CN2847241Y - X-ray online weight meter - Google Patents

X-ray online weight meter Download PDF

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Publication number
CN2847241Y
CN2847241Y CN 200520114648 CN200520114648U CN2847241Y CN 2847241 Y CN2847241 Y CN 2847241Y CN 200520114648 CN200520114648 CN 200520114648 CN 200520114648 U CN200520114648 U CN 200520114648U CN 2847241 Y CN2847241 Y CN 2847241Y
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ray
detector
measure device
gravity measure
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邸生才
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BEIJING BANGRUIDA ELECTROMECHANICAL EQUIPMENT CO., LTD.
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邸生才
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Abstract

The utility model relates to an X ray online weight calculating device. The utility model includes a scale body bracket, a material transporting device, a data handling system and a speed testing device connected with the data handling system. The utility model is characterized in that: the utility model also includes an X ray source and an X ray detector which are arranged on the scale body bracket, wherein the X ray source and the X ray detector are correspondingly arranged on the upper side and the lower side or the lower side and the upper side of the material transporting device. The X ray detector is connected with the data handling system. The X ray online weight calculating device of the utility model can be used for online weight calculating of belt conveyer materials, and is provided with features of high accuracy, good stability, safety and reliability, etc.

Description

The online gravity measure device of a kind of X-ray
Technical field
The utility model relates to a kind of X-ray on-line metering weighing device of material on-line metering device, particularly a kind of light materials.
Background technology
It mainly is electronic scales and uclear scale that existing online meter is reseted fully, wherein, what uclear scale adopted is gamma ray projector and gamma ray detector, the energy of this class radiographic source such as 60Co is that the energy of 1.33Mev, 137Cs is that the energy of 0.66Mev, 241Am is 0.062Mev etc., the energy height, the protection difficulty then may cause personal injury if any losing.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of X-ray online gravity measure device, the online gravity measure device accuracy of measurement of this X-ray height, and the material that the energy measurement load is littler, lighter, and be easy to protection, even there is loss also can not cause personal injury.
To achieve these goals, the utility model provides a kind of X-ray online gravity measure device, comprise scale body support frame, device for transporting objects, data handling system, the speed measuring device that links to each other with described data handling system, wherein, also comprise: be arranged on X source and x-ray detector on the described scale body support frame; Wherein, described X source and x-ray detector are arranged on the upper and lower or the upper and lower side of described device for transporting objects accordingly; Described x-ray detector links to each other with described data handling system.
The online gravity measure device of described X-ray, wherein, described X source comprises again: power-supply system and x-ray generator; Described power-supply system links to each other with described x-ray generator electricity.
The online gravity measure device of described X-ray, wherein, described x-ray generator comprises that further filament, negative electrode, anode, target and X-ray penetrate window; Wherein said X-ray penetrates window and is arranged on the shell of described x-ray generator.
The online gravity measure device of described X-ray, wherein, described X source further comprises cooling device.
The online gravity measure device of described X-ray wherein, comprises that also one is arranged on the x-ray collimator between described X source and the described x-ray detector; Be arranged on the X-ray barricade of described x-ray detector below; Wherein, described x-ray collimator is provided with collimating aperture.
The online gravity measure device of described X-ray wherein, comprises that also a monitoring X-ray flows strong detector, and being arranged on described X source does not have in the irradiation area that material passes through; Described monitoring X-ray flows strong detector and links to each other with described data handling system.
