CN108051069A - The calibration method of X-ray uclear scale and X-ray uclear scale - Google Patents
The calibration method of X-ray uclear scale and X-ray uclear scale Download PDFInfo
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- CN108051069A CN108051069A CN201810017206.3A CN201810017206A CN108051069A CN 108051069 A CN108051069 A CN 108051069A CN 201810017206 A CN201810017206 A CN 201810017206A CN 108051069 A CN108051069 A CN 108051069A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005303 weighing Methods 0.000 claims abstract description 65
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
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Abstract
The present invention provides a kind of calibration method and X-ray uclear scale of X-ray uclear scale.Calibration method provided by the invention is applied to X-ray uclear scale, which includes：X-ray source, X-ray detector, stent and weighing instrument；The described method includes：Weighing instrument obtains tube voltage parameter and the tube current parameter that the X-ray energy, intensity and x-ray source of X-ray detector output are sent；Weighing instrument determines the offset of tube voltage parameter and the offset of tube current parameter respectively according to the tube voltage parameter and tube current parameter；X-ray source adjusts tube voltage parameter and tube current parameter according to the offset of tube voltage parameter and the offset of tube current parameter.The calibration method of the embodiment of the present invention, the feedback transducer of monitoring X-ray energy and intensity is also served as with X-ray detector, the X-ray parameter constant of x-ray source is kept by the tube voltage and tube current of feedback control x-ray source, improves the stability of X-ray nuclon steelyard measure.
Description
Technical field
The present invention relates to weighing technology field more particularly to a kind of calibration methods of X-ray uclear scale and X-ray nucleon
Scale.
Background technology
Coal occupies leading position always in the energy industry structure in China.Coal mining enterprise in order to increase economic efficiency,
Strengthen the supervision to coal production link, isotope uclear scale generally on the gateway belt of stope is installed, is supervised in real time
Superintend and direct the raw coal rate of recovery in exploiting field, it is ensured that effective recycling of coal resources.
The coal winning technology of stope working surface of coal mines is mined using " roll-back method ", the Belt Conveying chance of underground stope
Shorten with the propulsion of coal working face, cause the variation of belt tension.The isotope nucleon installed on belt conveyor
Scale is weighed using " contactless ", and isotope uclear scale is using measurement material to isotope137Cs, which discharges gamma-ray attenuation, to be come
It weighs to the material of conveyer conveying, the influence that measurement error changes from belt tension is particularly suitable for stope of coal mines skin
With the metering under environment, it is used widely.Isotope137The monoenergetic gamma rays that Cs is generated, attenuation coefficient is constant, metering essence
Degree is high, the linearity is good.
But the radio isotope used in above-mentioned isotope uclear scale137There are certain radiation residue problems by Cs.
The content of the invention
The present invention provides a kind of calibration method and X-ray uclear scale of X-ray uclear scale, to solve above-mentioned existing same position
There are certain radiation residue problems for plain uclear scale.
In a first aspect, the present invention provides a kind of calibration method of X-ray uclear scale, applied to X-ray uclear scale, the X
Ray uclear scale includes：X-ray source, X-ray detector, stent and weighing instrument；Wherein, the x-ray source is arranged on described
One end of stent；The other end of the stent is arranged on the X-ray detector；The x-ray source and the X-ray detection
The belt of transmission tested material is provided between device；The X-ray detector is connected with the weighing instrument；The method bag
It includes：
The X-ray energy and intensity and the acquisition X of the weighing instrument acquisition X-ray detector output are penetrated
The tube voltage parameter and tube current parameter that line source is sent；
The weighing instrument divides according to the X-ray energy and intensity and the tube voltage parameter and tube current parameter
Not Que Ding the offset of the tube voltage parameter and the offset of the tube current parameter, and be sent to the x-ray source；
The x-ray source adjusts institute according to the offset of the tube voltage parameter and the offset of the tube current parameter
State tube voltage parameter and tube current parameter.
