CN205756015U - A kind of serving formula roller blind device in greenhouse - Google Patents

Abstract

This utility model relates to greenhouse facilities technical field, particularly relates to the serving formula roller blind device in a kind of greenhouse.The circuit controlling organization of the serving formula roller blind device in greenhouse of the present utility model is for controlling drive mechanism, haulage gear is installed on the rear coping in greenhouse, cable pulling-pushing device and drive mechanism are respectively arranged in the bottom of rear wall, drive mechanism is connected with cable pulling-pushing device, cable pulling-pushing device is sequentially connected with haulage gear and roller shutter by multiple ropes, spreads out or furls in rear coping driving roller shutter to face down along canopy from rear coping by pulling rope；Spacing tactile disconnection that be respectively arranged at two ends with up and down in canopy face is closed.The above-mentioned setting of the serving formula roller blind device in this greenhouse makes the arrangement pitch of rope orderly, appearance can be prevented effectively between rope and be wound around the shop problems such as chaotic, superimposing thread and " interference ", convenient to operate and maintenance, while strengthening job safety, drive mechanism " a tractor serves several purposes " can be realized, production cost can be greatly lowered.

Description

A kind of serving formula roller blind device in greenhouse

Technical field

This utility model relates to greenhouse facilities technical field, particularly relates to the serving formula roller blind device in a kind of greenhouse.

Background technology

Roller shutter machine of solar greenhouse is as the important auxiliary facility of heliogreenhouse, it is possible to reduce heliogreenhouse at cold night Heat scatters and disappears, scope the most suitable needed for canopy room temperature is maintained crop growth, and can solar irradiation by day Time too strong, providing the protection of necessity in order to sunshade or at sleety weather for crop, its important function is self-evident.Existing market Upper shutter of a great variety, mode classification is the most, but can be divided mainly into rearmounted fixing upward-pulling type rolling-screen according to its roller shutter form Machine and canopy face self-propelled shutter two class.

Though two above-mentioned class shutters have superiority but defect is obvious:

(1) rearmounted fixing pull-up greenhouse roller, its work ultimate principle is to rotate roll bar by main frame, and roll bar is wound around Stay cord, under stay cord pulls insulation material, let-down insulation material then to utilize himself weight along the gradient landing of canopy face.Its advantage It is simple in construction, it is simple to realizing, roll bar diameter is little, it is desirable to intensity is low, and materials are few, low cost, to the rigidity requirement of ceiling not Height, can play roller shutter by double-side rolling, and little to roller shutter damage during roller shutter, and the service life of roller shutter is long.But, it has rope and arranges Numerous and diverse, lay-by time is long, particularly easily occurs when kinking " kinking chaotic ", the shop problem such as " superimposing thread ", driving means is consolidated Dingan County is contained in Hou Qiangding, operates inconvenient maintenance, and is easily caused unexpected generation, causes casualties and property loss.

(2) the self-propelled shutter in canopy face, its basic functional principle is to rotate roll bar, roll bar direct pull straw screen or mat by main frame Or insulation quilt, have an advantage in that the most dynamic support of pulling, do not limited by the canopy face gradient, be the most widely used one Plant shutter type.The self-propelled shutter in canopy face compares more rearmounted fixed greenhouse roller, operates relatively simple, eliminates whole The time of reason rope, but its shortcoming is obvious, because decelerator often weight is relatively big, when curtain rolling shaft is walked in canopy face, easily occurs Surprisingly cause canopy face to be collapsed, cause the generation of serious production accident, and roller shutter " position excessively " phenomenon the most easily occurs, lead Cause accident occurs.

In sum, the operation existing for the self-propelled shutter in canopy face and safety issue, former due to its roller shutter form Cause, existing technology and method are difficult to overcome, and compare, and it is empty that rearmounted fixing upward-pulling type rolling-screen machine then exists bigger improvement Between.

Utility model content

(1) to solve the technical problem that

For the situation of above-mentioned background technology, this utility model provides the serving formula roller blind device in a kind of greenhouse, behaviour It is convenient, time saving and energy saving, safe and reliable to make, and has higher work efficiency, it is possible to meet Production requirement.

(2) technical scheme

In order to solve above-mentioned technical problem, this utility model provides the serving formula roller blind device in a kind of greenhouse, including Roller shutter, haulage gear, cable pulling-pushing device, drive mechanism and for controlling the circuit controlling organization of described drive mechanism, described in lead Drawing mechanism and be installed on the rear coping in described greenhouse, described cable pulling-pushing device and drive mechanism are respectively arranged in described rear wall Bottom, described drive mechanism is connected with cable pulling-pushing device, and described cable pulling-pushing device is sequentially connected with haulage gear by multiple ropes And roller shutter, spread out or furl after described driving roller shutter to face down along canopy from rear coping by rope described in pulling On the spool of coping；Spacing tactile disconnection that be respectively arranged at two ends with up and down in described canopy face is closed.

