CN210345847U

CN210345847U - Heater and hanging stove

Info

Publication number: CN210345847U
Application number: CN201921350767.1U
Authority: CN
Inventors: 王明; 唐伟
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-17
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a heater and hanging stove relates to electric heater technical field, and the heater includes linear heat transfer water pipe, heat conductor and to the heating element of heat conductor heating, is equipped with straight lumen in the heat conductor, linear heat transfer water pipe cartridge in straight lumen with the heat conductor heat transfer. The heat conductor is a columnar body, the cross section of the heat conductor comprises an annular embedding ring layer embedded with a heating element, and the straight pipe cavities are arranged on the radial inner side and/or the radial outer side of the annular embedding ring layer at intervals. The utility model discloses a heater and hanging stove structure stabilize, health, water resistance is little, can prevent to block up the heat transfer water pipe because of the impurity aggregation of aquatic.

Description

Heater and hanging stove

Technical Field

The utility model relates to an electric heater technical field specifically, relates to a heater and hanging stove.

Background

The electric wall-mounted boiler mainly comprises a cast aluminum heater, a section bar heater and a heating cup pipe heater.

Cast aluminium heater wholly adopts the aluminium material to fill and forms cast aluminium heat conductor, and the heating tube setting is at the middle part of cast aluminium heat conductor, and heat transfer water pipe winding carries out the heat transfer on the heating tube, and bending of heat transfer pipeline is in the production and processing in-process and appears warping easily, and rivers in the heat transfer pipeline can appear great water resistance, aquatic impurity also assembles in the department of bending easily through the department of bending, lead to unhygienic and heat transfer pipeline to block up the scheduling problem.

The section bar heater heats the section bar through embedding PTC heating plate in the aluminium alloy, in the water route of heat conduction to circulation again, though section bar heater's heat transfer water pipe can design greatly, is difficult for blockking up, but PTC heating plate has the thermal decay, and the condition that reduces can appear in later stage heater's heating power.

The heating tube of the heating cup tube heater is directly put into water for heat exchange, although the whole structure is simple, water scale is easily accumulated on the heating tube, the heating efficiency of the heating tube is influenced, and the heating tube is not beneficial to heat dissipation and even the heating tube is damaged.

Disclosure of Invention

The utility model aims at providing a structure is firm, health, water resistance is little, can prevent to block up heater and hanging stove of heat transfer water pipe because of the impurity concentration of aquatic.

In order to achieve the above object, the utility model provides a heater, heater include linear heat transfer water pipe, heat conductor and to the heating element of heat conductor heating, are equipped with straight lumen in the heat conductor, linear heat transfer water pipe cartridge in straight lumen with the heat conductor heat transfer.

Optionally, the heating element is a heating tube embedded in the heat conductor.

Optionally, the heat conductor is a cylindrical body, the cross section of the heat conductor comprises an annular embedded ring layer embedded with the heating element, and the straight pipe cavities are arranged at intervals on the radial inner side and/or the radial outer side of the annular embedded ring layer.

In some embodiments, the heating element is formed in a cylindrical shape extending in a spiral coil in an axial direction of the heat conductor.

Further, the straight tube cavity axially penetrates the heat conductor and includes a central straight tube cavity coaxial with the heat conductor and a plurality of peripheral straight tube cavities arranged around a radial outer side of the heating element and circumferentially spaced from each other.

In some embodiments, the heater includes an inlet end cap and an outlet end cap respectively covering the two axial ends of the heat conductor, the inlet end cap is provided with an extended water inlet connector, and the outlet end cap is provided with an extended water outlet connector.

Furthermore, a liquid inlet distribution cavity and a liquid outlet converging cavity are respectively formed between the inlet end cover and the corresponding axial end of the heat conductor and between the outlet end cover and the corresponding axial end of the heat conductor.

In some embodiments, the cross-sectional area of each of the water inlet connector and the water outlet connector is less than the total cross-sectional area of the straight lumen.

Optionally, the end of the heating element protrudes from the peripheral wall of the axial end of the heat conductor.

Alternatively, the heater is a die cast heater, and the heat conductor and the heating element are integrally die cast.

Correspondingly, the utility model also provides a hanging stove, hanging stove includes foretell heater.

The utility model discloses a heat transfer water pipe of heater is linear heat transfer water pipe, and the cartridge carries out the heat transfer with the heat conductor in the straight lumen of heat conductor, and linear heat transfer water pipe is difficult for appearing the condition of warping when production man-hour to the water resistance of rivers in linear heat transfer water pipe is little, and the impurity of aquatic is difficult for assembling, can prevent from this that jam and unhygienic problem from appearing in the heat transfer water pipe.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 shows a perspective view of a heater according to an embodiment of the present invention;

FIG. 2 is a front view of the heating tube of FIG. 1;

FIG. 3 is a left side view of the heating tube of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is an assembled exploded view of the heating tube of fig. 1.