Second aspect, the present invention provide a kind of X-ray uclear scale, including：
X-ray source, X-ray detector, stent and weighing instrument；
Wherein, the x-ray source is arranged on one end of the stent；The other end of the stent is arranged on the X-ray
On detector；The belt of transmission tested material is provided between the x-ray source and the X-ray detector；
The X-ray detector is connected with the weighing instrument；
The weighing instrument for the X-ray energy and intensity that are exported according to the X-ray detector and obtains institute
The tube voltage and tube current parameter of x-ray source transmission are stated, the offset of the tube voltage and tube current parameter is determined, and is sent to
The x-ray source；
The x-ray source for the offset according to the tube voltage and tube current parameter, adjusts the tube voltage and pipe
Current parameters.
The calibration method of X-ray uclear scale provided by the invention also serves as monitoring X-ray energy and strong with X-ray detector
The feedback transducer of degree keeps the X-ray parameter of x-ray source permanent by the tube voltage and tube current of feedback control x-ray source
It is fixed, the stability of X-ray nuclon steelyard measure is improved, and after the AC power of x-ray source is closed, is produced without X-ray
Raw, there is no radiation residue problems, and without useless source process problem is considered, effect on environment is small.
Description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and for explaining the principle of the disclosure together with specification.
Fig. 1 is the structure diagram of one embodiment of X-ray uclear scale provided by the invention；
Fig. 2 is the flow diagram of one embodiment of calibration method of X-ray uclear scale provided by the invention；
Fig. 3 is the x-ray source structure diagram of one embodiment of X-ray uclear scale provided by the invention；
Fig. 4 is the x-ray source structure diagram of another embodiment of X-ray uclear scale provided by the invention.
Reference sign：
1st, x-ray source；
2nd, X-ray detector；
3rd, stent；
4th, weighing instrument；
5th, upper belt；
6th, lower belt；
7th, X-ray tube；
8th, protective jacket；
9th, ray window.
Pass through above-mentioned attached drawing, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
The scope for limiting the disclosure by any mode and conceiving is not intended to word description, but is by reference to specific embodiment
Those skilled in the art illustrate the concept of the disclosure.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent equipment of some aspects be described in detail in claims, the disclosure.
Term " comprising " and " having " in description and claims of this specification and the attached drawing and they appoint
What is deformed, it is intended that covers non-exclusive include.Such as contain the process of series of steps or unit, method, system, production
The step of product or equipment are not limited to list or unit, but optionally further include the step of not listing or unit or
It optionally further includes for the intrinsic other steps of these processes, method, product or equipment or unit.
Weighting manner in existing coal production link, the belted electronic balance usually installed on rubber conveyer are used and connect
Touch is weighed, and measurement error is influenced by belt tension variation, is not suitable for the place in belt tension variation greatly and is used；Or it uses
Isotope uclear scale, i.e., using measurement material to isotope137Cs discharges gamma-ray attenuation and carrys out the material conveyed to conveyer
It weighs, is weighed to be " contactless ", the influence that measurement error changes from belt tension, but there is radiation residual and ask
Topic.
Inventor in the implementation of the present invention, has studied and is substituted with x-ray source137To uclear scale after Cs isotopic sources
The influence that metering performance generates.Comprehensive X-ray and the gamma-ray otherness of isotope, it is proposed that also serve as prison with X-ray detector
The feedback transducer of X-ray energy (i.e. tube voltage) and intensity (i.e. tube current) is surveyed, passes through the tube voltage of feedback control x-ray source
The constant of X-ray parameter is kept with tube current, and proposes the concept of x-ray source " source strength zero point ", by monitoring X-ray
" gage zero " of uclear scale controls " the source strength zero point " of x-ray source, realizes the stabilization of X-ray nuclon steelyard measure zero point.
Fig. 1 is the structure diagram of one embodiment of X-ray uclear scale provided by the invention.As shown in Figure 1, the present embodiment carries
The X-ray uclear scale of confession, including：
X-ray source 1, X-ray detector 2, stent 3 and weighing instrument 4；
Wherein, the x-ray source 1 is arranged on one end of the stent 2；The other end of the stent 3 is arranged on the X and penetrates
On line detector 2；The belt of transmission tested material is provided between the x-ray source 1 and the X-ray detector 2；
The X-ray detector 2 and the weighing instrument 4 connect；
The weighing instrument 4 for the X-ray intensity information sent according to the X-ray detector, determines described tested
The load of material；
The weighing instrument 4 is additionally operable to the X-ray energy and intensity that are exported according to the X-ray detector 2, Yi Jisuo
The tube voltage and tube current parameter of the transmission of x-ray source 1 are stated, the offset of the tube voltage and tube current parameter is determined, and sends
To the x-ray source；
The x-ray source 1, for the offset according to the tube voltage and tube current parameter, adjust the tube voltage and
Tube current parameter.
