CN209167878U - A kind of valve positioner - Google Patents
A kind of valve positioner Download PDFInfo
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- CN209167878U CN209167878U CN201920111466.7U CN201920111466U CN209167878U CN 209167878 U CN209167878 U CN 209167878U CN 201920111466 U CN201920111466 U CN 201920111466U CN 209167878 U CN209167878 U CN 209167878U
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Abstract
The utility model discloses a kind of valve positioners, valve positioner includes shell and is encapsulated in the intracorporal control circuit board of shell, control circuit board is equipped with main control module, input module, output module, clock module, power down storage module and communication module, and shell is equipped with human-computer interaction module；Human-computer interaction module, input module, output module, clock module, power down storage module and communication module are electrically connected with main control module；Shell is equipped with multiple external terminals, and for external terminal for being electrically connected the device outside valve positioner with corresponding module, stating device includes switching mode motor-driven valve or/and adjustment type motor-driven valve, flowmeter and liquid-level switch.The liquid level signal control switch type motor-driven valve that valve positioner can be transmitted based on liquid-level switch opens/stops, the adjusting of the electronic valve opening of flow signal control and regulation type based on flowmeter transmission.The utility model function is more, integration degree is high, and can control two kinds of motor-driven valve simultaneously.
Description
Technical field
The utility model relates to technical field of valve control, more particularly to a kind of constant flux water supply that is suitable for being discharged or intaking
The valve positioner of equipment.
Background technique
With the development of industrial automation and the high standard demand of production, water treatment plant, sewage plant, chemical plant, paper mill and
The supply equipment water inlet of steel plant etc. usually requires quickly (to save the time), and water outlet needs constant flux control；Therefore to outlet pipe
The control of road valve is not only simple switch control, has been related to the control of valve opening.
Current most of valve positioners only can control a type of motor-driven valve, such as usually be only capable of control switch type electricity
Dynamic valve, integration degree bottom, function are more single, and poor universality.Existing valve control method is each motor-driven valve
With a valve positioner；As soon as and multiple adjustment type motor-driven valves and switching mode motor-driven valve are had in supply equipment, this is needed
It is equipped with electrical cabinet, multiple valve positioners are installed in combination in the electrical cabinet, and it is more numerous that installation is complex, device power makes line leave with rage
It is miscellaneous, and victory inconvenient for use.Current valve positioner has been not suitable with the demand in market, and market is to intelligentized control method valve positioner
More stringent requirements are proposed.
Utility model content
It is intended to overcome above-mentioned the deficiencies in the prior art, the technical issues of the utility model solves is to propose one
The valve positioner that kind function is more, integration degree is high, and can control two distinct types of motor-driven valve.
Solving technical solution used by above-mentioned technical problem is: providing a kind of valve positioner, the valve positioner
Including shell and be encapsulated in the intracorporal control circuit board of the shell, the control circuit board be equipped with main control module, input module,
Output module, clock module, power down storage module and communication module, the shell are equipped with human-computer interaction module；The man-machine friendship
Mutual module, the input module, the output module, the clock module, the power down storage module and the communication module
It is electrically connected with the main control module；
The shell is equipped with multiple external terminals, and the external terminal is used to make the device outside the valve positioner
It is electrically connected with the corresponding module, the device includes switching mode motor-driven valve or/and adjustment type motor-driven valve, flowmeter and liquid level
Switch.
Preferably, the main control module includes master cpu, and the master cpu uses STM32F103VCT6 chip.
Preferably, a valve positioner can carry four motor-driven valves simultaneously, and all motor-driven valves are the switch
Type motor-driven valve or the adjustment type motor-driven valve；Or four motor-driven valves are the switching mode motor-driven valve and adjustment type electricity
The combination of dynamic valve.
Preferably, the input module includes digital quantity input unit and analog input unit；
The digital quantity input unit includes a plurality of input circuit, and every input circuit includes the first photoelectric coupling
One output end of device, first photoelectrical coupler is electrically connected with the input terminal of the main control module；First photoelectric coupling
An input terminal series resistor R1 and light emitting diode D1 for device, another input terminal of first photoelectrical coupler are used for by connecing
Feedback end or the liquid-level switch are electrically connected mouth row needle CN1 in place with the switch of the switching mode motor-driven valve；
The input terminal of the analog input unit is for the aperture with the flowmeter and the adjustment type motor-driven valve
Feedback end is electrically connected, and the output end of the analog input unit is electrically connected with another input terminal of the main control module.
