CN218056654U - Vehicle-mounted cold and hot insulation box - Google Patents

Abstract

The utility model relates to a vehicle-mounted cold and hot insulation can, including outer box, inside is equipped with the cold district, hot district and semiconductor refrigeration piece, the cold junction and the cold junction of semiconductor refrigeration piece lead cold subassembly and link to each other, the cold junction leads cold subassembly and is used for constantly sending into the air after inhaling the cold in the cold district, the hot junction and the hot junction heat transfer subassembly of semiconductor refrigeration piece link to each other, hot junction heat transfer subassembly's structure includes water-cooling head and heat transfer coil, water-cooling head one side is laminated mutually with the hot junction of semiconductor refrigeration piece, the opposite side is laminated mutually with the wall in hot district, heat transfer coil pastes and establishes on the wall in hot district, the both ends connect into circulation circuit with the heat transfer medium export and the heat transfer medium import of water-cooling head respectively. The utility model discloses a cold junction and the hot junction of semiconductor refrigeration piece set up cold junction cold conduction subassembly and hot junction heat exchange assemblies respectively, realize carrying out effective control to the temperature that corresponds the warm area, pack thermal insulation material simultaneously in cold district, hot district, avoid cold, hot junction and cold, hot warm district distance near excessively, have also improved the utilization efficiency of refrigerating output simultaneously.

Description

Vehicle-mounted cold and hot insulation box

Technical Field

The utility model belongs to the technical field of the insulation can technique and specifically relates to a vehicle-mounted cold and hot insulation can.

Background

The semiconductor refrigerating sheet utilizes the Peltier effect of semiconductor materials, and 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. The advantages are no sliding parts, and can be applied to occasions with limited space, high reliability requirement and no refrigerant pollution.

In the prior art, the heat preservation box technology adopting the semiconductor refrigeration element can refer to a cold and hot dual-purpose takeout heat preservation box with application number of CN202022311518.0, the structure of the heat preservation box is set to be that the cold end and the hot end of the semiconductor refrigeration piece are directly attached to the wall surfaces of a cold chamber and a hot chamber respectively, although the structure realizes the purpose of simultaneously preserving heat of the cold chamber and the hot chamber, the thickness of the semiconductor refrigeration piece is usually only a few millimeters, the heat transfer effect between the cold end and the hot end is obvious, particularly, the heat dissipation of the hot end has great influence on the refrigeration of the cold end, the utilization efficiency of the cold and the heat is reduced, and the temperature control effect is poor and the energy consumption is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a cold and hot insulation can of on-vehicle, the purpose reduces the cold and hot end interference of semiconductor refrigeration piece, improves cold, thermal utilization efficiency.

The utility model adopts the technical scheme as follows:

the utility model provides a vehicle-mounted cold and hot insulation can, includes outer box, inside cold district, hot district and the semiconductor refrigeration piece of being equipped with, the cold junction and the cold junction of semiconductor refrigeration piece lead cold subassembly and link to each other, cold end lead cold subassembly be used for constantly sending into with the cold air that the back temperature reduced rather than the heat transfer in the cold district, the hot junction and the hot junction heat exchange assembly of semiconductor refrigeration piece link to each other, hot junction heat exchange assembly's structure includes water-cooled head and heat transfer coil, water-cooled head one side is laminated with the hot junction of semiconductor refrigeration piece mutually, and the opposite side is laminated with the wall in hot district mutually, heat transfer coil pastes and establishes on the wall in hot district, both ends connect into circulation circuit with the heat transfer medium outlet of water-cooled head respectively, still establish ties on the circulation circuit and have the pump.

The further technical scheme is as follows:

the structure of cold subassembly is led to the cold junction includes radiator and thermantidote, a side of radiator and the cold junction laminating of semiconductor refrigeration piece mutually, the coating has heat conduction silicone grease on the binding face, and all the other regional subsides are equipped with thermal-insulated membrane on this side of radiator, the another side of radiator with the thermantidote is connected, be equipped with the wind gap relative with the air-out end of thermantidote on the lateral wall of cold district.

The radiator is fixedly connected with the water cooling head through screws so as to enable the cold end and the hot end of the semiconductor refrigeration piece to be respectively pressed with the radiator and the water cooling head, and a plastic protective sleeve is sleeved on the part, located between the radiator and the water cooling head, of each screw.

The air outlet end of the cooling fan is located in the middle of the air port, and the area of the air port is larger than the air outlet area of the cooling fan.

The structure of the hot end heat exchange assembly also comprises a cooling assembly which is connected in series in the circulation loop and arranged on the wall surface of the hot area.

