CN205504129U - Automatic valve control device - Google Patents
Automatic valve control device Download PDFInfo
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- CN205504129U CN205504129U CN201620212448.4U CN201620212448U CN205504129U CN 205504129 U CN205504129 U CN 205504129U CN 201620212448 U CN201620212448 U CN 201620212448U CN 205504129 U CN205504129 U CN 205504129U
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- automatic valve
- valve control
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Abstract
The utility model provides an automatic valve control device belongs to automatic valve technical field. It has solved the automatic valve problem how automatic stabilization worked. The device improves the motor of kinetic energy including the power module that connects the commercial power with for the valve, still includes the motor driver module of charging and discharging module, change over switch and connection motor, and charging and discharging module and change over switch connect power module's output respectively, and change over switch's output is connected with boost module, boost module output connection motor driver module's input. The discharge process is filled voltage to the module of charging, along with the output voltage of time can descend to the driving voltage who leads to exporting the motor reduces and arouses that motor output torque reduces, can eliminate the torsion that electric capacity voltage reduction arouses and reduce through connect boost module between change over switch and motor driver module, thereby make the automatic valve reached automatic stabilization work the purpose.
Description
Technical field
This utility model belongs to automatic valve technical field, relates to a kind of automatic valve control device.
Background technology
Electrically operated valve is the important actuator in industrial automation control system, particularly electric ball
Valve, the valve that electrical ball valve is this mobile form according to spool to rotate around the axis of valve rod
Door.The change of valve seat port is and spool stroke direct proportionality.It is mainly used in blocking or connecting
Medium in pipeline, also can be used for regulation and the control of fluid, is that industrial automation process controls
A kind of pipeline pressure element.Electrical ball valve is collectively formed by electric operator and ball valve, electric valve
Actuator is with motor as power, and power is passed to control element by driving mechanical deceleration device
Terminal part part.Wherein electric valve executing mechanism includes valve control device.In modern industry automatization
In control, the quality of industrial stokehold is heavily dependent on the height of Engineering Control instrument function
Low.How to improve valve performance and be always the research direction of those skilled in the art.
Chinese patent literature discloses the valve Based Intelligent Control dress of Application No. 200420031494.1
Put, including the open-phase protection contactor being connected with electrically operated valve, valve opening control contactor, close valve
Control contactor, emergent exploitation button, emergent pass valve button, open and close travel switch, open and close
The moment of stroke, the band for the shape mechanism of control controls the controller of software, this controller
Including single-chip microcomputer, memorizer, position signalling processor, position signalling detection interface and position signalling
Sorting circuit, keyboard-display circuit, the arrangement increases control accuracy and reliability, and guarantee valve
Door trouble free service.But the automatic-control stability of electrically operated valve also has much room for improvement.
Summary of the invention
The problems referred to above that this utility model exists for prior art, it is proposed that a kind of automatic valve gate
Device processed.Which solves the automatic valve problem how automatic stabilisation works.
This utility model is realized by following technical proposal: a kind of automatic valve control device, bag
Include the power module connecting civil power and the motor improving kinetic energy to valve, it is characterised in that this device
Also include charge-discharge modules, switching switch and connect the motor drive module of motor, described discharge and recharge
Module and switching switch connect the outfan of power module, the outfan of described charge-discharge modules respectively
The also input with switching switch is connected, and the outfan of described switching switch connects boost module,
Boost module outfan connects the input of motor drive module.
Power module connects external voltage, and such as civil power, external voltage inputs to charge and discharge by power module
Electricity module, power supply selects power supply method of supplying by switching switch simultaneously, and motor drive module is by electricity
Source module directly charges or is selectively switched by charge-discharge modules input voltage.Switching is opened
Pass is mainly used in when power module power-off, and charge-discharge modules can postpone power-off buffer motor and drive mould
The work of block.Charging module in the charge and discharge process of voltage, output voltage over time can under
Fall, thus cause the driving voltage exporting motor to reduce and cause motor output torque to reduce, logical
Cross connection boost module between switching switch and motor drive module and ensure that inputing to motor drives mould
What block was stable is maintained at required voltage, uses boost module can eliminate capacitance voltage decline and causes
Torsion reduce work to obtain purpose so that automatic valve has reached automatic stabilisation.