The online gravity measure device of described X-ray, wherein, it is in ionization chamber, proportional counter tube, G-M counter tube or the scintillation counter one or more that described x-ray detector and monitoring X-ray flow strong detector.
The online gravity measure device of described X-ray wherein, when described x-ray detector is scintillation counter, is provided with the spectrum stabilization unit in its shell.
The online gravity measure device of described X-ray, wherein, described spectrum stabilization unit further comprises: reached by last discriminator, last wave-shaping circuit and go up first branch road that pump circuit is connected in series and forms; By second branch road that descends discriminator, following wave-shaping circuit and following pump circuit to be connected in series and to form; The integrating amplifier that is connected in series with circuit after described first branch road and second branch road are in parallel; The voltage-reg-ulator tube that links to each other with described integrating amplifier electricity.
The online gravity measure device of described X-ray, wherein, described x-ray detector is a scintillation counter, comprising: scintillator; The photomultiplier that links to each other with described scintillator; The high-voltage power supply that links to each other with described photomultiplier; The spectrum stabilization unit that links to each other with described high-voltage power supply; The prime amplifier and the wave-shaping circuit that link to each other with described spectrum stabilization unit.
The online gravity measure device of described X-ray, wherein, described x-ray generator is an X-ray pipe.
The online gravity measure device of the X-ray that the utility model provides utilizes X source (x-ray generator) and x-ray detector, and its effect is as follows:
1, the more gamma-ray energy of X-ray energy is low, thereby can measure littler, the lighter material of load, and is easy to protection;
2, only under the condition of high pressure, X source could produce X-ray, that is to say, therefore this device, can not cause personal injury if any losing not working, just not can producing X-ray when not adding high pressure yet;
3, same a kind of material of same weight, especially to the light materials material, the X-ray that is absorbed is more than absorbing gamma-rays, so the former makes Value than the latter's
Figure Y20052011464800052
Value is big, so, with the gravity measure device accuracy of measurement height of X source;
4, it is strong to strengthen the stream of X-ray as required, thereby reduces statistic fluctuation, improves the signal to noise ratio (S/N ratio) of signal, causes X-ray gravity measure device good stability, counts heavily accuracy height.
It is heavy that device of the present utility model can be used for the online meter of band conveyor material, and it has accuracy height, good stability, characteristics such as safe and reliable.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Figure 1A, 1B are the online gravity measure device synoptic diagram of X-ray of the present utility model;
Fig. 2 is the X source synoptic diagram of the utility model one embodiment;
Fig. 3 A is the X-ray collimating apparatus schematic front view of the utility model one embodiment;
Fig. 3 B is the X-ray collimating apparatus diagrammatic top view of the utility model one embodiment;
Fig. 4 flows strong detector, collimating apparatus and barricade scheme of installation for the monitoring X-ray of the utility model one embodiment;
Fig. 5 is the scintillation counter synoptic diagram of the band spectrum stabilization unit of the utility model one embodiment;
Fig. 6 is the spectrum stabilization cell schematics of the utility model one embodiment.
Wherein, Reference numeral is as follows:
101-data handling system, 102-x-ray detector, 103-speed measuring device
104-material, 105-support, 106-X source
107-upward belts, 108-following belt, 109-barricade
201-power-supply system, 202-filament, 203-negative electrode, 204-anode, 205-target
206-cooling system, 207-X-ray penetrates window
208-x-ray generator shell, 209-x-ray generator
301-collimating apparatus, 302-collimating aperture
404-scale body support frame, 406-belt
407-X-ray weighing detector, 409-monitoring X-ray flows strong detector
501-shell, 502-scintillator, 503-photomultiplier, 504-high-voltage power supply
505-spectrum stabilization unit, 506-prime amplifier, 507-wave-shaping circuit
601-go up discriminator, 602-upward wave-shaping circuits, 603-upward pump circuits
