Refrigerating device and fan

Abstract

The refrigerating device comprises a refrigerating pipeline and a plurality of heat exchange pieces, the heat exchange pieces are fixed to the circumferential face of a connecting ring at intervals, so that each heat exchange piece makes point-surface contact with the refrigerating pipeline, heat exchange is conducted through the refrigerating pipeline and the heat exchange pieces, and the temperature of the heat exchange pieces is reduced; the air sucking the motor flows to the fan blades, the air is cooled through the heat exchange pieces, and then the cold air is output through the fan blades. When the refrigeration device is installed, the refrigeration device only needs to be installed on the rotating shaft between the motor and the blades. Therefore, the refrigerating device does not need to be provided with a plurality of refrigerators, is simple and convenient to install and low in cost, and is not limited by the material of the rear shell of the fan and the like.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and more specifically to a refrigeration device and a fan. Background Technology

[0002] A fan is a household appliance that uses an electric motor to drive the fan blades to rotate, thereby accelerating air circulation. It is mainly used for cooling and air circulation. Traditional fans have up-and-down oscillation and left-and-right oscillation functions. Although they can deliver air to users at multiple angles, in the high temperatures of summer, the fans blow out hot air and cannot reduce the perceived temperature.

[0003] To address the aforementioned issues, Chinese Patent Application Publication No. CN 117049320 A discloses an elevator car fan, comprising a housing, a controller, a fan, a temperature sensor, a cooler, and a heater. Multiple coolers are evenly spaced along their circumference outside a limiting ring, and each cooler is fixed to a heat-conducting frame. When the temperature is too high, the controller controls the coolers to lower the air temperature around the heat-conducting frame. When the fan rotates, it draws air from the rear housing towards the front housing. This flowing air inevitably passes through the heat-conducting frame, thus cooling the air.

[0004] However, the above patents directly use the curved rods of the rear casing as the heat-conducting framework. However, existing fan rear casings are typically composed of many curved rods. Only curved rods with installed coolers and made of thermally conductive materials can exchange heat with the air; curved rods without coolers or made of non-thermal-conducting materials cannot effectively exchange heat. Therefore, this patent is practically only applicable to fans with metal rear casings, and to ensure heat exchange efficiency, many coolers need to be installed on multiple curved rods of the rear casing, which is not only costly but also cumbersome to install. Therefore, we provide a cooling device and a fan. Utility Model Content

[0005] This utility model provides a cooling device and a fan, aiming to solve the shortcomings of existing fans, such as high modification costs, complicated installation, and limitations on the material of the back cover of existing fans.

[0006] The present invention adopts the following technical solution:

[0007] A refrigeration device includes at least one refrigeration pipe and several heat exchange plates. The refrigeration pipe includes a connecting ring with an opening, a liquid inlet and a liquid outlet. The two ends of the opening of the connecting ring are respectively provided with a liquid inlet and a liquid outlet. Several heat exchange plates are fixed at intervals on the circumferential surface of the connecting ring. A fixing sleeve is provided at the center of the connecting ring. The heat exchange plates are arc-shaped and their inner ends extend to the fixing sleeve.

[0008] In a preferred embodiment, the device includes two refrigeration pipes arranged in an inner and outer layer structure. The inner end of each heat exchange fin is fixed to a fixing sleeve and is radiated outwards and fixed to the two refrigeration pipes respectively.

[0009] In a preferred embodiment, the heat exchange fins gradually expand from the inner end connected to the fixed sleeve to the outer end.

[0010] In a preferred embodiment, the longitudinal cross-section of the heat exchange plate is trapezoidal, and the width decreases sequentially from the end closer to the refrigeration pipe to the end farther away from the refrigeration pipe.

[0011] In a preferred embodiment, the side of the heat exchange fin forms an inclined surface, and the inclined surface forms an obtuse angle with the top surface of the refrigeration pipe connected to its bottom.

[0012] In a preferred embodiment, the refrigeration device is further provided with several positioning brackets on one side of the heat exchange plate for fixing and securing them in the through holes of the motor housing.

[0013] In a preferred embodiment, the heat exchange fins are fixed to the bottom surface of the refrigeration pipe in a hollow structure.

[0014] In a preferred embodiment, the refrigeration pipes, heat exchange fins, and fixing sleeves are integrally cast.

[0015] In a preferred embodiment, a fan includes a motor, a shaft, blades, and a cooling device. The motor is connected to the blades via the shaft, wherein the side with cooling pipes faces the blades, and the side with heat exchange fins faces the motor.

