CN205320734U - Big -arch shelter is rolled up curtain machine and is rolled up curtain control circuit - Google Patents

Abstract

The utility model discloses a big -arch shelter is rolled up curtain machine and is rolled up curtain control circuit includes: three -phase breaker QF, ac contactor contact KM1, ac contactor contact KM2, ac contactor coil KM1', ac contactor coil KM2', overheat protective relay FR, overheat protective relay switch FR', normally open contact K1, normally open contact K2 put in place on, proximity switch T1, put in place proximity switch T2, motor M and ac contactor 1T0 down. Wherein, be connected with normally open contact K1 through the proximity switch T1 that will target in place on will, under put proximity switch T2 in place and be connected with normally open contact K2, normally open contact K1, normally open contact K2 meets 12V DC power supply, when realizing the switch -on of rotary switch T0 forward, ac contactor coil KM1', the corotation of motor M, it rolls up to roll up the curtain machine, when rotary switch T0 backward puts through, ac contactor coil KM2', the reversal of motor M, roll up lower roll of curtain machine, control circuit's security has improved.

Description

A kind of greenhouse roller roller shutter control circuit

Technical field

This utility model relates to technical field of electronic control, particularly relates to a kind of greenhouse roller roller shutter control circuit。

Background technology

When utilizing warmhouse booth to carry out agricultural production, in order to the plant in booth is carried out night insulation, it is necessary to lay insulation quilt on booth。And by day, often need again to roll the insulation quilt being laid on booth, so that solar irradiation is mapped in booth。

Greenhouse roller roller shutter control circuit is for controlling shutter lay insulation quilt on booth, or is rolled by the insulation quilt being laid on booth。Owing to rolling shutter controlling device for greenhouse curtain roller is usually positioned over outdoor, working environment is complicated, such as, it is placed in summer in high temperature exposure environment, winter is as in sleet environment, this is accomplished by its control circuit and has higher safety, to guarantee to perform manually the personal safety during control operation to shutter。

Utility model content

This utility model provides a kind of greenhouse roller roller shutter control circuit, in order to improve the safety of control circuit, it is ensured that perform the personal safety during control operation to shutter manually。

This utility model provides a kind of greenhouse roller roller shutter control circuit, including: three-phase breaker QF, ac contactor contact KM1, ac contactor contact KM2, ac contactor coil KM1 ', ac contactor coil KM2 ', overheat protective relay FR, overheat protective relay switch FR ', relay normally open contact K1, relay normally open contact K2, on put in place proximity switch T1, under put in place proximity switch T2, motor M and rotary switch T0；

Three-phase breaker QF, is connected with live wire L1, L2, L3, for control circuit break-make;

Overheat protective relay FR, for when superheating phenomenon occurs in circuit, switching FR ' and disconnect by overheat protective relay；

On the proximity switch T1 that puts in place be connected with relay normally open contact K1, under the proximity switch T2 that puts in place be connected with relay normally open contact K2, relay normally open contact K1, relay normally open contact K2 connect 12V DC source；

When rotary switch T0 forward is connected, ac contactor coil KM1 ' obtains electric, and motor M rotates forward, shutter roll, and when motor M arrives booth top, the proximity switch T1 that above puts in place disconnects；When rotary switch T0 reversely connects, ac contactor coil KM2 ' electric, motor M reverses, shutter last volume, when motor M arrives bottom booth, under the proximity switch T2 that puts in place disconnect。

Greenhouse roller roller shutter control circuit of the present utility model includes: three-phase breaker QF, ac contactor contact KM1, ac contactor contact KM2, ac contactor coil KM1 ', ac contactor coil KM2 ', overheat protective relay FR, overheat protective relay switch FR ', relay normally open contact K1, relay normally open contact K2, on put in place proximity switch T1, under put in place proximity switch T2, motor M and rotary switch T0。Wherein, three-phase breaker QF, it is connected with live wire L1, L2, L3, for control circuit break-make;Overheat protective relay FR, for when superheating phenomenon occurs in circuit, switching FR ' and disconnect by overheat protective relay；By by the proximity switch T1 that puts in place be connected with relay normally open contact K1, under the proximity switch T2 that puts in place be connected with relay normally open contact K2, relay normally open contact K1, relay normally open contact K2 connect 12V DC source, it is achieved when rotary switch T0 forward is connected, ac contactor coil KM1 ' obtains electric, motor M rotates forward, and shutter roll, when rotary switch T0 reversely connects, ac contactor coil KM2 ' obtains electric, motor M reverses, and shutter last volume improves the safety of control circuit。When motor M arrives booth top, the proximity switch T1 that above puts in place disconnects；When motor M arrives bottom booth, under the proximity switch T2 that puts in place disconnect。Therefore, greenhouse roller roller shutter control circuit safety of the present utility model is high, it can be ensured that perform the personal safety during control operation to shutter manually。

