CN203809818U - Electrically operated valve - Google Patents

Electrically operated valve Download PDF

Info

Publication number
CN203809818U
CN203809818U CN201420045960.5U CN201420045960U CN203809818U CN 203809818 U CN203809818 U CN 203809818U CN 201420045960 U CN201420045960 U CN 201420045960U CN 203809818 U CN203809818 U CN 203809818U
Authority
CN
China
Prior art keywords
valve
control circuit
electric
station
completely
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420045960.5U
Other languages
Chinese (zh)
Inventor
季小忠
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yingfeng Electronic Technology Co ltd
Original Assignee
SHENHUA ELECTRIC Co Ltd NANTONG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENHUA ELECTRIC Co Ltd NANTONG filed Critical SHENHUA ELECTRIC Co Ltd NANTONG
Priority to CN201420045960.5U priority Critical patent/CN203809818U/en
Application granted granted Critical
Publication of CN203809818U publication Critical patent/CN203809818U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The utility model relates to an electrically operated valve. A sealing mechanism of the electrically operated valve is driven by a driving mechanism to control the opening and closing of the valve; the driving mechanism is connected with a power supply end through a control circuit; the valve sealing mechanism comprises two stations, namely a completely opened station and a completely closed station; when the valve sealing mechanism moves to the completely opened station or the completely closed station, the valve sealing mechanism can drive a position sensing assembly to send a signal to the control circuit, and the driving mechanism is stopped by the control circuit. By arranging position sensors on the completely opened station and the completely closed station of the valve, the valve sealing mechanism can stop working only when the valve is completely opened or completely closed, and the problems that after the traditional electrically operated valve is used for a long time, liquid leakage occurs in a pipeline system when the traditional electrically operated valve cannot be completely closed, certain flow resistance is brought to a pipeline when the traditional electrically operated valve cannot be completely opened and the like are effectively solved.

