CN110230727B - Valve capable of self-checking and alarming and automatically closing when valve is damaged - Google Patents
Valve capable of self-checking and alarming and automatically closing when valve is damaged Download PDFInfo
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- CN110230727B CN110230727B CN201910558713.2A CN201910558713A CN110230727B CN 110230727 B CN110230727 B CN 110230727B CN 201910558713 A CN201910558713 A CN 201910558713A CN 110230727 B CN110230727 B CN 110230727B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a valve capable of self-checking, alarming when the valve is damaged and automatically closing, which comprises a base and is characterized in that the base is positioned above the ground, a valve body mechanism is arranged above the base, a valve plug mechanism is arranged in the valve body mechanism, a detection mechanism is arranged above the valve body mechanism, an electric control mechanism is arranged on the side of the valve body mechanism, a controller and a battery box are respectively arranged on the side of a valve protective shell, a power input end of the controller is electrically connected with a power output end of the battery box, a power output end of the controller is respectively electrically connected with a valve shaft detection encoder and the electric control mechanism, a signal output end of the controller is electrically connected with the electric control mechanism, and a signal input end of the controller is respectively electrically connected with the valve shaft detection encoder and the electric control mechanism. The invention has the advantages of simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of valves, in particular to a valve which can be self-checked, and can give an alarm and be automatically closed when the valve is damaged.
Background
The traditional valve is not adjusted for a long time, so that the valve is damaged due to the fact that rusting and the like easily occur, the damage is difficult to detect from the outside, and the production of a factory is greatly influenced.
Disclosure of Invention
The invention aims to solve the problems and designs a valve which can be self-checked, and can give an alarm and automatically close when the valve is damaged.
The valve comprises a base, wherein the base is positioned above the ground, a valve body mechanism is arranged above the base, the valve body mechanism comprises a valve protection shell fixedly connected above the base, a water inlet and a water outlet which are formed in two sides of the valve protection shell, a valve box fixedly connected inside the valve protection shell, a valve box inlet formed below the side surface of the valve box, a water inlet pipe with two ends respectively fixedly connected with the valve box inlet and the water inlet, a valve box outlet formed above the side surface of the valve box, a water outlet pipe with two ends respectively fixedly connected with the valve box outlet and the water outlet, a valve box top cover sealing rubber gasket fixedly connected above the valve box, a valve box top cover connected with the valve box through threads above the valve box top cover sealing rubber gasket, a valve box shaft hole formed in the center of the valve box top cover, a valve box cover, a valve cover with the valve cover, a valve cover and a valve cover, The valve box shaft sealing ring is installed on a valve box shaft hole, a valve protection shell shaft hole corresponding to the position of the valve protection shell is formed above the valve protection shell and corresponds to the position of the valve box shaft hole, a valve protection shell ball screw nut installed on the valve protection shell shaft hole, a ball screw installed on the valve protection shell ball screw nut, a manual rotary valve frame fixedly connected with the ball screw is arranged above the ball screw, a support frame fixedly connected with the ball screw is arranged below the ball screw, an upper rotary platform fixedly connected with the lower rotary platform is arranged below the rotary support frame, a rotary bearing installed on the lower surface of the upper rotary platform, a lower rotary platform fixedly connected with the lower part of the rotary bearing, and a valve body telescopic shaft fixedly connected with the lower rotary platform and inserted into the valve box shaft sealing ring jointly form the valve box shaft sealing ring, a valve plug mechanism is arranged inside the valve body mechanism, a detection mechanism is arranged above the valve body mechanism, and consists of a detection frame fixedly connected with the upper part of the valve protection shell, The valve shaft detection encoder mounting frame is arranged at one end of the upper surface of the detection frame, the valve shaft detection encoder is arranged on the valve shaft detection encoder mounting frame, the valve shaft detection encoder gear is sleeved on the rotating end of the valve shaft detection encoder, the detection bearing frame is arranged at the other end of the upper surface of the detection frame, the detection bearing is arranged on the detection bearing frame, the detection shaft inserted on the detection bearing, the detection external thread gear sleeved on the detection shaft and the detection gear are jointly formed, the side of the valve body mechanism is provided with an electric control mechanism, the side of the valve protection shell is respectively provided with a controller and a battery box, the power input end of the controller is electrically connected with the power output end of the battery box, the power output end of the controller is respectively electrically connected with the valve shaft detection encoder and the electric control mechanism, and the signal output end of the controller is electrically connected with the electric control mechanism, and the signal input end of the controller is respectively and electrically connected with the valve shaft detection encoder and the electric control mechanism.
