Low-power-consumption intelligent combination valve
By adopting a composite valve structure with inner and outer nesting, high-pressure air is used to push the outer piston to open the outer valve core, the problem of high-pressure air driving valves in the prior art requires a large thrust, and the effect of reducing the volume and power consumption of the drive mechanism and extending the use time is achieved.
Patent Information
- Application Number
- CN202422090752.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-27
AI Technical Summary
In existing fire extinguishing devices, high-pressure air-driven valves require greater thrust, resulting in large volume of the drive mechanism, high standby power consumption, and short service time.
Using a composite valve structure with inner and outer nesting, the driving mechanism only needs to push the inner valve core, and high-pressure air enters the outer piston cavity through the cavity of the outer valve core. The outer piston moves the outer valve core in the opening direction under the push of high-pressure air to realize the opening of the valve.
The thrust and volume required by the drive mechanism to push the inner valve core is reduced, the standby power consumption is reduced, and the valve service time is extended.
Smart Images
Figure CN223019452U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire-fighting equipment, and particularly relates to a low-power intelligent composite valve. Background Art
[0002] With the development of Internet of Things technology, the automation requirements for fire-fighting systems are getting higher and higher, and electric valves are widely used to control the discharge of fire extinguishing agents. In existing fire extinguishing devices, high-pressure air is often used as the pressure source to drive the fire extinguishing agent to discharge from the container. Since the pressure of the high-pressure air on the valve core is relatively large, the driving mechanism of the valve needs to have a relatively large thrust to push the valve core open, resulting in a relatively large volume of the driving mechanism and higher standby power consumption. Therefore, it is necessary to design a new valve structure that can open the valve with a relatively small thrust, reduce the volume and power consumption of the driving mechanism, and extend the service life of the valve. Content of the Utility Model
[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a low-power intelligent composite valve that can open the valve with a relatively small thrust and reduce the volume and standby power consumption of the driving mechanism.
[0004] To solve the above problems, the technical solution adopted by the present utility model is as follows: A low-power intelligent composite valve, comprising: a valve seat provided with an input interface, an output interface, a connection passage, and a piston chamber, the input interface and the output interface being communicated through the connection passage, the piston chamber being communicated with the input interface through the connection passage, a porous ventilation support plate being provided in the input interface, a partition being provided in the piston chamber, the partition dividing the piston chamber into an outer piston chamber and an inner piston chamber, and a through hole being provided on the partition; an outer valve core movably provided in the valve seat, with an outer plug at the first end, an outer piston at the second end, and a cavity penetrating through the outer valve core inside, a first opening of the cavity being provided on the end face of the first end of the outer valve core, a second opening of the cavity being provided on the end face of the second end of the outer valve core, the first end of the outer valve core extending into the input interface through the interface between the connection passage and the input interface, a first elastic member being provided between the outer plug and the porous ventilation support plate, the second end of the outer valve core extending into the outer piston chamber through the interface between the connection passage and the piston chamber, the outer valve core sealing the interface between the connection passage and the input interface, the outer piston being movable in the outer piston chamber, the outer piston dividing the outer piston chamber into two non-communicating chambers, the chamber of the outer piston chamber close to the outer valve core side being communicated with the outside through an exhaust hole, a ventilation plug being provided at the first interface of the cavity, a through ventilation hole being provided on the ventilation plug, the outer piston driving the outer plug to move when moving, so as to control the blocking or opening of the interface between the outer plug and the interface between the input interface and the connection passage; an inner valve core movably provided in the cavity, with an inner plug at the first end and an inner piston at the second end, the inner plug being movably provided in the cavity, the second end of the inner valve core extending into the inner piston chamber through the second opening of the cavity and the through hole of the partition, a second elastic member being provided between the inner plug and the ventilation plug, the inner piston being movable in the inner piston chamber, and an air gap allowing air to pass through being provided between the side wall of the second opening of the cavity and the peripheral surface of the inner valve core; a control box provided on the valve seat, with a control circuit inside and a data interface on the surface, the data interface being electrically connected to the control circuit; a driving mechanism provided in the valve seat, electrically connected to the control circuit, and used to drive the inner piston to move, the inner piston driving the inner plug to move when moving, so as to control the blocking or opening of the second opening of the cavity by the inner plug.
