CN2152467Y

CN2152467Y - Remote curtain box

Info

Publication number: CN2152467Y
Application number: CN 93233344
Authority: CN
Inventors: 朱建文; 杨德新
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-02-24
Filing date: 1993-02-24
Publication date: 1994-01-12
Anticipated expiration: 2003-02-24

Abstract

The utility model belongs to a curtain box which is remotely controlled by infrared. The mechanical driving part of the utility model adopts a structure that a motor drives a device with a screw rod and a screw; an infrared emitter which is discrete with a curtain box emits a light signal; an infrared receiver arranged on the curtain box receives the light signal which is converted to an electrical signal, and controls the positive and the reverse rotation of a motor via an actuating mechanism; the screw nut connected with the screw rod moves in opposite direction or back direction, obtaining the purposes of the free opening and the closing of a curtain; the screw net is matched with the motor.

Description

Remote curtain box

The utility model relates to a kind of pelmet, especially a kind of electrically driven curtain box that adopts infra-red remote control.

Light-operated automatic curtain box of the prior art, be to adopt visible light as light pulse signal, its curtain is to be suspended on along on the walking mechanism of guide rail movement, and walking mechanism is connected with motor deceleration device scroll wheel by pull rope, then walking mechanism motion of motor positive and inverse makes curtain open/close.The pelmet defective of this kind structure is: affected by environment bigger with visible light as light pulse signal, cause the curtain misoperation easily.All adopt discrete electric original paper, reliability is low, the fault rate height.Walking mechanism motion be unable to do without guide rail, roller and pull rope, and the operation noise is big, the easy slippage of pull rope and tangling, and influence the flexibility of curtain open/close.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, thereby a kind of employing infra-red remote control is provided, and the transmission walking mechanism adopts feed screw nut's structure, flexible operation, convenience, reliable, the little remote-controlled curtain suspension box of operation noise.

The purpose of this utility model be achieved in that RF transmitter be the individual components discrete with pelmet, by the infrared ray signal of its emission be installed in infrared receiver on the pelmet receive handle after, by the electric actuating mechanism controls motor positive and inverse that is attached thereto, thereby drive the transmission mechanism action that is connected with motor output shaft, thereby realize the folding of curtain.

Above-mentioned transmission mechanism by lead screw device and fixedly the supporting of screw mandrel form.The sleeve of nut engaged and suit with it is housed on screw mandrel, the collar that curtain is installed is housed on nut and sleeve.The collar on the nut can be fixed on the nut by a fagging.

Above-mentioned screw mandrel can adopt two compositions, is left screw mandrel and right screw mandrel, and left and right screw mandrel holds together by adapter sleeve.Be processed with T type left and right hand thread on the left and right screw mandrel respectively, so that when screw mandrel is turned round by driven by motor, nut engaged moved simultaneously in opposite directions or dorsad, and realize the folding of curtain.

RF transmitter of the present utility model and receiver all adopt the peripheral discrete original paper of IC chip and part to constitute its electric part respectively, and the overall structure volume is little, and cost is low, and good reliability also has the automatic spacing function.Mechanical driving part is simple in structure, reliable transmission, and noise is little.

Fig. 1 is the utility model structural representation.Fig. 2 is that the A of Fig. 1 is to partial view.Fig. 3 is the utility model emitter structures schematic diagram.Fig. 4 is the utility model transmitter electrical principle block diagram.Fig. 5 is the utility model transmitter electrical schematic diagram.Fig. 6 is the utility model receiver electrical principle block diagram.Fig. 7 is the utility model receiver electrical schematic diagram.Fig. 8 is the utility model motor part electrical schematic diagram.

Below in conjunction with accompanying drawing the utility model most preferred embodiment is further described: infrared receiver (6), supporting (2), motor (9) are contained on the pelmet box body (3), and box body is contained in desired location by installing plate (1).Be processed with T type left and right hand thread on left and right screw mandrel (4), (8) respectively, two screw mandrels fuse by the adapter sleeve (15) that is contained in the center support bearing hole.The left side screw mandrel other end is contained in the dead eye in the supporting of box body one end, and the right screw mandrel other end then passes the block bearing hole of the box body other end, is connected with motor output shaft by connector (11).One nut engaged (5) and some sleeves (12) that is enclosed within on the screw mandrel with it respectively is housed on left and right screw mandrel.The collar (13) for the peace curtain also is housed on nut and sleeve.For making left and right two width of cloth curtain when closing up, one one overlapped (shaded effect is better) be arranged at the place that heals up, on nut, can also establish a fagging (14), utilize fagging that certain curved shape is arranged in the space, make the certain position that staggers about the collar that is contained on the fagging, to making extension curtain thereon produce a certain amount of overlapping at the place that heals up.

