Box fin condenser

Abstract

The application relates to a box type fin condenser, which comprises a fin condenser, the fin condenser comprises a closed box body, each side plate of the box body is a whole heat dissipation fin plate, a refrigerant inlet is arranged at the upper end of the box body, and a refrigerant outlet is arranged at the lower end of the box body; the box body is a rectangular box body, the refrigerant inlet and the refrigerant outlet are diagonally arranged, neither the refrigerant inlet nor the refrigerant outlet is arranged on the two side plates with the largest area of the box body, and the two side plates with the largest area of the box body are flat plates or corrugated plates; compared with an existing fin condenser with the same specification, the overall heat exchange area of the box type fin condenser changes little, the structure of the fin condenser is simplified under the premise of ensuring the heat exchange efficiency, production and processing are facilitated, production man-hours are reduced, production costs are reduced, the number of parts is reduced, the number of processing equipment is reduced, and the production land occupation area is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to air conditioning heat exchange technology field, specifically relates to a box type fin condenser. BACKGROUND

[0002] In daily life, air conditioners are used in various places, and in air conditioning units, especially household air conditioners, finned heat exchangers are an important component. Finned heat exchangers can be used as evaporators and condensers. The conventional finned condenser is mainly composed of fins and base pipes, the base pipes are inserted into the stacked fins, the stacked fins are in contact with air, and the base pipes are in contact with the fins. When the refrigerant passes through the base pipe, the refrigerant exchanges heat with the fins through the base pipe, and then acts on the air.

[0003] The fin structure of the existing finned condenser is a single fin stacked into a piece, which needs to be punched and cut to stack the single fins together, then the base pipe is inserted, and then the other side of the base pipe is welded with an elbow; the existing finned condenser structure is complex, difficult to process, requires more equipment, and requires more workers and processes, and relatively, the production efficiency is not high, the production cost is high, and the factory occupies a large area. SUMMARY

[0004] The purpose of the present application is to solve the above problems, and provide a box type fin condenser.

[0005] One of the technical solutions adopted by the present application to solve the technical problems is to provide a box type fin condenser, which comprises a finned condenser, the finned condenser comprises a closed box body, each side plate of the box body is a whole piece of heat dissipation fin plate, the box body is provided with a refrigerant inlet at the upper end, and the box body is provided with a refrigerant outlet at the lower end.

[0006] Further, the box body is a hexahedron.

[0007] Further, the box body comprises a frame and six side plates mounted on the outer side of the frame, and the adjacent side plates are sealingly welded at the joint.

[0008] Further, the box body is a rectangular box body, the refrigerant inlet and the refrigerant outlet are diagonally arranged, the refrigerant inlet and the refrigerant outlet are not arranged on the two side plates with the largest area of the box body, and the two side plates with the largest area of the box body are flat plates or corrugated plates.

[0009] Further, the refrigerant inlet and the refrigerant outlet are respectively provided with an inlet pipe and an outlet pipe.

[0010] Further, a plurality of heat exchange guide plates are mounted in the box body, the plurality of heat exchange guide plates divide the inside of the box body into heat exchange channels, and the heat exchange channels are in communication with the refrigerant inlet and the refrigerant outlet.

[0011] Further, the heat exchange guide plate comprises left partition plates and right partition plates staggered left and right from top to bottom;

[0012] The left partition plate is higher on the left and lower on the right, and a passage is formed between the left end of the left partition plate and the right side wall of the box body, and the left partition plate is welded to the box body;

[0013] The right partition plate is higher on the right and lower on the left, and a passage is formed between the left end of the right partition plate and the left side wall of the box body, and the right end of the right partition plate is welded to the box body.

[0014] Further, the heat exchange guide plate comprises partition plates spaced from top to bottom, and a plurality of through holes are uniformly formed in the partition plates.

[0015] Further, the partition plate comprises a base plate portion and an outer connecting ring portion arranged on the periphery of the base plate portion, the through holes are formed in the base plate portion, the height of the upper side of the base plate portion decreases from inside to outside, the upper side of the outer connecting ring portion is a slope with the outer side being higher and the inner side being lower, and a plurality of through holes are arranged around the junction of the outer connecting ring portion and the base plate portion.

[0016] Further, a liquid guide slope is arranged at the lower end of the box body, and the refrigerant outlet is located at the lowest end of the liquid guide slope.

[0017] Compared with the prior art, the present application has the following beneficial effects: compared with the same specification existing finned condenser, the overall heat exchange area changes little, the structure of the finned condenser is simplified under the premise of ensuring the heat exchange efficiency, the production and processing are facilitated, the production time is reduced, the production cost is reduced, the number of parts is reduced, the number of processing equipment is reduced, and the production floor area is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below with reference to the accompanying drawings.

[0019] Figure 1 It is an embodiment structure diagram of the box fin condenser.