In above-mentioned automatic valve control device, boost module is DC/DC DC boosting voltage stabilizing electricity
Road.The design of DC/DC DC boosting mu balanced circuit is simple, efficient, can meet again Valve controlling simultaneously
It is used for eliminating torsion and reduces this shortcoming of decline.
In above-mentioned automatic valve control device, described boost module include power input unit,
Boost converter, power supply inductance and output rectification unit, described power input unit connects through electricity
The switched power output of source inductance connection boost converter, power input unit is also connected with boosting and turns
The power input of parallel operation, the switched power output of described boost converter connects output rectification list
Unit, output rectification unit connects the feedback signal input terminal of boost converter (U1).Have defeated
Enter voltage and pass through rectifying and wave-filtering, and output voltage and reference voltage are compared control internal switch
Break-make thus realize DC boosting and ensure that stablizing of output voltage, obtain after voltage stabilizing
Boosting can eliminate the torsion reduction that capacitance voltage decline causes by stability and high efficiency.
In above-mentioned automatic valve control device, described output rectification unit include resitstance voltage divider,
Electrochemical capacitor and the diode of forward connecting valve power output end, described resitstance voltage divider and electrolysis
Being connected in series with diode and boost converter after electric capacity parallel connection, described resitstance voltage divider includes series connection
The resistance one connected and resistance two, the feedback signal input terminal of described boost converter is connected to resistance
One and resistance two connecting line on.Feed back to boosting after carrying out dividing potential drop here by resitstance voltage divider to turn
Parallel operation turnover closed loop adjusts booster power output, thus improves boosting precision.
In above-mentioned automatic valve control device, charge-discharge modules includes connecting power module output
The power supply auxiliary circuit of end and the charging capacitor of connection switching switch, described power supply auxiliary circuit connects
Charging capacitor.Can not directly provide stable low constant voltage DC to supply electricity to motor at power module and drive mould
Realized by power supply auxiliary circuit and charging capacitor during block, i.e. powered at charging capacitor discharge process
Journey.When ensure hering that power cut-off can wait situation outside, charging capacitor ensure that valve power-off protection
The carrying out of work.I.e. power-off late gate can also carry out closing work automatically.
In above-mentioned automatic valve control device, described charging capacitor is farad capacitor.Farad electricity
Hold and belong to double layer capacitor.Being that super capacitor has charging rate soon, large current discharging capability surpasses
By force, energy conversion efficiency is high, and process losses is little, big current energy cycle efficieny >=90%.
In above-mentioned automatic valve control device, it is external that power module includes being sequentially connected with respectively
Power interface, rectification circuit and reduction voltage circuit, the outfan of reduction voltage circuit connects power supply auxiliary respectively
Circuit and switching switch.The alternating current power supply of outside input is converted into high voltage direct current by rectification circuit,
By reduction voltage circuit, high voltage direct current is carried out the low tension that DC decompression becomes stable simultaneously, be used for
Automatic valve control device is powered.
In above-mentioned automatic valve control device, described motor drive module is also associated with valve control
Device processed.Motor drive module receives the control switching signal that valve controls, and valve control controls motor and drives
Dynamic module drive motor carries out rotating, to reach the purpose of automatic switch valve.
Compared with prior art, in this automatic valve control device, have the advantage that
1, there is, because of charging capacitor, the problem that voltage is gradually reduced along with electric discharge in this utility model, leads to
Cross and connect boost module between switching switch and motor drive module, use boost module to disappear
Reduce, so that automatic valve has reached automatic stabilisation work except capacitance voltage declines the torsion caused
Make to obtain purpose.
2, this utility model has reached quick charge, high-power operation by the Low ESR of farad capacitor
Purpose.
3, this utility model is realized DC boosting by DC/DC DC boosting mu balanced circuit and be ensure that
Stablizing of output voltage, the boosting obtained after voltage stabilizing can eliminate under capacitance voltage by stability and high efficiency
The torsion that fall causes reduces, and has higher boosting precision.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model；
Fig. 2 is DC/DC DC boosting mu balanced circuit figure.
In figure, 1, power module；11, external power interface；12, rectification circuit；13, blood pressure lowering
Circuit；2, charge-discharge modules；21, power supply auxiliary circuit；22, charging capacitor；3, switching is opened
Close；4, boost module；41, power input unit；42, output rectification unit；421, resistance
Potentiometer；5, motor drive module；6, motor；7, valve control.U1, boost converter；
L1, power supply inductance；SW, switched power output；IN, power input；EN, on-off control
Input；SW, switched power output；FB, feedback signal input terminal；C1, electric capacity one；C2、
Electrochemical capacitor；D1, diode；R1, resistance one；R2 resistance two.
