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CN112769203B - Intelligent current-limiting thermosensitive plug structure - Google Patents

Intelligent current-limiting thermosensitive plug structure Download PDF

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Publication number
CN112769203B
CN112769203B CN202110370191.0A CN202110370191A CN112769203B CN 112769203 B CN112769203 B CN 112769203B CN 202110370191 A CN202110370191 A CN 202110370191A CN 112769203 B CN112769203 B CN 112769203B
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CN
China
Prior art keywords
fixedly connected
rubber belt
charging
fixed block
support rod
Prior art date
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Active
Application number
CN202110370191.0A
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Chinese (zh)
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CN112769203A (en
Inventor
陈正科
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 University of Technology
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Jiangxi University of Technology
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Priority to CN202110370191.0A priority Critical patent/CN112769203B/en
Publication of CN112769203A publication Critical patent/CN112769203A/en
Application granted granted Critical
Publication of CN112769203B publication Critical patent/CN112769203B/en
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    • 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7137—Structural association with built-in electrical component with built-in switch the switch being a safety switch with thermal interrupter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/72—Means for accommodating flexible lead within the holder
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00304—Overcurrent protection
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses an intelligent current-limiting thermosensitive plug structure, which belongs to the field of intelligent charging and comprises a charger shell, wherein a central controller and a humidity sensor are arranged in the charger shell; compared with the prior art, the invention has the advantages that: the first rubber belt and the second rubber belt at two ends of the charger can be wound simultaneously; when short circuit occurs in the second rubber belt, the power can be automatically cut off.

