CN213308053U - Outdoor knapsack with heating function - Google Patents

Abstract

The utility model relates to an outdoor knapsack with function of heating, including the knapsack main part, the knapsack main part is separated into workspace and storage area through the heat insulating board, the workspace is provided with refrigeration group, refrigeration group is including first refrigeration group and second refrigeration group, first refrigeration group cold junction is connected through first heat pipe, second refrigeration group hot junction is connected to the soaking plate that sets up in the heat insulating board top through the second heat pipe, first heat pipe encircles the setting along the back district of knapsack main part. The utility model discloses be connected the temperature that is used for maintaining knapsack back district with the heat pipe in first heat pipe and knapsack back district for the cold junction of first refrigeration group in the temperature range that human body is suitable, transmit the hot junction of second refrigeration group with the hot junction of first refrigeration group through the mode of convection current, the hot junction of second refrigeration group is connected with the soaking plate and is used for heating food or beverage. The utility model has the advantages that: the heat at the hot end of the first refrigerating group is utilized by the second refrigerating group for heating food or beverage by the auxiliary group.

Description

Outdoor knapsack with heating function

Technical Field

The utility model belongs to the technical field of outdoor knapsack and specifically relates to an outdoor knapsack with function of heating.

Background

The backpack is necessary equipment in outdoor activities, and along with the continuous development of design concepts and process levels, the backpack is endowed with more functions in the detailed design, so that the backpack emphasizes light weight, firmness and durability, emphasizes carrying comfort, mountaineering, hiking, hole exploration, riding special and the like. Today's outdoor backpack is no longer just one of the tools for carrying equipment, and in some special situations it may even become a warm sleeping bag or a stretcher to save the injuries from being carried out. The essence of outdoor products is to meet the needs of people in outdoor activities, and it is the work of outdoor researchers who are concerned about the conversion of the needs into design.

Disclosure of Invention

An outdoor backpack with a heating function comprises a backpack body, wherein the backpack body is divided into a working area and a storage area by a heat insulation plate, the working area is provided with a refrigerating unit, the refrigerating unit comprises a first refrigerating unit and a second refrigerating unit, the first refrigerating unit comprises a first refrigerating unit cold end, a first semiconductor refrigerating sheet and a first refrigerating unit hot end, the second refrigerating unit comprises a second refrigerating unit hot end, a second semiconductor refrigerating sheet and a second refrigerating unit cold end, an air duct is fixedly connected between the first refrigerating unit hot end and the second refrigerating unit hot end, the left end of the air duct is fixedly provided with an axial flow fan, the wind direction of the axial flow fan is from the first refrigerating unit hot end to the second refrigerating unit hot end, the right end of the air duct is fixedly provided with a centrifugal fan, heat dissipation grooves are further formed in the two ends of an air duct shell, and the first refrigerating unit cold end is connected with a first heat pipe, the heat end of the second refrigerating unit and the second heat pipe are connected to a soaking plate arranged above the heat insulation plate, the first heat pipe is arranged in a surrounding mode along the back area of the backpack body, heat insulation materials are filled in the inner wall of the backpack body, a temperature sensor is placed in the heat insulation materials in the back area, heat dissipation holes are formed in the front face of the backpack body, the heat dissipation holes are aligned with heat dissipation grooves in an air duct in a laminating mode, charging holes are further formed in the side face of the backpack body, and a power source and a controller are further arranged in the working area.

Preferably, the first refrigeration group and the second refrigeration group are symmetrically arranged.

Preferably, the first refrigeration group hot end and the second refrigeration group hot end are both provided with fins, the fins are arranged at the same interval angle of a spiral line, and every two adjacent fins are not overlapped in the circumferential direction.

Preferably, the heat insulation material is foamed polypropylene plastic.

Preferably, the power is electrically connected with the controller, the first semiconductor refrigeration piece and the second semiconductor refrigeration piece are respectively electrically connected with the controller, the controller is provided with a constant temperature control system, when the temperature sensed by the temperature sensor is higher than a set value, the controller controls the first semiconductor refrigeration piece and the second semiconductor refrigeration piece to be connected with forward current, when the temperature sensed by the temperature sensor is lower than the set value, the controller controls the first semiconductor refrigeration piece to be connected with reverse current, and the second semiconductor refrigeration piece is connected with forward current.

