CN1862891A - Safety plug and socket - Google Patents

Abstract

The safe pin and the jack have the trait such as the working trustiness, the long life and the avoiding of the electric shocking. The pin has the curve electricity leading metal, the curve electricity leading metal pressingly contacts the curving thread electricity leading slot or the electricity leading metal through the curving thread isolating slot defending from the insert of the finger, the metal and the water. The non curving thread electricity leading metal sheet of the pin is combined with the two metal sheets having the inequable heat swelling modulus, when the temperature of the jack rise, the metal with the high swelling modulus bends to increase the touching resistance between the pin and the metal sheet of the jack, it can reduce the contacting resistance and the temperature of the contacting part. So it can prolong the life of the pin and the jack.

Description

A kind of safety plug, socket

The present invention relates on the electrical equipment or wireless device in the daily life, be used for plug, socket that the signal of telecommunication or power supply are connected or separated.

The plug of the power connection of electrical equipment or separation, socket in the known daily life have the following disadvantages: 1, socket aperture is that non-shaped form hole slot is the linear hole slot, though the orifice diameter of hole slot is less, conducting metal can insert easily and cause electric shock accidents; 2, on the bigger plug of electric current, socket, because of the hole slot on the socket is bigger, in the easy patchhole of children's pinkie and get an electric shock; 3, the curved contact of conductive metal sheet right and wrong on the conducting metal hole in the socket aperture and the socket, its contact resistance is bigger, is not suitable for the plug of big electric current, the use of socket, replaces being used at present being switched on or switched off the knife switch of power supply; 4, because plug is that non-shaped form contacts with conducting metal on the socket, and the effective length of contact is short, thereby contact pressure is little, contact resistance on plug and the socket between conducting metal is big and generate heat, and causes the elastic sheet metal elasticity variation on the socket, and increases with the contact resistance of conducting metal on the plug, the contact position produces high temperature, the lighter makes appliance cut-off, and weight person's socket is on fire, and the accident of burning of electrical equipment electric wire and casualties is taken place; 5, be installed in bathroom, toilet, cause electric shock accidents because of the injection of water flows in the socket aperture with electrically contacting when having a bath; 6, electrically contacting between plug on television set, video disc player, the mobile phone etc. and the conducting metal on the socket, the curved contact of the right and wrong of employing, thereby contact-making surface is little, and contact force is little, and there is resistance the contact position, is being subjected to the easy loose contact of high vibration; 7, the extension silk bulb of big electric current contact with conducting metal on the lamp socket, and is big because of the bulb electric current, caloric value is big, especially easily makes the spring in the lamp socket be heated and follow the string in summer, causes the bulb outage not work or lamp socket is aging, leak electricity, burn; 8, non-shaped form hole slot electrically contacts on the conducting metal on the various shot-lights of low-voltage and high-current and the socket lamp socket, and to contact effective area less, certain contact resistance is arranged, the bulb high heat width of cloth is penetrated, making conducting metal on the lamp holder (being plug) and socket is that conducting metal hole slot or contact resistance on the lamp socket increases, the increase of contact resistance, temperature rises again, and vicious circle is gone down like this, finally cause lamp not work or power supply on fire.

Purpose of the present invention is exactly the deficiency and the problem that will solve above-mentioned existence, guarantee personal safety, guarantee the operate as normal of electrical appliance and electronic instrument, television set etc., development along with space program, a large amount of uses of battlebuses such as tank, be badly in need of a kind of not only safety, but also antivibration, contact resistance is little, protection against the tide, the plug of waterproof, socket.

Purpose of the present invention is exactly that safer that people-oriented will be provided, and the more reliable a kind of safety plug of working, socket enlarge the scope of application of plugs and sockets, and effectively prevents in conducting metal, people's finger and the charged hole slot that water enters socket and get an electric shock.

