CN109682435A - Pressure volume modification method, electronic equipment and storage medium - Google Patents
Pressure volume modification method, electronic equipment and storage medium Download PDFInfo
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- CN109682435A CN109682435A CN201910049902.7A CN201910049902A CN109682435A CN 109682435 A CN109682435 A CN 109682435A CN 201910049902 A CN201910049902 A CN 201910049902A CN 109682435 A CN109682435 A CN 109682435A
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- modifying factor
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- atmospheric pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
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Abstract
The embodiment of the present invention provides a kind of pressure volume modification method, electronic equipment and storage medium, this method comprises: obtaining the metered volume in the operating condition that gas meter, flow meter measures；The first modifying factor is calculated according to absolute operating pressures, wherein the absolute operating pressures are the sum of infield atmospheric pressure and opposite operating pressure；Volume correction value is calculated according to the metered volume, first modifying factor.Targetedly the metered volume of gas meter, flow meter measurement can be modified with this, solve the problems, such as that measuring state pressure deviates reference pressure.
Description
Technical field
The present invention relates to gas dosing fields, in particular to a kind of pressure volume modification method, electronic equipment and deposit
Storage media.
Background technique
For the fuel gas such as natural gas, the volume in different regions may be different.Existing domestic gas meter
It when carrying out gas dosing, is had differences between the volume under volume and the status of criterion under working condition, combustion gas seller and combustion
Dispute is easy to appear between gas user.
Existing control measures are to plan as a whole to realize by policy to coordinate, and only give control, Wu Facong in pricing practice link
Technological layer realizes fair gas supply.
Summary of the invention
In view of this, the embodiment of the present invention is designed to provide a kind of pressure volume modification method, electronic equipment and deposits
Storage media is modified with the volume measured to gas meter, flow meter end, promotes fair gas supply from technological means.
In a first aspect, the embodiment of the present invention provides a kind of pressure volume modification method, which comprises
Obtain the metered volume in the operating condition that gas meter, flow meter measures；
The first modifying factor is calculated according to absolute operating pressures, wherein the absolute operating pressures are infield atmosphere
The sum of pressure and opposite operating pressure；
Volume correction value is calculated according to the metered volume, first modifying factor.
By the above method, the metered volume and absolute operating pressures that gas meter, flow meter end actual measurement arrives, and root are obtained first
The first modifying factor, calculated first modifying factor pair are calculated according to the true absolute operating pressures under gas field scape
The metered volume measured is modified, and obtains volume correction value.Metered volume at gas meter, flow meter end can be modified with this,
The amendment volume with reference value is converted by the metered volume that gas meter, flow meter end measures, for combustion gas seller and combustion gas
For user, gas supply can be promoted fair, solve to deviate reference pressure (under the status of criterion as defined in China as measurement pressure
Pressure) the problem of bringing, combustion gas justice of exchange is safeguarded with technological means.
It is with reference to first aspect, described to calculate the first modifying factor according to absolute operating pressures in a kind of possible design,
Include:
The infield atmospheric pressure in the gas meter, flow meter location is obtained, and atmosphere is calculated according to the infield atmospheric pressure
Press modifying factor；
The opposite operating pressure that the gas meter, flow meter measures is obtained, and opposite operation is calculated according to the opposite operating pressure
The pressure correction factor；
The first modifying factor is calculated according to the atmospheric pressure modifying factor and the opposite operating pressure modifying factor.
By the above method, absolute operating pressures can be divided into infield atmospheric pressure and opposite operating pressure,
On the basis of this, a kind of mode for calculating the first modifying factor is given.Wherein, absolute operating pressures indicate what gas meter, flow meter measured
Operation absolute pressure in the operating condition, operation absolute pressure is pressure related with actual combustion gas service condition, can also
To be known as the absolute pressure that works, which can be measured by absolute pressure transducer, and absolute pressure is in number
It is equal to the sum of infield atmospheric pressure and operation relative pressure in value.
With reference to first aspect, in a kind of possible design, the atmospheric pressure modifying factor is obtained by following calculation mode
It arrives:
Wherein, the γairIndicate the atmospheric pressure modifying factor, the pairIndicate the infield atmospheric pressure, institute
State pbIndicate standard atmospheric pressure.
The above method gives a kind of mode for calculating atmospheric pressure modifying factor, and calculation is simple, for participating in calculating
Parameters, acquisition modes are simple, and the exploitativeness of entire method is strong.
