Cold-heat exchanger

Abstract

The utility model relates to a cold-heat exchanger. Each row of first heat exchange tube sets are arranged up and down, and an outlet of a first heat exchange tube located at the tail end of each row of first heat exchange tube sets is communicated with an inlet of a first heat exchange tube located at the starting end of the adjacent row of first heat exchange tube sets through a second connecting cavity, so that a first heat exchange tube array is formed. An outlet of the second heat exchange pipe at the tail end of each row of second heat exchange pipe set communicates with an inlet of the second heat exchange pipe at the starting end of the adjacent row of second heat exchange pipe set through a fourth connecting cavity to form a second heat exchange pipe array, and a cold water inlet and a cold water outlet communicate with inlets of the first heat exchange pipes at the starting end and the tail end of the first heat exchange pipe array correspondingly. And the hot water inlet and the warm water outlet are respectively communicated with the inlets of the second heat exchange tubes at the starting end and the tail end of the second heat exchange tube array. The cold-heat exchanger has the advantages that the first heat exchange tube array makes full contact with the second heat exchange tube array, the heat exchange efficiency is high, the cold-heat exchanger is long in water path and compact in structure, hot water can be completely changed into warm water, and the user experience feeling is good.

Description

Technical Field

[0001] The utility model relates to a cold and heat exchanger. Background Art

[0002] At present, the water path of the heat exchanger is relatively short, the degree of hot water cooling is low, hot water cannot be turned into warm water, and the user experience is poor. Summary of the invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a heat exchanger, in which the first heat exchange tube array is in full contact with the second heat exchange tube array, the heat exchange efficiency is high, the water path of the heat exchanger is long, the structure is compact, hot water can be completely converted into warm water, and the user experience is good.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows: it is a cold and heat exchanger, characterized in that it includes:

[0005] A heat exchange body; a first heat exchange tube array is provided in the heat exchange body, the first heat exchange tube array includes a plurality of first heat exchange tubes, a first connecting cavity and a second connecting cavity, each of the first heat exchange tubes is sequentially arranged left and right, and the outlet of the first heat exchange tube is connected with the inlet of the adjacent first heat exchange tube through the first connecting cavity to form more than one row of first heat exchange tube groups, each row of the first heat exchange tube groups is arranged up and down, and the outlet of the first heat exchange tube at the end of each row of the first heat exchange tube group is connected with the inlet of the first heat exchange tube at the beginning of the adjacent row of the first heat exchange tube group through the second connecting cavity to form the first heat exchange tube array;

[0006] a second heat exchange tube array; the second heat exchange tube array comprises a plurality of second heat exchange tubes, a third connecting cavity and a fourth connecting cavity; the outer diameter of the second heat exchange tube is smaller than the inner diameter of the first heat exchange tube, each of the second heat exchange tubes is inserted into the first heat exchange tube, the outlet of the second heat exchange tube is connected with the inlet of the adjacent second heat exchange tube through the third connecting cavity to form more than one row of second heat exchange tube groups, the outlet of the second heat exchange tube at the end of each row of the second heat exchange tube group is connected with the inlet of the second heat exchange tube at the beginning of the adjacent row of the second heat exchange tube group through the fourth connecting cavity to form a second heat exchange tube array; and

[0007] A cold water inlet, a cold water outlet, a hot water inlet and a warm water outlet; the cold water inlet is connected to the inlet of the first heat exchange tube at the beginning of the first heat exchange tube array, the cold water outlet is connected to the outlet of the first heat exchange tube at the end of the first heat exchange tube array, the hot water inlet is connected to the inlet of the second heat exchange tube at the beginning of the second heat exchange tube array, and the warm water outlet is connected to the outlet of the second heat exchange tube at the end of the second heat exchange tube array.

[0008] In the technical solution, the upper and lower parts of the heat exchanger are provided with end covers, and the third connecting chamber and the fourth connecting chamber are provided on the end covers.

[0009] Compared with the prior art, the advantages of the utility model are: the first heat exchange tube array is in full contact with the second heat exchange tube array, the heat exchange efficiency is high, the water path of the cold and hot exchanger is long, the structure is compact, the hot water can be completely converted into warm water, and the user experience is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is an exploded view of the utility model;

[0012] Figure 3 yes Figure 2 An exploded view of the upward direction;

[0013] Figure 4 It is a top view of the utility model;

[0014] Figure 5 yes Figure 4 AA section view;

[0015] Figure 6 yes Figure 4 BB cross-sectional view;

[0016] Figure 7 yes Figure 4 CC section view;

[0017] Figure 8 yes Figure 4 DD cross-sectional view;

[0018] Fig. 9 yes Figure 4 EE cross-sectional view;

[0019] Fig.10 It is a schematic diagram of the structure of the utility model after removing the end cover;

[0020] Fig.11 yes Fig.10 Schematic diagram of the structure from an upward perspective. DETAILED DESCRIPTION

[0021] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various implementation methods of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] like Figures 1 to 4 As shown, it is a cold and heat exchanger, comprising:

