CN2439486Y

CN2439486Y - Automatic sun shade awning

Info

Publication number: CN2439486Y
Application number: CN 00230484
Authority: CN
Inventors: 周克实
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-07-25
Filing date: 2000-07-25
Publication date: 2001-07-18
Anticipated expiration: 2010-07-25

Abstract

The utility model discloses a fully automatic sunshade awning. The extension and retraction of the existing sunshade awning is usually controlled by hands, which is very inconvenient. The utility model is provided with a control device 8 for controlling a motor 2 to operate; when the control device senses light or rain, the motor 2 can be controlled to operate, and the sunshade awning can extend out for shading sunlight and rain; when the rain and sunlight do not exist, the control device 8 can control the motor 2 to operate, and the sunshade awning can be retracted. The whole process is fully automatic, and the utility model can also be provided with manual control according to need.

Description

A kind of full-automatic sunshade

The utility model relates to a kind of sunshade that can stretch out automatically or regain.

In daily life, sunshade is in daily use, it both can also can keep off the rain in sunshade, but at present used sunshade often needs it stretch out or regains of hand-guided, and is very inconvenient, when particularly the position of some sunshade installation is higher, hand reaches, just more bother, though can control by the conversion of motor and other parts, but feel inconvenient.Publication number is that 1169924 Chinese utility application discloses a kind of automatic collapsible sunshade for vehicles, it is made up of abat vent coiler device that has drive unit and sky shade traction guiding device, its said control device only is a travel switch, this device does not reach the requirement of automatic control on the one hand, is only applicable to automobile on the other hand.

The purpose of this utility model is that preparation is a kind of when experiencing rainwater or sunshine, can stretch out automatically and all the time according to or stop behind the rain can automatic drawing back sunshade, to overcome the deficiencies in the prior art.

For achieving the above object, the utility model has adopted such measure: a kind of full-automatic sunshade, comprise rack-mount motor, fixing the spool of puggaree one end, rotate the puggaree that stretches out or regain with spool, the outer end of one end and puggaree is fixed, the other end is decided leg and is fixed on the support, moving leg is arranged on the telescopic arm in the chute, on shaft of motor, fixing worm screw, the worm gear engagement that worm screw is fastening with being fixed on the support and end spool, extension spring is installed on the telescopic arm, have on the support or in other suitable position by circuit and motor and join and control the light that includes of motor operation, the water sampling comparison circuit, automatically and the control device of manual switching circuit and motor commutation and running control circuit, one end of the chute on support be provided with move that leg cooperates reach bit switch K2, be fixed on push rod on the support also be provided with cooperate with the switch telescopic arm receive bit switch K1.

Take the utility model of above-mentioned measure, control the running of motor by the sunshade automaton, the light of control device, water sampling comparison circuit are experienced illumination or rainwater, promptly send signal, control device can be controlled motor operation, sunshade is stretched out shelter from heat or light to keep off the rain, when no rain unglazed according to the time, control device can be controlled motor operation, and sunshade is regained.Whole process is full-automatic.The utility model can also be provided with manual state, as required, realizes the control freely that sunshade stretches out or regains by button.

Below in conjunction with drawings and embodiments the utility model is described in further detail:

Fig. 1 is that the utility model stretches out view;

Fig. 2 is the utility model retracted state schematic diagram;

Fig. 3 is the utility model push rod cut-away view;

Fig. 4 is the utility model control device circuit diagram;

Fig. 5 is the circuit diagram of another embodiment of the utility model control device.

