CN211510852U

CN211510852U - Rechargeable backpack

Info

Publication number: CN211510852U
Application number: CN202020096886.5U
Authority: CN
Inventors: 陈涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-18
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a charging backpack, which comprises a schoolbag body, wherein shoulder straps are arranged on two sides of the back of the schoolbag body, the backpack also comprises a charging and discharging power supply and a power generation device which generates electric energy through temperature difference, the power generation device is electrically connected with the charging and discharging power supply, and the power generation device is arranged on the back of the schoolbag body; its advantage is when user's schoolbag body of carrying on the back, and user's health can produce a large amount of heats, and the heat is located the schoolbag body back of the back, and heat conduction to power generation facility, power generation facility can be with heat conversion to the electric energy, the heat that can make full use of user give out, and power generation facility stores in the charge-discharge power after turning into the electric energy with the heat, and the charge-discharge power is used for supplying power to external equipment.

Description

Rechargeable backpack

Technical Field

The utility model belongs to the technical field of a schoolbag technique and specifically relates to a backpack charges.

Background

The backpack is used for containing personal articles, is usually carried on the back of a human body, is suitable for outdoor exercises, travels and the like, but the existing backpack has single function and is mainly used for containing articles. When people do outdoor exercises or travel, the mobile power supply is usually prepared for charging mobile terminals such as mobile phones, but the existing mobile power supply is heavy and carries the mobile power supply in time, and the electric quantity of the mobile power supply is limited, so that the inventor designs a charging backpack, and the heat generated by the back of a human body is converted into electric energy to fully utilize the heat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the deficiency of the prior art and providing a rechargeable backpack.

The utility model discloses a technical scheme:

the utility model provides a backpack charges, includes the schoolbag body, the back both sides of schoolbag body are equipped with the baldric, still include charge-discharge power and through the power generation facility of difference in temperature production electric energy, power generation facility is connected with charge-discharge power electricity, power generation facility sets up the back at the schoolbag body.

The power generation device comprises a plurality of temperature difference semiconductor devices which are connected in parallel or in series.

The charging backpack further comprises a USB input end and a USB output end, and the USB input end and the USB output end are respectively electrically connected with a charging and discharging power supply.

One preferred scheme is that one side of the shoulder strap, which is far away from the schoolbag body, is provided with a display screen for displaying the power generation state, and the display screen is electrically connected with the power generation device.

The utility model provides a preferred scheme is that the backpack that charges still includes the shrink umbrella, the shrink umbrella includes umbrella stick and umbrella face, the schoolbag body is equipped with the chamber that holds the shrink umbrella, the one end of umbrella stick is fixed and is being held the intracavity, and the other end is equipped with the umbrella face and can stretch out and hold the chamber.

One preferred scheme is that a cover-shaped knob is arranged at the opening of the accommodating cavity and is in threaded connection with the opening of the accommodating cavity.

The preferred scheme is that the rechargeable backpack further comprises a breathable net, the breathable net is fixed to the back of the schoolbag body, and the power generation device is arranged between the back of the schoolbag body and the breathable net.

The preferred scheme is that the rechargeable backpack further comprises a fingerprint lock and a cover plate, a schoolbag opening is arranged in front of the schoolbag body, the edge of the cover plate is hinged to the schoolbag opening, and the other side face of the cover plate is locked with the schoolbag opening through the fingerprint lock.

The preferred scheme is that the rechargeable backpack further comprises a control panel, the control panel comprises a GPS positioning module and a Bluetooth module connected with an external mobile phone, and the control panel is electrically connected with a charging and discharging power supply.

The schoolbag comprises a schoolbag body and is characterized in that a groove is formed in the side portion of the schoolbag body, a pull-type storage bag is arranged in the groove, and the pull-type storage bag is fixed with the groove through a buckle.

Synthesize above-mentioned technical scheme, the beneficial effects of the utility model: when the user carries on the back the schoolbag body, user's health can produce a large amount of heats, and the heat is located this back of the body of schoolbag, and heat conduction to power generation facility, power generation facility can be with heat conversion to the electric energy, the heat that can make full use of user give out, power generation facility with heat after the electric energy of heat conversion, store in charge-discharge power supply, charge-discharge power supply is used for supplying power to external equipment.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

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

FIG. 2 is a schematic view of the back of the present invention;

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

FIG. 4 is a schematic view of another side of the present invention;

FIG. 5 is a schematic view of the power generation assembly of the present invention disposed within the body of the schoolbag;

fig. 6 is a schematic view of a power generation device according to the present invention;

fig. 7 is a working principle diagram of the present invention.

