CN211242074U

CN211242074U - Backpack with refrigerator

Info

Publication number: CN211242074U
Application number: CN201922332334.XU
Authority: CN
Inventors: 董宇飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-14
Anticipated expiration: 2029-12-23

Abstract

The utility model provides a take knapsack of refrigerator, include: the shell is internally provided with a cavity; the battery chamber is arranged at the bottom end inside the cavity; the storage box and the battery chamber are arranged at the bottom end of the cavity side by side; the heat dissipation chamber is arranged at the top inside the cavity; the cooling chamber is clamped between the storage box and the heat dissipation chamber and is communicated with the storage box; and the refrigerating element is clamped between the cooling chamber and the heat dissipation chamber. The utility model is used for midsummer festival, in outdoor hot weather, give people and provide a very portable fresh-keeping cold-stored equipment.

Description

Backpack with refrigerator

Technical Field

The utility model relates to a fresh-keeping cold-stored technical field, concretely relates to take knapsack of refrigerator.

Background

In hot summer, people can buy one or two bottles of iced drinks each time when going out, and drink a part of iced drinks at that time, the rest part can be carried in a schoolbag or held in hands, and the drinks become normal temperature after being too many hours. The drink loses cool temperature, and the effect of cooling and relieving summer heat is lost, so that a portable safe refrigeration device is needed, and the demand of people on cool and delicious iced drinks can be met anytime and anywhere.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take knapsack of refrigerator solves when the outdoor environment of sweltering, can not let the drink keep the problem of icing for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: a backpack with a refrigerator, comprising: the shell is internally provided with a cavity; the battery chamber is arranged at the bottom end inside the cavity; the storage box and the battery chamber are arranged at the bottom end of the cavity side by side; the heat dissipation chamber is arranged at the top inside the cavity; the cooling chamber is clamped between the storage box and the heat dissipation chamber and is communicated with the storage box; and the refrigerating element is clamped between the cooling chamber and the heat dissipation chamber.

As an improvement of the utility model, the inner wall of the storage box is provided with a heat preservation layer; the shell side is equipped with the storage chamber door, the storage chamber door intercommunication the inside setting of storage chamber.

As an improvement of the utility model, a lithium battery is arranged inside the battery chamber;

the battery chamber access door is arranged at the side end of the shell and communicated with the inside of the battery chamber.

As an improvement of the utility model, a circuit switch and an electric quantity & temperature display are arranged at the side end of the shell; the shell is a heat insulation plate with the thickness of 1 cm.

As an improvement of the utility model, a cooling fan is arranged in the cooling chamber near the storage box; the cooling fan is communicated with the cooling chamber and the storage box.

As an improvement of the utility model, a heat dissipation fan is arranged at the top end of the shell and communicated with the inside of the heat dissipation chamber; the shell side is equipped with the ventilation grid, the ventilation grid intercommunication the indoor portion of heat dissipation sets up.

As an improvement of the present invention, the refrigeration element is a semiconductor refrigeration sheet, and is formed by connecting an N-type semiconductor material and a P-type semiconductor material into a thermocouple pair; one end of the semiconductor refrigerating sheet is a hot end, and the other end of the semiconductor refrigerating sheet is a cold end; the hot end is close to the heat dissipation chamber; the cold end is adjacent to the cooling chamber.

As an improvement of the utility model, circuit switch, electric quantity & temperature monitor, cooling blower, cooling fan and refrigeration component all connect in the lithium cell, and adopt direct current parallel circuit.

As an improvement of the utility model, still include: the backpack connecting piece is arranged at the outer side end of the shell and consists of an upper shoulder belt, a lower shoulder belt and an adjusting buckle; the adjusting buckle comprises a sliding sleeve, the sliding sleeve is of a hollow square tubular structure, the top end of the sliding sleeve is sealed, two opposite sliding grooves are formed in the inner wall of the sliding sleeve, a pressing plate is arranged between the sliding grooves, a buckling plate is bent at an obtuse angle, one end of the buckling plate is hinged to one end, close to the top end of the sliding sleeve, of the pressing plate, and a clamping tooth is arranged at the other end of the buckling plate, close to the pressing plate; the upper shoulder strap is arranged between the pressing plate and the buckle plate, one end of the upper shoulder strap penetrates through the top end of the sliding sleeve and is connected with the top end of the shell, and the other end of the upper shoulder strap extends out of the bottom end of the sliding sleeve; one end of the lower shoulder strap is connected to the bottom end of the shell, and the other end of the lower shoulder strap is connected to the bottom end of the sliding sleeve.

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 the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention;

FIG. 4 is an internal view of the present invention;

fig. 5 is a schematic view of the adjusting buckle of the present invention.

