CN114190688A - Floated energy collection knapsack based on friction generates electricity - Google Patents
Floated energy collection knapsack based on friction generates electricity Download PDFInfo
- Publication number
- CN114190688A CN114190688A CN202111571276.1A CN202111571276A CN114190688A CN 114190688 A CN114190688 A CN 114190688A CN 202111571276 A CN202111571276 A CN 202111571276A CN 114190688 A CN114190688 A CN 114190688A
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- Prior art keywords
- backpack
- control unit
- backpack body
- unit box
- connecting plate
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- 230000005611 electricity Effects 0.000 title description 2
- 238000001179 sorption measurement Methods 0.000 claims abstract description 6
- 239000000872 buffer Substances 0.000 claims description 34
- 230000007704 transition Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000013016 damping Methods 0.000 claims description 10
- 210000000056 organ Anatomy 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims 7
- 239000012528 membrane Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008093 supporting effect Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- 230000002633 protecting effect Effects 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
- A45F3/047—Sacks or packs carried on the body by means of two straps passing over the two shoulders with adjustable fastenings for the shoulder straps or waist belts
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C15/00—Purses, bags, luggage or other receptacles covered by groups A45C1/00 - A45C11/00, combined with other objects or articles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Portable Outdoor Equipment (AREA)
Abstract
The invention relates to the technical field of bags and bags, in particular to a suspended energy collecting backpack based on triboelectricity generation, which comprises a collecting backpack body, wherein a control unit box body is arranged at the rear side of the collecting backpack body, a backpack body connecting plate is arranged inside the control unit box body, connecting hanging blocks are symmetrically arranged on the upper side of the front side of the backpack body connecting plate in the left-right direction, an adsorption magnet is arranged in the middle of the front side of each connecting hanging block, limiting springs are symmetrically arranged on the lower side of each connecting hanging block and on the back side of the backpack body connecting plate in the left-right direction, spring mounting plates are arranged on the back side of the backpack body connecting plate and on the lower side of the limiting springs, a backpack body bearing plate is arranged on the lower side of the backpack body connecting plate, a backpack body is arranged on the front side of the control unit box body, bearing plate slots are arranged on the back side of the backpack body and in positions corresponding to the backpack bearing plate, this scheme overall structure is simple, and convenient to detach installation between knapsack inclusion and the control unit box.
Description
Technical Field
The invention relates to the technical field of bags and bags, in particular to a suspended energy collecting backpack based on triboelectricity generation.
Background
The backpack brings convenience to people in daily life, simultaneously releases the freedom of hands, and is widely used due to the characteristics of convenience and practicability, however, the common backpack has a common problem that the carried heavy object can float up and down along with the movement of the gravity center fluctuation such as walking and running of people, so that the up-and-down fluctuation of the heavy object can inevitably lead to the generation of useless work, consumes the energy of the human body, and even when the heavy object reaches a certain weight, the movement of the human body can be seriously influenced, therefore, a backpack device for decoupling the movement of the backpack and the human body when the gravity center fluctuation of the human body moves up and down is explored, the useless work of the human body on carrying the heavy object can be reduced or eliminated by breaking the phase synchronization of the backpack and the movement of the human body, the purposes of saving labor, absorbing shock and improving the efficiency of the human body can be achieved, along with the development of science and technology, the suspended energy collecting backpack becomes a new generation of luggage.
The conventional suspended energy collecting backpack is not convenient to disassemble between the backpack body and the control unit, so that the application range is poor, and the suspended energy collecting backpack is inconvenient to overhaul, and therefore the suspended energy collecting backpack based on friction electrification is needed to improve the problems.
