CN217082906U - Heat exchanger with adjustable fin spacing and air conditioner - Google Patents
Heat exchanger with adjustable fin spacing and air conditioner Download PDFInfo
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- CN217082906U CN217082906U CN202123057293.1U CN202123057293U CN217082906U CN 217082906 U CN217082906 U CN 217082906U CN 202123057293 U CN202123057293 U CN 202123057293U CN 217082906 U CN217082906 U CN 217082906U
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Abstract
The utility model provides a fin interval adjustable heat exchanger and air conditioner belongs to refrigeration plant technical field, and this heat exchanger includes the frame main part, moves pipe and quiet pipe. The frame body comprises a side plate and a cover plate, the side plate can move on the cover plate, and a plurality of heat pipe holes are formed in the side plate. The moving pipe is fixed in the hole of the heat pipe, and one end of the static pipe penetrates through the hole of the heat pipe and is in clearance fit with the hole of the heat pipe; a plurality of first fins are arranged on the moving pipe, a plurality of second fins are arranged on the static pipe, and grooves are arranged on the first fins and/or the second fins; the moving pipe is driven by the moving of the side plate, and then the first fin is driven to move. The heat exchanger can adjust the spacing of the fins according to needs, so that the problem of noise in the fins when the heat exchanger is used can be solved, the fin spacing is convenient to adjust, and the reliability is high.
Description
Technical Field
The utility model relates to a refrigeration plant technical field especially relates to a fin interval adjustable heat exchanger and air conditioner.
Background
The heat exchanger is a main component of the air conditioner, and the performance of the heat exchanger has important influence on the operation of the air conditioner. Heat exchange fins in a traditional heat exchanger are generally uniformly distributed at equal intervals, and airflow in the air conditioner is difficult to achieve uniform distribution due to the influence of the external environment. Therefore, in the air conditioner, when the airflow with the fast local flow velocity passes through the gaps of the heat exchange fins, large noise is formed in the fins, and the experience of a user is influenced. According to the actual use environment, the distance between the fins is properly adjusted, the flow speed of the air flow between the fins is reduced, and the problem of noise in the fins can be solved.
Prior art CN109708340B discloses an evaporator and a method for using the same, the evaporator includes: the device comprises an evaporation tube, a fin group and a driving mechanism; the evaporating pipe comprises a plurality of straight pipes which are arranged side by side; the fin group comprises a first fin group and a second fin group, the first fin group comprises a plurality of first fins arranged in parallel, the second fin group comprises a plurality of second fins arranged in parallel, and the first fins and the second fins are arranged at intervals; the driving mechanism drives the first fin group or the second fin group to move along the straight pipe so as to adjust the spacing between the first fin and the adjacent second fin. The fin interval of this evaporimeter is adjustable to can adjust the fin interval according to different operating modes, and then reduce the frosting or the speed of freezing of evaporimeter, reduce the windage when circulated air passes through the fin, thereby improve the heat exchange efficiency of evaporimeter. However, the evaporator is complicated in structure, the installation of the driving mechanism not only increases the manufacturing cost of the evaporator, but also has no function of adjusting the fin pitch in case of failure of the driving mechanism.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists among the correlation technique, one of the objects of the utility model is to provide a fin interval adjustable heat exchanger, this heat exchanger can adjust the interval of fin as required, consequently can improve the noise problem in the fin when the heat exchanger uses, and the fin interval adjustment is convenient moreover, and the reliability is high.
An adjustable fin pitch heat exchanger comprising:
the frame comprises a frame body and a plurality of heat pipe holes, wherein the frame body comprises a side plate and a cover plate, the side plate can move on the cover plate, and the side plate is provided with a plurality of heat pipe holes;
the movable pipe is fixed on the heat pipe hole, and one end of the static pipe penetrates through the heat pipe hole and is in clearance fit with the heat pipe hole; a plurality of first fins are arranged on the moving pipe, a plurality of second fins are arranged on the static pipe, and grooves are arranged on the first fins and/or the second fins; the side plate moves to drive the moving pipe to move, and then the first fin is driven to move.
