CN219713750U

CN219713750U - Refrigerating box

Info

Publication number: CN219713750U
Application number: CN202320600073.9U
Authority: CN
Inventors: 廖爱群; 谢逸飞; 饶国燃
Original assignee: Beijing Institute of Technology Zhuhai
Current assignee: Beijing Institute of Technology Zhuhai
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-09-19
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a refrigerator, which belongs to the technical field of medical medicine refrigeration, and comprises an upper cover, a box body, a temperature sensor, a semiconductor refrigerator and a driving panel, wherein the top of the box body is provided with an opening, and the upper cover is movably arranged at the top of the box body; the temperature sensor is positioned on the box body, and at least one part of the temperature sensor extends into the box body; the semiconductor refrigerator is connected with the box body, the refrigerating surface of the semiconductor refrigerator faces into the box body, and the heating surface of the semiconductor refrigerator faces out of the box body; the driving panel is connected with the box body, the display surface of the driving panel is positioned on the top side surface outside the box body, and the driving panel is respectively and electrically connected with the semiconductor refrigerator and the temperature sensor; when the temperature in the box body is higher than a high threshold value, sending an electric signal to a driving panel to drive a semiconductor refrigerator to perform refrigeration; when the temperature in the box body is lower than the low threshold value, the driving panel receives the electric signal to turn off the semiconductor refrigerator; the inside of the box body is maintained within a preset temperature range.

Description

Refrigerating box

Technical Field

The utility model belongs to the technical field of medical medicine refrigeration, and particularly relates to a refrigerator.

Background

With the popularization and mass use of vaccines in recent years, vaccines have increased immunity to some diseases. However, most vaccines are biological agents and the vaccine generally needs to be stored in an environment with a fixed temperature range, so that too high or too low a temperature is detrimental to storage. The existing vaccine preservation mode is to place a water ice bag in the box body, and although the vaccine can be preserved for a period of time by the mode, the vaccine cannot be kept at constant temperature in the box body, so that the vaccine can be stored for a short time.

Disclosure of Invention

The utility model aims to provide a refrigerator, which can improve the continuous constant temperature time of vaccine in the refrigerator and improve the storage time of the vaccine.

The technical scheme is as follows:

a refrigerator, comprising:

an upper cover is arranged on the upper cover,

the top of the box body is provided with an opening, and the upper cover is movably arranged at the top of the box body;

the temperature sensor is positioned on the box body, and at least one part of the temperature sensor stretches into the box body;

the semiconductor refrigerator is connected with the box body, the refrigerating surface of the semiconductor refrigerator faces into the box body, and the heating surface of the semiconductor refrigerator faces out of the box body;

the driving panel is connected with the box body, the display surface of the driving panel is positioned on the top side surface outside the box body, and the driving panel is respectively and electrically connected with the semiconductor refrigerator and the temperature sensor.

In one embodiment, the semiconductor refrigerator comprises a radiating fin and a semiconductor refrigerating fin, wherein the refrigerating surface of the semiconductor refrigerating fin stretches into the box body, and the radiating fin is arranged on the outer wall of the box body;

the heating surface of the semiconductor refrigerating sheet is connected with the radiating sheet, and the contact surface of the heating surface and the radiating sheet is coated with a layer of heat-conducting silicone grease.

In one embodiment, a plurality of groups of brine bags are arranged in the box body, the plurality of groups of brine bags are arranged on the inner wall of the box body, and the plurality of groups of brine bags are arranged along the length direction of the box body.

In one embodiment, the upper cover is in sliding fit with the top of the case.

In one embodiment, the upper cover includes a first cover body and a second cover body, wherein one side of the first cover body and one side of the second cover body are respectively provided with a guide groove, and the guide grooves are arranged in an extending manner along the moving direction of the first cover body or the second cover body; two supporting rods are arranged on the side wall of the box body, guide blocks matched with the guide grooves are arranged at the upper ends of the two supporting rods, and the guide blocks are positioned in the guide grooves;

the first cover body or the second cover body is far away from one end of the supporting rod and is provided with a first stop block, and the first stop block is used for being abutted to the guide block.