As shown in Fig. 2, the method for the present embodiment, applied to X-ray uclear scale as shown in Figure 1, the described method includes such as
Lower step：
Step 201, the X-ray energy of the weighing instrument acquisition X-ray detector output and intensity and acquisition
The tube voltage parameter and tube current parameter that the x-ray source is sent；
Step 202, the weighing instrument are according to the X-ray energy and intensity and the tube voltage parameter and pipe electricity
Parameter is flowed, the offset of the tube voltage parameter and the offset of the tube current parameter is determined respectively, and is sent to the X and penetrates
Line source；
Step 203, the x-ray source are according to the offset of the offset and the tube current parameter of the tube voltage parameter
Amount, adjusts the tube voltage parameter and tube current parameter.
Specifically, as shown in Figure 1, x-ray source 1 and X-ray detector 2 are arranged on the both ends of stent 3, x-ray source is used for
The X-ray of certain energy and intensity stabilization is generated, that is, emits X-ray；X-ray detector, for detecting through remaining after material
X-ray energy and intensity.
The upper belt 5 of transmission tested material is provided between x-ray source 1 and the X-ray detector 3, in other implementations
The position of x-ray source 1 and the X-ray detector 3 can also exchange in example, i.e., x-ray source 1 is arranged on upper belt 5 and hypodermis
Among band 6, X-ray detector 3 is arranged on above stent, and the embodiment of the present invention does not limit this.
It can be realized between weighing instrument 4 and X-ray detector 3 by wired connection or wireless communication connection, weighing instrument
Table for the X-ray intensity information sent according to the X-ray detector, determines the load of the tested material.
When through material, a part is absorbed X-ray by material, and unabsorbed X-ray reaches X-ray after penetrating material
Detector.Penetrate the exponential law attenuation of the intensity of the X-ray after material (1) as the following formula：
N=N0e-μF/S……………………………………(1)
Wherein：μ represents the mass-absorption coefficient of material；F represents conveyer material load；S represents the width of conveyer belt
Degree；N0Indicate during no material X-ray intensity at X-ray detector；N indicates during material X-ray intensity at X-ray detector.
X-ray detector has 2 effects：1) X-ray energy and intensity are monitored, to the pipe of weighing instrument feedback x-ray source
The instantaneous value of voltage and tube current parameter keeps the constant of X-ray energy and intensity；2) as material load detection on conveyer
Sensor.
Specifically, in order to keep constant, the institute in the embodiment of the present invention of the energy of the X-ray of X-ray uclear scale and intensity
It states weighing instrument and obtains the X-ray detector X-ray energy and intensity (i.e. tube voltage and the instantaneous value of tube current parameter), with
And the tube voltage parameter and tube current parameter of x-ray source transmission, and according to the X-ray energy and intensity and pipe electricity
Parameter and tube current parameter are pressed, determines the offset of the tube voltage parameter and the offset of the tube current parameter respectively, and
It is sent to the x-ray source so that the x-ray source is according to the offset of the tube voltage parameter and the tube current parameter
Offset adjusts the tube voltage parameter and tube current parameter, add x-ray source output X-ray energy and intensity it is steady
It is qualitative, improve the stability of X-ray nuclon steelyard measure.
As shown in figure 3, optional, the x-ray source, including：
X-ray tube, high-voltage power module, low-tension supply module and high voltage power supply control module；
Wherein, the X-ray tube is electrically connected respectively with the high-voltage power module and the low-tension supply module；
The high-voltage power module and high voltage power supply control module electrical connection；
The x-ray source is connected with the weighing instrument by wireless communication；
The X-ray detector is connected with the weighing instrument by wireless communication；
The high voltage power supply control module, specifically for the offset according to the tube voltage and tube current parameter, adjustment
The tube voltage and tube current parameter.
