CN105865543A - Hydraulic balance valve, detection adjusting method of serial-connection tail end thereof and detection adjusting device - Google Patents
Hydraulic balance valve, detection adjusting method of serial-connection tail end thereof and detection adjusting device Download PDFInfo
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- CN105865543A CN105865543A CN201610225058.5A CN201610225058A CN105865543A CN 105865543 A CN105865543 A CN 105865543A CN 201610225058 A CN201610225058 A CN 201610225058A CN 105865543 A CN105865543 A CN 105865543A
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- valve member
- hydraulic jacking
- resistance
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- jacking tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
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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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a hydraulic balance valve, a detection adjusting method of a serial-connection tail end and a detection adjusting device adopted in the method. The detection adjusting method includes: measuring for the first time: opening the hydraulic balance valve to a first opening degree, acquiring first valve resistance corresponding to the hydraulic balance valve according to the first opening degree, measuring to acquire a first valve pressure difference between the hydraulic balance valve, and calculating first valve flow flowing through the hydraulic balance valve according to the first valve pressure difference and the first valve resistance; measuring for the second time: adjusting the hydraulic balance valve to a second opening degree, acquiring second valve resistance corresponding to the hydraulic balance valve according to the second opening degree, measuring to acquire a second valve pressure difference of two ends of the hydraulic balance valve, and calculating second valve flow flowing through the hydraulic balance valve; calculating to acquire resistance of the tail end. By using the detection adjusting method, actual resistance parameters of the tail end can be acquired, and blockage point positions can be found accurately.
Description
Technical field
The present invention relates to central heating and central air conditioning water system technical field, put down particularly to a kind of waterpower
Weighing apparatus valve and series connection end detection control method and detection adjusting means.
Background technology
Hydraulic equilibrium technology is the important technology in heating air conditioning water system, directly influences heating air conditioning
Using effect and energy saving of system, China design and construction reference in compulsive requirement do hydraulic equilibrium calculation and
Hydraulic jacking tests is installed.Use meter specially that hydraulic jacking tests is debugged at the scene, each end can be made
End obtains due suitable flow.
During architectural design, the end such as every building, unit or floor machine room all calculates drag parameter,
Have matched hydraulic jacking tests, but in practice of construction, there is a lot of uncertain factor, be difficult to fully according to
Drawing construction, and construction quality product quality all can affect resistance, water quality totally can not block yet valve,
Filter or heat transmission equipment, user also can oneself more heat exchange radiator, therefore, the actual resistance of end with
Design load has relatively large deviation.The actual resistance parameter of end is measured currently without way.
In engineering, if there is the end heating such as certain building, unit or floor machine room the hottest (or
Person's air-conditioning is the coldest) phenomenon, engineering staff needs on-the-spot investigation to find the position of blocking.On-the-spot phenomenon
It is that flow is on the low side, and stifled point is likely to be and gets lodged in building, it is also possible to be to get lodged in outer net system, due to
The actual resistance parameter having no idea to measure end in prior art helps investigation, thus is difficult to accurately find
Stifled some position.
Therefore, how to obtain the actual resistance parameter of end, accurately to find stifled some position, be current basis
Skilled person's urgent problem.
Summary of the invention
In view of this, the invention provides a kind of hydraulic jacking tests and the detection control method of series connection end thereof,
And a kind of hydraulic jacking tests and the detection adjusting means of series connection end thereof, it is possible to obtain the actual resistance of end
Force parameter, contributes to accurately finding stifled some position.
For achieving the above object, the present invention provides following technical scheme:
A kind of hydraulic jacking tests and the detection control method of series connection end thereof, comprise the following steps:
Step one: measure for the first time, hydraulic jacking tests is reached the first aperture f1, opens according to described first
Degree f1 obtains the first valve member resistance Kvf1 that described hydraulic jacking tests is corresponding, measures and obtains described hydraulic equilibrium
First valve member pressure reduction △ Pf1 of valve both sides, according to described first valve member pressure reduction △ Pf1 and described first valve member
Resistance Kvf1, is calculated the first valve member flow Qf1 flowing through described hydraulic jacking tests；
Step 2: second time is measured, adjusts described hydraulic jacking tests to the second aperture f2, according to described the
Two apertures f2 obtain the second corresponding valve member resistance Kvf2 of described hydraulic jacking tests, measure and obtain described water
The second valve member pressure reduction △ Pf2 at dynamic balance valve two ends, according to described second valve member pressure reduction △ Pf2 and described
Two valve member resistance Kvf2, are calculated the second valve member flow Qf2 flowing through described hydraulic jacking tests；
Step 3: calculate end resistance Kvm.
