Summary of the invention
Purpose of the present invention just provides a kind of magnetic electric connector, to overcome the deficiency that existing electric connector exists, improves the fail safe and the convenience that use.
The present invention is achieved in that a kind of magnetic electric connector, comprises plug and socket;
Described socket is that alternating current electromagnetic relay and movable insulation board are housed in Socket casing, and movable insulation board is arranged on the front panel inboard of Socket casing, is provided with return mechanism on movable insulation board; The front panel of described Socket casing is provided with some socket contacts, described movable insulation board is provided with moving contact and at least two socket magnet of the equivalent relative with described socket contact position, and described moving contact is electrically connected with the binding post of described alternating current electromagnetic relay; On described movable insulation board, have jack hole, in wear magnetic patch, on the movable insulation board of jack hole one end, be fixed with control described alternating current electromagnetic relay get whether electric sensitive switch;
Described plug is that the front panel of plug casing is provided with some plug contacts, and the position of the described socket contact on described plug contacts and the described socket is relative one by one; In described plug casing, be fixed with and decide magnetic patch and at least two plug magnet, described position of deciding the described moving magnetic patch in magnetic patch and the described socket relatively and the pole polarity of opposite end identical, the position of the described socket magnet in described plug magnet and the described socket is relative and the pole polarity opposite end is opposite.
When hand-held plug when the socket, plug magnet that the position is relative and the mutual adhesive of socket magnet, plug and movable insulation board closely abut in the both sides of Socket casing front panel, make plug contacts, socket contact and moving contact three close-coupled together; And when movable insulation board is attracted to the Socket casing front panel, the magnetic patch of deciding in the plug relies on magnetic thrust to promote the moving magnetic patch of cross-under in movable insulation board jack hole, make it to press sensitive switch, the alternating current electromagnetic relay coil is got, the closing of contact, circuit turn-on, power can be transmitted on the plug contacts through socket contact by the moving contact on the movable insulation board, makes the electrical appliance that is connected with plug get electric work.When pulling up plug, on the one hand, the power supply of electrical appliance disconnects; On the other hand, movable insulation board in the socket is under the effect of return mechanism, leave the socket front panel, self-return, and this moment, the pressure on the sensitive switch disappeared, the sensitive switch action, the alternating current electromagnetic relay coil losing electricity, the contact of alternating current electromagnetic relay can disconnect the power on the socket voluntarily.
Design philosophy of the present invention is provided with adhesive magnet exactly respectively and repels magnetic patch on plug and socket, utilize the suction-combining force of adhesive magnet, make plug and socket realize and keep the close-coupled of face contact type, so that the plug contacts on the contact-making surface closely contacts with socket contact; The repulsive force of utilization repulsion magnetic patch removes the sensitive switch on the triggered activity insulation board, to connect alternating current electromagnetic relay, makes the power turn-on on socket and the plug.The setting of movable insulation board in the socket, be with the socket contact on the Socket casing front panel as a transition electrical pickoff, promptly this contact only when the adhesive plug conducting charged; Automatic dead electricity when plug is pulled up realizes the basic electricity safety of electric connector of the present invention with this.
And the use of alternating current electromagnetic relay among the present invention, and trigger sensitive switch and the mode of operation of conducting then is the safety assurance of electric connector of the present invention by moving magnetic patch.Because if simple employing activity insulation board structure or trigger the words of sensitive switch by a fixed contact in electric connector, so, when ferromagnetic object clings on the socket panel, can make the socket of simple movable insulation board structure make socket contact charged because of movable insulation board is adsorbed, can make the socket that adopts fixed contact to trigger structure because of the adhesive displacement of movable insulation board but not normally touch sensitive switch, the coil of alternating current electromagnetic relay is got, the socket contact conducting is charged, and both of these case all can cause the generation of fortuitous events such as getting an electric shock.So have only the structure of the present invention of employing just can thoroughly solve the potential safety hazard that may exist, the Electrical Safety performance of this electric connector reliably guaranteed.Key of the present invention just is this.
