Drug refrigeration cup

By setting up isolation areas and heat conductors in the drug refrigeration cup and combining a heat dissipation fan, the problem of high power demand in environmental heat exchange of semiconductor refrigeration devices is solved, and a stable refrigeration effect with low energy consumption is achieved, which is suitable for long-distance drug transportation.

WO2025156320A1PCT designated stage Publication Date: 2025-07-31ZHANG HUAJIAN
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Patent Information

Application Number
PCT/CN2024/075252
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-01-24
Filing Date
2024-02-01
Publication Date
2025-07-31

AI Technical Summary

Technical Problem

When maintaining the temperature of the cooling cup, the semiconductor refrigeration device needs to increase its power to resist environmental heat exchange, resulting in a decrease in the cooling effect.

Method used

A drug refrigeration cup was designed to prevent the cooling device from contacting the ring wall by setting up an isolation area in the medicine compartment, and combine the heat conduction parts and the cooling fan to improve the cooling efficiency and reduce energy consumption.

Benefits of technology

Maintain a stable low-temperature environment in the medicine compartment at low voltage, extend the refrigeration time of the medicine, reduce the number of charges, and meet the needs of long-distance travel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present utility model provides a drug refrigeration cup, comprising a cup and a refrigeration apparatus. The cup comprises a cup body provided with a drug compartment, and a cup cover adapted to seal the drug compartment, the cup cover comprising a first cover body and a second cover body. The second cover body comprises a mounting plate, a first ring wall, and a second ring wall. The first ring wall and the first cover body enclose to form a heat dissipation cavity, and the second ring wall is adapted to be detachably mounted on the cup body. The refrigeration apparatus comprises a semiconductor cooling chip provided with a cold end surface and a hot end surface, a cold conduction apparatus adapted to extend into the drug compartment, a heat conduction member mounted in the heat dissipation cavity, and a heat dissipation fan, the heat conduction member being adapted to be connected to the hot end surface, and the heat dissipation fan being mounted above the heat conduction member. The mounting plate comprises a mounting area adapted to be connected to the cold conduction apparatus, and an isolation area adapted to separate the second ring wall from the cold conduction apparatus. An opening area adapted to allow the cold end surface to be in contact with the cold conduction apparatus is provided in the mounting area. According to the present utility model, the isolation area is provided, such that heat transfer efficiency between environmental heat and the cold conduction apparatus is decreased, thereby improving the refrigeration effect of the refrigeration apparatus.
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Description

A medicine refrigeration cup Technical Field

[0001] The utility model belongs to the technical field of medicine, and in particular relates to a medicine refrigeration cup. Background Art

[0002] The existing Chinese patent application number CN202320902531.4 discloses a miniature biological sample transport cup, including a cold storage cup, a liquid filling port is opened on the top of the cold storage cup, and the cold storage cup is filled with refrigerant from the liquid filling port; a sample fixing hole is arranged around the outer side of the liquid filling port, and a cold storage cup cover is threaded and sealed on the top of the cold storage cup; the cold storage cup is arranged in an outer cup body, and an insulation cover or a semiconductor refrigeration device is connected to the top of the outer cup body, and the semiconductor refrigeration device can cool and keep the cold storage cup cold. Technical issues

[0003] In this scheme, the temperature of the cold end of the semiconductor refrigeration device drops rapidly, and the cold end, i.e., the sleeve, is inserted into the outer periphery of the cold storage cup to maintain the temperature of the cold storage cup. The sleeve is connected to the base, and the base is suitable for being exposed to the environment. Therefore, the semiconductor refrigeration device needs to increase the power to maintain the heat exchange generated by the sleeve through the base and the environment, or the cooling effect of the cold storage cup is reduced. Technical Solutions

[0004] In view of the above-mentioned defects of the prior art, the purpose of the present invention is to provide a medicine refrigeration cup to meet the needs of users.

[0005] To achieve the above object, the utility model provides a medicine refrigeration cup, comprising

[0006] The cup body comprises a cup body with a medicine chamber, and a cup cover suitable for closing the medicine chamber, wherein the cup cover comprises a first cover body and a second cover body, wherein the second cover body comprises a mounting plate and a first annular wall and a second annular wall provided on upper and lower sides of the mounting plate, wherein the first annular wall and the first cover body enclose a heat dissipation cavity, and the second annular wall is suitable for being detachably mounted on the cup body.

[0007] The refrigeration device includes a semiconductor refrigeration chip with a cold end surface and a hot end surface, a cooling device suitable for extending into the medicine cabin, a heat conducting member installed in the heat dissipation cavity, and a heat dissipation fan, wherein the heat conducting member is suitable for connecting to the hot end surface, and the heat dissipation fan is installed above the heat conducting member.

