CN217403212U

CN217403212U - Heat exchanger

Info

Publication number: CN217403212U
Application number: CN202220684279.XU
Authority: CN
Inventors: 宁忠坤; 殷红; 王成; 郭全胜
Original assignee: Chengdu Shihao Electrical Appliance Co ltd
Current assignee: Chengdu Shihao Electrical Appliance Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-09-09
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to the technical field of heat exchangers, and provides a heat exchanger, which comprises a heat collector consisting of a plurality of heat collecting sheets, wherein one end of the heat collector is provided with a first water box, the other end of the heat collector is provided with a second water box, the heat collector is provided with a plurality of heating water pipes side by side, one end of each heating water pipe is connected with the first water box, the other end of each heating water pipe is connected with the second water box, the end parts of the adjacent heating water pipes are connected through U-shaped connecting pipes, domestic water pipes are arranged in the heating water pipes, the number of the domestic water pipes is one pair, the pair of domestic water pipes are arranged in the heating water pipe side by side, one ends of the pair of domestic water pipes are connected to form a domestic water channel, the outer walls of the two sides of the domestic water pipe are connected with the inner wall of the heating water pipe, a first heating water channel is arranged between the pair of domestic water pipes, and a second heating water channel is arranged between the domestic water pipes and the heating water pipes. The utility model provides high domestic water's heat transfer time has guaranteed domestic water's water temperature.

Description

Heat exchanger

Technical Field

The utility model relates to a heat exchanger field technical field particularly, relates to a heat exchanger.

Background

The heat exchanger part that current gas hanging stove used adopts the binary channels design, can be used to the hot water of concurrent heating life and heating hot water, and the mode that the heating pipe adopted is that heating hot water overlaps the hot water pipe of life in with the heating pipe, adopts the outside heating hot water of heating earlier after, through the hot water heat conduction of heat transfer mode with heating like inside life hot water. Current life hot-water line is the single tube usually, and then under the certain condition of heating tube length, rivers heat transfer time is shorter in the life hot-water line, and the rivers heating temperature is lower in the life hot-water line, is difficult to satisfy winter domestic water temperature demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat exchanger to solve the problem that proposes in the background art.

The embodiment of the utility model discloses a realize through following technical scheme: a heat exchanger comprises a heat collector consisting of a plurality of heat collecting sheets, wherein one end of the heat collector is provided with a first water box, the other end of the heat collector is provided with a second water box, the heat collector is provided with a plurality of heating water pipes side by side, one end of each heating water pipe is connected with the first water box, the other end of each heating water pipe is connected with the second water box, the end parts of the adjacent heating water pipes are connected through U-shaped connecting pipes, a domestic water pipe is arranged in each heating water pipe, the number of the domestic water pipes is one pair, the pair of domestic water pipes are arranged in the heating water pipes side by side, one ends of the pair of domestic water pipes are connected to form a domestic water channel, the outer walls of two sides of the domestic water pipes are connected with the inner walls of the heating water pipes, a first heating water channel is arranged between the pair of domestic water pipes, and a second heating water channel is arranged between the domestic water pipes.

The heating water pipe inner wall disposes four welding strips, two contact points have been met with the heating water pipe inner wall to the both sides outer wall of domestic water pipe, the welding strip one-to-one disposes in the contact point is close to one side of first heating water passageway, the welding strip fixed connection domestic water pipe with the heating water pipe.

A plurality of spoilers are arranged between the pair of domestic water pipes.

The spoiler is obliquely arranged between the pair of domestic water pipes.

The cross sections of the heating water pipe and the domestic water pipe are both elliptical.

One end of the heating water pipe is provided with a heating water inlet pipe joint, and the other end of the heating water pipe is provided with a heating water outlet pipe joint.

