CN110397777B - A wireless intelligent electronically controlled butterfly valve - Google Patents

Abstract

A wireless intelligent electric control butterfly valve comprises a double-valve three-way type structure and a single-valve three-way type structure, wherein a control box is arranged above each valve core, and the control boxes are connected with the valve cores through rotating shafts. The top of the control box is provided with an antenna, the top surface of the control box is provided with a solar panel, and a storage battery with an inverter, an integrated circuit board and a gear motor are arranged in the control box. The valve core comprises a pair of butterfly-shaped blades and sealing rings corresponding to the butterfly-shaped blades. The valve is provided with an opening control mechanism comprising a touch switch, a disc and a pointer. The inner wall of the pipeline is provided with a flow pressure sensor and a water flow generator. The integrated circuit board comprises a wireless communication module, a power supply module, a voltage protection module, a motor driving module, a programming program module and an information acquisition module. The device has the advantages of visual state, remote control, feedback and over-protection, compact structure, flexible driving, low energy consumption, difficult water leakage, difficult rust, strong reliability, convenient installation and maintenance and low cost.

Description

A wireless intelligent electric-controlled butterfly valve

Technical field

The invention relates to a valve body, in particular to a wireless intelligent electronically controlled butterfly valve.

Background technique

The valve body is a component used to realize on-off and flow control of the pipeline system. It is a basic component in pipeline transportation in many fields such as petroleum, chemical industry, metallurgy, hydropower, etc., and is widely used. Valve bodies include ball valves, butterfly valves, plunger valves and other forms.

With the popularization and application of automatic control technology, automatically controlled valve body products have begun to appear, gradually replacing the traditional human-driven operation method, making valve body products develop in the direction of automation and intelligence. The Chinese patent publication number CN109268535A discloses a wireless intelligent electric ball valve, which includes a valve body and a control box. The control box is installed on the upper part of the valve body; the control box is equipped with a controller, a wireless communication module, a reduction motor and a driving shaft. , the valve body is provided with a spherical valve core, and the reduction motor drives the spherical valve core to rotate through the driving shaft. This valve body is a ball valve. On the one hand, the inner cavity of the ball valve has a small structure, large water pressure loss, and poor water flow; on the other hand, due to the large sealing area of the ball valve, it requires high process requirements, and it is prone to leakage or rust later, which affects Effect.

Compared with ball valves, plunger valves and other valve bodies, butterfly valves have the characteristics of strong sealing, flexible starting, reliability and durability, and are very suitable for the needs of automation technology. However, the current application method of butterfly valves in agricultural irrigation systems is mainly manual opening and closing, and no butterfly valve products that can be automatically controlled have yet been developed. Traditional technical thinking believes that although butterfly valves have the advantages of high passing efficiency and small structural volume, they have high requirements for tightness, materials and manufacturing processes, so no one has yet developed automated control butterfly valve products.

Therefore, it is of great significance to develop an intelligent electric-controlled butterfly valve that has the structural characteristics and performance advantages of a butterfly valve and can achieve automatic control.

Contents of the invention

The purpose of the present invention is to provide a wireless intelligent electric-controlled butterfly valve, which not only has low energy consumption, flexible startup, strong permeability, less water pressure loss, and is not easy to rust, but also can realize remote automatic control and can provide real-time feedback on the working status of the valve body.