The structure of the cooling component comprises at least one water drainage device and at least one hot air fan, wherein the at least one water drainage device is connected in series in the circulating loop, one side surface of the water drainage device is attached to the outer wall of the hot area, and the other side surface of the water drainage device is attached to the hot air fan.

And a separator is arranged between the cold area and the hot area, and surrounds the cold end cold guide assembly inside the cold end cold guide assembly and is isolated from the hot end heat exchange assembly by the separator.

The wall surfaces of the cold area and the hot area are made of heat-conducting metal materials.

Heat insulation interlayers are formed between the inner wall of the outer box body and the outer walls of the cold area and the hot area, and heat dissipation holes are formed in one side wall of the outer box body corresponding to the hot area.

The temperature control and display device further comprises a storage battery mounting position, a hot area top cover, a cold area top cover, a temperature control and display panel and temperature sensors for respectively detecting the temperatures of the cold area and the hot area.

The utility model has the advantages as follows:

the utility model discloses a cold junction and the hot junction of semiconductor refrigeration piece set up cold junction respectively and lead cold subassembly and hot junction heat exchange assemblies, through the temperature sensor of cold and hot warm district bottom to the electric current size of control semiconductor refrigeration piece realizes carrying out effective control to the temperature that corresponds the warm area, packs thermal insulation material in cold district, hot district simultaneously, avoids cold and hot end distance near excessively, has improved the utilization efficiency of refrigerating output.

The utility model discloses a cold subassembly is led to the cold junction transmits cold volume for cold district, bloies through the fan and makes the air conditioning circulation improve the homogeneity of cold district temperature.

The utility model discloses a cold subassembly is led to the cold junction is gone up to court the hot junction one side and is set up thermal-insulated membrane, prevents effectively that semiconductor refrigeration piece hot junction heat from diffusing, has reduced the refrigerated influence to the cold junction.

The utility model discloses a hot junction heat transfer subassembly utilizes the water-cooling head to carry out high-efficient heat dissipation with the hot junction heat, thereby further prevents that the water-cooling head high temperature from influencing the thermal-insulated effect of cold junction refrigeration efficiency and middle heat preservation insulating layer, makes hot area temperature distribution more even through heat transfer coil.

The utility model discloses set up the cooling assembly, contained two log raft and two fans, can the hot zone temperature of effective control.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic diagram of a hidden top cover plate for cold and hot areas and a temperature control and display panel according to an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view of an installation structure of a cold area according to an embodiment of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic structural diagram of a separator according to an embodiment of the present invention.

Fig. 6 is a schematic view of an arrangement structure of the heat exchange coil and the cooling component in the hot zone according to the embodiment of the present invention.

Fig. 7 is a schematic view of an installation structure of the temperature control and display panel and the battery installation position according to the embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a closed state of each top cover according to an embodiment of the present invention.

FIG. 9 is a schematic structural view of each open state of the top cover according to the embodiment of the present invention

Fig. 10 is a schematic structural view of a water drainer according to an embodiment of the present invention.

In the figure: 1. a cold zone; 2. a separator; 3. a hot zone; 4. a heat insulating interlayer; 5. a cold zone top cover; 6. a temperature control and display panel; 7. a hot zone top cover; 8. an outer case; 9. a placement plate; 10. a semiconductor refrigeration sheet; 11. a water cooling head; 12. a heat exchange coil; 13. water is discharged; 14. a hot air fan; 15. a pump; 16. a tuyere; 17. a heat sink; 18. a cooling fan; 19. a heat insulating film; 20. a storage battery mounting position; 21. a refrigeration piece mounting hole; 22. a pump mount; 23. the anti-loose button; 24. a screw; 25. a plastic protective sleeve; 26. a protrusion; 81. heat dissipation holes; 91. a unit plate; 92. a middle rotating shaft; 151. an input tube; 152. an output pipe; 153. and (4) injecting the liquid into the opening.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 to 3, the vehicle-mounted cold and hot insulation box of the embodiment includes an outer box 8, a cold area 1, a hot area 3 and semiconductor chilling plates 10 are arranged in the outer box, a cold end of each semiconductor chilling plate 10 is connected with a cold end cold conduction assembly, the cold end cold conduction assembly is used for sending air after cold absorption into the cold area 1, a hot end of each semiconductor chilling plate 10 is connected with a hot end heat exchange assembly, the hot end heat exchange assembly structurally includes a water cooling head 11 and a heat exchange coil 12, one side of the water cooling head 11 is attached to the hot end of each semiconductor chilling plate 10, the other side of the water cooling head is attached to the wall surface of the hot area 3, the heat exchange coil 12 is attached to the wall surface of the hot area 3, two ends of the heat exchange coil are respectively connected with a heat exchange medium outlet and a heat exchange medium inlet of the water cooling head 11 to form a circulation loop, and a pump 15 shown in fig. 3 is connected to the circulation loop.