The components in the figure are:

the solar battery comprises a shell 1, a cavity 1-1, a circuit switch 1-2, an electric quantity and temperature display 1-3, a battery chamber 2, a lithium battery 2-1, a battery chamber access door 2-2, a storage box 3, a thermal insulation bag 3-1, a storage box door 3-2, a cooling chamber 4, a cooling fan 4-1, a heat dissipation chamber 5-1, a heat dissipation fan 5-1, a ventilation grid 5-2, a refrigeration element 6, a backpack connecting piece 7-1, a sliding sleeve 7-2, a sliding groove 7-2, a buckle 7-3, a pressing plate 7-4, an upper shoulder strap 7-5 and a lower shoulder strap 7-6.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1, a backpack with a refrigerator includes: the device comprises a shell 1, wherein a cavity 1-1 is formed in the shell 1; the battery chamber 2 is arranged at the bottom end inside the cavity 1-1; the storage box 3 and the battery chamber 2 are arranged at the bottom end of the cavity 1-1 side by side; the heat dissipation chamber 5 is arranged at the top inside the cavity 1-1; the cooling chamber 4 is clamped between the storage box 3 and the heat dissipation chamber 5, and is communicated with the storage box 3; and the refrigerating element 6 is clamped between the cooling chamber 4 and the heat dissipation chamber 5, and the refrigerating element 6 is arranged between the cooling chamber 4 and the heat dissipation chamber 5.

The working principle and the beneficial effects of the technical scheme are as follows: the refrigeration element is driven to refrigerate in the closed space of the storage box through power supply of the power supply, various beverages are placed in the storage box to be iced, people can enjoy the iced beverages at any time and any place while carrying the whole backpack out, and the iced beverages which cannot be drunk up can be continuously placed in the storage box to be stored and kept at temperature.

In one embodiment of the utility model, the inner wall of the storage box 3 is provided with a heat preservation layer 3-1; the side end of the shell 1 is provided with a storage box door 3-2, and the storage box door 3-2 is communicated with the inside of the storage box 3.

The working principle and the beneficial effects of the technical scheme are as follows: the heat preservation adopts phenolic foam material, can greatly reduced the inside heat transfer with the external environment of storage tank, avoids influencing the cooling effect because of the heat preservation effect is unsatisfactory.

In an embodiment of the present invention, a lithium battery 2-1 is disposed inside the battery chamber 2; a battery chamber access door 2-2 is arranged at the side end of the shell 1, and the battery chamber access door 2-2 is communicated with the inside of the battery chamber 2.

The working principle and the beneficial effects of the technical scheme are as follows: use the lithium cell as the power, the security is high, and the lithium cell discharge efficiency is high, can relapse charge-discharge, and the high-usage, after locating the trouble, also conveniently change, it is more convenient to maintain.

In one embodiment of the present invention, the side end of the housing 1 is provided with a circuit switch 1-2 and a power & temperature display 1-3, and the rated voltage is 12V; the shell 1 is a heat insulation plate with the thickness of 1 cm.

The working principle and the beneficial effects of the technical scheme are as follows: the circuit switch is Zhongye SS-22F32-2, the temperature display is a Ming embedded electronic thermometer, the current outdoor environment temperature can be known very directly, the electric quantity display is a battery quantity display board of a lithium battery of a Juque 12V lead-acid battery, and the electric quantity display board is used for prompting the residual electric quantity of the lithium battery of people so as to charge or replace the battery in time when the electric quantity of the battery is insufficient. The shell adopts the heat preservation cystosepiment, considers shell and heat preservation to carry out dual constant temperature guarantee on the one hand, and on the other hand considers weight problem, and the cystosepiment is as light material, when bearing on one's body, can not cause too big burden to people

In one embodiment of the present invention, a cooling fan 4-1 is disposed in the cooling chamber 4 near the storage box 3, the cooling fan 4-1 adopts an air suction mode, and the rated voltage is 12V; the cooling fan 4-1 is communicated with the cooling chamber 4 and the storage box 3.

The working principle and the beneficial effects of the technical scheme are as follows: cooling blower intercommunication cooling chamber and storage tank realize that the air of inner space between cooling chamber and the storage tank flows, has prevented on the one hand that refrigerating element from congealing frost, and on the other hand has accelerated the cooling rate of storage tank.

In one embodiment of the present invention, a heat dissipation fan 5-1 is disposed at the top end of the housing 1, and the rated voltage is 12V; the heat dissipation fan 5-1 is communicated with the interior of the heat dissipation chamber 5; the side end of the shell 1 is provided with a ventilation grille 5-2, and the ventilation grille 5-2 is communicated with the inside of the heat dissipation chamber 5.