Further, described haulage gear includes remittance line device and multiple wire support, and multiple described wire supports are with multiple Rope one_to_one corresponding is arranged, and is sequentially arranged with preset pitch, is sequentially equipped with pull bar between multiple described wire supports, described Pull bar is horizontally placed on described rear coping；Described remittance line device is fixed on the side of wire support, with will be through described in each After the rope of wire support sequentially arranges, it is connected with described cable pulling-pushing device respectively；

Wherein, the preset pitch between multiple described wire supports meets:

$\frac{32G\sin \mathrm{\α}\×S(\frac{1}{4(n-1)}-\frac{S}{8L})}{{\mathrm{\πD}}^3(1-{\left(\frac{d}{D}\right)}^4)}\≤{\mathrm{\σ}}_S$

The line footpath of described rope meets:

Wherein:

G is the deadweight sum of described roller shutter and spool；

α is the angle in greenhouse booth face and ground；

S is the preset pitch between multiple described wire support；

N is the quantity of described wire support；

L is the total length of described spool；

D is the external diameter of described spool；

D is the internal diameter of described spool；

d_RopeLine footpath for described rope；

σ_SAllowable stress for described spool material therefor；

σ_S' it is the allowable stress of described rope.

Further, described remittance line device includes that housing, wire-crossing wheel and guide roller, described wire-crossing wheel are horizontally placed on housing In, evenly distributed on described wire-crossing wheel have multiple crossed beam trunking being correspondingly arranged with described rope quantity, and described crossed beam trunking is used for Planned orbit is provided, after multiple described ropes pass each crossed beam trunking one by one, by described guide roller and folding and unfolding for each rope Line mechanism connects.

Further, described cable pulling-pushing device includes wire winding pole, leading screw and multiple cable guiding device, and multiple described cable guiding devices are corresponding Being set in outside leading screw, described leading screw is connected with described wire winding pole by gear train transmission, drives described silk by described wire winding pole The rotation of thick stick, to drive multiple described cable guiding device level upwards translation；It is set with outside described wire winding pole and is wound around for described rope Reel, described wire winding pole is also associated with from lock unit, described is respectively arranged at described wire winding pole from lock unit and gear train Two ends.

Further, described gear train includes the first travelling gear and the second travelling gear, described first travelling gear and Second travelling gear is set with outside described leading screw and wire winding pole, described first travelling gear and the engagement of the second travelling gear, To realize being in transmission connection between described leading screw and wire winding pole；

The helical pitch of described leading screw meets:

Described rope is wound around the number of turns on a bobbin and meets:

$N=2\×\frac{W}{\sqrt{{(\mathrm{\π}\×D1)}^2+l^2}}$

Wherein:

n₁The number of teeth for described second travelling gear；

n₂The number of teeth for described first travelling gear；

L is the helical pitch of described leading screw；

W is the width in described canopy face；

D1 is the diameter of described reel；

N is the number of turns that described rope is wound around on a bobbin.

Further, described include that claw, spacer pin and position limited gear, described position limited gear fixed cover are loaded on from lock unit Outside one end of described wire winding pole, described claw is correspondingly arranged with position limited gear by spacer pin, will be blocked by described spacer pin Pawl fixes on position limited gear.

Further, described drive mechanism includes motor and decelerator, and described motor passes through decelerator and retractable cable Mechanism connects, and described decelerator is worm and gear stud wheel decelerator.

Further, described spacing tactile disconnection pass includes the first limit switch and the second limit switch, described first spacing Switch and the second limit switch are separately positioned on the two ends up and down in described canopy face, during to determine the retracting of described roller shutter respectively and to spread out Extreme position.

Further, described circuit controlling organization includes A.C. contactor, fuse and first control circuit, described exchange Catalyst includes the first main contact, the second main contact, the first auxiliary contact, the second auxiliary contact, first coil and the second coil；

Described first control circuit includes the governor circuit that is connected in series and controls loop, described governor circuit and controlling back Being in series with parking between road and touch bit switch, described control loop includes that the rotating forward being connected in parallel controls loop and reversion controls back Road；

Described governor circuit includes described first main contact, the second main contact, fuse and motor, and described first is main tactile Head and the second main contact are in parallel, and the two ends of described first main contact after parallel connection and the second main contact are touched position open with being stopped respectively Close and fuse is connected, described fuse and motor in series, one end ground connection of described motor；

Described rotating forward controls the first auxiliary contact and the first coil that loop includes being connected in series, described first auxiliary contact Two ends be parallel with first and touch bit switch, be in series with the second self-locking the most respectively between described first auxiliary contact and first coil and open Close and the first limit switch；

Described reversion controls the second auxiliary contact and the second coil that loop includes being connected in series, described second auxiliary contact Two ends be parallel with second and touch bit switch, be in series with the first self-locking the most respectively between described second auxiliary contact and the second coil and open Close and the second limit switch；

Described first self-lock switch is for locking the described first open and-shut mode touching bit switch；

Described second self-lock switch is for locking the described second open and-shut mode touching bit switch.

(3) beneficial effect

Technique scheme of the present utility model has the advantages that the serving formula volume in greenhouse of the present utility model The circuit controlling organization of curtain device is used for controlling drive mechanism, and haulage gear is installed on the rear coping in greenhouse, wire rewinding and paying off machine Structure and drive mechanism are respectively arranged in the bottom of rear wall, and drive mechanism is connected with cable pulling-pushing device, and cable pulling-pushing device is by multiple Rope is sequentially connected with haulage gear and roller shutter, with by pulling rope drive roller shutter face down along canopy from rear coping spread out, Or furl on the spool of rear coping；Spacing tactile disconnection that be respectively arranged at two ends with up and down in canopy face is closed.The volume in this greenhouse The above-mentioned setting of rope type roller blind device makes the arrangement pitch of rope orderly, it is possible to is prevented effectively between rope appearance and is wound around mixed Disorderly, the shop problem such as superimposing thread and " interference ", it is simple to operate and overhaul；This device can also realize double self-locking function, prevent because of Roller shutter is overweight and occurs that self-locking was lost efficacy and causes loss of personal property, and can realize " a tractor serves several purposes " of drive mechanism；This device Load and the loss of decelerator can also be effectively reduced, reduce production cost, increase the service life；Additionally, the roller shutter of this device N-trans-stopping can be carried out control, and realize safety feedback control by arranging spacing tactile disconnection pass.

