CN218495550U - Fin, heat exchanger and refrigerator - Google Patents
Fin, heat exchanger and refrigerator Download PDFInfo
- Publication number
- CN218495550U CN218495550U CN202222020820.XU CN202222020820U CN218495550U CN 218495550 U CN218495550 U CN 218495550U CN 202222020820 U CN202222020820 U CN 202222020820U CN 218495550 U CN218495550 U CN 218495550U
- Authority
- CN
- China
- Prior art keywords
- fin
- fins
- heat exchanger
- heating
- defrosting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a fin, heat exchanger and refrigerator. The fin includes: the fin body is of a hollow structure; and a heating body which generates heat by electricity, wherein the heating body is arranged in the fin body and is configured to heat the fin body. The utility model discloses a fin has the defrosting function. When defrosting, the fin body is heated through the heating body arranged in the fin, compared with the existing heating from the bottom of the heat exchanger, the heating path of the heating body is shorter, and the contact area between the heating body and the fin body is larger; therefore, the utility model has the advantages of the defrosting is even, the defrosting is efficient and the defrosting is effectual.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, in particular to fin, heat exchanger and refrigerator.
Background
For refrigeration equipment, the phenomenon of evaporator frosting often appears, and frosting can influence its operating efficiency, therefore refrigeration equipment need carry out the defrosting operation to the evaporator after a period of refrigeration. The existing evaporator comprises an evaporation tube and fins, wherein the fins are arranged on the evaporation tube and have the function of increasing the evaporation area. Because the area of the fins is larger than the area of the evaporating tubes, more frost will form on the fins than on the evaporating tubes. In the prior art, a heating device is usually arranged below an evaporator to defrost the evaporator, the heating device needs to occupy a separate installation space, and the defrosting mode has the problems of large defrosting power, uneven defrosting and poor defrosting effect. In addition, since the heating device is of a unitary structure, it is usually a heating wire or tube extending along the length of the evaporator tube; therefore, the heating device can only be started or closed integrally, namely, the heating device can only heat the whole evaporator and cannot heat part of the evaporator; therefore, the heating device cannot flexibly control the defrosting power of the heating wire in a segmented manner according to the frosting condition of each position of the evaporator.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned problem or solve above-mentioned problem at least partially, provide a fin, heat exchanger and refrigerator, it can make the fin have the defrosting function, and can realize changing even and the effectual effect of defrosting.
Specifically, the utility model provides a fin, include:
the fin body is of a hollow structure;
a heating body for generating heat by electricity, the heating body being disposed inside the fin body, the heating body being configured to heat the fin body.
Optionally, the fin body comprises two fin layers, and the inner space of the fin body is formed by enclosing the two fin layers; the two fin layers are spliced or welded together;
the heating body comprises a heating wire and an insulating skin arranged on the outer side of the heating wire.
Optionally, the inner space of the fin body is a serpentine channel or a U-shaped channel, a straight section of the U-shaped channel extends along the length direction of the fin body, and two ends of the serpentine channel or the U-shaped channel are located at the same end of the fin body.
The utility model also provides a heat exchanger, fin including a plurality of parallel arrangement, its characterized in that, at least one the fin is as above-mentioned arbitrary the fin.
Optionally, each of the fins is a fin as described in any one of the above.
Optionally, the heat exchanger further comprises:
an evaporation tube mounted on the plurality of fins;
and each temperature sensor is arranged on the surface of one fin body or the evaporation tube near one fin, so that whether the heating body of the corresponding fin is started or not is determined according to the temperature detected by each temperature sensor.
Optionally, a plurality of the fins are arranged at intervals up and down, and the heat generating bodies are arranged to be sequentially opened from top to bottom so as to defrost the fin body on the lower layer by using defrosting water generated by defrosting the fin body on the upper layer.
Optionally, the terminal of the heating element of the fin is located on the same side of the evaporation tube, and the heating elements adjacent to the fin are connected in series or in parallel.
Optionally, a grounding device is arranged on the fin body.
The utility model also provides a refrigerator, include as above-mentioned arbitrary heat exchanger.
The utility model discloses a fin includes fin body and heat-generating body, and the heat-generating body sets up inside the fin body, thereby the heat-generating body utilizes the electricity to generate heat to the heating of fin body, consequently, the utility model discloses a fin has the defrosting function. When defrosting, the fin body is heated through the heating body arranged in the fin, compared with the existing heating from the bottom of the heat exchanger, the heating path of the heating body is shorter, and the contact area between the heating body and the fin body is larger; therefore, the utility model has the advantages of even defrosting, high defrosting efficiency and good defrosting effect.