RF transmitter (10) comprises shell, electric control panel and battery, is provided with the key K that advances on the panel of shell ₁, key K falls back ₂With stop key K ₃Electric control panel is provided with a remote control coding integrated chip and the peripheral individual electric original paper of part.Chip internal is integrated with key entry system, clock oscillation system, carrier frequency oscillation circuit, pulse moder, modulator and mu balanced circuit etc.Warp and resistance R ₁-R ₃, capacitor C ₁-C ₆, transistor BG, infrared-emitting diode D form to amplify and electro-optical conversion circuit.

Be equipped with by integrated circuit die I C in the infrared receiver housing ₁, IC ₂With the electric control panel of part individual electric original paper composition and the relay J of electric executing agency ₁, J ₂IC ₁Be the special-purpose receiving chip of an infrared ray, inside is integrated with the preamplifier of high-gain low-noise, circuit such as electronics active filter, demodulator, integrator, reshaper.IC ₂Be decoding chip, inside is integrated with serial input circuit, decoding circuit, output state memory and out-gate circuit etc.Warp and resistance R ₁-R ₉, capacitor C ₁-C ₉, infrared ray receives photosensitive tube D ₁-D ₃, infrared ray emission diode D ₄-D ₅, transistor BG ₁-BG ₈, relay J ₁, J ₂Deng composition opto-electronic conversion, driving, execution, amplification, limiting detection circuit.

The infrared receiving tube D of infrared remote receiver ₂, D ₃, infrared transmitting tube D ₄, D ₅Become to be assembled on the pelmet, their installation site is corresponding with feed screw nut's effective travel position, D ₂, D ₄, and D ₃, D ₅Respectively be one group.On nut, be provided with reflecting piece (7) with above-mentioned infrared transmitting tube and infrared receiving tube cooperating.Reflecting piece can be galvanized sheet or eyeglass.

As need curtain closure, press infrared transmitter K1 key, the chip IC input pin obtains a high level pulse, this pulse is after the coding of the integrated circuit on the chip, modulation etc. are handled, the signal of telecommunication is delivered to driving tube BG, BG then produces enough current drives infrared transmitting tube D, and D converts the electrical signal to the infrared light that changes with modulation signal and is emitted to the space.The infrared receiver tube D of infrared receiver ₁The infrared signal that receives is delivered to chip IC ₁, through IC ₁After the amplification of chip integrated circuit, filtering, demodulation, the shaping, the signal of telecommunication is delivered to chip IC ₂, through IC ₂Output control signal corresponding in decoding back is to BG ₁, make BG ₁Saturation conduction.This moment executing agency relay J ₁Action, the running of motor forward drives the screw mandrel that is attached thereto and rotates, and does translation in opposite directions with left and right screw mandrel nut engaged.Because of casement one end is contained on the collar on the nut, part all is fixing by the collar on the sleeve in addition, and sleeve is to be sleeved on the screw mandrel, does not rotate with screw mandrel.When curtain one end was done translation because of the translation of nut, because of dragging of curtain, sleeve slided on screw mandrel, and cover width of cloth curtain drags the curtain closure thereupon.For curtain is moved steadily, can also between two sleeves, establish the traction attachment, as rope.

After the complete closure of curtain, do not receive order out of service yet, then the infrared transmitting tube D of infrared receiver ₄The emission infrared ray through reflecting piece, reflexes to infrared receiving tube D ₂On.D ₂Internal resistance reduces after receiving infrared signal, and D flows through ₂, R ₈Electric current increase, at R ₈The upper end produce high level.By BG ₃, BG ₄, BG ₅The multiple tube saturation conduction of forming.Chip IC ₂The high potential of output is through R ₄And BG ₃, BG ₄, BG ₅Multiple tube is gone into ground short circuit.BG ₁Because of losing drive current I _b, and end J ₁Discharge, the motor stall, curtain is out of service automatically.