The present invention finishes like this: be provided with a curved conducting metal on plug at least, at least be provided with the shaped form insulation hole slot of a protection against electric shock on socket, the shaped form insulation hole slot of the shaped form conducting metal on the plug on socket inserts conducting metal in back and the socket and presses and electrically contact.Shaped form conducting metal shape on the plug includes: the arc conducting metal, crooked shape conducting metal, useful two kinds of conductive coefficients are the conductive metal sheet that the different metal material of thermal coefficient of expansion is combined on the plug, wherein, a kind of is the shaped form shape, and another kind is non-shaped form shape; The contacting of conductive metal sheet or hole slot in this conductive metal sheet and the socket because of contact resistance generates heat, makes this conducting metal bending tablet and contacts with tightr the pressing of conducting metal on the socket, reduces contact resistance, finally causes temperature to descend.Conducting metal on blind plug becomes several shapes of tilted shape, and the arc of its arc conducting metal is the shape of one section arc on the annulus.And crooked shape conducting metal is to make with a kind of material with elasticity or gentle shape, as materials such as phosphorus bronze sheet, this bending shape conducting metal can be curved insulation hole slot with crooked shape jack on the insulating base and the plug upper curve shape conductive metal sheet hole slot that contacts that matches, this shaped form hole slot is arranged on the socket, promptly be arranged at first with plug on the contacted socket of shaped form conducting metal on hole slot import department, this shaped form insulation hole slot effectively prevents people's finger and even child's little hand, non-curved voltage test pencil, metal object, lead, contact with conduction hole slot or conductive metal sheet in the socket by this hole slot, when also effectively preventing to have a bath, the water spray of shower, shaped form hole slot by insulation, cause electric water short circuit, electric shock accidents, simultaneously guarantee that also the shaped form socket aperture of definite shape and curved plug use in pairs, other non-our factory product, just can't use with the different plug of the shaped form of this socket, make it safer, more professional, more reliable.Its shaped form insulated hole groove shape includes: arc insulation hole slot, and crooked insulation hole slot, the insulation hole slot becomes to be obliquely installed several shapes with socket.Wherein a kind of shaped form insulation hole slot is connected with the shaped form hole slot of conduction, after making the shaped form hole slot of socket upper curve shape conductive metal sheet one end through insulation, could electrically contact with the shaped form hole slot of conduction, hole slot and electric wire by conduction is electrically connected then, wherein Jue Yuan shaped form hole slot is connected with the shaped form hole slot of conduction and forms the shaped form hole slot, and this shaped form hole slot is the same with the shaped form shape of plug upper curve shape conducting metal.Wherein, second kind of shaped form insulation hole slot communicates with conductive metal sheet on the socket, and promptly the shaped form sheet metal on the plug insulate behind the hole slot through shaped form earlier when inserting socket, again with socket in the conductive metal sheet electricity press and contact.Wherein, the third is the conductive metal sheet that apparatus is flexible or flexible material is made on plug, after inserting band shaped form insulation hole slot, and bending moves, entering the curved hole slot of conduction, pressing and contact with the shaped form hole slot of conduction, or after entering the shaped form hole slot of conduction, press with the sheet metal that conducts electricity in the socket and to contact, and external wire again with socket on the shaped form hole slot or the conductive metal sheet of conduction be electrically connected.Wherein, the 4th kind is that the shaped form conductive metal sheet made from elasticity or flexible material on the plug is when inserting socket, conduction shaped form hole slot in this shaped form conductive metal sheet and the socket presses contact mutually, be that shaped form hole slot on the socket is not provided with the curved hole slot that insulating material is made, because of this plug, socket mainly is used in television set, mobile phone, on the printed panel circuit in the electric equipments such as communication machine, there is not the electric shock problem, and adopt this kind shaped form hole slot, make the contact force of plug and socket bigger, contact resistance is littler, and the anti-judder of energy, especially be used in the operation military vehicle, guided missile, better effects if on the rocket, this kind plug, the cooperation of socket realizes the connection or the separation of the signal of telecommunication or power supply.Wherein, the 5th kind is that the filament on the bulb of the plug of band shaped form conductive metal sheet and heating is connected, then this bulb is inserted on the socket of band shaped form hole slot, realize being connected or separating of bulb and socket, especially the sheet metal made from elasticity or flexible material on the bulb can closely press with the conduction hole slot of bending in the socket and contact, its contact pressure is big, and contact area is big, has guaranteed the operate as normal of bulb.Secondly, near the insulation position on the plug, be covered with a joint insulating material in the shaped form metal surface on the plug.Wherein, the 6th kind is to be combined into conducting metal on the plug or the conducting metal on the socket with two kinds of different conducting metals of thermal coefficient of expansion, conducting metal electrically contacts on conducting metal on the plug and socket, the heat energy that utilizes electric current to produce by contact resistance, when contact resistance becomes big, the conducting metal heating, the metal that its coefficient of expansion is big at first is out of shape and bending, a kind of situation is to drive on the plug on the conducting metal and socket conducting metal more closely to press and contact and reduce contact resistance, finally causes temperature decline; Another kind of situation is that the conducting metal that drives on the plug separates with conducting metal on the socket, promptly disengages and cuts off the power supply, and effectively protects socket plug not damage, and electric equipment does not damage.