Accompanying drawing explanation

The circuit diagram of the greenhouse roller roller shutter control circuit that Fig. 1 provides for this utility model。

Detailed description of the invention

For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model is clearly and completely described, obviously, described embodiment is only a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。

The circuit diagram of the greenhouse roller roller shutter control circuit that Fig. 1 provides for this utility model。As it is shown in figure 1, greenhouse roller roller shutter control circuit of the present utility model includes: three-phase breaker QF, ac contactor contact KM1, ac contactor contact KM2, ac contactor coil KM1 ', ac contactor coil KM2 ', overheat protective relay FR, overheat protective relay switch FR ', relay normally open contact K1, relay normally open contact K2, on put in place proximity switch T1, under put in place proximity switch T2, motor M and rotary switch T0。

Three-phase breaker QF, is connected with live wire L1, L2, L3, for control circuit break-make;Overheat protective relay FR, for when superheating phenomenon occurs in circuit, switching FR ' and disconnect by overheat protective relay。

On the proximity switch T1 that puts in place be connected with relay normally open contact K1, under the proximity switch T2 that puts in place be connected with relay normally open contact K2, relay normally open contact K1, relay normally open contact K2 connect 12V DC source。

When rotary switch T0 forward is connected, ac contactor coil KM1 ' obtains electric, and motor M rotates forward, shutter roll, and when motor M arrives booth top, the proximity switch T1 that above puts in place disconnects；When rotary switch T0 reversely connects, ac contactor coil KM2 ' electric, motor M reverses, shutter last volume, when motor M arrives bottom booth, under the proximity switch T2 that puts in place disconnect。

Greenhouse roller roller shutter control circuit of the present utility model, by by the proximity switch T1 that puts in place be connected with relay normally open contact K1, under the proximity switch T2 that puts in place be connected with relay normally open contact K2, relay normally open contact K1, relay normally open contact K2 connect 12V DC source, when realizing the connection of rotary switch T0 forward, ac contactor coil KM1 ' obtains electric, motor M rotates forward, shutter roll, when rotary switch T0 reversely connects, ac contactor coil KM2 ' obtains electric, and motor M reverses, shutter last volume, improves the safety of control circuit。When motor M arrives booth top, the proximity switch T1 that above puts in place disconnects；When motor M arrives bottom booth, under the proximity switch T2 that puts in place disconnect。Therefore, greenhouse roller roller shutter control circuit safety of the present utility model is high, it can be ensured that perform the personal safety during control operation to shutter manually。

Last it is noted that the foregoing is only preferred embodiment of the present utility model, the amendment made based on this utility model, equivalent replacement, improvement etc., should be included within protection domain of the present utility model。

Claims (1)

1. a greenhouse roller roller shutter control circuit; it is characterized in that, including: three-phase breaker QF, ac contactor contact KM1, ac contactor contact KM2, ac contactor coil KM1 ', ac contactor coil KM2 ', overheat protective relay FR, overheat protective relay switch FR ', relay normally open contact K1, relay normally open contact K2, on put in place proximity switch T1, under put in place proximity switch T2, motor M and rotary switch T0；

Three-phase breaker QF, is connected with live wire L1, L2, L3, for control circuit break-make;

Overheat protective relay FR, for when superheating phenomenon occurs in circuit, switching FR ' and disconnect by overheat protective relay；

On the proximity switch T1 that puts in place be connected with relay normally open contact K1, under the proximity switch T2 that puts in place be connected with relay normally open contact K2, relay normally open contact K1, relay normally open contact K2 connect 12V DC source；

When rotary switch T0 forward is connected, ac contactor coil KM1 ' obtains electric, and motor M rotates forward, shutter roll, and when motor M arrives booth top, the proximity switch T1 that above puts in place disconnects；When rotary switch T0 reversely connects, ac contactor coil KM2 ' electric, motor M reverses, shutter last volume, when motor M arrives bottom booth, under the proximity switch T2 that puts in place disconnect。