In a preferred technical scheme of the present invention, a plurality of first fins are fixed on the moving tube in parallel, and the distance between two adjacent first fins is equal;
the plurality of second fins are fixed on the static tube in parallel, and the distances between every two adjacent second fins are equal;
the first fins and the second fins are arranged in the frame in a staggered mode, and the minimum distance between the adjacent first fins and the adjacent second fins is L 1 。
The utility model discloses in the technical scheme of preferred, be equipped with the scale mark on the quiet pipe, the scale mark is followed the length direction of quiet pipe sets up, just the zero scale department of scale mark is located quiet pipe with the junction of sideboard.
The utility model discloses in the technical scheme of preferred, be equipped with the disturbed flow district in the heat exchanger, in the disturbed flow district first fin be equipped with on the second fin the recess, the disturbed flow district is close to the air inlet end setting of heat exchanger.
The utility model discloses among the technical scheme of preferred, the direction of flow of parallel air current, the length in disturbed flow district is L 2 (ii) a The height of the turbulent flow area is H in the vertical air flow direction 1 (ii) a The length of the heat exchanger is L 3 Height of H 2 ；
Wherein L is 2 ：L 3 ＝1:5～1:3，H 1 ：H 2 ＝1:2～1:1。
In the preferred embodiment of the present invention, the first fin and the second fin are both provided with the groove, and the groove is disposed relatively adjacent to the groove.
In the preferred technical scheme of the utility model, the depth of the groove is d, wherein d is less than or equal to 0.5L 1 。
In the preferred technical solution of the present invention, the plurality of grooves are arranged in parallel or non-parallel; the grooves are not parallel to the flowing direction of the airflow.
In the preferred technical solution of the present invention, two cover plates are oppositely disposed, and two side plates are disposed between the two cover plates; the two ends of the cover plate are provided with sliding chutes, and the length of each sliding chute is 1cm-3 cm; the side plate is provided with a sliding block, and the side plate is movably arranged on the cover plate through the mutual matching of the sliding block and the sliding groove.
The second purpose of the utility model is to provide an air conditioner, the air conditioner includes the heat exchanger. The air conditioner has low noise in the operation process, and can improve the use experience of a user.
The utility model has the advantages that:
the utility model provides a pair of fin interval adjustable heat exchanger, the frame main part of this heat exchanger includes sideboard and apron, and the portable setting of sideboard is on the apron, and is equipped with moving pipe and quiet pipe on the sideboard, moves the pipe and fixes on the heat pipe hole of sideboard, quiet pipe and heat pipe hole clearance fit, therefore the removal of sideboard can drive and move the pipe and remove and quiet pipe can not remove thereupon. Move and all be equipped with the fin on pipe, the quiet pipe, move when the sideboard removes to drive and moves the pipe and remove, can drive and move the fin removal on the pipe, and then change the fin on moving the pipe with the distance between the fin on the quiet pipe to satisfy the user demand in different scenes. The fin spacing adjustment of the heat exchanger is realized through the movement of the side plates, and a driving device is not required to be added, so that the production cost is low, the use is reliable, and the condition that the spacing can not be adjusted due to the failure of the driving device can not occur. Moreover, the grooves are formed in the fins, so that the heat exchange effect between the airflow and the fins can be enhanced, and the heat exchange efficiency of the heat exchanger is improved.
The utility model also provides an air conditioner including above-mentioned heat exchanger, this air conditioner can reduce the noise in the fin of operation in-process according to the fin interval of service environment adjustment heat exchanger, promotes user's use and experiences.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger with adjustable fin pitches provided by the present invention;
FIG. 2 is a schematic structural view of the heat exchanger and the air conditioner blower provided by the present invention;
fig. 3 is a side view of the groove on the fin provided by the present invention;
fig. 4 is a front view of the groove on the fin provided by the present invention.