As Fig. 1, shown in Figure 2, the utility model is by support 1, motor 2, worm screw 3, worm gear 4, spool 5, puggaree 6, telescopic arm 7, control device 8 is formed, motor 2 is fixed on the support 1, worm screw 3 is being fixed in the rotating shaft of motor 2, worm screw 3 is rotated with motor rotary shaft, be fixed on the worm gear 4 and worm screw 3 engagements of support 1, one end and the worm gear 4 of spool 5 are fixed together, rotate with worm gear 4, spool 5 is connecting an end of puggaree 6, when spool 5 rotates, puggaree 6 can be regained or discharges, the inner end of telescopic arm 7 has 9, one of two legs to decide leg 9-1 to be fixed on the support 1, and another moving leg 9-2 is arranged in the chute 10 on the support 1, can in chute 10, slide up and down, be provided with in chute 10 lower ends and reach bit switch K2, an end of puggaree 6 is being fixed in the outer end of telescopic arm 7, also is provided with extension spring 11 on telescopic arm 7; Push rod 12 is fixed on the support 1, and the structure of push rod 12 has switch telescopic arm 13 and push rod spring 14 as shown in Figure 3; Control device 8 can be fixed on the support 1, also can be fixed on other suitable position; Light resistor R4 and water-sensitive resistance R 2 are fixed on the suitable location that solar ray energy shines and rainwater can drench.The utility model is work like this: Fig. 2 is an original state of the present utility model, at this moment, when if light resistor R4 and water-sensitive resistance R 2 are experienced illumination or rainwater, then control device 8 is just changeing motor 2, worm screw 3 drives worm gear 4 and turns round clockwise, spool 5 also turns round clockwise thereupon puggaree 6 is discharged, this moment, the push rod spring 14 of push rod 12 was extrapolated with switch telescopic arm 13, after switch telescopic arm 13 breaks away from the dead point of retracted state, pulling force by two extension springs 11 continues telescopic arm 7 to stretch out again, when extending out to state shown in Figure 1, the moving leg 9-2 of telescopic arm 7 presses and reaches bit switch K2,2 stalls of control device 8 control motor, the utility model is fixed on state shown in Figure 1; When light resistor R4 and water-sensitive resistance R 2 impressions during less than illumination or rainwater, then control device 8 makes the rotation direction of motor 2 with above-mentioned opposite, puggaree 6 is regained by spool 5, thereby bit switch K1 is received in switch telescopic arm 13 shake-up of regaining compressing push rod 12 when the outer end of telescopic arm 7, thereby then motor 2 stall the utility model are fixed on state shown in Figure 2.

Fig. 4 is the circuit diagram of the utility model control device, as shown in Figure 4, control device 8 by light, water sampling comparison circuit, automatically and manual switching circuit and motor turns to and the control circuit that turns round is formed.Light, water sampling comparison circuit are that resistance R 1, R2, R3, R4, R5, R6 and operational amplifier a1, the a2 of 100 Ω-10M Ω forms by resistance, wherein R2 is a water-sensitive resistance, R4 is light resistor, the positive terminal of two operational amplifier a1, a2 links to each other, and link to each other with the end of resistance R 5, R6, resistance R 1, R2, the end of R3, R4 links to each other with the negative pole of operational amplifier a1, a2 respectively, and the other end of resistance then links to each other with power supply.In this circuit, resistance R 5, R6 provide reference voltage for operational amplifier a1, a2, when water-sensitive resistance R 2 is experienced less than rainwater, operational amplifier a1 output low level, when R2 experienced rainwater, a1 exported high level, and when light resistor R4 experiences less than illumination, operational amplifier a2 output low level, when R4 experienced illumination, a2 exported high level.K switch 3, K4 and switching diode D1, D2 form automatically and manual switching circuit, and the negative terminal of switching diode D1, D2 links to each other with the K3-1 end of K switch 3, and the K3-2 end of K switch 3 links to each other with the lever arm of K switch 4; High or low level by operational amplifier a1, a2 output transmits downwards by K switch 3, is auto state when K3 is the K3-1 state, and high or low level can transmit downwards, is manual state when K3 is the K3-2 state, by the rotation of K switch 4 control motor 2.NAND gate F1, F2, relay J 1, J2, electrodeless electric capacity C1, C2, switching diode D3, D4, resistance R 7, R8 receive bit switch K1, reach bit switch K2 and motor 2 has been formed motor commutation and running circuit; 2 inputs of NAND gate F1 link to each other with the end of capacitor C 1, relay J 2, diode D4, and link to each other with the input of resistance 7, NAND gate F2 by capacitor C 1, the output of NAND gate F1 links to each other with another input of resistance 8, NAND gate F2 by capacitor C 2, and the output of NAND gate F2 links to each other with an end of diode D5 K switch 1, K2 and relay J 1 by diode D3; Work as light, the water sampling comparison circuit is when its output high level, relay J 2 adhesives, motor gets can just be changeed after electric, telescopic arm 7 stretches out, puggaree 6 stretches out thereupon, work as light, the water sampling comparison circuit is when its output low level, motor 2 counter-rotatings, spool 5 rotates and drives puggaree 6 and telescopic arm 7 withdrawals, in this circuit, and NAND gate F1, F2, capacitor C 1, C2, resistance R 7, R8 has also formed a frequency multiplier circuit, as long as light, when the water sampling comparison circuit produces the height saltus step to the level of its input, its high level that produces about 5 seconds is exported, thereby made relay J 1 adhesive, motor 2 gets electric operation, by receiving bit switch K1 or reaching bit switch K2 conducting for relay J 1 provides high level, make J1 continue adhesive after 5 seconds, motor 2 remains in operation.Control device 8 is work like this under auto state: the auto state that at first K switch 3 is pushed K3-1, when if light resistor R4 and water-sensitive resistance R 2 are experienced less than illumination or rainwater, sunshade tarpaulin 6 is in retracted state, receive that bit switch K1 disconnects, motor does not change, when light resistor R2 experiences illumination or rainwater, light, the level saltus step from low to high of water comparison circuit output, frequency multiplier circuit promptly export 5 second the transient state high level, make relay J 2 adhesives, motor 2 is just changeing, telescopic arm 7 drives puggaree 6 and stretches out, and after 5 seconds, frequency multiplier circuit recovers low level output, receive bit switch K1 and reach bit switch K2 and be normally closed switch, to relay J 1 power supply, J1 is adhesive still by them, and motor 2 remains in operation, telescopic arm 7 drives puggaree 6 and continues to stretch out until outermost end, the moving leg 9-2 of telescopic arm 7 touches and reaches bit switch K2 at this moment, and K2 disconnects, and relay J 1 discharges, motor 2 stalls, be state shown in Figure 1 this moment; In like manner, when light resistor R4 and water-sensitive resistance R 2 impressions during less than illumination or rainwater, light, the level of water sampling comparison circuit output produces high to low saltus step, this moment, frequency multiplier circuit produced the transient state high level output about 5 seconds, make relay J 1 adhesive, motor gets electric counter-rotating, spool 5 drives puggaree 6 and telescopic arm 7 is regained, after 5 seconds, the extensive step-down level output of frequency multiplier circuit, by normally closed switch K1, K2 is to relay J 1 power supply J1 adhesive still, and motor 2 continues counter-rotating, and puggaree 6 and telescopic arm 7 continue to be retracted to the outer end compressing switch telescopic arm 13 of telescopic arm 7 and touch and receive bit switch K1, K1 is disconnected, relay J 1 discharges, motor 2 stalls, and be state shown in Figure 2 this moment.Control device 8 is work like this under manual state; Switch is allocated to manual state K3-2, and when K switch 4 was allocated to K4-1, what circuit was exported was high level, when K switch 4 was allocated to K4-2, what circuit was exported was low level, with setting about toggle switch K4, produce the saltus step of high-low level, can repeat said process, sunshade stretches out withdrawal and can control freely.

