CN110345256A - A kind of valve control method and valve - Google Patents
A kind of valve control method and valve Download PDFInfo
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- CN110345256A CN110345256A CN201910726854.0A CN201910726854A CN110345256A CN 110345256 A CN110345256 A CN 110345256A CN 201910726854 A CN201910726854 A CN 201910726854A CN 110345256 A CN110345256 A CN 110345256A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 112
- 230000005855 radiation Effects 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 11
- 230000010354 integration Effects 0.000 claims description 7
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 5
- 240000002853 Nelumbo nucifera Species 0.000 description 5
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
Disclose a kind of valve control method and valve, it is suitable for the application of in heating technology field, it can be according to the matching degree of the Heating Load of the heating power and prediction that are obtained from calorimeter, the aperture of valve is automatically adjusted to control heating load, it is maintained at room temperature within the temperature range of user preset, the comfort level of user can be improved, save heat resources, avoid the waste of the energy.Meanwhile the technical solution of the embodiment of the present invention does not need that temperature sensor is arranged indoors, can make to automatically control the problem of failing to avoid the failure because of indoor temperature transmitter.
Description
Technical field
The present invention relates to heating technology fields, and in particular to a kind of valve control method and valve.
Background technique
The heating system in China is serious in courtyard heating pipe network side hydraulic unbalance at present, causes heating load distribution uneven, some rooms
Between temperature it is too low, be lower than 16 DEG C, some rooms are excessively high, reach 26 DEG C, the comfort level that family is not used only for such case is poor, Er Qiewen
Spend it is low be easy to cause flu, jeopardize the health of user, temperature is excessively high, and it will cause energy wastes.In order to avoid for thermal energy
Source waste, many cities implement the caloric value system by heat charging, and newly-built heating system is forced to be respectively mounted household-based heat metering table,
It is charged with realizing by heat.Although being charged by heat however, being mounted with a large amount of heat meters almost without being implemented,
Cause idle and investment the waste of a large amount of calorimeter resource.
Summary of the invention
In view of this, the present invention provides a kind of valve control method and valve, it can be according to different user to Indoor Temperature
The demand of degree, the aperture of autocontrol valve is to control heating load.
In a first aspect, the embodiment of the present invention provides a kind of valve control method, for controlling the valve in heating system, institute
The method of stating includes:
Obtain meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Heating Load is predicted according to meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Obtain heating power；
Valve opening control parameter is determined according to the heating power and the Heating Load；
The aperture of the valve is controlled according to the valve opening control parameter.
Preferably, the meteorologic parameter includes horizontal plane intensity of solar radiation and outside air temperature, the building enclosure
Structural parameters include the shading coefficient of window, and the Heating Load is calculated by following formula and obtained:
Q=a (ti-to)2+b(ti-to)+c-rS；
Wherein, Q is the Heating Load of the controlled user of the valve；A, b and c is the scheduled recurrence system of Heating Load
Number；tiIt is the indoor target temperature that the controlled user expectation of the valve reaches；toIt is outside air temperature；R is the sunshade of window
Coefficient；S is horizontal plane intensity of solar radiation.
Preferably, the acquisition heating power includes:
Heating power is read according to calorimeter.
Preferably, valve opening control parameter is determined according to the heating power and the Heating Load specifically:
Valve opening control parameter is determined according to the difference of the heating power and the Heating Load.
Preferably, the relationship of the valve opening control parameter and the heating power and the Heating Load are as follows:
Wherein, V is valve opening or make-and-break time ratio；K is scheduled rate mu-factor；QPIt is negative for the heating heat
Lotus；QmFor the heating power；TIFor scheduled integration time constant；TDFor scheduled derivative time constant；τ is control process
The duration that start time to current time is undergone.
Second aspect, the embodiment of the present invention provide a kind of valve, comprising:
Valve body, the channel with water inlet, water outlet and the connection inlet and outlet；
First spool；It is set to first side in the channel；
Second spool is set to the second side in the channel；
Electric performance device is connect with first spool, and the electric performance device is configured as driving described first
Spool is to adjust the aperture of first spool；
Adjusting knob is connect with second spool, for adjusting the aperture of second spool；And
Dial is configured as indicating the aperture of second spool；
Controller, the controller are configured to execute the aperture that following steps control first spool:
Receive meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Heating Load is predicted according to meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Obtain heating power；
Valve opening control parameter is determined according to the heating power and the Heating Load；
The aperture of first spool is controlled according to the valve opening control parameter.