The working principle and the beneficial effects of the technical scheme are as follows: the heat dissipation fan adopts an outer air exhaust mode to realize air flow of a heat dissipation chamber and an external space so as to quickly take away heat emitted by the working of the refrigeration element, thereby prolonging the service life of the refrigeration element and increasing the working efficiency of the refrigeration element.

In an embodiment of the present invention, the refrigeration element 6 is a semiconductor refrigeration sheet, and is formed by connecting an N-type semiconductor material and a P-type semiconductor material into a thermocouple pair, and the rated voltage is 12V; one end of the semiconductor refrigerating sheet is a hot end, and the other end of the semiconductor refrigerating sheet is a cold end; the hot end is close to the heat dissipation chamber 5; the cold end is close to the cooling chamber 4.

The working principle and the beneficial effects of the technical scheme are as follows: the semiconductor refrigerating sheet is a heat transfer tool, when a thermocouple formed by connecting an N-type semiconductor material and a P-type semiconductor material has current passing through, heat transfer can be generated between two ends, the heat can be transferred from one end to the other end, and temperature difference is generated to form a cold end and a hot end. Thereby realizing the refrigeration work of the storage box environment. The semiconductor refrigeration piece is used as a special cold source, and has the following advantages and characteristics in technical application: the said device has no need of any refrigerant, and can continuously work without vibration, noise, long service life and easy installation. The semiconductor refrigerating plate is a current transduction type plate, and high-precision temperature control can be realized through control of input current. And thirdly, the thermal inertia of the semiconductor refrigerating sheet is very small, the refrigerating and heating time is short, and the maximum temperature difference can be achieved by the refrigerating sheet when the power is on for less than one minute. And (IV) the semiconductor refrigerating piece has a large temperature difference range and can meet the conventional refrigerating requirements.

In an embodiment of the present invention, the circuit switch 1-2, the electric quantity & temperature display 1-3, the cooling fan 4-1, the cooling fan 5-1 and the refrigeration element 6 are all connected to the lithium battery 2-1, and a dc parallel circuit is adopted.

In an embodiment of the present invention, the power supply further comprises a voltage stabilizer 8, wherein the voltage stabilizer 8 is a switching voltage stabilizer integrated circuit LM7812, and the output voltage is 12V; and the switch voltage-stabilizing integrated circuit LM7812 is arranged at the current output end of the lithium battery 2-1.

The working principle and the beneficial effects of the technical scheme are as follows: considering that the lithium cell can become unstable along with the continuation of the process of discharging, and the rated voltage of each electronic work original paper is 12V, consequently chooseing for use LM7812 as voltage regulator, output stability is good, convenient to use, output overcurrent, overheated automatic protection.

Referring to fig. 5, in an embodiment of the present invention, the method further includes: the bearing connecting piece 7 is arranged at the outer side end of the shell 1, and the bearing connecting piece 7 consists of an upper shoulder belt 7-5, a lower shoulder belt 7-6 and an adjusting buckle; the adjusting buckle comprises a sliding sleeve 7-1, the sliding sleeve 7-1 is of a hollow square tubular structure, the top end of the sliding sleeve 7-1 is sealed, two opposite sliding grooves 7-2 are formed in the inner wall of the sliding sleeve 7-1, a pressing plate 7-4 is arranged between the sliding grooves 7-2, a buckle plate 7-3 is bent at an obtuse angle, one end of the buckle plate 7-3 is hinged to one end, close to the top end of the sliding sleeve 7-1, of the pressing plate 7-4, and clamping teeth are arranged at the other end, close to the pressing plate 7-4, of the buckle plate 7-3; the upper shoulder straps 7-5 are arranged between the pressing plate 7-4 and the buckle plate 7-3, one ends of the upper shoulder straps 7-5 penetrate through the top end of the sliding sleeve 7-1 and are connected with the top end of the shell 1, and the other ends of the upper shoulder straps 7-5 extend out of the bottom end of the sliding sleeve 7-1; one end of the lower shoulder strap 7-6 is connected with the bottom end of the shell 1, and the other end of the lower shoulder strap 7-6 is connected with the bottom end of the sliding sleeve 7-1.

The working principle and the beneficial effects of the technical scheme are as follows: when the upper shoulder strap is used, the sliding sleeve slides upwards to extend out of the pressing plate and the buckle plate, the upper shoulder strap penetrates into the upper shoulder strap, the upper shoulder strap is adjusted to a proper position, the sliding sleeve is downwards moved, the pressing plate and the buckle plate are inserted into the sliding sleeve, and the upper shoulder strap can be well restrained by the tooth-shaped structure of the buckle plate. The length of use of going up the baldric is adjusted according to user's difference, uses more comfortablely, and is more humanized, and when going out, both shoulders braces can be very convenient carry the knapsack back of the body behind one's back, and convenient and not influenced by time, place.

