CN209965552U

CN209965552U - Refrigeration type first-aid backpack heat preservation system

Info

Publication number: CN209965552U
Application number: CN201920663939.4U
Authority: CN
Inventors: 萧铭谦; 钟庆亮; 刘红金
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-01-21
Anticipated expiration: 2029-05-09

Abstract

The utility model relates to a refrigeration type first aid knapsack heat preservation system, including insulation construction and knapsack, insulation construction is close to the one end of knapsack and is equipped with the strip of inserting, is equipped with the slot on the knapsack, is equipped with the cavity in the knapsack, and slot and cavity intercommunication are equipped with the heat preservation chamber in the insulation construction, are equipped with logical groove in the strip of inserting, lead to groove and heat preservation chamber intercommunication, and when knapsack and insulation construction do not separate, insert the strip and insert and establish in the slot, lead to groove and cavity intercommunication. By arranging the separable structure of the backpack and the heat insulation structure, when articles in the backpack are needed, the backpack can be taken away independently only by separating the slot of the backpack from the inserting strip of the heat insulation structure and inserting the sealing strip on the backpack into the slot; when article in the knapsack need keep warm, then only need insert the strip and establish in the slot, alright utilize refrigeration structure to refrigerate the knapsack, realize when emergency, can take away the refrigeration thing at any time and keep warm at any time, be applicable to open air and indoor.

Description

Refrigeration type first-aid backpack heat preservation system

Technical Field

The utility model relates to a heat preservation system, more specifically say and indicate refrigeration type first aid knapsack heat preservation system.

Background

The heat preservation bag is a bag which can be used for outdoor picnic or daily life, is used for containing various foods and keeping the temperature and the freshness of the foods, and belongs to one of outdoor bags. Present heat preservation package can only put into the heat preservation package the inside with the heat retaining material of needs, if heat retaining thing can slowly rise along with time, then can't keep warm for a long time, must take out the thing with the needs cooling, then put into the refrigerator, and then reach heat retaining effect to be not applicable to emergency.

Therefore, there is a need for a new system that can take away the refrigeration and keep warm at any time in case of emergency, and is suitable for outdoor and indoor use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide refrigeration type first aid knapsack heat preservation system.

In order to achieve the above purpose, the utility model adopts the following technical scheme: refrigeration type first aid knapsack heat preservation system, including insulation construction and knapsack, insulation construction is close to the one end of knapsack is equipped with the cutting, be equipped with the slot on the knapsack, be equipped with the cavity in the knapsack, the slot with the cavity intercommunication, be equipped with the heat preservation chamber in the insulation construction, be equipped with logical groove in the cutting, lead to the groove with the heat preservation chamber intercommunication, work as the knapsack with when insulation construction does not separate, the cutting is inserted and is established in the slot, lead to the groove with the cavity intercommunication.

The further technical scheme is as follows: the backpack is connected with a sealing block, and when the backpack is separated from the heat insulation structure, the sealing block is inserted into the slot.

The further technical scheme is as follows: the sealing block is connected with the backpack through an elastic piece.

The further technical scheme is as follows: the backpack comprises a backpack body and straps, the slots are located on the backpack body, the sealing blocks are connected to the backpack body, and the straps are connected with the backpack body.

The further technical scheme is as follows: the heat insulation structure comprises a heat insulation box body and a refrigeration structure, the refrigeration structure is arranged in the heat insulation box body, and the heat insulation cavity is arranged in the heat insulation box body.

The further technical scheme is as follows: the heat preservation box body comprises an upper box body and a lower box body, the refrigeration structure comprises a refrigeration power assembly, an evaporator and a fan, the refrigeration power assembly is located in the lower box body, the heat preservation cavity is formed in the upper box body, the evaporator and the fan are arranged in the heat preservation cavity, and the evaporator is connected with the refrigeration power assembly.

