CN113098111A - Outdoor power supply that security performance is high - Google Patents

Outdoor power supply that security performance is high Download PDF

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Publication number
CN113098111A
CN113098111A CN202110552100.5A CN202110552100A CN113098111A CN 113098111 A CN113098111 A CN 113098111A CN 202110552100 A CN202110552100 A CN 202110552100A CN 113098111 A CN113098111 A CN 113098111A
Authority
CN
China
Prior art keywords
power supply
heat dissipation
box body
cavity
outdoor power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110552100.5A
Other languages
Chinese (zh)
Inventor
蒋敏
王军
龙翔
叶凯
赵小军
赵顺昌
李强
罗光
凌建荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Beiteli New Energy Co ltd
Shenzhen Betterpower Battery Co ltd
Original Assignee
Jiangxi Beiteli New Energy Co ltd
Shenzhen Betterpower Battery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Beiteli New Energy Co ltd, Shenzhen Betterpower Battery Co ltd filed Critical Jiangxi Beiteli New Energy Co ltd
Priority to CN202110552100.5A priority Critical patent/CN113098111A/en
Publication of CN113098111A publication Critical patent/CN113098111A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20409Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
    • H05K7/20418Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses an outdoor power supply with high safety performance, which comprises a box body, wherein the box body is of a hollow rectangular structure, three cavities, namely a power supply cavity, a first control cavity and a second control cavity, are arranged in the box body, the first control cavity is arranged on the right side in the box body, the second control cavity and the power supply cavity are arranged on the left side in the box body, the second control cavity is arranged in front of the power supply cavity, the first control cavity and the second control cavity are used for controlling the outdoor power supply, a first heat dissipation mechanism and a second heat dissipation mechanism are arranged in the power supply cavity, the first heat dissipation mechanism is used for dissipating hot gas in the power supply cavity, the second heat dissipation mechanism is used for dissipating heat dissipated by the power supply body in the power supply cavity, fixed foot cups are arranged at four end corners of the bottom of the box body, and a buffer mechanism is arranged between the fixed foot cups and the bottom of the box body, so that the safety performance and the practicability of the outdoor power supply are obviously improved, is suitable for popularization.