Finally, it should be noted 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit of the present invention.

Claims

1. A backpack with a refrigerator, comprising:

the device comprises a shell (1), wherein a cavity (1-1) is formed in the shell (1);

the battery chamber (2), the battery chamber (2) is arranged at the bottom end inside the cavity (1-1);

the storage box (3) and the battery chamber (2) are arranged at the bottom end of the cavity (1-1) side by side;

the heat dissipation chamber (5), the heat dissipation chamber (5) is arranged at the top inside the cavity (1-1);

the cooling chamber (4) is clamped between the storage box (3) and the heat dissipation chamber (5), and the cooling chamber (4) is communicated with the storage box (3);

and the refrigerating element (6) is clamped between the cooling chamber (4) and the heat dissipation chamber (5).

2. The backpack with refrigerator as claimed in claim 1, wherein:

the inner wall of the storage box (3) is provided with a heat-insulating layer (3-1);

the storage box is characterized in that a storage box door (3-2) is arranged at the side end of the shell (1), and the storage box door (3-2) is communicated with the interior of the storage box (3).

3. The backpack with refrigerator as claimed in claim 1, wherein:

a lithium battery (2-1) is arranged in the battery chamber (2);

a battery chamber access door (2-2) is arranged at the side end of the shell (1), and the battery chamber access door (2-2) is communicated with the interior of the battery chamber (2).

4. The backpack with refrigerator as claimed in claim 1, wherein:

a circuit switch (1-2) and an electric quantity and temperature display (1-3) are arranged at the side end of the shell (1);

the shell (1) is a heat insulation plate with the thickness of 1 cm.

5. The backpack with refrigerator as claimed in claim 1, wherein:

a cooling fan (4-1) is arranged in the cooling chamber (4) and close to the storage box (3);

the cooling fan (4-1) is communicated with the cooling chamber (4) and the storage box (3).

6. The backpack with refrigerator as claimed in claim 1, wherein:

a heat radiation fan (5-1) is arranged at the top end of the shell (1), and the heat radiation fan (5-1) is communicated with the interior of the heat radiation chamber (5);

the side end of the shell (1) is provided with a ventilation grating (5-2), and the ventilation grating (5-2) is communicated with the inside of the heat dissipation chamber (5).

7. The backpack with refrigerator as claimed in claim 1, further comprising:

the refrigerating element (6) is a semiconductor refrigerating sheet and is formed by connecting an N-type semiconductor material and a P-type semiconductor material into a thermocouple pair;

one end of the semiconductor refrigerating sheet is a hot end, and the other end of the semiconductor refrigerating sheet is a cold end;

the hot end is close to the heat dissipation chamber (5);

the cold end is close to the cooling chamber (4).

8. The backpack with refrigerator as claimed in claim 3, wherein:

the circuit switch (1-2), the electric quantity and temperature display (1-3), the cooling fan (4-1), the heat dissipation fan (5-1) and the refrigeration element (6) are connected to the lithium battery (2-1) and adopt a direct current parallel circuit.

9. The backpack with refrigerator as claimed in claim 1, further comprising:

the backpack connecting piece (7) is arranged at the outer side end of the shell (1), and the backpack connecting piece (7) consists of an upper shoulder belt (7-5), a lower shoulder belt (7-6) and an adjusting buckle;

the adjusting buckle comprises a sliding sleeve (7-1), the sliding sleeve (7-1) is of a hollow square tubular structure, the top end of the sliding sleeve (7-1) is sealed, two opposite sliding grooves (7-2) are formed in the inner wall of the sliding sleeve (7-1), a pressing plate (7-4) is arranged between the sliding grooves (7-2), a buckling plate (7-3) is bent at an obtuse angle, one end of the buckling plate (7-3) is hinged to one end, close to the top end of the sliding sleeve (7-1), of the pressing plate (7-4), and a clamping tooth is arranged at the other end of the buckling plate (7-3) close to the pressing plate (7-4);

the upper shoulder straps (7-5) are arranged between the pressing plate (7-4) and the buckle plate (7-3), one ends of the upper shoulder straps (7-5) penetrate through the top end of the sliding sleeve (7-1) and are connected with the top end of the shell (1), and the other ends of the upper shoulder straps (7-5) extend out of the bottom end of the sliding sleeve (7-1); one end of the lower shoulder strap (7-6) is connected to the bottom end of the shell (1), and the other end of the lower shoulder strap (7-6) is connected to the bottom end of the sliding sleeve (7-1).