TWI659670B - High efficiency electric heating device - Google Patents

Abstract

The high-efficiency electric heating device of the present invention includes a body and a heating head. The heating head is connected to the body. The heating head includes an electric heating wire and a heat storage element. The electric heating wire includes a first section, a second section, and a third section. Segment, the second segment is connected to the first segment, the third segment is connected to the end of the second segment that is different from the first segment, the material of the first segment is copper, the material of the second segment is stainless steel, and the material of the third segment is Iron-chromium wire, the heat storage part is covered on the outer periphery of the third section in the radial direction. The material of the heat storage part is porcelain clay. Because the electric heating device adopts the above structure, the electric heating wire is connected by three different material wires, so that the heating head can be raised. High to very high temperature, has extremely high heating efficiency, and the electric heating device has the advantage that it is not easy to be damaged by high temperature.

Description

High efficiency electric heating device

The invention mainly discloses an electric heating device, especially a high-efficiency electric heating device.

Please refer to the Chinese Patent No. I263554, "Improved structure of the electric iron tip of the electric soldering iron", which is an improved structure of the electric iron head of the electric soldering iron, the iron head has a first end and a second end, the first end is A metal heat-conducting part, a metal wire is extended at the second end, and the heat-conducting part of the soldering iron head is electrically connected with the power supply device in the electric iron through the metal wire.

However, the electric soldering iron adopting the above structure is operated through a structure capable of generating high temperature of the heat conducting member. In order to concentrate the heat energy converted by the electric energy at the position of the heat conducting member, parts other than the heat conducting member in the circuit generally use low resistance Metal material, such as copper, but the metal wire must be directly connected to the thermally conductive member in order to produce the effect of electricity. When the thermally conductive member generates high temperature, its thermal energy will inevitably be transmitted to the metal wire, because of the low melting point of copper, The metal wire is susceptible to melting and damage due to the high temperature of the heat conducting member.

In view of the lack of the above-mentioned conventional structure, the inventor has devised a high-efficiency electric heating device which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of the high-efficiency electric heating device of the present invention is to provide an electric heating device including a body and a heating head, the heating head is connected to the body, the heating head includes an electric heating wire and a heat storage member, and the electric heating wire includes There is a first segment, a second segment, and a third segment. The second segment is connected to the first segment, the third segment is connected to an end of the second segment that is different from the first segment, and the first segment is connected to the first segment. The material of the segment is copper, the material of the second segment is stainless steel, the material of the third segment is iron-chromium wire, and the heat storage member covers the radial outer periphery of the third section. The material of the heat storage member is porcelain clay. Because the electric heating device adopts the above structure, the electric heating wire is connected by three different material wires, so that the heating head can be raised to a very high temperature, and has extremely high heating efficiency, and the electric heating device has a The advantage of high temperature and damage.

The second segment is connected to the first segment by welding, and the third segment is connected to an end of the second segment different from the first segment by welding.

The heating head includes an outer sleeve, the outer sleeve is made of a conductive material, and an end of the third section different from the second section is connected to the outer sleeve.

The third section is different from the second section, and a flat portion is provided at one end. The flat portion extends outward in the radial direction of the third section. The flat portion is adjacent to the first peripheral portion in the radial direction of the third section. One side of the second section is connected to the outer sleeve.

The flat portion is welded to an end surface of one end of the outer casing by spot welding.

The flat portion has a disc shape.

One end of the body is provided with a head end, the head end is provided with a receiving groove, a bottom electrode of the receiving groove is provided with a first electrode, the receiving groove is provided with a second electrode along a radial inner wall surface, and the heating head is provided. The power connector includes a power connector and a receiving seat. The power connector is detachably connected to the body. The power connector is provided with a first electrode at one end in the axial direction. The power connector is provided with a second electrode along a radial outer periphery. Electrode, the first electrode of the power connector communicates with the first electrode of the body, the second electrode of the power connector communicates with the second electrode of the body, a through hole is formed in the socket, and the socket The seat is sleeved on the outer peripheral edge of the outer sleeve in the radial direction through the through hole, and the receiving seat is fixedly connected to an end of the power connector different from the body.

The second electrode of the power connector is connected to the second electrode of the body in a screw lock manner.

The first segment is connected to the first electrode of the power connector and forms a circuit connection. The outer tube is different from the third segment and has a connector connected at one end. The connector is made of conductive material and the connector is different One end of the outer sleeve is connected to the second electrode of the power connector and forms a circuit connection. The two ends of the connecting member are spirally formed in a winding manner.

