CN110838786B - Outdoor portable electric power transformer device - Google Patents
Outdoor portable electric power transformer device Download PDFInfo
- Publication number
- CN110838786B CN110838786B CN201911045328.4A CN201911045328A CN110838786B CN 110838786 B CN110838786 B CN 110838786B CN 201911045328 A CN201911045328 A CN 201911045328A CN 110838786 B CN110838786 B CN 110838786B
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- Prior art keywords
- device body
- wrapping post
- conductive
- block
- away
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/72—Framework; Casings; Coverings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Textile Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the field of power transformation, in particular to an outdoor portable power transformation device, which aims at solving the problems that the existing vehicle-mounted power supply voltage is too low, the electricity can not be directly supplied generally and the outdoor use requirement can not be met, and provides the following scheme, which comprises a device body, wherein the device body is of a hollow structure, a first wrapping post and a second wrapping post are arranged in the device body, the first wrapping post is arranged on one side of the second wrapping post, the first wrapping post and the second wrapping post are connected through a conductive block, and the first wrapping post and the second wrapping post are made of conductive materials, the primary coil is wound on the first wrapping post, and the secondary coil is wound on the second wrapping post, the invention has reasonable structure, can quickly store the lead and is convenient for integral carrying, meanwhile, the output voltage can be changed, and the use requirements of electric appliances with different powers can be met, so that the outdoor use requirements can be met.
Description
Technical Field
The invention relates to the technical field of power transformation, in particular to an outdoor portable power transformation device.
Background
Along with the improvement of economic level, people often can be sent a rest through the mode of driving oneself when having a rest, and people often can carry out picnic while driving oneself, and some consumer often can be used to picnic, but the on-vehicle supply voltage who exists is too low, generally can not directly supply with the power consumption, can't satisfy outdoor user demand by many.
Disclosure of Invention
The invention aims to solve the problems that the existing vehicle-mounted power supply voltage is too low, the electricity cannot be directly supplied generally, and the outdoor use requirement cannot be met.
In order to achieve the purpose, the invention adopts the following technical scheme:
an outdoor portable electric power transformation device comprises a device body, wherein the device body is of a hollow structure, a first winding post and a second winding post are arranged in the device body, the first winding post is arranged on one side of the second winding post and is connected with the second winding post through a conductive block, the first winding post and the second winding post are made of conductive materials, a primary coil is wound on the first winding post, a secondary coil is wound on the second winding post, a fixing piece is arranged on one side of the inner wall of the device body and is made of insulating materials of the fixing piece, a fixing seat is connected to one side of the fixing piece, which is far away from the device body, a chute is arranged on one side of the fixing seat, which is far away from the fixing piece, a conductive rod is arranged on one side of the fixing seat, which is far away from the fixing piece, the bottom end of the conductive rod is in contact with the secondary coil, a moving mechanism is arranged on one side, the top of insulating block is connected with the iron plate, and the top of iron plate is connected with the pull rod, and the pull rod extends to outside this body of device.
Preferably, one side that the mounting was kept away from to the iron plate is equipped with magnet, and the one end that the iron plate was kept away from to magnet is equipped with movable post, first through-hole has been seted up on the top of device body, and the movable post extends to this is external through first through-hole, the activity of activity post sets up in first through-hole, one side of activity post is equipped with first locating piece, and the opposite side of activity post is equipped with the second locating piece, outside the device body was all located to first locating piece and second locating piece, the length of first locating piece is greater than the length of second locating piece.
Preferably, a rotating shaft is arranged above the fixing part and is movably arranged in the device body, one end of the rotating shaft is connected with a first movable shaft, the first movable shaft extends out of the device body, one end of the first movable shaft extending out of the device body is connected with a crank, the other end of the rotating shaft is connected with a second movable shaft, one end of the second movable shaft far away from the rotating shaft is movably arranged on the inner wall of the device body, a bearing is sleeved on the second movable shaft, an insulating ring is sleeved on the bearing, a conductive ring is sleeved on the insulating ring, one side of the conductive ring is provided with a conductive column, the conductive column is contacted with the conductive ring, the conductive column is arranged on the inner wall of the device body, one side of the conductive column is connected with a power transmission line, one end of the power transmission line far away from the conductive column is arranged on the conductive rod, the power, the other end of the wire extends outside the device body.
