CN203147014U - Intelligent valve - Google Patents
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- CN203147014U CN203147014U CN 201220699226 CN201220699226U CN203147014U CN 203147014 U CN203147014 U CN 203147014U CN 201220699226 CN201220699226 CN 201220699226 CN 201220699226 U CN201220699226 U CN 201220699226U CN 203147014 U CN203147014 U CN 203147014U
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- 239000012530 fluid Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000009467 reduction Effects 0.000 claims description 29
- 238000012545 processing Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010992 reflux Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013481 data capture Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model provides an intelligent valve which belongs to the technical field of electronic control of valves, and solves the problem in the prior art that various fluid data in the valve cannot be visually known. The intelligent valve comprises a valve body, a valve rod, a valve core, an opening sensing potentiometer, a pressure sensor, a temperature sensor, an execution driving mechanism, a display module and a controller, wherein the controller is used for receiving an electric potential signal collected by the opening sensing potentiometer, a pressure signal collected by the pressure sensor, and a temperature signal collected by the temperature sensor, computing and outputting data signals to the display module for displaying, and outputting a control signal to control the execution and driving mechanism to adjust the opening degree of the valve; the opening sensing potentiometer, the pressure sensor and the temperature sensor are connected with the input end of the controller; and the display module and the execution and driving mechanism are connected with the output end of the controller. According to the intelligent valve, various data of the fluid passing through the valve can be visually known, and the opening degree of the valve can be conveniently adjusted and controlled, so that the intelligent valve has a wider application range.
Description
Technical field
The utility model belongs to valve electron controls technology field, relates to a kind of intelligent valve.
Background technique
Valve is the controlling component in the fluid delivery system, have by, adjusting, water conservancy diversion, prevent functions such as adverse current, voltage stabilizing, shunting or overflow pressure release.The valve that is used for liquid control system, from the simplest stop valve to very complicated robot control system(RCS) used various valves, its kind and specification are quite various.Valve can be used for controlling flowing of all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.
Continuous development along with technology, people have higher requirement to valve, the effect of simple valve can't have been satisfied people's requirement, common valve can't arm the data such as flow of connection by valve, and manually-operable more complicated, data capture is difficulty relatively, therefore, people have proposed intelligent valve, intelligent valve namely is a kind of valve of realizing valve switch automatically that changes according to various external causes, provide the quick intelligent valve of a kind of intelligence (its application number is CN200610089607.7) as Chinese patent, valve has the quick intellectual material of intelligence, automatically the variation of perception valve external environment condition.Change according to the valve external environment condition, rely on the distortion of the quick intellectual material of intelligence, open automatically or throttle down, reach the purpose of autocontrol valve.The quick intelligent valve of this intelligence does not rely on external power such as electric power, and is simple and practical.
Be exactly to rely on external force such as electric power to realize opening automatically or the intelligent valve of throttle down in addition, provide Liquid valve intelligence monitoring and controlling device (its patent No. is ZL01261868.3) as Chinese patent, this patent disclosure the Liquid valve intelligence monitoring and controlling device that uses of a kind of petroleum industry, this device is by control box, speed reducer, compositions such as valve opening display mechanism and data capture mechanism, the valve rod of Liquid valve passes valve opening display mechanism, be connected by coupling with direct current motor in the control box with speed reducer, the signal of data capture mechanism is transported to the single-chip microcomputer of control box.Integrate valve regulated, pressure and flow and show, report to the police, be suitable for wild environment, realize that whole day is 24 hours automatic real-time monitoring.
Though above-mentioned patent has realized real-time monitoring, can't comprehensively understand the interior every data of valve body by arm, directly the aperture of accurate regulating valve.
Summary of the invention
There are the problems referred to above in the utility model at existing technology, a kind of intelligent valve has been proposed, this intelligent valve can intuitively be understood the every data by the fluid of valve, is convenient to regulate under the designated parameter value aperture of control valve, has wider application area.
The utility model is realized by following technical proposal: a kind of intelligent valve, comprise valve body, valve rod, spool, be used for gathering the aperture induced potential device of valve spool aperture signal, be used for gathering the pressure transducer of valve inlet end and outlet end pressure signal, be used for gathering the temperature transducer of valve fluid loop temperature signal, the display modular that is used for receiving the execution driving mechanism of instruction controlling opening of valve and is used for showing the every data of valve inner fluid, described spool is arranged in the valve body, one end of described valve rod is connected with spool, the other end is connected with the execution driving mechanism, it is characterized in that, this intelligent valve also comprises for receiving the electric potential signal that aperture induced potential device is gathered, the temperature signal of the pressure signal of pressure transducer collection and temperature transducer collection carries out computing and outputting data signals carries out the controller that control signal control execution driving mechanism controlling opening of valve size is exported in the data demonstration simultaneously to display modular, described aperture induced potential device, pressure transducer is connected with the controller input end with temperature transducer, and described display modular is connected with the output terminal of controller with the execution driving mechanism.