One of them domestic water pipe tip disposes domestic water inlet pipe joint, and another domestic water tip disposes domestic water outlet pipe joint.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

(1) the utility model arranges a pair of domestic water pipes in the heating water pipe, thereby increasing the heat exchange time of domestic water in the heating water pipe, ensuring the heating temperature of the domestic water, and ensuring the heat exchange area between the domestic water pipe and the liquid medium in the heating water pipe through the first heating water channel and the second heating water channel, thereby improving the heat exchange efficiency; during heat exchange, the heat collecting sheets absorb heat to heat the heating water pipe, and the liquid medium in the heating water pipe is heated to have higher temperature and is used for heating; meanwhile, the liquid medium exchanges heat with the domestic water pipe, so that water flow in the domestic water pipe is heated and used as domestic water, such as washing hands, showering and the like.

(2) The utility model discloses a configuration welding strip, every domestic water pipe is carried on spacingly by a pair of welding strip and is connected to be convenient for the domestic water pipe disposes inside the heating water pipe, has improved the assembly efficiency of domestic water pipe, and has improved the stability of being connected between domestic water pipe and the heating water pipe.

(3) The utility model discloses a configuration spoiler to in first heating water passageway, under the effect of spoiler, to the liquid medium vortex in the first heating water passageway, guaranteed the uniformity of liquid medium central temperature in the first heating water passageway and both sides temperature, and increased domestic water pipe and the heat transfer area of the interior liquid medium of first heating water passageway, and then improved the heat exchange efficiency of rivers in the domestic water pipe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is another cross-sectional view of the present invention;

an icon: 1-heat collecting sheet, 2-heat collector, 3-first water box, 4-second water box, 5-heating water pipe, 51-first heating water channel, 52-second heating water channel, 6-U-shaped connecting pipe, 7-domestic water pipe, 8-welding strip, 9-spoiler, 10-heating water inlet pipe joint, 11-heating water outlet pipe joint, 13-domestic water inlet pipe joint and 14-domestic water outlet pipe joint.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be broadly construed, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a heat exchanger, including a heat collector 2 composed of a plurality of heat collecting plates 1, wherein one end of the heat collector 2 is provided with a first water box 3, the other end of the heat collector 2 is provided with a second water box 4, the heat collector 2 is provided with a plurality of heating water pipes 5 side by side, one end of each heating water pipe 5 is connected with the first water box 3, the other end is connected with the second water box 4, the end portions of adjacent heating water pipes 5 are connected through a U-shaped connecting pipe 6 to form a serpentine shape, a domestic water pipe 7 is arranged in each heating water pipe 5, the number of the domestic water pipes 7 is one pair, the domestic water pipes 7 are arranged in the heating water pipes 5 side by side, as shown in fig. 3, the pair of domestic water pipes 7 are symmetrically arranged at the upper and lower sides of the heating water pipes 5, one end of the pair of the domestic water pipes 7 is connected to form a domestic water passage, the outer walls of the domestic water pipes 7 are connected with the inner walls of the heating water pipes 5, a first heating water passage 51 is provided between the pair of domestic water pipes 7, and a second heating water passage 52 is provided between the domestic water pipes 7 and the heating water pipe 5. The pair of domestic water pipes 7 are arranged in the heating water pipe 5, so that the heat exchange time of domestic water in the heating water pipe 5 is prolonged, the heating temperature of the domestic water is ensured, and in addition, the heat exchange area between the domestic water pipes 7 and a liquid medium in the heating water pipe 5 is ensured through the first heating water channel 51 and the second heating water channel 52, so that the heat exchange efficiency is improved; during heat exchange, the heat collecting sheets 1 absorb heat to heat the heating water pipe 5, and the liquid medium in the heating water pipe 5 is heated to have higher temperature and is used for heating; meanwhile, the liquid medium exchanges heat with the domestic water pipe 7, so that water flow in the domestic water pipe 7 is heated and used as domestic water, such as hand washing, shower and the like.