[0020] Figure 2 It is another embodiment structure diagram of the box fin condenser.

[0021] Figure 3 It is a structure diagram of the frame.

[0022] Figure 4 It is an embodiment structure diagram of the heat exchange guide plate.

[0023] Figure 5 It is another embodiment structure diagram of the heat exchange guide plate.

[0024] In the figure: 1 - box; 2 - gas inlet pipe; 3 - liquid outlet pipe; 4 - side frame; 5 - refrigerant inlet; 6 - refrigerant outlet; 7 - liquid guide slope; 8 - left partition; 9 - right partition; 10 - partition; 11 - through hole. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present application will be described in more detail below, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art. It should be understood that the specific examples described herein are merely used to explain the present application and should not be used to limit the present application.

[0026] Example 1

[0027] As shown in the figure, a box fin condenser comprises a fin condenser, the fin condenser comprises a closed box, each side plate of the box is a whole piece of heat dissipation fin plate 1, the upper end of the box is provided with a refrigerant inlet 5, and the lower end of the box is provided with a refrigerant outlet 6. Figures 1-3 In the embodiment, the sum of the heat exchange areas of each side plate of the box is not less than the sum of the heat exchange areas of each single fin of the existing fin condenser of the same specification.

[0028] In the embodiment, the box is a hexahedron, for the convenience of installation and the reduction of the space occupied by the assembly in the air conditioner, a rectangular box is preferably adopted, the box comprises a side frame 4 and six side plates installed on the outer side of the side frame, the joints of adjacent side plates are sealingly welded, and the side plates and the frame are sealingly connected by screws or welding.

[0029] In the embodiment, the refrigerant inlet and the refrigerant outlet are diagonally arranged, neither the refrigerant inlet nor the refrigerant outlet is arranged on the two side plates with the largest area of the box, the two side plates with the largest area of the box are flat plates or corrugated plates, and the corrugated plates can further increase the heat exchange area.

[0030] In the embodiment, the refrigerant inlet and the refrigerant outlet are respectively provided with a gas inlet pipe 2 and a liquid outlet pipe 3.

[0031] The box fin condenser is assembled and manufactured as follows:

[0032] S1: Preparing the side frame and each side plate according to the designed pattern;

[0033] S2: Opening the refrigerant inlet and the refrigerant outlet on the upper and lower side plates respectively;

[0034] S3: Welding or screwing the gas inlet pipe and the liquid outlet pipe on the refrigerant inlet and the refrigerant outlet respectively;

[0035] S4: Assembling the box.

[0036] S4: connecting each side plate with the edge frame to form a box body;

[0037] S5: welding and sealing the joint of adjacent side plates.

[0038] In the embodiment, the diameters of the gas inlet pipe and the liquid outlet pipe are фd1 and фd2 respectively, and фd1 = фd2 is preferably 5-20 mm; the height H of the box body is preferably 400-1500 mm, the width L of the box body is preferably 400-1000 mm, and the thickness of each side plate of the box body can be determined according to the specific use.

[0039] In use, the gaseous refrigerant enters the closed heat exchange space in the box body through the refrigerant inlet, the outer side of the side plate of the box body is in contact with air, and the refrigerant is inside the box body. The refrigerant exchanges heat with air through the side plate of the box body. After heat exchange, the gaseous refrigerant becomes liquid, and the liquid refrigerant flows out along the refrigerant outlet. The refrigerant continues to circulate in the air conditioning unit.

[0040] In actual application, in order to avoid the accumulation of liquid refrigerant at the bottom of the box body, a liquid guide slope 7 is arranged at the lower end of the box body, and the refrigerant outlet is located at the lowest end of the liquid guide slope.

[0041] Compared with the same specification existing finned condenser, the overall heat exchange area of the box type finned condenser does not change much, and under the premise of ensuring the heat exchange efficiency, the structure of the finned condenser is simplified, the production and processing are facilitated, the production time is reduced, the production cost is reduced, the number of parts is reduced, the number of processing equipment is reduced, and the production area is reduced.

[0042] Embodiment 2:

[0043] In order to increase the moving path of the refrigerant in the box body, thereby making the heat exchange more sufficient, a plurality of heat exchange guide plates are installed in the box body based on embodiment 1. The plurality of heat exchange guide plates separate the inside of the box body to form heat exchange channels, and the heat exchange channels are in communication with the refrigerant inlet and the refrigerant outlet.

[0044] In use, the gaseous refrigerant enters the closed heat exchange space in the box body through the refrigerant inlet, the gaseous refrigerant exchanges heat with the heat exchange guide plate and the side plate of the box body during transportation along the heat exchange channel, and the outer side of the side plate of the box body exchanges heat with air. After heat exchange, the gaseous refrigerant becomes liquid, and the liquid refrigerant flows to the refrigerant outlet along the heat exchange channel and is output. The refrigerant continues to circulate in the air conditioning unit.