With reference to first aspect, in a kind of possible design, the atmospheric pressure modifying factor is obtained by following calculation mode
It arrives:
γair=γairbase-γh；
Wherein, the γairIndicate the atmospheric pressure modifying factor, the γairbaseIndicate local height above sea level altitude datum
Atmospheric pressure correction factor, γhIndicate infield elevation correction factor.
The above method gives another mode for calculating atmospheric pressure modifying factor, and calculation is simple, for participating in counting
The parameters of calculation, acquisition modes are simple, and the exploitativeness of entire method is strong.
With reference to first aspect, in a kind of possible design, the opposite operating pressure modifying factor passes through following calculation
Mode obtains:
Wherein, the γopIndicate the opposite operating pressure modifying factor, the popIndicate opposite operating pressure value, institute
State pbIndicate standard atmospheric pressure.
The above method gives a kind of mode for calculating opposite operating pressure modifying factor, and calculation is simple, for ginseng
With the parameters of calculating, acquisition modes are simple, and the exploitativeness of entire method is strong.
It is with reference to first aspect, described to calculate the first modifying factor according to absolute operating pressures in a kind of possible design,
Include:
The absolute operating pressures that the gas meter, flow meter measures are obtained, and calculate the first amendment according to the absolute operating pressures
The factor, wherein first modifying factor is obtained by following calculation mode:
Wherein, the γ indicates first modifying factor, the pAopIndicate the absolute operating pressures, the pbTable
Show standard atmospheric pressure.
The above method gives another mode for calculating the first modifying factor, can directly utilize the gas meter, flow meter measured
Operation absolute pressure metered volume is modified.
With reference to first aspect, in a kind of possible design, the metered volume is to obtain after the amendment of temperature volume
Volume.
Such mode defines the acquisition modes of metered volume, if for by the revised volume of temperature volume again into
The amendment of row volume, correction result are more reliable.
With reference to first aspect, in a kind of possible design, the method also includes:
Obtain access account, access password；
Judge whether the access account has permission to the gas meter, flow meter according to the access account, the access password
Control panel is configured；
If so, response operates the setting of the control panel, the setting instruction in the setting operation is executed, and will
The setting instruction is sent to and the associated user terminal of the gas meter, flow meter.
By the above method can limit for gas meter, flow meter use, setting permission, set when about the certain of gas meter, flow meter
When setting item and being modified, user can check modification situation by user terminal.Certainly, these modification contents can also be sent to
With the associated server of gas meter, flow meter so that combustion gas seller can check modification situation.
With reference to first aspect, in a kind of possible design, the method also includes:
The metered volume, the volume correction value are shown on the display panel of the gas meter, flow meter.
For the volume correction value being calculated, may be displayed on the display panel of gas meter, flow meter, be conducive to user or
Meter reading personnel checks that volume corrects situation.
Second aspect, the embodiment of the present invention also provide a kind of pressure volume correcting device, and described device includes:
First obtains module, and the metered volume in the operating condition measured for obtaining gas meter, flow meter is also used to obtain
Absolute operating pressures, wherein the absolute operating pressures are the sum of infield atmospheric pressure and opposite operating pressure；
First computing module, for calculating the first modifying factor according to the absolute operating pressures；
Corrected Calculation module, for calculating volume correction value according to the metered volume, first modifying factor.
It is able to carry out each step for the method that above-mentioned first aspect provides by above-mentioned apparatus, promotes gas supply fair.
The third aspect, the embodiment of the present invention also provide a kind of electronic equipment, and the gas meter, flow meter includes:
Memory；
Processor；
The memory is used to store the program for supporting processor to execute above-mentioned first aspect the method, the processor
It is configurable for executing the program stored in the memory.
Fourth aspect, the embodiment of the present invention provide a kind of storage medium, are stored with computer program on the storage medium,
The computer program executes method described in above-mentioned first aspect when being run by processor.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, special embodiment below, and appended by cooperation
Attached drawing is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram of electronic equipment provided in an embodiment of the present invention.
Fig. 2 is the flow chart of pressure volume modification method provided in an embodiment of the present invention.
Fig. 3 is the partial process view of pressure volume modification method provided in an embodiment of the present invention.
Fig. 4 is the functional block diagram of pressure volume correcting device provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Applicant thinks after study, if various regions temperature and pressure status is considered as a whole, only in pricing link
It pays attention to, it is more extensive, it cannot precisely realize fair gas supply, be easy to cause Trade Measures dispute.If being a lack of pressure correction,
Pressure in high altitude localities much deviates combustion gas transaction reference pressure, is unfair, and closes in combustion gas operating pressure high field,
It needs to carry out pressure correction.