The valve plug mechanism is composed of a valve power frame, a sealing gasket and a sealing ring, wherein the valve power frame is positioned inside the valve box and fixedly connected with the valve body telescopic shaft, and the sealing gasket and the sealing ring are installed on the valve power frame.
The electric control mechanism is composed of a flow detection pipe arranged at a water outlet, a flow rate encoder arranged on the flow detection pipe, a flow rate detection blade sleeved on the rotating end of the flow rate encoder, and a water flow electromagnetic valve fixedly connected to one side of the flow detection pipe, wherein the flow rate encoder is electrically connected with the power output end and the signal input end of the controller, and the water flow electromagnetic valve is electrically connected with the power output end and the signal output end of the controller.
The detection gear is tightly meshed with the valve shaft detection encoder gear.
The detection external thread gear is tightly meshed with the ball screw.
The sealing ring is tightly attached to the valve box
The controller has a wireless signal receiving and transmitting function.
The controller is provided with a capacitive touch screen.
The controller is externally sleeved with a dustproof and waterproof shell.
The MCU model of the controller is an ARM series single chip microcomputer.
The valve manufactured by the technical scheme of the invention can automatically check and alarm and automatically close when the valve is damaged, and automatically close and alarm when the information is inconsistent due to the damage of the valve by detecting the flow rate of water and comparing the flow rate with the current position of the valve, thereby reducing the production loss.
Drawings
FIG. 1 is a schematic diagram of a valve of the present invention that is self-checking and alarms and automatically closes when the valve is damaged;
FIG. 2 is a schematic view of the valve body mechanism of the present invention;
FIG. 3 is a schematic view of the detection mechanism of the present invention;
FIG. 4 is a schematic view of a valve plug mechanism according to the present invention;
FIG. 5 is a schematic view of the electrical control mechanism of the present invention;
in the figure, 1, a base; 2. a valve protective housing; 3. a water inlet; 4. a water outlet; 5. a valve box; 6. a valve box inlet; 7. a water inlet pipe; 8. a valve box outlet; 9. a water outlet pipe; 10. the valve box top cover is sealed by a rubber gasket; 11. a valve box top cover; 12. a valve box shaft hole; 13. a valve box shaft seal ring; 14. a valve protection housing shaft bore; 15. a valve containment housing ball screw nut; 16. a ball screw; 17. manually rotating the valve frame; 18. rotating the support frame; 19. an upper rotating platform; 20. a rotating bearing; 21. a lower rotary platform; 22. a valve body telescopic shaft; 23. a detection frame; 24. the valve shaft detection encoder mounting frame; 25. a valve shaft detection encoder; 26. the valve shaft detects the encoder gear; 27. detecting a bearing frame; 28. detecting a bearing; 29. detecting a shaft; 30. detecting the external thread gear; 31. detecting the gear; 32. a controller; 33. a battery case; 34. a valve power frame; 35. a gasket; 36. a seal ring; 37. a flow rate detection tube; 38. a flow rate encoder; 39. a flow velocity detection leaf; 40. a water flow solenoid valve.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1-5, a valve capable of self-checking and alarming and automatically closing when the valve is damaged comprises a base 1, wherein the base 1 is located above the ground, a valve body mechanism is arranged above the base 1, and the valve body mechanism comprises a valve protection housing 2 fixedly connected above the base 1, a water inlet 3 and a water outlet 4 arranged at two sides of the valve protection housing 2, a valve box 5 fixedly connected inside the valve protection housing 2, a valve box inlet 6 arranged below the side surface of the valve box 5, a water inlet pipe 7 with two ends respectively fixedly connected with the valve box inlet 6 and the water inlet 3, a valve box outlet 8 arranged above the side surface of the valve box 5, a water outlet pipe 9 with two ends respectively fixedly connected with the valve