CN113381248A - Charging head capable of automatic power-off protection - Google Patents

Charging head capable of automatic power-off protection Download PDF

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Publication number
CN113381248A
CN113381248A CN202110778914.0A CN202110778914A CN113381248A CN 113381248 A CN113381248 A CN 113381248A CN 202110778914 A CN202110778914 A CN 202110778914A CN 113381248 A CN113381248 A CN 113381248A
Authority
CN
China
Prior art keywords
charging head
charging
automatic power
protection according
head body
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.)
Withdrawn
Application number
CN202110778914.0A
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Chinese (zh)
Inventor
吴世红
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 Luoxin Technology Co ltd
Original Assignee
Jiangxi Luoxin Technology 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 Luoxin Technology Co ltd filed Critical Jiangxi Luoxin Technology Co ltd
Priority to CN202110778914.0A priority Critical patent/CN113381248A/en
Publication of CN113381248A publication Critical patent/CN113381248A/en
Withdrawn legal-status Critical Current

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    • 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
    • H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • 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
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
    • 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
    • H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
    • 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
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • 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
    • H01R13/717—Structural association with built-in electrical component with built-in light source
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • 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
    • 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
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body

Landscapes

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

Abstract

The invention discloses a charging head capable of realizing automatic power-off protection, which comprises a shell, wherein a charging head body is arranged in the shell, a storage battery is arranged in the charging head body, an insulating rod is fixedly connected to the lower side of the shell, a contact pin is connected in the insulating rod in a sliding manner, the insulating rod is fixedly connected with a charging guide rod through a connecting block, a clamping joint is arranged at the upper end of the charging guide rod and used for clamping the inserted contact pin, and a conducting strip is fixedly connected to the upper end of the contact pin.