The invention provides a wireless intelligent electronically controlled butterfly valve, which includes a valve seat composed of a pipeline and an internal disc valve core. The valve seat includes two structures: a double valve three-way type and a single valve straight-through type. The double valve The three-way type has two valve cores, and the single-valve straight-through type has one valve core. A control box is set above each valve core, and the control box and the valve core are connected by a rotating shaft. The control box is a box with a top cover, and the top cover and the box are assembled and connected. An antenna is provided on the top of the top cover, and a solar panel is provided on the top surface. A battery with an inverter, an integrated circuit board, and a reduction motor are arranged in the space formed by the top cover and the box body, and the reduction motor is drivingly connected to the rotating shaft. The valve core includes a pair of butterfly blades fixed on the rotating shaft and a corresponding sealing ring fixed on the inner wall of the pipe cross section. An opening control mechanism is provided between the box body and the valve seat. A flow pressure sensor and a water flow generator are installed on the inner wall of the pipeline. The integrated circuit board includes a wireless communication module, a power supply module, a voltage protection module, a motor drive module, a programming program module, and an information collection module. The information collection module includes a touch switch signal interface and a flow pressure sensor interface. There are physical electrical connections between modules, and the interfaces of each module are physically electrically connected to corresponding external components.

The preferred solution is to realize the opening control mechanism by: setting a disc between the box body and the valve seat, and setting two limit posts on the left and right on the disc at an angle of 90 degrees; setting a belt in the box body. There are two touch switches on the left and right with contact rods at a 90-degree angle. After the contact rods extend out of the bottom hole of the box, they are placed in front of the limit column; a horizontal pointer is fixed on the rotating shaft above the disk, and the pointer is located at Between the left and right contact rods, that is, between the two left and right limiting posts.

A further preferred solution is that the specific layout inside the box is as follows: a battery slot is provided at the bottom of the box, and the reduction motor includes a micromotor, a reduction box, and a hexagonal sleeve shaft; the rotating shaft is a hexagonal shape and a hexagonal sleeve shaft. Fitting connection; set several card frames on both sides of the box to tightly match the reduction box.

A further preferred solution is that the pipeline is a flange structure, and the flange is located at the valve core.

A further preferred solution is that the control box and the valve seat are connected in the following manner: more than two supports with internal threads extend downward from the bottom of the box, a rectangular platform is set on the top of the flange, and a rectangular platform is set on the top of the flange. More than one pair of clamping strips extending downward on the disk are tightly matched with the platform; a number of outer holes, a number of inner holes, and wire holes are provided on the disk. The bottom is fixed with screws on the platform through the inner hole.

A further preferred solution is that the number of the supports and outer holes is 3, and the number of the inner holes is 4; the top surface of the top cover is a herringbone structure, on which two solar panels are symmetrically arranged; the top cover is connected to the box body by snap-on connection; the card frames are symmetrically arranged on the left and right, and the card strips 15 are a pair.

A further preferred solution is that the two-valve three-way structure is: the two control boxes are divided into a main control box A and a sub-control box B. The sub-control box B is only equipped with a reduction motor and a touch switch, and there is no top control box. Antenna and solar panel; the integrated circuit board in the main control box A is electrically connected to the reduction motor and touch switch in the sub-control box B; the flow pressure sensor and the water flow generator are set on the inner wall of the entrance end of the tee pipe, both They are electrically connected to the main control box A respectively.

A further preferred solution is to provide protruding curls and grooves on the edge of the pipe mouth, and to provide a soft cushion in the groove.

Compared with the prior art, the electronically controlled butterfly valve provided by the present invention has the following beneficial effects.

First, after receiving the action command from the remote, the battery provides energy, the motor drive module on the integrated circuit board drives the reduction motor to rotate, the hexagonal sleeve shaft drives the hexagonal rotating shaft to rotate, and drives the pointer and butterfly blade to rotate. When the pointer touches the contact rod of the touch switch, the action stops and the phase is maintained. When receiving the opposite action command, the pointer and the butterfly blade rotate in opposite directions. When the pointer touches the contact rod located on the other side of the touch switch, the action stops and the phase is maintained. The limit column can limit the rotation of the pointer when the touch switch fails. The switching phase status is fed back to the integrated circuit board and sent to the control center. The flow pressure sensor can detect the valve body status data in real time and feed it back to the control center through the communication module. The water flow generator can charge the battery when the valve body is open.