Preferably, in the step 3 of above-mentioned detection control method: according to formula
(Qf1/Kvf1)2+(Qf1/Kvm)2=(Qf2/Kvf2)2+(Qf2/Kvm)2, calculate described end resistance
Kvm。
Preferably, also include in the step 3 of above-mentioned detection control method: record and/or store described end
End resistance Kvm.
Preferably, also include in the step 3 of above-mentioned detection control method:
According to formula △ P?=(Qf1/Kvf1)2+(Qf1/Kvm)2=(Qf2/Kvf2)2+(Qf2/Kvm)2, or
Formula △ P?=(Qf2/Kvf2)2+(Qf2/Kvm)2, or formula △ P?=
(Qf2/Kvf2)2+(Qf2/Kvm)2, calculate the pressure reduction sum △ P of described hydraulic jacking tests and described end?。
Preferably, in above-mentioned detection control method, also include step 4: target flow Q is substituted into public affairs
Formula (Qf1/Kvf1)2+(Qf1/Kvm)2=(Q/Kvf)2+(Q/Kvm)2, or formula
(Qf2/Kvf2)2+(Qf2/Kvm)2=(Q/Kvf)2+(Q/Kvm)2In, calculate described target flow Q institute
The target valve member resistance Kvf needed, obtains hydraulic jacking tests further according to described target valve member resistance Kvf corresponding
Target aperture f.
Preferably, in above-mentioned detection control method, utilize differential manometer, measure and obtain described first valve member
Pressure reduction △ Pf1 and described second valve member pressure reduction △ Pf2.
Preferably, in the step one of above-mentioned detection control method: described hydraulic jacking tests is reached described
After one aperture f1, obtain described first aperture according to the parameter that the manufacturing enterprise of described hydraulic jacking tests provides
The described first valve member resistance Kvf1 that f1 is corresponding；
In step 2: after described hydraulic jacking tests is reached described second aperture f2, according to described hydraulic equilibrium
The described parameter that the manufacturing enterprise of valve provides obtains the described second valve member resistance that described second aperture f2 is corresponding
Kvf2。
Preferably, in the step one of above-mentioned detection control method, by described first valve member pressure reduction △ Pf1 and
Described first valve member resistance Kvf1 substitutes into hydrodynamics formula △ Pf1=(Qf1/Kvf1)2, it is calculated
Described first valve member flow Qf1；
In step 2, described second valve member pressure reduction △ Pf2 and described second valve member resistance Kvf2 is substituted into stream
Mechanics formula △ Pf2=(Qf2/Kvf2)2, it is calculated described second valve member flow Qf2.
Preferably, in above-mentioned detection control method, by the production of hydraulic jacking tests described in software inquiry
The parameter that enterprise provides, obtains described first valve member resistance Kvf1 and described second valve member resistance Kvf2；And
And, calculated by software, obtain described first valve member flow Qf1 and described second valve member flow Qf2.
A kind of hydraulic jacking tests and the detection adjusting means of series connection end thereof, including:
Hydraulic jacking tests and series connection end thereof, described hydraulic jacking tests and described end are in heating system
One branch road, the total pressure head △ P of this branch road?Constant；
For inquiring about the inquiry unit of the parameter that the manufacturing enterprise of described hydraulic jacking tests provides, described parameter
Aperture and corresponding valve member resistance including described hydraulic jacking tests；
For measuring the differential manometer of described hydraulic jacking tests two ends pressure reduction；
For measuring the flowmeter of the flow flowing through described hydraulic jacking tests.