Description of the reference numerals

100 heater

1 heat conductor 11 straight pipe cavity

111 central straight tube cavity 112 peripheral straight tube cavity

2 heating element 3 inlet end cap

31 water inlet connector 4 outlet end cover

41 outlet connector 5 inlet distribution cavity

6 liquid outlet confluence cavity

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

The heater 100 according to the present invention is described below with reference to the accompanying drawings, in which the heater 100 has a stable structure, is sanitary, has a small water resistance, and can prevent the heat exchange water pipe from being clogged due to the concentration of impurities in water.

As shown in fig. 1-5, the heater 100 of the present invention includes a linear heat exchange water pipe, a heat conductor 1 and a heating element 2 for heating the heat conductor 1, wherein the heat conductor 1 is provided with a straight pipe cavity 11, and the linear heat exchange water pipe is inserted into the straight pipe cavity 11 to exchange heat with the heat conductor 1.

Traditional cast aluminium heater wholly adopts the aluminium material to fill and forms cast aluminium heat conductor, and the heating tube setting is at the middle part of cast aluminium heat conductor, and the heat transfer water pipe winding carries out the heat transfer on the heating tube, and bending of heat transfer pipeline is in the production course of working and appears warping easily, and the rivers in the heat transfer pipeline can appear great water through the department of bending and hinder, aquatic impurity also assembles in the department of bending easily, leads to unhygienic and heat transfer pipeline to block up the scheduling problem. Compare in traditional cast aluminium heater, the utility model discloses a heat transfer water pipe of heater 100 is linear heat transfer water pipe, and the cartridge carries out the heat transfer with heat conductor 1 in the straight lumen 11 of heat conductor 1, and linear heat transfer water pipe is difficult for appearing the condition of warping man-hour in production to rivers do not have the condition that the circulation cross-section diminishes in the linear heat transfer water pipe, the water resistance is little, and the difficult aggregation of impurity in aquatic can prevent from this that jam and unhygienic problem from appearing in the heat transfer water pipe.

Optionally, the heating element 2 is a heating tube embedded in the heat conductor 1. Compare in the condition that PTC heating plate can take place the power decay, the utility model discloses a heater 100 adopts traditional heating pipe for the source that generates heat, does not have the problem of power decay, and the manufacturing technology of traditional heating pipe is mature, stable in quality, be difficult to damage.

In some embodiments, the heat conductor 1 is a cylindrical body, the cross section of the heat conductor 1 comprises an annular embedded ring layer embedded with the heating element 2, and the straight pipe cavities 11 are arranged at intervals on the radial inner side and/or the radial outer side of the annular embedded ring layer. As shown in fig. 1 to 5, the heat conductor 1 is a cylindrical body, and the heat conductor 1 may have other shapes, but the present invention is not limited thereto. Straight lumen 11 and heating element 2 interval set up, compare in the heating tube of heating cup pipe heater directly put into the aquatic and carry out the heat transfer, the utility model discloses a heating element 2 of heater 100 does not directly carry out the heat transfer with water, can not appear on heating element 2 and collect the incrustation scale. In addition, in order to improve the heat exchange efficiency and speed of the heater 100, the straight tube cavities 11 need to be distributed close to the inner and outer sides of the heating element 2.

Alternatively, the heating element 2 is formed in a cylindrical shape spirally wound and extended in the axial direction of the heat conductor 1, whereby the number of the heating elements 2 to be provided can be reduced while ensuring that the heating element 2 can provide a sufficient tube heat area. Of course, the heating element 2 may also be in other arrangement forms, for example, the heating element 2 may also be a heating pipe in which a plurality of middle pipe sections are in a linear type, and the middle pipe sections of the plurality of heating pipes are arranged in parallel with the axial direction of the heat conductor 1 and arranged along the circumferential direction of the annular embedded ring layer, which is not limited to this.

Further, as shown in fig. 5, in order to increase the flow cross-sectional area of the water flow, increase the heat transfer area, further reduce the water resistance, and prevent the occurrence of filth blockage, the straight tube cavity 11 may axially penetrate the heat conductor 1 and include a central straight tube cavity 111 coaxial with the heat conductor 1 and a plurality of peripheral straight tube cavities 112, the plurality of peripheral straight tube cavities 112 being circumferentially arranged around the heating element 2 disposed radially outside and spaced from each other.

In some embodiments, the heater 100 may include an inlet end cap 3 and an outlet end cap 4 respectively fastened to two axial ends of the heat conductor 1, the inlet end cap 3 is provided with an extended water inlet connector 31, and the outlet end cap 4 is provided with an extended water outlet connector 41. The water flows into the straight pipe cavity 11 in the heater 100 from the water inlet connector 31 to be heated, and then flows out from the water outlet connector 41. As shown in fig. 1 to 5, the inlet end cap 3 and the outlet end cap 4 may be respectively installed at two axial ends of the heat conductor 1 through fasteners, and in order to improve the sealing effect and prevent water leakage, a sealing gasket may be added to the installation interface of the inlet end cap 3 and the outlet end cap 4 for sealing.