Second, the two structural forms of the present invention, the double valve three-way type and the single valve straight-through type, can meet the needs of various valve bodies in agricultural irrigation, and are particularly suitable for field pipe network systems of different modes. The single valve straight-through type can be controlled in one direction, and the double valve three-way type can be installed on the ground pile to deliver water to both sides to achieve two-way control. All parts of the valve body are assembled in a movable combination, which is convenient for installation and maintenance. In particular, the flange structure of the pipeline provides convenience for the installation of the valve core. The special design of the edge of the pipe mouth makes it very convenient to connect the field branch pipe hose.

Third, the key technical core of the present invention is the specific application of automatic control technology on the valve body, especially the control method with the disc structure and its drive control mechanism as the main content, which realizes intuitive visualization of status, remote control and feedback , over-protection, and has the advantages of compact structure, good passability, flexible driving, low energy consumption, not easy to leak, not easy to rust, strong reliability, convenient installation and maintenance, and low cost.

Description of drawings

Figure 1 is a schematic structural diagram of this wireless intelligent electronically controlled butterfly valve.

Figure 2 is a schematic structural diagram of the disc and pointer of the wireless intelligent electronically controlled butterfly valve.

Figure 3 is a schematic diagram of the two-valve three-way structure of the wireless intelligent electronically controlled butterfly valve.

Figure 4 is a diagram showing the structure of the wireless intelligent electronically controlled butterfly valve integrated circuit board and its connection relationship with external electrical components.

Numbers in the picture: 1 box, 2 top cover, 3 card frame, 4 reduction motor, 41 reduction box, 42 micro motor, 43 hexagonal sleeve shaft, 5 touch switch, 51 contact rod, 6 outer hole, 7 platform, 8 wire holes, 9 rotating shafts, 10 supports, 11 disks, 12 limiting posts, 13 inner holes, 14 pointers, 15 clips, 16 pipes, 17 batteries, 18 battery card slots, 19 flow pressure sensors, 20 antennas, 21 integrated circuit board, 22 butterfly blade, 23 sealing ring, 24 inverter, 25 solar panel, 26 water flow generator, 27 curling edge, 28 groove, 29 cushion, 30 flange.

Detailed ways

Embodiment 1, single valve straight-through type.

As shown in Figures 1, 2 and 4, a wireless intelligent electric-controlled butterfly valve includes a valve seat composed of a pipe 16 and an internal disc-type valve core. The valve seat is a single-valve straight-through structure with a valve core. A control box is arranged above the valve core, and the control box and the valve core are connected by a rotating shaft 9. The control box is a box body 1 with a top cover 2, and the top cover 2 is connected to the box body 1 by a snap-on connection. The top cover 2 is a herringbone shape, and an antenna 20 is arranged on the top and solar panels 25 are arranged on both sides. A battery 17 with an inverter 24, an integrated circuit board 21, and a reduction motor 4 are arranged in the space formed by the top cover 2 and the box body 1. The reduction motor 4 is connected to the rotating shaft 9 in a driving manner. The valve core includes a pair of butterfly blades 22 fixed on the rotating shaft 9 and a corresponding sealing ring 23 fixed on the inner wall of the cross section of the pipe 16. A disc 11 is arranged between the box body 1 and the valve seat, and two limit posts 12 are arranged on the disc 11 at a 90-degree angle. Two touch switches 5 with touch rods 51 are arranged in the box body 1 at a 90-degree angle. After the touch rods 51 extend out of the bottom hole of the box body 1, they are placed in front of the limit posts 12. A horizontal pointer 14 is fixedly arranged on the rotating shaft 9 above the disc 11, and the pointer 14 is located between the left and right touch rods 51, that is, between the left and right limit posts 12.

A flow pressure sensor 19 and a water flow generator 26 are provided on the inner wall of the pipeline 16 . The integrated circuit board 21 includes a wireless communication module, a power supply module, a voltage protection module, a motor drive module, a programming program module, and an information collection module. The information collection module includes a touch switch signal interface and a flow pressure sensor interface. Each module There are physical electrical connections between them, and the interfaces of each module are physically electrically connected to corresponding external components.