box outlet 8 and the water outlet 4, a valve box top cover sealing rubber gasket 10 fixedly connected above the valve box 5, a valve box top cover 11 arranged above the valve top cover sealing rubber gasket 10 and in threaded connection with the valve box 5, a valve box top cover 11, A valve box shaft hole 12 arranged at the center of the valve box top cover 11, a valve box shaft sealing ring 13 arranged on the valve box shaft hole 12, a valve protection shell shaft hole 14 positioned above the valve protection shell 2 and corresponding to the position of the valve box shaft hole 12, a valve protection shell ball screw nut 15 arranged on the valve protection shell shaft hole 14, a ball screw 16 arranged on the valve protection shell ball screw nut 15, a manual rotary valve frame 17 fixedly connected above the ball screw 16, a support frame 18 fixedly connected with the ball screw 16 and positioned below the ball screw 16, an upper rotary platform 19 fixedly connected below the rotary support frame 18, a rotary bearing 20 arranged on the lower surface of the upper rotary platform 19, a lower rotary platform 21 fixedly connected below the rotary bearing 20, and a valve body telescopic shaft 22 fixedly connected below the lower rotary platform 21 and inserted in the valve box shaft sealing ring 13, the valve body mechanism is internally provided with a valve plug mechanism, a detection mechanism is arranged above the valve body mechanism, the detection mechanism consists of a detection frame 23 fixedly connected above the valve protection shell 2, a valve shaft detection encoder mounting frame 24 arranged at one end of the upper surface of the detection frame 23, a valve shaft detection encoder 25 arranged on the valve shaft detection encoder mounting frame 24, a valve shaft detection encoder gear 26 sleeved on the rotating end of the valve shaft detection encoder 25, a detection bearing frame 27 arranged at the other end of the upper surface of the detection frame 23, a detection bearing 28 arranged on the detection bearing frame 27, a detection shaft 29 inserted on the detection bearing 28, a detection external thread gear 30 sleeved on the detection shaft 29 and a detection gear 31, an electric control mechanism is arranged at the side of the valve body mechanism, a controller 32 and a battery box 33 are respectively arranged at the side of the valve protection shell 2, and the power input end of the controller is electrically connected with the power output end of the battery box, the power supply output end of the controller is respectively and electrically connected with the valve shaft detection encoder and the electric control mechanism, the signal output end of the controller is electrically connected with the electric control mechanism, and the signal input end of the controller is respectively and electrically connected with the valve shaft detection encoder and the electric control mechanism; the valve plug mechanism is composed of a valve power frame 34 which is positioned in the valve box 5 and fixedly connected with the valve body telescopic shaft 22, a sealing gasket 35 and a sealing ring 36 which are arranged on the valve power frame 34; the electric control mechanism is composed of a flow detection tube 37 arranged at the water outlet 4, a flow speed encoder 38 arranged on the flow detection tube 37, a flow speed detection blade 39 sleeved on the rotating end of the flow speed encoder 38 and a water flow electromagnetic valve 40 fixedly connected with one side of the flow detection tube 37, the flow speed encoder is electrically connected with the power output end and the signal input end of the controller, and the water flow electromagnetic valve is electrically connected with the power output end and the signal output end of the controller; the detection gear 31 is tightly meshed with the valve shaft detection encoder gear 26; the detection external thread gear 30 is tightly meshed with the ball screw 16; the sealing ring 36 is tightly attached to the valve box 5; the controller 32 has a wireless signal receiving and transmitting function; the controller 32 is provided with a capacitive touch screen; a dustproof and waterproof shell is sleeved outside the controller 32; the MCU model of the controller 32 is an ARM series single chip microcomputer.