Therefore, applicant provide following embodiments to solve the above problems.With reference to the accompanying drawing, to the embodiment of the present application
It elaborates.In the absence of conflict, the feature in following embodiment and embodiment can be combined with each other.
As shown in Figure 1, be the schematic diagram of electronic equipment 100 provided in an embodiment of the present invention, which can be with
Multiple gas meter, flow meter communication connections.Electronic equipment 100 includes processor 110 and memory 120, is stored with meter in memory 120
The readable instruction fetch of calculation machine can execute the embodiment of the present invention and mention when these computer-readable instruction fetch are executed by processor 110
Each step in the pressure volume modification method of confession.The electronic equipment 100 can receive the data content sent by gas meter, flow meter,
It, can be by amendment knot that corrected Calculation obtains after electronic equipment 100 is modified calculating according to the data content that gas meter, flow meter is sent
Fruit feeds back to gas meter, flow meter, so that gas meter, flow meter shows correction result.
In order to realize above content, electronic equipment 100 can also include network unit 130.Memory 120, processor
110, it can be directly or indirectly electrically connected between network unit 130, to realize data interaction or transmission.Such as these
Element can be realized by one or more communication bus or signal wire be electrically connected between each other.
Optionally, memory 120 may be, but not limited to, random access memory, read-only memory, may be programmed read-only
Memory, Erasable Programmable Read Only Memory EPROM, electrically erasable programmable read-only memory etc..In the present embodiment, memory
120 can be used for storing the measurement result of gas meter, flow meter transmission, the metered volume and pressure value that each gas meter, flow meter measures.When
So, memory 120 can be also used for storage program, and processor 110 executes the program after receiving and executing instruction.
Optionally, processor 110 can be central processing unit (Central Processing Unit, CPU), at network
Manage device (Network Processor, NP) etc.；Can also be digital signal processor (DSP), specific integrated circuit (ASIC),
Field programmable gate array (FPGA) or other programmable logic device, discreet logic device, discrete hardware components.It can be real
Now or execute the embodiment of the present application in disclosed each method, step and logic diagram.
For network unit 130 for receiving and transmitting network signal, network signal may include wireless signal or wired
Signal.The network unit 130 can establish network connection with multiple gas meter, flow meters respectively, so that electronic equipment 100 can be with combustion gas
Table interacts.
It will appreciated by the skilled person that structure shown in FIG. 1 is only to illustrate, electronic equipment 100 may also include
The more perhaps less structure or with the structure different from shown in Fig. 1 than shown in Fig. 1.
First embodiment
Referring to Fig. 2, being the flow chart of pressure volume modification method provided in an embodiment of the present invention.Pressure volume amendment
Method can be executed by the electronic equipment communicated to connect with gas meter, flow meter, directly can also directly be executed by gas meter, flow meter.It below will be right
Detailed process shown in Fig. 2 is described in detail.
S210: the metered volume in the operating condition that gas meter, flow meter measures is obtained.
Wherein, metered volume indicates the volume before amendment.It can be according to user for the service condition of combustion gas, metered volume
Value can directly be measured by gas meter, flow meter, for example, it may be the bulking value shown on existing gas meter, flow meter.
S220: the first modifying factor is calculated according to absolute operating pressures, wherein the absolute operating pressures are infields
The sum of atmospheric pressure and opposite operating pressure.Wherein, infield is referred to as locality, refers to gas meter, flow meter infield.One
In kind embodiment, before calculating the first modifying factor, need first to obtain absolute operating pressures (or operation absolute pressure),
Operating absolute pressure indicates the absolute pressure value of combustion gas in gas meter, flow meter, is also equal to the local atmospheric pressure value measured and opposite pressure
The sum of force value.In an example, operation absolute pressure value can be measured by being built in the absolute pressure transducer of gas meter, flow meter,
And it can be shown on the display of gas meter, flow meter.In another example, operation absolute pressure value passes through indirect survey calculation
Obtain, by measure gas meter, flow meter location infield atmospheric pressure and gas meter, flow meter measure opposite operating pressure (or
Operation relative pressure) after be calculated.
Wherein, the first modifying factor, can during calculating first modifying factor for being modified to metered volume
The value of infield atmospheric pressure and the value of practical operation relative pressure can be used.Operate relative pressure it is to be understood that with
Family uses the process of combustion gas, based on gas appliance burn feasibility and stability needs and the combustion gas relative pressure that sets, behaviour
The presence for making relative pressure enables to combustion gas still to be able to normal combustion after the gas appliances such as kitchen range, water heater, boiler, and
Stablize burning, ensures quality of filling gas.The value for operating relative pressure can be by being arranged in gas pipeline or gas meter, flow meter end
Relative pressure sensor is directly measured and is obtained.The value of infield atmospheric pressure can by being calculated again after tabling look-up,
It can be measured by being exclusively used in the air pressure detection meter (or barometric pressure sensor) of measurement atmospheric pressure.