Accompanying drawing explanation

Fig. 1 is the structural representation of the roller blind device of the embodiment of the present invention；

Fig. 2 is the structural representation of the haulage gear of the embodiment of the present invention；

Fig. 3 is the front view of the haulage gear of the embodiment of the present invention；

Fig. 4 is the external structure schematic diagram of the take-up and pay-off device of the embodiment of the present invention；

Fig. 5 is the internal structure schematic diagram of the take-up and pay-off device of the embodiment of the present invention；

Fig. 6 is the transmission diagram of the driving means of the embodiment of the present invention；

Fig. 7 is the circuit structure diagram of the first control circuit of the embodiment of the present invention；

Wherein；1, spool；2, spacing tactile disconnection is closed；3, wire support；4, roller shutter；5, pull bar；6, remittance line device；7, rope； 8, Hou Qiang；9, cable pulling-pushing device；10, shaft coupling；11, decelerator；12, motor；13, pedestal；14, clamshell；15, guide rod；16、 First travelling gear；17, the second travelling gear；18, leading screw；19, wire winding pole；20, cable guiding device；21, reel；22, claw； 23, spacer pin；24, position limited gear；KM1-1, the first main contact；KM1-2, the first auxiliary contact；KM1-3, first coil；KM2- 1, the second main contact；KM2-2, the second auxiliary contact；KM2-3, the second coil；SQ1, the first limit switch；SQ2, second spacing Switch；Bit switch is touched in SB1, parking；SB2, first touch bit switch；SB2 ', the first self-lock switch；SB3, second touch bit switch； SB3 ', the second self-lock switch.

Detailed description of the invention

With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.Following example are used for The present invention is described, but can not be used for limiting the scope of the present invention.

As shown in Fig. 1～Fig. 7, the roller of greenhouse of the present embodiment offer and control circuit thereof.

In the present embodiment, the roller shutter 4 of roller blind device is arranged on the canopy face in greenhouse, and can the top down from canopy face spread Opening or bottom up retracting from canopy face, drive mechanism is connected with roller shutter 4, spreads out or furls controlling roller shutter 4, canopy face Top and bottom are respectively provided with limited location and touch disconnection pass 2, it is possible to realize automatically controlling drive mechanism operating, to control roller shutter 4 Spread out and coiling process, determine that roller shutter 4 furls and spreads out by being arranged on the spacing tactile disconnection pass 2 at top, canopy face and bottom Extreme position.

This roller blind device is discussed in detail by the following examples.

As it is shown in figure 1, the roller blind device of the present embodiment include roller shutter 4, haulage gear, cable pulling-pushing device 9, drive mechanism and For controlling the circuit controlling organization of drive mechanism, haulage gear is installed on the top of the rear wall 8 in greenhouse, cable pulling-pushing device 9 He Drive mechanism is respectively arranged in the bottom of rear wall 8, and drive mechanism is connected with cable pulling-pushing device 9, and cable pulling-pushing device 9 is by multiple ropes Rope 7 is sequentially connected with haulage gear and roller shutter 4, to drive roller shutter 4 from the top of rear wall 8 along canopy towards lower berth by pulling rope 7 Open or furl on the spool 1 at the top of rear wall 8；Canopy face be respectively arranged at two ends with spacing tactile disconnection pass 2 up and down, preferably limit Position is touched disconnection pass 2 and is included the first limit switch SQ1 and the second limit switch SQ2, the first limit switch SQ1 and the second limit switch SQ2 is separately positioned on the two ends up and down in canopy face, to determine extreme position when roller shutter 4 furls and spreads out respectively.

As shown in Figure 2 and Figure 3, the haulage gear of the present embodiment includes remittance line device 6 and multiple wire support 3, and multiple wires prop up Frame 3 is arranged with multiple rope 7 one_to_one corresponding, and is sequentially arranged with preset pitch, is sequentially equipped with and draws between multiple wire supports 3 Bar 5, pull bar 5 is horizontally placed on the top of rear wall 8；The line device 6 that converges is fixed on the side of wire support 3, with will be through each wire After the rope 7 of support 3 sequentially arranges, it is connected with cable pulling-pushing device 9 respectively.

In the present embodiment, the line device 6 that converges includes clamshell 13, wire-crossing wheel and guide roller, and wire-crossing wheel is horizontally placed in clamshell 13, Evenly distributed on wire-crossing wheel have multiple crossed beam trunking being correspondingly arranged with rope 7 quantity, and crossed beam trunking is for providing for each rope 7 Planned orbit, after multiple ropes 7 pass each crossed beam trunking one by one, is connected with cable pulling-pushing device 9 by guide roller.

I other words, roller shutter 4 is drawn by multiple ropes 7 and rises along the surface in canopy face, and rope 7 is through multiple wire support 3 quilts Being directed to, above a remittance line device 6, rope 7 is respectively directed to planned orbit, prevent rope yarn and be wound around staggered, impact is made Industry；Being arranged in the most uniformly by wire support 3 on rear wall 8, the line device 6 that converges then is typically placed in rear wall 8 interposition Put, be preferably positioned at the position of the centre corresponding with multiple wire supports 3；After rope 7 passes wire support 3, it is then passed through remittance line Device 6, is drawn on the cable pulling-pushing device 9 on ground, and the end of a thread is fixed on the reel 21 of cable pulling-pushing device 9.