Preferably, the output module includes driving unit, the output unit being electrically connected with the driving unit, Yi Jiwei
The output power supply unit of the driving unit and output unit power supply.
Preferably, the output unit includes a plurality of output circuit, and every output circuit includes the second photoelectricity coupling
Clutch and triode Q1, an input terminal of second photoelectrical coupler is electrically connected with the output end of the driving unit, described
The input terminal of driving unit is electrically connected with the output end of the main control module, another input terminal string of second photoelectrical coupler
Connecting resistance R3 and light emitting diode D2；It is gone here and there between one output end of second photoelectrical coupler and the base stage of the triode Q1
It is connected to resistance R4, is serially connected between the output end of second photoelectrical coupler and the base stage of second photoelectrical coupler
Resistance R5；It is serially connected with diode D3 between the collector of the triode Q1 and the base stage of the triode Q1, and draws control
Draw signal end Y-0 outside, signal end Y-0 is drawn outside the control and is connect for arranging needle CN2 by interface with relay, the relay
Device is electrically connected with the control terminal of the switching mode motor-driven valve or the adjustment type motor-driven valve；
The output power supply unit includes the capacitor of multiple parallel connections, and the driving unit includes ULN2803 driver.
Preferably, the clock module includes clock circuit, and the clock circuit includes crystal oscillator, capacitor C1 and capacitor C2；
One end of the crystal oscillator is electrically connected with one end of the capacitor C1, and is electrically connected with the main control module, and the capacitor C1's is another
One end ground connection；
The other end of the crystal oscillator is electrically connected with one end of the capacitor C2, and is electrically connected with the main control module, described
The other end of capacitor C2 is grounded.
Preferably, the power down storage module includes power down storage circuit, and the power down storage circuit includes detection of power loss
Branch and memory, the memory are electrically connected with the main control module；
The detection of power loss branch includes the diode D4 being connected in parallel and diode D5, the cathode of the diode D4
Power supply, plus earth are connect, the cathode of the diode D5 connects power supply, anode connects the one end capacitor C3, another termination of capacitor C3
Ground, the positive of the diode D5 are serially connected with resistance R6 between the corresponding port of the main control module；
The detection of power loss branch further includes the resistance R7 being connected in parallel and capacitor C4, the resistance R7 and the capacitor C4
One end be electrically connected with the resistance R6, the other end of the resistance R7 and the capacitor C4 are grounded.
Preferably, the human-computer interaction module includes touch screen.
Preferably, the communication module includes RS485 communication module, RS232 communication module, ethernet communication module and nothing
One of line communication module is a variety of.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
The utility model valve controller includes shell and is encapsulated in the intracorporal control circuit board of shell, is set in control circuit board
There are main control module, input module, output module, clock module, power down storage module and communication module；It is obtained using input module
External information, such as liquid level information and flow information；Input module obtains switching mode motor-driven valve or/and adjustment type motor-driven valve simultaneously
Then feedback signal controls switching mode motor-driven valve or/and adjustment type motor-driven valve by control module accordingly；It can benefit
It establishes communication connection with host computer with communication module remotely to be controlled, power down storage module imparts valve positioner power down guarantor
Protective function, clock module impart the function of valve positioner timer or counter.
To sum up, the utility model valve controller function is more, integration degree is high, and can control two kinds of different types simultaneously
Motor-driven valve, meet the market demand.It is particularly suitable for the supply equipment of two kinds of electrically operated valves of installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model valve controller；
Fig. 2 is the functional block diagram of the utility model valve controller；
Fig. 3 is the circuit diagram of master cpu, clock circuit and power down storage circuit；
Fig. 4 is the schematic diagram of input circuit；
Fig. 5 a is the pinouts of ULN2803 driver；
Fig. 5 b is the circuit diagram for exporting power supply unit；
Fig. 5 c is the schematic diagram of output circuit；
Fig. 5 d is the pinouts of interface row needle CN2；
In figure: 1- valve positioner, 11- shell, 12- external terminal, 13- touch screen, a- clock circuit, b- power down are deposited
Storage road.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The embodiment of utility model is described in detail.The description of the present embodiment is intended merely to facilitate simplified description, should not be understood as
Limitation to utility model.