604-voltage-reg-ulator tube, 605-integrating amplifier
606-following discriminator, 607-following wave-shaping circuit, 608-following pump circuit
Embodiment
As Figure 1A, 1B, the online gravity measure device of X-ray of the present utility model comprises: support 105, X source 106, x-ray detector 102, speed measuring device 103, data handling system 101 and conveying belt (comprising belt 107, following belt 108).For the protection personal safety, below x-ray detector 102, be provided with X-ray barricade 109.Described data handling system 101 be connected with x-ray detector 102, speed measuring device 103 respectively (as shown in Figure 1).Described apparatus features is: X source 106 is installed in the top (or below) of conveying belt, and x-ray detector 102 is installed in the below (or top) of conveying belt, and x-ray detector 102 is in the irradiation area of X source 106.At least comprise a meter tuple according to processing module in described data handling system, this module weighs formula heavily by following:
W i = Σ i = 1 n KLn ( U i U 0 ) V i Δt
In the formula:
W i---tested material weight (Kg)
U i---the output voltage of x-ray detector (V) when material is arranged
U 0---the output voltage (V) of x-ray detector during no material
V i---belt speed (m/s)
Δ t---the sampling time
K---material calibration coefficient
Fig. 2 is the X source synoptic diagram of the utility model embodiment.In Fig. 2, the X source 106 of the utility model device is made up of power-supply system 201, x-ray generator 209, cooling system (device) 206.X-ray generator is made up of filament 202, negative electrode 203, anode 204 and target 205 again usually, between cathode and anode, be added with several kilovolts of high pressure to several ten thousand volts, the electronics that negative electrode 203 is launched is quickened to beat on the target 205 of anode 204 by high pressure, and the X-ray of the X ray of generation through being arranged on the x-ray generator shell 208 penetrates window 207 ejaculations.Because the heat that anode 204 is produced by electron bombardment is bigger, so need cool off (if power is little, heat not quite also can be exempted cooling device) to x-ray generator.General cooling device is air-cooled, can use water-cooled when power is big.
The characteristics of X source 106 are: target can be selected different materials for use according to size, the thin and thick (being payload) of tested material density, as Ti, Cr, Cu, Fe, Mo, Ag, Rn etc.Because the X-ray energy that above target produces is low than the energy of 241Am radioactive source, be 47kev as the X ray energy of Ag, the X ray energy of Rn is 23kev.Thereby can be used to measure the material that load is littler, quality is lighter.
The characteristics of X source 106 also are: the high pressure that is added with between cathode and anode (V) is adjustable, changes voltage V and can change X ray stream by force.Thereby can be according to the difference of metering material and the size of load in site of deployment, convection current is regulated by force, utilizes bigger stream to be worth the increase signal noise ratio by force usually, improves measuring accuracy.
Fig. 3 A, 3B are the X-ray collimating apparatus synoptic diagram of the utility model embodiment.Fig. 4 flows strong detector, collimating apparatus and barricade scheme of installation for the monitoring X-ray of the utility model embodiment.As shown in Figure 3, Figure 4, (being the below that X-ray penetrates window 207) is provided with the x-ray collimator 301 of collimating aperture 302 below X source 106.The X ray that X source 106 sends is radiated on the x-ray detector 102 through collimating aperture 302.Be the protection personal safety, be provided with X-ray barricade 109 in x-ray detector (x-ray detector of sampling shown in Figure 4 is an X-ray weighing detector 407) below, its material can adopt steel or lead etc.In Fig. 4, X source 106 is by x-ray collimator 301; X-ray weighing detector 407 is arranged on the scale body support frame 404 by X-ray barricade 109.
Because the X ray that x-ray generator 209 sends stream stiff stability is not high, two X source detectors can be set in described device, a below that is arranged on material, be used to measure the weight of material, another is arranged in the X-ray irradiation area that no material passes through, as the strong variation of monitoring X-ray stream, be respectively the X-ray weighing detector 407 shown in Fig. 4 and be used to monitor the strong monitoring X-ray of X-ray stream and flow strong detector 409.Data handling system 101 receives the data that the monitoring X-rays flow strong detector 409 inputs, and control system changes according to strong this of X-ray stream, to the U of the X-ray weighing detector 407 (can be chosen as ionization chamber) of measuring weight of material 0Value is to proofread and correct in real time zero point.