[0005] Compared with the prior art, the beneficial effects of the utility model are as follows: By adopting a composite valve structure with inner and outer nesting, the driving mechanism only needs to push the inner valve core, enabling high-pressure air to enter the outer piston cavity through the cavity of the outer valve core. Driven by the high-pressure air, the outer piston moves the outer valve core in the opening direction to achieve the opening of the valve. Since the end area of the inner valve core is smaller than that of the outer valve core, the pressure of the high-pressure air received is smaller, thereby reducing the thrust required for the driving mechanism to push the inner valve core to act, reducing the thrust required to drive the valve to open, reducing the volume and power consumption of the driving mechanism, and prolonging the service life of the valve.
[0006] In the above-mentioned low-power intelligent composite valve, the driving mechanism is arranged in the inner piston cavity. The driving mechanism includes an electromagnet and an armature. The coil of the electromagnet is electrically connected to the control circuit. The armature is connected to the inner piston. A slideway matching the inner piston is arranged at the center of the iron core of the electromagnet.
[0007] In the above-mentioned low-power intelligent composite valve, internal threads are arranged in the input interface. A thimble is arranged on the side of the porous air-permeable support plate facing away from the outer valve core. The direction of the thimble is parallel to the direction of the internal threads.
[0008] In the above-mentioned low-power intelligent composite valve, an air gap for air to pass through is arranged between the through hole of the partition plate and the inner valve core.
[0009] In the above-mentioned low-power intelligent composite valve, a gasket is arranged on the lower end surface of the porous air-permeable support plate.
[0010] In the above-mentioned low-power intelligent composite valve, the control circuit includes a controller, at least one wireless communication circuit, an interface circuit, and a valve core driving circuit. The data interface is electrically connected to the controller through the interface circuit. The wireless communication circuit is electrically connected to the controller. The driving mechanism is electrically connected to the controller through the valve core driving circuit.
[0011] In the above-mentioned low-power intelligent composite valve, a pressure sensor is arranged in the input interface. The control circuit further includes a pressure measurement circuit. The pressure sensor is electrically connected to the control circuit through the pressure measurement circuit.
[0012] In the above-mentioned low-power intelligent composite valve, a temperature sensor is arranged on the valve seat. The control circuit further includes a temperature measurement circuit. The temperature sensor is electrically connected to the controller through the temperature measurement circuit.
[0013] In the above-mentioned low-power intelligent composite valve, a display screen is arranged on the surface of the control box. The control circuit further includes a display driving circuit. The display screen is electrically connected to the controller through the display driving circuit.
[0014] For the above-mentioned low-power intelligent composite valve, a battery is further arranged in the control box, and the control circuit further includes a voltage stabilizing and charging circuit. The battery is electrically connected to the controller and the interface circuit through the voltage stabilizing and charging circuit.
[0015] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Description of the Drawings
[0016] Figure 1 It is a cross-sectional view of the low-power intelligent composite valve according to an embodiment of the present invention;
[0017] Figure 2 It is a state diagram of the low-power intelligent composite valve during use according to an embodiment of the present invention;
[0018] Figure 3 It is a state diagram of the low-power intelligent composite valve when it is opened according to an embodiment of the present invention;
[0019] Figure 4 It is a top view of the low-power intelligent composite valve according to an embodiment of the present invention;
[0020] Figure 5 It is a schematic block diagram of the control circuit according to an embodiment of the present invention.