Preferably, a second through hole is formed in one side of the device body, the wire extends out of the device body through the second through hole, the wire is movably arranged in the second through hole, and a wiring board is connected to one end, extending out of the device body, of the wire.
Preferably, a power switch is arranged on the inner wall of the device body, a main control module of the power switch is a DC-DC module, the power switch is electrically connected with the first winding coil, the power switch is connected with a vehicle-mounted plug through a conducting wire, the vehicle-mounted plug is arranged outside the device body, and the turn ratio of the primary coil to the secondary coil is 1: 2.
Preferably, the top end of the device body is provided with a first channel, the pull rod extends out of the device body through the first channel, and the pull rod is movably arranged in the first channel.
Preferably, the moving mechanism comprises two fixed supports, the fixed supports are made of insulating materials, the fixed supports are arranged on the conducting rods, a rotating shaft is arranged between the fixed supports, rollers are movably sleeved on the rotating shaft, and the rollers are movably arranged in the sliding grooves.
According to the outdoor portable power transformation device, direct current is changed into alternating current by the aid of the power switch, voltage is changed by the aid of the primary coil and the secondary coil, meanwhile, the conducting rod is movably arranged on the secondary coil, the number of turns of the secondary coil connected into a circuit can be changed, and accordingly output voltage is changed, different outdoor power utilization requirements can be met, and meanwhile, the rotating shaft is additionally arranged, wires can be rapidly stored, and the outdoor portable power transformation device is convenient to carry;
the portable outdoor power supply has a reasonable structure, can quickly accommodate a lead, is convenient to integrally carry, and can change output voltage to meet the use requirements of electric appliances with different powers, thereby meeting the outdoor use requirements.
Drawings
Fig. 1 is a schematic structural diagram of an outdoor portable power transformation device according to the present invention;
fig. 2 is a schematic diagram of an internal structure of an outdoor portable power transformation device according to the present invention;
fig. 3 is a schematic structural view of a rotating shaft of an outdoor portable power transformation device according to the present invention;
fig. 4 is a schematic structural view of a portion of a rotating shaft a of the outdoor portable power transformation device according to the present invention.
In the figure: the device comprises a device body 1, a first winding post 2, a second winding post 3, a primary coil 4, a secondary coil 5, a fixing piece 6, a fixed seat 7, a sliding chute 8, a conductive rod 9, a moving mechanism 10, an insulating block 11, an iron block 12, a pull rod 13, a magnet 14, a movable post 15, a first positioning block 16, a second positioning block 17, a rotating shaft 18, a first movable shaft 19, a second movable shaft 20, a bearing 21, an insulating ring 22, a conductive ring 23, a conductive post 24, a power transmission line 25, a wire 26, a wiring board 27, a crank 28, a power switch 29 and a vehicle-mounted plug 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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, and not all of the embodiments.
Referring to fig. 1-4, an outdoor portable power transformation device comprises a device body 1, the device body 1 is of a hollow structure, a first winding post 2 and a second winding post 3 are arranged in the device body 1, the first winding post 2 is arranged on one side of the second winding post 3, the first winding post 2 and the second winding post 3 are connected through a conductive block, the first winding post 2 and the second winding post 3 are both made of conductive materials, a primary coil 4 is wound on the first winding post 2, a secondary coil 5 is wound on the second winding post 3, a fixing member 6 is arranged on one side of the inner wall of the device body 1, the fixing member 6 is made of insulating materials, a fixing seat 7 is connected to one side of the fixing seat 6 far away from the device body 1, a chute 8 is arranged on one side of the fixing seat 7 far away from the fixing member 6, a conductive rod 9 is arranged on one side of the fixing seat 7 far away from the fixing member 6, and the bottom end of the secondary coil, one side that conducting rod 9 is close to fixing base 7 is equipped with moving mechanism 10, and conducting rod 9 keeps away from secondary coil 5's one end and is connected with insulating block 11, and the top of insulating block 11 is connected with iron plate 12, and the top of iron plate 12 is connected with pull rod 13, and pull rod 13 extends to outside the device body 1.