The further technical scheme is as follows: the refrigeration power component comprises a compressor, a condenser and a capillary tube, the compressor is connected with the condenser, the condenser is connected with the capillary tube, the capillary tube is connected with the evaporator, and the evaporator is connected with the compressor.

The further technical scheme is as follows: and a temperature control assembly is arranged in the lower box body and is respectively connected with the compressor and the fan.

The further technical scheme is as follows: the temperature control assembly comprises a power supply, a transformer T1, a thermistor R5 and an operational amplifier C3, and the compressor and the fan are respectively connected with the power supply through a relay K1; when the temperature reaches the set value, the thermistor R5 becomes small, the operational amplifier C3 operates, so that the relay K1 is turned off, and the compressor and the fan stop operating.

The further technical scheme is as follows: and a silica gel layer is arranged on the periphery of the cutting.

Compared with the prior art, the utility model beneficial effect be: by arranging the separable structure of the backpack and the heat insulation structure, when articles in the backpack are needed, the backpack can be taken away independently only by separating the slot of the backpack from the inserting strip of the heat insulation structure and inserting the sealing strip on the backpack into the slot; when article in the knapsack need keep warm, then only need insert the strip and establish in the slot, alright utilize refrigeration structure to refrigerate the knapsack, realize when emergency, can take away the refrigeration thing at any time and keep warm at any time, be applicable to open air and indoor.

The invention is further described with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic perspective view of a refrigeration-type first-aid backpack heat preservation system according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a backpack according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a thermal insulation structure according to an embodiment of the present invention;

fig. 4 is a schematic view of the working principle of the refrigeration assembly according to the embodiment of the present invention

Fig. 5 is an exploded schematic view of a thermal insulation structure according to an embodiment of the present invention;

fig. 6 is a schematic view of a main view structure of a refrigeration-type first-aid backpack heat preservation system according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of a temperature control module according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

According to the specific embodiment shown in fig. 1-7, the refrigeration type first-aid backpack heat preservation system provided by the embodiment can be applied indoors or outdoors, can also be used in emergency situations, can directly take away the backpack when in use, and is convenient and fast.

Referring to fig. 1, the refrigeration type first-aid backpack heat preservation system includes a heat preservation structure and a backpack, wherein an insertion strip 21 is disposed at one end of the heat preservation structure close to the backpack, a slot 13 is disposed on the backpack, a cavity is disposed in the backpack, the slot 13 is communicated with the cavity, a heat preservation cavity is disposed in the heat preservation structure, a through groove 22 is disposed in the insertion strip 21, the through groove 22 is communicated with the heat preservation cavity, and when the backpack is not separated from the heat preservation structure, the insertion strip 21 is inserted into the slot 13, and the through groove 22 is communicated with the.

Articles are placed in the backpack, the heat insulation structure is separated from the backpack, and when the articles need to be used, the heat insulation structure only needs to be separated from the backpack; when not needing to use article, insulation construction can continue to input air conditioning in to the knapsack to the realization is to the heat preservation of article.

In one embodiment, referring to fig. 2, the backpack is connected with a sealing block 15, and when the backpack is separated from the thermal insulation structure, the sealing block 15 is inserted into the slot 13. When the backpack is used, the backpack is required to be separated from the heat preservation structure, and the slot 13 of the backpack is required to be sealed by the sealing block 15, so that the cavity in the backpack is ensured to be in a sealed state, and the temperature in the cavity cannot be changed rapidly.

In an embodiment, the sealing block 15 described above is connected to the backpack by means of an elastic member 14, in particular the elastic member 14 is a rubber band, which sealing block 15 can be obtained quickly when the sealing block 15 needs to be used.

Specifically, the shape of the sealing block 15 conforms to the shape of the socket 13.

In this embodiment, the sealing block 15 is made of rubber or silicone, and the size of the sealing block 15 is slightly larger than that of the slot 13, so as to ensure that the sealing block 15 can seal the slot 13.

