CN111416241A - High-safety hot-plug low-voltage power supply interface - Google Patents

High-safety hot-plug low-voltage power supply interface Download PDF

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Publication number
CN111416241A
CN111416241A CN202010071431.2A CN202010071431A CN111416241A CN 111416241 A CN111416241 A CN 111416241A CN 202010071431 A CN202010071431 A CN 202010071431A CN 111416241 A CN111416241 A CN 111416241A
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CN
China
Prior art keywords
metal contact
power supply
hot
sleeve
plug
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Granted
Application number
CN202010071431.2A
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Chinese (zh)
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CN111416241B (en
Inventor
高久国
叶佳承
何锋
刘鹏
张玉飞
刘一民
龚超
贾钘楠
朱赢健
刘锦星
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.)
Zhejiang Tailun Power Group Co ltd
Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Anji Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Zhejiang Tailun Power Group Co ltd
Anji Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by Zhejiang Tailun Power Group Co ltd, Anji Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Zhejiang Tailun Power Group Co ltd
Priority to CN202010071431.2A priority Critical patent/CN111416241B/en
Publication of CN111416241A publication Critical patent/CN111416241A/en
Application granted granted Critical
Publication of CN111416241B publication Critical patent/CN111416241B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/53Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213Covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

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  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to the technical field of power supply equipment, in particular to a high-safety hot-plug low-voltage power supply interface which is arranged on a shell of the power supply equipment. The substantial effects of the invention are as follows: the safety of the power supply interface is improved through the core column; the hot plug can be prevented from being pulled out by mistake in a live state through the live locking device, and the reliability of the power supply interface is improved.

Description

High-safety hot-plug low-voltage power supply interface
Technical Field
The invention relates to the technical field of power supply equipment, in particular to a high-safety hot-plug low-voltage power supply interface.
Background
In the power distribution practice, temporary access to power supply equipment is often required, such as power conservation, temporary site power supply or short-term power distribution station expansion. For example, in areas with more developed tea planting economy, users with a large number of tea trees can greatly increase the electricity consumption of the users every tea frying season, and high load is concentrated at 7 to 12 o' clock in the evening. During the non-tea frying season, the user's load level is restored to a lower level again. The cost for upgrading and transforming the capacity of the transformer in the transformer area is high, and most of the capacity of the transformer in the transformed transformer area is in a waste state in the season of not frying tea. Therefore, the load of the transformer area is relieved by means of short-term access of the power supply equipment to the low-voltage side of the transformer area. The short-term access of these power supply devices is prone to safety hazards, especially the need to ensure the safety of the power supply interface. The existing power supply interface is inconvenient to connect and poor in safety.
For example, chinese patent CN106680653A, published 2017, 5, month 17, a power supply plug for a power supply device and a power supply device. Wherein, this power supply plug includes: a first control guide contact for connection with a second control guide contact in a power supply socket of the power supply apparatus; a first charging connection confirmation contact for connecting with a second charging confirmation contact in the power supply socket; and a load connected between the first control pilot contact and the first charging connection confirmation contact, for simulating a power consumer. Although it can realize connecting power supply unit and consumer, it does not solve the poor technical problem of power supply joint security.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the current technical problem of poor safety of a power supply interface is solved. The high-safety hot-plug low-voltage power supply interface is convenient to use and high in safety in hot plug.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a high-safety hot-plug low-voltage power supply interface is installed on a power supply equipment shell and comprises a hot-plug and a socket, wherein the hot-plug comprises an insulating sleeve, a metal contact and an outgoing wire, the metal contact is connected with the outgoing wire, the metal contact and the outgoing wire are both installed on the insulating sleeve, the socket comprises an insulating shell, a metal contact sleeve and a core column, the front part of the metal contact sleeve is processed with a contact cavity for containing the metal contact, one end of the contact cavity is opened, the outer wall of the metal contact sleeve is fixedly connected with the insulating shell, the rear part of the metal contact sleeve penetrates out of the insulating shell, the second end of the core column is fixedly connected with the closed end of the contact cavity, the metal contact is abutted against the metal contact sleeve, a core hole matched with the core column is processed on the metal contact, the, the metal contact and the contact cavity are both conical, the insulating shell is installed on the power supply equipment shell, the rear portion of the metal contact sleeve is connected with power supply voltage, and the outgoing line lead of the hot plug outputs electric energy. After the metal contact is sleeved with the metal contact sleeve, the power supply voltage can be output to the outgoing line lead for supplying power to the electric equipment. The metal contact all is the toper with the metal contact cover, and when the metal contact broke away from with metal contact cover lateral surface, stem and core hole still kept contact, until the metal contact extracts the metal contact cover, the electric spark that the hot plug in-process produced will be located between stem and the core hole, avoids arousing outside combustible material to take place the burning danger, and the toper contact surface can keep good contact.