In order to which X-ray intensity is overcome to change the influence to X-ray nuclon steelyard measure stability, we can utilize X-ray
The high voltage power supply control module in source, the data of x-ray source high voltage power supply are shared by network and weighing instrument, and monitoring X-ray is strong
The variation of degree.
Weighing instrument can implement function such as：1) the output signal of reception X-ray detector, i.e. X-ray intensity information,
The transfer rate of conveyer, the X-ray energy of x-ray source and intensity (i.e. tube voltage and the instantaneous value of tube current parameter) receive X
The tube voltage parameter and tube current parameter that radiographic source is sent；2) load of material, flow, class's yield on conveyer are calculated, is managed
The offset of electric current, tube voltage parameter；3) by wirelessly or non-wirelessly network, the zero-point voltage value of X-ray uclear scale, (intensity is believed
A kind of representation of breath), the instantaneous value of X-ray energy and intensity, tube current, the offset of tube voltage parameter issue X-ray
Source.
It is the variable of wavelength with attenuation coefficient during matter interaction because the distribution of X-ray energy is continuous, in order to
Improve the weighing precision and the linearity of X-ray uclear scale, it is therefore desirable to which the metering state and X of real-time tracking X-ray uclear scale are penetrated
The parameter of line, the stability and precision for making X-ray uclear scale are greatly improved.
The stability of X-ray uclear scale is determined by the stability of x-ray source, is related to the energy and intensity of X-ray.X-ray
The tube voltage in source determines that X-ray energy, tube current determine X-ray intensity.
Can utilize x-ray source in high voltage power supply control module, by the use of X-ray detector as monitoring X-ray energy with
The feedback transducer of intensity by feedback control, keeps the constant of X-ray parameter, so as to keep the energy of X-ray and intensity
It is constant.Principle is as follows：
After the work of x-ray source power transmission, high voltage power supply control module is by controlling high-voltage power module to realize：
1) x-ray tube current, tube voltage are automatically adjusted according to the x-ray source parameter (tube current, tube voltage parameter) of setting,
Ensure energy and the intensity of X-ray from the influence of mains fluctuations；
2) weighing instrument receives the instantaneous value for the X-ray parameter that X-ray detector detects by wireless network, i.e. X is penetrated
Heat input and intensity, according to tube current, instantaneous value and default tube current, tube voltage parameter (the i.e. x-ray source of tube voltage parameter
The tube voltage parameter of transmission and tube current parameter) compare, determine offset, adjustment tube voltage, the value of tube current parameter keep X to penetrate
The stabilization of line parameter, the reduction of X-ray intensity caused by overcoming X-ray tube aging.
In the above embodiment, by the parameter of the X-ray of real-time tracking X-ray uclear scale, tube voltage and pipe electricity are adjusted
Parameter is flowed, the stability of X-ray uclear scale is made to be greatly improved.
Optionally, stent includes：
Top plate, side plate and bottom plate；
Wherein, confined space is surrounded between the top plate, side plate and bottom plate；
An opening is respectively equipped on the top plate and the bottom plate, for penetrating X-ray.
Specifically, top plate is equipped with an opening, for the X-ray projected through the x-ray source.
Bottom plate is equipped with an opening, for penetrating through remaining X-ray after material.
Calibration method provided in this embodiment, the feedback that monitoring X-ray energy and intensity are also served as with X-ray detector pass
Sensor is kept the X-ray parameter constant of x-ray source by the tube voltage and tube current of feedback control x-ray source, improves X
The stability of ray nuclon steelyard measure, and isotope is substituted using x-ray source137X-ray uclear scale made of Cs sources, is being closed
It closes after the AC power of x-ray source, is generated without X-ray, there is no radiation residue problems, are asked without considering that useless source is handled
Topic, effect on environment are small.
