CN206148923U

CN206148923U - SPD backup protection ware

Info

Publication number: CN206148923U
Application number: CN201621168378.3U
Authority: CN
Inventors: 杨帅帅
Original assignee: Zhengzhou Wanjia Lightning Protection Co Ltd
Current assignee: Zhengzhou Wanjia Lightning Protection Co Ltd
Priority date: 2016-11-02
Filing date: 2016-11-02
Publication date: 2017-05-03
Anticipated expiration: 2026-11-02

Abstract

The utility model discloses a SPD backup protection ware, including the online self -induction coil on the road of installation, self -induction coil's output is connected with the input of high watt bulb electricity, the output of high watt bulb is connected with emergency switch's input electricity, emergency switch's output is connected with the input of fuse electricity, the input and the current sensor input electricity of fuse are connected, the emergency switch output is connected with inductance coils's input electricity, inductance coils's output is connected on line on the road, the inductance coils winding is in the outside of magnetostatic iron, there is magnetostatic iron inductance coils's inside, there is personal driven magnet inside interlude of magnetostatic iron, cut out cock that can be timely, the protection circuit, detection circuitry in addition moreover, can be timely cut off the main circuit, play protection main part circuit, prevent conflagration hidden danger, avoid bringing economic loss.

Description

A kind of SPD back-up protections device

Technical field

The utility model is related to protection of device technical field, specially a kind of SPD back-up protections device.

Background technology

High speed development and the raising of modernization level with national economy, SPD protections are widely used in post and telecommunications and lead to The industry-by-industries such as news, electric power, railway, airport, petrochemical industry, work China Democratic National Construction Association, provide good antioverloading current protection, so for electrical equipment And using in a large number with SPD, SPD fire incidents and short circuit current protect failure accidents increasing, make to country and enterprise Into very big economic loss, and fire and other faults are that equipment or working condition cause unnecessary fiber crops It is tired, for this purpose, a kind of it is proposed that SPD back-up protections device.

Utility model content

The purpose of this utility model is to provide a kind of SPD back-up protections device, to solve above-mentioned background technology in propose Problem.

For achieving the above object, the utility model provides following technical scheme：A kind of SPD back-up protections device, including self-induction Coil and linkage, the output end of the self-induction coil is electrically connected with the input of bulb, the output end of the bulb with should The input electrical connection of anxious switch, the output end of the emergency button is electrically connected with the input of inductance coil, the inductor wire The output end of circle is connected to the input of linkage, and the inductance coil is wrapped in the outside of static magnet, in the static magnet Portion is interspersed with movable drive magnet, and the linkage includes shell, and the inwall of the shell is fixed with spring, the spring Left end be fixed with moving contact, the moving contact is fastened two stationary contacts, and two stationary contacts extend respectively to shell The outside input and output end for forming linkage, the left end of the moving contact is fixed with fix bar, the fix bar Left end link closely and have movable rod, the left end of the movable rod is connected with the bottom magnetic of drive magnet, the emergency button it is strong Electricity output end also electrically connects with the forceful electric power input of fuse, the forceful electric power output end of the fuse and the light current of current sensor Input is electrically connected, and the current sensor light current output end is electrically connected with the light current input of mutual inductor, the mutual inductance line The light current output end of circle is electrically connected with the light current input of fuse cutout, and the light current output end of the fuse cutout is connected to linkage The input of device.

Preferably, the fix bar is insulating bar.

Preferably, the bulb is high watt bulb.

Compared with prior art, the beneficial effects of the utility model are：The utility model in SPD front ends by being provided with self-induction Coil, high watt bulb and switch, it is therefore prevented that overload current produces impact to circuit below, can timely roof-cut resistence, protection Circuit, is again provided with fuse cutout, and can meet an urgent need fire condition, and installation insurance silk and fuse cutout, and high current is carried out Detection, can timely cut off main circuit, play protection main body circuit, prevent disaster hidden-trouble, it is to avoid bring economic loss.

Description of the drawings

Fig. 1 is circuit connection diagram of the present utility model.

In figure：1st, self-induction coil, 2, bulb, 3, emergency button, 4, current sensor, 5, fuse, 6, drive magnet, 7, Inductance coil, 8, static magnet, 9, linkage, 901, shell, 902, spring, 903, moving contact, 904, stationary contact, 905, solid Fixed pole, 906, movable rod, 10, mutual inductor, 11, fuse cutout.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in this real new embodiment is carried out clearly Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than the reality of whole Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made The every other embodiment for obtaining, belongs to the scope of the utility model protection.