From technique scheme it can be seen that the hydraulic jacking tests provided by the present invention and series connection end
Detection control method and detection adjusting means, it is only necessary to twice regulation aperture of hydraulic jacking tests and twice survey
The pressure reduction at amount hydraulic jacking tests two ends, can calculate the actual resistance parameter of hydraulic jacking tests series connection end,
I.e. end resistance Kvm.According to the actual end resistance Kvm tried to achieve, this terminus inner can be analyzed whether
Blocking or short circuit: calculated actual end resistance Kvm parameter value is relatively big, then in this end is described
Portion blocks；Calculated actual end resistance Kvm parameter value is less, then this terminus inner short circuit is described；
Calculated actual end resistance Kvm is range of normal value, then judge that stifled some position is beyond end
Position.Visible, the present invention can investigate the series connection end work of hydraulic jacking tests by simple mechanism and method
Whether normal condition is, thus helps accurately to judge that whether stifled some position is at this end.
Further, by said method and device, it is also possible to calculate hydraulic jacking tests and series connection end thereof
The pressure reduction sum △ P of end place branch road?, △ P?Relatively big, then stifled some position is in hydraulic jacking tests and series connection thereof
End place branch road；△P?Less or normal, then stifled some position is in outer net system.Visible, the present invention is led to
Cross straightforward procedure and device can calculated actual end resistance Kvm and branch road pressure reduction sum △ P?,
Thus help accurately to judge stifled some position.
Further, by said method and device, it is also possible to calculate the mesh needed for target flow Q
Mark valve member resistance Kvf, obtains, further according to target valve member resistance Kvf, target aperture f that hydraulic jacking tests is corresponding.
Visible, the present invention can calculate close valve opening by straightforward procedure and device, it is not necessary to again and again
Try to regulate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the hydraulic jacking tests that the present invention the first specific embodiment provides and the detection tune connecting end thereof
The flow chart of joint method；
Fig. 2 is the hydraulic jacking tests that the present invention the second specific embodiment provides and the detection tune connecting end thereof
The flow chart of joint method.
Detailed description of the invention
The invention provides a kind of hydraulic jacking tests and the detection control method of series connection end thereof, and a kind of
Hydraulic jacking tests and the detection adjusting means of series connection end thereof, it is possible to obtain the actual resistance parameter of end,
Contribute to accurately finding stifled some position.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Refer to hydraulic jacking tests and series connection end thereof that Fig. 1, Fig. 1 are the offers of the present invention the first specific embodiment
The flow chart of the detection control method of end.
A kind of hydraulic jacking tests and the detection of series connection end thereof that the present invention the first specific embodiment provides regulate
Method, comprises the following steps:
Step one: measure for the first time, reaches the first aperture f1 (such as 2.5 circle), root by hydraulic jacking tests
Obtain, according to the first aperture f1, the first valve member resistance Kvf1 that hydraulic jacking tests is corresponding, measure and obtain hydraulic equilibrium
First valve member pressure reduction △ Pf1 of valve both sides, according to the first valve member pressure reduction △ Pf1 and the first valve member resistance Kvf1,
It is calculated the first valve member flow Qf1 flowing through hydraulic jacking tests；
Step 2: second time is measured, adjusts hydraulic jacking tests to the second aperture f2 (such as 1 circle), root
Obtain the second corresponding valve member resistance Kvf2 of hydraulic jacking tests according to the second aperture f2, measurement obtains waterpower and puts down
The second valve member pressure reduction △ Pf2 at weighing apparatus valve two ends, according to the second valve member pressure reduction △ Pf2 and the second valve member resistance
Kvf2, is calculated the second valve member flow Qf2 flowing through hydraulic jacking tests；(so far, 6 on balanced valve
Individual parameter, the i.e. first valve member resistance Kvf1, the first valve member pressure reduction △ Pf1, the first valve member flow Qf1,
Two valve member resistance Kvf2, the second valve member pressure reduction △ Pf2, the second valve member flow Qf2, all obtain)
Step 3: calculate end resistance Kvm.