Preferably, the meteorologic parameter includes horizontal plane intensity of solar radiation and outside air temperature, the building enclosure
Structural parameters include the shading coefficient of window；
The controller is configured as obtaining the Heating Load by following formula:
Q=a (ti-to)2+b(ti-to)+c-rS；
Wherein, Q is the Heating Load of the controlled user of the valve；A, b and c is the scheduled recurrence system of Heating Load
Number；tiIt is the indoor target temperature that the controlled user expectation of the valve reaches；toIt is outside air temperature；R is the sunshade of window
Coefficient；S is horizontal plane intensity of solar radiation.
Preferably, the controller is configured as obtaining the heating power according to the measured value of calorimeter.
Preferably, the controller is configured as determining valve according to the difference of the heating power and the Heating Load
Door aperture control parameter；Wherein, the relationship of the valve opening control parameter and the heating power and the Heating Load
Are as follows:
Wherein, V is valve opening or make-and-break time ratio；K is scheduled rate mu-factor；QPIt is negative for the heating heat
Lotus；QmFor the heating power；TIFor scheduled integration time constant；TDFor scheduled derivative time constant；τ is control process
The duration that start time to current time is undergone.
Preferably, the electric performance device is also configured to
Receive the valve opening control parameter that the controller determines.
The embodiment of the invention provides a kind of valve control method and valve, it is suitable for the application of in heating technology field, it can
With according to from calorimeter obtain heating power and prediction Heating Load matching degree, automatically adjust the aperture of valve with
Heating load is controlled, is maintained at room temperature within the temperature range of user preset, the comfort level of user can be improved, saves heat
Resource avoids the waste of the energy.Meanwhile the technical solution of the embodiment of the present invention does not need that temperature sensor is arranged indoors, keeps away
Exempt to make to automatically control the problem of failing because of the failure of indoor temperature transmitter.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the structure chart of the valve control system of the embodiment of the present invention；
Fig. 2 is the flow chart of the valve control method of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the valve of the embodiment of the present invention；
Description of symbols:
1- valve body；11- water inlet；12- water outlet；The channel 13-；The first spool of 2-；The second spool of 3-；4- is electronic to execute dress
It sets；5- adjusting knob；6- dial.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in datail description of the invention.Do not have for a person skilled in the art
The present invention can also be understood completely in the description of these detail sections.In order to avoid obscuring essence of the invention, well known method, mistake
There is no narrations in detail for journey, process, element and circuit.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
The shading coefficient of window transmits hot without other sunshade measures for characterizing glass pane to solar radiation
Weaken degree.Its numerical value is the sun of the solar gain through glass pane and the normal transparent glass pane through 3mm thickness
The ratio for radiating hot.
Intensity of solar radiation is to indicate the physical quantity of solar radiation power, referred to as intensity of solar radiation, and unit is W/m2.Always
Intensity of solar radiation is the sum of beam radia intensity and solar scattered radiation intensity.
Fig. 1 is the structure chart of the valve control system of the embodiment of the present invention.As shown in Figure 1, the valve of the present embodiment controls
System includes calorimeter, out door climatic parameter sensor, processor, PID controller and valve.The calorimeter is mounted on heating
On the hot duct of user, for obtaining heating power.The out door climatic parameter sensor is mounted on outside building, including the sun
Radiation intensity sensor and temperature sensor, for obtaining meteorologic parameter.Processor is connect with out door climatic parameter sensor, is connect
Receive the meteorologic parameter of the out door climatic parameter sensor, receive those skilled in the art's input architectural exterior-protecting construction parameter and
The desired temperature objectives of user's input, calculate Heating Load.PID controller is connect with calorimeter, processor and valve,
The valve is electric control valve, and PID controller receives the heating power that the calorimeter measures and processor calculates resulting adopt
Warm heat load calculates valve opening control parameter and controls the aperture of the valve according to the valve opening control parameter.
PID controller (Proportion Integration Differentiation, proportional integral differential control
Device), it is made of proportional unit P, integral unit I and differentiation element D.PID controller is primarily adapted for use in substantially linear and dynamic is special
Property time invariant system.PID controller is a common feedback loop component in Industry Control Application.This control
Device processed is compared the data being collected into and a reference value, then this difference for calculating new input value, this
The purpose of new input value is that the data of system can be allowed to reach or be maintained at reference value.Not with other simple control operations
Together, PID controller can adjust input value according to the occurrence rate of historical data and difference, system can be made more quasi- in this way
Really, more stable.