Description

Charging head capable of automatic power-off protection
Technical Field
The invention relates to the technical field of charging heads, in particular to a charging head capable of realizing automatic power-off protection.
Background
The existing electric appliances needing charging, such as mobile phones, shavers, electric toothbrushes and the like, are provided with an independent charging head which is used for converting commercial power into low-voltage direct current for use;
the problem that exists now is that people generally just directly extract with the connecting wire between electrical apparatus and the head that charges after accomplishing with electrical apparatus charging, and do not have the disconnection power and the connection of the head that charges, and some circuits of the head inside that charges at this moment are still operating for the head that charges generates heat, light then can waste the electric energy like this, seriously can damage the head that charges and cause the conflagration, and the life that can reduce the head that charges generates heat in a large number in the charging process. Accordingly, the present invention is directed to a charging head capable of automatic power-off protection to solve the above-mentioned problems occurring in the prior art.
Disclosure of Invention
The present invention is directed to a charging head capable of automatic power-off protection, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a charging head capable of realizing automatic power-off protection comprises a shell, wherein a charging head body is arranged in the shell, a storage battery is arranged in the charging head body, an insulating rod is fixedly connected to the lower side of the shell, a contact pin is connected in the insulating rod in a sliding mode, the insulating rod is fixedly connected with a charging guide rod through a connecting block, a clamping connector is arranged at the upper end of the charging guide rod and used for clamping the extending contact pin, and a conducting strip is fixedly connected to the upper end of the contact pin;
two movable contacts are fixed on the lower side of the conducting strip, a fixed contact is arranged right below the movable contacts, the fixed contact close to the middle part is connected with a charging head body through a wire, the upper side of the charging head body is connected with a USB interface for charging electric appliances, the fixed contacts on the two sides are connected with a conducting frame through connecting wires, and jacks are arranged in front of the conducting frame for plugging other electric appliances;
the upside of conducting strip is fixed with the linkage piece, and the linkage piece is connected with the electro-magnet, the electro-magnet includes coil, armature and answer spring, and the outside of the first body that charges is equipped with the wind-guiding way of U type, and fan and air outlet are connected to the upper end rear side in wind-guiding way, this internal controller of electro-magnet electric connection charging head, controller electric connection have temperature sensor, current sensor and fan, install the pilot lamp on the casing for the switching of automatic control charging head.
As a further scheme of the invention, the opposite surfaces of the fixed contact and the movable contact are both arc-shaped, so that the contact area is increased, and good electric contact is ensured.
As a further scheme of the invention, the connecting block is cross-shaped, the thickness of the waist part is the same as that of the charging guide rod, the upper end and the lower end of the connecting block are both fixed with fillets, and the end parts are respectively inserted into the end grooves of the insulating rod and the charging guide rod, so that the insulating rod and the charging guide rod are stably connected.
As a further scheme of the invention, the clamping head is an elastic copper sheet, and the upper side of the copper sheet is wavy, so that the pin can be conveniently inserted.
As a further scheme of the invention, the air inlets of the air guide duct are positioned at the left side and the right side of the shell, and the air inlet net is clamped at the air outlet.
As a further aspect of the present invention, the lower side of the air guide duct at the air outlet is disposed to be inclined, so as to prevent water from flowing in.
As a further scheme of the invention, the inner walls of the air guide channels facing the charging head body are provided with cooling fins, so that the heat exchange efficiency is improved, and the rapid cooling is carried out.
As a further scheme of the invention, a support frame is connected below the shell in a sliding manner, the upper end of the support frame is rotatably connected with a gear, racks are meshed with the left side and the right side of the gear, and the racks are respectively fixed on the shell and the pressing frame.
As a further scheme of the invention, the pressing frame protrudes out of the upper side of the shell, the lower end of the pressing frame is connected with the first spring, the gear is driven to rotate through the pressing frame, and the shell is driven to ascend through the conversion of the supporting frame, so that the aim of quick plugging and unplugging is fulfilled.
As a further aspect of the present invention, the electromagnet is connected in series with an indicator light for indicating whether charging is currently performed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the movable contact pin and the movable contact, when the charging connector is not needed to be used, the disconnection state of the charging connector is ensured, and the insulating rod is arranged, so that the conductive rod without leakage exists, and the safety is improved.
2. The invention utilizes the fan to cool and radiate, and when the temperature is higher, the power is cut off and the temperature is reduced, and then the charging is carried out, thus prolonging the service life of the charging head.
3. According to the invention, the gear is driven to rotate by the pressing frame, and then the shell is driven to ascend by the conversion of the supporting frame, so that the purpose of quick plugging and unplugging is achieved, and the device can be operated by one hand, and is simple and convenient.
Drawings
Fig. 1 is a schematic diagram of a half-section structure of a charging head capable of automatic power-off protection.
Fig. 2 is a partially enlarged structural diagram of a in fig. 1.
Fig. 3 is a schematic structural view of an air duct in a charging head capable of automatic power-off protection.
Fig. 4 is a schematic structural diagram of a support frame in a charging head capable of automatic power-off protection.