Description

Outdoor power supply that security performance is high
Technical Field
The invention relates to the technical field of outdoor power supply equipment, in particular to an outdoor power supply with high safety performance.
Background
The power supply is necessary in daily life and work, but a series of problems such as outdoor power utilization, equipment power utilization, power failure and the like are often encountered. Due to the problems of no electricity and power failure, the work cannot be continued, and the daily life of people is also influenced. Particularly in summer with high peak of electricity, the power is cut off to become the ordinary meal; or in some remote areas and countries suffering from war disorder, the problems of power failure and power utilization are often faced, and the product of the portable energy storage power supply becomes one of the choices for solving the problems. Portable emergent energy storage electrical power generating system is removed to wisdom has obtained extensive application in each field, and the product is applicable to and is applicable to various different equipment, cell-phone, flat board, notebook computer, small-size printer, various lamps and lanterns, small-size fish bowl heater, photographic equipment, and electrodynamic balance wheelbarrow charges, and the unmanned aerial vehicle battery charges, on-vehicle outdoor products, for military use and medical equipment etc.. Abandon various shortcomings of traditional power supply, it is real that the house is travel at home, outdoor operations, camping is cooked a meal, mountain-climbing adventure etc. are necessary yields, however, present design to outdoor power supply still is on the contrary simple, especially too dull and simple in the design of outdoor power supply structure security performance, damage easily when carrying in the open air and facing various special topography, heat dispersion is poor, and the outdoor carrying of being difficult for actually for outdoor portability and simplicity can not embody that outdoor power supply is applicable to, and the prevalence is not high, and practicality is low.
Disclosure of Invention
Aiming at the problems, the invention provides an outdoor power supply with high safety performance, which mainly solves the problems in the background technology.
The invention provides an outdoor power supply with high safety performance, which comprises a box body, wherein the box body is of a hollow rectangular structure, three cavities, namely a power supply cavity, a first control cavity and a second control cavity, are formed in the box body, the first control cavity is arranged on the right side in the box body, the second control cavity and the power supply cavity are arranged on the left side of the box body, the second control cavity is arranged in front of the power supply cavity, the first control cavity and the second control cavity are used for controlling an outdoor power supply, a first heat dissipation mechanism and a second heat dissipation mechanism are arranged in the power supply cavity, the first heat dissipation mechanism is used for dissipating hot air in the power supply cavity, the second heat dissipation mechanism is used for dissipating heat dissipated by the power supply body in the power supply cavity, and fixed foot cups are arranged at four end corners of the bottom of the box body, and a buffer mechanism is arranged between the fixed foot cup and the bottom of the box body.
The improved structure is characterized in that the second heat dissipation mechanism comprises an installation base, a second fan, a first buffer spring and a ventilation board, the installation base is arranged at the bottom of the power cavity, the second fan is arranged on the installation base, the ventilation board is arranged above the installation base, the power body is carried on the ventilation board, a plurality of ventilation holes are formed in the ventilation board, and the first buffer spring is arranged between the ventilation board and the installation base.
The improvement is that the first heat dissipation mechanism comprises a heat dissipation plate, a mounting bracket, a first fan and an aluminum heat dissipation assembly, a rectangular hole is formed in the left side face of the box body, the heat dissipation plate is arranged on the rectangular hole, a plurality of heat dissipation holes are formed in the heat dissipation plate and are matched with the heat dissipation plate, the mounting bracket is fixedly mounted on the inner wall of the power supply cavity, the first fan is mounted in the mounting bracket, and the aluminum heat dissipation assembly is fixedly arranged at the rear end of the first fan.
The aluminum heat dissipation component is rectangular, a plurality of aluminum heat dissipation fins are evenly distributed on the aluminum heat dissipation component, the aluminum heat dissipation fins are obliquely arranged, the heat absorption efficiency of the aluminum heat dissipation fins is improved, and meanwhile, the first fan is convenient to dissipate heat on the aluminum heat dissipation fins.
The first control cavity is separated from the power supply cavity and the second control cavity by a first heat insulation plate, and a heat insulation material is coated on the first heat insulation plate.
The further improvement is that the second control cavity and the power supply cavity are separated by a second heat insulation plate, and the second heat insulation plate is coated with heat insulation materials.
The improved structure is characterized in that the buffer mechanism comprises a second buffer spring, four corners of the bottom of the box body are respectively provided with a buffer groove, the second buffer spring is arranged in the buffer groove, and the fixed foot cup is fixedly connected with the second buffer spring.
The improved solar energy storage box is characterized in that a solar panel is arranged on the top surface of the box body, and a handle is fixedly mounted on the top surface of the box body.
The further improvement is that the box body is respectively provided with a 220V/AC output port, a control switch and a 12V/DC output port.
The improved USB box is characterized in that an LED lamp and a corresponding LED lamp control switch are arranged on the box body, a Type-C output port, a USB output port and a USB/Type-C control switch are arranged on the box body, and a cigarette lighter is arranged on the box body.
Compared with the prior art, the invention has the beneficial effects that:
the outdoor power supply with high safety performance is provided with the two heat dissipation mechanisms independently, the heat in the power supply cavity can be discharged to the maximum extent through the coordination effect between the two heat dissipation mechanisms, the low-temperature environment in the power supply cavity is kept, the service life of a power supply battery is prolonged, the service life of the outdoor power supply is also prolonged remarkably, meanwhile, the buffer mechanism is arranged, the damage to the battery when the outdoor power supply falls can be effectively buffered by matching with the first buffer spring of the first heat dissipation mechanism, and the leveling can be performed on uneven ground through the fixed foot cup with the buffer mechanism, so that the safety performance and the practical performance of the outdoor power supply are improved remarkably, and the outdoor power supply is suitable for popularization.
Drawings
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a front anatomical view of an embodiment of the invention;
FIG. 3 is a schematic view of a cross-sectional structure B according to an embodiment of the present invention;
FIG. 4 is a schematic view of a cross-sectional structure C according to an embodiment of the present invention;
wherein: 1. a box body; 2. a handle; 3. a solar panel; 4. a 12V/DC output port; 5. a control switch; 6. 220V/AC output port; 7. a heat dissipation plate; 8. heat dissipation holes; 9. a first fan; 10. an aluminum heat dissipation assembly; 11. a power supply body; 12. a first heat insulation plate; 13. a first control chamber; 14. a ventilation board; 15. a first buffer spring; 16. installing a base; 17. a second fan; 18. a buffer tank; 19. a second buffer spring; 20. fixing the foot cup; 21. a power supply cavity; 22. a second heat insulation plate; 23. a second control chamber.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1, 2, 3 and 4, an outdoor power supply with high safety performance includes a box body 1, the box body 1 is a hollow rectangular structure, three cavities, namely a power cavity 21, a first control cavity 13 and a second control cavity 23, are formed in the box body 1, the first control cavity 13 is disposed on the right side of the interior of the box body 1, the second control cavity 23 and the power cavity 21 are disposed on the left side of the box body 1, the second control cavity 23 is disposed in front of the power cavity 21, the first control cavity 13 and the second control cavity 23 are used for controlling the outdoor power supply, a first heat dissipation mechanism and a second heat dissipation mechanism are disposed in the power cavity 21, the first heat dissipation mechanism is used for dissipating hot air in the power cavity 21, the second heat dissipation mechanism is used for dissipating heat dissipated by the power body 11 in the power cavity 21, four end angles at the bottom of the box body 1 are provided with fixed foot cups 20, and a buffer mechanism is arranged between the fixed foot cups 20 and the bottom of the box body 1.
As a preferred embodiment of the present invention, the second heat dissipation mechanism includes an installation base 16, a second fan 17, a first buffer spring 15, and a ventilation board 14, the installation base 16 is disposed at the bottom of the power supply cavity 21, the second fan 17 is disposed on the installation base 16, the ventilation board 14 is disposed above the installation base 16, the power supply body 11 is mounted on the ventilation board 14, a plurality of ventilation holes are disposed on the ventilation board 14, and the first buffer spring 15 is disposed between the ventilation board 14 and the installation base 16.
As a preferred embodiment of the present invention, the first heat dissipation mechanism includes a heat dissipation plate 7, a mounting bracket, a first fan 9 and an aluminum heat dissipation assembly 10, a rectangular hole is formed in the left side surface of the box body 1, the heat dissipation plate 7 is disposed on the rectangular hole, a plurality of heat dissipation holes 8 are formed in the heat dissipation plate 7, the rectangular hole is matched with the heat dissipation plate 7, the mounting bracket is fixedly mounted on the inner wall of the power supply cavity 21, the first fan 9 is mounted in the mounting bracket, and the aluminum heat dissipation assembly 10 is fixedly disposed at the rear end of the first fan 9.
As a preferred embodiment of the present invention, the aluminum heat dissipation assembly 10 is rectangular, and a plurality of aluminum heat dissipation fins are uniformly distributed on the aluminum heat dissipation assembly 10, and the aluminum heat dissipation fins are all arranged in an inclined manner, so that the heat absorption efficiency of the aluminum heat dissipation fins is improved, and the first fan 9 is convenient to dissipate heat on the aluminum heat dissipation fins.
In a preferred embodiment of the present invention, the first control chamber 13 is separated from the power supply chamber 21 and the second control chamber 23 by a first heat insulation plate 12, and the first heat insulation plate 12 is coated with a heat insulation material.
In a preferred embodiment of the present invention, the second control chamber 23 is separated from the power supply chamber 21 by a second heat insulation plate 22, and the second heat insulation plate 22 is coated with a heat insulation material.
As a preferred embodiment of the present invention, the buffering mechanism includes a second buffering spring 19, buffering grooves 18 are respectively formed at four corners of the bottom of the box body 1, the second buffering spring 19 is disposed inside the buffering grooves 18, and the fixed foot cup 20 is fixedly connected to the second buffering spring 19.
As a preferred embodiment of the present invention, a solar panel 3 is disposed on the top surface of the box body 1, and a handle 2 is fixedly mounted on the top surface of the box body 1.
As a preferred embodiment of the invention, the box body 1 is respectively provided with a 220V/AC output port 6, a control switch 5 and a 12V/DC output port 4.
As a preferred embodiment of the present invention, the box body 1 is provided with an LED lamp and a corresponding LED lamp control switch 5, the box body 1 is provided with a Type-C output port, a USB output port, and a USB/Type-C control switch 5, and the box body 1 is provided with a cigarette lighter.
The working principle of the outdoor power supply battery heat dissipation device is that the outdoor power supply box body is divided into a power supply cavity 21 and a first control cavity 23, so that heat is prevented from being dissipated everywhere, the heat dissipated by a battery in the charging/discharging process is blown out in time through a second heat dissipation mechanism, the heat is dissipated in the power supply cavity 21 and then absorbed by an aluminum heat dissipation assembly 10, and the heat is dissipated into the air under the strong action of the first heat dissipation mechanism, so that the temperature in the power supply cavity 21 is kept not to be too high, and the service life and the use safety of the outdoor power supply battery are further improved;