[0008] The mounting plate includes a mounting area suitable for connecting the cooling device and an isolation area suitable for separating the second annular wall and the cooling device. An opening area suitable for the cold end face to contact the cooling device is provided in the mounting area.

[0009] As a preferred embodiment, the cooling device includes a mounting end surface, the mounting area is composed of the mounting plate adapted to be in close contact with the mounting end surface, and the mounting end surface cooperates to define the isolation area, wherein:

[0010] The area of ​​the mounting plate is defined as a first area, the area of ​​the mounting region is defined as a second area, and the difference between the first area and the second area is defined as the area of ​​the isolation region, wherein the area of ​​the isolation region is not less than 0.5 square centimeters.

[0011] Alternatively, the mounting end surfaces are all circular and cooperate to define the annular isolation area, the radius of the mounting plate is defined as the first radius, the radius of the mounting area is defined as the second radius, the difference between the first radius and the second radius is defined as the annular diameter length of the isolation area, and the annular diameter length is 0.05 to 0.5 times the first radius.

[0012] As a preference: at least one of the following is met:

[0013] The operating voltage of the refrigeration device does not exceed 24V;

[0014] The diameter of the ring is not less than 1 mm;

[0015] The cooling device has at least one of a hollow cylindrical structure, a chain structure, a strip structure, a columnar structure or a mesh structure.

[0016] As a preference, the cooling device includes an integrally formed mounting end, the mounting end being formed with the mounting end surface, wherein:

[0017] The mounting end surface is bonded to the mounting plate or integrally formed by injection molding.

[0018] Alternatively, the mounting end is a solid structure, and the mounting end is fixedly connected to the mounting area by a plurality of vertically arranged bolts.

[0019] Preferably, the cooling device includes a detachable mounting end, the mounting end is formed with the mounting end surface, and the mounting end is integrally connected to the mounting area by insert injection molding.

[0020] Preferably, the second cover body also includes an inner annular wall extending downward from the isolation area, the inner annular wall and the second annular wall are coaxially arranged and enclose an isolation groove, the cup body includes a cup mouth with an external thread, the inner surface of the second annular wall is formed with an internal thread, the cup mouth is suitable for extending into the isolation groove and being threadedly connected to the second annular wall, and the isolation groove is suitable for filling with a sealing ring and / or thermal insulation material.

[0021] Preferably, the heat-conducting member includes a heat-conducting cavity and a plurality of radially arranged heat-conducting fins, the heat-conducting cavity includes a circular cavity bottom suitable for contacting the hot end surface, the heat-conducting fins include a first fin end and a second fin end, the first fin end surrounds the heat-conducting cavity to form a guide channel, and the cooling fan is coaxially arranged with the heat-conducting cavity.

[0022] Preferably, the first cover body includes an air inlet arranged on its upper surface and an air outlet arranged on its circumferential surface, the air outlet extends in a vertical direction and is suitable for being arranged corresponding to the gap between the two second wing ends, and the cooling fan is suitable for driving the air flow from the air inlet into the guide channel, and then flowing out of the air outlet in a dispersed manner through the gaps between the heat-conducting fins.

[0023] Preferably, the first cover body includes a plurality of air inlets arranged on its circumferential outer surface and air outlets arranged on its upper surface, the air inlets extend in a vertical direction and are suitable for being arranged corresponding to the gap between the two second wing ends, and the cooling fan is suitable for driving the air flow from the air inlet through the gap between the heat-conducting fins to merge into the guide channel and then flow out of the air outlet.

[0024] Preferably, the first cover body includes a plurality of air outlets and air inlets arranged on its circumferential outer surface, the air inlets and the air outlets both extend in a vertical direction, and the air outlets are arranged above or below the air outlets, and the air outlets or the air inlets are arranged corresponding to the gap between the two second wing ends. Accordingly, the cooling fan is suitable for driving the airflow from the air inlet through the gap between the heat-conducting fins to flow into the guide channel and then out of the air outlet, or the cooling fan is suitable for driving the airflow from the air inlet to flow into the guide channel and then out of the air outlet through the gap between the heat-conducting fins.

[0025] Preferably, the cooling fan is installed in the space above the first cover body, the heat-conducting fins include a plurality of first heat-conducting fins and a plurality of second heat-conducting fins suitable for fixing the heat-conducting member to the mounting plate by screws, and the second heat-conducting fins are evenly spaced apart from the first heat-conducting fins.