[0021] Explanation of the Reference Numerals in the Drawings:
[0022] 1000 Low-power intelligent composite valve, 1100 Valve seat, 1101 Mounting screw head, 1110 Input interface, 1111 Porous ventilation support plate, 11111 Thimble, 11112 Sealing gasket, 1112 Pressure sensor, 1120 Output interface, 1130 Connection path, 1140 Piston chamber, 1141 Outer piston chamber, 11411 Exhaust hole, 1142 Inner piston chamber, 1150 Partition plate, 1200 Outer valve core, 1210 Ventilation plug, 1220 First elastic member, 1230 Outer piston, 1300 Inner valve core, 1310 Inner piston, 1320 Second elastic member, 1400 Driving mechanism, 1410 Coil, 1420 Iron core, 1430 Armature, 1500 Control box, 1510 Control circuit, 1520 Data interface, 1530 Display screen, 2000 High-pressure gas cylinder. Specific Embodiments
[0023] The embodiments of the present invention will be described in detail below, with reference to Figures 1 to 3, an embodiment of the present utility model provides a low-power intelligent composite valve 1000, which includes a valve seat 1100, an outer valve core 1200, an inner valve core 1300, a control box 1500, and a driving mechanism 1400. The valve seat 1100 is provided with an input interface 1110, an output interface 1120, a connection passage 1130, and a piston chamber 1140. The input interface 1110 and the output interface 1120 are communicated through the connection passage 1130, the piston chamber 1140 is communicated with the input interface 1110 through the connection passage 1130, and the outer valve core 1200 extends into the inner piston chamber 1142 from the input interface 1110 through a part of the connection passage 1130. A porous ventilation support plate 1111 is arranged in the input interface 1110, and a plurality of air-permeable pores are arranged on the porous ventilation support plate 1111. A partition plate 1150 is arranged in the piston chamber 1140, and the partition plate 1150 divides the piston chamber 1140 into an outer piston chamber 1141 and an inner piston chamber 1142. A through hole for passing through the inner valve core 1300 is arranged on the partition plate 1150. The outer valve core 1200 is movably arranged in the valve seat 1100, with an outer plug at the first end, an outer piston 1230 at the second end, and a cavity penetrating the outer valve core 1200 inside. The first opening of the cavity is arranged on the end face of the outer plug, and the second opening is arranged at the second end of the outer valve core 1200. The outer plug of the outer valve core 1200 extends into the input interface 1110 through the interface between the connection passage 1130 and the input interface 1110. When the outer valve core 1200 moves, the outer plug will follow the movement to block or open the interface between the connection passage 1130 and the input interface 1110. A first elastic member 1220 is arranged between the outer plug and the porous ventilation support plate 1111, and the first elastic member 1220 continuously applies a force to the outer valve core 1200 in the direction of the piston chamber 1140, so that the outer plug can block the interface between the input interface 1110 and the connection passage 1130 under normal conditions, and the outer surface of the outer valve core 1200 is sealed with the side wall of the interface between the input passage and the piston chamber 1140. A ventilation plug 1210 is arranged in the first opening of the cavity, and the ventilation plug 1210 is provided with a through ventilation hole. The outer piston 1230 divides the outer piston chamber 1141 into two non-communicating chambers, and the chamber of the outer piston chamber 1141 close to the outer valve core 1200 is communicated with the outside through an exhaust hole 11411. The inner valve core 1300 is movably arranged in the cavity of the outer valve core 1200, with an inner plug at the first end and an inner piston 1310 at the second end. The inner plug is movably arranged in the cavity, and the second end extends into the inner piston chamber 1142 through the second opening of the cavity and the through hole of the partition plate 1150. When the inner valve core 1300 moves, the inner plug will follow the movement to block or open the second opening of the cavity. A second elastic member 1320 is arranged between the inner plug and the ventilation plug 1210, and the second elastic member 1320 applies a force to the inner plug in the direction of the inner piston chamber 1142, so that the inner plug can block the second opening of the cavity under normal conditions. Refer toFigure 2 and Figure 3 As shown in Figure 3 , an air gap through which air can pass is provided between the side wall of the second opening and the peripheral surface of the inner valve core 1300. When the inner plug is opened, the air at the input interface 1110 can flow into the outer piston chamber 1141 successively through the vent hole of the vent plug 1210, the cavity, and the air gap between the second opening and the inner valve core 1300. A control box 1500 is provided on the valve seat 1100. A control circuit 1510 is provided inside the control box 1500. A data interface 1520 is provided on the surface of the control box 1500, and the data interface 1520 is electrically connected to the control circuit 1510. A driving mechanism 1400 is provided inside the valve seat 1100, and the driving mechanism 1400 is electrically connected to the control circuit 1510 for driving the inner piston 1310 to move.