As shown in Figure 5 be another embodiment of the utility model control device, this embodiment be on embodiment basis shown in Figure 4, increased delay circuit and prevented the position circuit.Delay circuit is made up of operational amplifier a3, resistance R 9, R10, R11 and capacitor C 4, the resistance value scope is 1K-1M Ω, capacitor C 4 is 470 μ f, one end of resistance R 11 and capacitor C 4 links to each other with the positive input terminal of operational amplifier a3, and the end of R9, R10 links to each other with the negative input end of operational amplifier a3.The effect of this circuit is to prevent to make after photosensitive, the water-sensitive resistance in light, the water sampling comparison circuit from being disturbed the saltus step of the high-low level of circuit output moment, the high-low level saltus step of this moment, make capacitor C 4 charge or discharge, needing approximately to delay time just can make operational amplifier a3 export high or low level after 5 seconds, thereby can avoid the influence of instantaneous interference factor.The purpose that increases anti-overpotential circuit is to prevent in motor 2 operation process, and incoming call again after the of short duration power failure makes motor 2 turn round, and causes puggaree 6 sagging or break the phenomenon of puggaree 6.Prevented the position circuit mainly by not gate F4 or the door F5, with the door F6 form, the output of not gate F4 with join with the input of door F6, with another input of door F6 with or the output of door F5 join, join by resistance R 15, triode Q and relay J 2 with the output of door F6.In preventing the position circuit, if the incoming level of not gate F4 is A, or two incoming levels of door F5 are B, C, with the output level of door F6 be F, then they have formed the combinational logic circuit of F=. (B+C), if puggaree 6 is just at retracted state, so, A is a low level, and B is a low level, the F of output is a low level, relay J 2 discharges, and motor 2 counter-rotatings are after withdrawal puts in place, the B variable is owing to the disconnection of receiving bit switch K1 becomes high level, F becomes high level, and relay J 2 presents attracting state, if power behind the instantaneous power failure this moment again, frequency multiplier circuit has unstable saltus step, 2 on motor can be just then puggaree 6 is broken in the position of can not reversing, and makes telescopic arm 7 protruding when motor 2 is just changeing, and switch telescopic arm 13 breaks away from when receiving bit switch K1, the F of output is a low level, relay J 2 discharges, motor 2 counter-rotatings, and this high-low level circulation change process is maintained to till the transient state high level disappearance in 5 seconds of frequency multiplier circuit generation.With should puggaree 6 being when stretching out, A is a low level, B is a low level, C is a high level, so F is a high level, relay J 2 adhesives, motor gets just to be changeed after electric, puggaree 6 stretches out, stretch out put in place after disconnect A and become high level, the F output low level owing to reach bit switch K2, circuit breaker J2 is in release conditions, this moment since other reasons make frequency multiplier circuit that unstable saltus step be arranged, the output of transient state high level is arranged, 2 on motor can reverse and can just not turn over the position puggaree is fallen for 6 times, motor 2 counter-rotatings are regained telescopic arm 7, moving leg 9-2 breaks away from when reaching bit switch K2, and F becomes high level again, relay J 2 adhesives, motor 2 is just changeing, and this high-low level circulation change process is maintained to till the transient state high level disappearance in 5 seconds of frequency multiplier circuit generation.In case cross setting up of position circuit, prevented that the receipts of motor 2 under undesired factor affecting from crossing the position running or extending through the position running, played the effect of protection.

