CN206532689U

CN206532689U - Intelligent-induction formula security transformer

Info

Publication number: CN206532689U
Application number: CN201720108554.2U
Authority: CN
Inventors: 马显章
Original assignee: Qingliu Yike Electronic Science & Technology Co Ltd
Current assignee: Qingliu Yike Electronic Science & Technology Co Ltd
Priority date: 2017-02-06
Filing date: 2017-02-06
Publication date: 2017-09-29
Anticipated expiration: 2027-02-06

Abstract

The utility model discloses a kind of intelligent-induction formula security transformer; aim to provide it is a kind of can according to own situation carry out intelligent protection intelligent-induction formula security transformer; its drip irrigation device is to include shell, transformer body, the high power switch to control transformer body switch, the controller and independently-powered power module for connecting high power switch; hollow round platform, transformer body is provided with the shell to be fixed on round platform; it is provided with the side wall of round platform in apopore, round platform and is provided with drainage channel and drain motor；The power module is provided by magnetic switch and is also associated with leak protection circuit on power path, the controller.

Description

Intelligent-induction formula security transformer

Technical field

The utility model is related to transformer technology field, more particularly to intelligent-induction formula security transformer.

Background technology

The need for socio-economic development, transformer is widely used in numerous occasions, becomes in power system most One of important main equipment, is the most key link of power transmission and transformation system, and many occasions can see its figure, but therewith The problem of coming is also increasing, especially the high-level transformer of carry, and it is arranged at open air, due to there is wind in open-air atmosphere Rain thunder and lightning, easily occurs rain leakage, and when the beam column that transformer is set is destroyed by sinking of ground, Vehicular impact etc., its It is easily caused cable to be pullled fracture and do not cut off the electricity supply in time, easily occurs second accident.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model, which is to provide, to carry out intelligence according to own situation The intelligent-induction formula security transformer of protection.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of intelligent-induction formula peace Full transformer, including shell, transformer body, to control high power switch that transformer body switchs, connect high-power open Hollow round platform, transformer body are provided with the controller of pass and independently-powered power module, the shell to be fixed on On round platform, it is provided with the side wall of round platform in apopore, round platform and is provided with drainage channel and drain motor；

The power module is provided by magnetic switch is also associated with leak protection electricity on power path, the controller Road, the leak protection circuit includes leakage inductive plate, the first comparison circuit, the first execution circuit；

Leakage inductive plate is to sense rainwater and export detection signal；

First comparison circuit connects the first execution circuit, receives the detection signal of leakage inductive plate and triggering first performs electricity Road；

First execution circuit receives the signal of the first comparison circuit, and responds its signal unlatching drain motor and draining police Report.

By above-mentioned setting, high power switch can be received after the signal on controller, direct disconnecting transformer sheet The circuit of body so that the circuit of transformer body is disconnected, and controller and leak protection circuit are powered by power module, can be with Operating alone, when water leakage situation occurs in transformer, then ponding is mainly directed to formed between round platform and shell low-lying by round platform , because round platform is hollow, and there is apopore at place on the wall of side, so that ponding can be discharged into the drainage channel inside round platform, And discharged by drain motor, improve drainage efficiency.

In leak protection circuit, leakage inductive plate can sense transformer body whether leak, it is existing if there is leak As after judging to exist drainage by the first comparison circuit, the first execution circuit begins to work, realizes that draining is alarmed And driving drain motor carries out drainage works, so as to place the continuation extension of drainage, drain motor arranges ponding Remove, the first execution circuit also carries out draining alarm, so as to allow maintainer to know in time, to be rushed to repair.

Can be preferably as concrete scheme of the present utility model：The first comparator circuit includes reference circuit, the One comparator, reference circuit connects the in-phase input end of first comparator, and leakage inductive plate connects the anti-phase defeated of first comparator Enter end, the output end of first comparator connects the first execution circuit, and the first execution circuit includes the first relay, the first buzzing Device, the second indicator lamp, drain motor；

First comparator drives the first relay to carry out control system of switching on or off electricity to drain motor, and the first buzzer and second indicate Lamp is connected in parallel on the first relay.

By above-mentioned setting, leakage inductive plate checks leak, then is judged by first comparator, and first performs electricity First relay on road can control drain motor to work, and the second indicator lamp is lighted, the first buzzer call.

Can be preferably as concrete scheme of the present utility model：Unequal protection circuit is also associated with the controller, The unequal protection circuit include to detect whether inclined test section, connection rake go forward side by side line tilt alarm instruction Portion, the instruction unit includes the 3rd indicator lamp, the second buzzer.

By above-mentioned setting, when transformer is integrally tilted, then inspection portion will directly control the second buzzer call and 3rd indicator lamp is lighted, and is pointed out.

Can be preferably as concrete scheme of the present utility model：The test section includes the bottle equipped with conduction liquid, set 3rd comparator of the output signal being placed in bottle higher than the conductive pin on conduction liquid, to judge conductive pin, the bottle Triggering conductive pin exports high level when being fixed in transformer body and tilting, otherwise conductive pin output low level.