secondly, the invention is provided with a buffer mechanism, the arrangement of the second buffer spring 19 enables the fixed foot cup 20 to realize automatic leveling on uneven ground, the stability of the outdoor power supply is kept, and the safety of the outdoor power supply is improved, and secondly, for sudden drop or other situations of the outdoor power supply, the buffer mechanism and the first buffer spring 15 can play a buffer role on the battery, so that the damage and other accidents of the battery are prevented, and the use safety of the outdoor power supply is improved.
Compared with the prior art, the invention has the beneficial effects that:
the outdoor power supply with high safety performance is provided with the two heat dissipation mechanisms independently, the heat in the power supply cavity 21 can be discharged to the greatest extent through the coordination effect between the two heat dissipation mechanisms, the low-temperature environment in the power supply cavity 21 is kept, the service life of a power supply battery is prolonged, the service life of the outdoor power supply is also prolonged remarkably, meanwhile, the buffer mechanism is arranged, the first buffer spring 15 matched with the first heat dissipation mechanism can effectively buffer the damage to the battery when the outdoor power supply falls down, and the leveling can be performed on uneven ground through the fixed foot cup 20 with the buffer mechanism, so that the safety performance and the practical performance of the outdoor power supply are improved remarkably, and the outdoor power supply is suitable for popularization.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The outdoor power supply is characterized by comprising a box body (1), wherein the box body (1) is of a hollow rectangular structure, three cavities including a power cavity (21), a first control cavity (13) and a second control cavity (23) are formed in the box body (1), the first control cavity (13) is arranged on the right side of the interior of the box body (1), the second control cavity (23) and the power cavity (21) are arranged on the left side of the box body (1), the second control cavity (23) is arranged in front of the power cavity (21), the first control cavity (13) and the second control cavity (23) are used for controlling the outdoor power supply, a first heat dissipation mechanism and a second heat dissipation mechanism are arranged in the power cavity (21), the first heat dissipation mechanism is used for dissipating heat inside the power cavity (21), the second heat dissipation mechanism is used for dissipating heat dissipated by the power supply body (11) in the power supply cavity (21), the four end corners of the bottom of the box body (1) are provided with the fixed foot cups (20), and a buffer mechanism is arranged between the fixed foot cups (20) and the bottom of the box body (1).
2. An outdoor power supply with high safety performance according to claim 1, wherein the second heat dissipation mechanism comprises a mounting base (16), a second fan (17), a first buffer spring (15) and a ventilation board (14), the mounting base (16) is arranged at the bottom of the power supply cavity (21), the second fan (17) is arranged on the mounting base (16), the ventilation board (14) is arranged above the mounting base (16), the power supply body (11) is carried on the ventilation board (14), a plurality of ventilation holes are formed in the ventilation board (14), and the first buffer spring (15) is arranged between the ventilation board (14) and the mounting base (16).
3. The outdoor power supply with high safety performance according to claim 1, wherein the first heat dissipation mechanism comprises a heat dissipation plate (7), a mounting bracket, a first fan (9) and an aluminum heat dissipation assembly (10), a rectangular hole is formed in the left side surface of the box body (1), the heat dissipation plate (7) is arranged on the rectangular hole, a plurality of heat dissipation holes (8) are formed in the heat dissipation plate (7), the rectangular hole is matched with the heat dissipation plate (7), the mounting bracket is fixedly mounted on the inner wall of the power supply cavity (21), the first fan (9) is mounted in the mounting bracket, and the aluminum heat dissipation assembly (10) is fixedly arranged at the rear end of the first fan (9).
4. The outdoor power supply with high safety performance as claimed in claim 3, wherein the aluminum heat dissipation assembly (10) is rectangular, and a plurality of aluminum heat dissipation fins are uniformly distributed on the aluminum heat dissipation assembly (10), and the aluminum heat dissipation fins are all arranged in an inclined manner, so that the heat absorption efficiency of the aluminum heat dissipation fins is improved, and the heat on the aluminum heat dissipation fins can be dissipated conveniently by the first fan (9).
5. A high safety outdoor power supply according to claim 1, wherein said first control chamber (13) is separated from said power supply chamber (21) and said second control chamber (23) by a first heat insulating plate (12), and said first heat insulating plate (12) is coated with a heat insulating material.
6. A high safety outdoor power supply according to claim 1 wherein said second control chamber (23) is separated from said power supply chamber (21) by a second insulating plate (22), said second insulating plate (22) being coated with an insulating material.
7. An outdoor power supply with high safety performance according to claim 1, wherein the buffer mechanism comprises a second buffer spring (19), buffer grooves (18) are respectively formed at four corners of the bottom of the box body (1), the second buffer spring (19) is arranged in the buffer grooves (18), and the fixed foot cup (20) is fixedly connected with the second buffer spring (19).
8. An outdoor power supply with high safety performance as claimed in claim 1, wherein a solar panel (3) is arranged on the top surface of the box body (1), and a handle (2) is fixedly arranged on the top surface of the box body (1).
9. An outdoor power supply with high safety performance as claimed in claim 1, wherein the box body (1) is respectively provided with a 220V/AC output port (6), a control switch (5) and a 12V/DC output port (4).
10. An outdoor power supply with high safety performance according to claim 1, wherein the box body (1) is provided with an LED lamp and a corresponding LED lamp control switch (5), the box body (1) is provided with a Type-C output port, a USB output port and a USB/Type-C control switch (5), and the box body (1) is provided with a cigarette lighter.
CN202110552100.5A 2021-05-20 2021-05-20 Outdoor power supply that security performance is high Pending CN113098111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110552100.5A CN113098111A (en) 2021-05-20 2021-05-20 Outdoor power supply that security performance is high