Fig. 1 is referred to, the utility model provides a kind of technical scheme：A kind of SPD back-up protections device, including self-induction coil 1 With linkage 9, the output end of the self-induction coil 1 electrically connects with the input of bulb 2, the output end of the bulb 2 with should The input electrical connection of anxious switch 3, such as bulb 2 has flicker, can immediately cut off emergency button 3, the output end of the emergency button 3 Electrically connect with the input of inductance coil 7, the output end of the inductance coil 7 is connected to the input of linkage 9, the electricity Sense coil 7 is wrapped in the outside of static magnet 8, and movable drive magnet 6, the linkage 9 are interspersed with inside the static magnet 8 Including shell 901, the inwall of the shell 901 is fixed with spring 902, and the left end of the spring 902 is fixed with moving contact 903, the moving contact 903 is fastened two stationary contacts 904, and two stationary contacts 904 extend respectively to the outside of shell 901 The input and output end of linkage 9 are formed, the left end of the moving contact 903 is fixed with fix bar 905, the fix bar 905 left end links closely movable rod 906, and the left end of the movable rod 906 is connected with the bottom magnetic of drive magnet 6, if any electricity The adhesive drive magnet 6 of static magnet 8 when stream springs up, drive magnet 6 promotes movable rod 906 to be allowed to depart from fix bar 905, therewith bullet Spring 902 is stretched, and moving contact 903 is separated with stationary contact 904, and the forceful electric power output end of the emergency button 3 is also strong with fuse 5 Electrical input is electrically connected, and the forceful electric power output end of the fuse 5 is electrically connected with the light current input of current sensor 4, the electricity The light current output end of flow sensor 4 is electrically connected with the light current input of mutual inductor 10, the light current output end of the mutual inductor 10 Electrically connect with the light current input of fuse cutout 11, the light current output end of the fuse cutout 11 is connected to the defeated of linkage 9 Enter end.

Specifically, the fix bar 905 is insulating bar, prevents electric leakage from making circuit burnout.

Specifically, the bulb 2 is high watt bulb, and a high watt bulb is not easy to be damaged by high current, reduces disaster hidden-trouble.

Operation principle：When there is overload current stream to self-induction coil 1, self induction electromotive force can be produced, at this moment bulb 2 has sudden strain of a muscle It is bright, can in time disconnect emergency button 3, such as electric current exceedes rated current, and fuse 5 disconnects automatically, equally can make drive magnet 6 with The adhesive of static magnet 8, while drive magnet 6 drives movable rod 906 to depart from fix bar 905, spring 902 pulls moving contact 903 Disconnect with stationary contact 904, main circuit power-off, fuse cutout 11 is automatically switched off when occurring if any fire, cut off main circuit.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of SPD back-up protections device, it is characterised in that：Including self-induction coil (1) and linkage (9), the self-induction coil (1) output end is electrically connected with the input of bulb (2), and the output end of the bulb (2) is electric with the input of emergency button (3) Connection, the output end of the emergency button (3) is electrically connected with the input of inductance coil (7), the output of the inductance coil (7) End is connected to the input of linkage (9), and the inductance coil (7) is wrapped in the outside of static magnet (8), the static magnet (8) internal to be interspersed with movable drive magnet (6), the linkage (9) includes shell (901), the shell (901) it is interior Wall is fixed with spring (902), and the left end of the spring (902) is fixed with moving contact (903), moving contact (903) button Conjunction has two stationary contacts (904), and two stationary contacts (904) extend respectively to the outside of shell (901) and form linkage (9) Input and output end, the left end of the moving contact (903) is fixed with fix bar (905), a left side for the fix bar (905) End is linked closely and has movable rod (906), and the left end of the movable rod (906) is connected with the bottom magnetic of drive magnet (6), described emergent The forceful electric power output end of switch (3) is also electrically connected with the forceful electric power input of fuse (5), the forceful electric power output end of the fuse (5) Electrically connect with the light current input of current sensor (4), current sensor (4) the light current output end and mutual inductor (10) Light current input is electrically connected, and light current output end and the light current input of fuse cutout (11) of the mutual inductor (10) are electrically connected Connect, the light current output end of the fuse cutout (11) is connected to the input of linkage (9).

2. a kind of SPD back-up protections device according to claim 1, it is characterised in that：The fix bar (905) is insulation Bar.

3. a kind of SPD back-up protections device according to claim 1, it is characterised in that：The bulb (2) is high watt bulb.