Refrigerating device and sunshade

Abstract

The utility model discloses a refrigeration device and sunshade relates to semiconductor refrigeration technical field, including outer tube and inner tube, the outer tube is equipped with air inlet, air outlet and first fan, the radial outer wall of inner tube and the inner wall of outer tube enclose a first cavity, the inner tube is equipped with second cavity, and the second cavity is equipped with second fan. And the refrigerating sheets are arranged on the inner wall of the inner pipe and extend in the axis direction of the inner pipe, the area of the refrigerating sheets can be increased, and therefore the refrigerating efficiency is improved. The cold side of the refrigeration sheet is in contact with the inner wall of the inner pipe, and a plurality of fins are arranged on the outer wall of the inner pipe, so that the temperature of the fins is lower than that of external air. The sunshade umbrella is provided with an umbrella handle, the umbrella handle is provided with an inner cavity, when the first fan rotates, external air enters the first cavity, then makes contact with the fins and is exhausted, refrigeration is achieved, when the second fan rotates, the external air can take away heat on the hot side of the refrigeration piece through the second cavity, the air can enter the inner cavity and is exhausted from the top of the umbrella handle, and the heat dissipation process is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a semiconductor refrigeration technical field, especially a refrigeration device and sunshade. BACKGROUND

[0002] In the related art, in order to improve the use comfort of the sunshade, a solar cell is selected to be arranged on the umbrella surface, and then a fan is electrically connected, and the power generated by the solar cell is used to drive the fan to rotate to bring a cooler use experience, and a semiconductor refrigeration plate is arranged in the fan to blow out cold air by the fan, but in order to consider the portability and size of the umbrella, the size of the refrigeration plate is limited, so that the refrigeration and heat dissipation effect is very limited. SUMMARY

[0003] The utility model aims at solving one of the technical problems in the prior art at least, for this purpose, the utility model provides a refrigeration device and sunshade, which can improve the refrigeration effect.

[0004] According to the refrigeration device of the first aspect of the utility model, the refrigeration device comprises:

[0005] The outer pipe is provided with an air inlet and an air outlet at two ends, and the outer pipe is provided with a first fan at one end in the outer pipe;

[0006] The inner pipe is fixed in the outer pipe, a first cavity is formed between the radial outer wall of the inner pipe and the inner wall of the outer pipe, the inner pipe has a second cavity, the second cavity is provided with a second fan, a plurality of refrigeration fins are arranged on the inner wall of the inner pipe, the refrigeration fins extend along the axis direction of the inner pipe, the cold side of the refrigeration fin contacts the inner wall of the inner pipe, and a plurality of fins are arranged on the outer wall of the inner pipe;

[0007] When the first fan rotates, the external air can enter the first cavity through the air inlet, contact the fins and be discharged from the air outlet, and the second fan can discharge the hot air in the second cavity to one end of the inner pipe.

[0008] The utility model discloses a refrigeration device according to the first aspect of the utility model, at least has following beneficial effect: this embodiment is equipped with outer tube and inner tube, outer tube is equipped with air inlet, air outlet and first fan, and the inner tube is fixed in the outer tube, and the first cavity is surrounded between the radial outer wall of inner tube and the inner wall of outer tube, and the second cavity is formed in the inner tube, and the second fan is arranged in the second cavity, and a plurality of refrigeration fins are arranged on the inner wall of inner tube, and the refrigeration fin extends along the axis direction of inner tube, can improve the area of refrigeration fin, improves the contact area of outside air and cold side simultaneously, thereby improves the refrigeration efficiency. The cold side of refrigeration fin contacts the inner wall of inner tube, and a plurality of fins are arranged on the outer wall of inner tube, so that the temperature of fin is lower than the temperature of outside air, when the first fan rotates, the outside air enters the first cavity from the air inlet, contacts the fin and is discharged from the air outlet, to blow out the cold wind and realize refrigeration, and the second fan rotates and can discharge the hot air in the second cavity to one end of inner tube.

[0009] According to the first aspect of the utility model, the inner wall of the inner tube is provided with at least four planes, and at least one refrigeration fin is arranged in each plane.

[0010] According to the first aspect of the utility model, the first fan and the second fan are located at one end close to the air inlet.

[0011] According to the first aspect of the utility model, the fins are arranged in a spiral on the outer periphery of the inner tube, and air grooves are arranged on the fins, and the air grooves extend in the radial direction of the first cavity.

