connected to a first voltage when the first voltage is connected, and the third connection portion is suspended; When the second voltage is connected and is smaller than the first voltage, the first connecting part and the second connecting part are short-circuited and then connected with the third connecting part.
6. A dual voltage heating structure as claimed in claim 3 wherein said heat generating resistive track is screen printed and sintered onto the substrate surface.
7. An instant heating module comprising a dual voltage heating structure according to any one of claims 1 to 6.

Description

Dual-voltage heating structure and instant heating type heating module Technical Field The utility model relates to the technical field of instant heating, in particular to a double-voltage heating structure and an instant heating module. Background In order to cope with the use situations of different voltages, the existing dual-voltage heating body structure is generally provided with two heating resistor circuits for respectively providing high-power heating effects, and the two heating resistor circuits are respectively connected with different voltages, so that the corresponding heating resistor circuit is controlled to be electrified to work according to the accessed voltage, and the other heating resistor circuit is in an idle state, thus the utilization rate of the heating resistor circuit is lower, and the occupied area of the heating resistor circuit is increased due to the structural mode of the two heating resistor circuits, so that the manufacturing cost is increased. Disclosure of Invention The utility model aims to overcome the defects, and provides a double-voltage heating structure and an instant heating module, wherein each heating resistor circuit is combined into different resistor structure modes when different voltages are applied, so that the high-power heating requirements of different voltages are met, a plurality of sections of heating bodies are not required to be arranged independently, the manufacturing cost is saved, the area is saved, and the utilization rate of the heating resistor circuit is improved. In order to achieve the above object, the present utility model is specifically as follows: The double-voltage heating structure comprises a substrate, wherein a plurality of heating resistor circuits are arranged on the surface of the substrate at intervals in sequence, and a first electrode, a second electrode, a third electrode and a fourth electrode are also arranged on the surface of the substrate; One end of the first electrode is electrically connected with one end of one part of the heating resistor circuits in sequence along the arrangement direction of the heating resistor circuits, and the other end of the first electrode is extended to form a first connecting part; One end of the third electrode is electrically connected with the other ends of all the heating resistor circuits which are arranged side by side, a third connecting part extends from the other end of the third electrode, one end of the fourth electrode is electrically connected with one end of the rest heating resistor circuits, and the other end of the fourth electrode is electrically connected with one end of the second electrode. In the utility model, the third electrode is electrically connected with the center position of each heating resistor circuit. In the utility model, the heating resistor circuit is a thick film resistor layer. The utility model further provides that the substrate is plate-shaped or tubular. In the utility model, when the first voltage is connected, the first connecting part and the second connecting part are connected with the first voltage, and the third connecting part is suspended; When the second voltage is connected and is smaller than the first voltage, the first connecting part and the second connecting part are short-circuited and then connected with the third connecting part. In the utility model, the heating resistor circuit is sintered on the surface of the substrate through screen printing. The utility model also provides an instant heating module which comprises the double-voltage heating structure. The utility model has the beneficial effects that the heating resistor circuits are arranged at intervals and are connected through the first electrode, the second electrode, the third electrode and the fourth electrode, so that when different voltages are applied, the heating resistor circuits are combined into different resistor structure modes, the high-power heating requirements of different voltages are met, a plurality of sections of heating bodies are not required to be arranged independently, the manufacturing cost is saved, the area is saved, and the utilization rate of the heating resistor circuits is improved. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; The reference numerals indicate 100, a substrate, 200, a heating resistor circuit, 300, a first electrode, 301, a first connecting part, 400, a second electrode, 401, a second connecting part, 500, a third electrode, 501, a third connecting part, 600 and a fourth electrode. Detailed Description The utility model will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the utility model. As shown in fig. 1, the dual-voltage heating structure according to the present embodiment includes a substrate 100, wherein the substrate 100 is made of a material with good heat conducting performance, such as