Detailed description of the invention
The following is specific embodiment of the utility model, and combine accompanying drawing to technology of the present utility model
Scheme is further described, but this utility model is not limited to these embodiments.
As shown in Figure 1, 2, this automatic valve control device includes the power module 1 connecting civil power
With the motor 6 to valve raising kinetic energy, also include charge-discharge modules 2, switching switch 3 and connect electricity
The motor drive module 5 of machine 6, charge-discharge modules 2 and switching switch 3 connect power module 1 respectively
Outfan, the outfan of charge-discharge modules 2 also with switching switch 3 input be connected, cut
The outfan connection changing switch 3 has boost module 4, and boost module 4 outfan connects motor and drives
The input of module 5.Valve control 7 it is also associated with on motor drive module 5.Motor drives mould
Block 5 receives the control switching signal that valve controls, and valve control 7 controls motor drive module 5 and drives
Motor 6 carries out rotating, to reach the purpose of automatic switch valve.Power module 1 includes depending on respectively
The external power interface 11 of secondary connection, rectification circuit 12 and reduction voltage circuit 13.Reduction voltage circuit 13
Outfan connect power supply auxiliary circuit 21 and switching switch 3 respectively.
Boost module is DC/DC DC boosting mu balanced circuit.Boost module includes power input unit
41, boost converter U1, power supply inductance L1 and output rectification unit 42, power input unit 41
Connecting through the switched power output SW that power supply inductance L1 connects boost converter U1, power supply is defeated
Entering unit 41 and be also connected with the power input IN of boost converter U1, boost converter U1 opens
Closing power output end SW and connect output rectification unit 42, output rectification unit 42 connects boost conversion
The feedback signal input terminal FB of device U1.Output rectification unit 42 includes resitstance voltage divider 421, electricity
Solve the diode D1 of the switched power output SW of electric capacity C2 and forward connection liter conversion depressor U1,
Resitstance voltage divider 421 is connected with diode D1 and boost converter U3 with after electrochemical capacitor C2 parallel connection
Connecting, resitstance voltage divider 421 includes that resistance one R1 and resistance two R2 being connected in series, boosting turn
The feedback signal input terminal FB of parallel operation U1 is connected on the connecting line of resistance one R1 and resistance two R2.
Charge-discharge modules 2 includes the power supply auxiliary circuit 21 connecting power module 1 outfan and connects
The charging capacitor 22 of switching switch 3, power supply auxiliary circuit 21 connects charging capacitor 22.Charged electrical
Holding 22 is farad capacitor.Stable low constant voltage DC can not be directly provided to supply electricity to electricity at power module 1
Machine is realized, at charging capacitor by power supply auxiliary circuit 21 and charging capacitor 22 when driving module 5
22 discharge processes i.e. power supply process.Charging capacitor when ensure hering that power cut-off can wait situation outside
22 ensure that the carrying out that valve power-off protection works, i.e. power-off late gate can also carry out closing work automatically
Make.
The following is the operation principle of this automatic valve control device:
External power source is connected, such as civil power, the alternating current power supply of outside input by external power interface 11
It is converted into high voltage direct current, simultaneously by reduction voltage circuit 13 to HVDC by rectification circuit 12
Electricity carries out the low tension that DC decompression becomes stable, for being powered to automatic valve control device.
External voltage inputs to charge-discharge modules 2 by power module 1 simultaneously, and charge-discharge modules 2 is by electricity
Source auxiliary circuit 21 connects charging capacitor 22 and realizes, power module 1 supplying electricity to charging
Electric capacity 22 charges, and has when deenergization module 1 charging capacitor 22 to carry out discharging to motor 6 and carries
Power supply source.Charging capacitor 22 selects the farad capacitor in super capacitor to realize.Farad capacitor belongs to
In double layer capacitor.Being that super capacitor has charging rate soon, large current discharging capability is superpower,
Energy conversion efficiency is high, and process losses is little, big current energy cycle efficieny >=90%.