Reference numerals:
100. a frame body; 110. a side plate; 111. a slider; 120. a cover plate; 121. a chute; 200. a moving pipe; 210. a first fin; 300. a static pipe; 310. a second fin; 320. scale lines; 400. a turbulent flow area; 2101. and (4) a groove.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present invention. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1 to 4, a heat exchanger with adjustable fin pitches includes a frame body 100, moving tubes 200, and static tubes 300. The frame body 100 includes a side plate 110 and a cover plate 120, the side plate 110 is movable on the cover plate 120, and a plurality of heat pipe holes are formed on the side plate 110. More specifically, the two cover plates 120 are disposed opposite to each other, the two side plates 110 are disposed between the two cover plates 120, and a rectangular frame structure is formed between the side plates 110 and the cover plates 120. The two ends of the cover plate 120 are both provided with sliding grooves 121, and the length of each sliding groove 121 is 1cm-3 cm. The side plate 110 is provided with a sliding block 111, and the side plate 110 is movably arranged on the cover plate 120 through the mutual matching of the sliding block 111 and the sliding groove 121. The length of the slide groove 121 of the side plate 110 at the maximum length of the movement of the cover plate 120.
The moving pipe 200 is fixed to the hot pipe hole, and one end of the static pipe 300 penetrates through the hot pipe hole and is in clearance fit with the hot pipe hole; a plurality of first fins 210 are arranged on the moving tube 200, a plurality of second fins 310 are arranged on the static tube 300, and grooves 2101 are arranged on the first fins 210 and/or the second fins 310; the side plate 110 moves to move the tube 200, and thus the first fin 210.
The first fin 210 and the second fin 310 may have the same size or different sizes, and as an embodiment, the first fin 210 or the second fin 310 is provided with a groove 2101, and the groove 2101 is used to increase disturbance of an air flow, increase a heat exchange area of the fin, and fully exchange heat between the air flow and the fin, so that the heat exchange efficiency of the heat exchanger can be improved. Specifically, the first fins 210 and the second fins 310 of the heat exchanger are arranged alternately, and both ends of the moving tube 200 and the stationary tube 300 pass through the heat pipe holes of the side plate 110 and then expand the moving tube 200 by using a tube expansion process. The outer diameter of the expanded moving tube 200 is increased, so that the moving tube 200 is in interference fit with the heat pipe hole, that is, the moving tube 200 is fixed on the side plate 110, but the static tube 300 may not be expanded, and the static tube 300 is in clearance fit with the heat pipe hole, and the movement of the side plate 110 will not drive the static tube 300 to move. It should be noted that, like the existing heat exchanger, the heat exchanger of the present application includes a plurality of moving tubes 200 and static tubes 300, and adjacent moving tubes 200 are connected by an elbow, and adjacent static tubes 300 are connected by an elbow, so as to achieve the closed communication of the heat exchange tubes.
In the above heat exchanger with adjustable fin spacing, the frame body 100 of the heat exchanger includes the side plate 110 and the cover plate 120, the side plate 110 is movably disposed on the cover plate 120, the side plate 110 is provided with the moving tube 200 and the static tube 300, the moving tube 200 is fixed on the hot tube hole of the side plate 110, and the static tube 300 is in clearance fit with the hot tube hole, so that the moving of the side plate 110 can drive the moving tube 200 to move and the static tube 300 cannot move along with the moving tube. The fins are arranged on the moving tube 200 and the static tube 300, and when the side plate 110 moves to drive the moving tube 200 to move, the fins on the moving tube 200 can be driven to move, so that the distance between the fins on the moving tube 200 and the fins on the static tube 300 is changed, and the use requirements of different scenes are met. The fin spacing adjustment of the heat exchanger is realized by the movement of the side plate 110, and a driving device is not required to be added, so that the production cost is low, the use is reliable, and the condition that the spacing cannot be adjusted due to the failure of the driving device can be avoided. Moreover, the grooves 2101 are formed in the fins, so that the heat exchange effect between the airflow and the fins can be enhanced, and the heat exchange efficiency of the heat exchanger is improved.