Positive effect of the present invention just is: only need the non-curved conducting metal on the existing plug is changed into curved conducting metal, the hole slot that SARS on the socket is linear changes curved insulation hole slot into, the finger that just can effectively prevent the people enters charged socket aperture, just can prevent any non-curved metal, and even the water of shower ejection when having a bath, enter in the socket, this has just fundamentally solved the problem of electric shock, electric leakage; Adopt curved conducting metal, curved hole slot had both satisfied the product utility function, realized the specialty pairing again and effectively prevented counterfeit and shoddy goods.Adopt the shaped form conducting metal, the conducting metal that adopts two kinds of different combinations of materials of thermal coefficient of expansion to become, solved plug effectively, the easy loose contact of socket, burn out switch, the accident of electrical equipment, and increase substantially plug, the current capacity of socket, hole slot on the socket is no longer resembled the present product in order to prevent that finger from inserting to get an electric shock and does very for a short time, make plug, the fatal shortcoming that the current capacity of socket is little, and realize powerful plug, socket replaces widely used dangerous, volume is big, cost is high, " knife switch " on the power supply will be to plug, socket exerts far reaching influence.

The present invention finishes by following examples:

Fig. 1 is a kind of plug figure of conductive metal sheet of arc;

Fig. 2 is matching used with Fig. 1, is provided with the socket figure of arc hole slot;

Fig. 3 is Fig. 1 plug when being inserted on the socket, the arc conducting metal on the plug through behind the hole slot of arc with socket on conductive metal sheet or the figure that contacts of conduction hole slot;

Fig. 4 is the vertical view of Fig. 1, and the conductive metal sheet of 3 arcs is arranged on the reflection plug;

Fig. 5 is the end view of Fig. 2, and the aperture of 3 corresponding arcuate guide hole slots is arranged on the reflection socket;

Fig. 6 be a kind of on the plug with elasticity or flexible material make can be with the diastrophic conducting metal plate shape of the crooked shape hole slot figure on the socket;

Fig. 7 is provided with crooked hole slot with the matching used socket of Fig. 6;

Fig. 8 is that the plug of Fig. 6 is inserted in the cooperation contact pattern on the socket of Fig. 7;

Fig. 9 is the figure that is combined into the arc conductive metal sheet on plug with two kinds of different conducting metals of thermal coefficient of expansion;

Figure 10 inserts behind the arc hole slot in the socket figure that contacts with conductive metal sheet in the socket with the arc conductive metal sheet among Fig. 9;

Figure 11 is that the jack on the socket is that non-shaped form hole slot is obliquely installed the figure on socket;

Figure 12 is the non-curved conductive metal sheet that is combined into two kinds of different conducting metals of thermal coefficient of expansion on plug;

Figure 13 is after the plug with Figure 12 is inserted on the socket, the figure that the conductive metal sheet on the plug contacts with conductive metal sheet on the socket;

Figure 14 is contacting with conductive metal sheet on the plug on the socket, with the conducting metal figure of two kinds of different combinations of materials of thermal coefficient of expansion;

Figure 15 is connecting flexible conductive metal sheet that bulb is connected with filament on this bulb and the crooked hole slot on the socket electrically contacts figure on the socket;

Figure 16 is the socket and plug upper curve shape conductive metal sheet or the flexible conductive metal sheet pressure hookup of the shaped form hole slot of the conduction on the printed panel circuit on radio or the electric equipment.