[0026] Preferably, the second wing end of the first thermally conductive fin is forked to form a plurality of unit fins, the second wing end of the second thermally conductive fin is formed with a mounting groove suitable for accommodating the screw, and the mounting plate includes a mounting column aligned with the mounting groove, and the mounting column is threadedly engaged with the screw.

[0027] Preferably, the device further comprises a screen obliquely arranged at the intersection of the upper surface and the circumferential surface of the first shell, and a control circuit board arranged around the cooling fan, wherein the control circuit board is electrically connected to the screen, the semiconductor refrigeration element and the cooling fan, and the screen is suitable for displaying the working status of the cooling device and / or for controlling the start and stop of the cooling device;

[0028] The control circuit further includes a power supply interface, which is suitable for being directly powered by an external power source, or the power supply interface is suitable for being powered by a battery built into the heat dissipation cavity. Beneficial effects

[0029] By setting up an isolation zone, the cooling device is prevented from directly contacting or being too close to the second ring wall, thereby reducing the heat conduction efficiency between the heat in the environment and the cooling device, improving the cooling effect of the refrigeration device, and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] FIG1 is a schematic structural diagram of a medicine refrigeration cup provided by the present invention.

[0031] FIG2 is a schematic diagram of an explosion of a medicine refrigeration cup provided by the present invention.

[0032] FIG3 is a cross-sectional schematic diagram of a medicine refrigeration cup provided by the present invention.

[0033] FIG4 is an enlarged schematic diagram of a local area in FIG3 .

[0034] FIG5 is a schematic structural diagram of the second cover provided by the present invention.

[0035] FIG6 is a schematic structural diagram of the heat conducting member provided by the present invention.

[0036] In the figure, the cup body 101, the cup cover 102, the medicine chamber 103, the first cover body 104, the second cover body 105, the mounting plate 106, the first annular wall 107, the second annular wall 108, the semiconductor refrigeration chip 109, the cooling device 110, the heat dissipation cavity 111, the heat conducting member 112, the cooling fan 113, the mounting area 114, the isolation area 115, the opening area 116, the mounting end 117, the inner annular wall 118, the isolation groove 119, the cup mouth 120, the sealing ring 121, the heat conduction cavity 122, the first wing end 123, the second wing end 124, the air outlet 125, the air inlet 126, the first heat conduction fin 127, the second heat conduction fin 128, the unit fin 129, the mounting groove 130, the mounting column 131, the screen 132, the control circuit board 133, and the power interface 134. Modes for Carrying Out the Invention

[0037] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] It should also be noted here that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme of the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0039] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0040] As shown in Figures 1-6, a medicine refrigeration cup includes a cup body and a refrigeration device. The cup body includes a cup body 101 with a medicine chamber 103 and a cup cover 102 suitable for sealing the medicine chamber 103. The cup cover 102 includes a first cover 104 and a second cover 105. The second cover 105 includes a mounting plate 106 and a first annular wall 107 and a second annular wall 108 arranged on the upper and lower sides of the mounting plate 106. The first annular wall 107 and the first cover 104 enclose a heat dissipation cavity 111, and the second annular wall 108 is suitable for being detachably mounted on the cup body 101. The refrigeration device includes a The device comprises a semiconductor refrigeration chip 109 with a cold end face and a hot end face, a cooling device 110 adapted to extend into the medicine chamber 103, a heat conductor 112 mounted in a heat dissipation cavity 111, and a cooling fan 113. The heat conductor 112 is adapted to connect to the hot end face, and the cooling fan 113 is mounted above the heat conductor 112. The mounting plate 106 includes a mounting area 114 adapted to connect to the cooling device 110 and an isolation area 115 adapted to separate the second annular wall 108 from the cooling device 110. The mounting area 114 includes an opening 116 adapted to allow contact between the cold end face and the cooling device 110. The operating voltage of the refrigeration device is 5V. The provision of the isolation area 115 allows the refrigeration device to maintain a stable low-temperature environment within the medicine chamber 103 even at a lower operating voltage. This also extends the operating time of the medicine refrigeration cup, saves energy, reduces charging times, and meets the user's medication storage needs during long-distance travel.

[0041] In this embodiment, the cooling device 110 includes an integrally formed mounting end 117 and a hollow cylindrical structure extending downward from the mounting end 117. It is understandable that the cooling device may also include a chain structure, a strip structure, a columnar structure, or a mesh structure extending downward from the mounting end 117, that is, the shape of the cooling device 110 should not constitute a limitation to the scheme. The mounting end 117 is formed with a mounting end 117 surface, and the mounting area 114 is composed of a mounting plate 106 suitable for being close to the mounting end 117 surface. The mounting plate 106 and the mounting end 117 surface are both circular and cooperate to define a circular isolation area 115. The radius of the mounting plate 106 is defined as a first radius, the radius of the mounting area 114 is defined as a second radius, and the difference between the first radius and the second radius is defined as the circular ring length of the isolation area 115. The circular ring length is 4 mm, which is 0.25 times the first radius. Furthermore, the mounting end 117 is a solid structure, and the mounting end 117 and the mounting area 114 are fixedly connected by a number of vertically arranged bolts.