In this embodiment, four welding bars 8 are disposed on the inner wall of the heating water pipe 5, two contact points are connected between the outer walls of two sides of the domestic water pipe 7 and the inner wall of the heating water pipe 5, the welding bars 8 are disposed on one side of the contact points close to the first heating water channel 51 in a one-to-one correspondence manner, the four welding bars 8 are disposed in the first heating water channel 51, and the domestic water pipe 7 and the heating water pipe 5 are fixedly connected by the welding bars 8. Through configuration welding strip 8, every domestic water pipe 7 is spacing by a pair of welding strip 8 and is connected to be convenient for domestic water pipe 7 dispose inside heating water pipe 5, improved domestic water pipe 7's assembly efficiency, and improved the stability of being connected between domestic water pipe 7 and the heating water pipe 5.

Further, this embodiment, as shown in the figure, the cross section of heating water pipe 5 and domestic water pipe 7 all is oval, and oval-shaped heating water pipe 5 has limiting displacement to domestic water pipe 7, carries on spacingly to domestic water pipe 7 jointly through the arc inclined plane of heating water pipe 5 and welding strip 8, further provides convenience for domestic water pipe 7's assembly.

This embodiment is further, should be right dispose a plurality of spoilers 9 between domestic water pipe 7, through configuration spoiler 9, thereby in first heating water passageway 51, under spoiler 9's effect, to the fluid medium vortex in the first heating water passageway 51, the uniformity of fluid medium central temperature and both sides temperature in the first heating water passageway 51 has been guaranteed, and domestic water pipe 7 and the heat transfer area of fluid medium in the first heating water passageway 51 have been increased, and then the heat exchange efficiency of rivers in domestic water pipe 7 has been improved.

In this embodiment, the spoiler 9 is disposed obliquely between the pair of domestic water pipes 7.

In the embodiment, one end of the heating water pipe 5 is provided with a heating water inlet pipe joint 10, and the other end of the heating water pipe 5 is provided with a heating water outlet pipe joint 11.

In the embodiment, one end of the domestic water pipe 7 is provided with a domestic water inlet pipe joint 13, and the other end of the domestic water pipe is provided with a domestic water outlet pipe joint 14.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heat exchanger, includes the heat collector of compriseing a plurality of thermal-arrest pieces, heat collector one end disposes first water box, and the heat collector other end disposes second water box, the heat collector disposes a plurality of heating water pipes side by side, and this heating water pipe one end is connected with first water box, the other end is connected with second water box, and the tip of adjacent heating water pipe passes through U type connecting pipe and connects, dispose domestic water pipe, its characterized in that in the heating water pipe:

the heating water pipe is characterized in that the number of the domestic water pipes is one pair, the pair of the domestic water pipes are arranged in the heating water pipes side by side, one ends of the pair of the domestic water pipes are connected to form a domestic water channel, the outer walls of the two sides of the domestic water pipes are connected with the inner wall of the heating water pipe, a first heating water channel is arranged between the pair of the domestic water pipes, and a second heating water channel is arranged between the domestic water pipes and the heating water pipes.

2. The heat exchanger as claimed in claim 1, wherein four welding bars are disposed on the inner wall of the heating water pipe, two contact points are connected to the outer walls of both sides of the domestic water pipe and the inner wall of the heating water pipe, the welding bars are disposed on one side of the contact points close to the first heating water passage in a one-to-one correspondence, and the welding bars fixedly connect the domestic water pipe and the heating water pipe.

3. A heat exchanger according to claim 2, wherein a plurality of spoilers are provided between said pair of domestic water pipes.

4. A heat exchanger according to claim 3 wherein said spoiler is obliquely arranged between said pair of service water pipes.

5. A heat exchanger according to claim 2 wherein the heating water tubes and the domestic water tubes are each oval in cross-section.

6. The heat exchanger as claimed in claim 1, wherein one end of the heating water pipe is provided with a heating water inlet joint, and the other end of the heating water pipe is provided with a heating water outlet joint.

7. A heat exchanger according to claim 1, wherein one of said domestic water pipe ends is provided with a domestic water inlet pipe fitting, and the other of said domestic water pipe ends is provided with a domestic water outlet pipe fitting.