In Fig. 1 to Figure 16: 1,16 leads, 2, plug, 3, insulating material, 4, the arc conductive metal sheet, 5, socket, 6,12,13, hole slot import on the socket, 7, the insulation hole slot of arc is the hole slot of non-linear, 8, the conductive metal sheet of ground connection, 9,10, conductive metal sheet or conduction hole slot on the socket, 11, jack housing, 14, the conducting metal made from elasticity or flexible flexible metal material, 15,17, the arc hole slot or the conductive metal sheet of conduction, 19, conductive metal sheet with two kinds of different metallic combination cambers of thermal coefficient of expansion, 20, the metal that thermal coefficient of expansion is big, 21, the metal that thermal coefficient of expansion is little, 23, the linear conductive metal sheet of SARS that becomes with the different combinations of materials of two kinds of thermal coefficient of expansions, or can be with crooked hole slot crooked elasticity or the compliant conductive metal that moves, 22,24, the conductive metal sheet bending direction is heated, 25, bulb, 26, flexible mobile elastic conduction metal, 27, printed circuit board (PCB), 28, pad, 29, crooked conduction hole slot, 30, non-shaped form insulation hole slot, 31,32, with the conducting metal of two kinds of different materials compositions of thermal coefficient of expansion, 33, filament.

Relevant size in Fig. 1 to Figure 16 not strictness is drawn in proportion, explanation hereby.

Ask for an interview Fig. 1 to Fig. 3, external wire (1) is arranged on the plug in Fig. 1 (2), have with socket on the contacted a kind of shaped form conductive metal sheet of conducting metal be arc conductive metal sheet (4), on this arc conductive metal sheet, prevent the insulating barrier (3) that gets an electric shock near having in the insulated receptacle place.In Fig. 2, socket (5) is provided with the arc hole slot made from insulating material (7), the crooked arc of arc conductive metal sheet is the same on " arc " of this arc hole slot and the plug, so just can guarantee the arc hole slot of arc conductive metal sheet on socket the inserting gently on the plug, in like manner, when two arcs are different, just can not match use, just because of be provided with the hole slot of arc in the import department of charged socket, this just makes people's finger, the finger that comprises children can't become the shape that arcuate shape is one section arc of annulus, and finger just can't enter in the socket aperture and get an electric shock; The voltage test pencil of the metal of non-arc in like manner, and even non-curve can not enter the arc hole slot; Also can't enter the arc hole slot from the water for bathing of shower ejection, can work under any adverse circumstances and can not occur getting an electric shock with regard to this socket of further assurance, the electric leakage accident takes place.In Fig. 2, be provided with the arc hole slot (17) of conduction, this arc hole slot is connected with the arc hole slot (7) that insulating material is made and forms the arc hole slot, and the arc metal plate (9) of the arc hole slot (17) of conduction or conduction and the sheet metal (10) of the external connection (16) on the socket are electrically connected; It is that conductive metal sheet on the plug just can enter the arc hole slot through import (6) earlier that the arc hole slot made from insulating material (7) is connected with the import (6) on the socket (5).In Fig. 3, be that plug (2) with the band arc conductive metal sheet (4) among Fig. 1 is inserted in the arc hole slot (7) in the socket (5) of Fig. 2, arc conducting metal (4) and arc conduct electricity hole slot or sheet metal (9) and press the figure of contact mutually.

Please see Figure 4 to Fig. 5, this figure is vertical view, the end view among Fig. 1 and Fig. 2, illustrating has 3 conductive metal sheet (4), (8) that arc is the same on this plug, the same insulation hole slot of the arc of three correspondences and three imports (6), (12), (14) on the hole slot are arranged on the socket.

Ask for an interview Fig. 6 to Fig. 8, in Fig. 6, plug (2) is provided with can be with the crooked shape hole slot crooked conductive metal sheet (14) that moves, this conductive metal sheet is made with flexible or flexible material, as use flexible phosphorus bronze sheet, be provided with the insulating barrier (3) of protection against electric shock on conductive metal sheet, conductive metal sheet and external wire (1) are electrically connected.In Fig. 7, socket (5) is provided with that crooked what be connected with this insulation hole slot is crooked conduction hole slot or crooked conductive metal sheet (29), and the conductive metal sheet or the hole slot that conducts electricity are connected with external wire (16).In Fig. 8, be that crooked insulation hole slot is inserted in the import (6) of the flexible conductive metal sheet (14) among Fig. 6 on socket (5), and become to press closely with the conduction hole slot of bending or conductive metal sheet (9) and contact, make contact resistance very little, be particularly suitable for to the electrical connection on the high current load with separate.In like manner, the 3-phase plug connection among Fig. 6, Fig. 7 is the same with Fig. 4, Fig. 5 location drawing on plug, socket, so this figure is omited picture.

