Angle or stroke detection device for stay wire type roller shutter machine

Abstract

The utility model discloses a stay wire type roller shutter machine angle or stroke detection device, which relates to the technical field of roller shutter machine angle or stroke detection devices and comprises a vegetable sunlight shed, an angle / stroke sensor, a follow-up support rod, a roller shutter machine automatic control box and a main roller shutter machine. The angle / stroke sensor is composed of a stay wire fixing head, a stay wire, a spool, a return spring, a connecting shaft, a rotary encoder and a signal / communication assembly, the rotary encoder capable of rotating is arranged on the angle / stroke sensor, the signal / communication assembly is arranged in the angle / stroke sensor, the front face of the rotary encoder is fixedly connected with the connecting shaft, and the back face of the rotary encoder is fixedly connected with the signal / communication assembly. The accurate positions of the roller shutter machine and a cotton curtain / rolled starting point can be fed back in real time through the angle / stroke sensor, meanwhile, the included angle between the fixed supporting rod and the follow-up supporting rod of the roller shutter machine system can be fed back in real time, and in addition, automatic control over the roller shutter machine system can be achieved through the automatic control box of the roller shutter machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to the detection device technical field of angle or stroke of curtain machine, specifically a detection device of angle or stroke of pull -type curtain machine. BACKGROUND

[0002] With the gradual popularization and popularization of vegetable greenhouse and sunlight greenhouse and the rapid development of microcontroller automatic control technology, safe, convenient and efficient curtain machine automatic control system becomes possible. At present, the curtain machine technology in agricultural vegetable greenhouse or sunlight greenhouse mostly still adopts manual operation through the reverse running switch of the motor in the curtain machine to realize the winding or lowering of the thermal cotton curtain of the vegetable greenhouse or sunlight room, and manual operation is required in the whole operation process. It occupies more manpower, and it is difficult to achieve the operation of winding and lowering the thermal cotton curtain of multiple vegetable greenhouses / sunlight greenhouses synchronously, which is not conducive to management and consistent production line management and control.

[0003] The prior art can wind or lower the thermal cotton curtain by manually operating the curtain machine, but since the winding and unwinding speed of the thermal curtain / blanket of the curtain machine is generally slow, generally 10 to 20 minutes, the operator must always stay beside the curtain machine control operation box, and the operator can only stop and leave from the beginning to the end, and then operate the next vegetable sunlight greenhouse or sunlight greenhouse, which consumes a lot of manpower and time. Since the operation is boring, the operator is also prone to neglect, which may cause the curtain machine to exceed the maximum stroke, resulting in damage to the machine and possibly damage to the vegetable sunlight greenhouse or sunlight room facilities, and even cause personal injury. Therefore, the technical personnel in the field provide a detection device for the angle or stroke of the pull -type curtain machine to solve the problems raised in the background art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a detection device for the angle or stroke of the pull -type curtain machine to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A detection device for the angle or stroke of the pull -type curtain machine, comprising a vegetable sunlight greenhouse, an angle / stroke sensor, a follow-up support rod, a curtain machine automatic control box and a main curtain machine, the angle / stroke sensor is composed of a pull -line fixing head, a pull -line, a spool, a return spring, a connecting shaft, a rotary encoder and a signal / communication assembly, the rotary encoder is rotatable, the signal / communication assembly is arranged in the angle / stroke sensor, the connecting shaft is fixedly connected with the rotary encoder, the spool is fixedly connected with the connecting shaft at one end, the return spring is arranged in the spool, the pull -line is wound on the spool, the pull -line fixing head is fixedly connected with the pull -line at one end, and the controller is arranged on the curtain machine automatic control box.

[0007] As a further scheme of the utility model: angle / travel sensor is arranged on the follow-up support rod, one end of the follow-up support rod is fixedly connected with the main roller shutter machine, the other end of the follow-up support rod is provided with a link and a pin shaft, a motor is fixedly installed in the main roller shutter machine, a rotating drum is rotatably connected to the main roller shutter machine, a fixed support rod is arranged on one side of the link and the pin shaft, and the rotating drum is provided with a thermal curtain.

