Electromagnetism adapter
Technical field
The present invention relates to connector technique field, and in particular to a kind of electromagnetism adapter.
Background technology
The data wire of the digital products such as existing mobile phone, panel computer usually line main body is connected into two end connectors
Can not be split monolithic construction.When once occurring the unexpected scratching to data wire in use, often the equipment of connection is pulled
Fall, cause the damage of equipment.And connect every time or disconnection is required for inserting or pull out plug, it is loaded down with trivial details to use comparing,
Frequent plug can loosen interface, aging, cause the damage of data wire, and this damage is difficult to repair more, can only change
Social resources are also resulted in greatly waste by data wire.And data-interface be tool it is directive, in many cases interface be
Equipment rear etc. is both needed to that good position could be inserted not in visual range, every time, it is easy to cause to misplug, undue force can also
USB interface or equipment are damaged, uses very inconvenient, especially used in driving conditions.
For disadvantages mentioned above, a kind of magnetic plug is occurred in that in the prior art, this plug need to only be connect using magnetic-adsorption
The connection that conjunction can be achieved with to equipment, it is not necessary to dial and insert, it is to avoid the damage of socket, but but generate other problem:1、
Because magnet contact area is small, so absorption strength is not enough, touching sometimes to fall out, if using setting under the situation of connection
It is standby, magnetic plug will be made without notice to drop in moving process, connection disconnects;2nd, magnetic plug uses permanent magnetism material
Material, easy adsorbing contaminant, causes to use hidden danger in daily life.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of electromagnetism adapter.
An embodiment provides a kind of electromagnetism adapter, including connecting portion, body and switching part, the company
Socket part is electrically connected with the switching part by the body, and the connecting portion is used in the first equipment interface of insertion, described turn
Socket part is used to be connected with the second equipment interface being inserted into, wherein, the body is including magnetic change-over circuit and described second sets
The first end face of standby interface includes the first magnetic regions.
In one embodiment of the invention, it is additionally provided with magnetic change-over switch on the body.
In one embodiment of the invention, if first equipment interface provides direct current, the magnetic change-over circuit
Including the magnetic change-over switch (K1) and electromagnet (U3), the magnetic change-over switch is electrically connected (K1) to the connection
First metal dots and the electromagnet (U3) in portion.
In one embodiment of the invention, if first equipment interface provides alternating current, the magnetic change-over circuit
Including transformer (U1), bridge rectifier, the first filter capacitor (C1), the second filter capacitor (C2), the 3rd filter capacitor
(C3), the 4th filter capacitor (C4), Voltage stabilizing module (U2), magnetic control switch (K1) and electromagnet (U3);Wherein,
The transformer (U1) is electrically connected to the first metal dots of the connecting portion;The input of the bridge rectifier
It is electrically connected to the transformer (U1) and its output end is electrically connected to the first end and the electromagnet of the Voltage stabilizing module (U2)
(U3) the second end;First filter capacitor (C1), second filter capacitor (C2), the 3rd filter capacitor (C3) point
It is not connected between the output end of the bridge rectifier (D1);Second end of the Voltage stabilizing module (U2) is electrically connected to described
The first end of electromagnet (U3) and the 3rd end switch (K1) is electrically connected to the electromagnet (U3) the by the magnetic control
Two ends;4th filter capacitor (C4) be electrically connected to both ends of to the 3rd end of the Voltage stabilizing module (U2) and the second end it
Between.
In one embodiment of the invention, the electromagnet (U3) is arranged at the second end face position of the switching part
To form the second magnetic regions in the second end face.
In one embodiment of the invention, the electromagnet (U3) includes the first electromagnet and the second electromagnet, described
First electromagnet and second electromagnet are respectively arranged at the opposite sides position of the second end face.
In one embodiment of the invention, the electromagnet (U3) includes soft magnetic materials inner core and conductive coil, described
Conductive coil is electrically connected to the first metal dots of the connecting portion and is defined at corresponding power line and ground wire according to interface.
In one embodiment of the invention, heart yearn, the second end face of the switching part are also included in the body
On be provided with the first hard contact of electrical connection corresponding with the heart yearn, the connecting portion is provided be electrically connected corresponding with the heart yearn
The second hard contact for connecing.
In one embodiment of the invention, the number of contacts of first hard contact and second hard contact is to connect
Mouth defines the twice of number of terminals, and first hard contact and second hard contact are in two row's symmetric arrays, first row
It is in permutation with positive order according to interface definition, second row is defined according to interface and arranged in inverted order.
In one embodiment of the invention, the 3rd end face of the connecting portion includes the 3rd magnetic regions, described first
The 4th magnetic regions are provided with equipment interface, the 3rd magnetic regions are different each other with the magnetic of the 4th magnetic regions
Property.
The embodiment of the present invention, sets electromagnetic switching circuit, in switching part end by the body of electromagnetism adapter
Magnetic regions are formed, because the area of the end face is big compared with the interface end face of mobile phone, panel computer etc., and using the opposite sex of magnetic
The principle that the attracting, same sex is repelled each other realizes anti-loosening effect between connector, while convenient plug is transferred to from adapter.