Power supply is by switching switch 3 selection power supply method of supplying simultaneously, and motor drive module 5 is by electricity
Source module 1 directly charges or is selectively switched by charge-discharge modules 2 input voltage.Cut
Changing switch 3 and be mainly used in when power module 1 power-off, charge-discharge modules 2 can postpone power-off buffering
The work of motor drive module 5.Super capacitor is not the most battery, there is voltage along with electric discharge
The problem being gradually reduced.So needing to carry out output circuit boosting voltage stabilizing control to reach motor 6
The purpose of steady operation.Charging module is in the charge and discharge process of voltage, and output over time is electric
Pressure can decline, thus causes the driving voltage exporting motor 6 to reduce and cause motor 6 output to turn round
Square reduces, and ensures by connecting boost module 4 between switching switch 3 and motor drive module 5
Input to motor drive module 5 stable be maintained at required voltage, use boost module 4 permissible
Eliminate capacitance voltage and decline the torsion reduction caused, so that automatic valve has reached automatic stabilisation
Work to obtain purpose.
As Fig. 2, V represent connection power supply, DC/DC is expressed as direct current and is converted into direct current, DC/DC
DC boosting mu balanced circuit includes power input unit 41, boost converter U1, power supply inductance L1
With output rectification unit 42, power input unit 41 connects through power supply inductance L1 and connects boosting turn
The switched power output SW of parallel operation U1, power input unit 41 is also connected with boost converter U1
Power input IN, boost converter U1 switched power output SW connect output rectification list
Unit 42.Power input unit 41 includes electric capacity one C1 connecting power supply, and power supply passes through electric capacity one C1
The power input IN, switch control input EN that connect boost converter U1 can connect such as Fig. 2
Enter power supply, be used for controlling boost converter U1 internal metal-oxide-semiconductor switch.Output rectification unit 42 is even
Meet the feedback signal input terminal FB of boost converter U1.Output rectification unit 42 includes electric resistance partial pressure
Device 421, electrochemical capacitor C2 and forward connect two poles rising conversion depressor switched power output SW
Pipe D1, with diode D1 and boost converter after resitstance voltage divider 421 is in parallel with electrochemical capacitor C2
U3 is connected in series, and resitstance voltage divider 421 includes resistance one R1 and resistance two R2 being connected in series,
The feedback signal input terminal FB of boost converter U1 is connected to resistance one R1 and the company of resistance two R2
In wiring.Power supply realizes boost function by input and the output of boost converter U1.DC/DC simultaneously
DC boosting mu balanced circuit has input voltage by rectifying and wave-filtering, and by output voltage and benchmark
Voltage compares the break-make of control internal switch thus realizes DC boosting and ensure that output voltage
Stablize, the boosting that obtains after voltage stabilizing can eliminate capacitance voltage and decline and cause by stability and high efficiency
Torsion reduces.Boost converter U1 in the application can select SX1308 or SA1901 model core
Sheet realizes.
Specific embodiment described herein is only to this utility model spirit explanation for example.
Described specific embodiment can be done various by this utility model person of ordinary skill in the field
Amendment or supplementary or that employing the is similar mode of various kinds substitute, but without departing from of the present utility model
Spirit or surmount scope defined in appended claims.
Although the most more employ power module 1, external power interface 11, rectification circuit 12,
Reduction voltage circuit 13, charge-discharge modules 2, power supply auxiliary circuit 21, charging capacitor 22, switching switch
3, boost module 4, power input unit 41, output rectification unit 42, resitstance voltage divider 421,
Motor drive module 5, motor 6, valve control 7, boost converter U1, power supply inductance L1,
Switched power output SW, power input IN, switch control input EN, Switching Power Supply are defeated
Go out to hold SW, feedback signal input terminal FB, electric capacity one C1, electrochemical capacitor C2, diode D1, electricity
Hinder a R1, resistance two R2.
Deng term, but it is not precluded from using the probability of other term.Use these terms only
In order to describe and explain essence of the present utility model more easily；It is construed as any attached
The restriction added is all contrary with this utility model spirit.
Claims (8)
1. an automatic valve control device, including connecting the power module (1) of civil power and to valve
Door provide kinetic energy motor (6), it is characterised in that this device also include charge-discharge modules (2),
Switching switch (3) and the motor drive module (5) of connection motor (6), described charge-discharge modules
(2) switch (3) connect the outfan of power module (1), described discharge and recharge mould respectively with switching
The input that the outfan of block (2) also switchs (3) with switching is connected, described switching switch (3)
Outfan connect and have a boost module (4), boost module (4) outfan connects motor drive module
(5) input.