[0012] According to the first aspect of the utility model, the maximum outer diameter of the fin is not less than four fifths of the minimum inner diameter of the outer tube.

[0013] According to the first aspect of the utility model, one end of the outer tube is provided with a transmission box, and a motor for driving the first fan and the second fan is arranged in the transmission box.

[0014] According to the first aspect of the utility model, the side wall of the transmission box is provided with an air suction port connected to the outside, and when the second fan rotates, the outside air can enter the second cavity from the air suction port.

[0015] According to the first aspect of the utility model, the axial length of the first cavity is not less than three times the maximum inner diameter length of the outer tube.

[0016] According to the first aspect of the utility model, the first fan and the second fan are coaxially arranged, and the first fan is located at the outer periphery of the second fan.

[0017] According to the second aspect of the utility model, a sunshade umbrella is provided, which comprises the refrigeration device described above, and further comprises:

[0018] The umbrella handle has an inner cavity, the umbrella handle is fixedly connected with the outer tube, and the inner cavity is communicated with the second cavity, the second fan can suck air outside into the second cavity and take away the heat on the hot side of the refrigerating fin when the second fan rotates, and the air can be discharged from the top of the umbrella handle through the inner cavity.

[0019] According to the sunshade of the second aspect of the present application, at least the following beneficial effects are achieved:

[0020] Compared with the prior art, the sunshade has a refrigerating device and an umbrella handle, the umbrella handle has an inner cavity, the refrigerating device comprises an outer tube, an inner tube, a first fan and a second fan, a first cavity is formed between the radial outer wall of the inner tube and the inner wall of the outer tube, a plurality of refrigerating fins are arranged on the inner wall of the inner tube, the refrigerating fins extend along the axis direction of the inner tube, the area of the refrigerating fin is increased, and the contact area between the air outside and the cold side is increased, so that the refrigerating efficiency is improved. The cold side of the refrigerating fin contacts the inner wall of the inner tube, a plurality of fins are arranged on the outer wall of the inner tube, so that the temperature of the fins is lower than the temperature of the air outside, when the first fan rotates, the air outside enters the first cavity from the air inlet, contacts the fins and is discharged from the air outlet, refrigeration is realized, when the second fan rotates, the air outside is sucked into the inner cavity, the air takes away the heat on the hot side of the refrigerating fin through the second cavity, and the air can be discharged from the top of the umbrella handle through the inner cavity, so that the heat dissipation process is realized.

[0021] Additional aspects and advantages of the present application will be described in the following description, some of which will become apparent to those skilled in the art from the following description, or will be learned from practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below in conjunction with the drawings and examples, wherein:

[0023] Figure 1 It is an axial view of a refrigerating device in the embodiment of the first aspect of the present application;

[0024] Figure 2 It is a first sectional view of a refrigerating device in the embodiment of the first aspect of the present application;

[0025] Figure 3 It is Figure 2 It is an enlarged view of A in the embodiment of the first aspect of the present application;

[0026] Figure 4 It is an internal view of a refrigerating device in the embodiment of the first aspect of the present application;

[0027] Figure 5 It is a second sectional view of a refrigerating device in the embodiment of the first aspect of the present application;

[0028] Figure 6 It is an axial view of a sunshade in the embodiment of the second aspect of the present application;

[0029] Figure 7 Sectional view of the sunshade for the second aspect of the utility model embodiment.

[0030] Reference signs:

[0031] Sunshade 100; handle 101; base 102; inner cavity 103;

[0032] Outer tube 110; air outlet 111; air inlet 112; first cavity 113; first fan 114; transmission box 115; air suction port 116; support frame 117; cover plate 118; air guide part 119;

[0033] Inner tube 120; plane 121; refrigeration fin 122; fin 123; air passage 124; second cavity 125; second fan 126. DETAILED DESCRIPTION

[0034] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0035] In the description of the utility model, it is understood that the orientation description, such as up, down, front, back, left, right and the like, is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as limiting the utility model.