S230: volume correction value is calculated according to metered volume, the first modifying factor.
Wherein it is possible to be to obtain volume correction value multiplied by the first modifying factor using metered volume, to sum up calculating public
Formula such as following formula (1).
Vc=Vm×γ (1)
In formula (1), VcIndicate volume correction value, VmIndicate metered volume, γ indicates the first modifying factor.
By the above method, the metered volume that gas meter, flow meter end actual measurement arrives is obtained first, uses gas field further according to true
Scape calculates the first modifying factor, and calculated first modifying factor is modified the metered volume measured, obtains
Volume correction value.Metered volume at gas meter, flow meter end can be modified with this, the metered volume that gas meter, flow meter end is measured turns
The amendment volume with reference value is turned to, for combustion gas seller and combustion gas user, gas supply can be promoted fair.
This is because entire gas supply link can be divided into two stages, first stage is combustion gas seller from combustion gas provider
Combustion gas is bought with volume, the price under the status of criterion, so that combustion gas seller possesses combustion gas；Second stage is combustion gas sale
Combustion gas user in direction provides combustion gas, this stage is also exactly easy to appear the stage of dispute.By each combustion gas user institute
Region scene it is different, respectively have any different for the degree of influence of the gas of same status of criterion volume, if combustion gas provider
The gas of same volume is provided to multiple combustion gas users, and each gas meter, flow meter for being located at each combustion gas user region is surveyed
The metered volume measured is different (to be deviateed under the status of criterion because metered volume may be subjected to the influence of practical application scene
Volume), be all likely to result in loss whether for combustion gas user or combustion gas seller.Pass through above-mentioned first aspect
The problem of method is able to solve gas meter, flow meter end metering pressure after being modified to metered volume deviates reference pressure, promote gas supply
It is fair.
For example, combustion gas seller each provides under the status of criterion to user X, user Y, the user Z of three different regions
Volume is the gas quantity of A, if not being modified using the above method, possible user X, user Y, user Z corresponding three
The metered volume that a gas meter, flow meter measures may be that A1, A2, A3 can when collecting combustion gas expense to user X, user Y, user Z
Can be charged respectively to volume for three kinds of gas consumptions of A1, A2, A3 with the unit price under the status of criterion, it is clear that this is unreasonable
's.And if using above-mentioned pressure volume modification method provided in this embodiment after, can be A1, A2, A3 to pressure volume
Three kinds of gas consumptions are modified respectively, obtain three revised volumes, and revised three volumes can be used as reference volume,
Using identical basis of reference.It solves to deviate reference pressure or combustion gas operation relative pressure mistake due to the metered volume measured
Drawback is measured caused by height, it is fair with gas between combustion gas seller and combustion gas user to promote.
In addition to above-mentioned technical effect, above method can also provide manager Precision management, fair air lift for technology
It supports, no matter it is to do other controlled atmosphere degree or economic control that manager is subsequent, technical support can be accessed.
In the present embodiment, referring to Fig. 3, above-mentioned S220 may include following sub-step: S221-S223.
S221: the infield atmospheric pressure in gas meter, flow meter location is obtained, and atmospheric pressure is calculated according to infield atmospheric pressure
Modifying factor.
As an implementation, infield atmospheric pressure can directly measure to obtain.In an example, atmospheric pressure is repaired
Positive divisor is obtained by following calculation mode:
In formula (2), γairIndicate atmospheric pressure modifying factor, pairIt indicates infield atmospheric pressure, is gas meter, flow meter installation place
Local BAP Barometric Absolute Pressure, pbIndicate transaction reference pressure, it may be possible to a standard atmospheric pressure.A kind of calculate greatly is given with this
The mode of air pressure modifying factor, calculation is simple, for the parameters p for participating in calculatingair、pb, acquisition modes are simple, when
Ground atmospheric pressure pairIt can directly measure to obtain, the exploitativeness of entire method is strong.
It should be noted that for the reference pressure p that tradesb, can be combustion gas and trade pressure used, usually by certain
The value decided through consultation between value or transaction two countries as defined in one national national legislation, China's pressure are 101325Pa, i.e. 1 normal atmosphere
Pressure.