Concrete, the roller shutter 4 of heliogreenhouse is drawn by many ropes 7, rolled-up along canopy face, and one end bolt of rope 7 exists On pull bar 5, rope 7, through wire support 3, is directed to remittance line device 6, and the guide roller in line device 6 that converges is the staggered row of isosceles trapezoid Cloth, it is possible to effectively prevent rope 7 from interfering situation in distraction procedure.By wire support 3, converge what line device 6 was formed Cable traction structure, can be respectively directed to rope 7 on planned orbit, be effectively prevented drag rope 7 occur to be wound around staggered, Produce the phenomenons such as interference and affect sunlight greenhouse curtain rolling operation.

Wherein, in order to ensure the structural strength arranging the spool 1 that can meet roller shutter 4 of multiple wire supports 3, multiple described Preset pitch between wire support 3 meets:

$\frac{32G\sin \mathrm{\α}\×S(\frac{1}{4(n-1)}-\frac{S}{8L})}{{\mathrm{\πD}}^3(1-{\left(\frac{d}{D}\right)}^4)}\≤{\mathrm{\σ}}_S$

In order to ensure that rope 7 meets requirement of strength, the line footpath of rope 7 meets:

Wherein:

G is the deadweight sum of described roller shutter 4 and spool 1；

α is the angle in greenhouse booth face and ground；

S is the preset pitch between multiple described wire support 3；

N is the quantity of described wire support 3；

L is the total length of described spool 1；

D is the external diameter of described spool 1；

D is the internal diameter of described spool 1；

d_RopeLine footpath for described rope 7；

σ_SAllowable stress for described spool 1 material therefor；

σ_S' it is the allowable stress of described rope 7.

It is directed to existing rearmounted fixed roller shutter 4 machine because drag rope 7 cannot well be limited, at retractable line Shi Rongyi occurs that coiling is chaotic, the shop problem such as " superimposing thread ", arranges to get up to take time and effort, and has that the biggest operation is dangerous etc. asks Topic, devises the cable pulling-pushing device 9 of the present embodiment.

As shown in Figure 4, Figure 5, this cable pulling-pushing device 9 includes wire winding pole 19, leading screw 18 and multiple cable guiding device 20, multiple wires Device 20 correspondence is set in outside leading screw 18, and leading screw 18 is connected with wire winding pole 19, by wire winding pole 19 band movable wire by gear train transmission The rotation of thick stick 18, to drive multiple cable guiding device 20 level upwards translation；The coiling being wound around for rope 7 it is set with outside wire winding pole 19 Cylinder 21, wire winding pole 19 is also associated with, from lock unit, being respectively arranged at the two ends of wire winding pole 19 from lock unit and gear train.

Gear train includes the first travelling gear 16 and the second travelling gear 17, the first travelling gear 16 and the second travelling gear 17 are set with outside leading screw 18 and wire winding pole 19, and the first travelling gear 16 and the second travelling gear 17 engage, to realize leading screw Being in transmission connection between 18 and wire winding pole 19.

Owing to the output shaft of the reductor of drive mechanism is consolidated with the wire winding pole 19 in cable pulling-pushing device 9 by shaft coupling 10 Linkage, wire winding pole 19 drives the rotation of leading screw 18 while rotating coiling by gear transmission mode, and supporting with leading screw 18 , the cable guiding device that has identical screw thread inner ring 20 because leading screw 18 transmission and the restriction of guide rod 15, that can only do in horizontal direction is flat Dynamic.

The multiple ropes 7 introduced by remittance line device 6 are each passed through the aperture on cable guiding device 20, and each the end of a thread is separately fixed at On reel 21, multiple ropes 7 are jointly wrapped on reel 21 and carry out winding operation, and the most multiple ropes 7 also can be at wire Under the restriction of the coiling aperture of device 20, make the movement in horizontal direction, consequently, it is possible to rope 7 will be pressed on reel 21 surface Sequentially it is wound around according to certain interval, thus avoids " superimposing thread ", the shop problem such as " coiling chaotic ".

Cable pulling-pushing device 9, when retractable cable, need to meet certain matching requirements, just can avoid the occurrence of superimposing thread.Wire winding pole 19 Number of teeth n is selected respectively with the gear of leading screw 18₁And n₂, modulus is the gear of m, and gear ratio is n₁: n₂.Reel 21 now Per revolution, leading screw 18 also turning collar n₂/n₁, cable guiding device 20 moves horizontally n₂/n₁Individual helical pitch, so now need only rope 7 Line footpath is less than n₂/n₁The distance of the helical pitch size of individual leading screw 18, can avoid superimposing thread, i other words:

The helical pitch of the leading screw 18 of the present embodiment meets:

Rope 7 is wrapped in the number of turns on reel 21 and meets:

$N=2\×\frac{W}{\sqrt{{(\mathrm{\π}\×D1)}^2+l^2}}$

Wherein:

d_RopeLine footpath for rope 7；

n₁It it is the number of teeth of the second travelling gear 17；

n₂It it is the number of teeth of the first travelling gear 16；

L is the helical pitch of leading screw 18；

W is the width in canopy face；

D1 is the diameter of reel 21；

N is the number of turns that rope 7 is wrapped on reel 21.