Aperture induced potential device is arranged on the electric potential signal that is used for gathering valve opening in the final controlling element, pressure transducer is gathered the pressure signal of valve inlet end and outlet end, temperature transducer is gathered fluid temperature signal, and the electric potential signal of gathering, pressure signal and temperature signal flow to controller, the pressure signal that controller receives, calculate valve two ends pressure reduction, utilize valve front and back pressure difference data and the valve circulation coefficient that is built in controller inside, calculate the fluid flow by valve, and with the valve opening signal of gathering, valve inlet end and outlet end pressure signal, the temperature signal of the fluid circuit that temperature transducer is gathered, the valve inlet end that calculates and the pressure reduction of outlet end, the flux signal of the valve body that calculates, the temperature signal of fluid circuit, export to display modular, each signal shows in display modular, be convenient for people to understand the real time data of valve body inner fluid, pressure reduction changes when needing to change valve opening, compare according to the parameter that arranges in the controller, thereby comparison back controller output control signal is given the size of carrying out the driving mechanism controlling opening of valve.
In above-mentioned intelligent valve, described execution driving mechanism comprises for receiving controller output control signal and exporting final controlling element, motor and the screw mandrel that electrical signal control motor rotates, described motor is connected by reduction gear with screw mandrel, described machine shaft is connected with gear, one end of described screw mandrel is connected with the gear that cogs and match with machine shaft, the other end of described screw mandrel is connected with valve rod, the input end of described final controlling element is connected with the output terminal of controller, and the output terminal of described final controlling element is connected with motor.Controller output control signal is given final controlling element, and the actuator driven motor rotates, and motor drives screw mandrel by reduction gear and rotates, and screw mandrel is fixed on the valve rod, thus the aperture of control valve, and reduction gear is set can accurately regulate valve opening.
In above-mentioned intelligent valve, described aperture induced potential device is arranged in the final controlling element, and described pressure transducer and temperature transducer all are at least two, and described pressure transducer is arranged on valve inlet end and outlet end.Need to calculate the pressure difference signal of valve inlet end and outlet end, need pressure transducer be set at valve inlet end and outlet end; One of temperature transducer is installed in the valve body, gather the temperature of valve inner fluid, when valve body is installed in the feed-water end that fluid refluxes, another temperature transducer is installed in the entrance point of fluid circuit, when valve body is installed in the backwater end that fluid refluxes, then another temperature transducer is installed in the feed-water end that fluid refluxes, thereby two temperature transducers realize that the temperature signal at acquisition circuit two ends calculates the temperature signal of fluid circuit, therefore need two temperature transducers and pressure transducer at least.
As another kind of scheme, in above-mentioned intelligent valve, described execution driving mechanism comprises the control circuit that rotates for the control motor, motor and screw mandrel, described motor is connected by reduction gear with screw mandrel, described machine shaft is connected with gear, one end of described screw mandrel is connected with the gear that cogs and match with machine shaft, the other end of described screw mandrel is connected with valve rod, the input end of described control circuit is connected with the output terminal of controller, and the output terminal of described control circuit is connected with motor.Controller output control signal is given control circuit, and control circuit control motor rotates, and motor drives screw mandrel by reduction gear and rotates, and screw mandrel is fixed on the valve rod, thus the aperture of control valve, and reduction gear is set can accurately regulate valve opening.
In above-mentioned intelligent valve, described final controlling element comprises receiving module and the drive circuit for the control signal that receives controller output, the output terminal of described receiving module and controller is connected, the input end of described drive circuit is connected with receiving module, and the output terminal of described drive circuit is connected with motor.Controller output signal is given receiving module, and receiving module outputs signal to drive circuit, and drive circuit output electrical signal is given motor, and drive motor rotates.
In above-mentioned intelligent valve, the output terminal of described controller also is connected with for being connected with computer and carries out the communication module that data communication realizes telecontrol, and described communication module is integrated in the controller.Communication module is set realizes telecontrol, have more practicability.