As another embodiment, the acquisition of infield atmospheric pressure can in conjunction with height above sea level altitude datum atmospheric pressure and
Some data relevant to elevation are calculated to obtain.In an example, atmospheric pressure modifying factor passes through following calculation side
Formula obtains:
γair=γairbase-γh (3)
In formula (3), γairIndicate atmospheric pressure modifying factor, γairbaseIndicate that the atmospheric pressure of local height above sea level altitude datum is repaired
Positive coefficient, γhIndicate infield elevation correction factor.
For the γ in formula (3)airbase, calculation may refer to following formula (4).
In formula (4), pairbaseIndicate local height above sea level altitude datum atmospheric pressure.
For the γ in formula (3)h, in an example,γhCalculation can be with
Referring to following formula (5).
About formula (5), in an example, local atmospheric densityIt can basisIt is derived from.Wherein, MairIndicate the molecular weight of air, 28.88 × 10-3kg/mol；R is that gas is pervasive often
Number, 8.3144J/ (molK).H indicates the elevation of gas meter, flow meter infield, is worth for the local height above sea level base of gas meter, flow meter installation point distance
Quasi- height, g indicate local gravitational acceleration.TairThe environment temperature for indicating infield, can pass through temperature sensor measurement
It obtains.Pressure caused by the elevation of infield is subtracted since infield atmospheric pressure is equal to local height above sea level altitude datum atmospheric pressure
Change (such as formula (3)), and elevation with local height above sea level benchmark be 0 point, be upwards positive value, be downwards negative value.In an example, when
Infield elevation is timing, γhPositive sign is taken, the atmospheric pressure that atmospheric pressure modifying factor is less than local height above sea level altitude datum corrects system
Number；When infield, elevation is negative, γhNegative sign is taken, atmospheric pressure modifying factor is higher than the atmospheric pressure of local height above sea level altitude datum
Correction factor.
It should be noted that the pressure value in above-mentioned any formula can be measured by pressure sensor, such as can be with
The combustion gas operation relative pressure in gas meter, flow meter or in gas pipeline is measured using a kind of pressure sensor, using another pressure
Sensor measures infield atmospheric pressure；It can also absolutely be operated using absolute pressure transducer measurement is installed in gas meter, flow meter
Pressure (is equal to infield atmospheric pressure+aforementioned opposite operating pressure), is obtained with this absolute operating pressures divided by transaction reference pressure
To the first modifying factor.
In order to support formula (4), the formula (5) in above embodiment, it can establish in advance or database is set, for depositing
The benchmark acceleration of gravity of various regions height above sea level altitude datum atmospheric pressure and various regions is stored up, which can use legality measurement parameter
It is calibrated in library.
The above two calculation for calculating atmospheric pressure modifying factor is simple, for the parameters for participating in calculating, obtains
Mode is simple, and the exploitativeness of entire method is strong.
S222: the operation relative pressure that gas meter, flow meter measures is obtained, and opposite operation pressure is calculated according to operation relative pressure
Power modifying factor.
In an example, with reference to first aspect, in a kind of possible design, opposite operating pressure modifying factor passes through
Following calculation mode obtains, and refers to formula (6)
In formula (6), γopIndicate opposite operating pressure modifying factor；popIt indicates opposite operating pressure, pressure can be passed through
Sensor measurement obtains.In such a way that this gives a kind of calculating operation pressure correction factor, calculation is simple, for participating in
The acquisition modes of the parameters of calculating are simple, and the exploitativeness of entire method is strong.
It should be noted that the sequence between above-mentioned S221, S222 can exchange, the execution sequence of the two be should not be construed as
Limitation of the present invention.S223 can be executed after obtaining atmospheric pressure modifying factor, operating pressure modifying factor.
S223: the first modifying factor is calculated according to atmospheric pressure modifying factor and opposite operating pressure modifying factor.
As an implementation, atmospheric pressure modifying factor can be added to obtain with opposite operating pressure modifying factor the
One modifying factor.In such a way that this provides a kind of the first modifying factor of calculating, for be calculated atmospheric pressure modifying factor,
The two is added to obtain the first modifying factor by operating pressure modifying factor.In a kind of possible situation, the two can be according to pre-
If weight be added to obtain the first modifying factor.
Formula (7) are referred to for the calculation expression of the first modifying factor.
γ=γair+γop (7)
By the above method can in terms of infield atmospheric pressure, opposite operating pressure two because usually to metered volume into
Row amendment, specifies and participates in modified factor, and the modifying factor about atmospheric pressure is calculated by measuring infield atmospheric pressure
Son, also by the opposite operating pressure at measurement gas meter, flow meter end calculate with respect to the related modifying factor of operating pressure, in conjunction with this two
Aspect modifying factor determines final participation modified first modifying factor of volume.
