CN210197714U - Heat exchanger with protective cover and water heater - Google Patents

Abstract

The utility model discloses a take heat exchanger and water heater of protection casing, establish the protection casing in the outside of at least partial heat exchanger main part including heat exchanger main part and cover. The technical scheme of the utility model heat exchanger among the prior art can be solved effectively and the problem that receives the damage easily in transportation and installation.

Description

Heat exchanger with protective cover and water heater

Technical Field

The utility model relates to a heat exchanger technical field particularly, relates to a take heat exchanger and water heater of protection casing.

Background

In the prior art, a heat exchanger in a household rapid gas water heater comprises a water tank, a heat exchange fin arranged at the top of the water tank and a heat exchange tube. The heat exchange coil is wound and fixed on the outer wall of the water tank, and the heat exchange straight pipe penetrates through the heat exchange fins at the top of the water tank. In order to improve the heat exchange efficiency, the water tank, the heat exchange fins and the heat exchange tubes are all made of copper materials with high heat conduction efficiency. However, the copper material is soft, and the heat exchanger is easily damaged in the transportation and installation process, and especially the heat exchange fins with thin thickness (generally 0.1mm to 0.3mm) are easily damaged and deformed, and once damaged, the heat exchange efficiency of the heat exchanger is seriously affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an in provide a take heat exchanger and water heater of protection casing to solve the heat exchanger among the prior art and receive the problem of damage easily in transportation and installation.

To achieve the above object, the present invention provides a heat exchanger including a heat exchanger main body and a protective cover covering at least a part of the heat exchanger main body.

Further, the heat exchanger main body comprises a box body and heat exchange fins arranged on the box body, the protective cover covers the heat exchange fins, and an exhaust part is arranged on the protective cover.

Furthermore, a containing cavity is formed in the box body, an opening is formed in the containing cavity and faces the outside of the box body, the heat exchange fins are located in the containing cavity, and the protective cover covers the opening.

Further, the protection casing includes the protection casing main part and buckles the hem of connecting on the side of protection casing main part, and the hem is laminated mutually with the lateral wall of box at least partially.

Further, the exhaust portion is located on the shield main body.

Furthermore, a connecting convex part is arranged on one side, away from the protective cover main body, of the folded edge, the connecting convex part is located in the extending surface of the folded edge, and the connecting convex part is connected with the side wall of the box body.

Further, the protection cover main body is provided with a plurality of sides which are connected in sequence, and the folded edge extends along the plurality of sides.

Further, the exhaust portion includes a plurality of exhaust holes arranged at intervals.

Further, the shield is made of a stainless steel material.

According to another aspect of the present invention, there is provided a water heater, comprising a heat exchanger, wherein the heat exchanger is the above-mentioned heat exchanger.

Use the technical scheme of the utility model, set up the protection casing that the cover was established in the outside of at least partial heat exchanger main part, can set up the position of protection casing to the heat exchanger main part like this and protect. Even if part or all of the heat exchanger main body is made of soft materials, the protective cover can be prevented from being damaged in the transportation and installation processes as long as the protective cover is covered at the position needing protection, and the normal use of the heat exchanger is ensured.

Drawings

Fig. 1 is an exploded view of a heat exchanger with a protective cover according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the heat exchanger of FIG. 1;

FIG. 3 is a schematic structural view of a shield of the heat exchanger of FIG. 1;

FIG. 4 is a schematic view of another angular configuration of the shield of FIG. 3;

FIG. 5 is an enlarged schematic view at A of the shield of FIG. 4; and

fig. 6 is a schematic structural diagram of a water heater according to an embodiment of the present invention.

Description of reference numerals:

10. a protective cover; 11. an exhaust section; 111. an exhaust hole; 12. a shield body; 13. folding edges; 14. a connecting projection; 141. a first connection hole; 20. a box body; 21. an opening; 22. a second connection hole; 30. heat exchange fins; 40. a screw; 51. a heat exchange straight pipe; 52. a heat exchange coil; 60. a fan; 70. a temperature limiter; 80. a burner; 90. a water flow sensor.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.

As shown in fig. 1 and 2, the heat exchanger with a shield according to the present embodiment includes a heat exchanger main body and a shield 10 that covers at least a part of the outside of the heat exchanger main body. The shield 10 is made of a stainless steel material.