Description

A kind of electric valve
Technical field
The utility model relates to a kind of electric valve, belongs to pipeline field.
Background technique
In pipe-line system, the automation control of liquid communication be unable to do without electric valve, as solenoid valve, electric ball valve; The remarkable shortcoming of electric ball valve is: once 1. dead electricity drives the actuator of ball valve rotation to lose kinetic energy, ball valve that is cannot return back to closed position, just cannot block the liquid communication in pipe-line system.2. electric ball valve is carrying out when closing function, and ball valve can not be closed completely, causes and in pipe-line system, has fluid seepage.
Model utility content
The purpose of this utility model is: the utility model is for the technical defect of existing electric ball valve, provides the one can complete totally enclosed electric valve, solves the problem that electric valve can automatically be closed in dead electricity situation suddenly simultaneously.
The utility model is realized by the following method:
A kind of electric valve, described valve comprises control module and power unit;
Described control module comprises control module, feeder ear, position sensing assembly, and described control module module controls power unit opens or closes valve, and described electric valve is connected and powers with power supply by feeder ear;
Described power unit comprises driving mechanism and valve closing means, the opening and closing of control valve under the driving of driving mechanism of described valve closing means, described driving mechanism is connected with feeder ear by control module, described valve closing means comprises opens and seals completely two stations completely, when described valve closing means moves to described open completely or when complete totally enclosed station, can send signal to sending control module by activation point sensory package, stop driving mechanism by control module.
Described position sensing assembly comprises the driving element being arranged on valve closing means and is connected to the station primary element in control module, between described driving element and station primary element, by interlock, send the station signal of valve closing means to control module.
As further innovation of the present utility model, described driving element comprises the operation unit being fixed on valve closing means, described station primary element comprises two stroke sensors that are connected in control module, described two stroke sensors are arranged on respectively opening station completely and sealing station completely of valve, described operation unit, by the control end of touching stroke sensor, makes stroke sensor send the station signal of valve closing means to control module.
As further innovation of the present utility model, described valve also comprises a spool and valve rod, described spool is fixed on valve rod, make spool close or open valve by rotation valve rod, described valve rod is connected with driving mechanism, and described operation unit comprises a protrusion means, and described protrusion means is fixed on valve rod, described valve rod is turning to when opening completely or sealing station completely, and protrusion means can be touched the control end of stroke sensor.
As further innovation of the present utility model, described to open and seal completely the angle forming between station be completely 90 °.
As further innovation of the present utility model, described valve is bulb stopper valve.
As further innovation of the present utility model, described valve also comprises the seal element between spool and water intake, water outlet, described spool is arranged on seal element central part, be provided with for allowing the through hole of spool conducting fluid in the axial location of seal element, described valve body is positioned at spool position and is provided with a limited ring coaxial with water outlet, water intake, described seal element laterally wherein one end and top be pressed on limited ring, the horizontal the other end of described seal element compresses by a hold-down ring being fixed on valve body.
As further innovation of the present utility model, described seal element adopts PTFE to make.
As further innovation of the present utility model: it is the inner groovy of 180 ° that the fixed end of described spool and valve rod is provided with radian.
As further innovation of the present utility model, between described valve rod and valve body, be provided with seal ring.
As further innovation of the present utility model, in described valve body, be provided with the cylindrical cavity coaxial with valve rod, in cylindrical cavity, be provided with gland nut, described gland nut is that periphery is provided with screw thread, be fixedly connected with cylindrical cavity by screw thread, described seal ring array arrangement is at the inner headed face of gland nut.
As further innovation of the present utility model, described electric valve passes through powered by direct current, described stroke sensor is normal close type switch, described two normally closed switchs lay respectively at the two ends of the power supply line of driving mechanism, described normally closed switch is also parallel with respectively diode, described two ends diode anodal simultaneously towards or driving mechanism dorsad.
As further innovation of the present utility model, described normal close type switch is sensitive switch.
As further innovation of the present utility model, described electric valve also comprises stand-by power supply mechanism, described stand-by power supply mechanism comprises relay, battery module, feeder ear is connected and powers with the electromagnet of relay by control module, described driving mechanism is connected with control module by the normally-closed contact of relay, between described battery module and driving mechanism, pass through the normally opened contact conducting of relay, in the time that feeder ear is stopped power supply, the solenoid circuit of control module block system relay, normally opened contact closure, battery module is connected with feeder ear by control module, battery module and motor Opposite direction connection, in the time that battery module is communicated with motor, motor rotates backward closing valve.
As further innovation of the present utility model, described control module also comprises the control device that sends control signal as control module, between described control device and control module, is connected by rectification circuit.