In one embodiment, the guide block is provided with a groove and a ball, and the length direction of the groove is extended along the moving direction of the first cover body or the second cover body; the ball is located in the groove, the outer diameter of the ball is larger than the depth of the groove, and the guide block is in rolling fit with the guide groove through the ball.

In one embodiment, a locking element is arranged between the first cover body and the second cover body; the first cover body and the second cover body are respectively provided with a second stop block at two ends far away from the locking piece, and the second stop blocks are used for being abutted with the guide blocks.

In one embodiment, the locking element comprises a locking hook and a locking groove, and the middle part of the locking hook is hinged with the first cover body; the locking groove is arranged at the end part of the second cover body; the shape of the front end of the lock hook is matched with the shape of the lock groove.

In one embodiment, the refrigerator further includes an elastic member, the elastic member is located between the rear end of the latch hook and the upper end face of the first cover body, and the elastic member is fixed at the rear end of the latch hook;

and/or the elastic piece is fixed on the upper end face of the first cover body.

In one embodiment, a sliding groove is formed in the bottom of the upper cover, a guide rail matched with the sliding groove is arranged at the upper end of the box body, and the guide rail is in sliding fit with the sliding groove.

The technical scheme provided by the utility model has the following advantages and effects:

1. the semiconductor refrigerator is adopted to reduce the temperature in the refrigerator, and has smaller volume, and the semiconductor refrigerator has lower power consumption compared with the existing compressor and condenser, so that the refrigerator is convenient for long-time transportation; the temperature sensor is adopted to sense the temperature in the box body, and when the temperature in the box body is higher than a high threshold value, the temperature sensor sends an electric signal to the driving panel so as to drive the semiconductor refrigerator to perform refrigeration; when the temperature in the box body is lower than the low threshold value, the driving panel receives the electric signal to turn off the semiconductor refrigerator; the temperature of the box body can be displayed on the display surface of the drive panel, so that the observation is convenient.

2. The refrigerator is miniaturized by adopting the semiconductor refrigerating sheets, and heat emitted by the semiconductor refrigerating sheets is effectively conducted to the radiating sheets by the heat conduction silicone grease, so that the radiating efficiency of the semiconductor refrigerator is improved by the radiating sheets, and the refrigerating efficiency is further improved.

3. The saline solution is utilized to delay the melting time of the saline bag after solidification, and the melting point of the saline after solidification is lower, so that the saline can be maintained below 0 ℃ for a longer time, and the storage time of the vaccine is further prolonged.

4. When the upper cover is slid, air disturbance in the box body is reduced, air cold-heat exchange inside and outside the box body is avoided, and temperature loss in the box body is reduced.

5. When the upper cover is moved, the guide block is positioned in the guide groove, the guide block limits the moving direction of the upper cover, the stability of the upper cover is improved, and the first cover body and the second cover body are prevented from falling out of the box body by adopting the first stop block.

6. The sliding fit of the upper cover and the box body is changed into rolling fit, so that the sliding friction force of the upper cover is reduced, the acting force for pushing the first cover body or the second cover body is reduced, and the use is more convenient.

7. The locking piece is matched with the second stop block, so that the stability of the first cover body and the second cover body is improved when the first cover body and the second cover body are closed; the first cover body and the second cover body are prevented from moving to open the refrigerator body when the refrigerator is transported; and the heat exchange and the cold exchange of the air inside and outside the box body are avoided.

8. The locking piece has a simple structure, so that the first cover body or the second cover body is more convenient to open.

9. The elastic piece capable of resetting the front end of the latch hook is adopted, so that the reliability of the locking piece is further improved when the refrigerator is transported.

Drawings

Fig. 1 is a side view of a cooler bin in an embodiment of the utility model.

Fig. 2 is a top view of an opened cooling box according to an embodiment of the present utility model.