On the basis of above-described embodiment, optionally, in order to improve X-ray uclear scale zero stability, the method is also
Include the following steps：
X-ray of the X-ray detector in scalar period when the weighing instrument gathers the belt no-load running
Intensity samples values；
The weighing instrument determines the gage zero of the X-ray uclear scale according to the X-ray intensity sampled value；Institute
State the X-ray intensity information of X-ray detector output when gage zero is the belt no-load running.
Further, can also include the following steps：
The weighing instrument gathers tube voltage of the x-ray source in scalar period during the belt no-load running respectively
Parameter sampling value and tube current parameter sampling value；
According to the gage zero and the tube voltage parameter sampling value and tube current parameter sampling value, determine with it is described
The corresponding source strength zero point of gage zero；The source strength zero point is joined for tube voltage parameter corresponding with the gage zero and tube current
Number.
Specifically, gage zero is the benchmark of X-ray nuclon steelyard measure, it is not have material on conveyer belt and transport to circle
When, the average value for the x-ray dose rate that X-ray detector receives.Gage zero is by X-ray energy, intensity and conveyer belt
The joint effect of the factors such as the uniformity of material.The stability of gage zero determines the stability of X-ray nuclon steelyard measure, I
Be put forward for the first time " the source strength zero point " of " gage zero " and x-ray source, by the gage zero and x-ray source that monitor X-ray
Source strength zero point realizes the stabilization of X-ray nuclon steelyard measure.Principle is as follows：
In the metering process of X-ray uclear scale, source strength zero point (the tube voltage U of x-ray source0i, tube current I0i) variation
The energy and Strength Changes of X-ray can be caused, the factors such as belt deviation, belt abrasion can all influence X-ray detector output
The stabilization of value.It is just very heavy to eliminate influence of the X-ray variation to gage zero for the gage zero of stable belt conveyer scale in order to obtain
It has wanted.
1) " gage zero-source strength zero point " is determined
X-ray source AC power is connected after X-ray stabilization, starts conveyer by belt no-load running, by weighing instrument
It is separately recorded in the signal S that belt operates the X-ray detector collected in a scalar period (T)0i, x-ray source pipe electricity
Press U0iWith tube current I0i：
In formula：S0、U0、I0The gage zero of uclear scale and corresponding source strength zero point (tube voltage, tube current) are represented respectively；
S0i、U0i、I0iRepresent the value of the ith sample signal of nuclon steelyard measure zero point and corresponding source strength zero point；
N represents the sampled signal points in scalar period；
T represents scalar period；
fsRepresent the signal sampling frequencies of measuring instrument.
The signal S of X-ray detector is measured when we are belt no-load running0iReferred to as " the metering zero of X-ray uclear scale
Point ", the tube voltage U with " gage zero " moment corresponding x-ray source0i, tube current I0iReferred to as " the source strength zero of x-ray source
Point "." source strength zero point " numerical value of x-ray source is issued weighing instrument by high voltage power supply control module by wirelessly or non-wirelessly network,
" gage zero " is fed back to high voltage power supply control module by weighing instrument also by wireless network.In weighing instrument and high voltage power supply
" gage zero-source strength zero point " array (S of X-ray uclear scale is established in control module simultaneously0i、U0i、I0i)。
Further, the method further includes：
The weighing instrument determines whether the source strength zero point belongs to default source strength zero point scope；
If the source strength zero point is not belonging to default source strength zero point scope, the weighing instrument determines the tube voltage ginseng
Several offsets and the offset of the tube current parameter, and by the offset of the tube voltage parameter and the tube current parameter
Offset be sent to the x-ray source so that the x-ray source carries out the tube voltage parameter and the tube current parameter
Adjustment.
Specifically, when conveyer blanking bar is run, weighing instrument gathers the signal S of X-ray detector in real timei, with scale " meter
The zero point value that amount zero point-source strength zero point " array preserves compares：
1) the signal S of X-ray detectoriValue and " gage zero " S0iThe error of value is in franchise, i.e. X-ray detector
Signal SiValue is in gage zero " S0iIn the preset range of value：If the tube voltage U of x-ray sourceiValue, tube current IiValue and " source strength
Zero point " U0iValue, I0iThe error of value also in franchise, then can confirm that the zero point of X-ray energy spectrum and belt conveyer scale does not change, X is penetrated
The zero point stability of line uclear scale；If the tube voltage U of x-ray sourceiValue, tube current IiValue and " source strength zero point " U0iValue, I0iValue
Error is more than preset range, then " the intensity zero point " of x-ray source is influenced deviation occur, it is necessary to again by operating modes such as ray tube agings
It measures " source strength zero point ", and " the source strength zero point " that newly measures is saved in " gage zero-source strength zero point " array.