As further innovation of the present utility model, described driving mechanism is direct current generator.
As further innovation of the present utility model, it is characterized in that: described direct current generator is permanent-magnetic DC planetary toothed gearing electric motor.
beneficial effect
1, the utility model is by opening station completely and sealing station completely sensor is set at valve, make valve only in the time closing completely or open completely, valve closing means just can quit work, effectively solve traditional electric valve after long-time use, in the time cannot closing completely, cause and in pipe-line system, have fluid seepage, or in the time cannot opening completely, can bring the problems such as certain flow resistance to pipeline.
2, the utility model, by adding relay and storage battery, is realized valve after power-off, still can throttle down.
3, relay of the present utility model is connected with control module, and the in the situation that of power-off suddenly, this valve can be closed automatically.
Brief description of the drawings
Schematic diagram when Fig. 1 is valve open.
Schematic diagram when Fig. 2 is valve closing.
Fig. 3 is the sectional drawing of A in Fig. 1 and 2.
Fig. 4 is circuit structure diagram of the present utility model.
Embodiment
Be described further below in conjunction with accompanying drawing
As shown in Fig. 1 ~ 4, this product is a kind of electronic bulb stopper valve, comprises valve body 9, is provided with control module and power unit in valve body 9;
Wherein power unit comprises valve rod 4, spherical valve core 6, motor 11, axle sleeve, valve rod 4 upper ends are connected with motor 11 rotating shafts by axle sleeve, lower end is that 180 degree cambered surfaces embed the groove on spool 6, while rotation with motor 11, be with movable valve plug 6 together to rotate, spool 6 is positioned at valve body 9, for the penetrating spherical surface body of stainless steel hollow, hollow channel is arranged on spool 6 middle parts, axle sleeve has a cam 10, described cam 10 rotates with axle sleeve, by rotation, make the hollow via-hole of spool 6 can be communicated with water intake 8 and the water outlet 5 on valve body 9, on water outlet 5 and water intake 8, be provided with the seal ring 7 that PTFE is made, seal ring is used for wrapping up spool 6, improve sealing, the groove of valve rod 4 is provided with the seal ring of rubber system, sealing for increasing valve rod 4 with valve body 9, wherein motor 11 is permanent-magnetic DC planetary toothed gearing electric motor,
Wherein control module comprises control module 1, feeder ear, sensitive switch 3, diode, supply module 1 is conventional control relay circuit, feeder ear is connected to the two poles of the earth of motor 11 by control module 1, on the inlet wire of the two poles of the earth of motor 11, be respectively connected with a sensitive switch 3, the diode that also has with sensitive switch 3 parallel connections, the anodal while of diode is towards the inlet wire connecting end of motor 11, sensitive switch 3 is 90 degree settings in valve body 9, ball valve closed condition, the sphere of spool 6 is just to water intake 8, apply control signal, circuit control module 1 is rotated in the forward motor 11, cam 10 on axle sleeve is rotated in the forward thereupon, cam 10 on axle sleeve moves 90 and spends time top and press sensitive switch 3 buttons, motor 11 power-off, spool 6 leaves standstill, spool 6 through holes are now just to valve body 9 water intakes 8, ball valve completes breakdown action, in ball valve opening state, be that spool 6 through holes are just to valve body 9 water intakes 8, cancel control signal, circuit control module 1 makes motor 11 counterrotatings, spool 6, valve rod 4, cam 10 counterrotating thereupon on axle sleeve, another sensitive switch 3 buttons are pressed on cam 10 inverted running 90 degree tops on axle sleeve, motor 11 power-off, spool 6 leaves standstill, spool 6 through holes now and valve body 9 water intake 8 degree in a vertical angle, and the spherical surface body of spool 6 is blocked water intake 8 completely, complete the closing motion of ball valve, control module is arranged on the top of valve body 9, when diode has ensured that normally closed sensitive switch 3 is pressed, the power supply circuits of motor 11 can not be disconnected, but switch to unidirectional circuit by diode, backward current cannot be worked by diode drive motor 11, and motor 11 is while working, make diode fails with the normally-closed contact switch of diodes in parallel, motor 11 is normally worked,
Valve also comprises spool and water intake 8, seal element 7 between water outlet 5, spool is arranged on seal element 7 central parts, be provided with for allowing the through hole of spool conducting fluid in the axial location of seal element 7, valve body is positioned at spool position and is provided with one and water outlet 5, the limited ring that water intake 8 is coaxial, laterally wherein one end and top are pressed on limited ring seal element 7, the horizontal the other end of seal element 7 compresses by a hold-down ring 14 being fixed on valve body, seal element 7 is pressed on spool 6 always, even if seal element 7 weares and teares, also can adjust fast, seal element 7 adopts PTFE to make.
In valve body, be provided with the cylindrical cavity coaxial with valve rod, be provided with gland nut 12 in cylindrical cavity, gland nut 12, for periphery is provided with screw thread, is fixedly connected with cylindrical cavity by screw thread, and seal ring 13 array arrangements are at gland nut;
Electric valve also comprises stand-by power supply mechanism, stand-by power supply mechanism comprises relay, battery module 2, feeder ear is connected and powers with the electromagnet of relay by control module 1, driving mechanism is connected with control module 1 by the normally-closed contact of relay, between battery module 2 and driving mechanism, pass through the normally opened contact conducting of relay, in the time that feeder ear is stopped power supply, the solenoid circuit of control module 1 block system relay, normally opened contact closure, battery module 2 is connected with feeder ear by control module 1, battery and motor 11 Opposite direction connections, in the time that battery is communicated with motor 11, motor 11 rotates backward, valve is sealed.