By above-mentioned setting, when due to bottle horizontal positioned, conductive pin is not exposed to conduction liquid, and when bottle inclines Tiltedly, now conduction liquid will cover conductive pin, so that conductive pin can export high level, now can be to cause the 3rd indicator lamp Light and the second buzzer sends alarm sound, thus testing staff can just be overhauled with Awareness status.

In summary, the utility model has the advantages that：By being improved to transformer, with rainwater inspection Survey, alarm can also effectively be alleviated so that leak will not be accumulated in the shell of transformer to the situation of leak, and Also there is tilt detection, the inclination conditions of transformer can be effectively judged, tilt, will also be warned if transformer is sent.

Brief description of the drawings

Fig. 1 is the circuit module figure of the present embodiment；

Fig. 2 is the structural representation of the present embodiment；

Fig. 3 is the circuit diagram of the leak protection circuit of the present embodiment；

Fig. 4 is the circuit diagram of the unequal protection circuit of the present embodiment.

1, shell in figure；2nd, transformer body；3rd, high power switch；4th, controller；5th, power module；6th, round platform；7th, go out Water hole；8th, drainage channel；9th, leak protection circuit；YX, leakage inductive plate；M, drain motor；200th, the first comparison circuit；300、 First execution circuit；201st, reference circuit；U1A, first comparator；KM1, the first relay；Bell, the first buzzer；LED2、 Second indicator lamp；401st, test section；402nd, instruction unit；LED3, the 3rd indicator lamp；PZ, the second buzzer；403rd, bottle；404、 Conductive pin；A1, the 3rd comparator.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment：

A kind of intelligent-induction formula security transformer, as shown in figure 1, including shell 1, transformer body 2, to control transformation The high power switch 3 of the switch of device body 2, the controller 4 and independently-powered power module 5 for connecting high power switch 3.Transformation Device body 2 is the construction such as internal transformer coil.High power switch 3 can be IGBT module or breaker, can also adopt Use relay device.Power module 5 can be Switching Power Supply, it would however also be possible to employ sun-generated electric power is powered.

Power module 5 provides power path by magnetic switch, and magnetic switch is GH1, GH2, GH3 in Fig. 1, and this is Tongue tube element, can control its break-make by magnet or magnetic sheet, because this control is by magnetic field control, it is possible thereby to keep away Exempt from the danger of manual contact and electric shock.Controller 4 can be PLC 4.Leak protection electricity is also associated with controller 4 Road 9.

It is fixed on as shown in Fig. 2 being provided with hollow round platform 6, transformer body 2 in shell 1 on round platform 6, the side of round platform 6 Apopore 7 is provided with wall, apopore 7 is arranged in the low-lying place between round platform 6 and shell 1, round platform 6 and is provided with drainage channel 8 and drain motor M.Drain motor M starts, then ponding can be excluded into shell 1.Leakage inductive plate YX can be arranged on shell On 1 inwall.

As shown in figure 3, leak protection circuit 9 includes leakage inductive plate YX, the first comparison circuit 200, the first execution circuit 300.Leakage inductive plate YX is pcb board, and multiple conductors are provided with above, forms capacitive rain detector part, using this electricity Hold principle, it is possible to achieve the presence or absence of rainwater is detected.

Rainwater is checked for by leakage inductive plate YX, when rainwater falls on leakage inductive plate YX, the dielectric medium of electric capacity Constant will change, equivalent to rainwater so that capacitance short-circuit, now leakage inductive plate YX output ends output low level signal, And the output high level signal of reference circuit 201, reference circuit 201 is carried by way of resistance R20 and resistance R21 are by partial pressure For reference voltage, it is compared by first comparator U1A, then exports the drive signal of high level so that the first execution circuit 300, which receive drive signal, is operated.First comparison circuit 200 connects the first execution circuit 300, receives leakage inductive plate YX's Detect signal and trigger the first execution circuit 300.First execution circuit 300 receives the signal of the first comparison circuit 200, and responds Its signal opens drain motor M and draining alarm.

First comparator U1A circuits include reference circuit 201, first comparator U1A, and the connection of reference circuit 201 first is compared Compared with device U1A in-phase input end, leakage inductive plate YX connection first comparators U1A inverting input, first comparator U1A's Output end connects the first execution circuit 300, and the first execution circuit 300 includes the first relay KM1, the first buzzer Bell, the Two indicator lamp LED2, drain motor M；It is automatically controlled that first comparator U1A drives the first relay KM1 to carry out break-make to drain motor M System, the first buzzer Bell and the second indicator lamp LED2 are connected in parallel on the first relay KM1.

In addition, second comparator U1B connection the first indicator lamp LED1, can carry out the instruction to reference signal.