[0036] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than and the like are not included in the number, above, below, within and the like are included in the number. If the first, the second is described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0037] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0038] Reference Figure 1 And Figure 2In the first aspect of the utility model, the refrigeration device comprises an outer tube 110 and an inner tube 120, both ends of the outer tube 110 are respectively provided with an air inlet 112 and an air outlet 111, one end in the outer tube 110 is provided with a first fan 114, and the inner tube 120 is fixed in the outer tube 110. Figure 3 The inner tube 120 is fixed in the outer tube 110, the inner wall of the outer tube 110 is provided with a support frame 117, the support frame 117 is provided in a hollow mode, the support frame 117 is supported at the bottom end of the inner tube 120, so that the inner tube 120 is fixedly installed in the outer tube 110, and the support frame 117 provided in the hollow mode helps to reduce the flow resistance of air flow. The radial outer wall of the inner tube 120 and the inner wall of the outer tube 110 surround a first cavity 113, the first fan 114 is arranged in the first cavity 113, the inner tube 120 has a second cavity 125, and the second cavity 125 is provided with a second fan 126, the inner wall of the inner tube 120 is provided with a plurality of refrigeration fins 122, the refrigeration fins 122 extend along the axis direction of the inner tube 120, the area of the refrigeration fins 122 can be increased, and the contact area of external air and the cold side can be increased, so that the refrigeration efficiency is improved. The cold side of the refrigeration fin 122 contacts the inner wall of the inner tube 120, the hot side of the refrigeration fin 122 faces the center part of the second cavity 125, the outer wall of the inner tube 120 is provided with a plurality of fins 123, the cold side of the refrigeration fin 122 contacts the inner wall of the inner tube 120, so that the temperature of the fins 123 on the outer wall of the inner tube 120 is lower than the temperature of external air, when the external air contacts the fins 123, the air can be cooled, the cold air can be blown to the human body, and the purpose of refrigeration and cooling can be achieved.

[0039] It can be understood that, in actual use, the outer tube 110 and the inner tube 120 are vertically arranged, the air inlet 112 is arranged at the bottom of the outer tube 110, and the air outlet 111 is arranged at the top of the outer tube 110. Specifically, a plurality of air outlets 111 are arranged at the top of the outer tube 110, and the plurality of air outlets 111 are arranged at intervals along the circumferential direction of the outer tube 110. Further, the outer tube 110 is provided with a cover plate 118, the cover plate 118 extends outward along the radial direction of the outer tube 110, and the lower edge of the cover plate 118 is provided with a downwardly extending air guide part 119, the air guide part 119 covers the air outlet 111, so that the air discharged from the air outlet 111 flows downward along the inner wall of the air guide part 119 and blows to the human body, and the cooling function of the human body can be achieved.

[0040] It can be understood that the first fan 114 and the second fan 126 are arranged at one end of the outer tube 110 close to the air inlet 112, and Figure 5, the first fan 114 is coaxially arranged with the second fan 126, the first fan 114 is located at the outer periphery of the second fan 126, the bottom end of the outer pipe 110 is provided with a transmission box 115, the transmission box 115 is provided with a motor which can drive the first fan 114 and the second fan 126, when the first fan 114 rotates, the external air enters the first cavity 113 from the air inlet 112 and flows upwards and contacts the fins 123, so that the temperature gradually decreases, and finally is discharged from the air outlet 111 at the top of the outer pipe 110, realizing blowing cold air; at the same time, the side wall of the transmission box 115 is provided with an air suction port 116 which is communicated with the outside, when the second fan 126 rotates, the external air can enter the second cavity 125 from the air suction port 116, the air in the second cavity 125 can contact the hot side of the refrigerating fin 122, so as to take away the heat in the second cavity 125 of the inner pipe 120, the hot air is discharged from the upper end of the inner pipe 120, therefore, when the first fan 114 and the second fan 126 rotate at the same time, the air flow directions in the first cavity 113 and the second cavity 125 are opposite, realizing the refrigeration process.

[0041] With reference to Figure 4 , the inner wall of the inner pipe 120 is provided with at least four planes 121, and each plane 121 is provided with at least one refrigerating fin 122, it can be understood that, since the refrigerating fin 122 is a flat plate type part, it is necessary to provide the plane 121 in the inner wall of the inner pipe 120 to fix the refrigerating fin 122, further, the inner pipe 120 can be provided as a polygon, so that the plurality of refrigerating fins 122 are fixed on the planes 121 of the inner wall, thereby realizing improving the refrigeration effect. Further, the axial length of the first cavity 113 is not less than three times the maximum inner diameter length of the outer pipe 110, at the same time, the axial length of the inner pipe 120 is not less than three times the maximum inner diameter length of the outer pipe 110, it can be understood that, the first cavity 113 is a space for providing external air to be cooled, increasing the axial length of the first cavity 113, so that the refrigerating fin 122 has a larger length, and the surface area of the fin 123 can be increased, thereby increasing the area of the refrigerating fin 122 and the refrigeration efficiency.

