CN113555743A - Socket with automatic circuit breaking function - Google Patents

Socket with automatic circuit breaking function Download PDF

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Publication number
CN113555743A
CN113555743A CN202110822828.5A CN202110822828A CN113555743A CN 113555743 A CN113555743 A CN 113555743A CN 202110822828 A CN202110822828 A CN 202110822828A CN 113555743 A CN113555743 A CN 113555743A
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CN
China
Prior art keywords
socket
flame
cassette
voltage
circuit
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Application number
CN202110822828.5A
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Chinese (zh)
Inventor
孙志胜
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Zhongshan Yiyuan Technology Research Co ltd
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Zhongshan Yiyuan Technology Research Co ltd
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Priority to CN202110822828.5A priority Critical patent/CN113555743A/en
Publication of CN113555743A publication Critical patent/CN113555743A/en
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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
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7035—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part comprising a separated limit 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/527—Flameproof cases
    • 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
    • H01R13/665—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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
    • 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
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • 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
    • H05K7/20127—Natural convection

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses a socket with an automatic circuit-breaking function, which comprises a cassette, wherein a frame is arranged on one side of the cassette, a panel is arranged on the inner side of the frame, a double-head socket and a three-head socket are arranged on the inner side of the panel, the double-head socket is arranged above the three-head socket, heat dissipation holes are formed in the outer side of the cassette, and a mounting frame is fixedly connected to the outer side of the cassette; through the inside at the magazine is provided with electrically conductive splint, back in the plug inserts double-end socket, drive electrically conductive splint rearward movement, make electrically conductive splint touch the rectangle pressure head, the rectangle pressure head then can drive the connecting block and touch the outside of fuse, then the circuit leads to, short circuit phenomenon appears when the circuit, the fuse can trigger the fusing, make whole circuit outage, can't the circular telegram, this device can effectually accomplish outage work when the circuit short circuit, make to use to get up and become safer, user's safety has been protected.

Description

Socket with automatic circuit breaking function
Technical Field
The invention belongs to the technical field of sockets, and particularly relates to a socket with an automatic circuit breaking function.
Background
The socket is also called a power socket or a switch socket, and the socket is a socket into which one or more circuit wiring can be inserted, various wiring can be inserted through the socket, so that the socket is convenient to be connected with other circuits, and the connection and disconnection between a circuit and a copper piece are realized to finally achieve the connection and disconnection of the partial circuit.
Present socket is when using, when meetting the short circuit, the socket can not directly cut off the power supply, but make whole house outage, and can have the electric spark to appear in the twinkling of an eye of socket short circuit, seriously influence user's safety in utilization, can lead to the appearance of conflagration even, and when socket long-term use, inside heat can't in time spill, the risk of spontaneous combustion has been increased, the socket is placed in the wall for a long time, can lead to inside steam gets into the socket, also can lead to the emergence of short circuit phenomenon, for this, we provide a socket that has the automatic function of opening circuit.
Disclosure of Invention
The invention aims to overcome the technical problem of the prior art, and provides a socket with an automatic circuit-breaking function, so as to solve the problems that when the conventional socket provided in the background art is used, the socket cannot be directly powered off when short circuit occurs, but the power of the whole house is cut off, electric sparks often occur at the moment of short circuit of the socket, the use safety of a user is seriously affected, and even fire disasters occur.
In order to achieve the purpose, the invention provides the following technical scheme: the socket with the automatic circuit-breaking function comprises a cassette and a connecting block, wherein a frame is arranged on one side of the cassette, a panel is arranged on the inner side of the frame, a double-head socket and a three-head socket are arranged on the inner side of the panel, and the double-head socket is arranged above the three-head socket.
Preferably, the outside of magazine is provided with the louvre, the outside fixedly connected with mounting bracket of magazine, be provided with the built-in installation steelframe between panel and the mounting bracket.
Preferably, the outer side of the mounting frame is connected with a frame in a clamping mode, and mounting holes are formed in the inner side of the embedded mounting steel frame.
Preferably, the connecting block is slidably connected to the inner side of the mounting groove and arranged on one side of the fuse.
Preferably, the two sides of the cassette are uniformly provided with four heat dissipation holes.
Preferably, the cassette is arranged inside the wall body, and the mounting rack is fixedly connected to the outer side of the wall body through screws.
Preferably, both sides of the cassette are provided with water barriers, and the water barriers are arranged on the inner sides of the radiating holes.