A battery slot 18 is provided at the bottom of the housing 1. The reduction motor 4 comprises a micromotor 42, a reduction box 41, and a hexagonal sleeve shaft 43. The rotating shaft 9 is hexagonal and connected with the hexagonal sleeve shaft 43. Two card frames 3 are symmetrically provided on both side walls of the housing 1 and tightly matched with the reduction box 41.

The pipeline (16) has a flange structure, and its flange (30) is located at the valve core.

The connection method between the control box and the valve seat is as follows: three supports 10 with internal threads extend downward from the bottom of the box 1, a rectangular platform 7 is set on the top of the flange 30, and a rectangular platform 7 is provided on the disk 11. A pair of clamping bars 15 extending downward are tightly matched with the platform 7; three outer holes 6, four inner holes 13, and one wire hole 8 are provided on the disc 11, and the disc 11 passes upward through the outer hole. 6 is screwed to the support 10, and screwed downward to the platform 7 through the inner hole 13.

The battery 17 in this embodiment is a 2400mAH rechargeable lithium battery. The water flow generator 26 has an output voltage of 6-12v, an output current of 150mA, a power of 1w, and a working environment head pressure of 3m-10m. The model of micromotor 42 is FEC5500-7.4v-1.1R-Z2001, the specification of solar panel 25 is 0.9W, the touch switch 5 is a commercially available V-152-1C25 travel switch, and the flow pressure sensor 19 is preFLOW.

Embodiment 2, double valve three-way type.

As shown in Figure 3, the difference between this embodiment and Embodiment 1 is that the valve body has a double-valve three-way structure, and its pipe 16 has a T-shaped structure, with the lower end being the water inlet end connected to the out-of-ground piles of the field drip irrigation system. Both sides are water outlets, which are connected to the branch pipe hoses. Protruding curling edges 27 and grooves 28 are provided on the edges, and a soft cushion 29 is provided in the groove 28.

The two control boxes are divided into main control box A and auxiliary control box B. There are only reduction motor 4 and touch switch 5 in auxiliary control box B, and there is no antenna 20 and solar panel 25 on the top. The integrated circuit board 21 in the main control box A is electrically connected to the reduction motor 4 and the touch switch 5 in the auxiliary control box B. The flow pressure sensor 19 and the water flow generator 26 are arranged on the inner wall of the inlet end of the tee pipe 16, and are electrically connected to the main control box A respectively. During operation, the integrated circuit board 21 in the main control box A can also control the reduction motor 4 in the sub-control box B, thereby achieving cost savings.

An implementation different from the above embodiment includes: there are three card frames 3 evenly arranged, the cross-section of the rotating shaft 9 is other polygonal forms, the number of external holes 6 and supports 10 is four, the number of internal holes 13 is three, two pairs of card strips 15 form a rectangle, and the top cover 2 is connected to the box body 1 by screws.

Claims (7)