2) the signal S of X-ray detectoriValue and " gage zero " S0iThe error of value is more than preset range：If x-ray source
Tube voltage UiValue, tube current IiValue and " source strength zero point " U0iValue, I0iThe error of value is in franchise, i.e. tube voltage UiValue, pipe electricity
Flow IiValue is in " source strength zero point " U0iValue, I0iIn the preset range of value, then the zero point of X-ray uclear scale is influenced by the operating mode of conveyer
There is deviation, it is necessary to remeasure " gage zero ", and " gage zero " that newly measures is saved in " gage zero-source strength zero
In point " array；If the tube voltage U of x-ray sourceiValue, tube current IiValue and " source strength zero point " U0iValue, I0iThe error of value is more than pre-
If scope, then the tube voltage and tube current parameter that illustrate X-ray shift, then weighing instrument determines the variable quantity feedback of source strength
High voltage power supply control module is given, adjusts tube voltage, the tube current parameter of x-ray source, X-ray is kept to stablize, ensures " metering zero
The stabilization of point ".
In above-mentioned specific embodiment, by the metering state of real-time tracking X-ray uclear scale and the parameter of X-ray, make X
The stability and precision of ray uclear scale are greatly improved.
Optionally, further include：
The x-ray source is before X-ray is sent, and shielding is less than the X-ray of default energy value.
As shown in figure 4, the X-ray tube 7 is arranged in protective jacket 8；
The protective jacket 8 is equipped with a ray window 9, for projecting X-ray.
Specifically, generating electronics after the cathode filament heating of X-ray tube 7, electronics flies under the acceleration of high voltage electric field
To anode；X-ray is generated after the electronic impact anode target surface of high-speed motion.The size of x-ray tube voltage is determined as electronics
The size of the high voltage electric field of acceleration determines the ENERGY E of X-ray.X-ray intensity IEvenSize and tube current i, anode target substance
Atomic number Z it is directly proportional, tube voltage U's is square directly proportional, i.e.,：IEven=k1iU2Z(k1For constant, it is approximately equal to 1.1 × 10-19~
1.4×10-19)。
Optionally, in order to eliminate influence of the X-ray hardening to the metering linearity, shielding knot is equipped at the ray window
Structure, for shielding the X-ray less than default energy value.
Specifically, since X-ray contains a series of electromagnetic wave λ of different wave lengths, absorption of the same substance to X-ray
Coefficient μ is the cubic function of included electromagnetic wavelength, is a parameter.X-ray through different-thickness absorbent when, with
The increase of absorbent thickness, the low energy particle of long wavelength is subsequently absorbed in the material, and the X after the high energy particle penetrating material of short wavelength is penetrated
The overall strength of line reduces, and the high energy particle accounting of short-wave band increases, and the X-ray energy spectrum after transmission occurs compared with the power spectrum before transmission
" hardening " phenomenon.
We in ray window by adding shielding construction such as selectively masking material, such as can add thickness 4mm's
Shielding material can shield the X-ray that energy is less than below 60keV, reduce the hardenability of X-ray energy spectrum, eliminate X and penetrate
Influence of the line hardening to the metering linearity.
Wherein, in practical applications, the thickness range of the shielding material can be 4-5mm.
In above-mentioned specific embodiment, by adding selectively masking material in ray window, reduce X-ray energy spectrum
Hardenability eliminates influence of the X-ray hardening to the metering linearity.