In above-mentioned intelligent valve, described display modular comprises display screen and be used for to receive the data-signal of controller output and carry out the processing circuit of analysing and processing, the input end of described processing circuit is connected with the output terminal of controller, the output terminal of described processing circuit is connected with display screen, and described display screen is fixedly installed on the valve body.Controller is exported to processing circuit with the data-signal of sensor collection and the data-signal that calculates, export to display screen after processing circuit is handled signal and carry out corresponding data demonstration at display screen, display screen is fixed on the valve body, makes things convenient for the staff that the information of valve body inner fluid is monitored.
In above-mentioned intelligent valve, the input end of described controller also is connected with the manual load module that changes the required aperture size of valve for manual input parameter, and described manual load module is integrated in the display screen.Manual load module is set, the parameter of initial setting up is reset, thereby according to new parameter valve opening is regulated, improve practicability.
In above-mentioned intelligent valve, the power input of described controller is connected with power module, described power module comprises rectification circuit and reduction voltage circuit, described rectification circuit with input end be connected with power supply, the output terminal of described rectification circuit is connected with the input end of reduction voltage circuit, and the output terminal of described reduction voltage circuit is connected with the power input of single-chip microcomputer.Because what single-chip microcomputer needed is low-voltage dc power supply, then need the AC rectification of input is become direct current and carries out step-down.
Compared with prior art, this intelligent valve has the following advantages: 1, a plurality of sensors are set signals such as the temperature in the valve, pressure, valve opening are gathered, by controller signal is carried out computing, every data of the fluid by valve are shown intuitively; 2, manual load module is set, improves the scope of valve applications, improved practicability; 3, communication module is set, realizes telecontrol, be convenient to staff's operation.
Description of drawings
Fig. 1 is electrical block diagram of the present utility model.
Among the figure, 1, pressure transducer; 2, temperature transducer; 3, aperture induced potential device; 4, controller; 5, final controlling element; 5a, receiving module; 5b, drive circuit; 6, power module; 6a, rectification circuit; 6b, reduction voltage circuit; 7, display modular; 7a, processing circuit; 7b, display screen; 8, manual load module; 9, communication module; 10, stepper motor.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, a kind of intelligent valve, comprise valve body, valve rod, spool, pressure transducer 1, temperature transducer 2, aperture induced potential device 3, controller 4, carry out driving mechanism, power module 6, display modular 7, manual load module 8, spool is arranged in the valve body, one end of valve rod is connected with spool, the other end is connected with the execution driving mechanism, pressure transducer 1, temperature transducer 2, aperture induced potential device 3 is connected with the input end of controller 4 with manual load module 8, carry out driving mechanism and be connected with the output terminal of display modular 7 with controller 4, power module 6 is connected with the power input mouth of controller 4.
Aperture induced potential device 3 is arranged on the electric potential signal that is used for gathering valve opening in the valve, two pressure transducers 1 are arranged on the temperature signal that valve inlet end and outlet end are used for gathering valve inlet end and outlet end, two 2 one of temperature transducers are installed in the valve body, gather the temperature of valve inner fluid, when valve body is installed in the feed-water end that fluid refluxes, another temperature transducer is installed in the entrance point of fluid circuit, when valve body is installed in the backwater end that fluid refluxes, then another temperature transducer is installed in the feed-water end that fluid refluxes, thereby two temperature transducers 2 realize that the temperature signal at acquisition circuit two ends calculates the temperature signal of fluid circuit; Carry out driving mechanism and comprise that final controlling element 5 comprises receiving module 5a and the drive circuit 5b for the control signal that receives controller 4 outputs for receiving controller 4 output control signals and exporting final controlling element 5, motor and the screw mandrel that electrical signal control motor rotates; Display modular 7 comprises display screen 7b and be used for to receive the data-signal of controller 4 outputs and carry out the processing circuit 7a of analysing and processing.Motor is connected by reduction gear with screw mandrel, machine shaft is connected with gear, one end of screw mandrel is connected with the gear that cogs and match with machine shaft, two gears match and reach the deceleration purpose, improve the accuracy of valve opening control, the other end of screw mandrel is connected with valve rod, the input end of the receiving module 5a of final controlling element 5 is connected with the output terminal of controller 4, the output terminal of receiving module 5a is connected with drive circuit 5b input end, the output terminal of drive circuit 5b is connected with the electric power incoming line of motor, the input end of processing circuit 7a in the display modular 7 is connected with the output terminal of controller 4, also be integrated with on the controller 4 for realizing the communication module 9 that long-distance intelligent is controlled with the computer data communication, the output terminal of communication processing circuit 7a is connected with display screen 7b, display screen 7b is fixedly installed on the valve body, manually load module 8 is integrated among the display screen 7b, power module 6 comprises rectification circuit 6a and reduction voltage circuit 6b, rectification circuit 6a with input end be connected with power supply, the output terminal of rectification circuit 6a is connected with the input end of reduction voltage circuit 6b, the output terminal of reduction voltage circuit 6b is connected with the power input of controller 4, motor is the small type stepping motor 10 of low pressure, drive circuit 5b output pulse signal control step motor 10 rotates, frequency by the regulating impulse signal is regulated rotating speed of motor, because controller 4 needs the low-voltage dc power supply power supply for single-chip microcomputer, therefore need rectification circuit 6a that ac power supply is made into direct current, and by reduction voltage circuit 6b step-down.