Preferably, the inboard of magazine is provided with electrically conductive splint, electrically conductive splint set up in the inboard of double-end socket, electrically conductive splint's opposite side is provided with the rectangle pressure head, the opposite side fixedly connected with connecting block of rectangle pressure head, the equal fixedly connected with spring in both sides of rectangle pressure head, the other end fixed connection of spring is in the outside of mounting groove, the other end of connecting block sets up in the inboard of mounting groove, the inboard of mounting groove is provided with the fuse, the both sides of fuse all are provided with circuit overvoltage protector, circuit overvoltage protector's other end fixed connection is in one side of wiring board, the opposite side fixedly connected with outlet of wiring board, the other end of outlet sets up in the outside of magazine.
Preferably, the flame-retardant layer is arranged on the inner side of the waterproof layer, the flame-retardant layer is fixedly connected to the inner side of the cassette, the plug is arranged on the inner side of the double-head socket, and the plug is connected to the inner side of the double-head socket in a sliding manner;
line overvoltage protection devices are arranged on two sides of the fuse;
when the circuit voltage is greater than the set protection voltage, the line overvoltage protection device provides corresponding voltage drop to perform overvoltage protection on the circuit;
calculating the protection voltage of the line overvoltage protection device, wherein the formula is as follows:
FI＝Fi(alz-b)XLbXtb/Xcr
wherein, FIProtection of indicating line overvoltage protectorVoltage, FiI voltage values, a, representing the socket circuitlzRepresenting the number of plugs of the double-ended socket, b representing the number of unused plugs of the double-ended socket, XLbRepresenting the mean value of the voltage fluctuation, XtbRepresenting the maximum difference in voltage at time t, XcrRepresents a voltage reference value; by calculating the protection voltage of the line overvoltage protection device, when the circuit is in overvoltage, corresponding voltage drop is provided for an overvoltage part according to the calculated result so that the voltage is stabilized within a rated range; the line overvoltage protection device provides voltage limiting protection when the circuit is in overvoltage and is connected with the current protection of the fuse in parallel, so that the socket circuit is protected in multiple ways.
Preferably, the water-resisting layer is arranged between the flame-retardant layer and the cassette, and the water-resisting layer and the flame-retardant layer have the same extension length in the horizontal direction and the vertical direction of the plane; the inner diameter of the heat dissipation hole is smaller than the extension length of the waterproof layer; the flame retardant layer further comprises: the insulation protection alarm device is used for carrying out insulation protection alarm prompt while flame retarding; the insulation protection alarm device includes:
a contact point interface temperature measuring unit for measuring a contact point interface temperature;
the measurement signal conversion unit is used for converting the temperature change of the contact point interface into the change of an electric signal;
the data processing control unit is used for receiving the electric signal converted by the measurement signal conversion unit, performing operation processing, calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor according to the measured contact point interface temperature value, and judging the insulation performance of the flame-retardant layer through the insulation resistivity of the flame-retardant layer under the temperature influence factor;
and (3) calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor, wherein the formula is as follows:
Figure BDA0003172426520000031
wherein, delta is the insulation resistivity of the flame-retardant layer under the temperature influence factor, W is the breakdown voltage of the flame-retardant layer, and alpha0Representing flame-retardant layers at 0 degrees centigradeCoefficient of thermal conductivity, mu, temperature coefficient of resistivity, omega0Denotes the coefficient of thermal conductivity, CiRepresenting the maximum temperature value of the interface of the contact points, C1The first contact temperature value of the conductor contact point interface is represented, and when the insulation resistivity of the flame-retardant layer under the temperature influence factor is not larger than the set resistivity, the control unit sends out a resistivity abnormal control signal to trigger the alarm unit to give an insulation abnormal alarm prompt;
the abnormal alarm unit is used for receiving the alarm trigger signal of the data processing control unit and carrying out alarm prompt; the flame-retardant cable can be subjected to temperature matching, flame-retardant thickness adjustment and gap filling according to temperature expansion and contraction at different temperatures, and can meet the set insulating property requirement.