According to the invention, a magnet 14 is arranged on one side of an iron block 12, which is far away from a fixing part 6, a movable column 15 is arranged at one end of the magnet 14, which is far away from the iron block 12, a first through hole is formed in the top end of a device body 1, the movable column 15 extends out of the device body 1 through the first through hole, the movable column 15 is movably arranged in the first through hole, a first positioning block 16 is arranged on one side of the movable column 15, a second positioning block 17 is arranged on the other side of the movable column 15, the first positioning block 16 and the second positioning block 17 are both arranged outside the device body 1, and the length of the first positioning block 16 is greater than that of the second positioning block.
In the invention, a rotating shaft 18 is arranged above a fixed part 6, the rotating shaft 18 is movably arranged in an apparatus body 1, one end of the rotating shaft 18 is connected with a first movable shaft 19, the first movable shaft 19 extends out of the apparatus body 1, one end of the first movable shaft 19 extending out of the apparatus body 1 is connected with a crank 28, the other end of the rotating shaft 18 is connected with a second movable shaft 20, one end of the second movable shaft 20 far away from the rotating shaft 18 is movably arranged on the inner wall of the apparatus body 1, a bearing 21 is sleeved on the second movable shaft 20, an insulating ring 22 is sleeved on the bearing 21, a conductive ring 23 is sleeved on the insulating ring 22, one side of the conductive ring 23 is provided with a conductive column 24, the conductive column 24 is contacted with the conductive ring 23, the conductive column 24 is arranged on the inner wall of the apparatus body 1, one side of the conductive column 24 is connected with a power transmission line 25, and, the power line 25 is an elastic power line, a conducting wire 26 is wound on the rotating shaft 18, one end of the conducting wire 26 is arranged on the conductive ring 23, and the other end of the conducting wire 26 extends out of the device body 1.
In the invention, one side of a device body 1 is provided with a second through hole, a lead 26 extends out of the device body 1 through the second through hole, the lead 26 is movably arranged in the second through hole, one end of the lead 26 extending out of the device body 1 is connected with a wiring board 27, the inner wall of the device body 1 is provided with a power switch 29, the main control module of the power switch 29 is a DC-DC module, the power switch 29 is electrically connected with a primary coil 4, the power switch 29 is connected with a vehicle-mounted plug 30 through a conductive wire, the vehicle-mounted plug 30 is arranged outside the device body 1, the turn ratio of the primary coil 4 to a secondary coil 5 is 1:2, the top end of the device body 1 is provided with a first channel, a pull rod 13 extends out of the device body 1 through the first channel, the pull rod 13 is movably arranged in the first channel, a moving mechanism 10 comprises two fixed supports, and the fixed supports are made of insulating materials, the fixed support is arranged on the conducting rod 9, a rotating shaft is arranged between the fixed supports, a roller is movably sleeved on the rotating shaft, and the roller is movably arranged in the sliding groove 8.
