WO2019075715A1

WO2019075715A1 - Instant heating type electric heating tube

Info

Publication number: WO2019075715A1
Application number: PCT/CN2017/107002
Authority: WO
Inventors: 李汶河
Original assignee: 中台电热（深圳）有限公司
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2019-04-25

Abstract

An instant heating type electric heating tube. The instant heating type electric heating tube comprises a first inflow water heating tube (10), a heat conducting tube (20), and a second inflow water heating tube (30) sleeved in sequence from inside to outside. A first heating cavity (40) is formed between the first inflow water heating tube (10) and the heat conducting tube (20); a second heating cavity (50) is formed between the heat conducting tube (20) and the second inflow water heating tube (30); one end of the first inflow water heating tube (10) communicates with the second heating cavity (50) through an adapter tube (110); a heating wire (60) helically wound to form a hollow cavity structure is provided in the first heating cavity (40); at least a portion of the first inflow water heating tube (10) is accommodated in the hollow cavity of the heating wire (60). The instant heating type electric heating tube has higher heating efficiency and is more convenient to use.

Description

Instant electric heating tube

Technical field

[0001] The present invention relates to the field of heater technologies, and in particular, to an instant electric heating tube.

Background technique

[0002] The main purpose of the instant metal electric heating tube is to rapidly heat the water or rapidly generate steam, that is, the heating action is required after the hot water is needed. The existing metal electric heating tube has poor heating efficiency and heat conduction efficiency, and it takes more than 50 seconds to heat the water from the normal temperature to boiling or to reduce the heating boiling time, which is difficult to apply to the water dispenser or the coffee machine, and the heating efficiency is high. Low, inconvenient to use.

technical problem

[0003] A main object of the present invention is to provide an instant electric heating tube which is intended to improve heating efficiency and is convenient to use.

Problem solution

Technical solution

[0004] In order to achieve the above object, the present invention provides an instant electric heating tube, which comprises a first inlet heating pipe, a heat pipe, and a second inlet water heating, which are sequentially arranged from the inside to the outside. a first heating chamber is formed between the first water inlet heating tube and the heat pipe, and a second heating chamber is formed between the heat pipe and the second water inlet heating tube, the first water inlet One end of the heating tube communicates with the second heating chamber through an adapter tube, and the first heating chamber is provided with a heating wire spirally wound to form a cavity structure, and the first inlet water heating tube is at least partially accommodated in the heating wire Inside the cavity.

[0005] Preferably, the instant electric heating tube further comprises two mounting tubes, wherein two ends of the first water inlet heating tube respectively protrude from the first heating chamber, and two of the first inlet water heating tubes The ends are respectively connected to both ends of the heat pipe through a mounting pipe.

[0006] Preferably, the mounting tube is at least partially received in the first heating chamber.

[0007] Preferably, the instant electric heating tube further comprises two insulating members, each of the insulating members is disposed between a mounting tube and the first water inlet heating tube.

[0008] Preferably, two ends of the heating wire are respectively connected to a mounting tube.

[0009] Preferably, the heating wire is spaced apart from the first inlet heating tube, the heating wire and the heat conduction Tube interval setting.

[0010] Preferably, the gap between the heating wire, the first inlet heating pipe and the heat pipe is filled with a heat conductive insulating structure.

[0011] Preferably, the instant electric heating tube further comprises at least one outlet pipe, and the outlet pipe is disposed at an end of the second inlet heating pipe away from the transfer pipe.

[0012] Preferably, the instant electric heating tube further includes a temperature controller, and the outer wall of the second water inlet heating tube is provided with a groove

The thermostat is at least partially disposed in the recess.

[0013] Preferably, the first water inlet heating tube is connected to the water pump at an end of the transfer tube.

Advantageous effects of the invention

Beneficial effect

[0014] The technical solution of the present invention forms a first inlet water heating pipe, a heat pipe, and a second water inlet heating pipe which are sequentially arranged from the inside to the outside, and the first inlet water heating pipe and the heat pipe are formed. a first heating chamber, a second heating chamber is formed between the heat pipe and the second water inlet heating tube, and one end of the first water inlet heating tube communicates with the second heating chamber through an adapter tube, A heating wire is spirally wound to form a heating wire of a cavity structure, and the first water inlet heating pipe is at least partially received in a cavity of the heating wire. In this way, the water can first absorb the central temperature of the heating wire through the first water inlet heating tube, perform the initial heating, and then enter the second heating chamber through the transfer tube to absorb the external temperature of the heating wire, and perform secondary heating to fully utilize the heating wire. Heat energy, improve heating efficiency.

Brief description of the drawing

DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments or the prior art description will be briefly described below, and obviously, in the following description The drawings are only some of the embodiments of the present invention, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without any creative work.

1 is a schematic cross-sectional structural view of an embodiment of a hot-type electric heating tube according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS [0017]

[] [Table 1]

[0018] The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings.