Compared with the prior art, the invention provides a socket with an automatic circuit breaking function, which has the following beneficial effects:
1. according to the invention, the conductive clamping plate is arranged in the cassette, and when the plug is inserted into the double-end socket, the conductive clamping plate is driven to move backwards, so that the conductive clamping plate contacts the rectangular pressure head, the rectangular pressure head can drive the connecting block to contact the outer side of the fuse, the circuit is connected, and when the circuit is short-circuited, the fuse can be triggered to fuse, so that the whole circuit is powered off and cannot be powered on;
2. according to the invention, the materials of the hidden box, the frame, the panel and the mounting rack are set to be the flame-retardant PC, and the flame-retardant principle of the flame-retardant PC is to catalyze the charring of the PC during combustion, so that the flame-retardant purpose is achieved;
3. according to the invention, the radiating holes are uniformly arranged on the outer side of the cassette, so that a large amount of heat can be radiated in the cassette in long-term use, and the arrangement of the radiating holes can effectively reduce the heat residue in the cassette, effectively improve the radiating capacity of the device and prolong the service life of the device;
4. according to the invention, the waterproof layer and the flame-retardant layer are arranged on the inner side of the hidden box, the waterproof layer is prepared by mixing polyisobutylene and polyurethane in proportion, and the hidden box has the characteristics of high tensile strength, high elasticity and elongation, good water resistance and weather resistance and the like, the service life is longer, the flame-retardant layer is made of fireproof sponge, the fireproof sponge is also called as flame-retardant sponge, fireproof cotton and flame-retardant cotton, and is generally a fireproof material synthesized by adding flame retardants into various polyurethanes, the spontaneous combustion phenomenon in the hidden box can be effectively prevented, and the use safety of the device is enhanced.
5. The flame-retardant layer is arranged on the inner side of the waterproof layer and fixedly connected to the inner side of the cassette, and the plug is arranged on the inner side of the double-head socket and is connected to the inner side of the double-head socket in a sliding manner; both sides of the fuse are provided with line overvoltage protection devices; when the circuit voltage is greater than the set protection voltage, the line overvoltage protection device provides corresponding voltage drop to perform overvoltage protection on the circuit; calculating the protective voltage of a line overvoltage protection device, FIIndicating the protective voltage of the line overvoltage protection device, FiI voltage values, a, representing the socket circuitlzRepresenting the number of plugs of the double-ended socket, b representing the number of unused plugs of the double-ended socket, XLbRepresenting the mean value of the voltage fluctuation, XtbRepresenting the maximum difference in voltage at time t, XcrRepresents a voltage reference value; by calculating the protection voltage of the line overvoltage protection device, when the circuit is in overvoltage, corresponding voltage drop is provided for an overvoltage part according to the calculated result so that the voltage is stabilized within a rated range; the line overvoltage protection device provides voltage limiting protection when the circuit is in overvoltage and is connected with the current protection of the fuse in parallel, so that the socket circuit is protected in multiple ways.
6. The waterproof layer is arranged between the flame-retardant layer and the cassette, and the extension lengths of the waterproof layer and the flame-retardant layer along the horizontal direction and the vertical direction of the plane are equal; the inner diameter of the heat dissipation hole is smaller than the extension length of the waterproof layer; the flame retardant layer further comprises: the insulation protection alarm device is used for carrying out insulation protection alarm prompt while flame retarding; the insulation protection alarm device includes: contact point interface temperature measuring unit for measuring contactPoint interface temperature; the measurement signal conversion unit is used for converting the temperature change of the contact point interface into the change of an electric signal; the data processing control unit is used for receiving the electric signal converted by the measurement signal conversion unit, performing operation processing, calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor according to the measured contact point interface temperature value, and judging the insulation performance of the flame-retardant layer through the insulation resistivity of the flame-retardant layer under the temperature influence factor; delta is the insulation resistivity of the flame-retardant layer under the temperature-influencing factor, W is the breakdown voltage of the flame-retardant layer, alpha0Denotes the thermal conductivity value of the flame-retardant layer at 0 degrees Celsius, mu denotes the temperature coefficient of the resistivity, omega0Denotes the coefficient of thermal conductivity, CiRepresenting the maximum temperature value of the interface of the contact points, C1The first contact temperature value of the conductor contact point interface is represented, and when the insulation resistivity of the flame-retardant layer under the temperature influence factor is not larger than the set resistivity, the control unit sends out a resistivity abnormal control signal to trigger the alarm unit to give an insulation abnormal alarm prompt; the abnormal alarm unit is used for receiving the alarm trigger signal of the data processing control unit and carrying out alarm prompt; the flame-retardant cable can be subjected to temperature matching adjustment and flame-retardant thickness matching and gap filling according to temperature expansion and contraction at different temperatures, and can meet the set insulating property requirement; the thickness of the flame-retardant layer at different temperatures can be adjusted, so that the flame-retardant layer can be adjusted to match the flame-retardant thickness and fill gaps according to the temperature expansion and contraction at different temperatures, the set insulation performance requirement can be met, the thickness is not required to be excessively thick, the effects of flame retardance, insulation and better matching with the structures and functions of other parts are achieved, and the automatic short circuit structure connection of the socket is more suitable for use scenes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic perspective view of a socket with an automatic circuit breaker according to the present invention;
fig. 2 is a front view of a socket with an automatic circuit breaking function according to the present invention;
fig. 3 is a schematic front view of a socket with an automatic circuit breaker according to the present invention after a frame is detached;
FIG. 4 is a schematic side view of an internal structure of a receptacle with an automatic circuit breaker according to the present invention;
fig. 5 is a schematic top view of an internal structure of a socket with an automatic circuit breaking function according to the present invention.