Description

Intelligent current-limiting thermosensitive plug structure
Technical Field
The invention belongs to the technical field of intelligent charging, and particularly relates to an intelligent current-limiting thermosensitive plug structure.
Background
The charger is a power supply conversion device of small-sized portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, has the working principle of converting alternating current input into direct current output, can be divided into a wall-inserting type and a desktop type according to a connection mode, and is widely matched with equipment such as a security camera, a set top box, a router, a light bar, a massager, a computer and the like;
and traditional power charger both ends charging wire is accomodate comparatively loaded down with trivial details, and current spiral device can't be applied to the environment that both ends were coiled, and like computer power charger, this type of power charger receives the line loaded down with trivial details, and current power adaptation lacks charging wire short-circuit protection simultaneously, has the potential safety hazard.
Disclosure of Invention
The invention aims to provide an intelligent current-limiting thermosensitive plug structure to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent current-limiting thermosensitive plug structure comprises a charger shell, wherein a central controller and a humidity sensor are arranged in the charger shell, a take-up reel is fixedly connected in the charger shell, a rotating shaft is connected in the take-up reel in a rotating mode, a first rubber belt and a second rubber belt are fixedly connected to the rotating shaft, one end, far away from the rotating shaft, of the first rubber belt is fixedly connected to a charging plug through the charger shell, and one end, far away from the rotating shaft, of the second rubber belt is fixedly connected to the charging plug through the charger shell;
a power supply control device is arranged in the charging plug, a thermistor is arranged in the first rubber belt, a voltage limiting module is arranged in the charging plug, and the central controller is respectively connected with the power supply control device, the thermistor, the humidity sensor and the voltage limiting module;
the first rubber belt is fixedly connected with a third charging wire and a fourth charging wire, an air cavity is arranged in the second rubber belt, two elastic steel wires are embedded in the inner wall of the air cavity, the first charging wire and the second charging wire are embedded in the second rubber belt, the air cavity is located between the first charging wire and the second charging wire, and the elastic steel wires are curled naturally.
Preferably, the second rubber belt is fixedly connected to a first fixed block, the end of the second rubber belt far away from the rotating shaft is fixedly connected to a telescopic air bag, the first fixed block is fixedly connected to a second fixed block through the telescopic air bag, air storage grooves are formed between the first fixed block and the second fixed block, air cavities are communicated with the air storage grooves, the charging connector is fixedly connected to the second fixed block, through holes matched with the first charging lead and the second charging lead are formed in the first fixed block, the first charging lead and the second charging lead are communicated with the charging connector through the first fixed block, the air storage grooves and the second fixed block, a first pull ring is fixedly connected to the outer wall of the first fixed block, and a second pull ring is fixedly connected to the outer wall of the second fixed block.
Preferably, the take-up reel is fixedly connected with an upper supporting rod, a cavity is arranged in the upper supporting rod, a lower supporting rod is connected in the cavity in a sliding mode, a spring is arranged in the cavity, two ends of the spring are fixedly connected to the upper supporting rod and the lower supporting rod respectively, and one end, far away from the upper supporting rod, of the lower supporting rod is fixedly connected with a rubber pressing plate.
The invention has the technical effects and advantages that:
1. the two ends of the charger can be controlled to take up wires by unfolding the telescopic air bag, so that the use of a user is facilitated;
2. when the second rubber belt is internally short-circuited and overheated, the wire is automatically wound, so that the power is cut off, and potential safety hazards are reduced.
Drawings
FIG. 1 is a schematic diagram of a wire-receiving state of a charger according to the present invention;
FIG. 2 is a schematic diagram of the working state of the charger according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of a portion C of FIG. 2 in accordance with the present invention;
FIG. 6 is a cross-sectional view of a second rubber belt of the present invention;
FIG. 7 is a cross-sectional view of a first rubber belt of the present invention;
fig. 8 is a schematic diagram of a charger module according to the present invention.
In the figure: 101. a charger housing; 102. a first rubber belt; 103. a second rubber belt; 104. a take-up reel; 105. a charging plug; 106. a charging connector; 107. a rotating shaft; 108. an air cavity; 109. an elastic steel wire; 201. a first charging wire; 202. a second charging wire; 203. a third charging wire; 204. a fourth charging wire; 205. a first fixed block; 206. a first pull ring; 207. a telescopic air bag; 208. an air storage tank; 209. a second fixed block; 301. a second tab; 302. a spring; 303. a lower support rod; 304. an upper support rod; 305. and (5) pressing a rubber plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an intelligent current-limiting thermosensitive plug structure as shown in fig. 1-8, which comprises a charger shell 101;
specifically, a central controller and a humidity sensor are arranged in the charger shell 101, a take-up reel 104 is fixedly connected in the charger shell 101, a rotating shaft 107 is rotatably connected in the take-up reel 104, a first rubber belt 102 and a second rubber belt 103 are fixedly connected to the rotating shaft 107, one end of the first rubber belt 102, which is far away from the rotating shaft 107, is fixedly connected to the charging plug 105 through the charger shell 101, and one end of the second rubber belt 103, which is far away from the rotating shaft 107, is fixedly connected to the charging connector 106 through the charger shell 101;
a power supply control device is arranged in the charging plug 105, a thermistor is arranged in the first rubber belt 102, a voltage limiting module is arranged in the charging connector 106, the central controller is respectively connected with the power supply control device, the thermistor, the humidity sensor and the voltage limiting module, when the humidity sensor detects that the humidity in the charger shell 101 exceeds the standard, a signal is transmitted to the central controller, and the central controller controls the power supply control device to disconnect the power supply; when the first rubber belt 102 is overheated, the internal thermistor transmits a signal to the central controller, and the central controller controls the power supply control device to cut off the power supply; when the voltage of the charging connector 106 is excessive, the internal voltage limiting module transmits a signal to the central controller, and the central controller controls the power supply control device to disconnect the power supply.
Specifically, a third charging wire 203 and a fourth charging wire 204 are fixedly connected in the first rubber belt 102, an air cavity 108 is arranged in the second rubber belt 103, two elastic steel wires 109 are embedded in the inner wall of the air cavity 108, a first charging wire 201 and a second charging wire 202 are embedded in the second rubber belt 103, the air cavity 108 is located between the first charging wire 201 and the second charging wire 202, and the elastic steel wires 109 are curled naturally.
Specifically, one end of the second rubber belt 103 far away from the rotating shaft 107 is fixedly connected to the first fixing block 205, one end of the first fixing block 205 far away from the second rubber belt 103 is fixedly connected with a telescopic air bag 207, the first fixing block 205 is fixedly connected with a second fixing block 209 through a telescopic air bag 207, an air storage tank 208 is arranged between the first fixed block 205 and the second fixed block 209, the air cavity 108 is communicated with the air storage tank 208, the charging connector 106 is fixedly connected to the second fixing block 209, the first fixing block 205 is provided with through holes matched with the first charging wire 201 and the second charging wire 202, the first charging lead 201 and the second charging lead 202 are communicated with the charging connector 106 through a first fixed block 205, an air storage groove 208 and a second fixed block 209, the outer wall of the first fixing block 205 is fixedly connected with a first pull ring 206, and the outer wall of the second fixing block 209 is fixedly connected with a second pull ring 301.
Specifically, an upper support rod 304 is fixedly connected to the take-up reel 104, a cavity is formed in the upper support rod 304, a lower support rod 303 is slidably connected to the cavity, a spring 302 is arranged in the cavity, two ends of the spring 302 are fixedly connected to the upper support rod 304 and the lower support rod 303 respectively, and a rubber pressing plate 305 is fixedly connected to one end, far away from the upper support rod 304, of the lower support rod 303.
The working principle is as follows:
when the user uses the device, the user presses the two ends of the first pull ring 206 and the second pull ring 301 to compress the telescopic air bag 207, the gas in the air storage tank 208 enters the air cavity 108 to make the tension of the air cavity 108 offset the bending elastic potential energy of the elastic steel wire 109, the charging plug 105 is pulled out, the two ends of the charging plug 106 are used, after the charging is finished, the end of the charging plug 106 is pulled out, the two ends of the first pull ring 206 and the second pull ring 301 are pulled to expand the telescopic air bag 207, the gas in the air cavity 108 flows back to the air storage tank 208 under the action of air pressure, the second rubber belt 103 is automatically wound on the rotating shaft 107 under the action of the internal elastic steel wire 109, the first rubber belt 102 and the second rubber belt 103 are wound inside the take-up reel 104 due to the fixed connection of the first rubber belt 102 on the rotating shaft 107, the charging plug 105 at the tail end of the first rubber belt 102 automatically breaks away from the, The charging connector 106 is in contact with the charger shell 101, and the wire take-up is completed;
rubber clamp 305 is fixed on lower branch 303, lower branch 303 sliding connection is in last branch 304, lower branch 303, be equipped with spring 302 between the last branch 304, charger shell 101 is when receiving the line state, when first rubber tape 102, second rubber tape 103 twines 3 circles around pivot 107, first rubber tape 102, second rubber tape 103 outer wall and rubber clamp 305 contact each other, prevent the inside line that runs of take-up reel 104, prevent the inside card line of take-up reel 104, extension fixture life, along with receiving the winding number of turns on pivot 107 and gradually increasing, the increase of winding radius, spring 302 compresses, make rubber clamp 305 laminate first rubber tape 102, second rubber tape 103 outer wall all the time.
In the charging process, keep gas filled state throughout in the air cavity 108, when inside first charging wire 201 of second rubber tape 103, second charging wire 202 short circuit each other, high temperature makes air cavity 108 break, makes the interior gas of air cavity 108 spill over, is acted on by elastic steel wire 109 this moment, and second rubber tape 103 revolves the rolling of pivot 107, and first rubber tape 102 also rolls up to pivot 107 simultaneously on, and charging plug 105 breaks away from the socket, makes the device outage, prevents the emergence of conflagration.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (2)