From technique scheme it can be seen that the hydraulic jacking tests provided by the present invention and series connection end
Detection control method and detection adjusting means, it is only necessary to twice regulation aperture of hydraulic jacking tests and twice survey
The pressure reduction at amount hydraulic jacking tests two ends, can calculate the actual resistance parameter of hydraulic jacking tests series connection end,
I.e. end resistance Kvm.According to the actual end resistance Kvm tried to achieve, this terminus inner can be analyzed whether
Blocking or short circuit: calculated actual end resistance Kvm parameter value is relatively big, then in this end is described
Portion blocks；Calculated actual end resistance Kvm parameter value is less, then this terminus inner short circuit is described；
Calculated actual end resistance Kvm is range of normal value, then judge that stifled some position is beyond end
Local.Visible, the series connection end operating mode that the present invention can investigate hydraulic jacking tests by straightforward procedure is normal
Whether, thus help accurately to judge that whether stifled some position is at this end.
Specifically, in above-mentioned detection control method, utilize differential manometer, measure and obtain the first valve member pressure reduction △
Pf1 and the second valve member pressure reduction △ Pf2.
Specifically, in the step one of above-mentioned detection control method: after hydraulic jacking tests is reached the first aperture f1,
The parameter that manufacturing enterprise according to hydraulic jacking tests provides obtains the first valve member resistance that the first aperture f1 is corresponding
Kvf1；In step 2: after hydraulic jacking tests is reached the second aperture f2, look forward to according to the production of hydraulic jacking tests
The parameter that industry provides obtains the second valve member resistance Kvf2 that the second aperture f2 is corresponding.At this it should be noted that
Hydraulic jacking tests is a manual modulation valve door, and its valve opening and valve resistance exist solid one to one
Determine relation, record aperture/drag relationship curve, therefore, the production enterprise of hydraulic jacking tests in laboratory
Industry can provide the valve member resistance relevant parameter of valve opening and correspondence thereof.
Specifically, in the step one of above-mentioned detection control method: by the first valve member pressure reduction △ Pf1 and the first valve
Part resistance Kvf1 substitutes into hydrodynamics formula △ Pf1=(Qf1/Kvf1)2, it is calculated the first valve member stream
Amount Qf1；In step 2, the second valve member pressure reduction △ Pf2 and the second valve member resistance Kvf2 is substituted into fluid force
Learn formula △ Pf2=(Qf2/Kvf2)2, it is calculated the second valve member flow Qf2.
During actual production and using, for the ease of practical operation, above-mentioned detection control method includes,
In advance the parameter that the manufacturing enterprise of hydraulic jacking tests provides (is included aperture and the correspondence thereof of hydraulic jacking tests
Valve member resistance, such as, the first corresponding first valve member resistance Kvf1 of aperture f1 of hydraulic jacking tests, waterpower
The second corresponding second valve member resistance Kvf2 of aperture f2 of balanced valve, and other difference of hydraulic jacking tests opens
Degree and valve member resistance) be arranged in software, and the aperture of hydraulic jacking tests and corresponding valve member resistance with
Form presents, such that it is able to i.e. can get the first valve member resistance by software inquiry the first aperture f1
Kvf1, i.e. can get the second valve member resistance Kvf2 by software inquiry the second aperture f2.Further, above-mentioned inspection
Survey in control method, be also to be calculated by software, obtain the first valve member flow Qf1 and the second valve member flow
Qf2。
But be not limited to that this, the first valve member resistance Kvf1, the second valve member resistance Kvf2, the first valve member
Flow Qf1, the acquisition of the second valve member flow Qf2 can have multiple different schemes.Such as, staff can
Carry with so that the valve member resistance of the aperture of hydraulic jacking tests and correspondence thereof is made notes, in order to inquiry
First valve member resistance Kvf1 and the second valve member resistance Kvf2；Such as, staff can be by calculating tractor driver
Dynamic calculating the first valve member flow Qf1 and the second valve member flow Qf2.The first valve member resistance is obtained by software
Kvf1, the second valve member resistance Kvf2, the first valve member flow Qf1 and the second valve member flow Qf2 are the present invention
The preferred version provided, those skilled in the art can also carry out conceptual design according to actual needs, this
Bright to this and be not specifically limited.