Claims (16)

1. an electric valve, is characterized in that: described valve comprises valve body, control circuit and power unit;
Described control circuit comprises control circuit, feeder ear, position sensing assembly, and described control circuit module controls power unit opens or closes valve, and described electric valve is connected and powers with power supply by feeder ear;
Described power unit comprises driving mechanism and valve closing means, the opening and closing of control valve under the driving of driving mechanism of described valve closing means, described driving mechanism is connected with feeder ear by control circuit, described valve closing means comprises opens and seals completely two stations completely, when described valve closing means moves to described open completely or when complete totally enclosed station, can send signal to sending control circuit by activation point sensory package, stop driving mechanism by control circuit;
Described position sensing assembly comprises the driving element being arranged on valve closing means and is connected to the station primary element on control circuit, between described driving element and station primary element, by interlock, send the station signal of valve closing means to control circuit.
2. a kind of electric valve as claimed in claim 1, it is characterized in that: described driving element comprises the operation unit being fixed on valve closing means, described station primary element comprises two stroke sensors that are connected on control circuit, described two stroke sensors are arranged on respectively opening station completely and sealing station completely of valve, described operation unit, by the control end of touching stroke sensor, makes stroke sensor send the station signal of valve closing means to control circuit.
3. a kind of electric valve as claimed in claim 2, described valve also comprises a spool and valve rod, described spool is fixed on valve rod, make spool close or open valve by rotation valve rod, it is characterized in that: described valve rod is connected with driving mechanism, described operation unit comprises a protrusion means, and described protrusion means is fixed on valve rod, described valve rod is turning to when opening completely or sealing station completely, and protrusion means can be touched the control end of stroke sensor.
4. a kind of electric valve as claimed in claim 3, is characterized in that: described to open and seal completely the angle forming between station be completely 90 °.
5. a kind of electric valve as claimed in claim 3, is characterized in that: described valve is bulb stopper valve.
6. a kind of electric valve as claimed in claim 5, it is characterized in that: described valve also comprises the seal element between spool and water intake, water outlet, described spool is arranged on seal element central part, be provided with for allowing the through hole of spool conducting fluid in the axial location of seal element, described valve body is positioned at spool position and is provided with a limited ring coaxial with water outlet, water intake, described seal element laterally wherein one end and top be pressed on limited ring, the horizontal the other end of described seal element compresses by a hold-down ring being fixed on valve body.
7. a kind of electric valve as claimed in claim 6, is characterized in that: described seal element adopts PTFE to make.
8. a kind of electric valve as claimed in claim 3, is characterized in that: it is the inner groovy of 180 ° that the fixed end of described spool and valve rod is provided with radian.
9. a kind of electric valve as claimed in claim 3, is characterized in that: between described valve rod and valve body, be provided with seal ring.
10. a kind of electric valve as claimed in claim 9, it is characterized in that: in described valve body, be provided with the cylindrical cavity coaxial with valve rod, in cylindrical cavity, be provided with gland nut, described gland nut is that periphery is provided with screw thread, be fixedly connected with cylindrical cavity by screw thread, described seal ring array arrangement is at the inner headed face of gland nut.
11. a kind of electric valves as claimed in claim 2, it is characterized in that: described electric valve passes through powered by direct current, described stroke sensor is normal close type switch, described two normally closed switchs lay respectively at the two ends of the power supply line of driving mechanism, described normally closed switch is also parallel with respectively diode, described two ends diode anodal simultaneously towards or driving mechanism dorsad.
12. a kind of electric valves as claimed in claim 11, is characterized in that: described normal close type switch is sensitive switch.
13. a kind of electric valves as claimed in claim 1, it is characterized in that: described electric valve also comprises stand-by power supply mechanism, described stand-by power supply mechanism comprises relay, battery module, feeder ear is connected and powers with the electromagnet of relay by control circuit, described driving mechanism is connected with control circuit by the normally-closed contact of relay, between described battery module and driving mechanism, pass through the normally opened contact conducting of relay, in the time that feeder ear is stopped power supply, the solenoid circuit of control circuit block system relay, normally opened contact closure, battery module is connected with feeder ear by control circuit, battery module and motor Opposite direction connection, in the time that battery module is communicated with motor, motor rotates backward closing valve.
14. a kind of electric valves as claimed in claim 1, is characterized in that: described control circuit also comprises that image forming control circuit sends the control device of control signal, is connected by rectification circuit between described control device and control circuit.
15. a kind of electric valves as claimed in claim 1, is characterized in that: described driving mechanism is direct current generator.
16. a kind of electric valves as claimed in claim 15, is characterized in that: described direct current generator is permanent-magnetic DC planetary toothed gearing electric motor.
CN201420045960.5U 2014-01-24 2014-01-24 Electrically operated valve Expired - Fee Related CN203809818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420045960.5U CN203809818U (en) 2014-01-24 2014-01-24 Electrically operated valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420045960.5U CN203809818U (en) 2014-01-24 2014-01-24 Electrically operated valve