Fig. 2 is the flow chart of the valve control method of the embodiment of the present invention.As shown in Fig. 2, the valve of the embodiment of the present invention
Control method the following steps are included:
Step S100, meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives are obtained.
The meteorologic parameter includes horizontal plane intensity of solar radiation and outside air temperature.The horizontal plane solar radiation is strong
Degree can be measured by the intensity of solar radiation sensor being arranged in outside building.Those skilled in the art can also be according to Chinese people's republicanism
" Our Country Primary Cities winter or summer in " JGJ35-87 builds meteorologic parameter standard " of the publication of Ministry of Urban and Rural Construction and Environmental Protection, state
Intensity of solar radiation table ", or determine that the horizontal plane solar radiation is strong about the research of intensity of solar radiation with reference to other
Degree.The outside air temperature can obtain in real time in the outer setting temperature sensor of building to obtain, or from local meteorological observatory
Outside air temperature.
In the present embodiment, the architectural exterior-protecting construction parameter includes the shading coefficient of window.Those skilled in the art can
According to the actual conditions of the outer window glass of the building of user, such as glass kind, thickness, by being calculated.Certainly, described to build
Build heat transfer coefficient, the window wall area ratio etc. that building enclosure parameter can also include exterior wall.
The desired temperature objectives determine according to the demand of user.
Step S200, Heating Load is predicted according to meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives.
The Heating Load can be calculated by following formula:
Q=a (ti-to)2+b(ti-to)+c-rS；
Wherein, Q is the Heating Load of the controlled user of the valve；A, b and c is the scheduled recurrence system of Heating Load
Number, is fitted to obtain its numerical value according to prior Heating Load calculated result；tiIt is the controlled user expectation of the valve
The indoor target temperature reached；toIt is outside air temperature；R is the shading coefficient of window；S is horizontal plane intensity of solar radiation.
Those skilled in the art can also according to the actual situation, according to other correction terms, such as Air Infiltration, to above-mentioned
Formula is modified to carry out the calculating of Heating Load.
Step S300, heating power is obtained.
The heating power is obtained by the calorimeter measurement being arranged on user heating pipeline.
Step S400, valve opening control parameter is determined according to the heating power and the Heating Load.
The valve opening control parameter can be calculated by PID controller according to following formula:
Wherein, V is valve opening or make-and-break time ratio；K is scheduled rate mu-factor；QPIt is negative for the heating heat
Lotus；QmFor the heating power；TIFor scheduled integration time constant；TDFor scheduled derivative time constant；τ is control process
The duration that start time to current time is undergone.
Step S500, the aperture of the valve is controlled according to the valve opening control parameter.
PID controller controls the aperture of electric control valve according to the resulting valve opening control parameter is calculated.
Above-mentioned steps S100 to S500 is recycled after control process starts and is carried out, and the period can be by those skilled in the art
Determines according to actual conditions.
It should be understood that the valve control method of the embodiment of the present invention is not necessarily carried out in strict accordance with above-mentioned steps, can also do
The adjustment of some adaptability, such as step S300 and step S100 can be carried out simultaneously.
Fig. 3 is the structural schematic diagram of the valve of the embodiment of the present invention.As shown in figure 3, the valve setting of the present embodiment is being adopted
On heating coil road, the valve includes valve body 1, the first spool 2, the second spool 3, electric performance device 4, adjusting knob 5, dial
6 and controller.Valve body 1 includes water inlet 11, water outlet 12 and the channel 13 for being connected to water inlet 11 and water outlet 12, the first valve
Core 2 and the second spool 3 are respectively arranged at the two sides in the channel 13, when the first spool 2 or the second spool 3 any one or
When first spool 2 and the second spool 3 are in full off state, the fluid in pipeline cannot reach water outlet 12 from water inlet 11.
Electric performance device 4 is connect with the first spool 2, and controller is connect to control the change of electric performance device 4 with electric performance device 4
The aperture of first spool 2.Adjusting knob 5 is connect with the second spool 3, and for adjusting the aperture of the second spool 3, dial 6 is arranged
At adjusting knob 5, it is used to indicate the aperture of the second spool 3.