The outdoor backpack with the heating function has the following effects:

the heat of the hot end of the first refrigerating unit is utilized by the second refrigerating unit and used for assisting the second refrigerating unit to heat food or beverage, the food or beverage can be normally heated in the backpack carrying process, and the temperature of the back area of the backpack is kept in a comfortable range of a human body.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic front structural view of the present invention;

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

fig. 4 is a schematic structural view of the refrigeration unit of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

the figures are labeled as follows:

1-a backpack body, 11-radiating holes, 12-charging holes, 2-a storage region, 3-a working region, 4-a back region, 5-a refrigerating group, 51-a first refrigerating group cold end, 52-a first semiconductor refrigerating sheet, 53-a first refrigerating group hot end, 54-an axial fan, 55-fins, 56-an air channel, 57-a radiating groove, 58-a centrifugal fan, 59-a second refrigerating group hot end, 510-a second semiconductor refrigerating sheet, 511-a second refrigerating group cold end, 6-a heat insulation board, 7-a heat soaking board, 8-a first heat pipe, 9-a second heat pipe, 10-a power supply, 11-a controller and 12-a heat insulation material.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The semiconductor refrigeration technology utilizes two specific semiconductors to form a PN junction, a certain voltage is applied to two ends of the PN junction, and a thermocouple can generate a Peltier effect, namely, the heat at one end of the thermocouple is transferred to the other end of the thermocouple. The principle of this phenomenon is: when a certain external electric field is applied to two ends of the semiconductor material, the charges move from the part with the high energy level to the part with the relatively lower energy level, and a certain amount of heat is released; conversely, when the electric field is applied, the electric charge moves from the portion of the low energy level to the portion of the high energy level, and a certain amount of heat needs to be absorbed. The semiconductor refrigeration technology has the advantages of relatively simple structure, long service life, small volume and weight, no refrigerant and the like, and the refrigerating sheet can be quickly changed into the heating module only by adjusting the electrifying direction of the refrigerating sheet.

An outdoor backpack with a heating function as shown in fig. 1 to 6 includes a backpack body 1, and the backpack body 1 is divided into a working area 3 and a storage area 2 by a heat insulation board 6. The working area 3 is provided with a refrigerating group 5, the refrigerating group 5 comprises a first refrigerating group and a second refrigerating group, the first refrigerating group comprises a first refrigerating group cold end 51, a first semiconductor refrigerating sheet 52 and a first refrigerating group hot end 53, the second refrigerating group comprises a second refrigerating group hot end 59, a second semiconductor refrigerating sheet 510 and a second refrigerating group cold end 511, an air duct 56 is fixedly connected between the first refrigerating group hot end 53 and the second refrigerating group hot end 59, the left end of the air duct 56 is fixedly provided with an axial flow fan 54, the wind direction of the axial flow fan 54 is from the first refrigerating group hot end 53 to the second refrigerating group hot end 59, the right end of the air duct 56 is fixedly provided with a centrifugal fan 58, two ends of the casing of the air duct 56 are further provided with heat dissipation grooves 57, the left side heat dissipation groove 57 is an air inlet, the right side heat dissipation groove 57 is an air outlet, the second refrigerating group hot end 59 is connected to a soaking plate 7 arranged above the heat insulation board 6 through a second heat pipe 9, the heat pipe is a high-efficiency heat conversion element which is filled with working liquid in a closed vacuum pipe, heat conduction is carried out by utilizing the evaporation and liquefaction phase change conversion of the liquid, heat energy is transferred from a position which is not easy to transfer heat to another position which can effectively dissipate heat, the heat insulation plate 6 is used for separating the working area 3 from the storage area 2, the heat exchange between the working area 3 and the storage area 2 is reduced, the heating effect of the working area 3 is increased, the surface area of the soaking plate 7 is large, the conduction efficiency is high, food is placed on the soaking plate 7, the heat conducted by the soaking plate 7 from the hot end 59 of the second refrigerating unit can be rapidly conducted to the food, the first heat pipe 8 is arranged around the back area 4 of the backpack main body 1, the cold end 51 of the first refrigerating unit is connected with the first heat pipe 8, the heat energy of the back area 4 is transferred to the cold end 51 of the first refrigerating unit through the first heat pipe 8, keep back district 4 constant temperature, back district 4 still fills has insulation material 12, knapsack main part 1 openly is provided with louvre 11, louvre 11 aligns with the laminating of radiating groove 57 in wind channel 56, knapsack main part 1 side still is provided with charging hole 12, workspace 3 still is provided with power 10 and controller 11.

Preferably, the first refrigeration group and the second refrigeration group are symmetrically arranged.