Disclosure of Invention
The invention aims to provide a suspended energy collecting backpack based on triboelectricity generation to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a suspended energy collecting backpack based on friction electrification comprises a collecting backpack body, wherein a control unit box body is installed on the rear side of the collecting backpack body, a backpack body connecting plate is installed inside the control unit box body, connecting hanging blocks are symmetrically installed on the left side and the right side of the upper side of the front side of the backpack body connecting plate, an adsorption magnet is installed in the middle of the front side of each connecting hanging block, limiting springs are symmetrically installed on the left side and the right side of the lower side of each connecting hanging block and positioned on the back side of the backpack body connecting plate, spring installing plates are installed on the back side of the backpack body connecting plate and positioned on the lower sides of the limiting springs, a carrying plate is installed on the lower side of the backpack body connecting plate, a backpack body is installed on the front side of the control unit box body, carrying plate inserting grooves are formed in the back side of the backpack and in positions corresponding to the backpack body carrying plates, and connecting hanging seats are installed on the back side of the backpack body and in positions corresponding to the connecting hanging blocks, a transition protective cover is arranged between the control unit box body and the backpack body.
As a preferable scheme of the invention, the connecting hanging seat is provided with a connecting hanging groove corresponding to the connecting hanging block, and the middle of the front surface of the connecting hanging seat is provided with a magnet block matched with the adsorption magnet.
As a preferable scheme of the invention, a backpack belting is installed on the back surface of the control unit box body, a waist-back supporting plate is installed in the middle of the back surface of the control unit box body, a layered linkage friction electrification unit is installed inside the control unit box body and on one side close to the backpack belting, a buffer supporting plate is installed on the front surface of the layered linkage friction electrification unit, guide slide bars are symmetrically installed on the left side and the right side of the front surface of the buffer supporting plate, a sliding sleeve is installed in the middle of the guide slide bars, buffer springs are symmetrically installed on the outer wall of the guide slide bars and on the upper side and the lower side of the sliding sleeve, and a damping buffer is installed on the front surface of the buffer supporting plate and on the upper side of the backpack connecting plate.
As a preferable scheme of the invention, the shape of the waist and back support plate is matched with the line of the waist and back of a human body, slide bar mounting seats are arranged on the front surface of the buffer support plate and positioned at the upper end and the lower end of the guide slide bar, and the lower end of the damping buffer is connected with the bag body connecting plate.
As the preferable scheme of the invention, the bag body connecting plate is connected with the sliding sleeve in a welding mode.
As a preferable scheme of the invention, a flexible photovoltaic panel is installed on the lower side of the front surface of the backpack body, and a PTFE film is sleeved on the outer wall of the flexible photovoltaic panel.
As a preferable scheme of the invention, the transition protective cover and the backpack body are both made of nylon fabric, a zipper is installed at the joint of the transition protective cover and the backpack body, and the transition protective cover is of an organ structure.
As a preferable scheme of the invention, the control unit box body, the transition protective cover and the inside of the backpack body are all provided with PTFE films, and an inverter is mounted in the backpack body at a position corresponding to the flexible photovoltaic panel.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the backpack body bearing plate at the bottom of the backpack body connecting plate can be inserted into the inner side of the bottom of the backpack body, so that a certain bearing effect is exerted on the backpack body, meanwhile, the connecting hanging groove and the connecting hanging block are matched with each other, so that the backpack body connecting plate and the backpack body can be better connected, and the backpack body can be ensured not to fall off from the backpack body connecting plate in the using process, meanwhile, the transition protective cover arranged in an organ structure can play a certain shielding and protecting effect on elements in the control unit box body, and can also fluctuate up and down along with the shaking of the backpack body when the backpack body shakes and buffers up and down, in addition, the buffer spring, the damping buffer and the like are matched for use, so that the buffer and neutralizing effect can be exerted on the backpack body in the process of floating up and down, and the waist and back supporting plate can be well attached to the back of a user, thereby the travelling comfort when the user uses this device has been improved, and the joining of flexible photovoltaic board makes this device can collect the light energy when using again.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the backside structure of the present invention;
FIG. 3 is a schematic diagram of the internal structure of the control unit case of the present invention;
FIG. 4 is a schematic view of a portion of the present invention;
FIG. 5 is a schematic view of a portion of the present invention;
FIG. 6 is a schematic diagram of a front structure of a bag body connecting plate according to the present invention;
FIG. 7 is a schematic view of the structure of the back of a connecting plate of the bag body of the present invention;
FIG. 8 is a schematic view of the back face of the backpack body of the present invention;
fig. 9 is a front structural view of the backpack body of the present invention.