The course of work：High power switch 3 can be received after the signal on controller 4, direct disconnecting transformer body 2 Circuit so that the circuit of transformer body 2 is disconnected, and controller 4 and leak protection circuit 9 are powered by power module 5, can With operating alone, when water leakage situation occurs in transformer, then ponding is mainly directed to what is formed between round platform 6 and shell 1 by round platform 6 , because round platform 6 is hollow, and there is apopore 7 at low-lying place, so that ponding can be discharged into the row inside round platform 6 on the wall of side Water channel 8, and discharged by drain motor M, improve drainage efficiency.

In leak protection circuit 9, leakage inductive plate YX can sense transformer body 2 whether leak, if there is leakage Water phenomenon, after judging to exist drainage by the first comparison circuit 200, the first execution circuit 300 begins to work, real Existing draining alarm and driving drain motor M carry out drainage works, so as to place the continuation extension of drainage, draining electricity Machine M excludes ponding, and the first execution circuit 300 also carries out draining alarm, so as to allow maintainer to know in time, to carry out Repairing.

Leakage inductive plate YX checks leak, then is judged by first comparator U1A, the first execution circuit 300 First relay KM1 can control drain motor M to work, and the second indicator lamp LED2 is lighted, and the first buzzer Bell pipes.

As shown in figure 4, being also associated with unequal protection circuit on controller 4, unequal protection circuit is included to detect whether Inclined test section 401, connection rake are gone forward side by side the instruction unit 402 of line tilt alarm, test section 401 and instruction unit 402 such as Fig. 4 Shown circuit, instruction unit 402 includes the 3rd indicator lamp LED3, the second buzzer PZ.The 3rd comparator in unequal protection circuit A1 output end connection controller 4.Test section 401 includes the bottle 403 equipped with conduction liquid, is arranged to be higher than in bottle 403 and leads 3rd comparator A1 of the conductive pin 404 on electro-hydraulic, the output signal to judge conductive pin 404, bottle 403 is fixed on transformation The output high level of conductive pin 404 is triggered in device body 2 and when tilting, otherwise the output of conductive pin 404 low level.

Work process：When transformer is integrally tilted, then inspection portion pipes directly the second buzzer PZ of control and the Three indicator lamp LED3 are lighted, and are pointed out.When due to 403 horizontal positioned of bottle, conductive pin 404 is not exposed to conduction Liquid, and when bottle 403 is tilted, now conduction liquid will cover conductive pin 404, so that conductive pin 404 can export high level, this When can be make it that the 3rd indicator lamp LED3 is lighted and the second buzzer PZ sends alarm sound, thus testing staff just can be with Awareness status, is overhauled.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims

1. a kind of intelligent-induction formula security transformer, including shell (1), transformer body (2), to control transformer body (2) high power switch (3) of switch, the controller (4) and independently-powered power module (5) of connection high power switch (3), It is characterized in that：Hollow round platform (6), transformer body (2) are provided with the shell (1) to be fixed on round platform (6), round platform (6) it is provided with side wall in apopore (7), round platform (6) and is provided with drainage channel (8) and drain motor (M)；

The power module (5) is provided by magnetic switch is also associated with leak protection on power path, the controller (4) Circuit (9), the leak protection circuit (9) includes leakage inductive plate (YX), the first comparison circuit (200), the first execution circuit (300)；

Leakage inductive plate (YX) is to sense rainwater and export detection signal；

First comparison circuit (200) connects the first execution circuit (300), receives the detection signal of leakage inductive plate (YX) and triggers First execution circuit (300)；

First execution circuit (300) receives the signal of the first comparison circuit (200), and responds its signal unlatching drain motor (M) And draining alarm.

2. intelligent-induction formula security transformer according to claim 1, it is characterised in that：The first comparator (U1A) Circuit includes reference circuit (201), first comparator (U1A), the same phase of reference circuit (201) connection first comparator (U1A) Input, the inverting input of leakage inductive plate (YX) connection first comparator (U1A), the output end of first comparator (U1A) Connect the first execution circuit (300), the first execution circuit (300) include the first relay (KM1), the first buzzer (Bell), Second indicator lamp (LED2), drain motor (M)；

First comparator (U1A) drives the first relay (KM1) to carry out control system of switching on or off electricity, the first buzzer to drain motor (M) (Bell) it is connected in parallel on the second indicator lamp (LED2) on the first relay (KM1).

3. intelligent-induction formula security transformer according to claim 1, it is characterised in that：Also connect on the controller (4) Unequal protection circuit is connected to, the unequal protection circuit is included to detect whether inclined test section (401), connection rake The instruction unit (402) of line tilt of going forward side by side alarm, the instruction unit (402) includes the 3rd indicator lamp (LED3), the second buzzer (PZ)。

4. intelligent-induction formula security transformer according to claim 3, it is characterised in that：The test section (401) includes Bottle (403) equipped with conduction liquid, it is arranged in bottle (403) higher than the conductive pin (404) on conduction liquid, to judge conduction 3rd comparator (A1) of the output signal of pin (404), when the bottle (403) is fixed in transformer body (2) and tilted Conductive pin (404) output high level is triggered, otherwise conductive pin (404) output low level.