Preferably, the first refrigeration group hot end 53 and the second refrigeration group hot end 59 are both provided with fins 55, the fins 55 are arranged at the same spiral line interval angle, and every two adjacent fins 55 are not overlapped in the circumferential direction, the arrangement mode of the fins 55 can increase the contact area between air and the fins 55 and reduce blocking to the maximum extent, the left side heat dissipation groove 57 of the air duct 56 is an air inlet, the axial flow fan 54 sucks cold air from the air inlet, and transmits a part of heat to the second refrigeration group hot end 59 in a convection heat transmission mode, and the other part of heat is discharged from the right side heat dissipation groove 57.

Preferably, the thermal insulation material 12 is a foamed polypropylene plastic, the foamed polypropylene is a foamed plastic prepared by using polypropylene as a base resin, the heat-resistant temperature is high, 130 ℃, the impact resistance is good, and the foamed polypropylene has a certain memory property, and the original shape can be quickly recovered after impact or flexible deformation, so that the foamed polypropylene is an ideal material for filling the back area 4.

Preferably, the power source 10 is electrically connected to the controller 11, the first semiconductor chilling plate and the second semiconductor chilling plate are electrically connected to the controller 11, the controller 11 is provided with a constant temperature control system, when the temperature sensed by the temperature sensor is higher than a set value, the controller 11 controls the first semiconductor chilling plate 52 and the second semiconductor chilling plate 510 to supply forward current, when the temperature sensed by the temperature sensor is lower than the set value, the controller 11 controls the first semiconductor chilling plate 52 to supply reverse current and the second semiconductor chilling plate 510 to supply forward current, in the constant temperature control system, a digital PID regulator is used to control the temperature of the back area 4, the effect of temperature control is regulated by regulating a proportionality coefficient, and the control is mainly controlled according to a deviation ratio P, an integral I and a differential D. Firstly, the actual temperature of the back area 4 is compared with the proper temperature of the human body, then a deviation can be obtained from the actual temperature, a control signal can be obtained through processing the deviation, and then the power of the first semiconductor refrigeration sheet 52 is adjusted to realize the control of the temperature of the back area 4 of the backpack.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. An outdoor backpack with a heating function comprises a backpack body and is characterized in that the backpack body is divided into a working area and a storage area by a heat insulation plate, the working area is provided with a refrigerating unit, the refrigerating unit comprises a first refrigerating unit and a second refrigerating unit, the first refrigerating unit comprises a first refrigerating unit cold end, a first semiconductor refrigerating sheet and a first refrigerating unit hot end, the second refrigerating unit comprises a second refrigerating unit hot end, a second semiconductor refrigerating sheet and a second refrigerating unit cold end, an air duct is fixedly connected between the first refrigerating unit hot end and the second refrigerating unit hot end, the left end of the air duct is fixedly provided with an axial flow fan, the air direction of the axial flow fan is from the first refrigerating unit hot end to the second refrigerating unit hot end, the right end of the air duct is fixedly provided with a centrifugal fan, the two ends of an air duct shell are also provided with heat dissipation grooves, the first refrigerating unit cold end is connected with a first heat pipe, the heat end of the second refrigerating unit and the second heat pipe are connected to a soaking plate arranged above the heat insulation plate, the first heat pipe is arranged in a surrounding mode along the back area of the backpack body, heat insulation materials are filled in the inner wall of the backpack body, a temperature sensor is placed in the heat insulation materials in the back area, heat dissipation holes are formed in the front face of the backpack body, the heat dissipation holes are aligned with heat dissipation grooves in an air duct in a laminating mode, charging holes are further formed in the side face of the backpack body, and a power source and a controller are further arranged in the working area.

2. The outdoor backpack with heating function as claimed in claim 1, wherein the first cooling group and the second cooling group are symmetrically arranged.

3. The outdoor backpack with the heating function as claimed in claim 1, wherein the first and second refrigeration groups are provided with fins, the fins are arranged at the same angular interval of the spiral line, and every two adjacent fins are not overlapped in the circumferential direction.

4. The outdoor backpack with heating function as claimed in claim 1, wherein the thermal insulation material is expanded polypropylene plastic.

5. The outdoor backpack with the heating function as claimed in claim 1, wherein the power source is electrically connected to the controller, the first semiconductor refrigeration sheet and the second semiconductor refrigeration sheet are respectively electrically connected to the controller, the controller is provided with a thermostatic control system, when the temperature sensed by the temperature sensor is higher than a set value, the controller controls the first semiconductor refrigeration sheet and the second semiconductor refrigeration sheet to supply forward current, and when the temperature sensed by the temperature sensor is lower than the set value, the controller controls the first semiconductor refrigeration sheet to supply reverse current and the second semiconductor refrigeration sheet to supply forward current.

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