Other objects, advantages, and novelty of the present invention will be more apparent from the following detailed description and related drawings.

Regarding the technology, means and effects adopted by the present invention, a preferred embodiment is described in detail below with reference to the drawings. This is for illustration purposes only, and is not limited by such a structure in patent applications.

Referring to FIG. 1 and FIG. 2, it is a three-dimensional appearance view and a three-dimensional exploded view of the high-efficiency electric heating device of the present invention. The electric heating device 10 of the present invention includes a body 20 and a heating head 30;

Please continue to refer to FIG. 3 and FIG. 4, which are cross-sectional structural diagrams of the high-efficiency electric heating device and a partially enlarged cross-sectional structural diagram of the heating head of the present invention. One end of the body 20 is provided with a head end 21. The head end 21 is provided with a receiving groove 22. A bottom surface of the receiving groove 22 is provided with a first electrode 23. The receiving groove 22 is provided with an inner wall surface in a radial direction. Second electrode 24.

The heating head 30 is connected to the body 20. The heating head 30 includes an electric heating wire 31, a heat storage member 32, and an outer sleeve 33. The electric heating wire 31 includes a first section 311, a second section 312, and a The third segment 313, the second segment 312 is connected to the first segment 311, the third segment 313 is connected to an end of the second segment 312 which is different from the first segment 311, and the second segment 312 is in this embodiment The middle section is connected to the first section 311 by welding, and the third section 313 is connected to the end of the second section 312 different from the first section 311 by welding in this embodiment. The material of the first section 311 is copper, the material of the second section 312 is stainless steel, and the material of the third section 313 is iron-chrome wire. The heat storage element 32 covers the outer periphery of the third section 313 in the radial direction. The material of the heat storage element 32 is porcelain clay. The outer sleeve 33 is made of conductive material. One end of the third segment 313 which is different from the second segment 312 is connected to the outer sleeve 33, and one end of the third segment 313 which is different from the second segment 312 is provided. A flat portion 314 that extends outward in the radial direction of the third section 313 and has a disc shape, and the flat portion 314 is adjacent to one side of the second section 312 along the radial outer periphery of the third section 313 The flat tube 314 is connected to the outer casing 33, and the flat portion 314 is welded to an end surface of one end of the outer casing 33 by spot welding in this embodiment.

The heating head 30 includes a power connector 34 and a receiving seat 35. The power connector 34 is detachably connected to the body 20. A first electrode 341 is provided at one end of the power connector 34 along the axial direction. The power connector 34 A second electrode 342 is provided along the radial outer periphery. The first electrode 341 of the power connector 34 is in electrical communication with the first electrode 23 of the body 20. The second electrode 342 of the power connector 34 is in contact with the body 20. The second electrode 24 forms a circuit connection, and the second electrode 342 of the power connector 34 is connected to the second electrode 24 of the body 20 in a screw-lock manner. The first section 311 is connected to the first electrode 341 of the power connector 34 and forms a circuit connection. An end of the outer sleeve 33 different from the third section 313 is connected with a connector 331 made of a conductive material. Therefore, one end of the connecting member 331 is different from the outer tube 33 and is connected to the second electrode 342 of the power connector 34 to form a circuit connection. The two ends of the connecting member 331 are spirally formed between the two ends. The receiving seat 35 is provided with a through hole 351. The receiving seat 35 is sleeved on the outer peripheral edge of the outer sleeve 33 in the radial direction with the through hole 351. The receiving seat 35 is fixedly connected to the power connector 34. One end of the body 20.

Because the electric heating device 10 adopts the above structure, the electric heating wire 31 is formed by connecting three kinds of wires of different materials. When the heating head 30 is energized, the resistance of the first section 311 and the second section 312 is small, and the current will not pass when the current passes. Generates excess thermal energy. When current flows through the third section 313, it can be converted into thermal energy to increase the temperature. Because the third section 313 is covered with the heat storage member 32 and the heat storage member 32 is porcelain clay, The heating head 30 can be raised to a very high temperature without being damaged, and has a very high heating efficiency, and because the material of the second section 312 is stainless steel, the second section 312 is not easy because of the third section 313. The generated high temperature is fused, so that the electric heating device 10 has the advantage that it is not easily damaged by the high temperature.