Preferably, a clamping groove is formed in the front end of the metal contact, two side faces of the clamping groove are outwards opened, a chamfer is formed in the outer edge of the front end of the metal contact, a through hole perpendicular to the central axis of the metal contact is formed in the position, corresponding to the clamping groove, of the metal contact sleeve, and an elastic sheet matched with the clamping groove is embedded in the through hole. The cooperation of shell fragment and draw-in groove can form certain locking force, avoids hot plug to pull out the plug accident and drops. The diameter of the clamping groove of the metal contact head to the end part close to the metal contact sleeve is smaller than the diameter of the clamping groove to the other end of the metal contact head, so that a retraction space can be provided for the elastic sheet.
Preferably, one end of the elastic sheet is cylindrical, the cylindrical end is embedded in the metal contact sleeve, the other end of the elastic sheet is flat, the flat end of the elastic sheet is wound into a diamond shape, a gap is reserved between the tail end of the elastic sheet and the elastic sheet, and the diameter from the clamping groove of the metal contact head to the end close to the end of the metal contact sleeve is smaller than the diameter from the clamping groove to the other end of the metal contact head. The elastic sheet can provide locking force and is convenient to install.
Preferably, the metal contact head is provided with an electrified locking groove, the metal contact sleeve further comprises an electrified locking device, a locking hole is formed in the position, corresponding to the electrified locking groove, of the metal contact sleeve, the locking hole penetrates through the wall of one side of the metal contact sleeve, and a cavity for accommodating the electrified locking device is formed in the insulating shell. The electrified locking device can be a signal relay or an electromagnet.
Preferably, the electrified locking device comprises a mounting ring, a spring, a pin cap, a magnetic ring, a resistor R1, a resistor R2, a capacitor C and a diode D1, wherein the mounting ring is concentric with the locking hole and is fixedly mounted on the outer wall of the metal contact sleeve close to the locking hole, one end of the pin penetrates through the mounting ring and extends into the locking hole, the other end of the pin is fixedly connected with the pin cap, one side of the pin close to the opening end of the metal contact sleeve is provided with a slope, the spring is mounted between the pin cap and the mounting ring, two ends of the spring are respectively fixedly connected with the pin cap and the mounting ring, the spring is in a compressed state, one end of the spring is connected with one end of the resistor R1 through a lead, the other end of the resistor R1 is grounded, one end of the resistor R2 is connected with one end of the capacitor C1, the other end of the resistor R2 is grounded, the, the anode of diode D1 is connected to a metal contact sleeve. The working process of the preferred scheme is as follows: when the metal contact sleeve is electrified, alternating current is generated, the alternating current is rectified by a diode D1, and is subjected to voltage division on a resistor R2 through a capacitor C1 and a resistor R2, the voltage division acts on a spring and the resistor R1, so that current passes through the spring and the resistor R1, the current is alternating current, when the current passes through the spring, the spring can contract and drive the pin to move downwards, the tail end of the pin is clamped into an electrified locking groove, although the alternating current can cause the elastic force of the spring to generate vibration, the pin holding position can be maintained, and the capacitor C1 can weaken the fluctuation of the alternating current; when the metal contact sleeve is completely uncharged, the electric energy stored in the capacitor C1 and the spring is completely released, the spring recovers the external output elastic force, the elastic force drives the pin to move upwards, so that the pin is separated from the charged locking groove, and the hot plug can be pulled out. When the hot plug is not inserted into the plug socket, if the plug socket is electrified, the pin can move downwards and is located at the locking position, however, a slope is machined on one side of the pin close to the opening end of the metal contact sleeve, and the hot plug can be inserted into the plug socket by applying force slightly under the action of the slope, so that hot connection is realized.