In the invention, when outdoor picnic is needed, a vehicle-mounted plug 30 is inserted into an output terminal port of a vehicle, a power switch 29 converts direct current into alternating current and transmits the alternating current to a primary coil 4, the primary coil 4 transmits the current to a secondary coil 5 through a first winding post 2, a second winding post 3 and a conductive block, a crank 28 is manually rotated, the crank 28 drives a rotating shaft 18 to rotate through a first movable shaft 19, the rotating shaft 18 releases a lead 26, a wiring board 27 is pulled, the wiring board 27 drives the lead 26 to move, after a proper position is reached, the crank 28 is stopped rotating, when the rotating shaft 18 is driven by the first movable shaft 19, the rotating shaft 18 drives a second movable shaft 20 to rotate, the second rotating shaft 20 drives a conductive ring 23 to rotate synchronously through a bearing 21 and an insulating ring 22, the current enters the lead 26 through the secondary coil 5, the conductive rod 9, the power transmission line 25 and the conductive ring 24, therefore, the wiring board 27 can be used for directly inserting electric equipment, the electric equipment comprises an electric cooker, an electromagnetic oven and the like, when the output voltage needs to be changed, the movable column 15 is moved manually, the movable column 15 moves in the first through hole, the movable column 15 drives the magnet 14 to be separated from the iron block 12, meanwhile, the pull rod 13 is moved manually, the pull rod 13 moves in the first channel, the elasticity of the power transmission line 25 is changed, the pull rod 13 drives the conductive rod 9 to move through the iron block 12 and the insulating block 11, the conductive rod 9 moves on the secondary coil 5, the number of turns of the secondary coil of the access circuit is changed, and the output voltage is changed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. An outdoor portable electric power transformation device comprises a device body (1) and is characterized in that the device body (1) is of a hollow structure, a first wrapping post (2) and a second wrapping post (3) are arranged in the device body (1), the first wrapping post (2) is arranged on one side of the second wrapping post (3), the first wrapping post (2) and the second wrapping post (3) are connected through a conductive block, the first wrapping post (2) and the second wrapping post (3) are made of conductive materials, a primary coil (4) is wound on the first wrapping post (2), a secondary coil (5) is wound on the second wrapping post (3), a fixing piece (6) is arranged on one side of the inner wall of the device body (1), the fixing piece (6) is made of insulating materials, a fixing seat (7) is connected to one side, far away from the device body (1), of the fixing piece (6), a sliding groove (8) is formed in one side, away from the fixing piece (6), of the fixing seat (7), a conducting rod (9) is arranged on one side, away from the fixing piece (6), of the fixing seat (7), the bottom end of the conducting rod (9) is in contact with the secondary coil (5), a moving mechanism (10) is arranged on one side, close to the fixing seat (7), of the conducting rod (9), an insulating block (11) is connected to one end, away from the secondary coil (5), of the conducting rod (9), an iron block (12) is connected to the top end of the insulating block (11), a pull rod (13) is connected to the top end of the iron block (12), and the pull rod (13) extends out of the device body (1);
a magnet (14) is arranged on one side, away from the fixing part (6), of the iron block (12), a movable column (15) is arranged at one end, away from the iron block (12), of the magnet (14), a first through hole is formed in the top end of the device body (1), the movable column (15) extends out of the device body (1) through the first through hole, the movable column (15) is movably arranged in the first through hole, a first positioning block (16) is arranged on one side of the movable column (15), a second positioning block (17) is arranged on the other side of the movable column (15), the first positioning block (16) and the second positioning block (17) are arranged outside the device body (1), and the length of the first positioning block (16) is greater than that of the second positioning block (17);