Specifically, due to:
(1) hydraulic jacking tests and end thereof are the relations being connected on a road pipeline, i.e. series connection flow is equal,
Thus when measuring for the first time, flow through the first end flow Qm1 of end and flow through the first of hydraulic jacking tests
Flow Qf1 is equal for valve member, when second time is measured, flows through the second end flow Qm2 of end and flows through water
Second valve member flow Qf2 of dynamic balance valve is equal, i.e. Qm1=Qf1, Qm2=Qf2；
(2), when measuring for the first time and measure for the second time, end resistance is constant, is Kvm；
(3) hydraulic jacking tests and end thereof are branch roads in heating system, and the total pressure head of this branch road is (i.e.
The pressure reduction sum △ P of hydraulic jacking tests and end?) constant, when measuring i.e. for the first time and measure for the second time,
The pressure reduction sum of hydraulic jacking tests and end is △ P?。
Thus, according to hydrodynamics formula △ P=(Q/Kv)2, obtain: △ P?=(Qf1/Kvf1)2
+(Qm1/Kvm)2=(Qf2/Kvf2)2+(Qm2/Kvm)2, reasoning obtains △ P?=(Qf1/Kvf1)2
+(Qf1/Kvm)2=(Qf2/Kvf2)2+(Qf2/Kvm)2.(only △ P in formula?It is unknown with Kvm
Number)
Thus, in the step 3 of above-mentioned detection control method, can be according to formula
(Qf1/Kvf1)2+(Qf1/Kvm)2=(Qf2/Kvf2)2+(Qf2/Kvm)2, calculate end resistance Kvm.
It is easily understood that protection scope of the present invention is not limited to that formula, through relevant the appointing of this formula
What derivation formula calculates the technical scheme of end resistance Kvm and belongs to protection scope of the present invention.
Specifically, also include in the step 3 of above-mentioned detection control method: record and store calculating and obtain
End resistance Kvm, as end performance inventory, and as the supplementary notes of design resistance, go out from now on
During existing problem, again measure and obtain new end resistance, compare the actual end Resistance Value of twice, so that it may
To judge whether this end has gone wrong, (the actual end Resistance Value recorded later becomes big, and this end is described
There is blocking in end).
Further, due to the pressure reduction sum △ P of hydraulic jacking tests and end?Constant, such that it is able to pass through
It is calculated this pressure reduction sum △ P?.Specifically, also include in the step 3 of above-mentioned detection control method:
The end resistance Kvm calculated is substituted into formula △ P?=(Qf1/Kvf1)2+(Qf1/Kvm)2Or it is public
Formula △ P?(Qf2/Kvf2)2+(Qf2/Kvm)2, calculate the pressure reduction sum △ P of hydraulic jacking tests and end?.According to the pressure reduction sum △ P tried to achieve?(i.e. branch road total head) size can be made analysis and judge: △ P?Relatively big but bypass flow is not enough, then stifled some position is at hydraulic jacking tests and series connection end place branch road, △
P?Less or normal, then stifled some position is at outer net system or water pump undercapacity.
As fully visible, the present invention can calculated actual end resistance by straightforward procedure and device
Kvm and branch road pressure reduction sum △ P?, thus help accurately to judge stifled some position.Particularly as follows: pass through branch road
Pressure reduction sum △ P?May determine that stifled some position is in outer net system or at branch road, hindered by actual end
Power Kvm may determine that whether stifled some position is at end.
In prior art, during the debugging of hydraulic jacking tests, need to change according to each measurement flow
Become valve opening, be repeated several times and finally give target flow.Visible, can only examination again and again in prior art
Controlling opening of valve, just can be adjusted to needed for target flow close to aperture, process is loaded down with trivial details.
In order to solve this technical problem, in the detection control method that the present invention provides, also include step 4:
Target flow Q is substituted into by formula △ P?
=(Qf1/Kvf1)2+(Qf1/Kvm)2=(Qf2/Kvf2)2+(Qf2/Kvm)2=(Q/Kvf)2+(Q/Kvm)2?
The formula (Qf1/Kvf1) arrived2+(Qf1/Kvm)2=(Q/Kvf)2+(Q/Kvm)2, or formula
(Qf2/Kvf2)2+(Qf2/Kvm)2=(Q/Kvf)2+(Q/Kvm)2, or formula △ P?
=(Q/Kvf)2+(Q/Kvm)2In, the target valve member resistance Kvf needed for target flow Q can be calculated,
Further according to target valve member resistance Kvf, by software checking book, obtain target aperture f that hydraulic jacking tests is corresponding.