Further, the inner space of the fin body is a snake-shaped channel or a U-shaped channel, can be perfectly matched with the heating wires, can fully utilize the heat of the heating device, and prevents the waste of heat caused by the overlarge inner space.
Furthermore, each fin on the heat exchanger has a defrosting function, and because the heating body of each fin is of a split structure, the defrosting power of each fin can be flexibly controlled according to the frosting condition of each position of the heat exchanger.
Furthermore, the defrosting water generated by defrosting the upper-layer fin body is utilized to defrost the lower-layer fin body, so that the defrosting power can be reduced, and the energy-saving beneficial effect is achieved.
Furthermore, the wiring ends of the heating bodies of the fins are positioned on the same side of the evaporation tube, so that the heating bodies can be conveniently and electrically connected, and the installation space can be saved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural diagram of a fin of one embodiment of the present invention;
FIG. 2 is a schematic front view of the fin shown in FIG. 1;
FIG. 3 is a schematic configuration view of a heat generating body of the fin shown in FIG. 1;
FIG. 4 is a schematic block diagram of a fin layer of the fin of FIG. 1;
FIG. 5 is a schematic in-use view of the fin of FIG. 1;
FIG. 6 is a schematic block diagram of a heat exchanger according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a heat exchanger according to another embodiment of the present invention.
Detailed Description
The fin, the heat exchanger, and the refrigerator according to the embodiments of the present invention are described below with reference to fig. 1 to 7. Where the orientation or positional relationship indicated by "front", "rear", "upper", "lower", "top", "bottom", "inner", "outer", "lateral", etc. is based on the orientation or positional relationship shown in the drawings, it is merely for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention.
The terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include at least one of the feature, i.e. one or more of the features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "coupled," and the like are to be construed broadly and encompass, for example, both fixed and removable connection or integration; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention should be understood by those of ordinary skill in the art according to specific situations.
Fig. 1 is a schematic front view of a fin according to an embodiment of the present invention, as shown in fig. 1, and referring to fig. 2 to 7, an embodiment of the present invention provides a fin 100 including a fin body 110 and a heat generating body 120.
The fin body 110 has a hollow structure; the heating element 120 generates heat by electricity, the heating element 120 is provided inside the fin body 110, and the heating element 120 is arranged to heat the fin body 110.
The defrosting process of the fin 10 is as follows: the heating element 110 heats the fin body 110 by generating heat using electricity, and frost on the surface of the heated fin body 110 is melted.
The fin 100 of the present invention has a defrosting function. When defrosting, the fin body 110 is heated through the heating body 120 arranged in the fin, compared with the existing heating from the bottom of the heat exchanger, the heating path of the heating body is shorter, and the contact area between the heating body and the fin body is larger; therefore, the utility model has the advantages of even defrosting, high defrosting efficiency and good defrosting effect. In addition, the influence on surrounding non-metal parts is small during defrosting, the non-metal parts are not easy to deform and burn, and meanwhile, the installation space can be saved.
In some optional embodiments of the present invention, the fin body 110 includes two fin layers 111, and the internal space of the fin body 110 is enclosed by the two fin layers 111; the two fin layers 111 are inserted or welded together, or may be adhered together by glue.
When the fin 110 is assembled, the heating element 120 is sandwiched between the two fin layers 111, and then the two fin layers 111 are inserted or welded together, thereby completing the assembly of the fin 100. Therefore, the fin 100 has the advantages of simple structure, easy manufacture and low manufacturing cost.
In some optional embodiments of the present invention, the inner space of the fin body 110 is a serpentine channel or a U-shaped channel 112, a straight section of the U-shaped channel 112 extends along the length direction of the fin body 110, and both ends of the serpentine channel or the U-shaped channel 112 are located at the same end of the fin body.
By arranging the serpentine channel or the U-shaped channel 112, on one hand, the contact area between the heating body 120 and the fin body 110 can be increased, so that the defrosting efficiency and the defrosting uniformity can be improved; in addition, on the other hand, the gap between the heating element 120 and the fin body 110 can be reduced, so that the heating element 120 is in close contact with the fin body 110, the heating efficiency of the heating element 120 is improved, and energy waste is avoided.