As shown in Figure 1, Figure 3, the embodiment of the present invention also provides a kind of X-ray uclear scale, including：
X-ray source, X-ray detector, stent and weighing instrument；
Wherein, the x-ray source is arranged on one end of the stent；The other end of the stent is arranged on the X-ray
On detector；The belt of transmission tested material is provided between the x-ray source and the X-ray detector；
The X-ray detector is connected with the weighing instrument；
The weighing instrument is penetrated for the X-ray energy and intensity that are exported according to the X-ray detector and the X
The tube voltage and tube current parameter that line source is sent, determine the offset of the tube voltage and tube current parameter, and are sent to the X
Radiographic source；
The x-ray source for the offset according to the tube voltage and tube current parameter, adjusts the tube voltage and pipe
Current parameters.
Optionally, the weighing instrument, the X-ray detector is being demarcated when being additionally operable to gather the belt no-load running
X-ray intensity sampled value in cycle；According to the X-ray intensity sampled value, the metering zero of the X-ray detector is determined
Point；The strength information of X-ray detector output when the gage zero is the belt no-load running.
Optionally, the weighing instrument, the x-ray source is being demarcated when being additionally operable to gather the belt no-load running respectively
Tube voltage parameter sampling value and tube current parameter sampling value in cycle；According to the gage zero and the tube voltage parameter
Sampled value and tube current parameter sampling value determine source strength zero point corresponding with the gage zero；The source strength zero point for institute
State the corresponding tube voltage of gage zero and tube current parameter.
Optionally, the weighing instrument, specifically for determining whether the source strength zero point belongs to default source strength zero point model
It encloses；
If the source strength zero point is not belonging to default source strength zero point scope, it is determined that the offset of the tube voltage parameter and
The offset of the tube current parameter, and the offset of the offset of the tube voltage parameter and the tube current parameter is sent
To the high voltage power supply control module, so that the high voltage power supply control module joins the tube voltage parameter and the tube current
Number is adjusted.
Optionally, further include：
The velocity package being connected with the weighing instrument；Wherein, the velocity package is arranged on the conveyer of the belt
On, for measuring the transfer rate of the conveyer.
Specifically, velocity package can be velocity sensor, the transfer rate of conveyer is measured, feeds back to weighing instrument,
Weighing instrument can be used for calculating the data such as flow, class's yield.
Uclear scale in above-described embodiment realizes that philosophy and technique effect is similar with embodiment of the method, no longer superfluous herein
It states.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice invention disclosed herein
Its embodiment.It is contemplated that cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by following
Claims are pointed out.
It should be appreciated that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claims
System.
Claims (10)
1. a kind of calibration method of X-ray uclear scale, which is characterized in that applied to X-ray uclear scale, the X-ray uclear scale
Including：X-ray source, X-ray detector, stent and weighing instrument；Wherein, the x-ray source is arranged on one end of the stent；
The other end of the stent is arranged on the X-ray detector；It is set between the x-ray source and the X-ray detector
There is the belt of transmission tested material；The X-ray detector is connected with the weighing instrument；The described method includes：
The X-ray energy and intensity and the acquisition x-ray source of the weighing instrument acquisition X-ray detector output
The tube voltage parameter of transmission and tube current parameter；
The weighing instrument is true respectively according to the X-ray energy and intensity and the tube voltage parameter and tube current parameter
The offset of the fixed tube voltage parameter and the offset of the tube current parameter, and it is sent to the x-ray source；
The x-ray source adjusts the pipe according to the offset of the tube voltage parameter and the offset of the tube current parameter
Voltage parameter and tube current parameter.
2. it according to the method described in claim 1, it is characterized in that, further includes：
X-ray intensity of the X-ray detector in scalar period when the weighing instrument gathers the belt no-load running
Sampled value；
The weighing instrument determines the gage zero of the X-ray uclear scale according to the X-ray intensity sampled value；The meter
Measure the X-ray intensity information of X-ray detector output when zero point is the belt no-load running.
3. it according to the method described in claim 2, it is characterized in that, further includes：
The weighing instrument gathers tube voltage parameter of the x-ray source in scalar period during the belt no-load running respectively
Sampled value and tube current parameter sampling value；
According to the gage zero and the tube voltage parameter sampling value and tube current parameter sampling value, determine and the metering
The corresponding source strength zero point of zero point；The source strength zero point is tube voltage parameter corresponding with the gage zero and tube current parameter.