In the figure: cassette 1, frame 2, panel 3, louvre 4, double-end socket 5, three-end socket 6, mounting bracket 7, built-in installation steelframe 8, mounting hole 9, electrically conductive splint 10, rectangle pressure head 11, connecting block 12, spring 13, mounting groove 14, fuse 15, circuit overvoltage protection device 16, wiring board 17, outlet 18, water barrier 19, fire-retardant layer 20.
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. 1-5, the present invention provides a technical solution: a socket with an automatic circuit-breaking function comprises a cassette, wherein a frame is arranged on one side of the cassette, a panel is arranged on the inner side of the frame, a double-end socket and a three-end socket are arranged on the inner side of the panel, the double-end socket is arranged above the three-end socket, heat dissipation holes are formed in the outer side of the cassette, a mounting frame is fixedly connected to the outer side of the cassette, an embedded mounting steel frame is arranged between the panel and the mounting frame, mounting holes are formed in the inner side of the embedded mounting steel frame, a conductive clamping plate is arranged on the inner side of the cassette, the conductive clamping plate is arranged on the inner side of the double-end socket, a rectangular pressure head is arranged on the other side of the conductive clamping plate, a connecting block is fixedly connected to the other side of the rectangular pressure head, springs are fixedly connected to two sides of the rectangular pressure head, and the other ends of the springs are fixedly connected to the outer sides of the mounting grooves, the other end of the connecting block is arranged on the inner side of the mounting groove, the fuse is arranged on the inner side of the mounting groove, line overvoltage protection devices are arranged on two sides of the fuse, the other end of each line overvoltage protection device is fixedly connected to one side of the wiring board, the other side of the wiring board is fixedly connected with a wire outlet, the other end of the wire outlet is arranged on the outer side of the cassette, after the plug is inserted into the double-end socket 5, the conductive clamping plate 10 is driven to move backwards, the conductive clamping plate 10 is driven to contact the rectangular pressure head 11, the rectangular pressure head 11 can drive the connecting block 12 to contact the outer side of the fuse 15, the line is connected, when the line has a short circuit phenomenon, the fuse 15 can be triggered to fuse, the whole circuit is powered off and cannot be powered on, and the device can effectively complete the power-off work when the circuit is short-circuited, the use becomes safer, and the safety of the user is protected.
In the invention, preferably, the frame 2 is connected to the outer side of the mounting frame 7 in a clamping manner, the connecting block 12 is connected to the inner side of the mounting groove 14 in a sliding manner, the connecting block 12 is arranged on one side of the fuse 15, the cassette 1 is arranged inside the wall body, the mounting frame 7 is fixedly connected to the outer side of the wall body through screws, the two sides of the cassette 1 are uniformly provided with four heat dissipation holes 4, the inner side of the double-end socket 5 is provided with a plug, the plug is connected to the inner side of the double-end socket 5 in a sliding manner, the heat dissipation holes 4 are uniformly arranged on the outer side of the cassette 1, a large amount of heat can be dissipated in the cassette 1 in long-term use, the heat residual inside the cassette 1 can be effectively reduced due to the arrangement of the heat dissipation holes 4, the heat dissipation capacity of the device can be effectively improved, and the service life of the device is prolonged.