Automatic valve control device the most according to claim 1, it is characterised in that described liter
Die block (4) is DC/DC DC boosting mu balanced circuit.
Automatic valve control device the most according to claim 2, it is characterised in that described liter
Die block (4) includes power input unit (41), boost converter (U1), power supply inductance (L1)
With output rectification unit (42), described power input unit (41) connects through power supply inductance (L1)
Connecting the switched power output (SW) of boost converter (U1), power input unit (41) is also
Connecting the power input (IN) of boost converter (U1), described boost converter (U1) opens
Closing power output end (SW) and connect output rectification unit (42), output rectification unit (42) connects
The feedback signal input terminal (FB) of boost converter (U1).
Automatic valve control device the most according to claim 3, it is characterised in that described defeated
Go out rectification unit (42) and include that resitstance voltage divider (421), electrochemical capacitor (C2) and forward connect
The diode (D1) of switched power output (SW), described resitstance voltage divider (421) and electrolysis
It is connected in series with diode (D1) and boost converter (U1) after electric capacity (C2) parallel connection, described
Resitstance voltage divider (421) includes resistance one (R1) and the resistance two (R2) being connected in series, described
The feedback signal input terminal (FB) of boost converter (U1) is connected to resistance one (R1) and resistance
On the connecting line of two (R2).
5. according to the automatic valve control device described in any one in claim 1-4, its feature
Being, charge-discharge modules (2) includes the power supply auxiliary circuit connecting power module (1) outfan
(21) and connect switching switch (3) charging capacitor (22), described power supply auxiliary circuit (21)
Connect charging capacitor (22).
Automatic valve control device the most according to claim 5, it is characterised in that described in fill
Electricity electric capacity (22) is farad capacitor.
Automatic valve control device the most according to claim 6, it is characterised in that described electricity
Source module (1) includes external power interface (11), the rectification circuit (12) being sequentially connected with respectively
With reduction voltage circuit (13), the outfan of described reduction voltage circuit (13) connects power supply auxiliary circuit respectively
(21) and switching switch (3).
Automatic valve control device the most according to claim 7, it is characterised in that described electricity
Machine drives and is also associated with valve control (7) in module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212448.4U CN205504129U (en) | 2016-03-18 | 2016-03-18 | Automatic valve control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212448.4U CN205504129U (en) | 2016-03-18 | 2016-03-18 | Automatic valve control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205504129U true CN205504129U (en) | 2016-08-24 |
Family
ID=56731664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620212448.4U Active CN205504129U (en) | 2016-03-18 | 2016-03-18 | Automatic valve control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205504129U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787665A (en) * | 2016-12-29 | 2017-05-31 | 金卡高科技股份有限公司 | A kind of instrument valve power supply control system |
| CN113049023A (en) * | 2019-12-26 | 2021-06-29 | 国核电站运行服务技术有限公司 | Online real-time monitoring device and method for electric valve |
| CN114019893A (en) * | 2021-10-28 | 2022-02-08 | 中国舰船研究设计中心 | A ship's electric drive side valve control system |
| CN116066615A (en) * | 2023-03-21 | 2023-05-05 | 苏州成科自控设备有限公司 | Electronic power-off reset actuator system and reset method thereof |
-
2016
- 2016-03-18 CN CN201620212448.4U patent/CN205504129U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787665A (en) * | 2016-12-29 | 2017-05-31 | 金卡高科技股份有限公司 | A kind of instrument valve power supply control system |
| CN113049023A (en) * | 2019-12-26 | 2021-06-29 | 国核电站运行服务技术有限公司 | Online real-time monitoring device and method for electric valve |
| CN114019893A (en) * | 2021-10-28 | 2022-02-08 | 中国舰船研究设计中心 | A ship's electric drive side valve control system |
| CN116066615A (en) * | 2023-03-21 | 2023-05-05 | 苏州成科自控设备有限公司 | Electronic power-off reset actuator system and reset method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: Room 102, unit 1, building 3, Xinshun SME Pioneer Park, Jiangkou street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: TAIZHOU TONHE FLUID CONTROL Co.,Ltd. Address before: 318020, 1012, Xincheng Road, Xicheng street, Taizhou, Zhejiang, Huangyan Patentee before: TAIZHOU TONHE FLOW CONTROL EQUIPMENT Co.,Ltd. |