4. according to the method in claim 2 or 3, which is characterized in that further include：
The weighing instrument determines whether the source strength zero point belongs to default source strength zero point scope；
If the source strength zero point is not belonging to default source strength zero point scope, the weighing instrument determines the tube voltage parameter
The offset of offset and the tube current parameter, and by the inclined of the offset of the tube voltage parameter and the tube current parameter
Shifting amount is sent to the x-ray source, so that the x-ray source adjusts the tube voltage parameter and the tube current parameter
It is whole.
5. according to the method in claim 2 or 3, which is characterized in that further include：
The x-ray source is before X-ray is sent, and shielding is less than the X-ray of default energy value.
6. a kind of X-ray uclear scale, which is characterized in that including：
X-ray source, X-ray detector, stent and weighing instrument；
Wherein, the x-ray source is arranged on one end of the stent；The other end of the stent is arranged on the X-ray detection
On device；The belt of transmission tested material is provided between the x-ray source and the X-ray detector；
The X-ray detector is connected with the weighing instrument；
The weighing instrument, X-ray energy and intensity and the acquisition X for being exported according to the X-ray detector are penetrated
The tube voltage and tube current parameter that line source is sent, determine the offset of the tube voltage and tube current parameter, and are sent to the X
Radiographic source；
The x-ray source for the offset according to the tube voltage and tube current parameter, adjusts the tube voltage and tube current
Parameter.
7. uclear scale according to claim 6, which is characterized in that the x-ray source, including：
X-ray tube, high-voltage power module, low-tension supply module and high voltage power supply control module；
Wherein, the X-ray tube is electrically connected respectively with the high-voltage power module and the low-tension supply module；
The high-voltage power module and high voltage power supply control module electrical connection；
The x-ray source is connected with the weighing instrument by wireless communication；
The X-ray detector is connected with the weighing instrument by wireless communication；
The high voltage power supply control module, specifically for the offset according to the tube voltage and tube current parameter, described in adjustment
Tube voltage and tube current parameter.
8. the uclear scale according to claim 6 or 7, which is characterized in that the weighing instrument is additionally operable to gather the belt
X-ray intensity sampled value of the X-ray detector in scalar period during no-load running；It is sampled according to the X-ray intensity
Value determines the gage zero of the X-ray detector；The X-ray detector when gage zero is the belt no-load running
The strength information of output；
The weighing instrument is additionally operable to gather pipe of the x-ray source in scalar period during the belt no-load running respectively
Voltage parameter sampled value and tube current parameter sampling value；According to the gage zero and the tube voltage parameter sampling value and pipe
Current parameters sampled value determines source strength zero point corresponding with the gage zero；The source strength zero point be and the gage zero
Corresponding tube voltage and tube current parameter.
9. uclear scale according to claim 8, which is characterized in that the weighing instrument, specifically for determining the source strength
Whether zero point belongs to default source strength zero point scope；
If the source strength zero point is not belonging to default source strength zero point scope, it is determined that the offset of the tube voltage parameter and described
The offset of tube current parameter, and the offset of the offset of the tube voltage parameter and the tube current parameter is sent to institute
State high voltage power supply control module so that the high voltage power supply control module to the tube voltage parameter and the tube current parameter into
Row adjustment.
10. the uclear scale according to claim 6 or 7, which is characterized in that
The X-ray tube is arranged in protective jacket；
The protective jacket is equipped with a ray window, for projecting X-ray；
Shielding material is equipped at the ray window, for shielding the X-ray less than default energy value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110108239A (en) * | 2019-05-21 | 2019-08-09 | 东莞维科电池有限公司 | Pole piece new Methods of Quality Information Acquisition method, system and equipment |
| CN111239171A (en) * | 2020-02-13 | 2020-06-05 | 雅化锂业(雅安)有限公司 | Weighing method capable of judging materials for metallurgy |
| GB2604004A (en) * | 2020-12-15 | 2022-08-24 | Grieshaber Vega Kg | Radiometric measuring device for determining a mass flow rate |
| GB2604004B (en) * | 2020-12-15 | 2023-03-15 | Grieshaber Vega Kg | Radiometric measuring device for determining a mass flow rate |
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