Fig. 5 is a schematic structural view of a connection block in a charging head capable of automatic power-off protection.
Fig. 6 is a system block diagram of a charging head capable of auto-power-off protection.
In the figure: 1. a housing; 2. a charging head body; 3. a charging guide bar; 4. connecting blocks; 5. an insulating rod; 6. a clamping head; 7. inserting a pin; 8. a linkage piece; 9. a movable contact; 10. a stationary contact;
11. an electromagnet; 12. a connecting wire; 13. a conductive frame; 14. a jack; 15. a support frame; 16. a gear; 17. a pressing frame; 18. a first spring; 19. an air guide duct; 20. an air inlet net; 21. a fan; 22. a conductive sheet; 23. and a USB interface.
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.
Referring to fig. 1 to 6, in an embodiment of the present invention, a charging head capable of automatic power-off protection includes a housing 1, a charging head body 2 is disposed in the housing 1, a storage battery is disposed in the charging head body 2, an insulating rod 5 is fixedly connected to a lower side of the housing 1, a contact pin 7 is slidably connected to the insulating rod 5, the insulating rod 5 is fixedly connected to a charging guide rod 3 through a connection block 4, a clamping connector 6 is disposed at an upper end of the charging guide rod 3 and used for clamping the contact pin 7 extending into the clamping connector, and a conductive plate 22 is fixedly connected to an upper end of the contact pin 7;
two movable contacts 9 are fixed on the lower side of the conducting strip 22, a fixed contact 10 is arranged right below each movable contact 9, the fixed contact 10 close to the middle part is connected with the charging head body 2 through a wire, the upper side of the charging head body 2 is connected with a USB interface 23 for charging electric appliances, the fixed contacts 10 on the two sides are connected with the conducting frame 13 through a connecting wire 12, and a jack 14 is arranged in front of the conducting frame 13 and used for plugging other electric appliances;
the opposite surfaces of the fixed contact 10 and the movable contact 9 are arc-shaped, so that the contact area is increased, good electric contact is guaranteed, the connecting block 4 is cross-shaped, the thickness of the waist is the same as that of the charging guide rod 3, the upper end and the lower end of the connecting block 4 are both fixed with fillets, the end parts of the fillets are respectively inserted into grooves in the end parts of the insulating rod 5 and the charging guide rod 3, the insulating rod 5 and the charging guide rod 3 are stably connected, the clamping joint 6 is an elastic copper sheet, the upper side of the copper sheet is wavy, and the contact pins 7 are conveniently inserted;
the charging head is characterized in that a linkage piece 8 is fixed on the upper side of the conducting strip 22, the linkage piece 8 is connected with an electromagnet 11, the electromagnet 11 comprises a coil, an armature and a return spring, a U-shaped air guide channel 19 is arranged on the outer side of the charging head body 2, the rear side of the upper end of the air guide channel 19 is connected with a fan 21 and an air outlet, the electromagnet 11 is electrically connected with a controller in the charging head body 2, the controller is electrically connected with a temperature sensor, a current sensor and the fan 21, an indicator lamp is installed on the shell 1 and used for automatically controlling the charging head to be opened and closed, and the electromagnet 11 is connected with the indicator lamp in series and used for indicating whether charging is performed currently;
the air inlets of the air guide duct 19 are positioned at the left side and the right side of the shell 1, the air inlet net 20 is clamped at the air outlet, the lower side of the air guide duct 19 at the air outlet is obliquely arranged to avoid water from flowing in, and the inner walls of the air guide duct 19, facing the charging head body 2, at one side are respectively provided with a radiating fin, so that the heat exchange efficiency is improved, and the rapid cooling is performed;
the below sliding connection of casing 1 has support frame 15, and connecting gear 16 is rotated to the upper end of support frame 15, and the left and right sides of gear 16 all meshes has the rack, and the rack is fixed respectively on casing 1 and press frame 17, press frame 17 protrusion casing 1's upside, press frame 17's lower extreme to be connected with spring 18, it is rotatory to drive gear 16 through pressing frame 17, and then through the conversion of support frame 15, drives casing 1 and rises, reaches the purpose of quick plug.
The working principle of the invention is as follows: during the use, insert the socket through the guide arm 3 that charges in, insert USB interface 23 department with the USB line, the controller detects the circuit intercommunication, the equipment of connecting through battery or USB line supplies power, control electro-magnet 11 starts, drive linkage piece 8 and move down, and then make conducting strip 22 and contact pin 7 move down, when making movable contact 9 and stationary contact 10 contact, contact pin 7 passes in connecting block 4 inserts joint 6, accomplish the intercommunication of circuit, charge through the equipment of the first body 2 that charges to the USB line end.
After using a period, the temperature rises in the head body 2 that charges, through temperature sensor's monitoring, after reaching the critical value, controller control fan 21 starts, make wind inhale from air inlet net 20, discharge from the top through air guide channel 19, accelerate the heat transfer of charging head body 2 and USB interface 23 department, cool down, when long-time temperature can not get off, accessible controller disconnection electro-magnet 11's power, contact pin 7 breaks away from joint 6 under the effect of answer spring, the disconnection of charging, the equipment of connecting through battery or USB line supplies power, utilize fan 21 to cool down, after reaching below the critical value, charge again.
When short circuit occurs at the end of the USB interface 23, the current is increased instantly, and the controller controls the power supply to be disconnected.
When the plugging and unplugging device needs to be plugged and unplugged, the pressing frame 17 drives the gear 16 to rotate, and then the shell 1 is driven to ascend through the conversion of the supporting frame 15, so that the purpose of quick plugging and unplugging is achieved, the device can be operated by one hand, and the device is simple and convenient.
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 (10)