[0008] As a further scheme of the utility model: the follow-up support rod is provided below the vegetable sunlight shed, wherein the vegetable sunlight shed is mainly used for planting various vegetables, melons and fruits or breeding livestock and poultry, and can keep a higher temperature and a more suitable illumination in the sunlight shed in cold seasons, and the main function of the main roller shutter machine is to reduce the power output of the motor under the drive of the motor, to drive the rotating drum to realize the functions of winding up the thermal curtain or laying the thermal curtain.

[0009] As a further scheme of the utility model: the thermal curtain mainly plays a role of covering the vegetable sunlight shed to reduce heat convection, maintain temperature or adjust light intake area, the main role of the follow-up support rod is to link and support the posture of the main roller shutter machine and limit the trajectory of the main roller shutter machine, and the main role of the fixed support rod is to fix the whole roller shutter machine system on the land to prevent displacement or shaking, the link and the pin shaft support the follow-up support rod, limit the movement direction and position of the follow-up support rod, and play a hinged role of the follow-up support rod and the fixed support rod and limit the relative movement relationship between the follow-up support rod and the fixed support rod.

[0010] As a further scheme of the utility model: the rotating drum is a component in the main roller shutter machine, is a metal drum or a pair of metal drums connected to a roller shutter machine drive shaft, one side of the thermal curtain is fixed to the drum by a hook, the drum is generally rotated counterclockwise under the drive of the roller shutter machine, the thermal curtain is wound on the drum, the other end of the thermal curtain is fixed to the back wall of the vegetable sunlight shed, the thermal curtain is pulled to move the whole roller shutter machine and the follow-up support frame to the back wall of the vegetable sunlight shed under the action of the force, the winding of the thermal curtain is realized, the thermal curtain wound on the drum is released and unfolded under the action of the gravity when the drum is rotated clockwise under the drive of the roller shutter machine, the laying of the thermal curtain in the vegetable sunlight shed is realized, the motor is a power source of the roller shutter machine, drives the roller shutter machine to operate, and the angle / travel sensor has the output modes of pulse signal / UART / RS323 / RS422 / RS485 / Bluetooth communication protocol.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The accurate position of the winding point of the roller shutter machine and the cotton curtain / bed can be fed back in real time.

[0013] 2. The included angle between the fixed support rod and the follow-up support rod of the roller shutter machine system can be fed back in real time.

[0014] 3. After the installation of the new device, the automatic control of the roller shutter system is possible through the automatic control box.

[0015] 4. Since the automatic control can realize the simultaneous control of multiple roller shutters, it provides the possibility for large-scale management.

[0016] 5. Since the device can accurately obtain the position of the roller shutter drum, effectively control the exceeding of the maximum safe position, and effectively curb and eliminate various safety accidents caused thereby. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural diagram of a cord type roller shutter angle or stroke detection device.

[0018] Fig. 2 It is a structural diagram of a rotating encoder and a cord fixing head in a cord type roller shutter angle or stroke detection device.