Preferably, the electrified locking device further comprises a button switch K1, the button switch K1 is connected between the anode of the diode D1 and the metal contact sleeve, the button switch K1 is a normally closed switch, and the button of the button switch K1 is exposed outside the power supply equipment casing. The electrified locking device can be released by pressing the button switch K1 to disconnect the button switch K1, and can be inserted and pulled randomly, and the electrified locking device is in an electrified locking state after being loosened.
Preferably, the electrified locking device further comprises a magnetic ring, the magnetic ring is sleeved outside the pin and located between the pin cap and the mounting ring, the magnetic ring is fixedly connected with the insulating shell, the pin cap is magnetic, and attractive force exists between the magnetic ring and the pin cap. The influence of the elastic force vibration of the spring can be weakened through the suction action of the pin cap and the magnetic ring.
Preferably, the socket further comprises a flip cover and a mounting seat, the mounting seat is fixedly connected with the insulating shell, the insulating shell is connected with the power supply equipment shell through the mounting seat, the flip cover is rotatably installed on the mounting seat, and the flip cover covers the metal contact sleeve and the mounting seat when turned down. The flip cover can protect the plugging base from being blocked by dust.
Preferably, a groove surrounding the insulating sleeve is processed at the abutting position of the insulating sleeve and the insulating shell, a rubber ring is sleeved in the groove, and the rubber ring abuts against the plugging base when the hot plugging plug is inserted into the plugging base. The rubber ring can provide sealedly, avoids dust and rainwater to get into, improves the security.
Preferably, the insulating case has an extension portion covering a front end of the metal contact sleeve. The extension part can avoid the end part of the metal contact sleeve from leaking outwards to cause the hidden danger of electric leakage.
The substantial effects of the invention are as follows: the safety of the power supply interface is improved through the core column; the hot plug can be prevented from being pulled out by mistake in a charged state through the charged locking device, so that the reliability of a power supply interface is improved; the flip cover, the rubber ring and the extension part make the power supply interface less prone to water and dust pollution.
Drawings
Fig. 1 is a schematic structural diagram of a low-voltage fast hot-plug power supply interface according to an embodiment.
Fig. 2 is a schematic diagram of a front end structure of a receptacle according to an embodiment.
Fig. 3 is a schematic view of a thermal plug structure according to an embodiment.
Fig. 4 is a schematic structural diagram of a second socket according to an embodiment.
Wherein: 11. the wire outlet device comprises a wire outlet lead 12, an insulating sleeve 13, a metal contact head 14, a charged locking groove 15, a clamping groove 21, an insulating shell 22, a metal contact sleeve 23, a turnover cover 24, a mounting seat 25, a core column 26, a spring sheet 31, a mounting ring 32, a spring 33, a pin 34, a pin cap 35 and a magnetic ring.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
The first embodiment is as follows:
a high-safety hot-plug low-voltage power supply interface is installed on a power supply equipment shell, as shown in figure 1, the embodiment comprises a hot-plug and a socket, the hot-plug comprises an insulating sleeve 12, a metal contact and an outgoing wire 11, the metal contact is connected with the outgoing wire 11, the metal contact and the outgoing wire 11 are both installed on the insulating sleeve 12, the socket comprises an insulating shell 21, a metal contact sleeve 22 and a core column 25, a contact cavity for accommodating the metal contact is processed at the front part of the metal contact sleeve 22, one end of the contact cavity is open and the other end is closed, the outer wall of the metal contact sleeve 22 is fixedly connected with the insulating shell 21, the rear part of the metal contact sleeve 22 penetrates out of the insulating shell 21, the second end of the core column 25 is fixedly connected with the closed end of the contact cavity, the metal contact is abutted against the metal contact sleeve 22, a core hole matched with the core, the metal contact and the contact cavity are both conical, the insulating shell 21 is installed on the shell of the power supply equipment, the rear part of the metal contact sleeve 22 is connected with power supply voltage, and the outgoing wire 11 of the hot plug outputs electric energy. After the metal contact contacts with the metal contact sleeve 22, the power supply voltage can be output to the outgoing line lead 11 for supplying power to the electric equipment.