In one embodiment, a plurality of first fins 210 are fixed in parallel to tube 200, with equal spacing between adjacent first fins 210; a plurality of second fins 310 are fixed on the static tube 300 in parallel, and between two adjacent second fins 310The distances are equal; the first fins 210 and the second fins 310 are arranged in the frame in a staggered manner, and the minimum distance between the adjacent first fins 210 and the adjacent second fins 310 is L 1 。
The first fins 210 and the second fins 310 are parallel to each other, and since the first fins 210 and the second fins 310 are arranged alternately, each first fin 210 has two adjacent second fins 310, here L 1 Refers to the section of the first fin 210 that is the smaller distance from the two second fins 310. L is 1 The size of (2) is related to the heat exchange efficiency of the fins and the noise in the fins. When L is 1 When the flow velocity is larger, the flow velocity of the air flow among the fins is reduced, the noise is smaller, and the heat exchange is slower. When L is 1 When the air flow velocity is small, the air flow velocity between the fins is high, the noise is high, and the heat exchange is fast. Therefore, when the user uses the air conditioner and needs to rapidly cool or heat, the control side plate 110 moves and the lowering L1 is small. When the user is more sensitive to noise, the control edge plate 110 moves to increase L 1 And noise is reduced. In addition, the user can also adjust L according to the rotating speed of the fan 1 The size of the air conditioner is better balanced, so that the problem of noise and the problem of heat exchange effect of the air conditioner are solved.
Furthermore, the fixed pipe 300 is provided with scale marks 320, the scale marks 320 are arranged along the length direction of the fixed pipe 300, and the zero scale of the scale marks 320 is located at the joint of the fixed pipe 300 and the side plate 110. The graduation mark 320 is used for reflecting the moving distance of the side plate 110 and controlling L for the user 1 Provides accurate data support.
Further, as shown in fig. 2, a turbulent flow area 400 is arranged in the heat exchanger, the grooves 2101 are arranged on the first fin 210 and the second fin 310 in the turbulent flow area 400, and the turbulent flow area 400 is arranged near an air inlet end of the heat exchanger. More specifically, the length of the turbulent flow region 400 is L in parallel with the flowing direction of the air flow 2 (ii) a The height of the turbulent flow region 400 is H in the vertical direction 1 (ii) a The length of the heat exchanger is L 3 Height of H 2 (ii) a Wherein L is 2 ：L 3 ＝1:5～1:3，H 1 ：H 2 1:2 to 1: 1. The turbulence area 400 is arranged to increase air turbulence in an area where the air flow velocity at the air inlet end is fast, so as to prevent the air flow from passing through the heat exchanger fast and failing to exchange heat sufficiently. In order to improve the effect of the spoiler 400, the length of the spoiler 400 is L 2 Has a length L with the heat exchanger 3 Is 1:5 to 1:3, preferably 1:5, and the height H of the turbulent flow region 400 1 Height H of heat exchanger 2 The ratio of (A) to (B) is 1:2 to 1:1, preferably 1: 1.
As another embodiment, as shown in fig. 3, the first fin 210 and the second fin 310 are both provided with the notch 2101, and the adjacent notches 2101 on the first fin 210 and the second fin 310 are arranged oppositely. The grooves 2101 on the two fins are arranged oppositely, so that the disturbance effect on the air flow can be enhanced, and the heat exchange efficiency is improved.
As shown in fig. 3 to 4, the grooves 2101 are arranged in a plurality of strips, and the plurality of grooves 2101 are parallel or non-parallel; the plurality of grooves 2101 are not parallel to the flow direction of the air flow. The depth of the groove 2101 is d, wherein d is less than or equal to 0.5L 1. That is, the depth of the groove 2101 cannot exceed half of the distance between the first fin 210 and the second fin 310. The cross-section of the groove 2101 may be semi-circular, V-shaped, rectangular, or other shapes.