[0019] In the figure: 1, vegetable sunlight shed; 2, main roller shutter; 3, heat preservation curtain; 4, roller shutter automatic control box; 5, follow-up support rod; 6, fixed support rod; 7, link and pin shaft; 8, angle / stroke sensor; 9, roller drum; 10, motor; 11, cord fixing head; 12, cord; 13, spool; 14, return spring; 15, coupling shaft; 16, rotating encoder; 17, signal / communication assembly. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0021] Please refer to Figs. 1-2The utility model discloses an angle or stroke detection device of stay wire type roller shutter machine, including vegetable sunlight shed 1, angle / stroke sensor 8, follow -up support rod 5, roller shutter machine automatic control box 4 and main roller shutter machine 2, angle / stroke sensor 8 is by stay wire fixed head 11, stay wire 12, spool 13, return spring 14, coupling shaft 15, rotary encoder 16, signal / communication component 17 is composed, angle / stroke sensor 8 is provided with rotatable rotary encoder 16, angle / stroke sensor 8 is provided with signal / communication component 17, rotary encoder 16 front fixedly connected with coupling shaft 15, one end of coupling shaft 15 is fixedly connected with spool 13, and return spring 14 is provided in spool 13, and stay wire 12 is wound on spool 13, and one end of stay wire 12 is fixedly connected with stay wire fixed head 11, and controller is provided in roller shutter machine automatic control box 4, angle / stroke sensor 8 is arranged on follow -up support rod 5, and one end of follow -up support rod 5 is fixedly connected with main roller shutter machine 2, and the other end of follow -up support rod 5 is provided with link and pin shaft 7, and motor 10 is fixedly installed in main roller shutter machine 2, and main roller shutter machine 2 is rotatably connected with rotary drum, and one side of link and pin shaft 7 is provided with fixed support rod 6, and rotary drum is provided with thermal curtain 3, and follow -up support rod 5 below is provided with vegetable sunlight shed 1, wherein vegetable sunlight shed 1 is mainly used for planting various vegetables melons and fruits or breeding domestic animals poultry etc., can also keep the higher temperature and the more suitable illumination in the sunlight shed in cold season, and the main function of main roller shutter machine 2 is under the drive of motor, reduces the power of motor 10 output and drives roller 9 to realize the winding of thermal curtain 3 or the laying function of thermal curtain 3, and the main role of thermal curtain 3 is to cover on vegetable sunlight shed 1 and play the role of reducing heat convection and keeping temperature or adjusting light intake area, the main role of follow -up support rod 5, link and support the attitude of main roller shutter machine 2 and limit its trajectory, the main role of fixed support rod 6 is to fix the whole roller shutter machine system on the land, prevents the displacement or left and right swing, through link and pin shaft 7 support follow -up support rod 5, and limit follow -up support rod 5 movement direction and position, and link and pin shaft 7 play the hinge effect of follow -up support rod 5 and fixed support rod 6, and limit the relative motion relation of both, and roller 9 is a component in main roller shutter machine 2, is one or a pair of metal roller coupled on roller shutter machine drive shaft, one side of thermal curtain 3, generally is fixed on the roller through hook, usually the roller rotates counterclockwise under the drive of roller shutter machine, and thermal curtain 3 will be wound on the roller, and the other end of thermal curtain 3 is fixed on the back wall of vegetable sunlight shed 1, under the action of tension, thermal curtain 3 will pull the whole roller shutter machine and follow -up support towards the back wall of vegetable sunlight shed 1 and moves, realizes the winding of thermal curtain 3, when the roller rotates clockwise under the drive of roller shutter machine, under the action of gravity, thermal curtain 3 wound on the roller will be released and unfolded, thereby realizes the laying action of thermal curtain 3 in vegetable sunlight shed 1, and motor 10 is the power source of roller shutter machine, drives roller shutter machine operation,The angle / travel sensor 8 outputs in the form of pulse signals / UART / RS323 / RS422 / RS485 / Bluetooth communication protocols.

[0022] The working principle of the utility model is: after the operator turns on the power switch of the automatic control box 4 of the roller shutter machine, the travel button of the heat preservation curtain 3 is started, the controller in the automatic control box receives the button information, and then the pulse signals or communication signals transmitted in real time by the angle / travel sensor 8 can be used to judge the position of the roller of the main roller shutter machine 2, different phase sequence controls are outputted by the automatic control box according to the current position and the direction button started by the operator, so as to control the forward or reverse rotation of the motor 10 of the roller shutter machine, so that the action of winding or unwinding the heat preservation curtain 3 of the roller shutter machine is realized, until the signals / communication returned by the angle / travel pull wire sensor reach the specified position or the maximum limit point, the automatic control box stops the operation of the motor 10 of the roller shutter machine, so that the roller shutter machine stops running, and the above process realizes the complete travel / action of winding / unwinding the heat preservation curtain 3, wherein the pull wire fixing head 11 is fixed on the follow-up support rod 5, and the system assembly composed of the wire spool 13, the return spring 14, the connecting shaft 15 and the rotary encoder 16 at the other end is fixed on the fixed support rod 6, so that when the follow-up support rod 5 moves under the drive of the roller shutter machine, the pull wire fixing head 11 pulls the pull wire 12 out of the wire spool 13, so that the wire spool 13 rotates to compress the return spring 14, and the rotary encoder 16 connected to the other end of the connecting shaft 15 also rotates synchronously, the rotary encoder 16 converts the rotary motion of the wire spool 13 into pulse signals / analogue signals or communication data information through the signal / communication assembly 17, and transmits the pulse signals / analogue signals or communication data information to the automatic control box, so that the automatic control box can receive the real-time position or displacement change of the roller shutter machine, wherein the installation position and mode of the main part of the sensor and the pull wire fixing head 11 are respectively installed on any part of the fixed support rod 6 in the roller shutter machine system, and the other end is fixed on any part of the follow-up support rod 5, and according to the installation position of the pull wire sensor on the fixed support rod 6 and the follow-up support rod 5 and the measured displacement of the pull wire sensor, the included angle between the follow-up support rod 5 and the fixed support rod 6 can be calculated in real time, and the accurate displacement / position of the roller of the roller shutter machine can be obtained.