Visible, the present invention can calculate close valve opening by straightforward procedure, it is not necessary to each tries to adjust
Joint.
As fully visible, in central heating and central air conditioning water system, long-term employing hydraulic equilibrium valve regulation
The flow of the system end such as Lou Dong, unit or Air Conditioning Facilities, to ensure to reach the comfort level of heating air conditioning.
The present invention can calculate the drag parameter of end object, Yi Jishui during the debugging of hydraulic jacking tests
The pressure reduction sum of dynamic balance valve machine end place branch road, helps to judge that whether normal system condition is and looks into
Look for blocking position.And can be by the valve needed for straightforward procedure regulation hydraulic jacking tests to target flow
Aperture.Moreover it is possible to process data is achieved, in order to the later stage compares supposition.
At this it should be noted that in the detection control method that provides of the present invention, when carrying out measuring for the first time,
After determining the aperture that hydraulic jacking tests is opened, can first inquire about valve member resistance, then measure valve member pressure reduction and calculating
Valve member flow；Can also first measure valve member pressure reduction and calculate valve member flow, then inquiring about valve member resistance.This
Bright to this and be not specifically limited.Second time is measured in like manner.(Fig. 1 is this specifically to refer to Fig. 1 and Fig. 2
Invent hydraulic jacking tests and the flow process detecting control method of series connection end thereof that the first specific embodiment provides
Figure, Fig. 2 is the hydraulic jacking tests that the present invention the second specific embodiment provides and the detection tune connecting end thereof
The flow chart of joint method): in the first specific embodiment, when measuring and measure for the second time for the first time, all
First inquiry valve member resistance, then measure valve member pressure reduction and calculate valve member flow；In second specific embodiment, all
First measure valve member pressure reduction and calculate valve member flow, then inquiring about valve member resistance.
Additionally, present invention also offers a kind of above-mentioned hydraulic jacking tests and the detection regulation side of series connection end thereof
Hydraulic jacking tests that method is corresponding and the detection adjusting means of series connection end thereof, this device includes:
Hydraulic jacking tests and series connection end thereof, hydraulic jacking tests and end are branch roads in heating system,
The total pressure head △ P of this branch road?Constant；
For inquiring about the inquiry unit of the parameter that the manufacturing enterprise of hydraulic jacking tests provides, parameter includes waterpower
The aperture of balanced valve and corresponding valve member resistance；
For measuring the differential manometer of hydraulic jacking tests two ends pressure reduction；
For measuring the flowmeter of the flow flowing through hydraulic jacking tests.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires
Or imply relation or the order that there is any this reality between these entities or operation.And, art
Language " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, thus
Make to include that the process of a series of key element, method, article or equipment not only include those key elements, and
Also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that person's equipment is intrinsic.In the case of there is no more restriction, by statement " including ... "
The key element limited, it is not excluded that also deposit in including the process of described key element, method, article or equipment
At other identical element.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a hydraulic jacking tests and series connection end detection control method, it is characterised in that include with
Lower step:
Step one: measure for the first time, hydraulic jacking tests is reached the first aperture f1, opens according to described first
Degree f1 obtains the first valve member resistance Kvf1 that described hydraulic jacking tests is corresponding, measures and obtains described hydraulic equilibrium
First valve member pressure reduction △ Pf1 of valve both sides, according to described first valve member pressure reduction △ Pf1 and described first valve member
Resistance Kvf1, is calculated the first valve member flow Qf1 flowing through described hydraulic jacking tests；
Step 2: second time is measured, adjusts described hydraulic jacking tests to the second aperture f2, according to described the
Two apertures f2 obtain the second corresponding valve member resistance Kvf2 of described hydraulic jacking tests, measure and obtain described water
The second valve member pressure reduction △ Pf2 at dynamic balance valve two ends, according to described second valve member pressure reduction △ Pf2 and described
Two valve member resistance Kvf2, are calculated the second valve member flow Qf2 flowing through described hydraulic jacking tests；
Step 3: calculate end resistance Kvm.
