CN2213498Y

CN2213498Y - Automatic drawing curtain box

Info

Publication number: CN2213498Y
Application number: CN 95207671
Authority: CN
Inventors: 林星山; 蔡建斌; 钟福生
Original assignee: 林星山
Priority date: 1995-04-08
Filing date: 1995-04-08
Publication date: 1995-11-29
Anticipated expiration: 2005-04-08

Abstract

The automatic drawing curtain box is one electrically controlled curtain opening and closing device comprising box, two curtain box end caps, driving wire wheel, driving rope, sliding rack, etc. One of the curtain box end covers is provided with a control circuit board. The electronic control device is composed of a motor and a control circuit. The rotating wire wheel rotates along with the motor to realize the opening and closing of the curtain.

The utility model discloses an automatic switching of tractive function has increased possibility, stability and persistence. The integration of mechanical design and electronic technology is achieved.

Description

Automatic pull curtain box

The utility model relates to a kind of automatic control by electronic control and realizes the device that curtain opens and closes.

At present, existing pelmet is generally realized the switching and the switching degree of curtain by manual tractive.Extremely other electrodynamic type tractive is to make power turn-on with the mode that fly line overlaps, thereby realizes automatically controlled tractive.Manual tractive is as easy as rolling off a log to make the wearing and tearing of tractive lead, and the time one is of a specified duration, the ineffective problem of tractive occurs.The electronic tractive of fly line bridging type is not owing to have complete circuit control, the unstability on often appearance is controlled and the uncontrollability of switching.In addition, existing pelmet design is box and separates with guide rail, and the control sections such as motor of electrodynamic type curtain are outside naked, and this just causes dangerous and unstable easily.

The purpose of this utility model provides a kind of pelmet of realizing the automatic tractive of curtain by complete electronic circuit mode, and be designed to the integral Al-alloy structure, box and guide rail are integrated, have greatly improved the intensity of product, have overcome the unstability and the unreliability of present existing product.

The purpose of this utility model is achieved in that

The utility model is as a total system, comprises mechanical component such as sliding support on aluminium alloy box body, two pelmet end caps, drive line wheel, transmission rope and the transmission ropes, suspension ring and is positioned on control circuit board in one of them pelmet end cap and electronic-controlled installations such as motor.Motor and drive line wheel all are positioned on the interior gripper shoe of pelmet end cap, drive line wheel and the engagement of motor driving wheel, and the curtain transmission rope is on the drive line wheel.When motor rotated, the motor driving wheel rotated, and drove the drive line wheel, and the transmission rope on the drive line wheel affects thereupon, drives sliding support, realizes the switching of curtain.Electronic-controlled installation is made of motor and control circuit.Control circuit comprises drive circuit and automatic shutter, counting circuit two parts.Drive circuit mainly is made up of transformer, current rectifying and wave filtering circuit, switch etc.After current rectifying and wave filtering circuit was converted to direct current to alternating current, one road power supply machine drove, and automatic shutter, counting circuit are supplied with in another road.Automatic shutter, counting circuit are made of multivibrator NE555, two-monostable flipflop 74HC123 and counter LCL501 etc.Multivibrator is connected with two-monostable flipflop by output end vo v, through 1Q output, enters in the counter again.

Owing to adopt such scheme, realized the timing automatic switching of tractive function, and increased reliability, stability and persistence.The utility model has been accomplished Machine Design and the incorporate perfect adaptation of electronic technology.

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is overall structure figure of the present utility model.

Fig. 2 is drive line wheel and sliding support schematic diagram.

Fig. 3 is motor and the control electronic circuit board connection diagram that the A-A section shows among Fig. 1.

Fig. 4 is the curtain automatically controlled circuit diagram.

1. pelmet end caps, 2. aluminium alloy box bodys, 3. curtain transmission ropes, 4. sliding supports, 5. switches, 6. motors, 7. motor driving wheels, 8. driven pulleys, 9. control circuit boards, 10. gripper shoes, 11. leads, 12. drive lines wheel among the figure

Elaborate below in conjunction with accompanying drawing.

Al-alloy casing 2, closed end cap 1 and be installed in motor 6 in the pelmet, transformer B, control assembly etc. and constitute sealed whole body have greatly improved the intensity of product.

Motor driving wheel 7, motor driven pulley 8 constitute a system with transmission rope 3 and sliding support 4, the power that provides by motor 6 rotates motor driving wheel 7,

drive line wheel

12 and 7 engagements of motor driving wheel, rotate thereupon, thereby curtain transmission rope 3 and sliding support 4 are moved, the curtain of hanging on the tractive sliding support 4 has again been realized the open and close of curtain.

Lead 11 is connected motor with control circuit board 9.On the control circuit board 9 electronic-controlled installation is installed.Alternating current enters motor 6 after circuit conversion is direct current, motor 6 is driven, and drives motor driving wheel 7; The action of switch 5 changes the power supply direction, thereby the pulling pulley is realized the switching of casement.

The principle of the utility model circuit control is: control circuit comprises drive circuit and automatic shutter, counting circuit two parts.The rectification of alternating current by transformer B transformation and transistor Q2 and the filtering of capacitor C 04, C05 obtain the work of 24V powered by direct current machine; Another road obtains the 6V direct current for automatic shutter, counting circuit through the rectification of Q1 and the filtering of C01, C02 etc.Switch 5 comprises button J1, J2 and four contacts.Make when a little contacting with a (this moment switch J2 be in ortho states link to each other with b) when pinning switch J1, electrical power rotates to a direction; When pinning the J2 switch, when making it to communicate with a, because the direction difference that power supply adds, the power of motor tractive is in the other direction.So just realized the switching of curtain.The NE555 circuit constitutes multivibrator, directly the generation time blank signal.This signal square wave is delivered to by in the 74HC123 pair-monostable flipflop circuit simultaneously, and making output IQ by the value of regulating W1, W2 is high level.When switch motion, monostable circuit changes, and makes output IQ become low level, delivers among the counting circuit LCL501, and counter adopts and count, deposits, deciphers, driving, LED demonstration, finishes automatic driving and tally function.

Claims

1, a kind of automatic tractive pelmet, comprise box body, two pelmet end caps, the drive line wheel, sliding support on transmission rope and the transmission rope and suspension ring, it is characterized in that: be equipped with control circuit board (9) in the pelmet end cap (1) therein, control circuit board is equipped with electronic-controlled installation on (9), electronic-controlled installation is made of motor (6) and control circuit, control circuit comprises drive circuit and automatic shutter, counting circuit two parts, motor (6) and drive line wheel (12) all is positioned on the gripper shoe (10) in the pelmet end cap (1), driving wheel (7) engagement of drive line wheel (12) and motor (6), curtain transmission rope (3) is on drive (12).

2, pelmet according to claim 1 is characterized in that: drive circuit mainly is made up of transformer, current rectifying and wave filtering circuit, switch, and rectification filter circuit output end one tunnel connects motor, and another road connects automatic shutter, counting circuit.

3, pelmet according to claim 1, it is characterized in that: automatic shutter, counting circuit are made of multivibrator, two-monostable flipflop and counter, the multivibrator output is connected with two-monostable flipflop, connects through IQ output sum counter.

4, pelmet according to claim 1 is characterized in that: the housing of pelmet is an Al-alloy casing.

5, according to claim 1 or the described pelmet of claim 2, it is characterized in that: switch (5) comprises button J1, J2 and 4 contacts.