fixing piece (6) top is equipped with axis of rotation (18), and axis of rotation (18) activity is located in device body (1), the one end of axis of rotation (18) is connected with first loose axle (19), and outside first loose axle (19) extended to device body (1), the one end that first loose axle (19) extended to device body (1) is connected with crank (28), the other end of axis of rotation (18) is connected with second loose axle (20), and the one end activity that axis of rotation (18) was kept away from in second loose axle (20) is located on the inner wall of device body (1), the cover is equipped with bearing (21) on second loose axle (20), the cover is equipped with insulating ring (22) on bearing (21), the cover is equipped with conductive ring (23) on insulating ring (22), one side of conductive ring (23) is equipped with leads electrical pillar (24), and leads electrical pillar (24) and conductive ring (23) contact, the conductive column (24) is arranged on the inner wall of the device body (1), one side of the conductive column (24) is connected with a power transmission line (25), one end, far away from the conductive column (24), of the power transmission line (25) is arranged on the conductive rod (9), the power transmission line (25) is an elastic power transmission line, a conducting wire (26) is wound on the rotating shaft (18), one end of the conducting wire (26) is arranged on the conductive ring (23), and the other end of the conducting wire (26) extends out of the device body (1);
a second through hole is formed in one side of the device body (1), a lead (26) extends out of the device body (1) through the second through hole, the lead (26) is movably arranged in the second through hole, and a wiring board (27) is connected to one end, extending out of the device body (1), of the lead (26);
a power switch (29) is arranged on the inner wall of the device body (1), a main control module of the power switch (29) is a DC-DC module, the power switch (29) is electrically connected with the first winding coil (4), the power switch (29) is connected with a vehicle-mounted plug (30) through a conducting wire, the vehicle-mounted plug (30) is arranged outside the device body (1), and the turn ratio of the primary coil (4) to the secondary coil (5) is 1: 2;
the top end of the device body (1) is provided with a first channel, the pull rod (13) extends out of the device body (1) through the first channel, and the pull rod (13) is movably arranged in the first channel;
moving mechanism (10) are including the fixed bolster, and the quantity of fixed bolster is two, the fixed bolster is made for insulating material and forms, the fixed bolster is located on conducting rod (9), be equipped with the pivot between the fixed bolster, movable sleeve is equipped with the gyro wheel in the pivot, and the gyro wheel activity is located in spout (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045328.4A CN110838786B (en) | 2019-10-30 | 2019-10-30 | Outdoor portable electric power transformer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045328.4A CN110838786B (en) | 2019-10-30 | 2019-10-30 | Outdoor portable electric power transformer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110838786A CN110838786A (en) | 2020-02-25 |
| CN110838786B true CN110838786B (en) | 2021-06-29 |
Family
ID=69575953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911045328.4A Active CN110838786B (en) | 2019-10-30 | 2019-10-30 | Outdoor portable electric power transformer device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110838786B (en) |
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| CN103682360A (en) * | 2012-09-21 | 2014-03-26 | 株式会社半导体能源研究所 | Electrode material for power storage device, electrode for power storage device, and power storage device |
| CN203780591U (en) * | 2014-04-15 | 2014-08-20 | 国家电网公司 | Electrical secondary repair professional field test vehicle |
| CN109417258A (en) * | 2016-07-13 | 2019-03-01 | 谷歌有限责任公司 | Waterproof electrical equipment |
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| US10928021B2 (en) * | 2008-12-30 | 2021-02-23 | Tseng-Lu Chien | LED and/or laser outdoor projection light device having more than one inner and/or outer rotating optic-piece to create moving, changeable lighted image and/or pattern |
| US8882033B2 (en) * | 2011-02-10 | 2014-11-11 | Zodiac Aerotechnics | Passenger cabin emergency oxygen device |
| US9671566B2 (en) * | 2012-06-11 | 2017-06-06 | Magic Leap, Inc. | Planar waveguide apparatus with diffraction element(s) and system employing same |
| US20180205222A1 (en) * | 2017-01-19 | 2018-07-19 | Corrpro Companies, Inc. | Controlling Current in a Supercapacitor Cathodic Protection System |
| CN208479186U (en) * | 2018-05-02 | 2019-02-05 | 林芳龙 | A kind of electric network composition of voltage stabilization |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218622Y (en) * | 1994-11-14 | 1996-01-31 | 王运宏 | Cart type ac welder |
| CN103682360A (en) * | 2012-09-21 | 2014-03-26 | 株式会社半导体能源研究所 | Electrode material for power storage device, electrode for power storage device, and power storage device |
| CN203780591U (en) * | 2014-04-15 | 2014-08-20 | 国家电网公司 | Electrical secondary repair professional field test vehicle |
| CN109417258A (en) * | 2016-07-13 | 2019-03-01 | 谷歌有限责任公司 | Waterproof electrical equipment |
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| Title |
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| 郭曼.家用多功能户外电池箱便捷性设计研究.《中国优秀硕士论文》.2018, * |
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| CN110838786A (en) | 2020-02-25 |
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