Claims

1. full-automatic sunshade, comprise rack-mount motor, fixing the spool of puggaree one end, rotate the puggaree that stretches out or regain with spool, the outer end of one end and puggaree is fixed, the other end is decided leg and is fixed on the support, moving leg is arranged on the telescopic arm in the chute, it is characterized in that in the rotating shaft of motor (2), fixing worm screw (3), worm screw (3) and the fastening worm gear engagement of the end with spool (5) that is fixed on the support (1), extension spring (11) is installed on the telescopic arm (7), support (1) is provided with by circuit and motor (2) and joins and control the light that includes of motor (2) running, the water sampling comparison circuit, automatically and the control device (8) of manual switching circuit and motor commutation and running control circuit, one end of the chute (10) on support (1) be provided with move that leg (9-2) cooperates reach bit switch K2, be fixed on push rod (12) on the support (1) also be provided with cooperate with switch telescopic arm (13) receive bit switch K1.

2. sunshade according to claim 1, it is characterized in that light, water sampling comparison circuit are that 100 Ω-10M Ω resistance R 1, R2, R3, R4, R5, R6 and operational amplifier a1, a2 form by resistance, wherein R2 is a water-sensitive resistance, R4 is light resistor, the positive terminal of operational amplifier a1, a2 links to each other with the end of resistance R 5, R6 in the circuit, negative pole end links to each other with resistance R 1, R2, R3, R4 one end, and the other end of resistance then links to each other with power supply.

3. sunshade according to claim 1, it is characterized in that automatically and manual switching circuit is made up of K switch 3, K4 and switching diode D1, D2, the negative terminal of switching diode D1, D2 links to each other with the K3-1 end of K switch 3, and the K3-2 end of K switch 3 links to each other with the lever arm end of K switch 4.

4. sunshade according to claim 1, it is characterized in that motor commutation and running control circuit are by NAND gate F1, F2, capacitor C 1, C2, relay J 1, J2, diode D3, D4, D5, resistance R 7, R8, normally closed switch K1, K2 and motor (2) are formed, two inputs of NAND gate F1 and capacitor C 1, relay J 2, the end of diode D4 links to each other, and by capacitor C 1 and resistance R 7, the input of NAND gate F2 links to each other, the output of NAND gate F1 is by capacitor C 2 and resistance R 8, another input of NAND gate F2 joins, and the output of NAND gate F2 is by diode D3 and diode D5, normally closed switch K1, one end of K2 and relay J 1 joins.

5. sunshade according to claim 1, it is characterized in that also having delay circuit in the control device (8), delay circuit is made up of operational amplifier a3, resistance R 9, R10, R11 and capacitor C 4, the resistance value scope is 1K-1M Ω, capacitor C A is 470uf, the end of resistance R 11 and capacitor C A links to each other with the positive input terminal of operational amplifier a3, and the end of resistance R 9, R10 links to each other with the negative input end of operational amplifier a3.

6. sunshade according to claim 1, it is characterized in that preventing in addition in the control device (8) the position circuit, prevented the position circuit mainly by not gate F4 or the door F5, with the door F6 form, the output of not gate F4 with join with the input of door F6, with another input of door F6 with or the output of door F5 join, join by resistance R 15, triode Q and relay J 2 with the output of door F6.