Optionally, above-mentioned steps S220 can also be achieved: obtain the absolute operating pressures that gas meter, flow meter measures, and root
The first modifying factor is calculated according to absolute operating pressures, formula (8) are referred to for the calculation expression of the first modifying factor
Wherein, pAopIndicate absolute operating pressures.With this first modifying factor directly can be calculated according to absolute operating pressures
Son calculates more convenient without still further reading infield atmospheric value, opposite operating pressure value.
It should be noted that in order to ensure (such as any ginseng in formula (1)-formula (8) of all parameters in the above method
Number) reliability can lock modification approach in input preset parameter or after importing database, can also be to for recording
The database of all calculating process or all parameters for participating in calculating carries out seal, and seal means can be electronic seal,
It can be physics seal, thereby protect the measuring parameter in database.If being desirable to check or modify database, need to apply
It is authorized.
Optionally, the metered volume in above-mentioned arbitrary steps is directly obtained by general gas meter, flow meter measurement in addition to can be
Volume, can also be the obtained volume after the amendment of temperature volume.
If correction result will be more reliable for carrying out volume amendment again by the revised volume of temperature volume.For
Preferably the volume at gas meter, flow meter end is modified, can be surveyed using the gas meter, flow meter with temperature volume debugging functions
Then amount carries out pressure correction to by the volume of temperature adjustmemt using above-mentioned pressure volume modification method.
It should not be construed as limiting the invention it should be noted that whether metered volume passes through the amendment of temperature volume, only
It wants that pressure correction can be carried out to metered volume.
It optionally, can be by the metered volume of gas meter, flow meter, amendment after obtaining the volume correction value after pressure correction
Volume correction value afterwards is shown on the display panel of gas meter, flow meter.Be conducive to user with this or meter reading personnel checks that volume is corrected
Situation.On display panel other than it can show correction result, unit price, remaining sum, the information such as generation expense can also be shown.
Optionally, in the present embodiment, if there is visitor's login account to be intended to carry out operation setting, above-mentioned side to gas meter, flow meter
Method further include: obtain access account, access password；Judge whether access account has permission pair according to access account, access password
The control panel of gas meter, flow meter is configured；If so, response operates the setting of control panel, the setting in setting operation is executed
Instruction, and setting instruction is sent to and the associated user terminal of gas meter, flow meter.
These operational orders may be to modify certain parameters in the database of seal, it may be possible in order to so as to
New calibration cycle carries out authorization calibration to measurement instrument, or carries out reasonable repairing school to measurement instrument in calibration cycle
It is quasi-.
By the above method can limit for gas meter, flow meter use, setting permission, set when about the certain of gas meter, flow meter
When setting item and being modified, user can check modification situation by user terminal.Certainly, these modification contents can also be sent to
With the associated server of gas meter, flow meter so that combustion gas seller can check modification situation.
It will summarize below to the above method, in general, if being not directly measured absolute operating pressures, amendment side
There are two types of formulas: direct method, elevation revised law.
For direct method, directly with the local atmospheric pressure p measuredairIt participates in calculating, in conjunction with actual transaction reference pressure pb
It is calculated to be modified to gas meter, flow meter end atmospheric pressure, is obtainedFirst modifying factor γ=γ at this timeair+
γop.Correspondingly, volume correction value Vc=Vm×(γair+γop)。
For elevation revised law, local height above sea level altitude datum atmospheric pressure p is utilizedairbaseGas meter, flow meter end atmospheric pressure is repaired
Just, wherein needing to introduce elevation correction factor γh.Obtain γair=γairbase-γh.The first modifying factor γ at this time=
γairbase-γh+γop.Correspondingly, volume correction value Vc=Vm×(γairbase-γh+γop)。
It will illustrate makeover process and correction effect below with three examples.
First example: in Tibet somewhere D1, local reference atmosphere pressure is 0.75atm (75993.75Pa), elevation 0,
Operating pressure 3kPa, local temperature are 0 DEG C, and the metered volume under gas meter, flow meter measuring condition is 100m3, then the first modifying factor
Are as follows:
γ=γairbase-γh+γop=0.75+0+3000/101325=0.7796
The revised amendment bulking value of tolerance are as follows:
Vc=Vm×(γairbase-γh+γop)=100 × 0.7796=77.96m3。
This just accurately realizes fair metering, and the price adjustment than currently used non-technical means, which has more, to be directed to
Property.