In the figure: 1. collecting the backpack body; 2. a control unit box; 3. a bag body connecting plate; 4. connecting the hanging blocks; 5. adsorbing a magnet; 6. a limiting spring; 7. a spring mounting plate; 8. a bag body bearing plate; 9. a backpack body; 10. a bearing plate slot; 11. connecting a hanging seat; 12. a transition shield; 13. connecting the hanging groove; 101. a lumbar support plate; 14. a backpack belt; 15. a layer-type linkage friction electrification unit; 16. a buffer support plate; 17. a guide slide bar; 18. a sliding sleeve; 19. a buffer spring; 20. a damping buffer; 21. a flexible photovoltaic panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the invention, the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-9, the present invention provides a technical solution:
a suspended energy collecting backpack based on friction electrification comprises a collecting backpack body 1, a control unit box body 2 is installed on the rear side of the collecting backpack body 1, a backpack body connecting plate 3 is installed inside the control unit box body 2, connecting hanging blocks 4 are symmetrically installed on the upper side of the front side of the backpack body connecting plate 3 in the left-right direction, an adsorption magnet 5 is installed in the middle of the front side of each connecting hanging block 4, limiting springs 6 are symmetrically installed on the lower side of each connecting hanging block 4 and positioned on the back side of the backpack body connecting plate 3 in the left-right direction, spring mounting plates 7 are installed on the back side of the backpack body connecting plate 3 and positioned on the lower sides of the limiting springs 6, a backpack body bearing plate 8 is installed on the lower side of the backpack body connecting plate 3, a backpack body 9 is installed on the front side of the control unit box body 2, bearing plate slots 10 are formed in the back side of the backpack body 9 and in positions corresponding to the connecting hanging blocks 4, a transition protective cover 12 is arranged between the control unit box body 2 and the backpack body 9.
Referring to fig. 1-9, a connecting hanging slot 13 corresponding to the connecting hanging block 4 is provided on the connecting hanging seat 11, a magnet block adapted to the absorption magnet 5 is installed in the middle of the front surface of the connecting hanging seat 11, a backpack belt 14 is installed on the back surface of the control unit box 2, a waist back support plate 101 is installed in the middle of the back surface of the control unit box 2, a layered linkage friction electrification unit 15 is installed in one side of the control unit box 2 close to the backpack belt 14, a buffer support plate 16 is installed on the front surface of the layered linkage friction electrification unit 15, guide slide bars 17 are symmetrically installed on the left and right sides of the front surface of the buffer support plate 16, a sliding sleeve 18 is installed in the middle of the guide slide bar 17, buffer springs 19 are symmetrically installed on the outer wall of the guide slide bar 17 and on the upper and lower sides of the sliding sleeve 18, and a damping buffer 20 is installed on the front surface of the buffer support plate 16 and on the upper side of the bag connecting plate 3, the shape of the waist back support plate 101 is matched with the line of the waist back of a human body, slide bar mounting seats are arranged on the front surface of the buffer support plate 16 and positioned at the upper end and the lower end of the guide slide bar 17, the lower end of the damping buffer 20 is connected with the backpack body connecting plate 3, the backpack body connecting plate 3 is connected with the sliding sleeve 18 in a welding mode, the flexible photovoltaic plate 21 is arranged on the lower side of the front surface of the backpack body 9, the outer wall of the flexible photovoltaic plate 21 is sleeved with a PTFE film, the transition protective cover 12 and the backpack body 9 are both made of nylon fabrics, the connecting part of the transition protective cover 12 and the backpack body 9 is provided with a zipper, the transition protective cover 12 is of an organ structure, the control unit box body 2, the transition protective cover 12 and the backpack body 9 are both provided with PTFE films, an inverter is arranged in the backpack body 9 and at the position corresponding to the flexible photovoltaic plate 21, and the backpack body bearing plate 8 at the bottom of the backpack body connecting plate 3 can be inserted into the inner side of the backpack body 9, thereby having a certain supporting effect on the backpack body 9, and simultaneously, the connection hanging groove 13 and the connection hanging block 4 are matched with each other to enable the backpack body connecting plate 3 and the backpack body 9 to be better connected, thereby ensuring that the backpack body 9 cannot fall off from the backpack body connecting plate 3 in the using process, meanwhile, the transition protective cover 12 arranged in an organ structure can not only play a certain shielding and protecting role on elements inside the control unit box body 2, but also can play a role in buffering and neutralizing the backpack body 9 in the up-and-down floating process when the backpack body 9 rocks and buffers up and down, and in addition, the buffer spring 19 and the damping buffer 20 are matched with each other to play a role in buffering and neutralizing the backpack body 9 in the up-and-down floating process, the waist and back support plate 101 can be well attached to the waist and back of a user, thereby improving the comfort when the user uses the device, the addition of the flexible photovoltaic panel 21 in turn enables the present device to collect light energy when in use.