In the present embodiment, the form of the valve can be gate valve, butterfly valve or ball valve etc., and those skilled in the art can root
It is voluntarily selected according to actual needs.The aperture of second spool 3 can be according to the desired room temperature upper limit of user, by exchanging
The operation of section knob 5 is adjusted.Optionally, it may also set up the second electric performance device to connect with the second spool 3, controller root
According to the room temperature upper limit that user inputs, the second electric performance device of control adjusts the aperture of the second spool 3.Second spool
3 can also when the first spool 2, electric performance device 4 or controller break down or repair, by user or maintenance personal into
Row is manually adjusted or is turned off, to guarantee using the safety with maintenance process.
The controller can be independent processor, be also possible to the set of multiple processors.In the present embodiment, it controls
Device processed includes PID controller, PID controller in heating pipe calorimeter and the valve connect.Those skilled in the art
Can according to the method in the step S100 of above-mentioned valve control method process to determine meteorologic parameter and architectural exterior-protecting construction parameter,
And meteorologic parameter is input in controller, such as by intensity of solar radiation sensor and outdoor temperature sensor and controller
It connects and related data is transmitted to controller.It is negative that the step S200 that controller executes above method process calculates heating heat
Lotus.
The heating power and controller that PID controller is measured according to the calorimeter calculate resulting Heating Load, root
The valve opening control parameter is calculated according to following formula:
Wherein, V is valve opening or make-and-break time ratio；K is scheduled rate mu-factor；QPIt is negative for the heating heat
Lotus；QmFor the heating power；TIFor scheduled integration time constant；TDFor scheduled derivative time constant；τ is control process
The duration that start time to current time is undergone.
PID controller controls the driving of electric performance device 4 according to the resulting valve opening control parameter is calculated
Second spool 3 moves, and the aperture of second spool 3 is adjusted, so that the heating load of heating pipe is adjusted, so that Indoor Temperature
Degree is maintained in temperature range set by user.
In the present embodiment, the valve can also realize that the hydraulic equilibrium of heating pipe network is adjusted automatically.The controller is also
It is configured as calculating the hydraulic equilibrium spool position of valve according to hydraulic pipeline equilibrium condition, and according to the hydraulic jacking tests
The aperture of first spool 2 and/or second spool 3 described in core position control is made with realizing the hydraulic equilibrium in heating pipe network
Water required for heating pipe network can steadily be conveyed according to the load variations of each terminal temperature difference reaches user end.It is described
Hydraulic equilibrium spool position can be calculated according to the following formula:
Wherein, kbIt is the hydraulic equilibrium spool position of the valve；ΔPV, rIt is the design conditions water flowing resistance of the valve
Power；ΔPvIt is the heating water flow resistance of the valve, Δ PvIt can be calculated by following formula:
ΔPv=Δ Pmax-ΔPp
Wherein, Δ PmaxIt is the water circulation resistance of heating pipe network least favorable branch；ΔPpIt is heating branch where the valve
The resistance of ducting.
A kind of valve control method and valve provided in an embodiment of the present invention, are suitable for the application of in heating technology field, can
With according to from calorimeter obtain heating power and prediction Heating Load matching degree, automatically adjust the aperture of valve with
Heating load is controlled, is maintained at room temperature within the temperature range of user preset, the comfort level of user can be improved, saves heat
Resource avoids the waste of the energy.Meanwhile the technical solution of the embodiment of the present invention does not need that temperature sensor is arranged indoors, keeps away
Exempt to make to automatically control the problem of failing because of the failure of indoor temperature transmitter.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For, the invention can have various changes and changes.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of valve control method, for controlling the valve in heating system, which is characterized in that the described method includes:
Obtain meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Heating Load is predicted according to meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Obtain heating power；
Valve opening control parameter is determined according to the heating power and the Heating Load；
The aperture of the valve is controlled according to the valve opening control parameter.
2. the method according to claim 1, wherein the meteorologic parameter include horizontal plane intensity of solar radiation and
Outside air temperature, the architectural exterior-protecting construction parameter include the shading coefficient of window, and the Heating Load is by following formula
It calculates and obtains:
Q=a (ti-to)2+b(ti-to)+c-rS；
Wherein, Q is the Heating Load of the controlled user of the valve；A, b and c is the scheduled regression coefficient of Heating Load；ti
It is the indoor target temperature that the controlled user expectation of the valve reaches；toIt is outside air temperature；R is the sunshade system of window
Number；S is horizontal plane intensity of solar radiation.
3. the method according to claim 1, wherein the acquisition heating power includes:
Heating power is read according to calorimeter.