[0042] In some other embodiments, the isolation area 115 may also be square, the area of ​​the mounting plate is defined as the first area, the area of ​​the mounting area is defined as the second area, the difference between the first area and the second area is defined as the area of ​​the isolation area, and the area of ​​the isolation area is 1.5 square centimeters.

[0043] In this embodiment, the second cover body 105 also includes an inner annular wall 118 extending downward from the isolation area 115. The inner annular wall 118 is coaxially arranged with the second annular wall 108 and encloses an isolation groove 119. The cup body 101 includes a cup mouth 120 with an external thread. The inner surface of the second annular wall 108 is formed with an internal thread. The cup mouth 120 is suitable for extending into the isolation groove 119 and being threadedly connected to the second annular wall 108. The isolation groove 119 is suitable for filling a sealing ring 121.

[0044] In this embodiment, the heat conducting member 112 includes a heat conducting cavity 122 and a plurality of radially arranged heat conducting fins. The heat conducting cavity 122 includes a circular bottom adapted to contact the hot end surface. The heat conducting fins include a first fin end 123 and a second fin end 124. The first fin end 123 surrounds the heat conducting cavity 122 to form a flow channel. The cooling fan 113 is a radial flow fan and is coaxially arranged with the heat conducting cavity 122. The first cover 104 includes a plurality of air outlets 125 disposed on its circumferential outer surface and an air inlet 126 disposed on its upper surface. The air outlets 125 extend vertically and are adapted to correspond to the gaps between the two second fin ends 124. The cooling fan 113 is adapted to drive airflow from the air inlet 126 into the flow channel, where it then disperses and flows out of the air outlet 125 through the gaps between the heat conducting fins.

[0045] In this embodiment, the cooling fan 113 is installed in the space above the first cover 104. The thermally conductive fins include a plurality of first thermally conductive fins 127 and a plurality of second thermally conductive fins 128 suitable for securing the heat conducting member 112 to the mounting plate 106 via screws. The second thermally conductive fins 128 are evenly spaced apart from the first thermally conductive fins 127. The second fin ends 124 of the first thermally conductive fins 127 are bifurcated to form a plurality of unit fins 129. The second fin ends 124 of the second thermally conductive fins 128 are formed with mounting slots 130 suitable for receiving screws. The mounting plate 106 includes mounting posts 131 aligned with the mounting slots 130, which engage with the screw threads.

[0046] In this embodiment, a screen 132 is obliquely provided at the intersection of the upper surface and the circumferential surface of the first shell, and a control circuit board 133 is arranged around the cooling fan 113. The control circuit board 133 is electrically connected to the screen 132, the semiconductor refrigeration component and the cooling fan 113. The screen 132 is suitable for displaying the working status of the refrigeration device and for controlling the start and stop of the refrigeration device. The control circuit also includes a power interface 134. The power interface 134 is suitable for direct power supply from an external power source, or the power interface 134 is suitable for powering a battery (not shown in the figure) built into the heat dissipation cavity 111 with an external power source.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A drug refrigeration cup, characterized in that, including a cup body, which includes a cup body having a medicine cabin and a cup cover adapted to close the medicine cabin. The cup cover includes a first cover body and a second cover body. The second cover body includes a mounting plate and a first ring wall and a second ring wall disposed on the upper and lower sides of the mounting plate. The first ring wall and the first cover body enclose a heat dissipation cavity, and the second ring wall is adapted to be detachably mounted on the cup body. a refrigeration device, which includes a semiconductor refrigeration chip having a cold end face and a hot end face, a heat conduction device adapted to extend into the medicine cabin, a heat conduction member mounted in the heat dissipation cavity, and a heat dissipation fan. The heat conduction member is adapted to connect the hot end face, and the heat dissipation fan is mounted above the heat conduction member. The mounting plate includes a mounting area adapted to connect the heat conduction device and an isolation area adapted to separate the second ring wall from the heat conduction device. An opening area is formed in the mounting area for the cold end face to contact the heat conduction device.