FIG. 3 is a cross-sectional view of a-a of a cooler bin in one embodiment of the utility model.

FIG. 4 is a b-b cross-sectional view of the cooler bin in one embodiment of the utility model.

Fig. 5 is an enlarged view of a portion of the cooling tank of fig. 3 at a in accordance with an embodiment of the present utility model.

Fig. 6 is an enlarged view of part B of fig. 4 of the cooler bin in an embodiment of the utility model.

Fig. 7 is a schematic view of a cooling tank in another embodiment of the utility model.

Reference numerals illustrate:

1. a case; 11. a chamber; 12. a guide rail; 2. an upper cover; 21. a first cover; 211. a guide groove; 212. a receiving groove; 213. a bracket; 22. a second cover; 23. a support rod; 24. a locking groove; 25. a latch hook; 251. an elastic member; 26. a guide block; 261. a ball; 262. a groove; 27. a first stopper; 28. a chute; 29. a second stopper; 3. a semiconductor refrigerator; 31. a heat sink; 32. a semiconductor refrigeration sheet; 33. heat conductive silicone grease; 4. a driving panel; 5. a brine bag; 6. a temperature sensor.

Detailed Description

In order that the utility model may be readily understood, a more particular description of specific embodiments thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As used herein, the terms "first and second …" are used merely to distinguish between names and not to represent a particular number or order unless otherwise specified or defined.

The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items, unless specifically stated or otherwise defined.

The term "fixed" or "connected" as used herein may be directly fixed or connected to an element, or indirectly fixed or connected to an element.

As shown in fig. 1 to 6, a refrigerator comprises an upper cover 2, a box body 1, a temperature sensor 6, a semiconductor refrigerator 3 and a driving panel 4, wherein the top of the box body 1 is provided with an opening, and the upper cover 2 is movably arranged at the top of the box body 1; the temperature sensor 6 is positioned on the box body 1, and at least one part of the temperature sensor extends into the box body 1; the semiconductor refrigerator 3 is connected with the box body 1, the refrigerating surface of the semiconductor refrigerator 3 faces into the box body 1, and the heating surface of the semiconductor refrigerator 3 faces out of the box body 1; the driving panel 4 is connected with the box 1, the display surface of the driving panel 4 is positioned on the top side surface outside the box 1, and the driving panel 4 is respectively and electrically connected with the semiconductor refrigerator 3 and the temperature sensor 6. The temperature sensor 6 is used for sensing the temperature in the box 1, and generating an electrical signal to send to the driving panel 4, so that the driving panel 4 starts or shuts down the semiconductor refrigerator 3.

In the use process, when the temperature sensor 6 senses that the temperature in the box body 1 is higher than a high threshold value, the driving panel 4 drives the semiconductor refrigerator 3 to refrigerate the cavity 11 of the box body 1; when the temperature sensor 6 senses that the temperature in the case 1 is lower than the low threshold value, the driving panel 4 drives the semiconductor refrigerator 3 to stop cooling the case 1. The temperature sensor 6 is adopted to monitor the temperature in the box body 1, and when the temperature in the box body 1 is too low, the semiconductor refrigerator 3 stops working, so that the consumption of the electric quantity of a mobile power supply is avoided; when the temperature in the refrigerator body 1 is too high, the semiconductor refrigerator 3 starts to operate, so that the inside of the refrigerator body 1 is maintained within a preset temperature range, and the continuous constant temperature time of the vaccine in the refrigerator is improved.

In order to further improve the space utilization rate and the refrigerating effect in the box body 1; a plurality of groups of salt water bags 5 are arranged in the box body 1, a plurality of groups of salt water bags 5 are arranged in number, the salt water bags 5 are arranged on the inner wall of the box body 1, and the salt water bags 5 are arranged along the length direction of the box body 1; when using salt water bag 5, semiconductor refrigeration piece 32 only need freeze salt water bag 5, can make the space refrigeration effect in the box 1 more even, and install multiunit salt water bag 5 in the inner wall of box 1, make the vaccine place in box 1, and the overall arrangement of vaccine and salt water bag 5 is more reasonable, and salt water bag 5 seals salt water moreover, avoids salt water exudation to corrode box 1.