X-ray detector 102 can be ionization chamber, proportional counter tube, G-M counter tube or scintillation counter.When adopting scintillation counter (or proportional counter tube), for being subjected to high-voltage power supply, the photomultiplier 503 that solves scintillation counter (or proportional counter tube) usefulness changes the detector zero point drift problem that causes, adopt proportional integral spectrum stabilization technology, promptly in probe body 501, be provided with spectrum stabilization unit 505.Fig. 5 is the scintillation counter synoptic diagram of the band spectrum stabilization unit of the utility model embodiment.In Fig. 5, scintillation counter comprises shell 501, scintillator 502, the photomultiplier 503 that links to each other with scintillator 502; The high-voltage power supply 504 that links to each other with photomultiplier 503; The spectrum stabilization unit 505 that links to each other with high-voltage power supply 504; Prime amplifier 506 that links to each other with spectrum stabilization unit 505 and wave-shaping circuit 507.
Fig. 6 is the spectrum stabilization cell schematics of the utility model embodiment.In Fig. 6, spectrum stabilization unit 505 is by upper and lower discriminator 601,606, upper and lower formation circuit 602,607, and upper and lower pump circuit 603,608, integrating amplifier 605 and voltage-reg-ulator tube 604 are formed.Wherein go up discriminator 601, go up wave-shaping circuit 602 and go up first branch road that pump circuit 603 is connected in series and forms; Second branch road that pump circuit 608 was connected in series and forms under following discriminator 606, following wave-shaping circuit 607 reached; Be connected in series with integrating amplifier 605 after first branch road and the second branch road parallel connection; The continuous voltage-reg-ulator tube 604 of integrating amplifier 605 electricity.Wherein, the discrimination of last discriminator 601 is selected in the A point of spectral curve, and the discrimination of following discriminator 606 is selected in the B point of spectral curve.Suppose that upward the intergral counting rate of discrimination output is N A, the intergral counting rate of following discrimination output is N B, both ratio is: K = N A N B ; The electric capacity of upper and lower pump circuit 603,608 is selected C respectively for use 1And C 2, its ratio is K = C 1 C 2 . During device work, require the K value stabilization constant, but, spectral line is offset, thereby causes the K value to change because the temperature of detector, electronic devices and components is floated and high-voltage power supply V instability.If K increases, then U aIncrease, U bThe pressure drop U of increase, adjustable pipe increases, V 0Constant, V 1Reduce, gain of photomultiplier reduces N AReduce, the K value is descended, it is constant to keep former K value.Thereby improved the stability of detector.
High-voltage power supply at the X source of the online gravity measure device of X-ray of an embodiment of the present utility model adopts higher-order of oscillation formula, is specially: the higher-order of oscillation → boost → rectification → voltage adjustment → V; Wherein, high-voltage power supply is 1000V-50000V, divides 5 grades of adjustings; X-ray generator adopts the X-ray pipe, divides 5 retainings to regulate, and stream is generally 800 μ A-1200 μ A by force; Cooling system adopts fan; Two of x-ray detectors,, a thin-wall chamber long for the employing of check weighing detector, another adopts weak point, small-sized thin-wall chamber for the monitoring X-ray flows strong detector; Speed measuring device adopts engaged wheel-scrambler speed measuring device; Data handling system adopts PLC or industrial computer.
The online gravity measure device of X-ray of the present utility model can be realized the measurement of the online weight of material of conveying belt and the proportioning of control material, and the online meter of especially light material is heavy, as industries such as cigar mill, chemical fibre factory, grains.This is significant to control product quality, reinforcement business administration.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims (11)