2. The drug refrigerating cup according to claim 1, wherein The heat conduction device includes a mounting end face. The mounting area is composed of the mounting plate adapted to closely adhere to the mounting end face. The mounting plate, the mounting end face and cooperate to define the isolation area, wherein defining the area of the mounting plate as the first area, defining the area of the mounting area as the second area, defining the difference between the first area and the second area as the area of the isolation area, and the area of the isolation area is not less than 0.5 square centimeters; or, the mounting end faces are all circular and cooperate to define the annular isolation area. Defining the radius of the mounting plate as the first radius, defining the radius of the mounting area as the second radius, and defining the difference between the first radius and the second radius as the annular diameter length of the isolation area. The annular diameter length is 0.05 times to 0.5 times of the first radius.

3. The drug refrigerating cup according to claim 2, characterized in that, at least one of the following is satisfied: the working voltage of the refrigeration device does not exceed 24V; the annular diameter length is not less than 1mm; the heat conduction device has at least one of a hollow cylinder structure, a chain structure, a strip structure, a columnar structure or a mesh structure.

4. A drug refrigeration cup according to claim 2 or 3, characterized in that, The heat conduction device includes an integrally formed mounting end, and the mounting end forms the mounting end face, wherein the mounting end face is adhesively connected or injection molded integrally with the mounting plate, or, the mounting end is a solid structure, and the mounting end and the mounting area are fixedly connected by a plurality of vertically arranged bolts.

5. A drug refrigerated cup according to claim 4, characterized in that, The heat conduction device includes a detachable mounting end, the mounting end forms the mounting end face, and the mounting end and the mounting area are integrally connected by insert injection molding.

6. The drug refrigerating cup according to claim 5, wherein The heat conduction member includes a heat conduction cavity and a plurality of radially arranged heat conduction fins. The heat conduction cavity includes a circular cavity bottom adapted to contact the hot end face. The heat conduction fins include a first fin end and a second fin end. The first fin end surrounds the heat conduction cavity to form a diversion channel, and the heat dissipation fan is coaxially arranged with the heat conduction cavity.

7. The drug refrigeration cup according to claim 6, wherein The first cover body includes an air inlet provided on its upper surface and an air outlet provided on its circumferential surface. The air outlet extends in the vertical direction and is adapted to be disposed corresponding to the gap between the two second fin ends. The cooling fan is adapted to drive air flow to converge from the air inlet into the diversion channel and then flow out of the air outlet dispersedly through the gaps between the heat conducting fins. Alternatively, the first cover body includes a plurality of air inlets provided on its outer circumferential surface and an air outlet provided on its upper surface. The air inlets extend in the vertical direction and are adapted to be disposed corresponding to the gap between the two second fin ends. The cooling fan is adapted to drive air flow to flow out of the air outlet after converging from the air inlets through the gaps between the heat conducting fins into the diversion channel. Alternatively, the first cover body includes a plurality of air outlets and air inlets provided on its outer circumferential surface. Both the air inlets and the air outlets extend in the vertical direction, and the air outlet is disposed above or below the air inlet. The air outlet or the air inlet is disposed corresponding to the gap between the two second fin ends. Correspondingly, the cooling fan is adapted to drive air flow to flow out of the air outlet after converging from the air inlets through the gaps between the heat conducting fins into the diversion channel, or the cooling fan is adapted to drive air flow to flow out of the air outlet through the gaps between the heat conducting fins after converging from the air inlets into the diversion channel.

8. A drug refrigerated cup according to claim 7, characterized in that, The cooling fan is installed in the upper space of the first cover body. The heat conducting fins include a plurality of first heat conducting fins and a plurality of second heat conducting fins adapted to fix the heat conducting member to the mounting plate by screws. The second heat conducting fins are evenly spaced from the first heat conducting fins.

9. The drug refrigerating cup according to claim 8, characterized in that, The second fin ends of the first heat conducting fins are bifurcated to form a plurality of unit fins. The second fin ends of the second heat conducting fins are formed with mounting grooves adapted to receive the screws. The mounting plate includes mounting posts aligned with the mounting grooves, and the mounting posts are in threaded engagement with the screws.

10. A drug refrigerating cup according to claim 9, characterized in that, It further includes a screen obliquely disposed at the intersection of the upper surface and the circumferential surface of the first housing, and a control circuit board surrounding the cooling fan. The control circuit board is electrically connected to the screen, the semiconductor refrigeration component and the cooling fan. The screen is adapted to display the working state of the refrigeration device and / or is adapted to control the start and stop of the refrigeration device. The control circuit further includes a power interface. The power interface is adapted to be directly powered by an external power supply, or the power interface is adapted to supply power to a battery built in the heat dissipation cavity by an external power supply.

Citation Information

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