[0024] For the low-power intelligent composite valve 1000 according to the embodiment of the present invention, when it needs to be opened, the control circuit 1510 controls the driving mechanism 1400 to drive the inner piston 1310 to press down, so that the inner piston 1310 moves downward to open the second opening, enabling the high-pressure air at the input interface 1110 to flow into the chamber on the side of the outer piston chamber 1141 away from the outer valve core 1200 through the cavity inside the outer valve core 1200, applying a downward pressure to the outer piston chamber 1141, causing the outer piston 1230 to move towards the outer valve core 1200 direction, and discharging the air in the chamber on the side of the outer piston chamber 1141 close to the outer valve core 1200 to the outside of the valve through the exhaust hole 11411. At the same time, overcoming the elastic force of the first elastic member 1220, it pushes the outer valve core 1200 towards the input interface 1110 direction, causing the outer plug to open the interface between the input interface 1110 and the connection path 1130, enabling the high-pressure air at the input interface 1110 to flow out from the output interface 1120 through the connection path 1130. Since the end face area of the inner plug of the inner valve core 1300 is smaller than the end face area of the outer plug, the inner valve core 1300 is subjected to a smaller pressure of the high-pressure air, and the thrust required to drive the inner valve core 1300 to open is smaller, which can be pushed by a small-power and small-volume thrust mechanism, reducing the volume of the driving mechanism 1400, also reducing the standby power consumption of the driving mechanism 1400, and prolonging the service time of the valve.
[0025] It can be understood that the driving mechanism 1400 can use a motor, an electromagnet, or an electric cylinder, etc. to provide a thrust to the inner valve core 1300 towards the input interface 1110 direction. Refer to Figure 1, in this embodiment, the driving mechanism 1400 is disposed in the inner piston cavity 1142. The driving mechanism 1400 includes an electromagnet and an armature 1430. The coil 1410 of the electromagnet is electrically connected to the control circuit 1510. The armature 1430 is connected to the inner piston 1310. A slideway matching the inner piston 1310 is provided at the center of the iron core 1420 of the electromagnet to limit the movement direction of the inner piston 1310. An air gap allowing air to pass through is provided between the through hole of the partition plate 1150 and the peripheral surface of the inner valve core 1300, so that when the inner piston 1310 moves, the air in the inner piston cavity 1142 can be discharged into the outer piston cavity 1141, further reducing the resistance when pushing the inner piston 1310.
[0026] Referring to Figure 2 , in this embodiment, the input interface 1110 is provided with an internal thread. The high-pressure gas cylinder 2000 can be connected to the low-power intelligent composite valve 1000 by the external thread at the bottle mouth matching the internal thread of the input interface 1110. A sealing gasket 11112 is provided on the lower end surface of the porous ventilation support plate 1111 facing away from the inner valve core 1200. When the threaded interface of the high-pressure gas cylinder 2000 is screwed tightly into the input interface 1110, the end surface of the threaded interface of the high-pressure gas cylinder 2000 will press the sealing gasket 11112 to prevent the high-pressure gas released from the high-pressure gas cylinder 2000 from leaking through the gap between the connection of the high-pressure gas cylinder 2000 and the input interface 1110. A thimble 11111 is further provided at the center of the lower end surface of the porous ventilation support plate 1111. The direction of the thimble 11111 is parallel to the screwing-in and screwing-out direction of the internal thread. When the high-pressure gas cylinder 2000 is screwed into the input interface 1110, the thimble 11111 will press the plug at the bottle mouth of the high-pressure gas cylinder 2000 to open the bottle mouth of the high-pressure gas cylinder 2000, and the high-pressure gas in the high-pressure gas cylinder 2000 can be released into the input interface 1110 from the bottle mouth.