4. the method according to claim 1, wherein being determined according to the heating power and the Heating Load
Valve opening control parameter specifically:
Valve opening control parameter is determined according to the difference of the heating power and the Heating Load.
5. according to the method described in claim 4, it is characterized in that, the valve opening control parameter and the heating power and
The relationship of the Heating Load are as follows:
Wherein, V is valve opening or make-and-break time ratio；K is scheduled rate mu-factor；QPFor the Heating Load；Qm
For the heating power；TIFor scheduled integration time constant；TDFor scheduled derivative time constant；When τ starts for control process
It is carved into the duration of current time experience.
6. a kind of valve characterized by comprising
Valve body (1), the channel with water inlet (11), water outlet (12) and the connection water inlet (11) and water outlet (12)
(13)；
First spool (2) is set to first side in the channel (13)；
Second spool (3), is set to second side of the channel (13)；
Electric performance device (4) is connect with first spool (2), and the electric performance device (4) is configured as described in driving
First spool (2) is to adjust the aperture of first spool (2)；
Adjusting knob (5) is connect with second spool (3), for adjusting the aperture of second spool (3)；And
Dial (6) is configured as indicating the aperture of second spool (3)；
Controller, the controller are configured to execute the aperture that following steps control first spool (2):
Receive meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Heating Load is predicted according to meteorologic parameter, architectural exterior-protecting construction parameter and desired temperature objectives；
Obtain heating power；
Valve opening control parameter is determined according to the heating power and the Heating Load；
The aperture of first spool (2) is controlled according to the valve opening control parameter.
7. valve according to claim 6, which is characterized in that the meteorologic parameter include horizontal plane intensity of solar radiation and
Outside air temperature, the architectural exterior-protecting construction parameter include the shading coefficient of window；
The controller is configured as obtaining the Heating Load by following formula:
Q=a (ti-to)2+b(ti-to)+c-rS；
Wherein, Q is the Heating Load of the controlled user of the valve；A, b and c is the scheduled regression coefficient of Heating Load；ti
It is the indoor target temperature that the controlled user expectation of the valve reaches；toIt is outside air temperature；R is the sunshade system of window
Number；S is horizontal plane intensity of solar radiation.
8. valve according to claim 7, which is characterized in that the controller is configured as the measured value according to calorimeter
Obtain the heating power.
9. valve according to claim 8, which is characterized in that the controller be configured as according to the heating power and
The difference of the Heating Load determines valve opening control parameter；Wherein, the valve opening control parameter and the heat supply
The relationship of power and the Heating Load are as follows:
Wherein, V is valve opening or make-and-break time ratio；K is scheduled rate mu-factor；QPFor the Heating Load；Qm
For the heating power；TIFor scheduled integration time constant；TDFor scheduled derivative time constant；When τ starts for control process
It is carved into the duration of current time experience.
10. valve according to claim 6, which is characterized in that the electric performance device (4) is also configured to
Receive the valve opening control parameter that the controller determines.
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|---|---|---|---|
| CN201910726854.0A CN110345256A (en) | 2019-08-07 | 2019-08-07 | A kind of valve control method and valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726854.0A CN110345256A (en) | 2019-08-07 | 2019-08-07 | A kind of valve control method and valve |
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| CN110345256A true CN110345256A (en) | 2019-10-18 |
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| CN201910726854.0A Pending CN110345256A (en) | 2019-08-07 | 2019-08-07 | A kind of valve control method and valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396982A (en) * | 2020-02-26 | 2020-07-10 | 华电电力科学研究院有限公司 | Thermodynamic coupling hydraulic heat supply network balance adjusting method and heat supply system |
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| CN111461466A (en) * | 2020-05-18 | 2020-07-28 | 瑞纳智能设备股份有限公司 | Heating household valve adjusting method, system and equipment based on L STM time sequence |
| CN111561734A (en) * | 2020-05-18 | 2020-08-21 | 瑞纳智能设备股份有限公司 | Heating household valve adjusting method, system and equipment based on artificial intelligence |
| CN113863422A (en) * | 2021-08-04 | 2021-12-31 | 成都威克瑞节能技术有限公司 | Efficient and energy-saving system for fluid conveying |
| CN114688704A (en) * | 2022-04-11 | 2022-07-01 | 中车青岛四方机车车辆股份有限公司 | Air conditioner control method, system, electronic device, storage medium, and program product |
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