Described return mechanism is return spring or return reed.Utilize the elastic force of return spring or return reed, pull up at plug, after magnetic attraction disappears, movable insulation board can be stirred return, make it to be separated from each other with the socket front panel.
Described return mechanism be the front panel that is separately positioned on described Socket casing with described movable insulation board on, than described socket magnet or some groups of little magnetic patch of described plug magnetic field of magnets intensity, the position of every group of magnetic patch relatively and the pole polarity of opposite end identical.After eliminate in the adhesive magnetic field between plug magnet and socket magnet, utilize the repulsive force of same polarity magnetic patch, movable insulation board can be promoted return.
Described return mechanism can also be the iron plate that is fixed in the described Socket casing, and an end of the described socket magnet that is provided with on the described movable insulation board is relative with iron plate.After eliminated in the adhesive magnetic field of plug magnet and socket magnet, the iron plate of fixing in the socket magnet on the movable insulation board and the socket was inhaled mutually, can be with movable insulation board adhesive return.
The front end of described plug magnet is pegged graft in the blind hole of the front panel inboard that is fixed on described plug casing, can improve the water resistance of this electric connector like this.
Be in series with thermistor on the guide line connecing of described plug contacts.In case electrical appliance in use is short-circuited, the thermistor action gets final product rapid deenergization, takes place to prevent bigger security incident.
Be provided with the described alternating current electromagnetic relay of control and get whether electric soft-touch control on described Socket casing, described soft-touch control and described sensitive switch are the ganged switch structure.Can keep only by pushing soft-touch control, can disconnecting the alternating current electromagnetic relay circuit in the socket under the state of adhesive at plug and socket like this, socket and plug are cut off the power supply automatically.Soft-touch control and sensitive switch adopt the ganged switch structure, just can be after power supply interrupts and restores electricity once more, can make alternating current electromagnetic relay get electric adhesive by pushing soft-touch control, thereby recover the power supply power supply of socket, keep the attracting state of plug and socket constant with this, the surge impact electric current that the moment of avoiding simultaneously restoring electricity occurs is to infringement that electrical appliance caused.
Described socket magnet on the described movable insulation board the polarity difference is set, promptly the N utmost point and the S utmost point are arranged in the shown polarity of movable each socket magnet of insulation board one side.Can make like this plug only with situation that the contact position that sets is consistent under could connect with the socket adhesive.When if the hand-held contact position of plug and the contact position that sets are inequality, the situation that magnet repels each other will appear, thereby effect by magnetic thrust, can repel the non-correct butt joint of manpower of plug first voluntarily, second the attracted position of plug can be adjusted on the correct desired location voluntarily.This measure can guarantee that heterogeneous plug docks with the correct of supply socket, form the plug join operation mode of a kind of " foolproof ", both make things convenient for blind person, old man and child's use, also avoided the appearance of situations such as error-polarity connection or zero line misconnection, guaranteed the safe in utilization of operating personnel and electrical appliance.
The speech chip integrated circuit is housed in described Socket casing, and the speech chip integrated circuit is electrically connected with described sensitive switch.In the adhesive moment of plug and socket, the sensitive switch action, the alternating current electromagnetic relay adhesive, plug and electrical appliance get electric, and at this moment, the speech chip integrated circuit can send the voice suggestion of " power supply on " and so on.
The speech chip integrated circuit is housed in described Socket casing, and the speech chip integrated circuit is electrically connected with described soft-touch control.After pressing soft-touch control, alternating current electromagnetic relay or disconnection socket power, or logical again socket power, the speech chip integrated circuit according to circumstances sends the voice suggestion of relevant " power supply disconnects " or " power supply on " and so on.