In an alternative embodiment, the backpack comprises a backpack body 10 and straps 11, wherein the slots 13 are located on the backpack body 10, the sealing blocks 15 are connected to the backpack body 10, and the straps 11 are connected to the backpack body 10. The harness 11 may facilitate the user to carry a backpack.

In addition, in an optional embodiment, the side end and the upper end of the backpack body 10 are respectively provided with a handle 12 for a user to pick up the backpack, specifically, the two end surfaces far away from the thermal insulation box body are provided with the handles 12, and the two carrying modes are suitable for different carrying requirements and scenes.

In an embodiment, referring to fig. 3, the heat-insulating structure includes a heat-insulating box and a refrigerating structure, the refrigerating structure is disposed in the heat-insulating box, and a heat-insulating cavity is disposed in the heat-insulating box. Utilize refrigeration structure to refrigerate the heat preservation chamber, with the help of the structure of heat preservation chamber and cavity intercommunication, transmit and neutralize the temperature in the temperature and the cavity of heat preservation intracavity, realize the heat preservation to the object in the cavity of knapsack.

In an embodiment, referring to fig. 5 and 6, the thermal insulation box includes an upper box 20 and a lower box 30, the refrigeration structure includes a refrigeration power assembly, an evaporator 60 and a fan 50, the refrigeration power assembly is located in the lower box 30, a thermal insulation cavity is disposed in the upper box 20, the evaporator 60 and the fan 50 are disposed in the thermal insulation cavity, and the evaporator 60 is connected to the refrigeration power assembly.

The side end of the lower box 30 is connected with a bracket 40, and the backpack is placed on the bracket 40 so as to realize the placement and the limit when the backpack is connected with the heat insulation structure.

In an alternative embodiment, a plurality of heat dissipation grooves 31 are formed at one side end of the lower case 30 to dissipate heat of the refrigeration power assembly disposed in the lower case 30.

In an embodiment, referring to fig. 4, the refrigeration power assembly includes a compressor 80, a condenser 70 and a capillary tube, the compressor 80 is connected to the condenser 70, the condenser 70 is connected to the capillary tube, the capillary tube is connected to the evaporator 60, and the evaporator 60 is connected to the compressor 80.

The gaseous refrigerant passing through the condenser 70 encounters the capillary tube, but the tube of the capillary tube is relatively thin, so that a large amount of refrigerant is crowded within the condenser 70. The compressor 80 drives the condenser 70 to push the refrigerant to the capillary tube, and the capillary tube is blocked to prevent the refrigerant from passing through, so that the refrigerant retained in the condenser 70 is more and more, the pressure is higher and higher, the gaseous refrigerant starts to be liquefied after the pressure is increased, and the liquefaction process is accompanied by heat absorption, so that the refrigerant retained in the front half section of the condenser 70, namely the direction close to the compressor 80, is in a high-temperature and high-pressure liquid state; the refrigerant is slowly cooled in the condenser 70 until it is cooled to room temperature, and begins to slowly queue through the capillary tube; the evaporator 60 has a thick pipe, the pressure of the refrigerant passing through the capillary tube is suddenly reduced, so that the liquid refrigerant starts to boil and gasify, and the process is accompanied by heat absorption until the refrigerant completely passes through the evaporator 60 and is completely in a gas state at normal temperature and normal pressure; the gaseous refrigerant is again passed through the compressor 80 and a new cycle is continued. The temperature in the heat preservation cavity can be adjusted by means of the change of the state of the refrigerant, and the heat preservation cavity is practical and environment-friendly.

When the compressor 80 starts the power supply, the evaporator 60 is turned on to cool, the fan 50 is turned on at the moment to blow cold air into the thermal insulation box body, air in the thermal insulation box body can be introduced into the backpack through the through groove 22 and the slot 13, so that the object in the cavity of the backpack can be cooled, and the backpack can be cooled without being taken out.