1. An intelligent current-limiting thermosensitive plug structure comprises a charger shell (101), and is characterized in that a central controller and a humidity sensor are arranged in the charger shell (101), a take-up reel (104) is fixedly connected in the charger shell (101), a rotating shaft (107) is rotatably connected in the take-up reel (104), a first rubber belt (102) and a second rubber belt (103) are fixedly connected on the rotating shaft (107), one end of the first rubber belt (102) far away from the rotating shaft (107) is fixedly connected on a charging plug (105) through the charger shell (101), and one end of the second rubber belt (103) far away from the rotating shaft (107) is fixedly connected on the charging plug (106) through the charger shell (101);
a power supply control device is arranged in the charging plug (105), a thermistor is arranged in the first rubber belt (102), a voltage limiting module is arranged in the charging connector (106), and the central controller is respectively connected with the power supply control device, the thermistor, the humidity sensor and the voltage limiting module;
a third charging lead (203) and a fourth charging lead (204) are fixedly connected in the first rubber belt (102), an air cavity (108) is arranged in the second rubber belt (103), two elastic steel wires (109) are embedded in the inner wall of the air cavity (108), a first charging lead (201) and a second charging lead (202) are embedded in the second rubber belt (103), the air cavity (108) is positioned between the first charging lead (201) and the second charging lead (202), and the elastic steel wires (109) are curled naturally;
one end of the second rubber belt (103) far away from the rotating shaft (107) is fixedly connected to a first fixed block (205), one end of the first fixed block (205) far away from the second rubber belt (103) is fixedly connected with a telescopic air bag (207), the first fixed block (205) is fixedly connected with a second fixed block (209) through the telescopic air bag (207), an air storage groove (208) is arranged between the first fixed block (205) and the second fixed block (209), the air cavity (108) is communicated with the air storage groove (208), the charging connector (106) is fixedly connected to the second fixed block (209), through holes matched with a first charging lead (201) and a second charging lead (202) are formed in the first fixed block (205), the second charging lead (202) is communicated with the charging connector (106) through the first fixed block (205), the air storage groove (208) and the second fixed block (209), the outer wall of the first fixing block (205) is fixedly connected with a first pull ring (206), and the outer wall of the second fixing block (209) is fixedly connected with a second pull ring (301).
2. An intelligent current-limiting thermal plug structure according to claim 1, wherein an upper support rod (304) is fixedly connected to the take-up reel (104), a cavity is formed in the upper support rod (304), a lower support rod (303) is slidably connected to the cavity, a spring (302) is arranged in the cavity, two ends of the spring (302) are respectively fixedly connected to the upper support rod (304) and the lower support rod (303), and a rubber pressing plate (305) is fixedly connected to one end of the lower support rod (303) far away from the upper support rod (304).
CN202110370191.0A 2021-04-07 2021-04-07 Intelligent current-limiting thermosensitive plug structure Active CN112769203B (en)

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CN202110370191.0A CN112769203B (en) 2021-04-07 2021-04-07 Intelligent current-limiting thermosensitive plug structure

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Application Number Priority Date Filing Date Title
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CN112769203B true CN112769203B (en) 2021-07-06

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