The present invention can realize the connection of " foolproof " plugs and sockets, need not watch jack operation, need not be accurately to bit manipulation, and the use inconvenience that does not have the tension plug to be caused.The present invention not only manipulates safety, and, impact the electrical appliance damage that is caused because of surge current in the time of can avoiding service restoration.The atresia socket panel, water-tight, do not seep water, have good water resistance, thereby be particularly suitable in the open environment down or in the occasion of submersible, use, security performance significantly improves.
Embodiment
As shown in Figure 1, plug and socket two parts have been the present invention includes.Wherein, described socket part has a Socket casing 4 of insulation, is provided with two, the socket contact 1 of three or more according to jack type on the front panel of Socket casing 4, forms the supply socket that two-phase does not have zero line, diphasic zone zero line or three-phase.Near in the Socket casing 4 of front panel movable insulation board 3 is being housed, movable insulation board 3 is provided with the moving contact 2 of the equivalent relative one by one with the position of socket contact 1, and (quantity of socket magnet can have increase to be provided with two socket magnet 10, and be symmetrically distributed to good to be), two socket magnet 10 that polarity is set is opposite.Alternating current electromagnetic relay 6 also is housed in Socket casing 4, and the moving contact 2 on the described movable insulation board 3 is electrically connected with binding post on the alternating current electromagnetic relay 6 respectively.Centre at described movable insulation board 3 also has jack hole 8, and cross-under has magnetic patch 11 in jack hole 8, and the front end of moving magnetic patch 11 places the blind hole (perhaps supporting on the collar) on Socket casing 4 front panels, to play the front end supporting role.On the plate face of the movable insulation board 3 of the right output port periphery of described jack hole 8, be fixed with sensitive switch 7, sensitive switch to press end relative with moving magnetic patch 11 with jack hole 8.On Socket casing 4, be provided with soft-touch control 5, soft-touch control 5 and 4 airtight connections of Socket casing, can there be the sealing overlay film on the surface.Soft-touch control 5 is electrically connected with alternating current electromagnetic relay 6 respectively with sensitive switch 7, and the two is the ganged switch structure.
Commercially available speech chip integrated circuit is housed in described Socket casing 4, and the speech chip integrated circuit is electrically connected with sensitive switch 7 and/or soft-touch control 5.The speech chip integrated circuit can utilize button battery work, also can utilize the AC power driving work of access.
The return mechanism of the movable insulation board in the Socket casing 4 is the iron plate 9 that is fixed in the Socket casing 4, and the right-hand member of the socket magnet 10 that is provided with on the movable insulation board 3 is relative with iron plate 9, retracts the position after so just can making movable insulation board 3 by the adhesive with iron plate 9.
Described plug portion among the present invention is that the front panel of the plug casing 13 made by insulating material is provided with plug contacts 14, and the quantity of the socket contact 1 on plug contacts 14 and the socket is identical, and the position is relative one by one.Be provided with two plug magnet 12 in plug casing 13, the position of two socket magnet 10 in this two plugs magnet 12 and the socket is relative and the pole polarity opposite end is opposite, to form adhesive magnet, guarantees to dock with the accurate adhesive of socket.Plug magnet 12 is installed in the blind hole of front panel inboard of plug casing 13, also can be provided with to support the collar or auxiliary fixing member, plug magnet 12 is fixed on the front panel inboard of plug casing 13.Also fix one in the centre of plug casing 13 and decide magnetic patch 15, this position of deciding the moving magnetic patch 11 in magnetic patch and the described socket relatively and the pole polarity of opposite end identical, with the formation repulsion magnetic patch that repels each other, produce the motive force that promotes moving magnetic patch 11 actions.
In plug contacts 14, connect the thermistor of to connect on the guide line (should be live wire).
Faying face at plug and socket, for guaranteeing the accurate butt joint adhesive of the two, be preferably on the edge of socket and make a convex edge that conforms to shape with the size at plug edge, in addition, also can make some the special-shaped ligands or the spacing ligand of similar tongue-and-groove shape on the face of mutually combining, that can realize plug and socket thus accurately docks adhesive.