CN-224218538-U - Dual-voltage heating body structure, heating module and instant heating type heating equipment

Abstract

The utility model discloses a dual-voltage heating body structure, a heating module and instant heating equipment, which comprises a substrate, wherein a plurality of heating resistor circuits are arranged on the surface of the substrate, the heating resistor circuits are sequentially arranged at intervals, a first electrode, a second electrode and a third electrode are further arranged on the surface of the substrate, one end of the first electrode is electrically connected with one end of all the heating resistor circuits which are arranged side by side, a first connecting part is extended at the other end of the first electrode, one end of the second electrode is electrically connected with the other end of all the heating resistor circuits which are arranged side by side, a second connecting part is extended at 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 a plurality of the heating resistor circuits in sequence along the arrangement direction of the heating resistor circuits, and the other end of the third electrode is extended with a third connecting part.

Inventors

• YAO HUIXIONG
• SU GUANXIAN
• ZHOU SHANZHI

Assignees

• 东莞佐佑电子科技有限公司

Dates

Publication Date

20260508

Application Date

20250427

Claims (9)

1. 1. A dual-voltage heating body structure is characterized by comprising a substrate, wherein a plurality of heating resistor circuits which are sequentially arranged at intervals are arranged on the surface of the substrate, a first electrode, a second electrode and a third electrode are further arranged on the surface of the substrate, one end of the first electrode is electrically connected with one end of all the heating resistor circuits which are arranged side by side, 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 end 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, and the third electrode is positioned between the first electrode and the second electrode; One end of the third electrode is electrically connected with the heating resistor circuits in sequence along the arrangement direction of the heating resistor circuits, and a third connecting part extends from the other end of the third electrode.
2. 2. A dual voltage heating structure according to claim 1, wherein the third electrode is electrically connected to all of the heating resistor lines side by side.
3. 3. A dual voltage heating structure according to claim 1 or 2, wherein the third electrode is electrically connected to a central position of each heating resistor line.
4. 4. A dual voltage heating structure as claimed in claim 1, wherein the heating resistor circuit is a thick film resistor layer.
5. 5. A dual voltage heating structure according to claim 1, wherein the heating resistor circuit is sintered on the surface of the base body by screen printing.
6. 6. A dual voltage heating structure according to claim 1, wherein the base body has a plate shape or a tube shape.
7. 7. The structure of claim 1, wherein the first connection portion and the second connection portion are connected to the 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.
8. 8. A heating module comprising the dual-voltage heating element structure according to any one of claims 1 to 7.
9. 9. An instant heating apparatus comprising a heating module according to claim 8.

Description

Dual-voltage heating body structure, heating module and instant heating type heating equipment Technical Field The utility model relates to the technical field of instant heating, in particular to a double-voltage heating body structure, a heating module and instant heating equipment. 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 element structure, a heating module and instant heating equipment, which can share one heating element to combine different resistance structures under different voltages to provide a high-power heating effect, thereby greatly improving the utilization rate of the heating element, saving the area and saving the cost. In order to achieve the above object, the present utility model is specifically as follows: The utility model provides a dual-voltage heating body structure, which comprises a substrate, wherein a plurality of heating resistor circuits are arranged on the surface of the substrate at intervals in sequence, a first electrode, a second electrode and a third electrode are further arranged on the surface of the substrate, one end of the first electrode is electrically connected with one end of all the heating resistor circuits arranged side by side, a first connecting part is extended at the other end of the first electrode, one end of the second electrode is electrically connected with the other end of all the heating resistor circuits arranged side by side, a second connecting part is extended at 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 heating resistor circuits in sequence along the arrangement direction of the heating resistor circuits, and a third connecting part is extended at the other end of the third electrode. Optionally, the third electrode is electrically connected to all of the side-by-side heat generating resistive traces. Optionally, the third electrode is electrically connected to a central position of each heating resistor line. Optionally, the heating resistor circuit is a thick film resistor layer. Optionally, the heating resistor circuit is sintered on the surface of the substrate by screen printing. Optionally, the substrate is plate-shaped or tubular. Optionally, 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. The second aspect of the utility model provides a heating module comprising the dual-voltage heating element structure. The instant heating device according to the third aspect of the present utility model comprises a heating module as described above. The utility model has the beneficial effects that the heating resistor circuits are arranged at intervals in parallel, the first electrode is connected with one end of each heating resistor circuit, the second electrode is connected with the other end of each heating resistor circuit, and the third electrode is connected with each heating resistor circuit, so that a heating element can be shared under different voltages to provide a high-power heating effect by combining different resistor structures, the utilization rate of the heating element is greatly improved, and the area and the cost are saved. Drawings FIG. 1 is a schematic diagram of a structure according to a first embodiment of the present utility model; FIG. 2 is a schematic diagram of a second embodiment of the present utility model; The reference numerals are 1, a substrate, 2, a heating resistor circuit, 3, a first electrode, 31, a first connecting part, 4, a second electrode, 41, a second connecting part, 5, a third electrode and 51, a third connecting part. 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. The first