The working process of the invention is as follows: when the backpack 9 is used independently, the zipper at the joint of the transition protective cover 12 and the backpack 9 is unzipped, the connecting hanging block 4 is lifted upwards to the connecting hanging seat 11 to be separated from each other, then the backpack 9 is separated from the control unit box body 2, when the backpack is assembled, the backpack bearing plate 8 is inserted into the bearing plate slot 10 at the bottom of the backpack 9, the connecting hanging block 4 is lifted upwards, the backpack 9 is attached to the connecting hanging block 4, the connecting hanging block 4 is loosened, the connecting hanging block 4 moves downwards under the elastic force of the limiting spring 6 to be hung into the connecting hanging groove 13, then the zipper at the joint of the transition protective cover 12 and the backpack 9 is pulled up, the backpack bearing plate 8 at the bottom of the backpack 3 can be inserted into the inner side at the bottom of the backpack 9 through the arranged connecting plate, and the backpack 9 is supported to a certain degree, meanwhile, the connecting hanging grooves 13 and the connecting hanging blocks 4 are matched with each other, so that the bag body connecting plate 3 and the backpack body 9 can be better connected, thereby ensuring that the backpack body 9 can not fall off from the connecting plate 3 during the use process, meanwhile, the transition protective cover 12 arranged in an organ structure can not only play a certain role of shielding and protecting the elements inside the control unit box body 2, but also can fluctuate up and down along with the shaking of the backpack body 9 when the backpack body 9 shakes and buffers up and down, in addition, the buffer spring 19 and the damping buffer 20 are matched for use, so that the function of buffering and neutralizing the backpack 9 in the process of floating up and down can be achieved, the waist and back support plate 101 can be well attached to the waist and back of a user, thereby the travelling comfort when the user uses this device has been improved, and the joining of flexible photovoltaic board 21 makes this device can collect light energy when using again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a floated energy collection knapsack based on friction is electrified, is including collecting knapsack body (1), its characterized in that: the rear side of the collecting backpack body (1) is provided with a control unit box body (2), the inside of the control unit box body (2) is provided with a backpack connecting plate (3), the front upper side of the backpack connecting plate (3) is bilaterally symmetrically provided with a connecting hanging block (4), the front middle part of the connecting hanging block (4) is provided with an adsorption magnet (5), the lower side of the connecting hanging block (4) is arranged at the back side of the backpack connecting plate (3) and is bilaterally symmetrically provided with a limiting spring (6), the back side of the backpack connecting plate (3) is arranged at the lower side of the limiting spring (6) and is provided with a spring mounting plate (7), the lower side of the backpack connecting plate (3) is provided with a backpack loading plate (8), the front side of the control unit box body (2) is provided with a backpack body (9), the back side of the backpack body (9) is provided with a loading plate slot (10) at a position corresponding to the backpack loading plate (8), a connecting hanging seat (11) is installed on the back surface of the backpack body (9) and at a position corresponding to the connecting hanging block (4), and a transition protective cover (12) is installed between the control unit box body (2) and the backpack body (9).