The water cooling head 11 can be directly attached to the hot end of the semiconductor refrigerating sheet 10 without burning due to overhigh temperature, firstly, the water cooling head is easy to conduct heat due to the material of the water cooling head and transfers the heat to the outer wall of the hot area 3, and secondly, the water cooling head is internally provided with a bent water path, so that the heat exchange medium can quickly finish heat exchange in the water cooling head and take away redundant heat.

Referring to fig. 3 and 4, the structure of the cold end cold guide assembly includes a radiator 17 and a cooling fan 18, one side surface of the radiator 17 is attached to the cold end of the semiconductor refrigeration sheet 10, heat-conducting silicone grease is coated on the attachment surface, a heat insulation film 19 is arranged on the rest area of the side surface, the other side surface of the radiator 17 is connected to the cooling fan 18, and a tuyere 16 opposite to the air outlet end of the cooling fan 18 is arranged on the side wall of the cold zone 1.

The arrangement of the heat insulation film 19 can effectively prevent the influence of the heat of the hot end of the semiconductor refrigerating sheet 10 on the cold transmission of the cold end.

The heat insulation film 19 can cut the outline of the semiconductor refrigeration sheet from the middle part when being installed, and the heat insulation film 19 has a certain thickness, so that the semiconductor refrigeration sheet 10 can be further limited, and the semiconductor refrigeration sheet 10 is prevented from moving.

The heat insulating film 19 is preferably a tin foil paper.

The radiator 17 is preferably a fin radiator, air enters from a channel between fins, and is blown into the cold area 1 through the air port 16 under the action of the cooling fan 18 after carrying cold energy, so that the cold area 1 is cooled.

As shown in fig. 4, the radiator 17 is fixedly connected with the water cooling head 11 through screws 24, so as to press the cold and hot end faces of the semiconductor cooling fins 10 to the side faces of the radiator 17 and the water cooling head 11 respectively. Wherein, the part of the screw 24 between the radiator 17 and the water cooling head 11 is sleeved with a plastic protective sleeve 25. The provision of the plastic protective sheath 25 also serves as thermal insulation. Since the screw 24 will contact the water cooling head 11, the plastic protective sleeve 25 is provided to effectively reduce the heat transfer from the water cooling head 11 to the cold end cold conduction assembly.

The air outlet end of the cooling fan 18 is preferably located in the middle of the air inlet 16, and the area of the air inlet 16 is larger than the air outlet area of the cooling fan 18. The purpose that so sets up lies in, the air-out end of thermantidote 18 can be to cold district 1 input air conditioning to wind gap 16, and air conditioning absorbs the heat completion heat transfer back of the interior storage in cold district 1, can follow 16 marginal reverse effluences in wind gap, accomplishes circulation and takes a breath.

Preferably, the air inlet 16 can be provided in plurality, and the corresponding heat radiator 17 and the semiconductor chilling plate 10 can also be provided in plurality.

As shown in fig. 3, preferably, two semiconductor chilling plates 10 are provided in the present embodiment.

As shown in fig. 3, the input tube 151 of the pump 15 is connected to one end of the heat exchange coil 12, the output tube 152 is connected to the inlet of the water cooling head 11, the outlet of the water cooling head is connected to the other end of the heat exchange coil 12, and the pump 15 is further provided with an injection port 153 for supplementing fresh heat exchange medium and adjusting the pressure of the heat exchange medium.

Specifically, the heat exchange coil pipes are uniformly distributed on the wall surface of the hot zone, so that the hot zone is uniformly heated, and the specific direction is set according to the requirement.

The circulating loop is provided with a control valve which can control the flow rate of the heat exchange medium and can start or cut off the circulation of the heat exchange medium.

Referring to fig. 2 and 7, a shelf 9 is provided in the cold zone 1.

The shelf 9 is preferably positioned higher than the tuyere 16.

As shown in fig. 7, the structure of the object placing plate 9 includes two unit plates 91 and a middle rotating shaft 92, the two unit plates 91 are disposed with the middle rotating shaft 92 as an axis symmetry, the two unit plates 91 can respectively rotate around the middle rotating shaft 92, wherein the unit plate 91 on one side can be stacked on the unit plate 91 on the other side by rotating 180 ° around the middle rotating shaft 92, thereby expanding the height of the object placing space on the folded side and making the two sides suitable for placing objects with different heights.