Brief description of the drawings
Fig. 1 is a kind of schematic cross-section of electromagnetism adapter provided in an embodiment of the present invention;
Fig. 2 is a kind of schematic cross-section of direct solenoid adapter provided in an embodiment of the present invention;
Fig. 3 is the structural representation of another electromagnetism adapter provided in an embodiment of the present invention;
Fig. 3 is a kind of structural representation of magnetic change-over circuit provided in an embodiment of the present invention;
Fig. 4 is a kind of circuit diagram of magnetic change-over circuit provided in an embodiment of the present invention;
Fig. 5 is the circuit diagram of another magnetic change-over circuit provided in an embodiment of the present invention.
Specific embodiment
Further detailed description is done to the present invention with reference to specific embodiment, but embodiments of the present invention are not limited to
This.
Fig. 1 is referred to, Fig. 1 is a kind of schematic cross-section of electromagnetism adapter provided in an embodiment of the present invention.The electromagnetism turns
Joint 10 both can be the adapter being plugged on exchange electric mortiser disk, the small K Mini of such as millet company, the generations of small K 2, also may be used
To be the adapter for being plugged on the mobile devices such as mobile phone or notebook computer, such as Micro-USB converting interfaces, USB
Lightning converting interface of 3.1Type-C or iPhone and iPad etc..Specifically, the electromagnetism adapter 10 includes connecting portion 11, body
13 and switching part 15, the connecting portion 11 is electrically connected with the switching part 15 by the body 13, and the connecting portion 11 is used
In the first equipment interface 20 is inserted, the switching part 15 is used to be connected with the second equipment interface 30 being inserted into, wherein, it is described
Body 13 includes magnetic change-over circuit and the first end face 31 of second equipment interface 30 includes the first magnetic regions.
Wherein, magnetic change-over switch K1 is additionally provided with the body 13.The switch is preferably inductive switch.The electromagnetism
Sentence the second magnetic is formed in the second end face 151 in the position of second end face 151 that body (U3) is arranged at the switching part 15
Region.First magnetic regions and the second magnetic regions realize that suction and row pull out and non-magnetic effect by solenoid tumbler K1
Really.
Fig. 2 is referred to, Fig. 2 is a kind of schematic cross-section of direct solenoid adapter provided in an embodiment of the present invention.It is described
Electromagnet U3 includes the first electromagnet U31 and the second electromagnet U32, the first electromagnet U31 and the second electromagnet U32
The opposite sides position that the second end face can be respectively arranged at sentences to form the second magnetic regions, with the first magnetic regions shape
Into attracting or repel each other or non-magnetic effect.
Fig. 3 is referred to, Fig. 3 is the structural representation of another electromagnetism adapter provided in an embodiment of the present invention.Described
Also include heart yearn (not shown) in body 13, electrical connection corresponding with the heart yearn is provided with the second end face of switching part 15
First hard contact, the second hard contact that the connecting portion 11 is provided with electrical connection corresponding with the heart yearn (does not show in figure
Go out).3rd end face of the connecting portion 11 can include the 3rd magnetic regions, can be provided with first equipment interface 20
4th magnetic regions, the 3rd magnetic regions are different in nature each other with the magnetic of the 4th magnetic regions.
In addition, for part electromagnetism adapter, the number of contacts of the first hard contact and the second hard contact is interface definition
The twice of number of terminals, and first hard contact and second hard contact are in two row's symmetric arrays, first row is according to connecing
Mouth definition is in permutation with positive order, and second row is defined according to interface and arranged in inverted order.For example:
1234 4321
4321 1234
Socket can be made to realize arbitrary just slotting or anti-plug using said structure, using more convenient.
The embodiment of the present invention possesses following advantage:
1st, apparatus connecting unit point can for a long time be remained connected to the digital product such as mobile phone, panel computer, without frequent plug, together
When reduce dust access arrangement, equipment is shielded.
When the 2nd, needing connection, switching part and data line interface are docked, by magnetic, there is a natural attraction between the sexes makes two portions
Point stabilization docking, and easily separate by applying certain opposite force, it is to avoid the damage to data wire and electronic product interface.
3rd, the docking between equipment switching part and data line interface is capable of achieving arbitrary just slotting and anti-plug, using more square
Just.
4th, can be closed by switching control as the generation device of magnetic using electromagnet, magnetic is not produced usually, therefore
In daily life will not adsorbing contaminant, without using hidden danger.
Embodiment two
Fig. 4 is referred to, Fig. 4 is a kind of circuit diagram of magnetic change-over circuit provided in an embodiment of the present invention.The electromagnetism
Adapter can be used between DC interface.The circuit includes the magnetic change-over switch (K1) and electromagnet (U3), the magnetic
Property change-over switch be electrically connected (K1) to the connecting portion the first metal dots and the electromagnet (U3).Magnetic size according to
Practical application scene, is completed in production by adjusting the number of turn of coil.