[0016] In a preferred embodiment, the outer diameter of the fixed sleeve is larger than the outer diameter of the rotating shaft.

[0017] As can be seen from the above description of this utility model, compared with the prior art, this utility model has the following advantages:

[0018] 1. The refrigeration device of this utility model has several heat exchange fins fixed at intervals on the circumferential surface of the connecting ring, so that each heat exchange fin is in point-to-surface contact with the refrigeration pipe. Heat exchange occurs between the refrigeration pipe and the heat exchange fins, causing the temperature of the heat exchange fins to decrease. When the blades rotate, air is drawn in from the motor and flows towards the blades. The heat exchange fins cool the air, and then the cooled air is output from the blades. During installation, the refrigeration device only needs to be installed on the shaft between the motor and the blades. Therefore, the refrigeration device of this utility model does not require the installation of many refrigerators, is simple and convenient to install, has low cost, and is not limited by the material of the fan housing.

[0019] 2. In this invention, the width of the longitudinal section of each heat exchange plate gradually decreases from the end closest to the refrigeration pipe to the end furthest from the refrigeration pipe, thereby increasing the surface contact area and increasing the contact area between the heat exchange plate and the air, thus improving the efficiency of heat exchange.

[0020] 3. In this invention, each heat exchange plate has an inclined surface on its side, which increases the surface area of ​​the inclined surface in contact with the air, thereby further improving the heat exchange efficiency.

[0021] 4. In this utility model, each heat exchange plate and refrigeration pipe form a hollow structure, which not only saves materials but also reduces the overall weight. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the heat exchange plate in this embodiment.

[0023] Figure 2 This is a schematic diagram of the refrigeration pipe structure in this embodiment.

[0024] Figure 3 This is a schematic diagram of the fan structure in Embodiment 2. Detailed Implementation

[0025] The specific embodiments of this utility model are described below with reference to the accompanying drawings. Many details are described below to provide a comprehensive understanding of this utility model; however, those skilled in the art can implement this utility model without these details. Well-known components, methods, and processes will not be described in detail below.

[0026] A refrigeration device, as described above Figures 1-2 It includes a refrigeration pipe 10, several heat exchange plates 20 and a fixing sleeve 30, wherein the refrigeration pipe 10, heat exchange plates 20 and fixing sleeve 30 are integrally cast.

[0027] Continue to refer to Figure 2 Preferably, the above-mentioned refrigeration pipes 10 are a set, and the two refrigeration pipes 10 are arranged in an inner and outer layer structure. The refrigeration pipe 10 includes a connecting ring 101 with an opening, a liquid inlet 102 and a liquid outlet 103. The two ends of the opening of the connecting ring 101 are respectively provided with the liquid inlet 102 and the liquid outlet 103. Each refrigeration pipe 10 contains refrigerant. The liquid inlet 101 and the liquid outlet 102 of each refrigeration pipe 10 are respectively connected to a refrigeration device. The refrigeration device can be a commercially available electronic refrigeration device or a compressor refrigeration device, which will not be described in detail here.

[0028] Continue to refer to Figures 1-2 A plurality of heat exchange plates 20 are fixed at intervals on the circumferential surface of the connecting ring 101. The fixing sleeve 30 is provided at the center of the connecting ring 101. Each heat exchange plate 20 is arc-shaped. The inner end of each heat exchange plate 20 is fixed on the fixing sleeve 30 and is fixed to the two refrigeration pipes 10 in sequence.

[0029] Continue to refer to Figure 3The aforementioned refrigeration device is also provided with several positioning brackets 50 on one side of the heat exchange plate 20 for fixing and clamping in the through hole 401 of the motor 40 housing.

[0030] When this device is installed on a regular fan, it is only necessary to install the cooling device on the shaft between the motor 40 and the blades, with one side of the cooling pipe 10 facing the blades and one side of the heat exchange plate 20 facing the motor 40, and then snap one end of the bracket 50 into the through hole 401 on the surface of the motor 40. The cooling device of this utility model contains refrigerant in the cooling pipe 10. Since each heat exchange plate 20 is in contact with both cooling pipes 30, heat exchange is achieved between the cooling pipe 10 and the heat exchange plate 20 through point-to-surface contact. Its structure is simple and the cooling effect is significant. At the same time, as a component, this cooling device adopts an integrated mold, which makes installation simple and convenient, low in cost, and not limited by the material of the fan back cover.