The structure of the hot end heat exchange assembly also comprises a cooling assembly which is connected in series in the circulating loop and arranged on the wall surface of the hot area 3 and can be used for cooling the heat exchange medium.

As shown in fig. 6, the cooling assembly specifically includes at least one water discharge 13 and at least one hot air fan 14, one side of the at least one water discharge 13 is attached to the outer wall of the hot zone 3, the other side of the at least one water discharge 13 is provided with the at least one hot air fan 14, and the heat exchange medium flows through the at least one water discharge 13, is cooled by the at least one hot air fan 14, and then enters the circulation loop, so as to effectively prevent the temperature in the hot zone from being too high.

Specifically, as shown in fig. 10, the water discharge unit 13 includes an inlet and an outlet, and a medium side pipeline for circulating a heat exchange medium is provided in the water discharge unit and has a finned tube structure, so that the heat exchange effect is good.

As shown in fig. 6, this embodiment preferably provides two water rows in parallel.

Referring to fig. 1, a separator 2 is arranged between a cold area 1 and a hot area 3, which can further separate the cold area from the hot area, and the cold end cold guide assembly is surrounded inside the cold area and separated from the hot end heat exchange assembly. The partition 2 serves as a support for the pump 15, the water cooling head 11 and the radiator 17 in addition to separating the cold-side cold-conducting assembly and the hot-side heat-exchanging assembly, so that they can be operated at a more efficient location. Referring to fig. 5, the partition 2 is a rectangular surrounding frame structure, one side surface is open and connected with the side wall of the cold area 1, and the other side surface is closed, so that a space for accommodating the cold end cold guide assembly is formed in the middle, a refrigerating piece mounting hole 21 is formed in the other side surface, and the cold end of the semiconductor refrigerating piece 10 is connected with the radiator 17 arranged in the partition 2 through the refrigerating piece mounting hole 21. The other side surface of the above-mentioned partitioning member 2 is also provided with a pump mount 22 with respect to the arrangement of the pump 15.

The walls of the cold zone 1 and the hot zone 3 and the heat exchange coil 12 are all made of heat conducting metal.

The heat exchange coil is preferably a copper tube, and the cold and hot zone walls are preferably aluminum plates.

The heat exchange medium is preferably pure water or other liquid with high thermal conductivity. 91

Referring to fig. 7, the vehicle-mounted cold and hot insulation box of the above embodiment further includes an outer box 8, a heat insulation interlayer 4 is formed between an inner wall of the outer box 8 and outer walls of the cold zone 1 and the hot zone 3, and a heat dissipation hole 81 is formed in a side wall of the outer box 8 corresponding to the hot zone 3.

The insulating interlayer 4 may be filled with an insulating medium.

The heat dissipation holes 81 may be used to assist heat dissipation in the hot zone. For the cooling assembly, the heat dissipation holes 81 may be opposite to the air outlet end of the hot air fan 14.

Specifically, the outer case 8 may be made of plastic. When the heat preservation box is used for bearing food, medicine and other objects, the inner wall of the cold and hot area can be coated according to the requirement

Referring to fig. 7 and 8, the vehicle-mounted cold and hot insulation box of the above embodiment further includes a battery mounting location 20, a hot area top cover 7, a cold area top cover 5, a temperature control and display panel 6, and temperature sensors for detecting the temperatures of the cold area 1 and the hot area 3, respectively.

The cold area top cover and the hot area top cover are respectively arranged at the tops of the cold area and the hot area and are opened or closed.

As shown in fig. 7, the middle parts of the lower parts of the hot area top cover 7 and the cold area top cover 5 are respectively provided with a protrusion 26, so that the sealing performance of the cold area and the upper part of the hot area can be improved, and the heat exchange efficiency of the cold area, the hot area and the outside can be reduced. The temperature control and display panel is preferably disposed at the middle portion as required, the cold zone top cover and the hot zone top cover are movably coupled at the left and right sides thereof, respectively, and the structure of the open state of the top covers is as shown in fig. 9.

According to the needs, be equipped with anti-loosening 23 on the outer box, can close the back with the top cap chucking at the top cap, prevent that the top cap from loosening in the transportation, play locking, sealed effect.

According to the needs, set up the sealing washer between each top cap and the box, play airtight heat retaining effect.

According to the needs, still can set up the joint that charges on the box.