In an optional embodiment, a baffle plate can be further arranged in the heat preservation cavity, the baffle plate divides the heat preservation cavity into a first cavity and a second cavity, the evaporator 60 and the fan 50 are placed in the second cavity, a plurality of ventilation grooves are formed in the baffle plate, and articles are placed in the first cavity, so that the dual-purpose type of the heat preservation structure is realized, the backpack can be cooled and insulated, and the independent articles can be cooled and insulated, so that the practicability of the whole system is improved.

In one embodiment, referring to fig. 6, a temperature control assembly is disposed in the lower case 30, and the temperature control assembly is connected to the compressor 80 and the fan 50 respectively.

Specifically, the lower box 30 is provided with a display screen 32 for displaying the current temperature of the thermal insulation chamber.

Specifically, in an alternative embodiment, referring to fig. 7, the temperature control assembly includes a power supply, a transformer T1, a thermistor R5 and an operational amplifier C3, wherein the compressor 80 and the fan 50 are respectively connected to the power supply through a relay K1; when the temperature reaches the set value, the thermistor R5 becomes small, and the operational amplifier C3 operates, so that the relay K1 is turned off, and the compressor 80 and the fan 50 stop operating.

When the whole system is connected with a power supply, the power supply current is divided into two paths of L and N, wherein the L path is through a relay K1, the N path is through a switch SW1 to the compressor 80 and the fan 50, and the compressor 80 and the fan 50 start to work for refrigeration at the moment

And the L path passes through a transformer T1, then passes through a bridge rectifier circuit B1, then passes through a voltage stabilizer Q2 for power supply voltage stabilization, passes through a filter capacitor C2 for filtering, and reaches a thermistor R5, when the temperature reaches a set value, the thermistor R5 is reduced, so that an operational amplifier C3 starts to work, and passes through a Mos tube Q1 to a relay K1, so that a relay K1 is disconnected, and then the power supply circuit of the compressor 80 and the fan 50 is disconnected, so that the compressor 80 and the fan 50 are closed, and the purpose of controlling the temperature is achieved.

In an alternative embodiment, the number of the slots 13 is at least two, the number of the insert bars 21 is the same as the number of the slots 13, and the plurality of slots 13 can realize the air inlet and outlet.

When the insert strip 21 of the heat preservation box body is inserted into the slot 13 of the backpack, the backpack is placed on the bracket 40, a power supply is connected, the compressor 80 is started at the moment, the evaporator 60 starts to refrigerate, meanwhile, the fan 50 blows cold air into the heat preservation cavity of the heat preservation box body, and further blows the cold air into the cavity of the backpack, at the moment, the articles needing refrigeration in the backpack start to be cooled are cooled, when the internal temperature of the backpack reaches the set temperature, the temperature of the cavity in the backpack is consistent with the temperature in the heat preservation cavity, the temperature control component is utilized to drive the compressor 80 to stop working, and the fan 50 is also driven to stop working, at the moment, the backpack can be taken out according to the actual situation, the seal strip on the backpack is inserted into the slot 13 of the backpack, so that the cavity in the backpack is in a sealed state; when the backpack needs to be kept warm all the time, the backpack is placed on the bracket 40 all the time, the sealing strip is not inserted into the slot 13, and the inserting strip 21 on the heat preservation box body is inserted into the slot 13 of the backpack all the time; when the backpack is needed to be used, the backpack taking process is repeated, and the operation is convenient.

In an alternative embodiment, the compressor 80 may be divided into a DC compressor 80 and/or an AC compressor 80 to allow the overall system to be used in both homes and vehicles.

When an emergency occurs, the refrigerated goods can be taken away and insulated at any time by connecting the backpack with the refrigerated goods; the device is suitable for the condition that the hospital has articles which need to be preserved and insulated for a long time, and has small space, electricity saving and adjustable temperature; when an emergency occurs, the device can be taken away immediately; the heat-preservation bag can be placed in a vehicle for heat preservation in the field and can also be taken away immediately; light weight, convenient carrying and labor intensity reduction.