The utility model also provides an air conditioner including above-mentioned heat exchanger, this air conditioner can reduce the noise in the fin of operation in-process according to the fin interval of service environment adjustment heat exchanger, promotes user's use and experiences.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures. In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (10)
1. A heat exchanger with adjustable fin spacing is characterized by comprising:
the frame comprises a frame body and a plurality of heat pipe holes, wherein the frame body comprises a side plate and a cover plate, the side plate can move on the cover plate, and the side plate is provided with a plurality of heat pipe holes;
the movable pipe is fixed on the heat pipe hole, and one end of the static pipe penetrates through the heat pipe hole and is in clearance fit with the heat pipe hole; a plurality of first fins are arranged on the moving pipe, a plurality of second fins are arranged on the static pipe, and grooves are arranged on the first fins and/or the second fins; the side plate moves to drive the moving pipe to move, and then the first fin is driven to move.
2. The fin pitch adjustable heat exchanger of claim 1, wherein:
the first fins are fixed on the moving tubes in parallel, and the distances between every two adjacent first fins are equal;
the plurality of second fins are fixed on the static tube in parallel, and the distances between every two adjacent second fins are equal;
the first fins and the second fins are arranged in the frame in a staggered mode, and the minimum distance between the adjacent first fins and the adjacent second fins is L 1 。
3. The fin pitch adjustable heat exchanger of claim 2, wherein:
be equipped with the scale mark on the quiet pipe, the scale mark is followed the length direction setting of quiet pipe, just the zero scale department of scale mark is located quiet pipe with the junction of sideboard.
4. The fin pitch adjustable heat exchanger according to claim 3, wherein:
the heat exchanger is characterized in that a turbulent flow area is arranged in the heat exchanger, the first fin and the second fin in the turbulent flow area are provided with grooves, and the turbulent flow area is arranged close to an air inlet end of the heat exchanger.
5. The fin pitch adjustable heat exchanger of claim 4, wherein:
the length of the turbulent flow zone is L 2 (ii) a The height of the turbulent flow area is H in the vertical air flow direction 1 (ii) a The length of the heat exchanger is L 3 Height of H 2 ；
Wherein L is 2 ：L 3 ＝1:5～1:3，H 1 ：H 2 ＝1:2～1:1。
6. The fin pitch adjustable heat exchanger of claim 4, wherein:
the first fin and the second fin are respectively provided with the groove, and the grooves on the adjacent first fin and the second fin are oppositely arranged.
7. The fin pitch adjustable heat exchanger of claim 2, wherein:
the depth of the groove is d, wherein d is less than or equal to 0.5L 1 。
8. The fin pitch adjustable heat exchanger according to any one of claims 1 to 7, wherein:
the grooves are arranged in a plurality of parallel or non-parallel ways; the grooves are not parallel to the flowing direction of the airflow.
9. The fin pitch adjustable heat exchanger according to any one of claims 1 to 7, wherein:
the two cover plates are oppositely arranged, and the two side plates are arranged between the two cover plates; the two ends of the cover plate are provided with sliding chutes, and the length of each sliding chute is 1cm-3 cm; the side plate is provided with a sliding block, and the side plate is movably arranged on the cover plate through the mutual matching of the sliding block and the sliding groove.
10. An air conditioner, characterized in that: the air conditioner comprising a heat exchanger according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123057293.1U CN217082906U (en) | 2021-12-06 | 2021-12-06 | Heat exchanger with adjustable fin spacing and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123057293.1U CN217082906U (en) | 2021-12-06 | 2021-12-06 | Heat exchanger with adjustable fin spacing and air conditioner |
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| Publication Number | Publication Date |
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| CN217082906U true CN217082906U (en) | 2022-07-29 |
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| CN202123057293.1U Active CN217082906U (en) | 2021-12-06 | 2021-12-06 | Heat exchanger with adjustable fin spacing and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484847A (en) * | 2021-12-06 | 2022-05-13 | 珠海格力电器股份有限公司 | Heat exchanger with adjustable fin spacing and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484847A (en) * | 2021-12-06 | 2022-05-13 | 珠海格力电器股份有限公司 | Heat exchanger with adjustable fin spacing and air conditioner |
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