In the use, accessible temperature control and display panel set for cold district temperature, detect cold district temperature through the sensor in real time, control semiconductor refrigeration piece reasonable operation is in the settlement temperature in order to keep the cold district to with real-time temperature display at temperature control and display panel. The temperature of the hot area is not controllable, but the temperature of the hot area can be detected in real time through a sensor and displayed on a temperature control and display panel, and the temperature of the hot area is prevented from being overhigh by controlling the flow rate of the heat exchange medium, the start and stop of the circulation of the heat exchange medium and the start and stop of the hot fan.

The vehicle-mounted cold and hot insulation box can store cold and hot food at the same time, plays a certain insulation role, can be used as a vehicle-mounted cold and hot insulation box or a small household cold and hot insulation box, and can also be used as a take-out electric vehicle-mounted cold and hot insulation box.

The accessible battery is the power supply of semiconductor refrigeration piece, and when being on-vehicle, the accessible charges the joint and charges for box battery.

Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The vehicle-mounted cold and hot insulation box comprises an outer box body (8), wherein a cold area (1), a hot area (3) and semiconductor refrigeration sheets (10) are arranged inside the outer box body, and is characterized in that cold ends of the semiconductor refrigeration sheets (10) are connected with a cold end cold guide assembly, the cold end cold guide assembly is used for continuously sending cold air with reduced temperature after heat exchange into the cold area (1), hot ends of the semiconductor refrigeration sheets (10) are connected with a hot end heat exchange assembly, the hot end heat exchange assembly structurally comprises a water cooling head (11) and a heat exchange coil (12), one side of the water cooling head (11) is attached to the hot ends of the semiconductor refrigeration sheets (10), the other side of the water cooling head is attached to the wall surface of the hot area (3), the heat exchange coil (12) is attached to the wall surface of the hot area (3), two ends of the water cooling head are connected with a heat exchange medium outlet of the water cooling head (11) to form a circulation loop, and a pump (15) is further connected in series on the circulation loop.

2. The vehicle-mounted cold and hot insulation box according to claim 1, characterized in that the structure of the cold end cold guide assembly comprises a radiator (17) and a cooling fan (18), one side surface of the radiator (17) is attached to the cold end of the semiconductor refrigeration sheet (10), heat-conducting silicone grease is coated on the attaching surface, a heat insulation film (19) is attached to the rest area on the side surface of the radiator (17), the other side surface of the radiator (17) is connected with the cooling fan (18), and a wind port (16) opposite to the wind outlet end of the cooling fan (18) is formed in the side wall of the cold area (1).

3. The vehicle-mounted cold and hot insulation can according to claim 2, characterized in that the radiator (17) is fixedly connected with the water cooling head (11) through screws (24) so as to press the cold end and the hot end of the semiconductor refrigeration sheet (10) against the radiator (17) and the water cooling head (11), respectively, and a plastic protective sleeve (25) is sleeved on a part of the screws (24) between the radiator (17) and the water cooling head (11).

4. The vehicle-mounted cold and hot insulation box according to claim 2, wherein the air outlet end of the cooling fan (18) is located in the middle of the air port (16), and the area of the air port (16) is larger than the air outlet area of the cooling fan (18).

5. The vehicle-mounted cold-hot thermal container according to claim 1, characterized in that the structure of the hot-end heat exchange assembly further comprises a temperature reduction assembly which is connected in series in the circulation loop and is arranged on the wall surface of the hot zone (3).

6. Vehicle mounted cold and hot insulation box according to claim 5, characterized in that the structure of said cooling module comprises at least one water drain (13) and at least one hot air fan (14), said at least one water drain (13) being connected in series in said circulation loop, one side being attached to the outer wall of the hot zone (3) and the other side being attached to the hot air fan (14).

7. The vehicle-mounted cold and hot insulation can according to claim 1, characterized in that a partition (2) is arranged between the cold area (1) and the hot area (3), and the partition (2) surrounds the cold end cold guide assembly inside and separates the cold end cold guide assembly from the hot end heat exchange assembly.

8. The vehicle-mounted cold and hot insulation box according to claim 1, wherein the wall surfaces of the cold zone (1) and the hot zone (3) are made of heat-conducting metal.

9. The vehicle-mounted cold and hot insulation box according to claim 1, wherein a heat insulation interlayer (4) is formed between the inner wall of the outer box (8) and the outer walls of the cold zone (1) and the hot zone (3), and a heat radiation hole (81) is formed in one side wall of the outer box (8) corresponding to the hot zone (3).

10. The vehicle-mounted cold and hot insulation box according to claim 1, further comprising a battery mounting location (20), a hot zone top cover (7), a cold zone top cover (5), a temperature control and display panel (6), and temperature sensors for detecting the temperatures of the cold zone (1) and the hot zone (3), respectively.

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