CN209116847U - A kind of heat exchanger - Google Patents

Abstract

The utility model discloses a kind of heat exchanger, it include: several heat exchange fins and heat exchanger tube fitted together, it is characterized in that, the heat exchanger tube includes the cylindrical parts and bulb portion of integral structure, the cylindrical parts are used to connect inlet and outlet pipes, and the bulb portion is connect with each heat exchange fin for exchanging heat.Compared with prior art, since the centre of heat exchanger tube is flat tube, both ends are round tube, the heat exchange efficiency of bringing-up section is not only effectively provided, but also easy to connect with inlet and outlet pipes, mounting process is simple.

Description

A kind of heat exchanger

Technical field

The utility model relates to fluid heater technical field more particularly to a kind of heat exchangers.

Background technique

Existing heat exchanger portion dress, inlet and outlet pipes are all round, and heating tube is largely round tube, and small part is flat tube And elliptical tube etc., wherein round tube simple process, and heat exchange efficiency is high under the identical water flow of flat tube；And use flat tube or elliptical tube When, it is mostly to pass through water box structure to connect with inlet and outlet pipes again with the mounting means of outlet pipe, technique is more complex.

Summary of the invention

In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of and inlet and outlet pipes connection sides Just and the high heat exchanger of heat exchange efficiency.

To achieve the above objectives, the utility model adopts the following technical solution.

A kind of heat exchanger, comprising: several heat exchange fins and heat exchanger tube fitted together, which is characterized in that described to change Heat pipe includes the cylindrical parts and bulb portion of integral structure, and the cylindrical parts are used to connect inlet and outlet pipes, the flat tube portion Divide and connect with each heat exchange fin for exchanging heat.

As a further illustration of the above scheme, being equipped with through-hole corresponding with the flat tube, institute on the heat exchange fin It states and is welded and fixed between heat exchange fin and the flat tube.

As a further illustration of the above scheme, being parallel to each other between each heat exchange fin.

As a further illustration of the above scheme, the heat exchanger tube is formed by connecting by more root canals, removes and connect with inlet and outlet pipes Pipe outside all only have bulb portion；Each pipe is fastened between two end plates, is in one layer, two with water box fabric connectivity Layer or multi-tier arrangement.

As a further illustration of the above scheme, the cylindrical parts of two root canals connecting with inlet tube and outlet tube are located at together The outside of one end plate.

As a further illustration of the above scheme, the cylindrical parts of two root canals connecting with inlet tube and outlet tube distinguish position In the outside of the different end plates.

As a further illustration of the above scheme, the water supply connector and the water outlet connector pass through elastic collar and disengaging Water pipe connection.

The beneficial effects of the utility model are:

Since heat exchanger tube includes the cylindrical parts and bulb portion of integral structure, cylindrical parts are used to connect inlet and outlet pipes, Bulb portion is connect with each heat exchange fin for exchanging heat, and not only effectively provides the heat exchange efficiency of bringing-up section, Er Qieyu Inlet and outlet pipes are easy to connect, and mounting process is simple.

Detailed description of the invention

Fig. 1 show heat converter structure schematic diagram provided by the utility model.

Fig. 2 show the structural schematic diagram after heat collecting sheet in Fig. 1 is hidden.

Fig. 3 show heat exchanger the schematic diagram of the section structure.

Fig. 4 show the first heat transfer tube structure diagram.

Fig. 5 show second of heat transfer tube structure diagram.

It is heat exchanger one end structural schematic diagram described in Fig. 6.

Fig. 7 show heat exchanger other end structural schematic diagram.

Fig. 8 show heat exchanger installation structure schematic diagram provided by the utility model.

Description of symbols:

1: heat exchange fin, 2: heat exchanger tube, 3: water supply connector, 4: water outlet connector, 5: end plate, 6: elastic collar, 7: through-hole, 8: Inlet and outlet pipes.

Specific embodiment

In the description of the present invention, it should be noted that for the noun of locality, if any term " center ", " transverse direction ", " longitudinal direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position Relationship is set, narration the utility model is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning It must have a particular orientation, constructed and operated with particular orientation, should not be understood as the specific protection model for limiting the utility model It encloses.

In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include One or more this feature, in the utility model description, " at least " is meant that one or more, unless otherwise bright It is really specific to limit.

In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to machine Tool connection；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For For those of ordinary skill in the art, can understand as the case may be above-mentioned term in the present invention specifically contain Justice.