1. The charging head capable of realizing automatic power-off protection comprises a shell (1) and is characterized in that a charging head body (2) is arranged in the shell (1), a storage battery is arranged in the charging head body (2), an insulating rod (5) is fixedly connected to the lower side of the shell (1), a contact pin (7) is connected in the insulating rod (5) in a sliding mode, the insulating rod (5) is fixedly connected with a charging guide rod (3) through a connecting block (4), a clamping connector (6) is arranged at the upper end of the charging guide rod (3) and used for clamping the contact pin (7) extending into the charging guide rod, and a conducting strip (22) is fixedly connected to the upper end of the contact pin (7);
two movable contacts (9) are fixed on the lower side of the conducting strip (22), a fixed contact (10) is arranged right below each movable contact (9), the fixed contact (10) close to the middle part is connected with the charging head body (2) through a wire, the upper side of the charging head body (2) is connected with a USB interface (23), the fixed contacts (10) on the two sides are connected with the conducting frame (13) through connecting wires (12), and a jack (14) is arranged in front of the conducting frame (13);
the upside of conducting strip (22) is fixed with linkage piece (8), and linkage piece (8) are connected with electro-magnet (11), electro-magnet (11) include coil, armature and answer spring, and the outside of charging head body (2) is equipped with wind channel (19) of U type, and fan (21) and air outlet are connected to the upper end rear side in wind channel (19), controller in electro-magnet (11) electric connection charging head body (2), controller electric connection have temperature sensor, current sensor and fan (21), install the pilot lamp on casing (1).
2. A charging head with automatic power-off protection according to claim 1, characterized in that the opposite surfaces of the fixed contact (10) and the movable contact (9) are arc-shaped.
3. The charging head capable of automatic power-off protection according to claim 1, wherein the connecting block (4) is cross-shaped, the thickness of the waist is the same as that of the charging guide rod (3), the upper and lower ends of the connecting block (4) are fixed with fillets, and the ends are respectively inserted into the end grooves of the insulating rod (5) and the charging guide rod (3).
4. A charging head with automatic power-off protection according to claim 1, characterized in that the bayonet joint (6) is a resilient copper sheet, and the upper side of the copper sheet is wavy.
5. The charging head capable of automatic power-off protection according to claim 1, wherein the air inlets of the air duct (19) are located at the left and right sides of the housing (1), and the air inlet net (20) is clamped at the air outlet.
6. The charging head capable of automatic power-off protection according to claim 1, wherein the lower side of the air duct (19) at the air outlet is disposed obliquely.
7. The charging head capable of automatic power-off protection according to claim 1, wherein the inner wall of the air duct (19) facing the charging head body (2) is provided with a heat sink.
8. The charging head capable of automatic power-off protection according to claim 1, wherein a support frame (15) is slidably connected below the housing (1), the upper end of the support frame (15) is rotatably connected with a gear (16), racks are engaged on the left side and the right side of the gear (16), and the racks are respectively fixed on the housing (1) and the pressing frame (17).
9. The charging head capable of automatic power-off protection according to claim 8, wherein the pressing frame (17) protrudes from the upper side of the housing (1), and a first spring (18) is connected to the lower end of the pressing frame (17).
10. A charging head with automatic power-off protection according to claim 1, characterized in that the electromagnet (11) is connected in series with an indicator light.
CN202110778914.0A 2021-07-09 2021-07-09 Charging head capable of automatic power-off protection Withdrawn CN113381248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110778914.0A CN113381248A (en) 2021-07-09 2021-07-09 Charging head capable of automatic power-off protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110778914.0A CN113381248A (en) 2021-07-09 2021-07-09 Charging head capable of automatic power-off protection

Publications (1)

Publication Number Publication Date
CN113381248A true CN113381248A (en) 2021-09-10

Family

ID=77581606

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110778914.0A Withdrawn CN113381248A (en) 2021-07-09 2021-07-09 Charging head capable of automatic power-off protection

Country Status (1)

Country Link
CN (1) CN113381248A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117411137A (en) * 2023-10-26 2024-01-16 湖南省舟际智控电气科技有限公司 Intelligent charger that security is high

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117411137A (en) * 2023-10-26 2024-01-16 湖南省舟际智控电气科技有限公司 Intelligent charger that security is high
CN117411137B (en) * 2023-10-26 2024-04-12 湖南省舟际智控电气科技有限公司 Intelligent charger that security is high

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Application publication date: 20210910