[0027] Referring to Figures 1 to 3, in this embodiment, a self-sealing structure is adopted between the outer plug and the interfaces between the connection passage 1130 and the input interface 1110, as well as between the inner plug and the second opening. That is, a conical surface that is inclined backward away from the connection passage 1130 from the inside to the outside is provided on the side of the outer plug facing the connection passage 1130. A conical surface that matches the inclined surface on the outer plug is provided at the interface between the input interface 1110 and the connection passage 1130. The elastic force of the first elastic member 1220 acting on the end surface of the outer plug and the pressure of the high-pressure air are in the same direction. Under the action of the two, the conical surface of the outer plug and the conical surface at the input interface 1110 are closely attached to form a seal. The greater the pressure of the high-pressure air, the tighter the seal between the outer plug and the interface between the input interface 1110 and the connection passage 1130. It can ensure that when the valve is closed, the gas will not leak for a long time. The first elastic member 1220 only provides a small elastic force to the outer plug, so that the outer plug is attached to the interfaces between the input interface 1110 and the connection passage 1130 under normal conditions, so as to ensure that the high-pressure air cannot flow onto the upper end surface of the outer plug after being connected, so that only the lower end surface of the outer plug is subjected to pressure, ensuring that the pressure of the high-pressure gas cylinder 2000 can make the outer plug fit more tightly with the interface. The deformation of the first elastic member 1220 during the sealing process is not large, which can avoid fatigue caused by large-amplitude deformation of the first elastic member 1220 for a long time and affect the sealing effect. Similarly, a conical surface that is inclined from the inside to the outside toward the first interface is provided on the side of the inner plug facing the second opening. A conical surface that matches the conical surface of the inner plug is provided at the entrance of the second opening facing the first opening. The principle and effect are the same as those of the outer plug and will not be elaborated here.
[0028] Refer to Figures 1 to 3 , the elastic member is preferably a spring. Grooves or protrusions matching the diameter of the spring can be provided at both ends of the spring to limit the position of the spring, avoiding changes in the position of the spring during movement, resulting in changes in the direction of the elastic force and affecting the normal operation of the valve. In this embodiment, a protrusion matching the diameter of the first elastic member 1220 is provided at the center of the upper end surface of the porous ventilation support plate 1111. A groove matching the diameter of the first elastic member 1220 is provided on the lower end surface of the outer plug. A protrusion matching the diameter of the second elastic member 1320 is provided on the upper end surface of the ventilation plug 1210. A protrusion matching the diameter of the second elastic member 1320 is provided on the lower end surface of the inner plug.
[0029] Refer to Figures 1 to 3, in this embodiment, sealing rings are provided between the circumferential surface of the outer valve core 1200 and the inner wall of the interface between the connection passage 1130 and the inner piston chamber 1142, and between the outer piston 1230 and the side wall of the outer piston chamber 1141. The upper end of the piston chamber 1140 is open, and the control box 1500 is embedded in the upper end of the piston chamber 1140. A sealing ring is also provided at the connection between the control box 1500 and the piston chamber 1140. The valve seat 1100 is provided with an installation screw head 1101 for fixedly installing the low-power intelligent composite valve 1000 in the fire extinguishing device.
[0030] Referring to Figure 5 , in this embodiment, the control circuit 1510 includes a controller, at least one wireless communication circuit, an interface circuit, and a valve core driving circuit. The data interface 1520 is electrically connected to the controller through the interface circuit, the wireless communication circuit is electrically connected to the controller, and the driving mechanism 1400 is electrically connected to the controller through the valve core driving circuit. In this embodiment, the wireless communication circuit includes an NB-IoT network wireless communication circuit and a WiFi broadband wireless communication circuit. The data interface 1520 is an F-Bus interface, and the valve core driving circuit is an electromagnetic valve core driving circuit.