[0045] Embodiment 3:

[0046] As shown in Figure 4 , embodiment 3 provides a specific structure of a heat exchange channel.

[0047] In this embodiment, the heat exchange guide plate includes a left partition 8 and a right partition 9 arranged alternately from top to bottom and left to right;

[0048] The left partition is higher on the left and lower on the right. A channel is formed between the right end of the left partition and the right side wall of the box. The left end of the left partition is welded to the box.

[0049] The right partition is higher on the right and lower on the left. A channel is formed between the left end of the right partition and the left side wall of the box. The right end of the right partition is welded to the box.

[0050] In this embodiment, the left and right partitions are tilted to avoid the accumulation of liquid refrigerant on the partitions.

[0051] In this embodiment, the front and rear sides of the left and right partitions are sealed to the front and rear side walls of the box.

[0052] During use, the gaseous refrigerant and the liquid refrigerant after heat exchange flow downwards through the guides of the left and right partitions, flowing to the refrigerant outlet and being output, while the refrigerant continues to circulate in the air conditioning unit.

[0053] Example 4:

[0054] like Figure 5 As shown, Example 4 provides another specific structure for the heat exchange channel.

[0055] In this embodiment, the heat exchange guide plate includes partitions 10 spaced apart from top to bottom, with a plurality of through holes 11 evenly formed on the partitions.

[0056] In this embodiment, the partition is connected, fixed, and sealed to the side wall of the box.

[0057] In this embodiment, to avoid the accumulation of liquid refrigerant on the partition, the partition includes a base plate and an outer connecting ring disposed on the outer periphery of the base plate. The through holes are formed on the base plate. The height of the upper side of the base plate decreases from the inside to the outside. The upper side of the outer connecting ring is a slope with the outside higher than the inside. Several through holes are provided at the junction of the outer connecting ring and the base plate.

[0058] During use, the gaseous refrigerant and the liquid refrigerant after heat exchange flow downwards through the through holes, towards the refrigerant outlet and out, while the refrigerant continues to circulate in the air conditioning unit.

[0059] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of this application. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters denote similar items; therefore, once an item is defined, it need not be discussed further thereafter.

[0060] In the description of the present application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is generally based on the shown orientation or position relationship, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation to the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component itself.

[0061] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial positional relationship of features. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the described orientation.

[0062] In addition, it needs to be pointed out that the use of "first", "second" and the like to limit the parts, only for the convenience of distinguishing the corresponding parts, such as no further declaration, the above words have no special meaning, therefore, it cannot be understood as a limitation to the protection scope of the present application.

[0063] If the present application discloses or involves the parts or structural members fixedly connected with each other, except otherwise stated, the fixed connection can be understood as: detachable fixed connection (for example, using bolt or screw connection), also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the fixed connection with each other can also be replaced by integral structure (for example, using casting process integral forming manufacturing) (obviously, except for integral forming process).

[0064] The above preferred embodiments further illustrate the purpose, technical scheme and advantages of the present application, it should be understood that the above description is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A box-type finned condenser, comprising a finned condenser, characterized in that: The finned condenser includes a closed box, each side plate of which is a single piece of heat dissipation fin plate. A refrigerant inlet is provided at the upper end of the box, and a refrigerant outlet is provided at the lower end of the box. The box is a hexahedron; The box body includes a side frame and six side plates installed on the outer side of the side frame. The joints of adjacent side plates are sealed and welded. The side plates are sealed to the side frame by screws or by welding. The box is equipped with several heat exchange guide plates, which divide the interior of the box into heat exchange channels. The heat exchange channels are connected to the refrigerant inlet and refrigerant outlet. The heat exchange guide plate includes partitions spaced apart from top to bottom, and several through holes are evenly opened on the partitions; The partition includes a base plate and an outer connecting ring disposed on the outer periphery of the base plate. The through holes are formed on the base plate. The height of the upper side of the base plate decreases from the inside to the outside. The upper side of the outer connecting ring is a slope with the outside higher than the inside. Several through holes are arranged around the junction of the outer connecting ring and the base plate.

2. The box-type finned condenser according to claim 1, characterized in that: The box body is rectangular, with the refrigerant inlet and outlet diagonally positioned. Neither the refrigerant inlet nor the outlet is located on the two side panels with the largest area of ​​the box body. The two side panels with the largest area of ​​the box body are flat or corrugated plates.

3. The box-type finned condenser according to any one of claims 1-2, characterized in that: The refrigerant inlet and refrigerant outlet are respectively equipped with an air inlet pipe and a liquid outlet pipe.

4. The box-type finned condenser according to claim 3, characterized in that: The lower end of the box is provided with a liquid guiding slope, and the refrigerant outlet is located at the lowest end of the liquid guiding slope.

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