As shown in fig. 2, the mounting seat 24 is fixedly connected to the insulating housing 21, the insulating housing 21 is connected to the power supply device housing through the mounting seat 24, the flip cover 23 is rotatably mounted on the mounting seat 24, and the flip cover 23 covers the metal contact sleeve 22 and the mounting seat 24 when turned down. The butt department processing of insulating cover 12 and insulating casing 21 has the recess that encircles insulating cover 12, and the recess endotheca has the rubber circle, and rubber circle and plug base butt when the plug inserts the plug base. The rubber ring can provide sealedly, avoids dust and rainwater to get into, improves the security. The insulating case 21 has an extension covering the front end of the metal contact sleeve 22. The extension portion can avoid the end of the metal contact sleeve 22 from leaking outwards, which causes the hidden trouble of electric leakage.
As shown in fig. 3, a clamping groove 15 is formed in the front end of the metal contact, two side surfaces of the clamping groove 15 are opened outwards, a chamfer is formed in the outer edge of the front end of the metal contact, a through hole perpendicular to the central axis of the metal contact 13 is formed in a position of the metal contact sleeve 22 corresponding to the clamping groove 15, and an elastic sheet 26 matched with the clamping groove 15 is embedded in the through hole. The cooperation of shell fragment 26 and draw-in groove 15 can form certain locking force, avoids hot plug to pull out the plug accident and drops. The diameter from the clamping groove 15 of the metal contact head 13 to the end close to the metal contact sleeve 22 is smaller than the diameter from the clamping groove 15 to the other end of the metal contact head 13, so that a retraction space can be provided for the elastic sheet 26. One end of the elastic sheet 26 is cylindrical, the cylindrical end is embedded in the metal contact sleeve 22, the other end of the elastic sheet 26 is flat, the flat end of the elastic sheet 26 is wound into a diamond shape, and a gap is formed between the tail end of the elastic sheet 26 and the elastic sheet 26. The elastic sheet 26 can provide locking force and is convenient to install.
The embodiment has the following beneficial effects: the metal contact and the metal contact sleeve 22 are both in a conical shape, when the metal contact is separated from the outer side face of the metal contact sleeve 22, the core column 25 still keeps in contact with the core hole until the metal contact is pulled out of the metal contact sleeve 22, electric sparks generated in the hot plugging process are located between the core column 25 and the core hole, the danger of burning of external combustible materials is avoided, and a conical contact surface can keep good contact.
Example two:
the embodiment further improves the safety of the power supply interface on the basis of the first embodiment. In the embodiment, as shown in fig. 4, the metal contact head 13 is formed with an electrified locking groove 14, the metal contact sleeve 22 further includes an electrified locking device, a locking hole is formed at a position of the metal contact sleeve 22 corresponding to the electrified locking groove 14, the locking hole penetrates through a wall of one side of the metal contact sleeve 22, and the insulating housing 21 is formed with a cavity for accommodating the electrified locking device. The electrified locking device can be a signal relay or an electromagnet.
The electrified locking device comprises a mounting ring 31, a spring 32, a pin 33, a pin cap 34, a magnetic ring 35, a resistor R1, a resistor R2, a capacitor C and a diode D1, wherein the mounting ring 31 is concentric with a locking hole and is fixedly arranged on the outer wall of the metal contact sleeve 22 close to the locking hole, one end of the pin 33 penetrates through the mounting ring 31 and extends into the locking hole, the other end of the pin 33 is fixedly connected with the pin cap 34, one side of the pin 33 close to the opening end of the metal contact sleeve 22 is provided with a slope, the spring 32 is arranged between the pin cap 34 and the mounting ring 31, two ends of the spring 32 are respectively and fixedly connected with the pin cap 34 and the mounting ring 31, the spring 32 is in a compression state, one end of the spring 32 is connected with one end of a resistor R1 through a lead, the other end of the resistor R1 is grounded, one end of the resistor R3656362 is connected with one end of the capacitor C7, the other end, the anode of diode D1 is connected to metal contact sleeve 22. The button switch K1 is connected between the anode of the diode D1 and the metal contact sleeve 22, the button switch K1 is a normally closed switch, and the button of the button switch K1 is exposed outside the power supply equipment shell. The magnetic ring 35 is sleeved outside the pin 33 and located between the pin cap 34 and the mounting ring 31, the magnetic ring 35 is fixedly connected with the insulating shell 21, the pin cap 34 has magnetism, and attraction is formed between the magnetic ring 35 and the pin cap 34.