The embodiment is characterized by comprising a base and is characterized in that the base is positioned above the ground, a valve body mechanism is arranged above the base and consists of a valve protection shell fixedly connected above the base, a water inlet and a water outlet which are arranged at two sides of the valve protection shell, a valve box fixedly connected inside the valve protection shell, a valve box inlet arranged below the side surface of the valve box, a water inlet pipe with two ends respectively fixedly connected with the valve box inlet and the water inlet, a valve box outlet arranged above the side surface of the valve box, a water outlet pipe with two ends respectively fixedly connected with the valve box outlet and the water outlet, a valve box top cover sealing rubber pad fixedly connected above the valve box, a valve box top cover connected with the valve box through threads and positioned above the valve box top cover sealing rubber pad, a valve box shaft hole arranged at the center of the valve box top cover, a valve box shaft sealing ring arranged on the shaft hole of the valve box, and a valve shaft hole positioned above the valve protection shell and corresponding to the position of the valve box shaft hole, The valve protection shell ball screw nut is installed on a shaft hole of the valve protection shell, a ball screw is installed on the ball screw nut of the valve protection shell, a manual rotary valve frame fixedly connected above the ball screw, a support frame fixedly connected with the ball screw below the ball screw, an upper rotary platform fixedly connected below the rotary support frame, a rotary bearing installed on the lower surface of the upper rotary platform, a lower rotary platform fixedly connected below the rotary bearing, a valve body telescopic shaft fixedly connected below the lower rotary platform and inserted in a valve box shaft sealing ring, a valve plug mechanism is arranged inside the valve body mechanism, a detection mechanism is arranged above the valve body mechanism, the detection mechanism consists of a detection frame fixedly connected above the valve protection shell, a valve shaft detection encoder installation frame installed at one end of the upper surface of the detection frame, a valve shaft detection encoder installed on the valve shaft detection encoder installation frame, The suit detects the valve shaft detection encoder gear on the encoder rotation end is detected to the valve shaft, install the detection bearing bracket of the detection frame upper surface other end, install the detection bearing on detecting the bearing bracket, cartridge is detecting the axle on detecting the bearing, the suit is detecting epaxial detection external screw thread gear and detecting that the gear constitutes jointly, valve body mechanism side is equipped with electrical control mechanism, valve protective housing side is equipped with controller and battery case respectively, the power input end of controller and the power output end electric connection of battery case, the power output end of controller respectively with the valve shaft detection encoder, electrical control mechanism electric connection, the signal output part and the electrical control mechanism electric connection of controller, the signal input part of controller respectively with the valve shaft detection encoder, electrical control mechanism electric connection. By detecting the water flow velocity and comparing the water flow velocity with the current position of the valve, the valve is automatically closed and an alarm is given when the information is inconsistent due to the damage of the valve, and the production loss is reduced.
In this embodiment, connect outlet pipe and oral siphon respectively on water inlet and rivers solenoid valve, through touch-sensitive screen activation equipment, it reciprocates to reach the valve effect in the valve box to rotate manual rotatory valve frame control valve power frame, will rotate information transfer to valve shaft detection encoder and collect the current position information of valve power frame through the detection external screw thread gear rather than closely meshing when rotating manual rotatory valve frame, the rotational speed through the velocity of flow detection leaf of collecting with the velocity of flow encoder is compared, the position of sealed pad is less than valve box exit position in the comparison information, the valve box export is in the closed condition this moment, if the velocity of flow encoder detects the velocity of flow and detects the leaf and still rotate this moment, then close temporarily the rivers solenoid valve, and inform maintenance personal through cell-phone APP and overhaul.