In the invention, preferably, both sides of the hidden box 1 are provided with the water-resisting layers 19, the water-resisting layers 19 are arranged on the inner sides of the heat dissipation holes 4, the inner sides of the water-resisting layers 19 are provided with the flame-retardant layers 20, the flame-retardant layers 20 are fixedly connected to the inner sides of the hidden box 1, the water-resisting layers 19 and the flame-retardant layers 20 are arranged on the inner sides of the hidden box 1, the water-resisting layers 19 are made of polyisobutylene and polyurethane which are mixed in proportion, and the waterproof flame-retardant material has the characteristics of high tensile strength, high elasticity and elongation, good water resistance and weather resistance and the like, the service life is longer, the flame-retardant layers 20 are made of fireproof sponge, the fireproof sponge is also called as flame-retardant sponge, fireproof cotton and flame-retardant cotton, generally speaking, the fireproof material is synthesized by adding flame retardants into various polyurethanes, the spontaneous combustion phenomenon in the hidden box 1 can be effectively prevented, and the use safety of the device is enhanced.
In the present invention, preferably, a flame retardant layer 20 is disposed on the inner side of the water barrier layer 19, the flame retardant layer 20 is fixedly connected to the inner side of the cassette 1, and a plug is disposed on the inner side of the dual-head socket 5 and slidably connected to the inner side of the dual-head socket 5; both sides of the fuse 15 are provided with line overvoltage protection devices 16; the protection voltage of the line overvoltage protection device 16 is calculated according to the following formula:
FI＝Fi(alz-b)XLbXtb/Xcr
wherein, FIIndicating the protection voltage, F, of the line overvoltage protection device 16iI voltage values, a, representing the socket circuitlzIndicates the number of plugs of the double-ended socket 5, b indicates the number of unused plugs of the double-ended socket 5, XLbRepresenting the mean value of the voltage fluctuation, XtbRepresenting the maximum difference in voltage at time t, XcrRepresents a voltage reference value; by calculating the protection voltage of the line overvoltage protection device 16, when the circuit is in overvoltage, corresponding voltage drop is provided for an overvoltage part according to the calculated result so that the voltage is stabilized within a rated range; the line overvoltage protection device 16 provides voltage limiting protection when the circuit is in overvoltage, and is combined with current protection of the fuse, so that the socket circuit can be protected in multiple ways.
In the present invention, it is preferable that the water-blocking layer 19 is provided between the flame retardant layer 20 and the cassette 1, and the water-blocking layer 19 and the flame retardant layer 20 have the same extension length in the horizontal direction and the vertical direction of the plane; the inner diameter of the heat dissipation hole 4 is smaller than the extension length of the waterproof layer 19; the flame retardant layer 20 further comprises: the insulation protection alarm device is used for carrying out insulation protection alarm prompt while flame retarding; the insulation protection alarm device includes:
a contact point interface temperature measuring unit for measuring a contact point interface temperature;
the measurement signal conversion unit is used for converting the temperature change of the contact point interface into the change of an electric signal;
the data processing control unit is used for receiving the electric signal converted by the measurement signal conversion unit, performing operation processing, calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor according to the measured contact point interface temperature value, and judging the insulation performance of the flame-retardant layer through the insulation resistivity of the flame-retardant layer under the temperature influence factor;
and (3) calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor, wherein the formula is as follows:
Figure BDA0003172426520000091
wherein, delta is the insulation resistivity of the flame-retardant layer under the temperature influence factor, W is the breakdown voltage of the flame-retardant layer, and alpha0Denotes the thermal conductivity value of the flame-retardant layer at 0 degrees Celsius, mu denotes the temperature coefficient of the resistivity, omega0Denotes the coefficient of thermal conductivity, CiRepresenting the maximum temperature value of the interface of the contact points, C1The first contact temperature value of the conductor contact point interface is represented, and when the insulation resistivity of the flame-retardant layer under the temperature influence factor is not larger than the set resistivity, the control unit sends out a resistivity abnormal control signal to trigger the alarm unit to give an insulation abnormal alarm prompt;
the abnormal alarm unit is used for receiving the alarm trigger signal of the data processing control unit and carrying out alarm prompt; the flame-retardant cable can be subjected to temperature matching adjustment and flame-retardant thickness matching and gap filling according to temperature expansion and contraction at different temperatures, and can meet the set insulating property requirement;
the thickness of the flame-retardant layer 20 at different temperatures can be adjusted, so that the flame-retardant layer can be adjusted in temperature matching and matched with the flame-retardant thickness and fill gaps according to temperature expansion and contraction at different temperatures, and meanwhile, the set insulation performance requirement can be met.