In some optional embodiments of the present invention, the heating element 120 includes a heating wire and an insulating sheath disposed outside the heating wire, and the insulating sheath can improve the safety performance of the fin.
Furthermore, two ends of the serpentine channel or the U-shaped channel 112 are sealed by silica gel, so that the safety performance of the fin can be further improved.
In some optional embodiments of the present invention, the fin body 110 has a mounting hole 140, and the mounting hole 140 is used for inserting the evaporating tube 200.
The embodiment of the present invention further provides a heat exchanger 300, wherein the heat exchanger 300 comprises a plurality of fins arranged in parallel, and at least one fin is the fin 100 according to any of the above embodiments.
In some embodiments of the present invention, the heat exchanger 300 includes two types of fins, one type being the fin 100 as described in any of the above embodiments, and the other type being an existing fin.
In some embodiments of the present invention, each of the fins of the heat exchanger 300 is the fin 100 described in any of the above embodiments. Each fin 100 on the heat exchanger 300 has a defrosting function, and because the heating element 120 of each fin 100 is of a split structure, the defrosting power of each fin 100 can be flexibly controlled according to the frosting condition of each position of the heat exchanger 300.
Further, the heat exchanger 300 further includes the evaporation tube 200 and a plurality of temperature sensors. The evaporation tube 200 is mounted on the plurality of fins 100; each temperature sensor is provided on the surface of one fin body 110 or the evaporation tube 100 in the vicinity of one fin 100 to determine whether to activate the heat-generating body 120 of the corresponding fin based on the temperature detected by each temperature sensor. That is, by providing a plurality of temperature sensors, the temperature conditions of the respective regions of the heat exchanger 300 can be detected, and the frosting condition of the respective positions of the heat exchanger can be obtained.
In some embodiments of the present invention, as shown in fig. 6, a plurality of fins 100 are horizontally provided at intervals, and each heat generating body 120 is arranged to be opened and finished individually. That is, the defrosting of each fin 100 can be individually controlled.
In some embodiments of the present invention, as shown in fig. 7, the plurality of fins 100 are arranged at intervals from top to bottom, and the heating elements 120 are arranged so as to be sequentially opened in order from top to bottom, so as to defrost the lower fin body 110 by using the defrosting water generated by defrosting the upper fin body 110. Specifically, when the plurality of fin bodies 110 are defrosted simultaneously, the upper fin body 110 is heated first, and at this time, the defrosted water generated by the upper fin body 110 has a pre-defrosting effect on the lower fin body 120; after the upper fins 110 are defrosted, the lower fins 120 are heated.
Therefore, the control device controls the heating element, so that the defrosting power of the lower layer fin 110 can be reduced, and the beneficial effect of energy conservation is achieved.
In some embodiments of the present invention, the terminals of the heating elements 120 of the fins 100 are located on the same side of the evaporating tube 200, and the heating elements 120 of adjacent fins 100 are connected in series or in parallel. Specifically, the heating elements 120 of adjacent fins 100 are electrically controlled by the same outgoing line after being connected in series or in parallel.
The terminals of the heating elements 120 of the respective fins 100 are located at the same side of the evaporating tube 200, which facilitates electrical connection between the respective heating elements 120 and saves installation space.
In other alternative embodiments, the heat generating body 120 of each fin 100 is separately electrically controlled using a separate lead-out wire.
In some embodiments of the present invention, the fin 100 further comprises a grounding device 130, and the grounding device 130 is used for safely grounding the fin. The grounding device 130 is disposed on the fin body 110, and the grounding device 130 is a screw hole, a quick-plug terminal or a grounding wire. The heating element 120 is powered by strong current (AC 220V) or weak current (DC 12V/24V); when the heating element 120 is powered by strong electricity, the grounding device is a grounding wire, specifically, the grounding wire is welded or pressed on the fin body 110.
The embodiment of the utility model provides a refrigerator is still provided, include the heat exchanger 300 as in any one above-mentioned embodiment. The heat exchanger 300 is an evaporator.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made to the invention consistent with the principles of the invention, which may be directly determined or derived from the disclosure of the present invention, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A fin, comprising:
the fin body is of a hollow structure;
a heat generating body that generates heat by electricity, the heat generating body being disposed inside the fin body, the heat generating body being configured to heat the fin body.