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a but self-checking and report to police and self-closing's valve when valve damages, includes base (1), its characterized in that, base (1) is located the ground top, base (1) top is equipped with valve body mechanism, valve body mechanism is by valve protective housing (2) that is located base (1) top fixed connection, open water inlet (3) and delivery port (4) in valve protective housing (2) both sides, be located valve case (5) inside fixed connection of valve protective housing (2), open valve case entry (6) of valve case (5) side surface below, both ends respectively with valve case entry (6) and water inlet (3) fixed connection's oral siphon (7), open valve case export (8) of valve case (5) side surface top, both ends respectively with valve case export (8) and delivery port (4) fixed connection's outlet pipe (9), be located valve case (5) top fixed connection's valve case top cap sealing rubber pad (10), The valve box top cover (11) is positioned above a valve box top cover sealing rubber gasket (10) and is in threaded connection with a valve box (5), a valve box shaft hole (12) formed in the center of the valve box top cover (11), a valve box shaft sealing ring (13) installed on the valve box shaft hole (12), a valve protection shell shaft hole (14) positioned above a valve protection shell (2) and corresponding to the valve box shaft hole (12), a valve protection shell ball screw nut (15) installed on the valve protection shell shaft hole (14), a ball screw (16) installed on the valve protection shell ball screw nut (15), a manual rotating valve frame (17) fixedly connected above the ball screw (16), a support frame (18) fixedly connected with the ball screw (16) below the ball screw (16), an upper rotating platform (19) fixedly connected below the rotating support frame (18), a rotating bearing (20) installed on the lower surface of the upper rotating platform (19), and a valve, Be located lower rotary platform (21) of swivel bearing (20) below fixed connection, be located lower rotary platform (21) below fixed connection and valve body telescopic shaft (22) of cartridge in valve case axle sealing washer (13) and constitute jointly, the inside valve plug mechanism that is equipped with of valve body mechanism, valve body mechanism top is equipped with detection mechanism, detection mechanism detects encoder mounting bracket (24) by detection frame (23) that are located valve protective housing (2) top fixed connection, the valve shaft of installing at detection frame (23) upper surface one end, valve shaft detection encoder (25) of installing on valve shaft detection encoder mounting bracket (24), suit detect valve shaft detection encoder gear (26) on valve shaft detection encoder (25) rotation end, install detection bearing frame (27) at the detection frame (23) upper surface other end, install detection bearing (28) on detection bearing frame (27), A detection shaft (29) inserted on the detection bearing (28), a detection external thread gear (30) sleeved on the detection shaft (29) and a detection gear (31), an electric control mechanism is arranged on the lateral side of the valve body mechanism, a controller (32) and a battery box (33) are respectively arranged on the lateral side of the valve protection shell (2), the power supply input end of the controller is electrically connected with the power supply output end of the battery box, the power supply output end of the controller is respectively electrically connected with the valve shaft detection encoder and the electric control mechanism, the signal output end of the controller is electrically connected with the electric control mechanism, the signal input end of the controller is respectively electrically connected with the valve shaft detection encoder and the electric control mechanism, and by detecting the flow rate of water flow and comparing the flow rate with the current position of the valve, when the information is inconsistent due to the damage of the valve, the valve is automatically closed and an alarm is given, so that the production loss is reduced;
the valve plug mechanism is composed of a valve power frame (34) which is positioned inside the valve box (5) and fixedly connected with the valve body telescopic shaft (22), a sealing gasket (35) and a sealing ring (36) which are installed on the valve power frame (34), the electric control mechanism is composed of a flow detection pipe (37) which is positioned at the water outlet (4), a flow rate encoder (38) which is installed on the flow detection pipe (37), a flow rate detection blade (39) which is sleeved on the rotating end of the flow rate encoder (38) and a water flow electromagnetic valve (40) which is positioned on one side of the flow detection pipe (37) and fixedly connected, the flow rate encoder is electrically connected with the power output end and the signal input end of the controller, and the water flow electromagnetic valve is electrically connected with the power output end and the signal output end of the controller;
during the use, connect outlet pipe and oral siphon respectively on water inlet and rivers solenoid valve, through touch-sensitive screen activation equipment, it reciprocates and reaches the valve effect to rotate manual rotatory valve frame control valve power frame in the valve box, will rotate information transfer to valve shaft detection encoder and collect the current position information of valve power frame through the detection external screw thread gear rather than closely meshing when rotating manual rotatory valve frame, the rotational speed through the velocity of flow detection leaf of collecting with the velocity of flow encoder is compared, the position of sealed pad is less than the position of valve box export in the comparison information, the valve box export is in the closed condition this moment, if the velocity of flow encoder detects the velocity of flow and detects the leaf and still rotate this moment, then close temporarily the rivers solenoid valve, and inform maintenance personal through cell-phone APP and overhaul.