[0031] Referring to Figure 2 , in this embodiment, a pressure sensor 1112 is provided at the input interface 1110. The sensitive element of the pressure sensor 1112 extends into the input interface 1110 to detect the pressure of the high-pressure air released from the high-pressure gas cylinder 2000. The pressure sensor 1112 is electrically connected to the controller through a flexible wire and a pressure measuring circuit. Referring to Figure 4 , a display screen 1530 is further provided on the surface of the control box 1500 for displaying status information such as pressure. In this embodiment, the display screen 1530 is an LCD display screen and is electrically connected to the controller through an LCD display driving circuit. Referring to Figure 5 , in this embodiment, a temperature sensor is further provided on the valve seat 1100. The temperature sensor is electrically connected to the controller through a temperature measuring circuit. A battery is provided in the control box 1500. The battery is electrically connected to the controller and the interface circuit through a voltage stabilizing and charging circuit to perform charging and power release, and supply power to the controller, the temperature measuring circuit, the display driving circuit, the pressure measuring circuit, the driving circuit, and each wireless communication circuit. In this embodiment, the interface circuit is an F-Bus two-wire power supply and communication sharing interface circuit, which can simultaneously transmit electric energy and data.
[0032] It can be understood that the low-power intelligent composite valve 1000 of the embodiment of the present invention can be used not only for controlling the flow of gas but also for controlling the flow of liquid.
[0033] It should be noted that in the description of the present utility model, if there is any reference to the description of directions, such as the directions or positional relationships indicated by up, down, front, back, left, right, etc., they are all based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed or operated in a specific direction, and should not be construed as a limitation to the present utility model.
[0034] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is two or more, and understandings such as "greater than", "less than", "exceeding", etc. do not include the number itself, while understandings such as "above", "below", "within", etc. include the number itself. If there is a description of "first" or "second", etc., it is only for the purpose of distinguishing technical features and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.
[0035] In the description of the present utility model, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.
[0036] The above embodiments are only the preferred embodiments of the present utility model and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model belong to the scope of protection required by the present utility model.
Claims
1. A low-power intelligent composite valve, characterized in that: include: A valve seat (1100) is provided with an input interface (1110), an output interface (1120), a connecting passage (1130) and a piston chamber (1140); the input interface (1110) and the output interface (1120) are connected via the connecting passage (1130); the piston chamber (1140) is connected with the input interface (1110) via the connecting passage (1130); a porous ventilation support plate (1111) is provided in the input interface (1110); a partition (1150) is provided in the piston chamber (1140); the partition (1150) divides the piston chamber (1140) into an outer piston chamber (1141) and an inner piston chamber (1142); and a through hole is provided on the partition (1150); The outer valve core (1200) is movably arranged in the valve seat (1100), with an outer plug provided at the first end and an outer piston (1230) provided at the second end, and a cavity penetrating the outer valve core (1200) is provided inside, the first opening of the cavity is provided on the end surface of the first end of the outer valve core (1200), and the second opening of the cavity is provided on the end surface of the second end of the outer valve core (1200), the first end of the outer valve core (1200) extends into the input interface (1110) through the interface between the connecting passage (1130) and the input interface (1110), a first elastic member (1220) is provided between the outer plug and the porous ventilation support plate (1111), and the second end of the outer valve core (1200) extends into the input interface (1110) through the interface between the connecting passage (1130) and the piston chamber (1140). In the outer piston chamber (1141), the outer valve core (1200) seals the interface between the connecting passage (1130) and the input interface (1110), and the outer piston (1230) can move in the outer piston chamber (1141). The outer piston (1230) divides the outer piston chamber (1141) into two chambers that are not connected to each other. The chamber of the outer