Detection control method the most according to claim 1, it is characterised in that in described step 3:
According to formula (Qf1/Kvf1)2+(Qf1/Kvm)2=(Qf2/Kvf2)2+(Qf2/Kvm)2, calculate described end
End resistance Kvm.
Detection control method the most according to claim 1, it is characterised in that in described step 3 also
Including: record and/or store described end resistance Kvm.
Detection control method the most according to claim 1, it is characterised in that in described step 3 also
Including:
According to formula △ P?=(Qf1/Kvf1)2+(Qf1/Kvm)2=(Qf2/Kvf2)2+(Qf2/Kvm)2, or
Formula △ P?=(Qf2/Kvf2)2+(Qf2/Kvm)2, or formula △ P?=(Qf2/Kvf2)2+(Qf2/Kvm)2,
Calculate the pressure reduction sum △ P of described hydraulic jacking tests and described end?。
Detection control method the most according to claim 1, it is characterised in that also include step 4:
Target flow Q is substituted into formula (Qf1/Kvf1)2+(Qf1/Kvm)2=(Q/Kvf)2+(Q/Kvm)2, or public
Formula (Qf2/Kvf2)2+(Qf2/Kvm)2=(Q/Kvf)2+(Q/Kvm)2In, calculate described target flow Q
Required target valve member resistance Kvf, obtains described hydraulic jacking tests further according to described target valve member resistance Kvf
Corresponding target aperture f.
Detection control method the most according to claim 1, it is characterised in that utilize differential manometer, surveys
Measure described first valve member pressure reduction △ Pf1 and described second valve member pressure reduction △ Pf2.
Detection control method the most according to claim 1, it is characterised in that in described step one:
After described hydraulic jacking tests is reached described first aperture f1, according to the manufacturing enterprise of described hydraulic jacking tests
The parameter provided obtains the described first valve member resistance Kvf1 that described first aperture f1 is corresponding；
In described step 2: after described hydraulic jacking tests is reached described second aperture f2, according to described waterpower
The described parameter that the manufacturing enterprise of balanced valve provides obtains described second valve member that described second aperture f2 is corresponding
Resistance Kvf2.
Detection control method the most according to claim 1, it is characterised in that in described step one,
Described first valve member pressure reduction △ Pf1 and described first valve member resistance Kvf1 is substituted into hydrodynamics formula △
Pf1=(Qf1/Kvf1)2, it is calculated described first valve member flow Qf1；
In described step 2, by described second valve member pressure reduction △ Pf2 and described second valve member resistance Kvf2 generation
Enter hydrodynamics formula △ Pf2=(Qf2/Kvf2)2, it is calculated described second valve member flow Qf2.
9. according to the detection control method described in any one of claim 1-8, it is characterised in that by soft
Part inquires about the parameter that the manufacturing enterprise of described hydraulic jacking tests provides, and obtains described first valve member resistance Kvf1
With described second valve member resistance Kvf2；Further, calculated by software, obtain described first valve member flow Qf1
With described second valve member flow Qf2.
10. a hydraulic jacking tests and the detection adjusting means of series connection end thereof, it is characterised in that including:
Hydraulic jacking tests and series connection end thereof, described hydraulic jacking tests and described end are in heating system
One branch road, the total pressure head △ P of this branch road?Constant；
For inquiring about the inquiry unit of the parameter that the manufacturing enterprise of described hydraulic jacking tests provides, described parameter
Aperture and corresponding valve member resistance including described hydraulic jacking tests；
For measuring the differential manometer of described hydraulic jacking tests two ends pressure reduction；
For measuring the flowmeter of the flow flowing through described hydraulic jacking tests.
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| CN201610225058.5A CN105865543A (en) | 2016-04-12 | 2016-04-12 | Hydraulic balance valve, detection adjusting method of serial-connection tail end thereof and detection adjusting device |
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| CN201610225058.5A CN105865543A (en) | 2016-04-12 | 2016-04-12 | Hydraulic balance valve, detection adjusting method of serial-connection tail end thereof and detection adjusting device |
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Cited By (2)
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| CN110529654A (en) * | 2019-08-05 | 2019-12-03 | 广东芬尼克兹节能设备有限公司 | A kind of flow two-port valve control method, device, storage medium and terminal device |
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