The working principle and the using process of the invention are as follows: when the device is used, the conductive clamping plate 10 is arranged in the hidden box 1, after a plug is inserted into the double-end socket 5, the conductive clamping plate 10 is driven to move backwards, the conductive clamping plate 10 is enabled to contact the rectangular pressure head 11, the rectangular pressure head 11 can drive the connecting block 12 to contact the outer side of the fuse 15, the circuit is connected, when the circuit is short-circuited, the fuse 15 can be triggered to fuse, the whole circuit is powered off and cannot be powered on, the device can effectively complete the power-off work when the circuit is short-circuited, the use is safer, the safety of a user is protected, the hidden box 1, the frame 2, the panel 3 and the mounting frame 7 are made of flame-retardant PC, the flame-retardant principle of the flame-retardant PC is to catalyze the carbon formation of the PC during the combustion, the flame-retardant purpose is achieved, when the device is used, the spontaneous combustion phenomenon in the use process can be effectively prevented, and the occurrence of accidents in the use process of the device is reduced, the safety of users is protected, and through the uniform arrangement of the heat dissipation holes 4 on the outer side of the cassette 1, in long-term use, the cassette 1 can emit a large amount of heat, the arrangement of the heat dissipation holes 4 can effectively reduce the heat residual in the cassette 1, effectively improve the heat dissipation capability of the device and prolong the service life of the device, through the inboard at magazine 1 be provided with water barrier 19 and fire-retardant layer 20, water barrier 19's material is polyisobutylene and polyurethane proportionally mixed and obtains, it is high to have tensile strength, elasticity and elongation are big, characteristics such as water resistance and weatherability are good, service life is longer, fire-retardant layer 20's material is the fire prevention sponge, the fire prevention sponge is also called fire-retardant sponge, fire-retardant cotton, it is synthetic fire-proof material of various polyurethane class interpolation fire retardants that is general, can effectively prevent the spontaneous combustion phenomenon from appearing in magazine 1, the security of device use has been strengthened.
The inner side of the waterproof layer 19 is provided with a flame retardant layer 20, the flame retardant layer 20 is fixedly connected to the inner side of the cassette 1, the inner side of the double-head socket 5 is provided with a plug, and the plug is connected to the inner side of the double-head socket 5 in a sliding manner; both sides of the fuse 15 are provided with line overvoltage protection devices 16; the protection voltage of the line overvoltage protection device 16 is calculated according to the following formula:
FI＝Fi(alz-b)XLbXtb/Xcr
wherein, FIIndicating the protection voltage, F, of the line overvoltage protection device 16iI voltage values, a, representing the socket circuitlzIndicates the number of plugs of the double-ended socket 5, b indicates the number of unused plugs of the double-ended socket 5, XLbRepresenting the mean value of the voltage fluctuation, XtbRepresenting the maximum difference in voltage at time t, XcrRepresents a voltage reference value; by calculating the protection voltage of the line overvoltage protection device 16, when the circuit is in overvoltage, corresponding voltage drop is provided for an overvoltage part according to the calculated result so that the voltage is stabilized within a rated range; the line overvoltage protection device 16 provides voltage limiting protection when the circuit is in overvoltage, and is combined with current protection of the fuse, so that the socket circuit can be protected in multiple ways.