So cable guiding device 20 is after take-up terminates, move horizontally the distance of N × l altogether, thus between four cable guiding devices 20 between Every interference being caused to prevent to produce the shop problem of " superimposing thread " because spacing is too small, the spiral shell of whole leading screw 18 more than N × l Stricture of vagina length is the quantity of cable guiding device 20 more than n × N × l, n, is also the quantity of wire support 3 correspondence.

The appearance of cable pulling-pushing device 9, equipped with clamshell 13, on the one hand prevents sleety weather and external factor from causing coiling dry Disturbing, on the other hand can prevent the medicated clothing of user or limbs are involved by rope 7, cause the personal injury of user, wire props up Frame 3 and the line device 6 that converges also have similar structures, act on the most similar, all as a kind of safety protection structure.

Cable pulling-pushing device 9 is provided with from lock unit, includes claw 22, spacer pin 23 and position limited gear from lock unit 24, position limited gear 24 fixed cover is loaded on outside one end of wire winding pole 19, and claw 22 sets by spacer pin 23 is corresponding with position limited gear 24 Put, claw 22 is fixed on position limited gear 24 by spacer pin 23.

Preferably, the output shaft on the another side relative with gear train of cable pulling-pushing device 9 passes through to be bonded be connected to one Individual position limited gear 24, one claw 22 of supporting installation and spacer pin 23, after retractable cable has worked, claw 22 clamping can be limited Position gear 24, pushes against with spacer pin 23, in order to realize self-locking.

During use, because the reductor that drive mechanism is used is worm and gear stud wheel reductor, himself have certainly Lock function, when roller shutter 4 spread out or furl work complete time, cable pulling-pushing device 9 realizes self-locking, so that it may by reductor and friendship Stream motor 12 is pulled down, and works in order to the folding and unfolding roller shutter 4 of next warmhouse booth, it is achieved " a tractor serves several purposes ", reduces production cost, When roller shutter 4 needs to put down, then reductor is loaded onto, extract spacer pin 23 out, push claw 22 aside, can be energized greenhouse rolling blind 4 Put down, self-locking can be carried out again after putting down stuck, simple to operation.

In the drive mechanism of traditional greenhouse rolling blind 4 machine, reductor, in order to realize bigger gear ratio, generally uses straight-tooth Wheel multi-stage speed-reducing transmission, its structure is complicated, body is heavy, and this kind of drive can cause the huge abrasion of travelling gear, The life-span of reductor is the longest, and because the simplest Spur Gear Driving slows down, does not possess auto-lock function, and personnel were operating Cheng Zhong, as reasons such as misoperations, causes loss of personal property, the most dangerous；And there is the worm gear of auto-lock function Worm decelerating machine is the most often because bigger gear ratio needs cannot be realized, it is impossible to use.

In order to make the drive mechanism of the present embodiment meet the gear ratio requirement of roller blind device, as shown in Figure 6, drive mechanism bag Including motor 12 and decelerator 11, motor 12 is connected with cable pulling-pushing device 9 by decelerator 11, and decelerator 11 is worm and gear Stud wheel decelerator.

In the drive mechanism of the present embodiment, decelerator 11 uses worm and gear stud wheel decelerator, uses worm and gear post Gear reduction unit, primary transmission uses Worm Wheel System, connects with power intake, can be effectively increased transmission efficiency, and two Level transmission uses gear drive, connects can effectively reduce power transmission loss, in the kind of drive with clutch end (load end) The advantage having worm-gear speed reducer and Column gear transmission concurrently, is realizing auto-lock function, it is ensured that while work safety, it is achieved that The roller blind device needs to relatively big speed ratio, and the overall structure of the drive mechanism of the present embodiment is compacter, simply, uses Light, in running, gear wear mild degree, operate steadily, vibration, noise little, service life is long, its drive path For: motor 12--shaft coupling 10--worm and gear stud wheel reductor--shaft coupling 10--wire winding pole 19.

For the ease of the control to motor 12, the side that the circuit controlling organization of the present embodiment is controlled by low-voltage electrical apparatus Formula directly controls forward and backward and the stall of motor 12, simple to operate and facilitate implementation.Additionally, due in the present embodiment, pass through In the Upper-lower Limit position of the roller shutter 4 along canopy face apparent motion respectively plus the first limit switch SQ1 and the second limit switch SQ2, and be respectively connected to control in loop, and form feedback closed loop control loop, and the first limit switch SQ1 and second limit The cooperation motor 12 that is installed as of bit switch SQ2 is dismantled, and is equally set to detachable, can tear open at any time from control loop Lower or load, do not affect it and use, accomplish " with insert with pull out with " simple and convenient.

Concrete, the circuit controlling organization of the present embodiment includes A.C. contactor, fuse and first control circuit, exchange Catalyst includes the first main contact KM1-1, the second main contact KM2-1, the first auxiliary contact KM1-2, the second auxiliary contact KM2- 2, first coil KM1-3 and the second coil KM2-3；As it is shown in fig. 7, first control circuit include the governor circuit that is connected in series and Control loop, being in series with parking between governor circuit and control loop and touching bit switch SB1, control loop and include just being connected in parallel Turn and control loop and reversion controls loop, by using the low-voltage electrical apparatuses such as common A.C. contactor, fuse to realize electronic The control of machine 12 action, control mode facilitates implementation, and operating reliability is high, the first limit switch SQ1 and the second limit switch SQ2 It is to touch to disconnect and closes, the effect realizing automatic stopping and position limitation protection, and circuit can be directly accessed in first control circuit Design mechanical electric combines interlocking, and safety is high.

