CN206441999U

CN206441999U - A kind of constant temperature intelligent switchboard

Info

Publication number: CN206441999U
Application number: CN201621194067.4U
Authority: CN
Inventors: 李艳军; 彭占龙; 李艳波; 韩峰; 吕少革
Original assignee: State Grid Electric Power Co Of Henan Province Lingbao City Power Supply Co
Current assignee: State Grid Electric Power Co Of Henan Province Lingbao City Power Supply Co
Priority date: 2016-11-03
Filing date: 2016-11-03
Publication date: 2017-08-25
Anticipated expiration: 2026-11-03

Abstract

The utility model discloses a kind of constant temperature intelligent switchboard, including power circuit, temperature acquisition control circuit, isolation circuit and triode composite switch circuit, and the power circuit includes transformer W, rectifier bridge T and electric capacity C1；Temperature acquisition control circuit includes chip IC 1, potentiometer RP1 and potentiometer RP2, and isolation circuit includes chip IC 2 and resistance R1, and triode composite switch circuit includes triode V1, triode V2, resistance R3 and resistance R4.The utility model constant temperature intelligent switchboard adds the purpose that electronic circuit board reaches intelligent temperature control by inside, its intelligent control circuit is used as main control module by the use of the intelligent chip of temperature sensor and controller in one is integrated with, signal is controlled by light-coupled isolation, recycle triode composition combination switch, the effect of intelligent temperature control is finally reached, the circuit caused inside traditional switch cabinet because temperature is too high is effectively prevent and damages.

Description

A kind of constant temperature intelligent switchboard

Technical field

The utility model is related to a kind of switch cubicle, specifically a kind of constant temperature intelligent switchboard.

Background technology

Switch cubicle is a kind of electrical equipment, and switch cubicle outside line is introduced into master switch in cabinet, is switched subsequently into sub-control, respectively Branch is needed to set by it.Such as instrument, automatic control, motor magnetic switch, various A.C. contactors etc., have also set hyperbaric chamber with Low-pressure chamber switch cubicle, provided with high voltage bus, such as power plant, what is had is additionally provided with to protect the low-frequency load reduction of capital equipment.

The main function of switch cubicle is generated electricity in power system, transmitted electricity, during distribution and electric energy conversion, is carried out Folding, control and protection electrical equipment.Part in switch cubicle mainly has breaker, disconnecting switch, on-load switch, operation machine Structure, transformer and various protection devices etc. are constituted.The sorting technique of switch cubicle is a lot, such as can be with by breaker mounting means It is divided into withdraw-type switch cabinet and fixed switching cabinet；Or according to the difference of cabinet body structure, open type switch cubicle, metal envelope can be divided into Close switch cubicle and metal enclosed armoured switch cabinet；It can be divided into high-tension switch cabinet, Medium Voltage Switchgear again according to voltage class is different With low-tension switch cabinet etc..Be primarily adapted for use in power plant, transformer station, petrochemical industry, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and The various different occasions such as residential quarters, skyscraper.

Switch cubicle is due to being internally integrated substantial amounts of electric wire, cable, therefore its internal caloric value is very serious, especially in the summer Under Ji Gaowen climatic environment, temperature is too high to cause burning for inside switch cabinet cable, have a strong impact on normal construction operation.

Utility model content

The purpose of this utility model is to provide a kind of constant temperature intelligent switchboard simple in construction, easy to use, to solve The problem of being proposed in above-mentioned background technology.

To achieve the above object, the utility model provides following technical scheme：

A kind of constant temperature intelligent switchboard, including power circuit, temperature acquisition control circuit, isolation circuit and triode are compound On-off circuit, the power circuit includes transformer W, rectifier bridge T and electric capacity C1；Temperature acquisition control circuit include chip IC 1, Potentiometer RP1 and potentiometer RP2, isolation circuit includes chip IC 2 and resistance R1, and triode composite switch circuit includes triode V1, triode V2, resistance R3 and resistance R4；

One end connection resistance R4,220V alternating current and triode V2 colelctor electrode of the armature winding of the transformer W, become The other end connection resistance R5 of depressor W armature winding, electric capacity C1, potentiometer RP2, chip IC 1 pin 4, rectifier bridge T Port 4 and the other end of 220V alternating currents, the two ends of transformer W secondary windings connect rectifier bridge T port 1 and rectification respectively Bridge T port 3, rectifier bridge T port 2 connects electric capacity the C1 other end, diode D1 anode, resistance R1 and chip IC 1 Pin 8, the connection of pin 1 the potentiometer RP1, potentiometer RP1 of chip IC 1 other end connection potentiometer RP2 other end, chip IC1 pin 2 and the pin 3 of chip IC 1, the pin 6 of chip IC 1 connect resistance R2, the pin 2 of chip IC 2 and chip IC 2 Pin 3, the resistance R1 other end connects the pin 1 of chip IC 2, the diode D1 negative electrode connection resistance R2 other end, chip The IC2 connection resistance of the pin 6 R4 other end, the pin 4 of chip IC 2 connects resistance R3 and triode V1 base stage, triode V1 colelctor electrode connecting triode V2 base stage, triode V2 emitter stage connection motor M, motor M other end connection resistance The other end of the R5 other end, triode V1 emitter stage and resistance R3.