Below based on the concrete application of valve positioner 1, valve positioner 1 is described in detail.
As Fig. 1 to Fig. 2 jointly shown in, valve positioner 1 includes shell 11 and the control circuit board that is encapsulated in shell 11,
Control circuit board is equipped with main control module, input module, output module, clock module, power down storage module and communication module；Shell
Body 11 is equipped with human-computer interaction module；Human-computer interaction module, input module, output module, clock module, power down storage module and logical
News module is electrically connected with main control module.It is additionally provided in control circuit board as the power module of master control module for power supply.
Shell 11 is equipped with multiple external terminals 12, and external terminal 12 is used to make the device and phase outside valve positioner 1
Module is answered to be electrically connected；The device includes power supply, switching mode motor-driven valve, adjustment type motor-driven valve, flowmeter, liquid-level switch (liquidometer)
And host computer.
Wherein: human-computer interaction module includes the touch screen 13 being arranged on shell 11, and touch screen 13 is that LCD touch is shown
Shield (relatively conventional on the market), multiple virtual keys are contained on interface, valve positioner 1 can be made to carry out certainly by virtual key
The conversion of dynamic control model and MANUAL CONTROL mode.
Input module includes digital quantity input unit and analog input unit；Output module includes driving unit and drives
The output unit of moving cell electrical connection and the output power supply unit powered for driving unit and output unit.
Communication module includes R485 communication module, R232 communication module, ethernet communication module, its in wireless communication module
In it is one or more, which is mainly used for the communication connection for making valve positioner 1 and host computer establish different modes.It needs
To illustrate that corresponding communication module is well-known to those skilled in the art, its Principle of Communication and communicating circuit are not carried out herein
It repeats.
As shown in figure 3, main control module includes master cpu, and master cpu is using a kind of in the present embodiment
STM32F103VCT6 chip.
Clock module includes two clock circuit a containing identical component, wherein a clock circuit a includes crystal oscillator Y-
1 ', capacitor C1 and capacitor C2；One end of crystal oscillator Y-1 ' is electrically connected with one end of capacitor C1, and the corresponding port with main control module
(the OSC32_IN pin electrical connection of chip is identified as in Fig. 3), the other end ground connection of capacitor C1.The other end of crystal oscillator Y-1 ' with
One end of capacitor C2 is electrically connected, and (the OSC32_OUT pin that chip is identified as in Fig. 3 is electrically connected with the corresponding port of main control module
Connect) electrical connection, the other end ground connection of capacitor C2.
Power down storage module includes power down storage circuit b, and power down storage circuit b includes detection of power loss branch and memory
(24C64), memory is electrically connected with main control module corresponding port.
Detection of power loss branch includes the diode D4 and diode D5 being connected in parallel, and the cathode of diode D4 connects 24V electricity
Source, plus earth, the cathode of diode D5 connects 24V power supply, anode connects the one end capacitor C3, capacitor C3 other end ground connection, diode
Resistance R6 is serially connected between the anode of D5 and the corresponding port of main control module；
Detection of power loss branch further include the resistance R7 and capacitor C4 being connected in parallel, resistance R7 and capacitor C4 one end with electricity
R6 electrical connection is hindered, the other end for stating resistance R7 and capacitor C4 is grounded.
As Fig. 3 and Fig. 4 jointly shown in, digital quantity input unit includes a plurality of input circuit, and every input circuit includes
First photoelectrical coupler, an output end (X0 is identified as in Fig. 4) for the first photoelectrical coupler and input terminal (Fig. 3 of main control module
In be identified as the X0 pin of chip) electrical connection；One input terminal of the first photoelectrical coupler concatenates light emitting diode D1 and resistance R1,
+ 24VIN the pin of resistance R1 connection interface row needle CN1 (resistance R1 connects 24V power supply by interface row needle CN1)；First photoelectric coupling
Another input terminal of device is used to feed back in place by interface row needle CN1 (being identified as EX0 in Fig. 4) and the switch of switching mode motor-driven valve
Hold (limit switch) or liquid-level switch electrical connection；Series resistor R2 between two input terminals of the first photoelectrical coupler.It needs
Bright, another input terminal of the first photoelectrical coupler is used for by interface row needle CN1 and different members in every input circuit
Device electrical connection, inputs different digital quantity signals.