Wherein, governor circuit includes the first main contact KM1-1, the second main contact KM2-1, fuse and motor 12, the One main contact KM1-1 and the second main contact KM2-1 is in parallel, and the first main contact KM1-1 after parallel connection and the second main contact KM2-1 Two ends touch bit switch SB1 and fuse connect with stopping respectively, fuse is connected with motor 12, a termination of motor 12 Ground.

Rotating forward and control the first auxiliary contact KM1-2 and first coil KM1-3 that loop includes being connected in series, the first auxiliary is touched The two ends of head KM1-2 are parallel with first and touch bit switch SB2, also distinguish between the first auxiliary contact KM1-2 and first coil KM1-3 It is in series with the second self-lock switch SB3 ' and the first limit switch SQ1.

Reversion controls the second auxiliary contact KM2-2 and the second coil KM2-3 that loop includes being connected in series, and the second auxiliary is touched The two ends of head KM2-2 are parallel with second and touch bit switch SB3, also divide between the second auxiliary contact KM2-2 and the second coil KM2-3 It is not in series with the first self-lock switch SB2 ' and the second limit switch SQ2.

First self-lock switch SB2 ' touches the open and-shut mode of bit switch SB2 for locking first, and the second self-lock switch SB3 ' uses The open and-shut mode of bit switch SB3 is touched in locking second.

When needs motor 12 rotates forward: press first and touch bit switch SB2 so that the energising of first coil KM1-3 and self-locking, I.e. automatically, trigger and be automatically locked as normally opened shape by normally off with the first the first self-lock switch SB2 ' touching bit switch SB2 linkage State, to ensure that reversion controls loop and is locked as off state all the time, and to trigger the first auxiliary contact KM1-2 and first main tactile simultaneously Head KM1-1 Guan Bi, thus ensure that rotating forward control loop lock is channel status and the startup of motor 12 forward, drives roller shutter dress Putting work, roller shutter 4 is received along canopy roll and is risen；When roller shutter 4 meets the first limit switch SQ1, the first limit switch SQ1 is by normally closed State switches to normally open, then rotate forward and control loop disconnection so that the power-off of first coil KM1-3, then the first main contact KM1-1 The most automatically disconnecting with the first auxiliary contact KM1-2, motor 12 is out of service.

When needs motor 12 inverts: press second and touch bit switch SB3 so that the second coil KM2-3 energising and self-locking, I.e. automatically, trigger and be automatically locked as normally opened shape by normally off with the second the second self-lock switch SB3 ' touching bit switch SB3 linkage State, to ensure that rotating forward control loop is locked as off state all the time, and to trigger the second auxiliary contact KM2-2 and second main tactile simultaneously Head KM2-1 Guan Bi, thus ensure that rotating forward control loop lock is channel status and motor 12 reverse starting, drives roller shutter dress Putting work, roller shutter 4 spreads out along canopy face and puts down；When roller shutter 4 meets the second limit switch SQ2, the second limit switch SQ2 is by normally closed State switches to normally open, then reversion controls loop disconnection so that the second coil KM2-3 power-off, then the second main contact KM2-1 The most automatically disconnecting with the second auxiliary contact KM2-2, motor 12 is out of service.

In order to be easy to control the drive mechanism work of roller blind device further, the circuit controlling organization of the present embodiment includes continuing Electrical equipment, controller and second control circuit, Control uses signal self-locking manner, the wireless signal control that controller is launched The folding of relay processed, thus control motor 12 and work.

The roller blind device of the present embodiment and the work process of control system are as follows: the canopy according to object greenhouse is long, calculates The quantity of required wire support 3, by it according to the spacing calculated, by the mode of cement consolidation screw, mounting arrangements is in greenhouse Rear wall 8 on, pull bar 5 is fixed by the way of particular bore position bottom wire support 3, and one end of multiple ropes 7 is passed through bolt The mode connect is fixedly arranged on pull bar 5, is neatly laid on canopy face by multiple ropes 7, is manually transported to by roller shutter 4 on rear wall 8, will volume One end bolt of curtain 4 is fixed on rear wall 8, is then laid on canopy face, and the other end at roller shutter 4 bolts spool 1, by rope 7 The other end through wire support 3 and converge the wire-crossing wheel in line device 6 and guide roller, rope 7 is towed on cable pulling-pushing device 9, Rope 7, by the cable guiding device 20 in cable pulling-pushing device 9, is fixed on reel 21 by the way of bolt, and every rope 7 depends on Secondary such operation, the pedestal 13 of cable pulling-pushing device 9 fixes on the ground with fot screw, by decelerator 11 by shaft coupling 10 with The power shaft of cable pulling-pushing device 9 i.e. wire winding pole 19 consolidates, then motor 12 is preferably ac motor 12 again by shaft coupling The mode of device 10 is connected with decelerator 11, and screen for hothouse 4 uses direct Non-follow control here, and the roller shutter 4 on canopy face limits Position fixedly mounts spacing tactile disconnection pass 2, and is respectively connected in first control circuit and second control circuit.