Second example: in coastal somewhere D2, local reference atmosphere pressure is 1.01atm (102338.25Pa), elevation 0,
Operating pressure 5kPa, local temperature are 20 DEG C, and the metered volume under gas meter, flow meter measuring condition is 100m3, then the first modifying factor
Are as follows:
γ=γairbase-γh+γop=1.01-0+5000/101325=1.0593
The revised amendment bulking value of tolerance are as follows:
Vc=Vm×(γairbase-γh+γop)=100 × 1.0593=105.93m3
This just accurately realizes fair metering, and the price adjustment than currently used non-technical means, which has more, to be directed to
Property.
Third example: in coastal somewhere skyscraper layer D3, local reference atmosphere pressure is 1.00atm
(101325Pa), elevation are 400 meters, operating pressure 5kPa, and local temperature is 20 DEG C, the metered volume under gas meter, flow meter measuring condition
For 100m3, then the first modifying factor are as follows:
γ=γairbase-γh+γop
=(pairbase/101325-3.428×10-8ghpair/Tair+pop/101325)
=(1-0.04647+0.04935)=1.00288
The revised amendment bulking value of tolerance are as follows:
Vc=Vm×(γairbase-γh+γop)=100 × 1.00288=100.29m3
This just accurately realizes fair metering, and the price adjustment than currently used non-technical means, which has more, to be directed to
Property.
All of above pressure volume modification method can cooperate temperature adjustmemt structure or temperature adjustmemt method, become house jointly
With the basis of combustion gas justice measurement technology.
Several Application Scenarios-Examples are described below.
The first, common situation, for when combustion gas operating pressure, infield atmospheric pressure, infield elevation all
The case where changing: it needs that pressure sensor, measurement operating pressure, local atmospheric pressure is arranged at gas meter, flow meter end；Or it is built-in
Barometric pressure parameters library, the difference in height parameter of the local height above sea level benchmark of setting infield distance, first calculates separately atmospheric pressure modifying factor
Son, operating pressure modifying factor, then the first modifying factor is calculated, amendment measuring condition is gone based on calculated first modifying factor
Under metered volume.
Second, special circumstances, in the case where combustion gas operating pressure is controlled by gas supply side completely, operating pressure volume is repaired
Positive divisor becomes constant, it is only necessary to increase constant term on the basis of atmospheric pressure modifying factor (having carried out elevation amendment)
The first modifying factor is obtained, the metered volume under measuring condition is modified.
The third, special circumstances, in the situation known to the atmospheric pressure (having carried out elevation amendment) at gas meter, flow meter end, atmospheric pressure
Modifying factor becomes constant, it is only necessary to increase constant on the basis of operating pressure modifying factor, the first modifying factor can be obtained
Son is modified the metered volume under measuring condition.
4th kind, special circumstances, at gas meter, flow meter end, atmospheric pressure (having carried out elevation amendment), operating pressure are constant feelings
Under condition, the first modifying factor of available fixation is modified metered volume.
In conclusion above-mentioned pressure volume modification method can repair the metered volume under the measuring condition of gas meter, flow meter end
Just, solve the problems, such as that metered volume deviates pressure volume, it is fair with gas to promote, and can become jointly domestic gas with temperature adjustmemt
The basis of fair measurement technology.
Second embodiment
Second aspect, the embodiment of the present invention also provide a kind of pressure volume correcting device 300, which can store one
In a memory.Referring to Fig. 4, pressure volume correcting device 300 include: the first acquisition module 310, the first computing module 320,
Corrected Calculation module 330.
First obtains module 310, and the metered volume in the operating condition measured for obtaining gas meter, flow meter is also used to obtain
Take absolute operating pressures, wherein the absolute operating pressures are the sum of infield atmospheric pressure and opposite operating pressure.
First computing module 320, for calculating the first modifying factor according to the absolute operating pressures.
Corrected Calculation module 330, for calculating volume correction value according to the metered volume, first modifying factor.
It is able to carry out each step for the method that above-mentioned first aspect provides by above-mentioned apparatus, promotes gas supply fair.
Above-mentioned first computing module 320 includes the first computational submodule, the second computational submodule, third computational submodule.
First computational submodule calculates atmospheric pressure modifying factor for obtaining infield atmospheric pressure, and according to infield atmospheric pressure；
Second computational submodule is used to obtain the operating pressure that the gas meter, flow meter measures, and according to the operating pressure calculating operation pressure
Power modifying factor；Third computational submodule is based on according to the atmospheric pressure modifying factor and the operating pressure modifying factor
Calculate the first modifying factor.
The other details of the device described in the present embodiment are related please further refer to previous embodiment the method
Details, details are not described herein.