The brine in the brine bag 5 in the box body 1 is constant in temperature, and the constant principle is that when the concentration of the brine in the solution is lower, the solidification temperature is reduced along with the increase of the concentration, and when the concentration is higher than a certain value, the solidification temperature is increased along with the increase of the concentration. That is, when the salt water concentration is lower than the crystallization point concentration and the temperature is lower than the salt precipitation temperature of the concentration and higher than the crystallization point temperature, ice is precipitated, and the solution concentration is increased; when the salt concentration is higher than the crystallization point concentration and the temperature is lower than the salt precipitation temperature of the concentration and higher than the crystallization point temperature, salt is precipitated, and the solution concentration is reduced. The melting time of the brine bags 5 after solidification is delayed by utilizing the relationship of the concentration of brine solution and the crystal point; in addition, the melting point of the solidified brine is lower, the solidified brine can be maintained below 0 ℃ for a longer time, the temperature of the brine ice bag 5 is lower than that of the pure water ice bag under the condition of refrigerating by the semiconductor refrigerator 3, the heat preservation effect is better, and the continuous constant temperature time of the vaccine in the refrigerator can be further improved.

In order to further improve the refrigerating effect in the cabinet 1; the semiconductor refrigerator 3 comprises a radiating fin 31 and a semiconductor refrigerating fin 32, the refrigerating surface of the semiconductor refrigerating fin 3 stretches into the box body 1, the heating surface of the semiconductor refrigerating fin 32 is connected with the radiating fin 31, and the contact surface of the semiconductor refrigerating fin 32 and the radiating fin 31 is coated with a layer of heat-conducting silicone grease 33. The semiconductor refrigeration sheet 32 is used for reducing the temperature in the box body 1; the semiconductor cooling fin 32, also called a thermoelectric cooling fin, is a heat pump; the method is mainly applied to occasions with high reliability requirements and no refrigerant pollution in some smaller spaces; by utilizing the Peltier effect of the semiconductor materials, when direct current passes through a couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the couple respectively, and the purpose of refrigeration can be realized. The heat dissipation plate 31 is used for diffusing hot air on the outer wall of the box body 1, the heat dissipation plate 31 is a device which is easy to generate thermal electronic elements in an electric appliance to dissipate heat, and in use, a layer of heat conduction silicone grease 33 is coated on the contact surface of the semiconductor refrigeration plate 32 and the heat dissipation plate 31, so that heat emitted by the semiconductor refrigeration plate 32 is more effectively conducted to the heat dissipation plate 31 and then dissipated into surrounding air through the heat dissipation plate 31, the heat dissipation efficiency of the semiconductor refrigeration plate 32 is improved, and the refrigeration efficiency of the semiconductor refrigerator 3 is further improved.

The upper cover 2 is in sliding fit with the top of the box body 1; the upper cover 2 has a moving path moving laterally or vertically at an upper end of the case 1, and the upper cover 2 is used to open or close the case 1. The upper cover 2 is adopted to be in sliding fit with the box body 1, vaccine in the box body 1 can be taken out by opening the upper cover 2, the movable overground cover 2 is used for a cover body which is opened by conventional overturning, air disturbance caused by moving the upper cover 2 is small, cold air in the box body 1 is prevented from overflowing under the air disturbance, cold and hot air inside and outside the box body 1 is prevented from being subjected to cold and heat exchange greatly, and then the energy-saving effect can be achieved. In order to facilitate rapid removal of the vaccine from the housing 1; the upper cover 2 comprises a first cover body 21 and a second cover body 22, one side of the first cover body 21 and one side of the second cover body 22 are respectively provided with a guide groove 211, and the guide grooves 211 are arranged in an extending manner along the moving direction of the first cover body 21 or the second cover body 22; the side wall of the box body 1 is provided with two supporting rods 23, and the upper ends of the two supporting rods 23 are respectively provided with a guide block 26 matched with the guide groove 211, so that when the first cover body 21 and the second cover body 22 are moved, the disturbance of cold air in the box body 1 is avoided, and the energy-saving effect is achieved.