2. The triboelectric-based, suspended energy harvesting backpack of claim 1, wherein: the connecting and hanging seat (11) is provided with a connecting and hanging groove (13) corresponding to the connecting and hanging block (4), and the middle of the front surface of the connecting and hanging seat (11) is provided with a magnet block matched with the adsorption magnet (5).
3. The triboelectric-based, suspended energy harvesting backpack of claim 1, wherein: a backpack belt (14) is arranged on the back surface of the control unit box body (2), a waist and back support plate (101) is arranged in the middle of the back surface of the control unit box body (2), a layered linkage friction electrification unit (15) is arranged inside the control unit box body (2) and at one side close to the backpack belt (14), the front surface of the layer type linkage friction electrification unit (15) is provided with a buffer support plate (16), the left side and the right side of the front surface of the buffer support plate (16) are symmetrically provided with guide slide bars (17), a sliding sleeve (18) is arranged in the middle of the guide sliding rod (17), buffer springs (19) are symmetrically arranged on the outer wall of the guide sliding rod (17) and positioned at the upper side and the lower side of the sliding sleeve (18), and a damping buffer (20) is arranged on the front surface of the buffer support plate (16) and positioned on the upper side of the bag body connecting plate (3).
4. The triboelectric-based, suspended energy harvesting backpack of claim 3, wherein: the shape of the waist and back support plate (101) is matched with the shape of the waist and back of a human body by lines, slide bar mounting seats are arranged on the front surface of the buffer support plate (16) and positioned at the upper end and the lower end of the guide slide bar (17), and the lower end of the damping buffer (20) is connected with the bag body connecting plate (3).
5. The triboelectric-based, suspended energy harvesting backpack of claim 1, wherein: the bag body connecting plate (3) is connected with the sliding sleeve (18) in a welding mode.
6. The triboelectric-based, suspended energy harvesting backpack of claim 1, wherein: flexible photovoltaic board (21) are installed to the positive downside of knapsack inclusion (9), the outer wall cover of flexible photovoltaic board (21) is equipped with the PTFE membrane.
7. The triboelectric-based, suspended energy harvesting backpack of claim 1, wherein: the transition protective cover (12) and the backpack body (9) are both made of nylon fabrics, a zipper is installed at the joint of the transition protective cover (12) and the backpack body (9), and the transition protective cover (12) is of an organ structure.
8. The triboelectric-based, suspended energy harvesting backpack of claim 1, wherein: PTFE films are arranged in the control unit box body (2), the transition protective cover (12) and the backpack body (9), and an inverter is arranged in the backpack body (9) and at a position corresponding to the flexible photovoltaic panel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571276.1A CN114190688A (en) | 2021-12-21 | 2021-12-21 | Floated energy collection knapsack based on friction generates electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571276.1A CN114190688A (en) | 2021-12-21 | 2021-12-21 | Floated energy collection knapsack based on friction generates electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114190688A true CN114190688A (en) | 2022-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111571276.1A Pending CN114190688A (en) | 2021-12-21 | 2021-12-21 | Floated energy collection knapsack based on friction generates electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114190688A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115778032A (en) * | 2023-02-13 | 2023-03-14 | 泉州圣源警用侦察设备有限公司 | LED braces formula warning equipment for patrol |
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| CN214509982U (en) * | 2021-01-12 | 2021-10-29 | 深圳市茂富兴五金工具有限公司 | Knapsack capable of reducing shoulder burden |
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| CN206852289U (en) * | 2017-06-29 | 2018-01-09 | 关键 | Ride and support knapsack and riding cycle |
| CN209421253U (en) * | 2018-12-19 | 2019-09-24 | 深圳市巢居生活用品有限公司 | A kind of novel floating loss of weight knapsack |
| CN110025121A (en) * | 2019-05-27 | 2019-07-19 | 王浩然 | A kind of school bag with damping |
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| CN115778032B (en) * | 2023-02-13 | 2023-04-18 | 泉州圣源警用侦察设备有限公司 | LED braces formula warning equipment for patrol |
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Application publication date: 20220318 |