The working process of the electrified locking device is as follows: when the metal contact sleeve 22 is electrified, alternating current is generated, the alternating current is rectified by a diode D1, and is transmitted through a capacitor C1 and a resistor R2, partial voltage is generated on a resistor R2, the partial voltage acts on a spring 32 and a resistor R1, so that current passes through the spring 32 and the resistor R1, the current is alternating current, when the current passes through the spring 32, the spring 32 tends to contract, the pin 33 is driven to move downwards, the tail end of the pin 33 is clamped into the electrified locking groove 14, although the alternating current can cause the elastic force of the spring 32 to generate vibration, the position of the pin 33 can be maintained, and the fluctuation of the alternating current can be weakened by the capacitor C1; when the metal contact sleeve 22 is completely uncharged, the electric energy stored in the capacitor C1 and the spring 32 is completely released, and the elastic force output by the spring 32 is restored, and the elastic force drives the pin 33 to move upwards, so that the pin 33 is separated from the charged locking slot 14, and the hot-pluggable plug can be unplugged. When the hot plug is not inserted into the plug socket, if the plug socket is electrified, the pin 33 can move downwards and be located at the locking position, but a slope is processed on one side of the pin 33 close to the opening end of the metal contact sleeve 22, and the hot plug can be inserted into the plug socket by slightly exerting force under the action of the slope, so that hot connection is realized. The electrified locking device can be released by pressing the button switch K1 to disconnect the button switch K1, and can be inserted and pulled randomly, and the electrified locking device is in an electrified locking state after being loosened. The suction effect of the pin cap 34 and the magnetic ring 35 can reduce the influence of the elastic force vibration of the spring 32.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.

Claims (8)

1. A high-safety hot-plug low-voltage power supply interface is arranged on a shell of power supply equipment and is characterized in that,
comprises a hot-plug and a socket,
the hot plug comprises an insulating sleeve, a metal contact and an outgoing wire, wherein the metal contact is connected with the outgoing wire, the metal contact and the outgoing wire are both arranged on the insulating sleeve,
the socket includes insulating casing, metal contact cover and stem, metal contact cover front portion processing has and is used for holding metal contact's contact chamber, contact chamber one end opening one end is sealed, metal contact cover outer wall and insulating casing fixed connection, wear out at metal contact cover rear portion the insulating casing, the stem second end with contact chamber blind end fixed connection, metal contact and metal contact cover butt, metal contact processing have with the core hole that the stem matches, the first end of stem flushes with contact chamber open end, metal contact and contact chamber all are the toper, the insulating casing is installed on the power supply unit casing, metal contact cover rear portion is connected with supply voltage, the wire output electric energy of being qualified for the next round of competitions of hot plug.
2. A high safety hot-pluggable low voltage power supply interface as set forth in claim 1,
the metal contact is provided with an electrified locking groove,
the metal contact sleeve further comprises an electrified locking device, a locking hole is formed in the position, corresponding to the electrified locking groove, of the metal contact sleeve, the locking hole penetrates through the wall of one side of the metal contact sleeve, and a cavity for accommodating the electrified locking device is formed in the insulating shell.
3. A high safety hot-pluggable low voltage power supply interface as set forth in claim 2,
the electrified locking device comprises a mounting ring, a spring, a pin cap, a magnetic ring, a resistor R1, a resistor R2, a capacitor C and a diode D1, the mounting ring is concentric with the locking hole and is fixedly mounted on the outer wall of the metal contact sleeve close to the locking hole, one end of the pin penetrates through the mounting ring and extends into the locking hole, the other end of the pin is fixedly connected with the pin cap, a slope is processed on one side of the pin close to the opening end of the metal contact sleeve, the spring is arranged between the pin cap and the mounting ring, two ends of the spring are respectively fixedly connected with the pin cap and the mounting ring, the spring is in a compressed state, one end of the spring is connected with one end of a resistor R1 through a lead, the other end of the resistor R1 is grounded, one end of a resistor R2 is connected with one end of a capacitor C1, the other end of the resistor R2 is grounded, the other end of the capacitor C1 is connected with the other end of the spring and the cathode of a diode D1, and the anode of the diode D1 is connected with a metal contact sleeve.