2. The fin according to claim 1,
the fin body comprises two fin layers, and the inner space of the fin body is formed by surrounding the two fin layers; the two fin layers are spliced or welded together;
the heating body comprises a heating wire and an insulating skin arranged on the outer side of the heating wire.
3. The fin according to claim 1,
the fin body is characterized in that the inner space of the fin body is a snake-shaped channel or a U-shaped channel, a straight line section of the U-shaped channel extends along the length direction of the fin body, and two ends of the snake-shaped channel or the U-shaped channel are located at the same end of the fin body.
4. A heat exchanger comprising a plurality of fins arranged in parallel, wherein at least one of said fins is a fin as claimed in any one of claims 1 to 3.
5. The heat exchanger of claim 4,
each of the fins is the fin according to any one of claims 1 to 3.
6. The heat exchanger of claim 5, further comprising:
an evaporation tube mounted on the plurality of fins;
and each temperature sensor is arranged on the surface of one fin body or the evaporation tube near one fin, so that whether the heating body of the corresponding fin is started or not is determined according to the temperature detected by each temperature sensor.
7. The heat exchanger of claim 5,
the fins are arranged at intervals up and down, and when at least two fins need defrosting simultaneously, the heating bodies are arranged to be sequentially started from top to bottom so as to defrost the lower-layer fin body by using defrosting water generated by defrosting the upper-layer fin body; alternatively, a plurality of the fins are horizontally arranged at intervals.
8. The heat exchanger of claim 6,
the wiring ends of the heating bodies of the fins are positioned on the same side of the evaporation tube, and the heating bodies of the adjacent fins are connected in series or in parallel.
9. The heat exchanger of claim 8,
and the fin body is provided with a grounding device.
10. A refrigerator characterized by comprising a heat exchanger according to any one of claims 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222020820.XU CN218495550U (en) | 2022-08-02 | 2022-08-02 | Fin, heat exchanger and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222020820.XU CN218495550U (en) | 2022-08-02 | 2022-08-02 | Fin, heat exchanger and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218495550U true CN218495550U (en) | 2023-02-17 |
Family
ID=85186263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222020820.XU Active CN218495550U (en) | 2022-08-02 | 2022-08-02 | Fin, heat exchanger and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218495550U (en) |
-
2022
- 2022-08-02 CN CN202222020820.XU patent/CN218495550U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6626004B2 (en) | Defroster for evaporator of refrigerator | |
| US8424324B2 (en) | Refrigerant evaporators with pulse-electrothermal defrosting | |
| JP5636253B2 (en) | Evaporator | |
| CN103972610B (en) | The battery system of device with battery battery core and for regulating cell battery core temperature | |
| CN203446044U (en) | Heating wire and heating device | |
| US20120023993A1 (en) | Evaporator with integrated heating element | |
| CN218495550U (en) | Fin, heat exchanger and refrigerator | |
| JP5228621B2 (en) | Heat exchanger for heat pump and heat pump device using the same | |
| CN111023681A (en) | Refrigerator defrosting device and method thereof | |
| CN201119017Y (en) | PTC electric heater | |
| KR100672571B1 (en) | Defroster of evaporator for refrigerator | |
| CN115435539A (en) | Defrosting method of evaporator and refrigerator | |
| KR20000007553U (en) | Electric heater device for outdoor unit defrost of air conditioner | |
| EP0955508A2 (en) | Evaporator coil with integral heater | |
| CN104364596A (en) | Evaporator for a refrigeration device and refrigeration device | |
| US20200141614A1 (en) | to HEAT PUMP SYSTEM AND CONTROL METHOD THEREFOR | |
| CN220205921U (en) | Condenser and air conditioner | |
| CN206380101U (en) | A kind of ptc heater | |
| CN202171297U (en) | Heat-pump air conditioning system | |
| CN213631142U (en) | Defrosting device for refrigerator evaporator | |
| CN215597548U (en) | Electric heating type heat exchanger, air conditioner external unit and air conditioning system | |
| KR20050098326A (en) | A electric heater and method for manufacturing therof | |
| CN219477202U (en) | Novel seamless sliding contact line | |
| CN214673519U (en) | Dehumidifier applied to electrical cabinet and electrical cabinet | |
| CN102695306A (en) | Dual-component positive temperature coefficient (PTC) heating device for air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |