CN2151548Y

CN2151548Y - Multifunctional plug

Info

Publication number: CN2151548Y
Application number: CN 93227931
Authority: CN
Inventors: 赵起德; 张福禄
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-04-17
Filing date: 1993-04-17
Publication date: 1993-12-29
Anticipated expiration: 2003-04-17

Abstract

The utility model relates to a line connecting device, particularly a plug with the functions of emergent protection and warn, wherein, the plug can be cooperated with a wire distributing mould of an electric communication system to form an electric pathway. The utility model is composed of a plug seat, an insulating inserting plate, electric conducting substrates at two corresponding faces of the insulating inserting plate, a fuse, a warning circuit, a contact member with the on-off function, etc., and is characterized in that based on the function of overload protection and a connecting line, the plug is added with the warning function; when outside lines are failed, the pathway of the outside lines and an inside communication system can be cut off in time, which can prevent equipment from being burning, and acoustic-optical warning signals can be simultaneously sent out, the plug has the advantages of simple structure, reasonable and compact arrangement and particularly convenient use.

Description

Multifunctional plug

The utility model relates to a kind of line connection device, the connector that particularly matches with Wiring module in the electrical communication system and constitute electric pathway and have urgent protection and warning function.

The existing connector that matches with Wiring module is to be made of insulation obturating plug and the metal backing that is fixed on the obturating plug, metal backing is inserted between the conductive contact piece of two corresponding settings on the Wiring module, makes it constitute electric pathway.This connector only plays interconnect function; function singleness; in order to prevent strong signal to be entered cause in the communication system major accident of burning intercom set to take place because of the PERCOM peripheral communication circuit has an accident; a kind of connector with defencive function is arranged at present, it by obturating plug, be fixed on the insulated substrate on the obturating plug and the conductive substrate that is located on insulated substrate two corresponding surfaces constitutes.The conductive substrate of two correspondences is connected by fuse.If external strong signal, fuse blows, the electric pathway of cut-out outside line and intercom set, protection equipment is not burnt.Though this connector can play a protective role, do not have a warning function, therefore can not in time find and the processing accident.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of multi-functional connector that integrates connection, overload protection and automatic warning function is provided.

The purpose of this utility model is achieved in that multi-functional connector is by obturating plug, is fixed on two on the obturating plug insulation plates that be arranged in parallel and is located at the conductive substrate on insulation plate two corresponding surfaces and the fusible link that the conductive substrate on two corresponding surfaces is connected constitutes, its special character is also to comprise a warning circuit, and it is by a contact that the plays on-off action formation electric pathway that links to each other with conductive substrate.Contact is controlled break-make by fusible link, and usually contact is in off-state under the tension of fusible link, is not communicated with between warning circuit and the conductive substrate.When fusible link disconnects, the contact closure, warning circuit is communicated with conductive substrate.

Described warning circuit is a sound light alarming circuit, it is arranged in the obturating plug, its wiring board is structure as a whole with the insulation plate, the plus or minus end of alarm circuit is connected with the plus or minus conductive substrate through contact, and the negative or positive end of alarm circuit then directly is connected with the negative or positive conductive substrate that aforementioned conductive substrate is positioned at the same side.

Described contact is to be made of dynamic and static contact.Active and static contact is separately positioned on the wiring board and on two corresponding walls of the slotted hole between two fusible links, is provided with the insulation projection on movable contact spring, and fusible link is walked around the insulation projection movable contact spring and static contact are drawn back.Described fusible link should adopt the wire with certain tensile strength and fusing point to make.

Also be provided with a test button in warning circuit, it is serially connected between conductive substrate and the warning circuit, and whether with contact and connect, it is normal to be used for the detection alarm circuit working.

Owing to adopted technique scheme; make connector on basis with connection line and overload protection function; increased warning function again; therefore, the multi-functional connector that uses the utility model to provide, the path that can in time cut off outside line and intercom system when externally accident appears in circuit; prevent that external strong signal from entering the accident that causes burning apparatus in the system; send the sound and light alarm signal simultaneously, in time notify operator on duty's processing accident, and can show location of fault intuitively.

This connector simple in structure, be provided with rationally, compact, the electronic component in its warning circuit can be provided with in the circuit board the through hole, has reduced element and has taken up space.

Fig. 1 is the appearance structure schematic diagram of connector.

Fig. 2 is the sectional elevation of Fig. 1.

Fig. 3 is the schematic diagram of the utility model warning circuit.

Be described in further detail below in conjunction with accompanying drawing:

As shown in Figure 1, 2, the obturating plug of connector (1) is upward (2), following (3) two housing sections butt joint formation that is cavity by interior, and the one end is a square, and the other end is a cuboid.On the periphery of upper shell, be distributed with shrinkage pool, then be distributed with the projection (4) that can match with it on the periphery of corresponding lower house with shrinkage pool.Both plug together mutually, the wiring board (7) that is fixed on two on obturating plug insulation plates that be arranged in parallel (5,6) and warning circuit is structure as a whole, the shape of wiring board is identical with obturating plug, and which is provided with to match with projection (8) makes it be fixed on through hole on the lower house.Be respectively equipped with conductive substrate (16) on two corresponding surfaces of insulation plate, the conductive substrate of one of them insulation on plate is for just, and the conductive substrate on another insulation plate is for bearing.Conductive substrate on two corresponding surfaces is interconnected by fusible link (9), on the wiring board between two fusible links, be provided with slit-like through-holes (10), one end of two movable contact springs (11) of the contact that be arranged in parallel with fusible link is fixed on the cell wall, and be connected with the negative terminal of alarm circuit, the other end longitudinally is provided with insulation projection (12), then be fixed on the cell wall on the other side at the static contact between two movable contact springs (13), and be connected with negative conductive substrate.The positive conductive substrate that negative therewith conductive substrate is positioned on the same side then is connected with the anode of alarm circuit.During use, the positive and negative conductive substrate of this side should plug with the contact chip that links to each other with communication equipment in the Wiring module.Promptly the conductive substrate on this side should link to each other with communication equipment, fusible link is walked around the insulation projection, movable contact spring and static contact are drawn back, and active and static contact is to adopt the rubber-like copper sheet to make, and fusible link preferably adopts the alloy silk with tensile strength and certain fusing point to make.

Fig. 3 has provided a kind of schematic diagram of warning circuit.Warning circuit is by the ic chip that can produce the batch (-type) pulse control signal ₁, coupled power amplifier tube BG ₁With light-emitting diode D ₁Divider resistance R ₁～R ₃, be connected buzzer and resistance R between transistor collector and the emitter ₄Connect and compose by diagram.The anode of alarm circuit links to each other with positive conductive substrate, and the negative terminal then contact through playing on-off action links to each other with negative conductive substrate.Test button is attempted by the two ends of contact.Test button (14) and luminous tube (15) are fixed on obturating plug top such as Fig. 1,2.

During use, at first the plate with socket inserts in the Wiring module.The positive and negative conductive substrate that wherein is arranged in plate one side and links to each other with warning circuit joins with the positive and negative contact chip that Wiring module links to each other with communication equipment, the positive and negative conductive substrate of opposite side then is connected with the positive and negative contact chip that is connected the PERCOM peripheral communication lead, and communication system is devoted oneself to work.Press test button then, whether the detection alarm circuit working is normal.During the system operate as normal, two sides conductive substrate and the fusible link of signal on connector transmits.This moment is under the tension of fusible link, active and static contact disconnects, warning circuit is not worked, when the strong signal in outside entered, fusible link fused, and had cut off the path of outside line and intercom set, reset by its movable contact spring that draws back simultaneously and contact with static contact, the loop of communication equipment and warning circuit is connected, and it is electric that warning circuit is got, ic chip ₁Pulse signal is sent in work, makes luminous tube and buzzer luminous and send the siren sound by certain hour gap periods ground.

Claims

1, multi-functional connector, it is by obturating plug, the fusible link formation that is fixed on two on the obturating plug insulation plates that be arranged in parallel and is located at the conductive substrate on insulation plate two corresponding surfaces and the conductive substrate on two corresponding surfaces is connected, it is characterized in that also comprising a warning circuit, it is by a contact that the plays on-off action formation electric pathway that links to each other with conductive substrate, contact is controlled break-make by fusible link, usually contact is in off-state under the tension of fusible link, warning circuit is led between the substrate with electricity and is not communicated with, when fusible link disconnects, the contact closure, warning circuit is communicated with conductive substrate.

2, multi-functional connector according to claim 1, it is characterized in that described warning circuit is a sound light alarming circuit, it is arranged in the obturating plug, its wiring board is structure as a whole with the insulation plate, the plus or minus end of alarm circuit is connected with the plus or minus conductive substrate through contact, and the negative or positive end of alarm circuit then directly is connected with the negative or positive conductive substrate that aforementioned conductive substrate is positioned at the same side.

3, according to claim 1,2 described multi-functional connectors, it is characterized in that described contact is to be made of dynamic and static contact, active and static contact is separately positioned on the wiring board and on two corresponding walls of the slotted hole between two fusible links, be provided with the insulation projection on movable contact spring, fusible link is walked around the insulation projection movable contact spring and static contact is drawn back.

4, multi-functional connector according to claim 1 is characterized in that also being provided with a test button in warning circuit, it be serially connected between conductive substrate and the warning circuit and with contact mutually and connect.