4. A high safety hot-pluggable low voltage power supply interface as set forth in claim 3,
the electrified locking device further comprises a button switch K1, the button switch K1 is connected between the anode of the diode D1 and the metal contact sleeve, the button switch K1 is a normally closed switch, and the button of the button switch K1 is exposed outside the power supply equipment shell.
5. A high safety hot-pluggable low voltage power supply interface according to claim 3 or 4,
the electrified locking device further comprises a magnetic ring, the magnetic ring is sleeved on the outer side of the pin and located between the pin cap and the mounting ring, the magnetic ring is fixedly connected with the insulating shell, the pin cap is magnetic, and attractive force exists between the magnetic ring and the pin cap.
6. A high safety hot-pluggable low voltage power supply interface according to claim 1, 2, 3 or 4,
the socket further comprises a flip cover and a mounting seat, the mounting seat is fixedly connected with the insulating shell, the insulating shell is connected with the power supply equipment shell through the mounting seat, the flip cover is rotatably installed on the mounting seat, and the flip cover covers the metal contact sleeve and the mounting seat when turned down.
7. A high safety hot-pluggable low voltage power supply interface according to claim 1, 2, 3 or 4,
the insulation cover is provided with a groove surrounding the insulation cover at the butt joint with the insulation shell, a rubber ring is sleeved in the groove, and the rubber ring is abutted to the plug base when the hot plug is inserted into the plug base.
8. A high safety hot-pluggable low voltage power supply interface according to claim 1, 2, 3 or 4,
the insulating housing has an extension covering the front end of the metal contact sleeve.
CN202010071431.2A 2020-01-21 2020-01-21 High-safety hot-plug low-voltage power supply interface Active CN111416241B (en)

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Application Number Priority Date Filing Date Title
CN202010071431.2A CN111416241B (en) 2020-01-21 2020-01-21 High-safety hot-plug low-voltage power supply interface

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301236A (en) * 1995-05-22 1996-11-27 Interconnectron Gmbh Plug & socket connector for providing electrical & non-electrical throughway connections
CN101420081A (en) * 2007-10-27 2009-04-29 贵州航天电器股份有限公司 Be applied to the quick locking and the separating mechanism of coaxial electric coupler
CN102157851A (en) * 2010-12-31 2011-08-17 中航光电科技股份有限公司 Plug of communication electrical connector and communication electrical connector component
WO2012123062A1 (en) * 2011-03-17 2012-09-20 Hummel Ag Plug-in connector having contacts
CN204230544U (en) * 2014-11-20 2015-03-25 江苏道爵实业有限公司 The charging socket assembly of electric automobile
CN110289527A (en) * 2019-06-18 2019-09-27 贵州电网有限责任公司 A kind of cable elbow headband electric plug device and method fastly
CN111055748A (en) * 2019-11-12 2020-04-24 国网浙江省电力有限公司湖州供电公司 Low-voltage mobile energy storage system and control method thereof
CN212626330U (en) * 2020-07-10 2021-02-26 深圳市佳航电子有限公司 Firmly-connected power connector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301236A (en) * 1995-05-22 1996-11-27 Interconnectron Gmbh Plug & socket connector for providing electrical & non-electrical throughway connections
CN101420081A (en) * 2007-10-27 2009-04-29 贵州航天电器股份有限公司 Be applied to the quick locking and the separating mechanism of coaxial electric coupler
CN102157851A (en) * 2010-12-31 2011-08-17 中航光电科技股份有限公司 Plug of communication electrical connector and communication electrical connector component
WO2012123062A1 (en) * 2011-03-17 2012-09-20 Hummel Ag Plug-in connector having contacts
CN204230544U (en) * 2014-11-20 2015-03-25 江苏道爵实业有限公司 The charging socket assembly of electric automobile
CN110289527A (en) * 2019-06-18 2019-09-27 贵州电网有限责任公司 A kind of cable elbow headband electric plug device and method fastly
CN111055748A (en) * 2019-11-12 2020-04-24 国网浙江省电力有限公司湖州供电公司 Low-voltage mobile energy storage system and control method thereof
CN212626330U (en) * 2020-07-10 2021-02-26 深圳市佳航电子有限公司 Firmly-connected power connector

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