Realizing the trans-control that stops n-to motor 12 by first control circuit, close knife-like switch QS, presses first and touches Bit switch SB2, can realize motor 12 forward and start, drive wire winding pole 19 in cable pulling-pushing device 9 to rotate by decelerator 11, Reel 21 starts coiling, the first travelling gear 16 and the second travelling gear 17 by bonded respectively with wire winding pole 19 and leading screw 18 consolidations, power is delivered to leading screw 18 by the engagement of the first travelling gear 16 and the second travelling gear 17 and is allowed to rotate, Now leading screw 18 upper conductor device 20 is due to leading screw 18 transmission and the common effect of guide rod 15, can only do translation in horizontal direction, as This, can drive rope 7 also to do and do translation in horizontal direction along leading screw 18, and such rope 7 is realizing winding reel 21 Simultaneously, it is achieved the translation of horizontal direction, it is to avoid the shop problem such as " coiling is chaotic ", " superimposing thread "；Rope 7 is by roller shutter 4 pull-up, when arriving When reaching defined position, when spool 1 is pressed onto the spacing tactile disconnection pass 2 that is first limit switch SQ1 of defined position, corresponding first First limit switch SQ1 of control circuit automatically powers off, and owing to decelerator 11 is worm and gear post decelerator 11, has self-locking and makees With, roller shutter 4 is parked in current location, now can be extracted by the spacer pin 23 on cable pulling-pushing device 9, claw 22 is blocked limiting tooth Wheel 24, then spacer pin 23 insertion is pushed against claw 22, owing to position limited gear 24 is consolidated, the most in fact with wire winding pole 19 by bonded Self-locking on existing cable pulling-pushing device 9；Now decelerator 11 and motor 12 can be pulled down for the next one from cable pulling-pushing device 9 The roller shutter 4 in greenhouse works, it is achieved " a tractor serves several purposes ", to reduce production cost.

If roller shutter 4 need to be put down, motor 12 and decelerator 11 can be reconnected, extract spacer pin 23, by claw 22 times Arrive original position again, be inserted into spacer pin 23, prevent claw 22 from sliding, access upper and lower spacing spacing tactile disconnection pass 2, then Close knife-like switch QS, presses second and touches bit switch SB3, and motor 12 inverts, and drives cable pulling-pushing device 9 to put by decelerator 11 Line, roller shutter 4 is transferred under gravity and is spread out, and when spreading out to lower limit position, spool 1 is pressed onto spacing the touching of lower limit position and breaks Switch 2 that is second limit switch SQ2, the second limit switch SQ2 in its corresponding first control circuit, it is achieved automatically power off, this Time can be when take-up, by cable pulling-pushing device 9 self-locking, then motor 12 and decelerator 11 are pulled down, go to realize other temperature The setting-out work of room booth, if being in an emergency in retractable cable operation, can press the timely power-off of emergency stop switch, it is ensured that Safety, roller shutter 4, when furling and spreading out, needs to install cable pulling-pushing device 9 clamshell 13, to ensure production operation safety.

In sum, the circuit controlling organization of the serving formula roller blind device in the greenhouse of the present embodiment is for controlling driving machine Structure, haulage gear is installed on the rear coping in greenhouse, and cable pulling-pushing device and drive mechanism are respectively arranged in the bottom of rear wall 8, Drive mechanism is connected with cable pulling-pushing device 9, and cable pulling-pushing device 9 is sequentially connected with haulage gear and roller shutter 4 by multiple ropes 7, with Drive roller shutter 4 to face down from the top Yan Peng of rear wall 8 by pulling rope 7 and spread out or furl the spool at the top in rear wall 8 On 1；Canopy face be respectively arranged at two ends with spacing tactile disconnection pass 2 up and down.The above-mentioned setting of the serving formula roller blind device in this greenhouse makes The arrangement pitch obtaining rope 7 is orderly, it is possible to is prevented effectively between rope 7 and occurs that being wound around the operations such as chaotic, superimposing thread and " interference " asks Topic, it is simple to operate and overhaul；This device can also realize double self-locking function, prevents occurring that self-locking was lost efficacy because roller shutter 4 is overweight Cause loss of personal property, and " a tractor serves several purposes " of drive mechanism can be realized；This device can also effectively reduce decelerator 11 Load and loss, reduce production cost, increase the service life；Control additionally, the roller shutter 4 of this device can carry out n-trans-stopping System, and realize safety feedback control by arranging the spacing tactile pass 2 that disconnects.

Embodiment of the present utility model is given for the sake of example and description, and is not exhaustively or to incite somebody to action This utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art See.Selecting and describing embodiment is in order to principle of the present utility model and actual application are more preferably described, and makes this area Those of ordinary skill it will be appreciated that this utility model thus design is suitable to the various embodiments with various amendments of special-purpose.

Claims (9)

1. the serving formula roller blind device in a greenhouse, it is characterised in that include roller shutter, haulage gear, cable pulling-pushing device, driving Mechanism and for controlling the circuit controlling organization of described drive mechanism, described haulage gear is installed on the top of the rear wall in described greenhouse Portion, described cable pulling-pushing device and drive mechanism are respectively arranged in the bottom of described rear wall, described drive mechanism and cable pulling-pushing device Connecting, described cable pulling-pushing device is sequentially connected with haulage gear and roller shutter by multiple ropes, to be driven by rope described in pulling Roller shutter faces down along canopy from rear coping and spreads out or furl on the spool of described rear coping；Described canopy face upper Under be respectively arranged at two ends with spacing tactile disconnect close.