[0031] Continue to refer to Figure 1 Each heat exchange plate 20 gradually expands from the inner end connected to the fixed sleeve 30 to the outer end, and is spirally distributed to form a ring shape. The longitudinal section 201 of each heat exchange plate 20 is trapezoidal, preferably a right trapezoidal structure. Its width gradually increases along the direction of the refrigeration pipe 10 from the inner end connected to the fixed sleeve 30, and its surface contact area increases, which can increase the contact area between the heat exchange plate 20 and the air, thereby increasing the efficiency of heat exchange.

[0032] Continue to refer to Figure 1 Each heat exchange plate 20 has a side surface 203 formed by the top surface 202 of the refrigeration pipe 10 connected to its bottom, and the inclined surface 203 forms an obtuse angle; the surface area of ​​the inclined surface 203 increases the contact area with the air, further improving the heat exchange efficiency; and each heat exchange plate 20 is fixed to the bottom surface of the two refrigeration pipes 10 in a hollow structure, which not only saves costs in terms of materials, but also reduces the overall weight.

[0033] The working principle of this utility model is as follows: the liquid inlet 102 and liquid outlet 103 of the refrigeration pipe 10 are respectively connected to the refrigeration equipment. The refrigerant in the refrigeration pipe 10 causes the temperature of each heat exchange plate 20 in contact with the refrigeration pipe 10 to decrease. The refrigeration pipe 10 and the heat exchange plate 20 exchange heat. When the blades rotate, the air after the motor is drawn in and flows to the blades. The heat exchange plate 20 cools the air and then the cold air is output from the blades, thereby achieving the purpose of refrigeration.

[0034] Example 2

[0035] Reference Figure 3A fan includes a motor 40, a shaft 60, blades, and the aforementioned cooling device. The blades are not shown in the figure. The motor 40 is fixedly connected to the shaft 60, and the other end of the shaft 60 is connected to the blades. The outer diameter of the shaft 60 is smaller than the outer diameter of the fixing sleeve 30. The aforementioned cooling device is installed between the motor 40 and the shaft 60, wherein the side with the cooling pipe faces the blades, and the side with the heat exchange fins faces the motor 40.

[0036] The above are merely specific embodiments of this utility model, but the design concept of this utility model is not limited thereto. Any non-substantial modifications made to this utility model using this concept shall be considered as an infringement of the protection scope of this utility model.

Claims

1. A refrigeration device, characterized in that: It includes at least one refrigeration pipe and several heat exchange plates. The refrigeration pipe includes a connecting ring with an opening, a liquid inlet and a liquid outlet. The two ends of the opening of the connecting ring are respectively provided with the liquid inlet and the liquid outlet. Several heat exchange plates are fixed at intervals on the circumferential surface of the connecting ring. A fixing sleeve is provided at the center of the connecting ring. The heat exchange plates are arc-shaped and their inner ends extend to the fixing sleeve.

2. The refrigeration device as described in claim 1, characterized in that: It includes two refrigeration pipes arranged in an inner and outer layer structure. The inner end of each heat exchange plate is fixed on the fixed sleeve and is respectively fixed to the two refrigeration pipes in a radiating manner.

3. The refrigeration device as described in claim 2, characterized in that: The heat exchange plate gradually expands from the inner end connected to the fixed sleeve to the outer end.

4. The refrigeration device as described in claim 3, characterized in that: The longitudinal cross-section of the heat exchange plate is trapezoidal, and the width decreases sequentially from the end closer to the refrigeration pipe to the end farther away from the refrigeration pipe.

5. The refrigeration device as described in claim 4, characterized in that: The side of the heat exchange plate forms an inclined surface, and the inclined surface forms an obtuse angle with the top surface of the refrigeration pipe connected to its bottom.

6. The refrigeration device as described in claim 1, characterized in that: The refrigeration device also has several positioning brackets on one side of the heat exchange plate for fixing and locking in the through holes of the motor housing.

7. The refrigeration device as described in claim 2, characterized in that: The heat exchange plate is fixed to the bottom surface of the refrigeration pipe and has a hollow structure.

8. The refrigeration device as described in claim 1, characterized in that: The refrigeration pipe, the heat exchange plate, and the fixing sleeve are integrally cast.

9. A fan, characterized in that: The device includes a motor, a shaft, blades, and the refrigeration device as described in claim 1. The motor is connected to the blades via the shaft, wherein the side with the refrigeration pipe faces the blades, and the side with the heat exchange plate faces the motor.

10. The fan as described in claim 9, characterized in that: The outer diameter of the fixed sleeve is larger than the outer diameter of the rotating shaft.

Images