Publications (1)

Publication Number Publication Date
CN203809818U true CN203809818U (en) 2014-09-03

Family

ID=51448567

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420045960.5U Expired - Fee Related CN203809818U (en) 2014-01-24 2014-01-24 Electrically operated valve

Country Status (1)

Country Link
CN (1) CN203809818U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626929A (en) * 2016-03-19 2016-06-01 佛山市云米电器科技有限公司 Electrically operated valve and control method thereof
CN105626930A (en) * 2016-03-19 2016-06-01 佛山市云米电器科技有限公司 Electric valve structure
CN107269910A (en) * 2017-07-14 2017-10-20 北京丰茂植保机械有限公司 Equipment for plant protection double-control valve
CN108067024A (en) * 2018-01-31 2018-05-25 海宁美康环保科技有限公司 Fore filter with automatic blowdown function
CN110630801A (en) * 2019-09-03 2019-12-31 广州市沙唯士电子科技有限公司 Safe type electrically operated valve device with drying function
CN112212017A (en) * 2020-10-19 2021-01-12 诸暨企创网络科技有限公司 Electromagnetic valve capable of automatically intercepting after power failure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626929A (en) * 2016-03-19 2016-06-01 佛山市云米电器科技有限公司 Electrically operated valve and control method thereof
CN105626930A (en) * 2016-03-19 2016-06-01 佛山市云米电器科技有限公司 Electric valve structure
CN107269910A (en) * 2017-07-14 2017-10-20 北京丰茂植保机械有限公司 Equipment for plant protection double-control valve
CN108067024A (en) * 2018-01-31 2018-05-25 海宁美康环保科技有限公司 Fore filter with automatic blowdown function
CN110630801A (en) * 2019-09-03 2019-12-31 广州市沙唯士电子科技有限公司 Safe type electrically operated valve device with drying function
CN112212017A (en) * 2020-10-19 2021-01-12 诸暨企创网络科技有限公司 Electromagnetic valve capable of automatically intercepting after power failure

Similar Documents

Publication Publication Date Title
CN103791140A (en) Electric valve
CN203809818U (en) Electrically operated valve
CN203363202U (en) Piston type stop valve
CN104633180A (en) Many-to-many valve opening and closing device
CN204784959U (en) Gate valve electricity liquid actuating system and gate valve
CN103453208A (en) Manual and electronic double-control integrated hydraulic hoist
CN202074071U (en) Nuclear-power straight-through diaphragm valve
CN204592328U (en) The micro-pump control valve that blocks water of a kind of swash plate
CN203906968U (en) Pipe clamping electromagnetic valve
CN201043546Y (en) Electric-pneumatic valve locator
CN203940011U (en) The outer wash sterile formula mixing-preventing valve of a kind of two butterfly plate
CN203431183U (en) An electromagnetic control pressure self-adaption inlet and drainage valve
CN202834164U (en) Ball valve without friction between valve seat and ball body
CN103969041B (en) Opening-closing reliability test device for sea valve
CN202088417U (en) Safe hydraulic system for mold locking of injection machine mainly
CN204985738U (en) Drain valve for beet washer
CN202040399U (en) Valve control device for agricultural irrigation
CN205678229U (en) Automatic control three-way magnetic valve
CN219774855U (en) Gas supply control valve of gas meter
CN203215040U (en) Gate valve controller
CN205013807U (en) Electromagnetic control opens and close plunger valve fast
CN203585409U (en) Thin flange ball valve
CN202217860U (en) Waterproof plug
CN220118777U (en) Electric valve with self-closing control function
CN215719898U (en) Hydraulic reversing valve driven by stepping motor

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160304

Address after: 226300 No. 111, Jin Tong Road, Jinsha Town, Nantong, Jiangsu, Tongzhou District

Patentee after: JIANGSU YINGFENG ELECTRONIC TECHNOLOGY CO.,LTD.

Address before: 226300 No. 111, Jin Tong Road, Jinsha Town, Nantong, Jiangsu, Tongzhou District

Patentee before: SHENHUA ELECTRIC Co.,Ltd. NANTONG CHINA

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140903

CF01 Termination of patent right due to non-payment of annual fee