1, the online gravity measure device of a kind of X-ray, comprise scale body support frame, device for transporting objects, data handling system, with the speed measuring device that described data handling system links to each other, it is characterized in that, also comprise: be arranged on X source and x-ray detector on the described scale body support frame; Wherein, described X source and x-ray detector are arranged on the upper and lower or the upper and lower side of described device for transporting objects accordingly; Described x-ray detector links to each other with described data handling system.
2, the online gravity measure device of X-ray according to claim 1 is characterized in that, described X source comprises again: power-supply system and x-ray generator; Described power-supply system links to each other with described x-ray generator electricity.
3, the online gravity measure device of X-ray according to claim 2 is characterized in that, described x-ray generator comprises that further filament, negative electrode, anode, target and X-ray penetrate window; Wherein said X-ray penetrates window and is arranged on the shell of described x-ray generator.
4, the online gravity measure device of X-ray according to claim 3 is characterized in that, described X source further comprises cooling device.
5, the online gravity measure device of X-ray according to claim 3 is characterized in that, comprises that also one is arranged on the x-ray collimator between described X source and the described x-ray detector; Be arranged on the X-ray barricade of described x-ray detector below; Wherein, described x-ray collimator is provided with collimating aperture.
6, the online gravity measure device of X-ray according to claim 1 is characterized in that, comprises that also a monitoring X-ray flows strong detector, and being arranged on described X source does not have in the irradiation area that material passes through; Described monitoring X-ray flows strong detector and links to each other with described data handling system.
According to claim 1 or the online gravity measure device of 6 described X-rays, it is characterized in that 7, it is ionization chamber, proportional counter tube, G-M counter tube or scintillation counter that described x-ray detector and monitoring X-ray flow strong detector.
8, the online gravity measure device of X-ray according to claim 1 is characterized in that, when described x-ray detector is scintillation counter, is provided with the spectrum stabilization unit in its shell.
9, the online gravity measure device of X-ray according to claim 8 is characterized in that, described spectrum stabilization unit further comprises: reached by last discriminator, last wave-shaping circuit and go up first branch road that pump circuit is connected in series and forms; By second branch road that descends discriminator, following wave-shaping circuit and following pump circuit to be connected in series and to form; The integrating amplifier that is connected in series with circuit after described first branch road and second branch road are in parallel; The voltage-reg-ulator tube that links to each other with described integrating amplifier electricity.
10, according to Claim 8 or the online gravity measure device of 9 described X-rays, it is characterized in that described x-ray detector is a scintillation counter, comprising: scintillator; The photomultiplier that links to each other with described scintillator; The high-voltage power supply that links to each other with described photomultiplier; The spectrum stabilization unit that links to each other with described high-voltage power supply; The prime amplifier and the wave-shaping circuit that link to each other with described spectrum stabilization unit.
11, the online gravity measure device of X-ray according to claim 2 is characterized in that, described x-ray generator is an X-ray pipe.
CN 200520114648 2005-11-17 2005-11-17 X-ray online weight meter Expired - Lifetime CN2847241Y (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476925B (en) * 2009-01-14 2011-04-20 圣昌达机械(天津)有限公司 On-line weight detection apparatus for instant noodles
CN102768063A (en) * 2012-08-08 2012-11-07 丹东奥龙射线仪器有限公司 X-ray weighing device
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
CN110763312A (en) * 2019-12-26 2020-02-07 常州莫森智能科技有限公司 X-ray high-precision weight detecting device with metal detection function

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476925B (en) * 2009-01-14 2011-04-20 圣昌达机械(天津)有限公司 On-line weight detection apparatus for instant noodles
CN102768063A (en) * 2012-08-08 2012-11-07 丹东奥龙射线仪器有限公司 X-ray weighing device
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
CN110763312A (en) * 2019-12-26 2020-02-07 常州莫森智能科技有限公司 X-ray high-precision weight detecting device with metal detection function
CN110763312B (en) * 2019-12-26 2020-03-27 常州莫森智能科技有限公司 X-ray high-precision weight detecting device with metal detection function

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Beijing Bangruida Measurement & Control Equipment Co., Ltd.

Assignor: Di Shengcai

Contract fulfillment period: 2009.5.8 to 2015.11.16

Contract record no.: 2009990000468

Denomination of utility model: X-ray online weight meter

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Assignor: Di Shengcai

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Patentee after: BEIJING BANGRUIDA ELECTROMECHANICAL EQUIPMENT CO., LTD.

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