Ask for an interview Fig. 9, Figure 10, in Fig. 9, plug (2) is provided with two kinds of different conductive metal sheets of thermal coefficient of expansion (20,21) and is combined into arc conductive metal sheet (19), is coated with the insulating barrier (3) of protection against electric shock on the arc conductive metal sheet.In Figure 10, be after inserting Fig. 9 plug in the arc insulation hole slot (7) of socket (5) of Figure 10, conducting metal (9) presses and contacts on the little conductive metal sheet (21) of thermal coefficient of expansion on the arc conductive metal sheet (19) end and the socket, when the contact position because of load current is big or the work-yard temperature is higher or operational environment vibration when big, the contact resistance of the conductive metal sheet (9) on conductive metal sheet (19) and the socket is increased, heating, cause the crooked amplitude of the big conductive metal sheet of thermal coefficient of expansion (20) to increase, and the direction that promotes this arc conductive metal sheet (24) institute mark in figure moves, and promptly the direction of conductive metal sheet (9) moves.Thereby the contact pressure of two metals increases, contact resistance is descended, and the contact position temperature descends and guaranteed the long-term operate as normal of plug, socket.This has just solved on present plug, the socket contact separation at certain hour, or bigger load makes the life-span of plug, socket short down during work, and the problem that accident is many is solved at all; In like manner; when the conducting metal (9) of the big conducting metal of the thermal coefficient of expansion on the plug (20) end and socket when contacting; after temperature rise, the bending significantly of conductive metal sheet (20) is moved and the conducting metal contact point on plug and the socket is disconnected, and protects socket electrical equipment thereby realize cutting off the power supply.

Ask for an interview Figure 11, this figure is obliquely installed non-shaped form insulation hole slot (30) on socket (5), and adopting this kind method is to be placed under outdoor or rainwater, the moist operational environment in order to solve socket, prevents from that water from flowing in the socket aperture to cause electric leakage.

Ask for an interview Figure 12, Figure 13, in Figure 12, plug (2) is provided with the non-shaped form conductive metal sheet of forming with two kinds of different conductive metal sheets (20,21) of thermal coefficient of expansion (23), and insulating barrier (3) is arranged on the part surface of this sheet metal.In Figure 13, be that plug (2) inserts the non-shaped form hole slot (30) on the socket (5), going up the conductive metal sheet (9) that links to each other with outer conductor on the little conducting metal end (21) of thermal coefficient of expansion and the socket by conductive metal sheet (23) presses mutually and contacts, when contact position resistance increases, elevate the temperature, or operating ambient temperature raises, or load current increases, cause the big sheet metal of thermal coefficient of expansion (20) crooked radian big, and the contact pressure of contact position is increased, cause contact resistance to descend, temperature drops to stable work.Its effect has just solved present weak point of known plugs and sockets life-span, and the on-load ability is little, easily burn, even the problem of loose contact.

Ask for an interview Figure 14; socket (5) be provided with plug on the conductive metal sheet (31 that electrically contacts of conducting metal; 32); this conductive metal sheet is to combine with two kinds of different conductive metal sheets of thermal coefficient of expansion; adopt the different conductive metal sheet (20 of thermal coefficient of expansion on its action principle and Figure 12 plug; what 21) be combined into is the same; make conductive metal sheet and the conductive metal sheet on the socket on the plug can be automatically with working temperature; rising and increase the power that presses of contact; remove to reduce contact resistance; final reduce the operate as normal that working temperature guarantees socket, perhaps the contacting to cut off the power supply and protect socket of the conducting metal on disconnecting plug and the socket automatically; electrical equipment.