[0023] A heat exchange body 1; a first heat exchange tube array is provided in the heat exchange body 1, the first heat exchange tube array comprising a plurality of first heat exchange tubes 11, a first connecting cavity 111 and a second connecting cavity 112, each of the first heat exchange tubes 11 is sequentially arranged left and right, and the outlet of the first heat exchange tube 11 is connected with the inlet of the adjacent first heat exchange tube 11 through the first connecting cavity 111 to form more than one row of first heat exchange tube groups, each row of the first heat exchange tube groups is arranged up and down, and the outlet of the first heat exchange tube 11 at the end of each row of the first heat exchange tube groups is connected with the inlet of the first heat exchange tube 11 at the beginning of the adjacent row of the first heat exchange tube groups through the second connecting cavity 112 to form a first heat exchange tube array;

[0024] a second heat exchange tube array; the second heat exchange tube array comprises a plurality of second heat exchange tubes 6, a third connecting cavity 31 and a fourth connecting cavity 32; the outer diameter of the second heat exchange tube 6 is smaller than the inner diameter of the first heat exchange tube 11, each of the second heat exchange tubes 6 is inserted in the first heat exchange tube 11, the outlet of the second heat exchange tube 6 is connected with the inlet of the adjacent second heat exchange tube 6 through the third connecting cavity 31 to form more than one row of second heat exchange tube groups, the outlet of the second heat exchange tube 6 at the end of each row of the second heat exchange tube group is connected with the inlet of the second heat exchange tube 6 at the beginning of the adjacent row of the second heat exchange tube group through the fourth connecting cavity 32 to form a second heat exchange tube array; and

[0025] A cold water inlet 21, a cold water outlet 22, a hot water inlet 51 and a warm water outlet 52; the cold water inlet 21 is connected to the inlet of the first heat exchange tube 11 at the beginning of the first heat exchange tube array, the cold water outlet 22 is connected to the outlet of the first heat exchange tube 11 at the end of the first heat exchange tube array, the hot water inlet 51 is connected to the inlet of the second heat exchange tube 6 at the beginning of the second heat exchange tube array, and the warm water outlet 52 is connected to the outlet of the second heat exchange tube 6 at the end of the second heat exchange tube array.

[0026] During operation, the second heat exchange tube array is located in the first heat exchange tube array to perform heat exchange. Each second heat exchange tube 6 is located in the corresponding first heat exchange tube 11 to perform heat exchange. The heat exchange area is large, the heat exchange efficiency is high, the water path of the heat exchanger is long, the structure is compact, hot water can be completely converted into warm water, and the user experience is good.

[0027] In this embodiment, end covers 3 are provided at the upper and lower parts of the heat exchange body 1 , and the third connecting chamber 31 and the fourth connecting chamber 32 are provided on the end covers 3 .

[0028] The above is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For ordinary technicians in this field, various changes, modifications, substitutions and deformations of these embodiments without departing from the principle and purpose of the present invention still fall within the scope of protection of the present invention.

Claims

1. A heat exchanger, characterized in that include: A heat exchange body (1); a first heat exchange tube array is provided in the heat exchange body (1), the first heat exchange tube array comprising a plurality of first heat exchange tubes (11), a first connecting cavity (111) and a second connecting cavity (112), each of the first heat exchange tubes (11) being arranged in sequence on the left and right, and the outlet of the first heat exchange tube (11) being connected to the inlet of an adjacent first heat exchange tube (11) through the first connecting cavity (111), thereby forming more than one row of first heat exchange tube groups, each row of the first heat exchange tube groups being arranged up and down, and the outlet of the first heat exchange tube (11) at the end of each row of the first heat exchange tube groups being connected to the inlet of the first heat exchange tube (11) at the beginning of the adjacent row of the first heat exchange tube groups through the second connecting cavity (112), thereby forming the first heat exchange tube array; A second heat exchange tube array; the second heat exchange tube array comprises a plurality of second heat exchange tubes (6), a third connecting cavity (31) and a fourth connecting cavity (32); the outer diameter of the second heat exchange tube (6) is smaller than the inner diameter of the first heat exchange tube (11); each of the second heat exchange tubes (6) is inserted into the first heat exchange tube (11); the outlet of the second heat exchange tube (6) is connected to the inlet of an adjacent second heat exchange tube (6) through the third connecting cavity (31) to form more than one row of second heat exchange tube groups; the outlet of the second heat exchange tube (6) at the end of each row of the second heat exchange tube group is connected to the inlet of the second heat exchange tube (6) at the beginning of the adjacent row of the second heat exchange tube group through the fourth connecting cavity (32) to form a second heat exchange tube array; as well as A cold water inlet (21), a cold water outlet (22), a hot water inlet (51) and a warm water outlet (52); the cold water inlet (21) is connected to the inlet of the first heat exchange tube (11) at the beginning of the first heat exchange tube array, the cold water outlet (22) is connected to the outlet of the first heat exchange tube (11) at the end of the first heat exchange tube array, the hot water inlet (51) is connected to the inlet of the second heat exchange tube (6) at the beginning of the second heat exchange tube array, and the warm water outlet (52) is connected to the outlet of the second heat exchange tube (6) at the end of the second heat exchange tube array.

2. The heat exchanger according to claim 1, characterized in that End covers (3) are provided at the upper and lower parts of the heat exchange body (1), and the third connecting chamber (31) and the fourth connecting chamber (32) are provided on the end covers (3).

Images