In order to improve the stability of the upper cover 2 during moving, the guide blocks 26 are located in the guide grooves 211, the guide blocks 26 are used for limiting the moving direction of the first cover body 21 or the second cover body 22, one end, far away from the supporting rod 23, of the first cover body 21 or the second cover body 22 is provided with a first stop block 27, the first stop block 27 is used for being abutted with the guide blocks 26, and a moving path, close to or far away from each other, is formed between the first cover body 21 and the second cover body 22. The guide groove 211 is arranged at one side of the first cover body 21 and the second cover body 22, the supporting rod 23 with the guide block 26 is arranged on the side wall of the box body 1, the guide block 26 is positioned in the guide groove 211, the guide block 26 can limit the moving direction of the first cover body 21 and the second cover body 22, and the stability of the first cover body 21 and the second cover body 22 during moving is improved. Since the vaccine is generally placed in the middle of the case 1, when the first cover 21 and the second cover 22 are far away from each other, the case 1 can be opened, thereby facilitating rapid extraction of the vaccine; when the first cover 21 and the second cover 22 are moved to a predetermined distance, the guide block 26 abuts against the first stopper 27, and the first cover 21 and the second cover 22 are prevented from falling out of the case 1.

To reduce the force required to move the first cover 21 and the second cover 22; the upper end of the guide block 26 is provided with a groove 262 and a plurality of balls 261, and the length direction of the groove 262 is extended along the moving direction of the first cover body 21 or the second cover body 22; the plurality of balls 261 are located in the grooves 262, and the outer grooves 262 of the balls 261 can limit the moving direction of the balls 261, so as to prevent the balls 261 from falling from the guide blocks 26, so that the sliding friction between the first cover 21 or the second cover 22 and the guide blocks 26 is changed into rolling friction, and the acting force required by the movement of the first cover 21 or the second cover 22 is reduced.

In order to solve the technical problem that the upper cover 2 is easy to slide on the refrigerator body 1 when the refrigerator is transported; a locking piece is arranged between the first cover body 21 and the second cover body 22 and is used for locking the first cover body 21 and the second cover body 22; the first cover 21 and the second cover 22 are provided with second stoppers 29 at both ends away from the locking member, the second stoppers 29 being adapted to abut against the guide blocks 26. When the first cover body 21 and the second cover body 22 are locked by adopting the locking piece, the outer ends of the first cover body 21 or the second cover body 22 are propped against the guide block 26 through the second stop block 29; when the refrigerator body 1 is transported, the first cover body 21 and the second cover body 22 are not easy to slide on the refrigerator body 1, and the sealing performance of the refrigerator during transportation can be improved.

In order for the locking member to quickly lock the first cover 21 and the second cover 22; the locking piece comprises a locking hook 25 and a locking groove 24, and the middle part of the locking hook 25 is hinged with the first cover body 21; the lock groove 24 is provided at an end of the second cover 22; the front end of the latch hook 25 is shaped to match the shape of the latch groove 24, and the rear end of the first cover 21 is pressed to separate the front end of the latch hook 25 from the latch groove 24. The lock groove 24 is hooked by the lock hook 25, so that the first cover body 21 and the second cover body 22 are in a closed state, and the first cover body 21 and the second cover body 22 can be opened by pressing the rear end of the lock hook 25, so that the convenience of the first cover body 21 and the second cover body 22 is further improved.