The water barrier layer 19 is arranged between the flame retardant layer 20 and the cassette 1, and the water barrier layer 19 and the flame retardant layer 20 have the same extension length in the horizontal direction and the vertical direction of the plane; the inner diameter of the heat dissipation hole 4 is smaller than the extension length of the waterproof layer 19; the flame retardant layer 20 further comprises: the insulation protection alarm device is used for carrying out insulation protection alarm prompt while flame retarding; the insulation protection alarm device includes:
a contact point interface temperature measuring unit for measuring a contact point interface temperature;
the measurement signal conversion unit is used for converting the temperature change of the contact point interface into the change of an electric signal;
the data processing control unit is used for receiving the electric signal converted by the measurement signal conversion unit, performing operation processing, calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor according to the measured contact point interface temperature value, and judging the insulation performance of the flame-retardant layer through the insulation resistivity of the flame-retardant layer under the temperature influence factor;
and (3) calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor, wherein the formula is as follows:
Figure BDA0003172426520000111
wherein, delta is the insulation resistivity of the flame-retardant layer under the temperature influence factor, W is the breakdown voltage of the flame-retardant layer, and alpha0Represents the heat of the flame-retardant layer at 0 degree centigradeCoefficient of conductivity, μ represents temperature coefficient of resistivity, ω0Denotes the coefficient of thermal conductivity, CiRepresenting the maximum temperature value of the interface of the contact points, C1The first contact temperature value of the conductor contact point interface is represented, and when the insulation resistivity of the flame-retardant layer under the temperature influence factor is not larger than the set resistivity, the control unit sends out a resistivity abnormal control signal to trigger the alarm unit to give an insulation abnormal alarm prompt;
the abnormal alarm unit is used for receiving the alarm trigger signal of the data processing control unit and carrying out alarm prompt; the flame-retardant cable can be subjected to temperature matching adjustment and flame-retardant thickness matching and gap filling according to temperature expansion and contraction at different temperatures, and can meet the set insulating property requirement;
the thickness of the flame-retardant layer 20 at different temperatures can be adjusted, so that the flame-retardant layer can be subjected to temperature matching adjustment and matched with flame-retardant thickness and gaps can be filled according to temperature expansion and contraction at different temperatures, and the set insulation performance requirement can be met;
and the thickness of the flame-retardant layer 20 at different temperatures can be adjusted, so that the flame-retardant layer can be adjusted in temperature matching and matched with the flame-retardant thickness and fill gaps according to temperature expansion and contraction at different temperatures, and meanwhile, the set insulation performance requirement can be met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A socket with automatic circuit-breaking function, comprising a cassette (1) and a connecting block (12), characterized in that: one side of the cassette (1) is provided with a frame (2), the inner side of the frame (2) is provided with a panel (3), the inner side of the panel (3) is provided with a double-head socket (5) and a three-head socket (6), and the double-head socket (5) is arranged above the three-head socket (6).
2. The socket with automatic circuit-breaking function according to claim 1, wherein: the outer side of the cassette (1) is provided with heat dissipation holes (4), the outer side of the cassette (1) is fixedly connected with a mounting rack (7), and an embedded mounting steel frame (8) is arranged between the panel (3) and the mounting rack (7).
3. The socket with automatic circuit-breaking function according to claim 2, wherein: the outside block of mounting bracket (7) is connected with frame (2), the inboard of inlaying installation steelframe (8) is provided with mounting hole (9).
4. A socket with an automatic circuit-breaking function according to claim 3, wherein: connecting block (12) sliding connection is in the inboard of mounting groove (14), connecting block (12) set up in one side of fuse (15).
5. The socket with automatic circuit-breaking function according to claim 4, wherein: the two sides of the cassette (1) are uniformly provided with four radiating holes (4), and the number of the radiating holes (4) is four.
6. The socket with automatic circuit-breaking function according to claim 5, wherein: the magazine (1) is arranged inside the wall body, and the mounting rack (7) is fixedly connected to the outer side of the wall body through screws.
7. The socket with automatic circuit-breaking function according to claim 6, wherein: both sides of the cassette (1) are provided with water-resisting layers (19), and the water-resisting layers (19) are arranged on the inner sides of the radiating holes (4).
8. The socket with automatic circuit-breaking function according to claim 7, wherein: the inner side of the cassette (1) is provided with a conductive clamping plate (10), the conductive clamping plate (10) is arranged on the inner side of the double-end socket (5), the other side of the conductive clamping plate (10) is provided with a rectangular pressure head (11), the other side of the rectangular pressure head (11) is fixedly connected with a connecting block (12), two sides of the rectangular pressure head (11) are fixedly connected with springs (13), the other end of each spring (13) is fixedly connected to the outer side of a mounting groove (14), the other end of each connecting block (12) is arranged on the inner side of the mounting groove (14), the inner side of each mounting groove (14) is provided with a fuse (15), two sides of each fuse (15) are respectively provided with a line overvoltage protection device (16), the other end of each line overvoltage protection device (16) is fixedly connected to one side of a wiring board (17), and the other side of the wiring board (17) is fixedly connected with a wire outlet (18), the other end of the outlet (18) is arranged on the outer side of the cassette (1).