In utility model, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" can be with It is directly contacted including the first and second features, also may include that fisrt feature and second feature are not direct contacts but pass through it Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature It right above second feature and oblique upper, or is only to indicate that first feature horizontal height is higher than the height of second feature.First Feature second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only Only indicate that first feature horizontal height is lower than second feature.

Below with reference to the attached drawing of specification, specific embodiment of the present utility model is further described, makes this reality With novel technical solution and its benefits are clearer.It is exemplary for describing embodiment below with reference to attached drawing , it is intended to it explains the utility model, and should not be understood as limiting the present invention.

Embodiment one

As Figure 1-Figure 5, a kind of heat exchanger, comprising: several heat exchange fins 1 and several heat exchanger tubes fitted together 2, which is characterized in that the heat exchanger tube 2 includes two kinds, and the centre of the first is bulb portion, one end is cylindrical parts, there is two Root is separately positioned at Inlet and outlet water；Second only bulb portion, be connected between Inlet and outlet water；Two the first heat exchanger tubes 2 One end respectively constitute water supply connector 3 and water outlet connector 4, each heat exchange fin 1 is installed in parallel on the bulb portion.

Wherein, in conjunction with shown in Fig. 6, Fig. 7, the bulb portion of the first heat exchanger tube is direct by the middle part of the heat exchanger tube It is extruded from, is structure as a whole with the cylindrical parts.Each heat exchanger tube is fastened between two end plates 5, uses water box Fabric connectivity is arranged in one layer, two or more layers.In-line arrangement and fork arrangement are set in multi-tier arrangement.The water supply connector 3 and institute State the outside that water outlet connector 4 is all located at same end plate 5.In other embodiments, the water supply connector and the water outlet connector It is located at the outside of different end plates, is not limited to the present embodiment.

On the heat exchange fin 1 be equipped with through-hole 7 corresponding with the bulb portion, the heat exchange fin 1 with it is described flat It is welded and fixed between tube portion.

As shown in connection with fig. 8, due to water supply connector 3 and the water outlet connector 4 all be circular tube shaped, thus with inlet and outlet pipes 8 it Between can be connected with simple elastic collar 6.

A kind of heat exchanger provided in this embodiment, the centre of heat exchanger tube is flat tube, both ends are round tube, is not only effectively provided The heat exchange efficiency of bringing-up section, and it is easy to connect with inlet and outlet pipes, and mounting process is simple.

Embodiment two

A kind of heat exchanger provided in this embodiment, structure and embodiment one are almost the same, and difference is, the heat exchange One root canal of pipe is turned back shape in detour, and the both ends of the heat exchanger tube are round tube, and centre is flat tube.

From the foregoing description of structures and principles it should be understood by those skilled in the art that, the utility model It is not limited to above-mentioned specific embodiment, it is equal using the improvement of techniques well known and substitution on the basis of the utility model The protection scope of the utility model is fallen in, the protection scope of the utility model should be limited by each claim and its equivalent It.The part not illustrated in specific embodiment is the prior art or common knowledge.

Claims (7)

1. a kind of heat exchanger, comprising: several heat exchange fins and heat exchanger tube fitted together, which is characterized in that the heat exchange Pipe includes the cylindrical parts and bulb portion of integral structure, and the cylindrical parts are used to connect inlet and outlet pipes, the bulb portion It connect with each heat exchange fin for exchanging heat.

2. heat exchanger according to claim 1, which is characterized in that be equipped with and the flat tube pair on the heat exchange fin The through-hole answered is welded and fixed between the heat exchange fin and the flat tube.

3. heat exchanger according to claim 1, which is characterized in that be parallel to each other between each heat exchange fin.

4. heat exchanger according to claim 1, which is characterized in that the heat exchanger tube is formed by connecting by more root canals, except with All there was only bulb portion outside two root canals of inlet tube and outlet tube connection；Each pipe is fastened between two end plates, with water box knot Structure connection, in one or more layers arrangement.

5. heat exchanger according to claim 4, which is characterized in that the circle of two root canals being connect with inlet tube and outlet tube Tube portion is located at the outside of the same end plate.

6. heat exchanger according to claim 4, which is characterized in that the circle of two root canals being connect with inlet tube and outlet tube Tube portion is located at the outside of the different end plates.

7. heat exchanger according to claim 4, which is characterized in that the one of two root canals being connect with inlet tube and outlet tube End respectively constitutes water supply connector and water outlet connector, and the water supply connector and the water outlet connector pass through elastic collar and inlet and outlet pipes Connection.