It is used as preferred scheme of the present utility model：The model TMP-01 of the chip IC 1.

It is used as preferred scheme of the present utility model：The model MOC3061 of the chip IC 2.

Compared with prior art, the beneficial effects of the utility model are：The utility model constant temperature intelligent switchboard passes through interior Portion adds the purpose that electronic circuit board reaches intelligent temperature control, and its intelligent control circuit utilizes and is integrated with temperature sensor and controller In integral intelligent chip as main control module, signal is controlled by light-coupled isolation, recycles triode composition compound Switch, is finally reached the effect of intelligent temperature control, effectively prevent the circuit caused inside traditional switch cabinet because temperature is too high and ruin Damage.

Brief description of the drawings

Fig. 1 is the circuit diagram of constant temperature intelligent switchboard.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Referring to Fig. 1, a kind of constant temperature intelligent switchboard, including power circuit, temperature acquisition control circuit, isolation circuit and Triode composite switch circuit, the power circuit includes transformer W, rectifier bridge T and electric capacity C1；Temperature acquisition control circuit bag Chip IC 1, potentiometer RP1 and potentiometer RP2 are included, isolation circuit includes chip IC 2 and resistance R1, triode composite switch circuit Including triode V1, triode V2, resistance R3 and resistance R4；

The model TMP-01 of chip IC 1.The model MOC3061 of chip IC 2.

Operation principle of the present utility model is：220V mains voltage is after transformer W decompressions, in transformer W Secondary end winding export relatively low voltage, this voltage exports direct current after rectifier bridge T, to temperature control circuit below and Transistor circuit is powered, and the chip IC 1 in circuit is the integrated chip of integrated temperature sensor and controller, when in switch cubicle The temperature in portion higher than set temperature when, then chip IC 16 pin output low level, chip IC 2 is photo-coupler, now V1 not by Triggering and conducting, triode V2 base stage obtains electric, V2 conductings, and blower fan M conductings reach the purpose of cooling, when environment temperature is reduced to When setting below temperature, then 6 pin of chip IC 1 export high level, therefore IC2 is triggered, from the high electricity of 4 pin output of chip IC 2 It is flat, trigger triode V1 base stage so that V1 is turned on, V1, which is turned on, causes V2 base voltage to be bypassed, and V2 is therefore and by wind Machine M is stopped, when temperature rises to design temperature again, and fan conducting can be triggered again, the purpose of intelligent temperature control is reached.

Claims

1. a kind of constant temperature intelligent switchboard, including power circuit, temperature acquisition control circuit, isolation circuit and triode are combined and opened Powered-down road, it is characterised in that the power circuit includes transformer W, rectifier bridge T and electric capacity C1；Temperature acquisition control circuit bag Chip IC 1, potentiometer RP1 and potentiometer RP2 are included, isolation circuit includes chip IC 2 and resistance R1, triode composite switch circuit Including triode V1, triode V2, resistance R3 and resistance R4,

One end connection resistance R4,220V alternating current and triode V2 colelctor electrode of the armature winding of the transformer W, transformer The other end connection resistance R5 of W armature winding, electric capacity C1, potentiometer RP2, chip IC 1 pin 4, rectifier bridge T port The other end of 4 and 220V alternating currents, the two ends of transformer W secondary windings connect rectifier bridge T port 1 and rectifier bridge T respectively Port 3, the rectifier bridge T connection of the port 2 electric capacity C1 other end, diode D1 anode, the pin of resistance R1 and chip IC 1 8, the connection of pin 1 the potentiometer RP1, potentiometer RP1 of chip IC 1 other end connection potentiometer RP2 other end, chip IC 1 Pin 2 and chip IC 1 pin 3, the connection of pin 6 resistance R2, the pin 2 of chip IC 2 and the drawing for chip IC 2 of chip IC 1 Pin 3, the resistance R1 other end connects the pin 1 of chip IC 2, the diode D1 negative electrode connection resistance R2 other end, chip IC 2 The connection of pin 6 resistance R4 the other end, the pin 4 of chip IC 2 connects resistance R3 and triode V1 base stage, triode V1's Colelctor electrode connecting triode V2 base stage, triode V2 emitter stage connection motor M, motor M other end connection resistance R5's The other end of the other end, triode V1 emitter stage and resistance R3.

2. a kind of constant temperature intelligent switchboard according to claim 1, it is characterised in that the model of the chip IC 1 TMP-01。

3. a kind of constant temperature intelligent switchboard according to claim 1, it is characterised in that the model of the chip IC 2 MOC3061。