Ask for an interview Figure 15, this figure be conductive metal sheet (26) that bulb (25) and the bending deformed elastomeric material on the plug are made with socket (5) on the conduction hole slot of bending or conductive metal sheet (10) press mutually and contact, the resistance of this kind contact is little and the pressure contact position is big.

Ask for an interview Figure 16, this figure is at radio or mobile phone, locating socket (5) on the printed substrate on the electronic equipments such as television set (27), this socket is provided with the conduction hole slot of several bendings or conductive metal sheet (29) and plug (2) and goes up several flexible distortion on the opposite position and move and enter conductive metal sheet (14) in the socket hole slot and closely press and contact, its contact position resistance is very little, contact pressure is very big, make contact point work definitely reliable, can be widely used in battlebus, guided missile, rocket, and even between the circuit board on the satellite, connection between signal, the place of separation.Thereby the contact pressure that has solved between the non-shaped form conductive metal sheet of present usefulness and non-shaped form hole slot or conductive metal sheet is little, contact resistance is big, easily get rusty in the contact position, perhaps in same plug and socket, some conductive metal sheet contacts are good, and some contacts are bad, the contact point job insecurity, cause the drawback of equipment cisco unity malfunction.

By above example, finish purpose of the present invention smoothly.

Claims (10)

1, a kind of safety plug, socket, main composition has the non-shaped form conducting metal on the plug, non-shaped form jack and conducting metal on the socket, wherein non-shaped form conducting metal presses and contacts on the non-shaped form conducting metal on the plug and the socket, it is characterized in that: be provided with a shaped form or flexible conducting metal (4 on the plug (2) at least, 14,19,23), on socket, be provided with at least one anticreep, the shaped form insulation hole slot (7 that gets an electric shock, 15,30), shaped form conducting metal on the plug (2) and the conducting metal (9 on the socket, 10,17,29,31,32) press contact.

2, a kind of safety plug according to claim 1, socket is characterized in that: the conducting metal (4) of described plug (2) upper curve shape is a kind of arc conducting metal, the i.e. conducting metal of arcuate shape.

3, a kind of safety plug according to claim 1, socket, it is characterized in that: it is to make with elasticity or compliant conductive metal material that described plug (2) is gone up the curved conducting metal of flexible one-tenth (14), and this conducting metal can be crooked mobile with the distortion of the shaped form hole slot on the socket.

4, a kind of safety plug according to claim 1, socket, it is characterized in that: the flexible conducting metal (19,23) that is heated on the described plug (2) is to be combined into two kinds of different conductive metallic materials of thermal coefficient of expansion (20,21), and this conducting metal shape includes: shaped form shape, arcuate shape (4), curved shape (19), non-shaped form shape (23) several.

5, a kind of safety plug according to claim 1, socket, it is characterized in that: the shaped form hole slot on the described socket (5) is a kind of arc hole slot (7), the arc hole slot is that insulating material is made, conducting metal on the socket could electrically contact with the conducting metal on the socket after needing elder generation through socket upper curve shape hole slot (7).

6, a kind of safety plug according to claim 1, socket is characterized in that: the shaped form hole slot (15) on the described socket (5) is a kind of hole slot of bending, and this bending shape hole slot is made by exhausted material.

7, a kind of safety plug according to claim 1, socket is characterized in that: the shaped form hole slot on the described socket (5) is that a kind of non-shaped form hole slot (30) is obliquely installed on socket, and promptly this non-shaped form jack does not become vertical setting with receptacle cover plate.

8, a kind of safety plug according to claim 1, socket is characterized in that: the conducting metal (29) on the described socket (5) is curved conduction hole slot or conducting metal, and this shaped form comprises: crooked shape, camber line shape.

9, a kind of safety plug according to claim 1, socket, it is characterized in that: the conducting metal on the described socket (31,32) is to be combined into two kinds of different conducting metals of thermal coefficient of expansion (20,21), and the conducting metal on this conductive metal sheet and the plug electrically contacts.

10, a kind of safety plug according to claim 1, socket, it is characterized in that: (4,14,26) of the shaped form conducting metal on the described plug (2) be positioned at socket head on filament on the bulb (25) be electrically connected, press by the shaped form conducting metal on this plug conducting metal or curve conduction hole slot on the insulation hole slot of the shaped form on the socket (5) (15) and socket and electrically contact.

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