With the heat exchanger of the present embodiment, the protective cover 10 is provided to cover at least a part of the outside of the heat exchanger main body, so that the position of the heat exchanger main body where the protective cover 10 is provided can be protected. Even if part or all of the heat exchanger main body is made of a softer material, the protective cover 10 can be prevented from being damaged in the transportation and installation process as long as the protective cover is covered at the position needing protection, and the normal use of the heat exchanger is ensured. The material of the shield cap 10 is not limited to this, and in other embodiments, the material of the shield cap may be another material such as copper, steel, or high-strength plastic.

As shown in fig. 1 and 2, in the heat exchanger of the present embodiment, the heat exchanger is a heat exchanger of a gas water heater. The heat exchanger body includes a tank 20 and heat exchange fins 30 provided on the tank 20. The protective cover 10 covers the heat exchange fins 30. The protection mask 10 has an exhaust portion 11. The heat exchange fins 30 are easily damaged and deformed during transportation and installation due to their thin thickness. Therefore, the heat exchange fins 30 are covered with the protective cover 10, and the heat exchange fins 30 are mainly protected so as not to be easily damaged. Meanwhile, the exhaust part 11 on the protective cover 10 can be used for exhausting the smoke in the box 20 when the heat exchanger works, so that the ventilation inside the heat exchanger is ensured, and the heat exchange efficiency of the heat exchanger is not influenced.

As shown in fig. 1 and 2, in the heat exchanger of the present embodiment, the top of the tank 20 has a receiving chamber having an opening 21 opened toward the outside of the tank 20. The heat exchanging fins 30 are located in the accommodating chamber. The heat exchanger further comprises a heat exchange straight pipe 51 and a heat exchange coil 52, wherein the heat exchange straight pipe 51 penetrates through the heat exchange fins 30, and the heat exchange coil 52 is wound and fixed on the outer wall of the part, below the heat exchange fins 30, of the box body 20. The protection mask 10 is covered at the opening 21. The side wall of the accommodating cavity enclosed by the box body 20 can protect the side surfaces of the heat exchange fins 30 to a certain extent, and at the moment, only the protective cover 10 is required to be covered at the opening 21, so that the structure is simple, and the assembly is convenient.

In other embodiments, the heat exchanger may be provided with the above-described protective cover at the position of the heat exchange fin as long as the heat exchanger is provided with the heat exchange fin in the case. In addition, the position of the protective cover 10 is not limited to this, and in other embodiments not shown in the figures, the protective cover may be covered on the outer side of the box body and/or the heat exchange straight pipe and/or the heat exchange coil, or even on the outer side of the whole heat exchanger body.

As shown in fig. 1 to 3, in the heat exchanger of the present embodiment, the shield 10 includes a shield main body 12 and a folded edge 13 folded and connected to a side of the shield main body 12. When the protection mask 10 is covered at the opening 21, the folded edge 13 is positioned outside the sidewall of the case 20 and integrally attached to the sidewall of the case 20. The above-mentioned folded edge 13 facilitates the positioning of the shield 10 when it is mounted and makes the shield 10 fit more closely to the case 20. The side of the fold 13 facing away from the shield body 12 has a connecting lug 14, the connecting lug 14 being located in the extension of the fold 13. When the hood 10 is covered at the opening 21, the connection protrusion 14 is connected to the sidewall of the box 20, which makes the connection of the hood 10 to the box 20 more stable. In this embodiment, the shield body 12 has a plurality of sides connected in sequence, and the folded edge 13 extends along the plurality of sides, that is, the folded edge 13 forms a circle, so that the shield 10 can be positioned more accurately when being installed, and the shield 10 can be matched with the box 20 more tightly. The number of the connecting projections 14 is four, and two connecting projections 14 are provided on two short sides of the shield main body 12, respectively. The coupling convex portion 14 has a first coupling hole 141, and the case 20 has a second coupling hole 22 at a corresponding position, and the coupling convex portion 14 is coupled to the side wall of the case 20 by a screw 40 (ST 3.9 tapping screw in the present embodiment) passing through the first coupling hole 141 and the second coupling hole 22.