piston chamber (1141) close to the side of the outer valve core (1200) is connected to the outside through the exhaust hole (11411). A ventilation plug (1210) is provided at the first interface of the cavity, and a through ventilation hole is provided on the ventilation plug (1210). When the outer piston (1230) moves, it will drive the outer plug to move, so as to control the outer plug to block or open the interface between the input interface (1110) and the connecting passage (1130); An inner valve core (1300) is movably arranged in the cavity, an inner plug is arranged at the first end, and an inner piston (1310) is arranged at the second end. The inner plug is movably arranged in the cavity, and the second end of the inner valve core (1300) extends into the inner piston cavity (1142) through the second opening of the cavity and the through hole of the partition (1150). A second elastic member (1320) is arranged between the inner plug and the vent plug (1210). The inner piston (1310) can move in the inner piston cavity (1142), and an air gap for air to pass through is arranged between the side wall of the second opening of the cavity and the peripheral surface of the inner valve core (1300); A control box (1500) is arranged on the valve seat (1100), a control circuit (1510) is arranged inside the box, and a data interface (1520) is arranged on the surface of the box, wherein the data interface (1520) is electrically connected to the control circuit (1510); The driving mechanism (1400) is disposed in the valve seat (1100) and is electrically connected to the control circuit (1510) for driving the inner piston (1310) to move. When the inner piston (1310) moves, it drives the inner plug to move, so as to control the inner plug to block or open the second opening of the cavity.
2. The low-power intelligent composite valve according to claim 1, characterized in that: The driving mechanism (1400) is arranged in the inner piston chamber (1142), and the driving mechanism (1400) includes an electromagnet and an armature (1430). The coil (1410) of the electromagnet is electrically connected to the control circuit (1510), the armature (1430) is connected to the inner piston (1310), and a slideway matching the inner piston (1310) is arranged at the center of the iron core (1420) of the electromagnet.
3. The low-power intelligent composite valve according to claim 1, characterized in that: An internal thread is provided in the input interface (1110), and a ejector pin (11111) is provided on the side of the porous ventilation support plate (1111) facing away from the outer valve core (1200), and the direction of the ejector pin (11111) is parallel to the direction of the internal thread.
4. The low-power intelligent composite valve according to claim 1, characterized in that: An air gap is provided between the through hole of the partition (1150) and the inner valve core (1300) for air to pass through.
5. The low-power intelligent composite valve according to claim 1, characterized in that: A sealing gasket (11112) is provided on the lower end surface of the porous ventilation support plate (1111).
6. The low-power intelligent composite valve according to claim 1, characterized in that: The control circuit (1510) includes a controller, at least one wireless communication circuit, an interface circuit and a valve core drive circuit, the data interface (1520) is electrically connected to the controller via the interface circuit, the wireless communication circuit is electrically connected to the controller, and the drive mechanism (1400) is electrically connected to the controller via the valve core drive circuit.
7. The low-power intelligent composite valve according to claim 6, characterized in that: The input interface (1110) is provided with a pressure sensor (1112), and the control circuit (1510) further includes a pressure measuring circuit, and the pressure sensor (1112) is electrically connected to the control circuit (1510) via the pressure measuring circuit.
8. The low-power intelligent composite valve according to claim 6, characterized in that: A temperature sensor is provided on the valve seat (1100), and the control circuit (1510) further comprises a temperature measuring circuit, and the temperature sensor is electrically connected to the controller via the temperature measuring circuit.
9. The low-power intelligent composite valve according to claim 6, characterized in that: A display screen (1530) is provided on the surface of the control box (1500), and the control circuit (1510) further comprises a display driving circuit, and the display screen (1530) is electrically connected to the controller via the display driving circuit.
10. The low-power intelligent composite valve according to claim 6, characterized in that: A battery is also provided in the control box (1500), and the control circuit (1510) further comprises a voltage stabilizing and charging circuit, and the battery is electrically connected to the controller and the interface circuit via the voltage stabilizing and charging circuit.