CN2374998Y

CN2374998Y - Multifunctional socket

Info

Publication number: CN2374998Y
Application number: CN 99236117
Authority: CN
Inventors: 叶绍文; 林升亮
Original assignee: HUAMEI ELECTRONIC CO Ltd DONGGUAN CITY
Current assignee: HUAMEI ELECTRONIC CO Ltd DONGGUAN CITY
Priority date: 1999-05-24
Filing date: 1999-05-24
Publication date: 2000-04-19
Anticipated expiration: 2009-05-24

Abstract

The utility model relates to a power socket, particularly an improved socket with multiple functions. The power socket is composed of an upper cover, a lower cover, a power line, a relay, a switch, a panel, etc. A main circuit board and a telephone protection circuit board are arranged in the upper cover and the lower cover. On the main circuit board, a fire-zero line, a fire-earth line and a zero-earth line are respectively connected with a varistor Z1, a varistor Z2, and a varistor Z3. A JACK1 or JACK2 interface on the telephone protection circuit board is connected to an earth line via a varistor Z5, a varistor Z6, a fuse F3, and a fuse F4. The utility model has the advantages of preventing lightning strike effectively, preventing overload, and preventing instant high voltage current signal disturbance caused by a large power electric switch in the electric network, etc.

Description

Multi-function jack

The utility model has related to a kind of supply socket, is specially adapted to the complete modified model socket of function.

The socket that is used to supply computer power at present has many technical deficiencies, and is specific as follows: though protection component such as fuse is arranged, the shortcoming of fuse is that the fusing back just can not re-use, and changes and bother very much; No ground connection, power supply do not have ground connection to cause that easily computer and perimeter equipment damages because of no ground connection, or cause that the computer catastrophic failure causes loss of data; Unrestraint EMI (electromagnetic interference) and RFI (radio frequency interference) function when extraneous noise is immersed by computer, cause that easily computer and perimeter equipment is disturbed and damages or misoperation; When the external equipment of socket produced the EMI/RFI signal, socket can not be suppressed and allow this interference signal immerse electrical network.Though the protection socket that has adopts the piezo-resistance protection component is arranged, it is low that the piezo-resistance that adopts absorbs energy grade, and---ground carries out omnibearing protection, so anti-lightning strike function is poor on zero, fiery---ground, zero---not to fire; Shell adopts common plastic cement, does not have a fire protection flame retarding function, and bears the external impacts ability, and is frangible, easily temperature distortion; Adopt common copper copper sheet, copper sheet is yielding, and copper sheet easily generates heat, because of copper sheet distortion easily causing external equipment power supply loose contact, because of copper sheet heating easily causing plastic cement shell distortion even initiation fire; The function that unprotect phone, Moden, facsimile machine, the network equipment are avoided being struck by lightning and damaged; Each socket aperture is not to adopt separately independently switch control, and each external equipment power supply control is inconvenient, socket is fixing and it is inconvenient to use, no Thermal Cutoffs protection piezo-resistance function.

The purpose of this utility model is by protection components such as current protection relay, Thermal Cutoffs, piezo-resistance, electric capacity, and the high current signal of instantaneous pressure that the high-power electric appliance switch causes in anti-lightning strike effectively, antioverloading, the anti-electrical network disturbs.

The technical solution of the utility model is as follows: the utility model is made of loam cake 1, lower cover 2, power line 3, relay 4, switch 7, panel 8 etc., it is characterized in that main circuit board 5, telephone protection circuit plate 6 are built among loam cake 1, the lower cover 2;---zero, fiery---ground, zero---is connected with piezo-resistance Z1, Z2, Z3 respectively to fire on the main circuit board 5 between the ground wire; JACK1 on the telephone protection circuit plate 6 or JACK2 interface are by piezo-resistance Z5, Z6, and fuse F3, F4 are connected to ground wire.

The utility model compared with prior art has the advantages such as the high current signal interference of instantaneous pressure that the high-power electric appliance switch causes in anti-lightning strike effectively, antioverloading, the anti-electrical network.

Description of drawings of the present utility model is as follows:

Fig. 1 is a shape assumption diagram of the present utility model;

Fig. 2 is a cut-away view of the present utility model;

Fig. 3 is a circuit structure diagram of the present utility model.

Below in conjunction with Figure of description the utility model is described in further detail: as shown in Figure 1 and Figure 2, it is made of loam cake 1, lower cover 2, power line 3, relay 4, main circuit board 5, telephone protection circuit plate 6,6 switches 7, panel 8, copper sheet groove 9, copper sheets 10, and 3 of (with reference to Fig. 3) piezo-resistances, 1 of electric capacity, 2 of Thermal Cutoffs are arranged on the main circuit board; 2 of telephony interfaces, 2 of fuses, 2 of piezo-resistances are arranged on the telephone protection circuit plate.Element on all main circuit boards and the telephone protection circuit plate all adopts scolding tin to be fixed on the circuit board, and switch is contained in the panel-switch hole, is fixed by the screens of switch own, and main PCB is fixed on the switch by scolding tin.Panel is fixed on by screw and covers, and copper sheet is positioned the copper sheet groove, and the copper sheet groove is positioned in the loam cake card ditch, is pushed down fixingly again by lower cover, and relay, power line, telephone protection circuit plate all are positioned the loam cake relevant position, are pushed down fixing by lower cover; All circuits connections all adopt electric wire scolding tin to connect, and the cover lock screw is fixed up and down.As shown in Figure 3, the utlity model has and suppress the function that thunderbolt waits the high current signal of instantaneous pressure to disturb, adopt moment can absorb pressure-sensitive protection component than macro-energy, realization is to fire, and---two ends, ground are protected for zero two ends, fire---two ends, ground, zero---.Using this to suppress the high current technique of instantaneous pressure can suppress because of thunderbolt waits the high current signal of instantaneous pressure, in order to avoid the electrical equipment that is connected on the utility model is damaged.This piezo-resistance have reaction speed fast, absorb the energy advantage of higher.When the high current signals of instantaneous pressure such as external world's thunderbolt immerse the utility model by electrical network, piezo-resistance is that 10^ (12) S speed absorbs the energy that thunderbolt waits the high current signal of instantaneous pressure to bring with the response time, and be heat energy with this Conversion of energy, and piezo-resistance heating restorability after cooling can be reused.When thunderbolt waits the high current signal of instantaneous pressure from fire---when zero two ends were immersed, Z1 was that the speed of 10^ (12) S absorbs the energy that thunderbolt waits instantaneous pressure alternating current signal to bring into the response time, and distributes in the mode of heat energy; When thunderbolt waits the high current signal of instantaneous pressure from zero---when the two ends, ground were immersed, piezo-resistance Z3 absorbed the energy that thunderbolt waits the high electric current electric signal of instantaneous pressure to bring into rapidly, and inferior mode with heat energy distributes; When thunderbolt waits the high current signal of instantaneous pressure from fire---when the two ends, ground were immersed, voltage resistance Z2 absorbed the energy that the high current signal of high pressure is brought between Inter such as Shun such as thunderbolt Deng rapidly, and inferior mode with heat energy distributes.

The utility model has adopted good over-current protection relay, has excess current protective function.When the utility model external load overrate 2500 watt-hours, circuit breaker is outage automatically, in order to avoid cause fire because of the overload heating; When circuit breaker disconnects after cooling, but hand its reset and can re-use, and performance can not be affected.

The utlity model has the ground protection function, make to be connected in computer and perimeter equipment of the present utility model and to avoid not having the fault that ground connection causes.

The utility model adopts electric capacity that the EMI/RFI Recombinant Interferon is suppressed effectively, is interfered and damages in order to avoid be connected in computer and perimeter equipment of the present utility model; When being connected in equipment of the present utility model when producing noise such as EMI/RFI, the utility model can suppress interference signal effectively in order to avoid it immerses computer, disturbs other equipment in the computer.

The utility model adopts good fire protection flame retarding plastic cement to make shell, make and the utlity model has fire retardant performance, and can bear the impact of big external force and be difficult for breaking, sustainable work under 60 celsius temperature environment and do not influence its performance is so improved its useful life and fail safe widely.

The jack copper sheet that the utility model adopts the high-quality copper to do, not only has Low ESR, and the elasticity than Strong is arranged, not yielding, because of its low impedance characteristic, so copper sheet is difficult for heating, can Yin Wendu not too high and cause plastic cement quick aging or distortion, and copper sheet can not influence external connection electrical apparatus work because of pressure drop is arranged; Because of its stronger elasticity and hardness, jack is plugged and unplugged 6000 times continuously and can not be out of shape, can guarantee that the contact of external equipment power supply is good.

The utility model adopts the inhibition technology that the high current signal of instantaneous pressures such as thunderbolt is disturbed; has the protection phone; facsimile machine; computer network and Moden avoid the interference of the high current signals of instantaneous pressure such as being struck by lightning and the function of damage; increase the logical News product circuit De Let Meter of protection; overcome the blank of prior art socket to the communication product protection; make the utility model protect object and extend to communications field product from home appliance; accommodation with broad; socket perfect functions of the present utility model need not resemble in the past except the socket that will buy a protection home appliance user; also to buy a protection phone; the protector of communication products such as the network equipment; so not only use easily, also reduced cost simultaneously.With reference to Fig. 3, when the high current signal of extraneous instantaneous pressure when JACK1 or JACK2 immerse, piezo-resistance Z5, Z6 absorb the energy that the high current signal of instantaneous pressure is brought into rapidly, and are that heat energy distributes with this Conversion of energy; When the energy that the high current signal of instantaneous pressure that immerses when the external world is brought into exceeded the fusing value of fuse F3, F4, F3, F4 quick-break were to protect external communication product.

The utility model adopts each envelope of many switches control to answer the output of jack, makes things convenient for the user to control and manages the power supply of computer and perimeter equipment.

The utility model directly is fixed on below the display; the user is come into plain view to computer, display and other peripheral equipment power status; manage very convenient; and has a protection piezo-resistance function; when the high current signal energy of instantaneous pressures such as thunderbolt exceeded the specified absorption energy of piezo-resistance, Thermal Cutoffs fused immediately with the piezo-resistance of protection serial connection.

Claims

1, a kind of multi-function jack, by loam cake (1), lower cover (2), power line (3), relay (4), switch (7), panel formations such as (8), it is characterized in that main circuit board (5), telephone protection circuit plate (6) are built among loam cake (1), the lower cover (2);---zero, fiery---ground, zero---is connected with piezo-resistance Z1, Z2, Z3 respectively to fire on the main circuit board (5) between the ground wire; JACK1 on the telephone protection circuit plate (6) or JACK2 interface are by piezo-resistance Z5, Z6, and fuse F3, F4 are connected to ground wire.

2, multi-function jack according to claim 1; it is characterized in that copper sheet groove (9) is positioned loam cake (1) Ka Gouli; push down fixing by lower cover (2) again; relay (4), power line (3), telephone protection circuit plate (6) all are positioned loam cake (1) relevant position, push down fixing by lower cover (2).

3, multi-function jack according to claim 1 is characterized in that the common ends of Z1, Z2 is connected to live wire by Thermal Cutoffs F1, and Z5, Z6 are connected to the JACK2 interface by electric current fuse F3, F4.