Fig. 5 is referred to, Fig. 5 is the circuit diagram of another magnetic change-over circuit provided in an embodiment of the present invention.The electricity
Magnetic adapter can be used between exchange interface.The circuit can include transformer (U1), bridge rectifier, the first filtered electrical
Hold (C1), the second filter capacitor (C2), the 3rd filter capacitor (C3), the 4th filter capacitor (C4), Voltage stabilizing module (U2), magnetic control
System switch (K1) and electromagnet (U3);Wherein,
The transformer (U1) is electrically connected to the first metal dots of the connecting portion;The input of the bridge rectifier
It is electrically connected to the transformer (U1) and its output end is electrically connected to the first end and the electromagnet of the Voltage stabilizing module (U2)
(U3) the second end;First filter capacitor (C1), second filter capacitor (C2), the 3rd filter capacitor (C3) point
It is not connected between the output end of the bridge rectifier;Second end of the Voltage stabilizing module (U2) is electrically connected to the electromagnetism
The first end of body (U3) and the 3rd end switch the second end that (K1) is electrically connected to the electromagnet (U3) by the magnetic control;
4th filter capacitor (C4) is electrically connected to both ends of between the 3rd end and the second end of the Voltage stabilizing module (U2).
Specifically, the circuit includes transformer U1, bridge rectifier (D1, D2, D3, D4 constitute), filter capacitor (C1,
C2, C3, C4), Voltage stabilizing module U2, divider resistance (R1, R2), current-limiting resistance R3, metal-oxide-semiconductor M1 switch K1, electromagnet U3.
Bridge rectifier carries out rectification using the one-way conduction of diode, and alternating current is changed into direct current.Including
The positive pole and negative pole of diode D1, D2, D3, D4, wherein diode D1 are respectively connected to the negative pole of D3 and the negative pole of D4, diode D2
Positive pole and negative pole be respectively connected to the positive pole of D4 and the positive pole of D3, the positive pole and negative pole of diode D3 be respectively connected to D2 negative pole and
The negative pole of D1, the positive pole and negative pole of diode D4 are respectively connected to the positive pole of D2 and the positive pole of D1.
Filter capacitor C1, C2, C3 are used for filtering the alternating component that bridge rectifier exports DC voltage, make the straight of output
Stream is smoother.First end of C1, C2, C3 is connected to the output cathode of bridge rectifier, and second end of C1, C2, C3 is connected to bridge-type
The output negative pole of rectification circuit.
Voltage stabilizing module is used for stabilization output DC voltage, and the first end is connected to the output cathode of bridge rectifier, the second end
The first end of filter capacitor C4 is connected to, the 3rd end is connected to the output negative pole of bridge rectifier.(can select the voltage stabilizing collection of 78 series
Into circuit).
Filter capacitor C4 is used to filter the alternating component that Voltage stabilizing module exports DC voltage, and the first end is connected to Voltage stabilizing module
Output cathode, the second end is connected to the output negative pole of bridge rectifier.
Divider resistance R1, R2 are used to provide Dc bias for the conducting of metal-oxide-semiconductor M1, and first end of R1 is connected to Voltage stabilizing module
Output cathode, the second end is connected to the first end of R2, and second end of R2 is connected to the output negative pole of bridge rectifier.R1 is adjustable electric
Resistance device, the size for adjusting metal-oxide-semiconductor M1 bias voltages.
Metal-oxide-semiconductor M1 is used for the electric current for controlling to flow through electromagnet U3, second end of its grid with resistance R1 and the first end of R2
It is connected, source electrode is connected to the first end of resistance R3, drain electrode is connected to J2, J3 end of switch K1.Therefore, the electromagnetism converting interface can be with
Magnetic size is set.
Resistance R3 is current-limiting resistance, and the electric current for preventing from flowing through electromagnet and metal-oxide-semiconductor is excessive and damage device, and its first end connects
The source of metal-oxide-semiconductor M1 is connected to, the second end is connected to the output negative pole of Voltage stabilizing module.
Double-point double-throw switch K1 is used to change the sense of current for flowing through electromagnet U3, that is, change the polarity of electromagnet U3, its
Middle J1, J4 contact portion to Voltage stabilizing module output cathode, the colelctor electrode of J2, J3 contact portion to metal-oxide-semiconductor M1.When switch is connected
During to J1, J3 contact, electric current flows through electromagnet from top to bottom;When switch is connected to J2, J4 contact, electric current flows through from bottom to top
Electromagnet;So as to change the polarity of electromagnet.
The present embodiment, realizes flowing through the regulation of the adjustment of the sense of current of electromagnet by magnetic change-over circuit, is electromagnetism
Converting interface provides the function of magnetic conversion, is convenient to the plug of user, and can apply between direct current connector, it is also possible to should
For exchanging between connector.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should be all considered as belonging to of the invention
Protection domain.