2. A valve which is self-checking and alarms and automatically closes when the valve is damaged, according to claim 1, wherein the detection gear (31) is tightly engaged with the valve shaft detection encoder gear (26).
3. A valve which is self-checking and which gives an alarm and automatically closes in the event of valve failure, according to claim 1, wherein the detection externally threaded gear (30) is in close engagement with the ball screw (16).
4. A valve which is self-checking and which alarms and automatically closes in the event of valve failure, according to claim 1, wherein the sealing ring (36) is in close abutment with the valve housing (5).
5. A valve which is self-checking and which alarms and automatically closes when the valve is damaged, as claimed in claim 1, wherein said controller (32) has wireless signal transmitting and receiving functions.
6. A valve that is self-checking and alarms and automatically closes when the valve is damaged according to claim 1, wherein the controller (32) has a capacitive touch screen.
7. A valve which is self-checking and which alarms and automatically closes when the valve is damaged, according to claim 1, wherein the controller (32) is externally sheathed with a dustproof and waterproof casing.
8. A valve that can self-check and alarm and automatically close when the valve is damaged, according to claim 1, characterized in that the MCU type of the controller (32) is an ARM series single chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558713.2A CN110230727B (en) | 2019-06-26 | 2019-06-26 | Valve capable of self-checking and alarming and automatically closing when valve is damaged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558713.2A CN110230727B (en) | 2019-06-26 | 2019-06-26 | Valve capable of self-checking and alarming and automatically closing when valve is damaged |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110230727A CN110230727A (en) | 2019-09-13 |
| CN110230727B true CN110230727B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910558713.2A Active CN110230727B (en) | 2019-06-26 | 2019-06-26 | Valve capable of self-checking and alarming and automatically closing when valve is damaged |
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| CN (1) | CN110230727B (en) |
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| US6536469B2 (en) * | 1999-06-29 | 2003-03-25 | Fisher Controls International, Inc. | Self-centering magnet assembly for use in a linear travel measurement device |
| US6382226B1 (en) * | 2001-04-17 | 2002-05-07 | Fisher Controls International, Inc. | Method for detecting broken valve stem |
| TWI223042B (en) * | 2003-02-24 | 2004-11-01 | Seibu Electric & Machinery Co | Self-diagnosis valve actuator and intelligent valve actuator |
| NL2002209C2 (en) * | 2008-11-14 | 2010-05-17 | Asco Controls Bv | Solenoid valve with sensor for determining stroke, velocities and/or accelerations of a moveable core of the valve as indication of failure modus and health status. |
| CN201764084U (en) * | 2010-01-19 | 2011-03-16 | 刘卫国 | Intelligent water shut-off and warning valve |
| CN102777615B (en) * | 2012-07-27 | 2013-12-25 | 内蒙古工业大学 | Flow control valve |
| CN204062130U (en) * | 2014-07-07 | 2014-12-31 | 深圳市凌宝电子有限公司 | A kind of device detecting electric valve controller open and-shut mode |
| CN104315245B (en) * | 2014-11-03 | 2017-02-22 | 上海源致机器人有限公司 | Position detection device |
| CN205806625U (en) * | 2016-05-23 | 2016-12-14 | 长安益阳发电有限公司 | A kind of valve control device |
| CN105909854B (en) * | 2016-05-23 | 2017-04-19 | 长安益阳发电有限公司 | Valve control device and control method thereof |
| CN108775440A (en) * | 2018-06-17 | 2018-11-09 | 陆燕英 | A kind of solenoid valve that can promptly prevent coil damage failure |
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2019
- 2019-06-26 CN CN201910558713.2A patent/CN110230727B/en active Active
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Effective date of registration: 20210707 Address after: 317600 science and technology industry functional zone of Yuhuan City, Taizhou City, Zhejiang Province (Huxin section) Applicant after: Yuhuan Dadi Copper Co.,Ltd. Address before: 323600 Zhongshan Street Huashu Co., Ltd., Yunhe County, Lishui City, Zhejiang Province Applicant before: Li Min |
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