Embodiments of the invention

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of them. Example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

[0020] It should be noted that all the directional indications (such as up, down, left, right, front, back, ...) in the embodiment of the present invention are only used to explain the components in a certain posture (as shown in the drawing). The relative positional relationship, the motion situation, and the like, if the specific posture changes, the directional indication also changes accordingly.

[0021] In the present invention, the terms "connected", "fixed" and the like should be understood broadly, unless otherwise clearly defined and defined. For example, "fixed" may be a fixed connection, or may be a detachable connection, or Integral; may be mechanically connected or electrically connected; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or an interaction relationship of two elements unless explicitly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those skilled in the art on a case-by-case basis.

[0022] In addition, in the present invention, the descriptions relating to "first", "second", etc. are for describing purposes only, and are not rational. The solution is to indicate or imply its relative importance or implicitly indicate the number of technical features indicated. Thus, features defining "first" and "second" may include at least one of the features, either explicitly or implicitly. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.

[0023] The present invention provides an instant electric heating tube.

1 , in an embodiment of the invention, the instant electric heating tube includes a first inlet heating pipe 10, a heat pipe 20, and a second inlet heating pipe 30 which are sequentially disposed from the inside to the outside. a first heating chamber 40 is formed between the first water inlet heating tube 10 and the heat pipe 20, and a second heating chamber 50 is formed between the heat pipe 20 and the second water inlet tube 30. One end of the first water inlet heating tube 10 communicates with the second heating chamber 50 through the transfer tube 110, and the first heating chamber 40 is provided with a heating wire 60 spirally wound to form a cavity structure, the first water inlet The heating tube 10 is at least partially housed within the cavity of the heating wire 60.

[0025] The first water inlet heating tube 10, the second water inlet heating tube 30, the heat pipe 20, and the transfer tube 110 may all be of a metal structure, wherein the first heating chamber 40 and the second heating chamber 50 are both Sealed cavity structure. First, the external water passes through the first inlet water heating tube 10 through the cavity of the heating wire 60 for the first heating, and takes away a large amount of heat energy of the heating wire 60, thereby preventing the temperature in the cavity of the heating wire 60 from being too high, and improving the heat generation. The service life of the wire 60, that is, the service life of the instant heat pipe is increased, and then the heated water enters the second heating chamber 50 through the transfer tube 110, and continues to absorb the heat energy around the heating wire 60 for a second heating. In order to make full use of the heat energy of the heating wire 60, the heating efficiency is improved to facilitate use.

[0026] The technical solution of the present invention is a first inlet water heating pipe 10, a heat pipe 20, and a second water inlet heating pipe 30 which are sequentially disposed from the inside to the outside, the first water inlet heating pipe 10 and the heat conduction. A first heating chamber 40 is formed between the tubes 20, and a second heating chamber 50 is formed between the heat pipe 20 and the second water inlet heating tube 30. One end of the first water inlet heating tube 10 passes through the transfer tube. The second heating chamber 50 is connected to the second heating chamber 50. The first heating chamber 40 is provided with a heating wire 60 spirally wound to form a cavity structure. The first water inlet heating tube 10 is at least partially accommodated in the heating wire 60. Inside the cavity. So that the water can first absorb the central temperature of the heating wire 60 through the first water inlet heating tube 10, perform the initial heating, and then enter the second heating chamber 50 through the transfer tube 110 to absorb the external temperature of the heating wire 60, and perform secondary heating. The heat energy of the heating wire 60 is fully utilized to improve the heating efficiency.

[0027] Preferably, the instant electric heating tube further comprises two mounting tubes 70, two ends of the first water inlet heating tube 10 Extending from the first heating chamber 40, the two ends of the first water inlet heating tube 10 respectively pass through a mounting tube 7

0 is connected to both ends of the heat transfer pipe 20.

[0028] The two installation pipes 70 may be of a metal structure, and the first inlet water heating pipe 10 is not directly connected to the heat pipe 20 through the installation pipe 70, so that the first water inlet heating pipe 10 is stably installed. Preferably, the first inlet heating pipe 10 and the mounting pipe 70 are engaged by a gap, and the heat pipe 20 is welded and sealed with the mounting pipe 70.

[0029] Further, the mounting tube 70 is at least partially received in the first heating chamber 40. Thereby, the connection area between the mounting tube 70 and the first inlet heating tube 10 and the heat transfer tube 20 can be increased, and the stability of the connection between the three can be improved.

[0030] Preferably, the instant electric heating tube further comprises two insulating members 80, and each of the insulating members 80 is disposed on a mounting tube.

70 is interposed between the first inlet water heating pipe 10.

[0031] The insulating member 80 described above may be a high temperature resistant and insulating material such as ceramic fiber, and the insulating member 80 may enhance the tightness between the mounting tube 70 and the first inlet heating tube 10.