It should be noted that the matching manner of the folded edge 13 and the box body 20 is not limited to this, and in other embodiments not shown in the figures, when the protective cover is disposed at the opening, the folded edge may be located inside the side wall of the box body, or only the lower part of the folded edge is attached to the side wall of the box body, and the upper part of the folded edge is higher than the edge of the opening. In addition, the structure of the folded edge 13 and the connection manner of the connection convex part 14 and the box body 20 are not limited to this, and in other embodiments not shown in the figures, the folded edge may be provided on only one side or several sides of the shield body, and does not necessarily need to be enclosed into a circle, as long as the positioning function can be achieved; the connection convex part and the box body can be also in a clamping and welding mode, including but not limited to the fixing mode.

As shown in fig. 1, 3 to 5, in the heat exchanger of the present embodiment, the exhaust portion 11 is located on the shield main body 12, the smoke in the box 20 goes upward, and it is sufficient to arrange the exhaust portion 11 on the shield main body 12 to exhaust the smoke. Meanwhile, the folded edge 13 is of a solid structure, so that the protective cover 10 is easy to process and manufacture, and the overall strength of the protective cover can be effectively ensured. In this embodiment, the exhaust portion 11 includes a plurality of exhaust holes 111 arranged at intervals, each exhaust hole 111 is circular, and the plurality of exhaust holes 111 are uniform and arranged in a matrix, so as to form a dense net shape, so that the smoke discharging effect is better, and the processing and manufacturing are easy.

It should be noted that the arrangement position of the exhaust part 11 and the specific structure of the exhaust part 11 are not limited to this, and in other embodiments not shown in the figures, if only the lower part of the folded edge is attached to the side wall of the box body, and the upper part of the folded edge is higher than the edge of the opening, the exhaust part may be arranged on the shield main body and one or more parts of the folded edge higher than the edge of the opening; the exhaust part can also be an exhaust grille, a woven net-shaped exhaust structure and the like; the shape of the vent hole can also be square hole, elliptical hole, rhombic hole and the like, including but not limited to the irregular or regular holes; the plurality of vent holes may be aligned, staggered, fixed spaced, varied spaced, and the like, including but not limited to the above arrangements.

As shown in fig. 6, the present application also provides a water heater, and an embodiment of the water heater according to the present application includes a heat exchanger, which is the heat exchanger described above. Specifically, the water heater also includes a fan 60, a burner 80, a temperature limiter 70, and a water flow sensor 90. The fan 60 is disposed above the heat exchanger and the burner 80 is disposed below the heat exchanger.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.

Claims (10)

1. A heat exchanger, characterized by comprising a heat exchanger body and a protective cover (10) covering at least part of the outside of the heat exchanger body.

2. The heat exchanger according to claim 1, wherein the heat exchanger body includes a tank (20) and heat exchange fins (30) provided on the tank (20), the protective cover (10) is covered on the heat exchange fins (30), and the protective cover (10) has a gas discharge portion (11) thereon.

3. The heat exchanger according to claim 2, characterized in that the tank (20) has a receiving cavity therein with an opening (21) opened toward the outside of the tank (20), the heat exchanging fins (30) are located in the receiving cavity, and the protective cover (10) is covered at the opening (21).

4. A heat exchanger according to claim 3, characterized in that the shield (10) comprises a shield body (12) and a flange (13) attached at a side of the shield body (12) in a bent manner, the flange (13) at least partially conforming to a side wall of the tank (20).

5. The heat exchanger according to claim 4, characterized in that the exhaust portion (11) is located on the shield body (12).

6. The heat exchanger according to claim 4, characterized in that the fold (13) has, on the side remote from the shield body (12), a coupling lug (14), the coupling lug (14) being located in the extension of the fold (13), the coupling lug (14) being coupled to a side wall of the tank (20).

7. A heat exchanger according to claim 4, wherein the shield body (12) has a plurality of sides connected in series, the folds (13) being arranged to extend along the plurality of sides.

8. The heat exchanger according to any one of claims 2 to 7, wherein the exhaust portion (11) comprises a plurality of exhaust holes (111) arranged at intervals.

9. The heat exchanger according to any one of claims 1 to 7, characterized in that the protective cover (10) is made of stainless steel material.

10. A water heater comprising a heat exchanger, characterized in that the heat exchanger is as claimed in any one of claims 1 to 9.

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