Detailed Description

For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 7, a rechargeable backpack includes a schoolbag body 10, shoulder straps 11 are disposed on two sides of the back of the schoolbag body 10, and the backpack further includes a charging and discharging power supply 30 and a power generation device 20 generating electric energy through temperature difference, the power generation device 20 is electrically connected to the charging and discharging power supply 30, and the power generation device 20 is disposed on the back of the schoolbag body 10. The charging and discharging power supply 30 is a charging and discharging battery. The middle part of the shoulder strap 11 is provided with an adjusting buckle 111 for adjusting the length of the shoulder strap 11. When the user carries schoolbag body 10 on the back, user's health can produce a large amount of heats, and the heat is located schoolbag body 10 back of the body, and heat conduction to power generation facility 20, power generation facility 20 can turn into the electric energy with the heat, the heat that can make full use of user's giving out, power generation facility 20 with the heat after turning into the electric energy, store in charge-discharge power supply 30, charge-discharge power supply 30 is used for supplying power to external equipment.

As shown in fig. 1 to 7, the power generation device 20 includes a plurality of thermoelectric semiconductor devices 21, and the plurality of thermoelectric semiconductor devices 21 are connected in parallel or in series with each other. When the temperature difference of the temperature difference semiconductor device 21 is about 20 degrees, the open-circuit voltage is about 0.97V, and the current is about 225 mA; when the temperature difference of the temperature difference semiconductor device 21 is about 40 degrees, the open-circuit voltage is about 1.8 v, and the current is about 368 milliamperes. Wherein, a plurality of difference in temperature semiconductor device 21 can be parallelly connected or establish ties as required, the utility model discloses in, the quantity of difference in temperature semiconductor device 21 is 8, 8 difference in temperature semiconductor device 21 equipartitions at the back of schoolbag body 10. The temperature difference semiconductor device 21 can convert the temperature difference into electric energy, fully utilizes the heat generated by the user carrying the schoolbag body 10, and can cool the back of the user.

As shown in fig. 1 to 7, the charging backpack further includes a USB input end 12 and a USB output end 13, and the USB input end 12 and the USB output end 13 are electrically connected to the charging and discharging power supply 30, respectively. One side of schoolbag body 10 is equipped with first fixed box 70, and USB input 12 is fixed at first fixed box 70 lateral wall, and the opposite side of schoolbag body 10 is equipped with the fixed box 80 of second, and USB output 13 is fixed at the fixed box 80 lateral wall of second, and USB output 13 can be with the electric energy output in the charge-discharge power supply 30 for supply power to external equipment, like terminal electronic product such as cell-phone, mobile digital equipment. Meanwhile, the USB input terminal 12 can also charge the charging and discharging power supply 30.

As shown in fig. 1 to 7, a display 40 for displaying a power generation state is disposed on a side of the shoulder strap 11 away from the schoolbag body 10, and the display 40 is electrically connected to the power generation device 20. The display screen 40 is used for displaying the operation condition of the power generation device 20 and the power amount of the charging and discharging power supply 30.

As shown in fig. 1 to 7, the rechargeable backpack further includes a retractable umbrella, the retractable umbrella includes an umbrella handle and an umbrella cover, the schoolbag body 10 is provided with a containing cavity for containing the retractable umbrella, one end of the umbrella handle is fixed in the containing cavity, and the other end of the umbrella handle is provided with the umbrella cover and can extend out of the containing cavity. The intracavity can be accomodate holding to the shrink umbrella, and when the rainy day appeared, the other end of umbrella stick stretches out and holds the chamber, struts the umbrella face, conveniently hides wind and rain, need not handheld umbrella stick, liberates user's both hands.

As shown in fig. 1 to 7, a cover-shaped knob 15 is disposed at the opening of the accommodating cavity, and the cover-shaped knob 15 is in threaded connection with the opening of the accommodating cavity. The cover-like knob 15 is used to cover the opening of the receiving cavity and prevent the collapsed umbrella from extending out of the receiving cavity.