From the above, it can be concluded that the present invention has the following advantages:

1. A high-efficiency electric heating device according to the present invention, wherein the electric heating device includes a body and a heating head, the heating head is connected to the body, the heating head includes an electric heating wire and a heat storage member, and the electric heating wire includes a first One segment, one second segment, and one third segment, the second segment is connected to the first segment, the third segment is connected to an end of the second segment which is different from the first segment, and the material of the first segment It is copper, the material of the second segment is stainless steel, the material of the third segment is iron-chromium wire, and the heat storage element covers the radial outer periphery of the third segment. The material of the heat storage element is porcelain clay. The electric heating device adopts the above structure. The electric heating wire is connected by three different material wires, so that the heating head can be raised to a very high temperature, has a very high heating efficiency, and the electric heating device is not easily damaged by high temperature. The advantages.

However, the above are only the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, the changes in numerical values or the replacement of equivalent elements, or the equivalent according to the scope of the patent application of the present invention Changes and modifications should still fall within the scope of the invention patent.

10‧‧‧ Electric heating device

20‧‧‧ Ontology

21‧‧‧ head

22‧‧‧ Receiving trough

23‧‧‧first electrode

24‧‧‧Second electrode

30‧‧‧Heating head

31‧‧‧ Electric Hotline

311‧‧‧ first paragraph

312‧‧‧second paragraph

313‧‧‧ third paragraph

314‧‧‧ Flat

32‧‧‧ heat storage

33‧‧‧ Outer tube

331‧‧‧Connector

34‧‧‧Power connector

341‧‧‧First electrode

342‧‧‧Second electrode

35‧‧‧Receiving seat

351‧‧‧through hole

FIG. 1 is a perspective view of a high-efficiency electric heating device according to the present invention. FIG. 2 is an exploded perspective view of a high-efficiency electric heating device according to the present invention. FIG. 3 is a sectional structural view of a high-efficiency electric heating device according to the present invention. FIG. 4 is a partially enlarged sectional structural view of a heating head portion of a high-efficiency electric heating device according to the present invention.

Claims (9)

A high-efficiency electric heating device includes: a body; a heating head connected to the body; the heating head includes an electric heating wire and a heat storage element; the electric heating wire includes a first section and a first section; Two segments and a third segment, the second segment is connected to the first segment, the third segment is connected to an end of the second segment which is different from the first segment, the material of the first segment is copper, and the first segment is The material of the second segment is stainless steel, the material of the third segment is iron-chromium wire, the heat storage member covers the outer peripheral edge of the third segment in the radial direction, and the material of the heat storage member is porcelain clay. The high-efficiency electric heating device according to claim 1, wherein the second section is connected to the first section by welding, and the third section is connected to an end of the second section different from the first section by welding. The high-efficiency electric heating device according to claim 1 or 2, wherein the heating head includes an outer sleeve, the outer sleeve is made of a conductive material, and an end of the third section different from the second section is connected to the jacket. tube. The high-efficiency electric heating device according to claim 3, wherein one end of the third segment different from the second segment is provided with a flat portion, the flat portion extending outward in a radial direction of the third segment, and the flat portion The outer peripheral edge of the third section along the radial direction is connected to the outer sleeve at a side adjacent to the second section. The high-efficiency electric heating device according to claim 4, wherein the flat portion is welded to an end surface of one end of the outer casing by spot welding. The high-efficiency electric heating device according to claim 4, wherein the flat portion has a disc shape. The high-efficiency electric heating device according to claim 4, wherein one end of the body is provided with a head end, the head end is provided with a receiving slot, and the first surface of the receiving slot is provided with a first electrode, and the receiving slot is along the radial direction. A second electrode is provided on the inner wall surface of the heating head. The heating head includes a power connector and a receiving seat, the power connector is detachably connected to the body, and a first electrode is provided at one end of the power connector along the axial direction. A second electrode is provided along the radial outer periphery of the power connector. The first electrode of the power connector is in communication with the first electrode of the body. The second electrode of the power connector is in communication with the second electrode of the body. The receiving seat is provided with a through hole, and the receiving seat is sleeved on the outer peripheral edge of the outer sleeve in the radial direction through the through hole, and the receiving seat is fixedly connected to an end of the power connector different from the body. The high-efficiency electric heating device according to claim 7, wherein the second electrode of the power connector is connected to the second electrode of the body in a screw lock manner. The high-efficiency electric heating device according to claim 7, wherein the first section is connected to the first electrode of the power connector and forms a circuit connection, and an end of the outer sleeve different from the third section is connected with a connector. The connecting member is made of a conductive material. One end of the connecting member, which is different from the outer tube, is connected to the second electrode of the power connector and forms a circuit connection. The two ends of the connecting member are spirally formed by winding.