Alternatively, the inlet end cap 3 and the outlet end cap 4 may be formed with a liquid inlet distribution chamber 5 and a liquid outlet confluence chamber 6, respectively, between the respective axial ends of the heat conductor 2. When the heater 100 works, the inlet water flows into the inlet distribution cavity 5 from the inlet connector 31, is redistributed to each straight cavity 11, and finally flows into the outlet converging cavity 6 again and flows out from the outlet connector 41. Through feed liquor distribution chamber 5, can distribute into each straight lumen 11 with intaking comparatively averagely and heat, the rethread liquid converges chamber 6 and carries out the mass flow to the water in each straight lumen 11, can make the hot water temperature of outflow heater 100 more even.

Optionally, in order to make the inlet water perform sufficient contact heat exchange in the heater 100, the cross-sectional area of each of the inlet water connector 31 and the outlet water connector 41 is smaller than the total cross-sectional area of the straight pipe cavities 11, so that the water pressure of the inlet water in each of the straight pipe cavities 11 can be reduced, the flow rate of the inlet water is slowed down, the contact time between the inlet water and the heat conductor 2 is increased, and the heat exchange efficiency of the heater 100 is improved.

Further, in order to avoid interference between the end of the heating element 2 and the liquid inlet distribution cavity 5 and the liquid outlet converging cavity 6 at the two ends of the heat conductor 2, the structure of the heater 100 is simplified, and the safety and reliability of the heater 100 are improved, wherein the end of the heating element 2 extends out of the outer peripheral wall of the axial end of the heat conductor 1 to be electrified.

Further, the heater 100 may be a die-cast heater, and the heat conductor 1 and the heating element 2 are integrally die-cast. The heater 100 has a large heat exchange area, and the metal medium is used as a good heat exchange medium, so that the heat exchange speed is high and the heat exchange efficiency is high.

Correspondingly, the utility model also provides a hanging stove, hanging stove includes foretell heater 100.

To sum up, the utility model discloses a novel heat transfer water pipe of heater and hanging stove is linear heat transfer water pipe, and the cartridge carries out the heat transfer with the heat conductor in the straight lumen of heat conductor, and linear heat transfer water pipe is difficult for appearing the condition of warping man-hour in production to the water resistance of rivers in the linear heat transfer water pipe is little, and the difficult collection of impurity of aquatic can prevent from the heat transfer water pipe problem of jam and insanitation from appearing. Furthermore, the utility model discloses a heater 100 adopts traditional heating pipe for the source that generates heat, does not have the problem of power decay, and the manufacturing technology of traditional heating pipe is mature, stable in quality, be difficult to damage. In addition, the heating element 2 of the heater 100 of the present invention does not directly exchange heat with water, and the water scale will not be accumulated on the heating element 2, so that the structure is stable and reliable.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A heater is characterized by comprising a linear heat exchange water pipe, a heat conductor and a heating element for heating the heat conductor, wherein a straight pipe cavity is arranged in the heat conductor, and the linear heat exchange water pipe is inserted into the straight pipe cavity to exchange heat with the heat conductor.

2. The heater of claim 1, wherein the heating element is a heating tube embedded in the thermal conductor.

3. The heater of claim 2, wherein the heat conductor is a cylindrical body, the cross-section of the heat conductor comprises an annular embedded ring layer embedded with the heating element, and the straight tube cavities are spaced radially inward and/or radially outward of the annular embedded ring layer.

4. The heater of claim 3, wherein the heating element is formed in a cylindrical shape extending spirally wound in an axial direction of the heat conductor.

5. The heater according to claim 3 or 4, wherein said straight lumen extends axially through said heat conductor and comprises a central straight lumen coaxial with said heat conductor and a plurality of peripheral straight lumens disposed around a radially outer side of said heating element and circumferentially spaced from each other.

6. The heater of claim 5, wherein the heater comprises an inlet end cap and an outlet end cap respectively covering the two axial ends of the heat conductor, the inlet end cap is provided with an overhanging water inlet connector, and the outlet end cap is provided with an overhanging water outlet connector.

7. The heater of claim 6, wherein the inlet and outlet end caps and the respective axial ends of the thermally conductive body define a feed distribution chamber and a discharge manifold chamber therebetween.

8. The heater of claim 6, wherein the cross-sectional area of the water inlet connector or the water outlet connector is less than the total cross-sectional area of the straight tube cavity.

9. The heater of claim 4, wherein an end of the heating element extends from a peripheral wall of an axial end of the thermal conductor.

10. The heater of claim 1 wherein said heater is a die cast heater and said thermal conductor and said heating element are integrally die cast.

11. A wall hanging stove comprising a heater as claimed in any one of claims 6 to 10.