9. The socket with automatic circuit breaking function according to claim 8, wherein: the method comprises the following steps: the inner side of the waterproof layer (19) is provided with a flame-retardant layer (20), the flame-retardant layer (20) is fixedly connected to the inner side of the cassette (1), the inner side of the double-head socket (5) is provided with a plug, and the plug is connected to the inner side of the double-head socket (5) in a sliding manner;
line overvoltage protection devices (16) are arranged on two sides of the fuse (15), and when the circuit voltage is greater than the set protection voltage, the line overvoltage protection devices provide corresponding voltage drop to perform overvoltage protection on the circuit; calculating the protection voltage of the line overvoltage protection device (16) according to the following formula:
FI＝Fi(alz-b)XLbXtb/Xcr
wherein, FIIndicating the protective voltage of the line overvoltage protection (16), FiI voltage values, a, representing the socket circuitlzIndicates the number of plugs of the double-end socket (5), b indicates the number of unused plugs of the double-end socket (5), XLbRepresenting the mean value of the voltage fluctuation, XtbRepresenting the maximum difference in voltage at time t, XcrRepresents a voltage reference value; by calculating the protection voltage of the line overvoltage protection device (16), when the circuit is in overvoltage, corresponding voltage drop is provided for the overvoltage part according to the calculated result so that the voltage is stabilized within a rated range; a line overvoltage protection device (16) provides voltage limiting protection when the circuit is over-voltage.
10. The socket with automatic circuit-breaking function according to claim 9, wherein: the water-resisting layer (19) is arranged between the flame-retardant layer (20) and the cassette (1), and the extension lengths of the water-resisting layer (19) and the flame-retardant layer (20) in the horizontal direction and the vertical direction of the plane are equal; the inner diameter of the heat dissipation hole (4) is smaller than the extension length of the waterproof layer (19);
the flame retardant layer (20) further comprises: the insulation protection alarm device is used for carrying out insulation protection alarm prompt while flame retarding; the insulation protection alarm device includes:
a contact point interface temperature measuring unit for measuring a contact point interface temperature;
the measurement signal conversion unit is used for converting the temperature change of the contact point interface into the change of an electric signal;
the data processing control unit is used for receiving the electric signal converted by the measurement signal conversion unit, performing operation processing, calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor according to the measured contact point interface temperature value, and judging the insulation performance of the flame-retardant layer through the insulation resistivity of the flame-retardant layer under the temperature influence factor;
and (3) calculating the insulation resistivity of the flame-retardant layer under the temperature influence factor, wherein the formula is as follows:
Figure FDA0003172426510000031
wherein, delta is the insulation resistivity of the flame-retardant layer under the temperature influence factor, W is the breakdown voltage of the flame-retardant layer, and alpha0Denotes the thermal conductivity value of the flame-retardant layer at 0 degrees Celsius, mu denotes the temperature coefficient of the resistivity, omega0Denotes the coefficient of thermal conductivity, CiRepresenting the maximum temperature value of the interface of the contact points, C1The first contact temperature value of the conductor contact point interface is represented, and when the insulation resistivity of the flame-retardant layer under the temperature influence factor is not larger than the set resistivity, the control unit sends out a resistivity abnormal control signal to trigger the alarm unit to give an insulation abnormal alarm prompt;
the abnormal alarm unit is used for receiving the alarm trigger signal of the data processing control unit and carrying out alarm prompt; the flame-retardant cable can be subjected to temperature matching, flame-retardant thickness adjustment and gap filling according to temperature expansion and contraction at different temperatures, and can meet the set insulating property requirement.
CN202110822828.5A 2021-07-21 2021-07-21 Socket with automatic circuit breaking function Withdrawn CN113555743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110822828.5A CN113555743A (en) 2021-07-21 2021-07-21 Socket with automatic circuit breaking function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110822828.5A CN113555743A (en) 2021-07-21 2021-07-21 Socket with automatic circuit breaking function

Publications (1)

Publication Number Publication Date
CN113555743A true CN113555743A (en) 2021-10-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110822828.5A Withdrawn CN113555743A (en) 2021-07-21 2021-07-21 Socket with automatic circuit breaking function

Country Status (1)

Country Link
CN (1) CN113555743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116154522A (en) * 2023-02-22 2023-05-23 深圳市凯格玛电器实业有限公司 On-line self-checking type intelligent leakage protection socket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116154522A (en) * 2023-02-22 2023-05-23 深圳市凯格玛电器实业有限公司 On-line self-checking type intelligent leakage protection socket

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Application publication date: 20211026