[0023] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A pull cord type of roller shutter machine angle or stroke detection device comprising a vegetable sunshade (1), an angle / stroke sensor (8), a follow-up support rod (5), a roller shutter machine automatic control box (4) and a main roller shutter machine (2), characterized in that, The angle / travel sensor (8) is composed of a pull line fixing head (11), a pull line (12), a wire shaft (13), a return spring (14), a connecting shaft (15), a rotary encoder (16), and a signal / communication assembly (17), the angle / travel sensor (8) is provided with the rotary encoder (16) which can rotate, the angle / travel sensor (8) is provided with the signal / communication assembly (17) inside, the rotary encoder (16) is fixedly connected with the connecting shaft (15) in front, one end of the connecting shaft (15) is fixedly connected with the wire shaft (13), the wire shaft (13) is provided with the return spring (14) inside, the pull line (12) is wound on the wire shaft (13), and one end of the pull line (12) is fixedly connected with the pull line fixing head (11).

2. A method according to claim 1, wherein the step of determining the angle of the curtain comprises the steps of: determining the position of the first and second pulleys; and determining the angle of the curtain based on the positions of the first and second pulleys. The automatic control box (4) of the roller shutter machine is provided with a controller.

3. A method according to claim 1, wherein the step of determining the angle of the curtain comprises the steps of: determining the position of the first and second pulleys; and determining the angle of the curtain based on the positions of the first and second pulleys. The angle / travel sensor (8) is arranged on the follow-up support rod (5).

4. A method according to claim 1, wherein the step of determining the angle of the curtain comprises the steps of: determining the position of the first and second pulleys; and determining the angle of the curtain based on the positions of the first and second pulleys. One end of the follow-up support rod (5) is fixedly connected with the main roller shutter machine (2), and the other end of the follow-up support rod (5) is provided with the link and pin shaft (7).

5. A method according to claim 1, wherein the step of determining the angle of the shade comprises the steps of: determining the position of the first and second pulleys; and determining the angle of the shade based on the positions of the first and second pulleys. The main roller shutter machine (2) is fixedly installed with the motor (10) inside, and the main roller shutter machine (2) is rotatably connected with the winding drum (9).

6. A method according to claim 4, wherein the step of determining the angle of the curtain comprises the steps of: determining the position of the first and second pulleys; and determining the angle of the curtain based on the positions of the first and second pulleys. One side of the link and pin shaft (7) is provided with the fixed support rod (6).

7. A method according to claim 5, wherein the step of determining the angle of the curtain comprises the steps of: determining the position of the first and second pulleys; and determining the angle of the curtain based on the positions of the first and second pulleys. The winding drum (9) is provided with the thermal curtain (3).

8. A method according to claim 1, wherein the step of determining the angle of the shade comprises the steps of: determining the position of the first and second pulleys; and determining the angle of the shade based on the positions of the first and second pulleys. The follow-up support rod (5) is provided with the vegetable sunlight shed (1) below.

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