In an alternative embodiment, the side wall of the upper box 20 is provided with a sealing strip, and when the backpack is separated from the thermal insulation structure, the sealing strip is inserted into the through groove 22 to seal the through groove 22, and of course, the outer end of the sealing strip is provided with a suction cup sealing edge, and when the sealing strip is inserted into the through groove 22, the suction cup sealing edge is sucked on the outer end surface of the inserting strip 21 to improve the sealing performance of the through groove 22.

In an alternative embodiment, the periphery of the insert 21 is provided with a silicone layer, the size of the insert 21 is consistent with the size of the slot 13, and the silicone layer can seal the gap between the insert 21 and the slot 13.

According to the refrigeration type first-aid backpack heat insulation system, by arranging the separable structure of the backpack and the heat insulation structure, when the articles in the backpack are needed, the backpack can be taken away independently only by separating the slot 13 of the backpack from the insertion strip 21 of the heat insulation structure and inserting the sealing strip on the backpack into the slot 13; when article in the knapsack need keep warm, then only need insert the cutting 21 and establish in slot 13, alright utilize the refrigeration structure to refrigerate the knapsack, realize when emergency appears, can take away the refrigeration thing at any time and keep warm at any time, be applicable to outdoors and indoor.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. Refrigeration type first aid knapsack heat preservation system, its characterized in that, including insulation construction and knapsack, insulation construction is close to the one end of knapsack is equipped with the cutting, be equipped with the slot on the knapsack, be equipped with the cavity in the knapsack, the slot with the cavity intercommunication, be equipped with the heat preservation chamber in the insulation construction, be equipped with logical groove in the cutting, lead to the groove with heat preservation chamber intercommunication works as the knapsack with when insulation construction does not separate, insert the strip and insert and establish in the slot, lead to the groove with the cavity intercommunication.

2. The refrigeration-type emergency backpack insulation system of claim 1, wherein a sealing block is attached to the backpack and is inserted into the slot when the backpack is detached from the insulation structure.

3. The refrigeration-type emergency backpack insulation system of claim 2, wherein the sealing block is connected to the backpack by a resilient member.

4. The refrigeration-type emergency backpack insulation system of claim 2, wherein the backpack includes a backpack body and straps, the slots are located on the backpack body, the sealing blocks are connected to the backpack body, and the straps are connected to the backpack body.

5. The refrigeration-type emergency backpack insulation system according to any one of claims 1 to 4, wherein the insulation structure comprises an insulation box body and a refrigeration structure, the refrigeration structure is disposed in the insulation box body, and the insulation cavity is disposed in the insulation box body.

6. The refrigeration-type emergency backpack insulation system of claim 5, wherein the insulation box comprises an upper box and a lower box, the refrigeration structure comprises a refrigeration power assembly, an evaporator and a fan, the refrigeration power assembly is located in the lower box, the insulation cavity is arranged in the upper box, the evaporator and the fan are arranged in the insulation cavity, and the evaporator is connected with the refrigeration power assembly.

7. The refrigeration-type emergency backpack insulation system of claim 6, wherein the refrigeration power assembly comprises a compressor, a condenser, and a capillary tube, the compressor is connected to the condenser, the condenser is connected to the capillary tube, the capillary tube is connected to the evaporator, and the evaporator is connected to the compressor.

8. The refrigeration-type emergency backpack insulation system of claim 7, wherein a temperature control assembly is disposed within the lower case, the temperature control assembly being connected to the compressor and the fan, respectively.

9. The refrigeration-type emergency backpack warming system of claim 8, wherein said temperature control assembly comprises a power supply, a transformer T1, a thermistor R5, and an operational amplifier C3, said compressor and said fan being connected to said power supply via a relay K1, respectively; when the temperature reaches the set value, the thermistor R5 becomes small, the operational amplifier C3 operates, so that the relay K1 is turned off, and the compressor and the fan stop operating.

10. The refrigeration-type emergency backpack heat preservation system of claim 1, wherein a silicone layer is disposed on the outer circumference of the slip.