[0032] Further, two ends of the heating wire 60 are respectively connected to a mounting tube 70. In this way, the heating wire 60 can be easily connected to an external power source for heating, so that the conductive structure of the heating wire 60 is simpler and the connection is more stable.

[0033] Preferably, the heating wire 60 is spaced apart from the first inlet heating tube 10, and the heating wire 60 is spaced apart from the heat transfer tube 20. Thereby, the heating wire 60 can be protected from the water flow in the first inlet heating pipe 10 and the second heating chamber 50, and the service life of the heating wire can be enhanced.

[0034] Further, a gap between the heating wire 60, the first inlet heating pipe 10 and the heat pipe 20 is filled with a heat conductive insulating structural member 90. The above thermally conductive insulating structural member 90 may be in the form of particles to facilitate the heating of the heating wire 6

The rapid thermal conduction of 0 improves the heating efficiency of the instant electric heating tube.

[0035] Preferably, the instant electric heating tube further comprises at least one outlet pipe 100, and the outlet pipe 100 is disposed at an end of the second inlet heating pipe 30 away from the transfer pipe 110. Thereby, the heating stroke of the water flow can be prolonged, the exchange efficiency of the heat energy of the heating wire 60 can be improved, and the heating efficiency can be further improved.

[0036] Preferably, the instant electric heating tube further includes a temperature controller (not shown), and the outer wall of the second water inlet heating tube 30 is provided with a groove 31, the temperature controller (not shown) At least partially placed in the recess 31. Through the groove 3

1 can facilitate the installation of the thermostat (not shown), and the bottom wall of the recess 31 is closer to the heat pipe 20, which can improve the accuracy of temperature detection, and the temperature can be detected by a thermostat (not shown) to control the heat generation. The silk 60 is closed and closed. [0037] Preferably, the first water inlet heating pipe 10 is connected to the water pump at one end of the transfer pipe 110 (not shown).

[0038] The above-mentioned water pump (not shown) can supply a water flow rate of 0 to 500 ml/min into the first water inlet heating tube 10, preferably a water pump (not shown) normally supplies a water flow rate of 450 ml/min, when the water pump (not shown) After the start-up and power-on, the water temperature from normal temperature to boiling is about 6 seconds in total, which is more than 7 times faster than the conventional electric heating tube, which improves the heating efficiency, and the water can continue to flow. There is no stagnant water in the hot electric heating tube, which is not easy to scale and prolong the service life.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural changes made by the present invention and the contents of the drawings, or directly / Indirect use in other related technical fields is included in the scope of patent protection of the present invention.

[0040]

Claims

Claim

[Claim 1] An instant electric heating tube, comprising: a first inlet heating pipe, a heat pipe, and a second inlet water heating pipe which are sequentially disposed from the inside to the outside, wherein the first water inlet Forming a first heating chamber between the heating pipe and the heat pipe, a second heating chamber is formed between the heat pipe and the second water inlet heating pipe, and one end of the first water inlet heating pipe is connected through the transfer pipe The second heating chamber is provided with a heating wire spirally wound to form a cavity structure, and the first water inlet heating tube is at least partially accommodated in the cavity of the heating wire.

[Claim 2] The instant electric heating tube according to claim 1, wherein the instant electric heating tube further comprises two mounting tubes, and the two ends of the first water inlet heating tube respectively extend The first heating chamber has two ends connected to the two ends of the heat pipe through a mounting pipe.

[Claim 3] The instant electric heating tube according to claim 2, wherein the mounting tube is at least partially housed in the first heating chamber.

[Claim 4] The instant electric heating tube according to claim 2, wherein the instant electric heating tube further comprises two insulating members, each of the insulating members is disposed on a mounting tube and the first Inlet water between the heating tubes.

[Claim 5] The instant electric heating tube according to claim 4, wherein both ends of the heating wire are respectively connected to a mounting tube.

[Claim 6] The instant electric heating tube according to claim 5, wherein the heating wire is spaced apart from the first inlet heating pipe, and the heating wire is spaced apart from the heat pipe.

[Claim 7] The instant electric heating tube according to claim 6, wherein a gap between the heating wire, the first inlet heating pipe, and the heat pipe is filled with a heat conductive insulating structural member.

[Claim 8] The instant electric heating tube according to claim 1, wherein the instant electric heating tube further comprises at least one outlet pipe, and the outlet pipe is disposed at the second inlet heating pipe One end of the transfer tube.

[Claim 9] The instant electric heating tube according to claim 1, wherein the instant electric heating tube further comprises a temperature controller, and the outer wall of the second water inlet heating tube is provided with a groove, The thermostat is at least partially disposed in the recess. [Claim 10] The instant electric heating tube according to claim 1, wherein the first inlet heating pipe is connected to the water pump at an end away from the transfer pipe.