The input terminal of analog input unit is used to be electrically connected with the open degree feedback end of flowmeter and adjustment type motor-driven valve
It connects；Liquidometer is used if not using liquid-level switch, liquidometer need to be electrically connected with the input terminal of analog input unit；Simulation
The output end of amount input unit is electrically connected with another input terminal of main control module.
As Fig. 3, Fig. 5 a to Fig. 5 d jointly shown in, output power supply unit includes the capacitor of multiple parallel connections, and driving unit includes
ULN2803 driver.Output unit includes a plurality of output circuit, and every output circuit includes the second photoelectrical coupler and three poles
Pipe Q1, an input terminal (being identified as D00 in Fig. 5 c) and the output end of driving unit for the second photoelectrical coupler (identify in Fig. 5 a
For the D00 pin of driver) electrical connection, the input terminal (the Y0 pin of driver is identified as in Fig. 5 a) and master control mould of driving unit
The output end (the Y0 pin of chip is identified as in Fig. 3) of block is electrically connected, another input terminal series resistor of the second photoelectrical coupler
R3 and light emitting diode D2；Resistance R4 is serially connected between one output end of the second photoelectrical coupler and the base stage of triode Q1, the
Resistance R5 is serially connected between the output end of two photoelectrical couplers and the base stage of the second photoelectrical coupler；The collector of triode Q1
It is serially connected with diode D3 between the base stage of triode Q1, and draws and draws signal end Y-0 outside control, control is outer to draw signal end Y-0
For being connect by interface row needle CN2 (being identified as Y-0 pin in Fig. 5 d) with relay, relay and switching mode motor-driven valve or tune
The control terminal of nodal pattern motor-driven valve is electrically connected.
Two types motor-driven valve can be controlled simultaneously using a valve positioner 1；I.e. valve positioner 1 is opened based on liquid level
The liquid level signal control switch type motor-driven valve for closing transmission opens/stops, and the flow signal control and regulation type based on flowmeter transmission is electronic
The adjusting of valve opening；Function is more, integrated journey is high.If being applied in water outlet constant flux water supply equipment pipeline, control on outlet pipe
The electronic valve opening of adjustment type can meet the needs of supply equipment water outlet constant flow.It is permanent that less supply equipment is also required to control water inlet
Flow, if being applied in corresponding permanent liquid level supply equipment pipeline, confession can also be met by controlling adjustment type motor-driven valve aperture on water inlet pipe
The demand of wetting system water inlet constant flow.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications, but these phases according to the utility model
The change and modification answered belong to the protection scope of the utility model the attached claims.
Claims (10)
1. a kind of valve positioner, which is characterized in that the valve positioner includes shell and is encapsulated in the intracorporal control of the shell
Circuit board processed, the control circuit board are equipped with main control module, input module, output module, clock module, power down storage module
And communication module, the shell are equipped with human-computer interaction module；The human-computer interaction module, the input module, the output mould
Block, the clock module, the power down storage module and the communication module are electrically connected with the main control module；
The shell is equipped with multiple external terminals, and the external terminal is used to make the device and phase outside the valve positioner
The module is answered to be electrically connected, the device includes that switching mode motor-driven valve or/and adjustment type motor-driven valve, flowmeter and liquid level are opened
It closes.
2. valve positioner as described in claim 1, which is characterized in that the main control module includes master cpu, the master control
CPU uses STM32F103VCT6 chip.
3. valve positioner as claimed in claim 2, which is characterized in that a valve positioner can carry four electricity simultaneously
Dynamic valve, all motor-driven valves are the switching mode motor-driven valve or the adjustment type motor-driven valve；Or four motor-driven valves are
The combination of the switching mode motor-driven valve and the adjustment type motor-driven valve.
4. valve positioner as described in claim 1, which is characterized in that the input module include digital quantity input unit and
Analog input unit；
The digital quantity input unit includes a plurality of input circuit, and every input circuit includes the first photoelectrical coupler,
One output end of first photoelectrical coupler is electrically connected with the input terminal of the main control module；First photoelectrical coupler
One input terminal series resistor R1 and light emitting diode D1, another input terminal of first photoelectrical coupler by interface for arranging
Feedback end or the liquid-level switch are electrically connected needle CN1 in place with the switch of the switching mode motor-driven valve；
The input terminal of the analog input unit is for the open degree feedback with the flowmeter and the adjustment type motor-driven valve
End is electrically connected, and the output end of the analog input unit is electrically connected with another input terminal of the main control module.