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110552100.5A CN113098111A (en) 2021-05-20 2021-05-20 Outdoor power supply that security performance is high

Publications (1)

Publication Number Publication Date
CN113098111A true CN113098111A (en) 2021-07-09

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CN202110552100.5A Pending CN113098111A (en) 2021-05-20 2021-05-20 Outdoor power supply that security performance is high

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CN (1) CN113098111A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204668973U (en) * 2015-01-12 2015-09-23 上海珐阁能源科技有限公司 Mobile accumulation power supply
CN108032747A (en) * 2017-11-29 2018-05-15 江苏迅电畅达电源科技有限公司 A kind of portable charging pile for possessing self-leveling function
CN210865983U (en) * 2019-10-15 2020-06-26 浙江浦东矿用设备有限公司 External plug-in type intelligent switch heat dissipation structure
CN211428991U (en) * 2020-04-07 2020-09-04 天津市欧志蓄电池有限公司 Quick heat dissipation formula UPS power with bottom sprag
CN211731255U (en) * 2020-03-02 2020-10-23 怀化市联翰信息科技有限公司 GPS vehicle-mounted positioning equipment
EP3799197A1 (en) * 2019-09-30 2021-03-31 Shanghai Autoflight Co., Ltd. Unmanned aerial vehicle battery transport box
CN213072205U (en) * 2020-09-05 2021-04-27 深圳市畅天创新科技有限公司 Portable emergency power supply

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204668973U (en) * 2015-01-12 2015-09-23 上海珐阁能源科技有限公司 Mobile accumulation power supply
CN108032747A (en) * 2017-11-29 2018-05-15 江苏迅电畅达电源科技有限公司 A kind of portable charging pile for possessing self-leveling function
EP3799197A1 (en) * 2019-09-30 2021-03-31 Shanghai Autoflight Co., Ltd. Unmanned aerial vehicle battery transport box
CN210865983U (en) * 2019-10-15 2020-06-26 浙江浦东矿用设备有限公司 External plug-in type intelligent switch heat dissipation structure
CN211731255U (en) * 2020-03-02 2020-10-23 怀化市联翰信息科技有限公司 GPS vehicle-mounted positioning equipment
CN211428991U (en) * 2020-04-07 2020-09-04 天津市欧志蓄电池有限公司 Quick heat dissipation formula UPS power with bottom sprag
CN213072205U (en) * 2020-09-05 2021-04-27 深圳市畅天创新科技有限公司 Portable emergency power supply

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