[0042] With reference to Figure 2 and Figure 4, the fins 123 are spirally arranged on the outer periphery of the inner tube 120, and it can be understood that when the first fan 114 rotates, a rotating air flow is generated in the first cavity 113, and the adjacent two fins 123 are spirally arranged to form a spiral channel, the air flow can flow along the extension direction of the channel, thereby improving the contact effect with the air flow, thereby improving the heat exchange efficiency and the refrigeration effect. Further, the maximum outer diameter of the fin 123 is not less than four fifths of the minimum inner diameter of the outer tube 110, which helps to improve the contact area of the fin 123 with the air, thereby improving the refrigeration effect. In this regard, the fin 123 is provided with an air passage groove 124, the air passage groove 124 extends along the radial direction of the first cavity 113, and the air passage groove 124 penetrates along the axis direction of the inner tube 120, so that the air entering from the air inlet 112 can pass through the air passage groove 124 along the axis direction of the inner tube 120, which helps to improve the flow efficiency of the air flow and reduce the air flow resistance.

[0043] With reference to Figure 6 and Figure 7 In the embodiments of the second aspect of the present application, a sun umbrella 100 is provided, comprising the above-mentioned refrigeration device, wherein the sun umbrella 100 further comprises a handle 101, the handle 101 has an inner cavity 103, the handle 101 is fixedly connected with the outer tube 110, and the inner cavity 103 is communicated with the second cavity 125, so that when the second fan 126 rotates, the air outside can be sucked into the second cavity 125 and take away the heat on the hot side of the refrigeration fin 122, and the air can be discharged from the top of the handle 101 through the inner cavity 103, thereby realizing the heat dissipation function. Further, the sun umbrella 100 is further provided with a base 102, the base 102 is fixed to the bottom of the outer tube 110, so that the sun umbrella 100 can be placed on the ground, and people can take a cool.

[0044] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the art without departing from the purpose of the present application.

Claims

1. A refrigeration apparatus, characterized by comprising: The application relates to a refrigeration device, comprising: an outer tube, two ends of which are respectively provided with an air inlet and an air outlet, one end of the outer tube being provided with a first fan; an inner tube fixed in the outer tube, a first cavity being formed between the radial outer wall of the inner tube and the inner wall of the outer tube, the inner tube being provided with a second cavity, the second cavity being provided with a second fan, a plurality of refrigeration fins being arranged on the inner wall of the inner tube, the refrigeration fins extending along the axial direction of the inner tube, the cold side of the refrigeration fins being in contact with the inner wall of the inner tube, and a plurality of fins being arranged on the outer wall of the inner tube. When the first fan rotates, external air can enter the first cavity from the air inlet, contact the fins and be discharged from the air outlet, and the second fan can discharge hot air in the second cavity to one end of the inner tube.

2. A refrigeration device according to claim 1, characterized in that The inner wall of the inner tube is provided with at least four planes, and at least one refrigeration fin is arranged in each plane.

3. A refrigeration device according to claim 1, characterized in that The first fan and the second fan are located at one end close to the air inlet.

4. A refrigeration device according to claim 1, characterized in that The fins are arranged in a spiral on the outer periphery of the inner tube, and the fins are provided with air passages extending in the radial direction of the first cavity.

5. A refrigeration device according to claim 4, characterized in that The maximum outer diameter of the fins is not less than four-fifths of the minimum inner diameter of the outer tube.

6. A refrigeration device according to claim 1, characterized in that One end of the outer tube is provided with a transmission box, and the transmission box is provided with a motor capable of driving the first fan and the second fan.

7. A refrigeration device according to claim 6, characterized in that The side wall of the transmission box is provided with an air suction port connected to the outside, and when the second fan rotates, external air can enter the second cavity from the air suction port.

8. A refrigeration device according to claim 1, characterized in that The axial length of the first cavity is not less than three times the maximum inner diameter length of the outer tube.

9. A refrigeration device according to claim 1, characterized in that The first fan and the second fan are coaxially arranged, and the first fan is located on the outer periphery of the second fan.

10. A sun umbrella characterized in that, The application relates to a refrigeration device, comprising: a handle provided with an inner cavity, the handle being fixedly connected with the outer tube, and the inner cavity being connected with the second cavity, and when the second fan rotates, external air can be sucked into the second cavity and take away the heat on the hot side of the refrigeration fins, and the air can be discharged from the top of the handle through the inner cavity.

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