5. valve positioner as described in claim 1, which is characterized in that the output module include driving unit, with it is described
The output unit of driving unit electrical connection and the output power supply unit powered for the driving unit and the output unit.
6. valve positioner as claimed in claim 5, which is characterized in that the output unit includes a plurality of output circuit, often
Output circuit described in item includes the second photoelectrical coupler and triode Q1, an input terminal of second photoelectrical coupler and institute
The output end electrical connection of driving unit is stated, the input terminal of the driving unit is electrically connected with the output end of the main control module, institute
State another input terminal series resistor R3 and light emitting diode D2 of the second photoelectrical coupler；The one of second photoelectrical coupler is defeated
Be serially connected with resistance R4 between outlet and the base stage of the triode Q1, the output end of second photoelectrical coupler with it is described
Resistance R5 is serially connected between the base stage of second photoelectrical coupler；The base stage of the collector of the triode Q1 and the triode Q1
Between be serially connected with diode D3, and draw that control is outer to draw signal end Y-0, signal end Y-0 drawn outside the control for by interface
Row needle CN2 is connect with relay, the control terminal electricity of the relay and the switching mode motor-driven valve or the adjustment type motor-driven valve
Connection；
The output power supply unit includes the capacitor of multiple parallel connections, and the driving unit includes ULN2803 driver.
7. valve positioner as described in claim 1, which is characterized in that the clock module includes clock circuit, when described
Clock circuit includes crystal oscillator, capacitor C1 and capacitor C2；One end of the crystal oscillator is electrically connected with one end of the capacitor C1, and with it is described
Main control module electrical connection, the other end ground connection of the capacitor C1；
The other end of the crystal oscillator is electrically connected with one end of the capacitor C2, and is electrically connected with the main control module, the capacitor
The other end of C2 is grounded.
8. valve positioner as described in claim 1, which is characterized in that the power down storage module includes power down storage electricity
Road, the power down storage circuit include detection of power loss branch and memory, and the memory is electrically connected with the main control module；
The detection of power loss branch includes the diode D4 being connected in parallel and diode D5, and the cathode of the diode D4 connects electricity
Source, plus earth, the cathode of the diode D5 connects power supply, anode connects the one end capacitor C3, the capacitor C3 other end ground connection, institute
It states the positive of diode D5 and is serially connected with resistance R6 between the corresponding port of the main control module；
The detection of power loss branch further includes the resistance R7 being connected in parallel and capacitor C4, and the one of the resistance R7 and the capacitor C4
End is electrically connected with the resistance R6, and the other end of the resistance R7 and the capacitor C4 are grounded.
9. valve positioner as described in claim 1, which is characterized in that the human-computer interaction module includes touch screen.
10. valve positioner as described in claim 1, which is characterized in that the communication module include RS485 communication module,
One of RS232 communication module, ethernet communication module and wireless communication module are a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111466.7U CN209167878U (en) | 2019-01-23 | 2019-01-23 | A kind of valve positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111466.7U CN209167878U (en) | 2019-01-23 | 2019-01-23 | A kind of valve positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167878U true CN209167878U (en) | 2019-07-26 |
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ID=67328759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920111466.7U Active CN209167878U (en) | 2019-01-23 | 2019-01-23 | A kind of valve positioner |
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| Country | Link |
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| CN (1) | CN209167878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111158275A (en) * | 2019-12-24 | 2020-05-15 | 浙江工业大学 | Level gauge read-write device based on BLE and Web server |
| CN111948959A (en) * | 2020-08-28 | 2020-11-17 | 华科电子股份有限公司 | Electromagnetic valve unlocking circuit of rail transit shield door |
-
2019
- 2019-01-23 CN CN201920111466.7U patent/CN209167878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111158275A (en) * | 2019-12-24 | 2020-05-15 | 浙江工业大学 | Level gauge read-write device based on BLE and Web server |
| CN111948959A (en) * | 2020-08-28 | 2020-11-17 | 华科电子股份有限公司 | Electromagnetic valve unlocking circuit of rail transit shield door |
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