Another kind of scheme as this intelligent valve, carry out driving mechanism and comprise the relay circuit that rotates for the control motor, motor and screw mandrel, motor is connected by reduction gear with screw mandrel, machine shaft is connected with gear, and an end of screw mandrel is connected with the gear that cogs and match with machine shaft, and the other end of screw mandrel is connected with valve rod, the input end of relay circuit is connected with the output terminal of controller 4, and the output terminal of relay circuit is connected with motor.Motor is connected with the main circuit of relay circuit, drives by relay, and the control circuit of controller 4 output control signal control relay circuits is controlled the rotation of motor.
The working principle of this intelligent valve is as follows: when fluid flows in valve, two pressure transducers 1 are gathered the pressure signal of valve inlet end and outlet end, the temperature signal of two temperature transducer 2 acquisition stream body loop feed-water ends and backwater end, aperture induced potential device 3 is gathered the electric potential signal of valve opening, and with the pressure signal of gathering, temperature signal and valve opening electric potential signal flow to controller 4, controller 4 calculates the pressure difference signal of valve inlet end and outlet end, the temperature signal of fluid circuit, and compare out the parameter value of the valve negotiability of setting by the electric potential signal of valve opening, pass through formula
(Q: by the flow of valve; Kv: valve is in the negotiability of certain aperture; Δ P: pressure reduction before and after the valve) calculate the flow by the fluid of valve, controller 4 is with corresponding temperature, pressure, the temperature difference, data-signal such as pressure reduction and valve flow is exported to the processing circuit 7a in the display modular 7, processing circuit 7a exports to display screen 7b after the data-signal of input is handled, carry out the display reminding of each data in the corresponding position of display screen 7b, during simultaneously according to the variation of pressure signal, controller 4 output control signals are given the final controlling element of carrying out in the driving mechanism 5, receiving module 5a in the final controlling element 5 outputs signal to drive circuit 5b after receiving control signal, 10 work of drive circuit 5b output pulse signal control step motor, stepper motor 10 work are according to the frequency rotation of pulse signal, cooperation actuate valve stem motion by reduction gear and screw mandrel, thus accurately the aperture of valve is adjusted to the aperture that sets the parameter correspondence; When the corresponding valve opening of parameter value of the valve negotiability that arranges does not reach demand, the staff need reset parameter value, at this moment, the staff is set to new parameter in the controller 4 by manual load module 8, and controller 4 is according to the new parameter controlling opening of valve of comparing; When the staff needs telecontrol, the output terminal of the communication module 9 in the controller 4 is connected with the PORT COM of computer, the data-signals such as temperature, pressure, the temperature difference, pressure reduction and valve flow of working as in the early gate have been demonstrated by corresponding computer program at computer, if need to regulate parameter, can directly in computer, arrange, by communication module 9 new argument that arranges is inputed to controller 4, controller 4 is according to the new parameter controlling opening of valve of comparing.This intelligent valve can get information about the information such as temperature, pressure, the temperature difference, pressure reduction and valve flow in the valve, realize the adjusting of automatic valve aperture, valve opening is regulated accurately, need not manually-operable, when environment change, can improve practicability by manual load module 8 and communication module 9 are set, make the Applicable scope of this intelligent valve wider.