To further improve the reliability of the closure; the rear end of the latch hook 25 is provided with an elastic member 251 for resetting the front end of the latch hook 25, and the elastic member 251 is mounted on the upper end of the first cover 21. The front end of the latch hook 25 is reset by adopting the elastic piece 251, when the first cover body 21 and the second cover body 22 are closed, the front end of the latch hook 25 is positioned in the latch groove 24, so that the latch hook 25 and the latch groove 24 are prevented from being separated due to jolt of the box body 1 in the moving process, and the reliability of the locking piece is improved. Further, the first cover 21 is provided with a receiving groove 212 for receiving the latch hook 25 and a bracket 213, and the elastic member 251 is provided away from the bracket 213, so that the latch hook 25 forms a lever structure on the first cover 21.

In another embodiment, as shown in fig. 7, in order to simplify the structure of the upper cover 2, to improve the processing efficiency of the refrigerator; the bottom of the upper cover 2 is provided with a chute 28, the upper end of the box body 1 is provided with a guide rail 12 matched with the chute 28, and the guide rail 12 is in sliding fit with the chute 28. The sliding groove 28 is directly arranged at the bottom of the upper cover 2, and the guide rail 12 is arranged at the upper end of the box body 1, so that the upper cover 2 can move on the box body 1, and meanwhile, the disturbance to the air in the box body 1 can be reduced, and the energy-saving effect is achieved; the structure of the upper cover 2 in this embodiment is relatively simple and convenient to manufacture.

The above examples are also not an exhaustive list based on the utility model, and there may be a number of other embodiments not listed. Any substitutions and modifications made without departing from the spirit of the utility model are within the scope of the utility model.

Claims

1. The fridge, its characterized in that includes:

an upper cover is arranged on the upper cover,

the driving panel is connected with the box body, the display surface of the driving panel is positioned on the top side surface outside the box body, and the driving panel is respectively and electrically connected with the semiconductor refrigerator and the temperature sensor;

the semiconductor refrigerator comprises a radiating fin and a semiconductor refrigerating fin, wherein the refrigerating surface of the semiconductor refrigerating fin stretches into the box body, and the radiating fin is arranged on the outer wall of the box body;

the heating surface of the semiconductor refrigerating sheet is connected with the radiating sheet, and the contact surface of the heating surface and the radiating sheet is coated with a layer of heat-conducting silicone grease;

the box body is internally provided with a plurality of groups of brine bags, a plurality of groups of brine bags are arranged on the inner wall of the box body, and a plurality of groups of brine bags are arranged along the length direction of the box body.

2. The cooler of claim 1, wherein said upper cover is slidably engaged with a top portion of said housing.

3. The refrigerator as claimed in claim 2, wherein the upper cover includes a first cover body and a second cover body, one sides of the first cover body and the second cover body are provided with guide grooves, and the guide grooves are extended along a moving direction of the first cover body or the second cover body; two supporting rods are arranged on the side wall of the box body, guide blocks matched with the guide grooves are arranged at the upper ends of the two supporting rods, and the guide blocks are positioned in the guide grooves;

4. The refrigerator as claimed in claim 3, wherein the guide block is provided at an upper end thereof with a groove and a ball, and a length direction of the groove is extended along a moving direction of the first cover or the second cover; the ball is located in the groove, the outer diameter of the ball is larger than the depth of the groove, and the guide block is in rolling fit with the guide groove through the ball.

5. The refrigerator according to claim 4, wherein a locking member is provided between the first cover and the second cover; the first cover body and the second cover body are respectively provided with a second stop block at two ends far away from the locking piece, and the second stop blocks are used for being abutted with the guide blocks.

6. The refrigerator according to claim 5, wherein the locking member includes a locking hook and a locking groove, a middle portion of the locking hook being hinged to the first cover; the locking groove is arranged at the end part of the second cover body; the shape of the front end of the lock hook is matched with the shape of the lock groove.

7. The refrigerator of claim 6, further comprising an elastic member positioned between a rear end of the latch hook and an upper end surface of the first cover, and the elastic member is fixed to the rear end of the latch hook;

8. The refrigerator as claimed in claim 2, wherein the bottom of the upper cover is provided with a sliding slot, and the upper end of the case is provided with a guide rail adapted to the sliding slot, and the guide rail is slidably engaged with the sliding slot.