In like manner, when the need curtain opening, press transmitter K2 key, the IC of receiver ₂The output high level is through R ₅Send into BG ₂, BG ₂Saturation conduction, relay J 2 adhesives of executing agency, motor antiport, screw mandrel are to rotation, and curtain moves to opening direction.

Do not cease and desist order if receive yet behind the curtain complete opening, then the infrared transmitting tube D of receiver ₅The emission infrared ray through reflecting piece, reflexes to infrared receiving tube D ₃On.D ₃Internal resistance reduces after receiving infrared signal, BG ₆Base potential raises, by BG ₆, BG ₇, BG ₈The multiple tube conducting of forming is with BG ₂Base stage is clamped down on zero potential, BG ₂End J ₂Discharge, the motor stall, curtain stops to move.

No matter curtain moves and is in which position, which kind of running status motor is in, as long as press the stop key K on the transmitter ₃, receiver IC ₂Output is output low level all, relay J ₁, J ₂All discharge, motor stops operating.In addition, in chip IC ₂, be provided with the output interlock circuit, therefore, IC ₂Can not export two high level simultaneously, relay J ₁, J ₂Then not adhesive simultaneously.

Claims

1, a kind of remote-controlled curtain suspension box, it comprise motor (9), by driven by motor to realize the transmission mechanism of curtain open/close, be contained in optical signal receiver on the pelmet (3), with the discrete optical signal transmitter of pelmet, it is characterized in that transmission mechanism is made up of the supporting (2) of lead screw device and anchoring filament lever apparatus; Optical signal transmitter and optical signal receiver adopt RF transmitter (16) and infrared receiver (6); The executing agency that is contained in the receiver links to each other with motor, controls the rotating of motor according to the signal of telecommunication that receiver is sent, thereby drives the folding that curtain is finished in the lead screw device motion.

2, pelmet according to claim 1, it is characterized in that lead screw device comprise screw mandrel, with screw mandrel nut engaged (5) be sleeved on sleeve (12) on the screw mandrel, the screw mandrel driven by motor also is equipped with the collar (13) that curtain is installed on nut and sleeve.

3, pelmet according to claim 2 is characterized in that screw mandrel is made up of left screw mandrel (4) and right screw mandrel (8), and they connect by the adapter sleeve (15) that is contained in the supporting, are respectively equipped with the left and right T of revolving type screw thread on the left and right screw mandrel.

4, pelmet according to claim 2 is characterized in that the collar on the nut can refill on nut by fagging (14), so that make curtain close fashionable left and right sides curtain a certain amount of front and back overlap joint is arranged.

5, pelmet according to claim 2 is characterized in that nut (5) is provided with reflecting piece (7).

6, pelmet according to claim 1 is characterized in that RF transmitter (10) comprises shell, electric control panel and battery, is provided with the key K1 that advances on the panel of shell, key K2 and stop key 3 fall back.

7, pelmet according to claim 6, the electric control panel that it is characterized in that RF transmitter is provided with remote control coding integrated chip IC and the peripheral individual electric original paper of part, on chip, be integrated with key entry system, clock oscillation system, carrier frequency oscillation circuit, pulse moder, modulator and mu balanced circuit, warp and resistance R ₁-R ₃, capacitor C ₁-C ₆, transistor BG, infrared-emitting diode D form to amplify and electro-optical conversion circuit.

8, pelmet according to claim 1, the phase be characterised in that infrared receiver (6) comprise box body, be contained in the box body by relay J ₁And J ₂Executing agency, the electric control panel of forming, be connected and the discrete infrared transmitting tube D that is installed on the pelmet with the electric control panel circuit ₄, D ₅With infrared receiving tube D ₂, D ₃

9, pelmet according to claim 8 is characterized in that the electric control panel in the infrared remote receiver box body is provided with the special-purpose receiving chip IC of infrared ray ₁, decoding chip IC ₂With the peripheral individual electric original paper of part, IC ₁On be integrated with preamplifier, electronics active filter, demodulator, integrator, reshaper circuit, IC ₂On be integrated with serial input circuit, decoding circuit, output state memory, out-gate circuit, through and resistance R ₁-R ₉, capacitor C ₁-C ₉, infrared ray receives photosensitive tube D ₁-D ₃, infrared emission tube D ₄, D ₅, transistor BG ₁-BG ₈, relay J ₁, J ₂Form opto-electronic conversion, driving, execution, amplification and limiting detection circuit.