As shown in fig. 1 to 7, the rechargeable backpack further includes a ventilation net 16, the ventilation net 16 is fixed to the back of the schoolbag body 10, and the power generation device 20 is disposed between the back of the schoolbag body 10 and the ventilation net 16. The ventilation net 16 can prevent the user from completely contacting with the back of the schoolbag body 10, and the ventilation net 16 can reduce the sweat on the back of the user.

As shown in fig. 1 to 7, the rechargeable backpack further includes a fingerprint lock 17 and a cover plate 18, a schoolbag opening is disposed in the front of the schoolbag body 10, an edge of the cover plate 18 is hinged to the schoolbag opening, and the other side surface of the cover plate is locked to the schoolbag opening through the fingerprint lock 17. The fingerprint lock 17 can be opened only after inputting the correct fingerprint, so that some important things can be put to prevent the private use of outsiders.

As shown in fig. 1 to 7, the rechargeable backpack further includes a control board 22, the control board 22 includes a GPS positioning module 221 and a bluetooth module 222 connected to an external mobile phone, and the control board 22 is electrically connected to the charging and discharging power supply 30. The external mobile phone is connected with the Bluetooth module 222 through Bluetooth, and the electric quantity of the rechargeable backpack can be monitored through the mobile phone.

As shown in fig. 1 to 7, a zipper opening is provided at the top of the schoolbag body 10, and the zipper opening is opened or closed by a zipper 19 provided. The zipper 19 is locked by another fingerprint lock 17.

As shown in fig. 1 to 7, a groove is formed in a side portion of the schoolbag body 10, a pull type storage bag 60 is arranged in the groove, and the pull type storage bag 60 is fixed to the groove through a buckle. Small articles can be placed in the pull-type storage bag 60, and the pull-type storage bag is convenient to take and place.

As shown in fig. 1 to 7, the back of the schoolbag body 10 is further provided with a belt and a belt buckle 90, wherein the belt buckle 90 is used for adjusting the length of the belt.

The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a backpack charges, includes the schoolbag body, the back both sides of schoolbag body are equipped with the baldric, its characterized in that still includes charge and discharge power and the power generation facility that produces the electric energy through the difference in temperature, power generation facility is connected with charge and discharge power electricity, power generation facility sets up the back at the schoolbag body.

2. The charging backpack according to claim 1, wherein the power generation device comprises a plurality of thermoelectric semiconductor devices, and the plurality of thermoelectric semiconductor devices are connected in parallel or in series with each other.

3. The charging backpack according to claim 1 or 2, further comprising a USB input terminal and a USB output terminal, wherein the USB input terminal and the USB output terminal are electrically connected to a charging and discharging power supply, respectively.

4. The charging backpack as recited in claim 1 or 2, wherein a display screen for displaying a power generation state is disposed on a side of the shoulder strap away from the schoolbag body, and the display screen is electrically connected to the power generation device.

5. The rechargeable backpack as recited in claim 3, further comprising a retractable umbrella, wherein the retractable umbrella comprises an umbrella handle and an umbrella cover, the schoolbag body is provided with a containing cavity for containing the retractable umbrella, one end of the umbrella handle is fixed in the containing cavity, and the other end of the umbrella handle is provided with the umbrella cover and can extend out of the containing cavity.

6. The rechargeable backpack as recited in claim 5, wherein a cap-shaped knob is disposed at the opening of the accommodating cavity, and the cap-shaped knob is in threaded connection with the opening of the accommodating cavity.

7. The rechargeable backpack as claimed in claim 1 or 2, further comprising a ventilation net fixed on the back of the schoolbag body, wherein the power generation device is arranged between the back of the schoolbag body and the ventilation net.

8. The rechargeable backpack as claimed in claim 1 or 2, further comprising a fingerprint lock and a cover plate, wherein the front of the schoolbag body is provided with a schoolbag opening, the edge of the cover plate is hinged with the schoolbag opening, and the other side surface of the cover plate is locked with the schoolbag opening through the provided fingerprint lock.

9. The charging backpack according to claim 1 or 2, further comprising a control panel, wherein the control panel comprises a GPS positioning module and a bluetooth module connected to an external mobile phone, and the control panel is electrically connected to a charging and discharging power supply.

10. The charging backpack as recited in claim 1 or 2, wherein a groove is provided at a side portion of the schoolbag body, a pull type storage bag is provided in the groove, and the pull type storage bag and the groove are fixed by a buckle.