Claims (9)
1. intelligent valve, comprise valve body, valve rod, spool, be used for gathering the aperture induced potential device (3) of valve spool aperture signal, be used for gathering the pressure transducer (1) of valve inlet end and outlet end pressure signal, be used for gathering the temperature transducer (2) of valve fluid loop temperature signal, the display modular (7) that is used for receiving the execution driving mechanism of instruction controlling opening of valve and is used for showing the every data of valve inner fluid, described spool is arranged in the valve body, one end of described valve rod is connected with spool, the other end is connected with the execution driving mechanism, it is characterized in that, this intelligent valve also comprises for receiving the electric potential signal that aperture induced potential device (3) is gathered, the temperature signal that the pressure signal of pressure transducer (1) collection and temperature transducer (2) are gathered carries out computing and outputting data signals carries out the controller (4) that control signal control execution driving mechanism controlling opening of valve size is exported in the data demonstration simultaneously for display modular (7), described aperture induced potential device (3), pressure transducer (1) is connected with controller (4) input end with temperature transducer (2), and described display modular (7) is connected with the output terminal of controller (4) with the execution driving mechanism.
2. intelligent valve according to claim 1, it is characterized in that, described execution driving mechanism comprises for receiving controller (4) output control signal and exporting the final controlling element (5) that electrical signal control motor rotates, motor and screw mandrel, described motor is connected by reduction gear with screw mandrel, described machine shaft is connected with gear, one end of described screw mandrel is connected with the gear that cogs and match with machine shaft, the other end of described screw mandrel is connected with valve rod, the input end of described final controlling element (5) is connected with the output terminal of controller (4), and the output terminal of described final controlling element (5) is connected with motor.
3. intelligent valve according to claim 2, it is characterized in that, described aperture induced potential device (3) is arranged in the final controlling element (5), and described pressure transducer (1) and temperature transducer (2) all are at least two, and described pressure transducer (1) is arranged on valve inlet end and outlet end.
4. intelligent valve according to claim 1, it is characterized in that, described execution driving mechanism comprises the control circuit that rotates for the control motor, motor and screw mandrel, described motor is connected by reduction gear with screw mandrel, described machine shaft is connected with gear, one end of described screw mandrel is connected with the gear that cogs and match with machine shaft, the other end of described screw mandrel is connected with valve rod, the input end of described control circuit is connected with the output terminal of controller (4), and the output terminal of described control circuit is connected with motor.
5. according to claim 2 or 3 described intelligent valves, it is characterized in that, described final controlling element (5) comprises receiving module (5a) and the drive circuit (5b) for the control signal that receives controller (4) output, described receiving module (5a) is connected with the output terminal of controller (4), the input end of described drive circuit (5b) is connected with receiving module (5a), and the output terminal of described drive circuit (5b) is connected with motor.
6. intelligent valve according to claim 5, it is characterized in that, the output terminal of described controller (4) also is connected with for being connected with computer and carries out the communication module (9) that data communication realizes telecontrol, and described communication module (9) is integrated in the controller (4).
7. intelligent valve according to claim 1, it is characterized in that, described display modular (7) comprises display screen (7b) and be used for to receive the data-signal of controller (4) output and carry out the processing circuit (7a) of analysing and processing, the input end of described processing circuit (7a) is connected with the output terminal of controller (4), the output terminal of described processing circuit (7a) is connected with display screen (7b), and described display screen (7b) is fixedly installed on the valve body.
8. intelligent valve according to claim 6, it is characterized in that, the input end of described controller (4) also is connected with the manual load module (8) that changes the required aperture size of valve for manual input parameter, and described manual load module (8) is integrated in the display screen (7b).
9. according to claim 6 or 7 or 8 described intelligent valves, it is characterized in that, the power input of described controller (4) is connected with power module (6), described power module (6) comprises rectification circuit (6a) and reduction voltage circuit (6b), the input end of described rectification circuit (6a) is connected with power supply, the output terminal of described rectification circuit (6a) is connected with the input end of reduction voltage circuit (6b), and the output terminal of described reduction voltage circuit (6b) is connected with the power input of single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699226 CN203147014U (en) | 2012-12-17 | 2012-12-17 | Intelligent valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699226 CN203147014U (en) | 2012-12-17 | 2012-12-17 | Intelligent valve |
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| CN203147014U true CN203147014U (en) | 2013-08-21 |
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| CN 201220699226 Expired - Fee Related CN203147014U (en) | 2012-12-17 | 2012-12-17 | Intelligent valve |
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| CN103697214A (en) * | 2013-12-23 | 2014-04-02 | 卓旦春 | Intelligent valve and control method thereof |
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2012
- 2012-12-17 CN CN 201220699226 patent/CN203147014U/en not_active Expired - Fee Related
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