1. The utility model provides a automatically controlled butterfly valve of wireless intelligence, includes the disk seat that comprises pipeline (16) and inside disk formula case, its characterized in that: the valve seat comprises a double-valve three-way type structure and a single-valve three-way type structure, wherein the double-valve three-way type structure is provided with two valve cores, the single-valve three-way type structure is provided with one valve core, a control box is arranged above each valve core, and the control box is connected with the valve core through a rotating shaft (9); the control box is a box body (1) with a top cover (2), the top cover (2) is connected with the box body (1) in an assembling mode, an antenna (20) is arranged at the top of the top cover (2), and a solar panel (25) is arranged on the top surface of the top cover; a storage battery (17) with an inverter (24), an integrated circuit board (21) and a gear motor (4) are arranged in a space formed by the top cover (2) and the box body (1), and the gear motor (4) is in transmission connection with the rotating shaft (9); the valve core comprises a pair of butterfly blades (22) fixed on the rotating shaft (9) and a sealing ring (23) corresponding to the butterfly blades and fixed on the inner wall of the cross section of the pipeline (16); an opening control mechanism is arranged between the box body (1) and the valve seat; a flow pressure sensor (19) and a water flow generator (26) are arranged on the inner wall of the pipeline (16); the integrated circuit board (21) comprises a wireless communication module, a power supply module, a voltage protection module, a motor driving module, a programming program module and an information acquisition module, wherein the information acquisition module comprises a touch switch signal interface and a flow pressure sensor interface, the modules are physically and electrically connected, and the interfaces of the modules are respectively and physically and electrically connected with corresponding external elements; a disc (11) is arranged between the box body (1) and the valve seat, and a left limit column (12) and a right limit column (12) are arranged on the disc (11) and form an angle of 90 degrees; the left and right touch switches (5) with the feeler levers (51) are arranged in the box body (1) and form an angle of 90 degrees, and the feeler levers (51) extend out of the bottom holes of the box body (1) and are arranged in front of the limit posts (12); a horizontal pointer (14) is fixedly arranged on the rotating shaft (9) above the disc (11), and the horizontal pointer (14) is positioned between the left and right contact rods (51), namely between the left and right limiting columns (12).

2. The wireless intelligent electric control butterfly valve according to claim 1, characterized in that the specific layout mode inside the box body (1) is as follows: a battery clamping groove (18) is formed in the bottom of the box body (1), the gear motor (4) comprises a micro motor (42), a reduction gearbox (41) and a hexagonal sleeve shaft (43), and the rotating shaft (9) is in hexagonal shape and is connected with the hexagonal sleeve shaft (43) in a matched mode; a plurality of clamping frames (3) are arranged on two side walls of the box body (1) and are tightly matched with the reduction gearbox (41).

3. The wireless intelligent electric control butterfly valve of claim 2, wherein the pipe (16) has a flange structure, and the flange (30) is located at the valve core.

4. The wireless intelligent electric control butterfly valve of claim 3, wherein the control box is connected with the valve seat in the following manner: the bottom of box (1) stretches out support (10) more than two that have the internal thread downwards, sets up rectangle platform (7) at flange (30) top, and card strip (15) that stretches out downwards more than one pair of on disc (11) with rectangle platform (7) chucking cooperation offer outer hole (6) a plurality of, hole (13) a plurality of, line hole (8) on disc (11), disc (11) upwards pass through outer hole (6) and support (10) screw fixation, downwards pass through hole (13) and rectangle platform (7) screw fixation.

5. The wireless intelligent electrically controlled butterfly valve of claim 4, wherein: the number of the support (10) and the number of the outer holes (6) are 3, and the number of the inner holes (13) is 4; the top surface of the top cover (2) is of a herringbone structure, and 2 solar panels (25) are symmetrically arranged on the top surface; the top cover (2) is connected with the box body (1) in a buckling manner; the clamping frames (3) are symmetrically arranged left and right.

6. The wireless intelligent electronic control butterfly valve of claim 5, wherein the double valve three-way structure is: the two control boxes are divided into a main control box A and an auxiliary control box B, wherein the auxiliary control box B is internally provided with a speed reducing motor (4) and a touch switch (5) only, and the top of the auxiliary control box B is provided with no antenna (20) and no solar panel (25); an integrated circuit board (21) in the main control box A is electrically connected with a speed reducing motor (4) and a touch switch (5) in the auxiliary control box B, and a flow pressure sensor (19) and a water flow generator (26) are arranged on the inner wall of the inlet end of the three-way pipeline (16) and are respectively electrically connected with the main control box A.

7. The wireless intelligent electric control butterfly valve according to claim 5 or 6, characterized in that a raised bead (27) and a groove (28) are provided at the edge of the orifice of the pipe (16), and a soft pad (29) is provided in the groove (28).