In addition to the embodiments described above, the embodiment of the present invention also provides a kind of storage medium, and meter is stored on storage medium
Calculation machine program executes each step in previous embodiment the method when the computer program is run by processor.
In conclusion pressure volume modification method, electronic equipment and storage medium provided in an embodiment of the present invention can be right
The metered volume of gas meter, flow meter end measurement is modified, and solves to deviate the drawbacks of pressure volume is brought, Neng Gouyu due to metered volume
Temperature adjustmemt becomes the fair technical foundation of domestic gas metering jointly, provides technical support.
Each functional module in each embodiment of the present invention can integrate one independent part of formation together, can also
To be modules individualism, an independent part can also be integrated to form with two or more modules.The function
If in the form of software function module realize and when sold or used as an independent product, can store in a computer
In read/write memory medium.Based on this understanding, technical solution of the present invention substantially makes tribute to the prior art in other words
The part offered or the part of the technical solution can be embodied in the form of software products, computer software product storage
In one storage medium, including some instructions are used so that computer equipment (can be personal computer, server,
Or network equipment etc.) perform all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned
It include: the various media that can store program code such as USB flash disk, mobile hard disk, memory.
The terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that packet
The process, method, article or equipment for including a series of elements not only includes those elements, but also including being not explicitly listed
Other element, or further include for elements inherent to such a process, method, article, or device.Do not limiting more
In the case where, the element that is limited by sentence "including a ...", it is not excluded that including process, method, the object of the element
There is also other identical elements in product or equipment.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of pressure volume modification method, which is characterized in that the described method includes:
Obtain the metered volume in the operating condition that gas meter, flow meter measures；
Calculate the first modifying factor according to absolute operating pressures, wherein the absolute operating pressures be infield atmospheric pressure with
The sum of opposite operating pressure；
Volume correction value is calculated according to the metered volume, first modifying factor.
2. the method as described in claim 1, which is characterized in that it is described to calculate the first modifying factor according to absolute operating pressures,
Include:
The infield atmospheric pressure in the gas meter, flow meter location is obtained, and atmospheric pressure is calculated according to the infield atmospheric pressure and is repaired
Positive divisor；
The opposite operating pressure that the gas meter, flow meter measures is obtained, and opposite operating pressure is calculated according to the opposite operating pressure
Modifying factor；
The first modifying factor is calculated according to the atmospheric pressure modifying factor and the opposite operating pressure modifying factor.
3. method according to claim 2, which is characterized in that the atmospheric pressure modifying factor is obtained by following calculation mode
It arrives:
Wherein, the γairIndicate the atmospheric pressure modifying factor, the pairIndicate the infield atmospheric pressure, the pbTable
Show standard atmospheric pressure.
4. method according to claim 2, which is characterized in that the atmospheric pressure modifying factor is obtained by following calculation mode
It arrives:
γair=γairbase-γh；
Wherein, the γairIndicate the atmospheric pressure modifying factor, the γairbaseIndicate the atmosphere of local height above sea level altitude datum
Press correction factor, γhIndicate infield elevation correction factor.
5. method according to claim 2, which is characterized in that the opposite operating pressure modifying factor passes through following calculation side
Formula obtains:
Wherein, the γopIndicate the opposite operating pressure modifying factor, the popIndicate opposite operating pressure value, the pb
Indicate standard atmospheric pressure.
6. the method as described in claim 1, which is characterized in that it is described to calculate the first modifying factor according to absolute operating pressures,
Include:
The absolute operating pressures that the gas meter, flow meter measures are obtained, and calculate the first modifying factor according to the absolute operating pressures
Son, wherein first modifying factor is obtained by following calculation mode:
Wherein, the γ indicates first modifying factor, the pAopIndicate the absolute operating pressures, the pbExpression standard
Atmospheric pressure.
7. the method as described in claim 1, which is characterized in that the metered volume obtains after the amendment of temperature volume
Volume.
8. the method as described in claim 1, which is characterized in that the method also includes:
Obtain access account, access password；
Judge whether the access account has permission the control to the gas meter, flow meter according to the access account, the access password
Panel is configured；
If so, response operates the setting of the control panel, the setting instruction in the setting operation is executed, and will be described
Setting instruction is sent to and the associated user terminal of the gas meter, flow meter.
9. a kind of electronic equipment characterized by comprising
Memory；
Processor；
The memory is used to store the program for supporting processor perform claim to require any one of 1-8 the method, the processing
Device is configurable for executing the program stored in the memory.
10. a kind of storage medium, which is characterized in that be stored with computer program, the computer program on the storage medium
Perform claim requires method described in any one of 1-8 when being run by processor.
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