The serving formula roller blind device in greenhouse the most according to claim 1, it is characterised in that described haulage gear includes converging Line device and multiple wire support, multiple described wire supports arrange with multiple rope one_to_one corresponding, and sequentially set with preset pitch Putting, be sequentially equipped with pull bar between multiple described wire supports, described pull bar is horizontally placed on described rear coping；Described remittance Line device is fixed on the side of wire support, with by after each described, the rope of wire support sequentially arranges, respectively with described Cable pulling-pushing device connects；

Wherein, the preset pitch between multiple described wire supports meets:

$\frac{32Gsin\mathrm{\α}\×S(\frac{1}{4(n-1)}-\frac{S}{8L})}{{\mathrm{\πD}}^3(1-{\left(\frac{d}{D}\right)}^4)}\≤{\mathrm{\σ}}_S$

The line footpath of described rope meets:

Wherein:

G is the deadweight sum of described roller shutter and spool；

α is the angle in greenhouse booth face and ground；

S is the preset pitch between multiple described wire support；

N is the quantity of described wire support；

L is the total length of described spool；

D is the external diameter of described spool；

D is the internal diameter of described spool；

d_RopeLine footpath for described rope；

σ_SAllowable stress for described spool material therefor；

σ_S' it is the allowable stress of described rope.

The serving formula roller blind device in greenhouse the most according to claim 2, it is characterised in that described remittance line device includes shell Body, wire-crossing wheel and guide roller, described wire-crossing wheel is horizontally placed in housing, on described wire-crossing wheel evenly distributed have multiple and described The crossed beam trunking that the quantity of rope is correspondingly arranged, described crossed beam trunking is for providing planned orbit, multiple described ropes for each rope After passing each crossed beam trunking one by one, it is connected with cable pulling-pushing device by described guide roller.

The serving formula roller blind device in greenhouse the most according to claim 2, it is characterised in that described cable pulling-pushing device includes Wire winding pole, leading screw and multiple cable guiding device, multiple described cable guiding device correspondences are set in outside leading screw, and described leading screw passes through gear train transmission Be connected with described wire winding pole, by described wire winding pole drive described leading screw rotation, with drive multiple described cable guiding device level to Upper translation；Being set with the reel being wound around for described rope outside described wire winding pole, described wire winding pole is also associated with from lock unit, The described two ends being respectively arranged at described wire winding pole from lock unit and gear train.

The serving formula roller blind device in greenhouse the most according to claim 4, it is characterised in that described gear train includes first Travelling gear and the second travelling gear, described first travelling gear and the second travelling gear are set with in described leading screw and coiling Outside bar, described first travelling gear and the engagement of the second travelling gear, to realize being in transmission connection between described leading screw and wire winding pole；

The helical pitch of described leading screw meets:

Described rope is wound around the number of turns on a bobbin and meets:

$N=2\×\frac{W}{\sqrt{{(\mathrm{\π}\×D1)}^2+l^2}}$

Wherein:

n₁The number of teeth for described second travelling gear；

n₂The number of teeth for described first travelling gear；

L is the helical pitch of described leading screw；

W is the width in described canopy face；

D1 is the diameter of described reel；

N is the number of turns that described rope is wound around on a bobbin.

The serving formula roller blind device in greenhouse the most according to claim 4, it is characterised in that described include card from lock unit Pawl, spacer pin and position limited gear, described position limited gear fixed cover is loaded on outside one end of described wire winding pole, and described claw is by spacing Pin is correspondingly arranged with position limited gear, to be fixed on position limited gear by claw by described spacer pin.

The serving formula roller blind device in greenhouse the most according to claim 1, it is characterised in that described drive mechanism includes electricity Motivation and decelerator, described motor is connected with cable pulling-pushing device by decelerator, and described decelerator is worm and gear stud wheel Decelerator.

The serving formula roller blind device in greenhouse the most according to claim 7, it is characterised in that described spacing tactile disconnection closes bag Including the first limit switch and the second limit switch, described first limit switch and the second limit switch are separately positioned on described canopy face Two ends up and down, to determine the retracting of described roller shutter and extreme position when spreading out respectively.

The serving formula roller blind device in greenhouse the most according to claim 8, it is characterised in that described circuit controlling organization bag Include A.C. contactor, fuse and first control circuit, described A.C. contactor include the first main contact, the second main contact, One auxiliary contact, the second auxiliary contact, first coil and the second coil；

Described first control circuit includes the governor circuit that is connected in series and controls loop, described governor circuit and control loop it Between be in series with parking and touch bit switch, described control loop includes that the rotating forward that is connected in parallel controls loop and reversion controls loop；

Described governor circuit includes described first main contact, the second main contact, fuse and motor, described first main contact and Second main contact is in parallel, and the two ends of described first main contact after parallel connection and the second main contact respectively with stop touch bit switch and Fuse is connected, described fuse and motor in series, one end ground connection of described motor；

Described rotating forward controls the first auxiliary contact and the first coil that loop includes being connected in series, the two of described first auxiliary contact End is parallel with first and touches bit switch, be in series with the most respectively between described first auxiliary contact and first coil the second self-lock switch and First limit switch；

Described reversion controls the second auxiliary contact and the second coil that loop includes being connected in series, the two of described second auxiliary contact End is parallel with second and touches bit switch, be in series with the most respectively between described second auxiliary contact and the second coil the first self-lock switch and Second limit switch；

Described first self-lock switch is for locking the described first open and-shut mode touching bit switch；

Described second self-lock switch is for locking the described second open and-shut mode touching bit switch.