CN103163545B - A kind of ray meter measuring roentgen dose X - Google Patents
A kind of ray meter measuring roentgen dose X Download PDFInfo
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- CN103163545B CN103163545B CN201310059868.4A CN201310059868A CN103163545B CN 103163545 B CN103163545 B CN 103163545B CN 201310059868 A CN201310059868 A CN 201310059868A CN 103163545 B CN103163545 B CN 103163545B
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Abstract
The present invention relates to a kind of ray meter measuring roentgen dose X.The present invention includes photoelectric sensor, the first amplifying circuit, integrating circuit, the second amplifying circuit, A/D converter and Single-chip Controlling and display circuit; Described first amplifying circuit is made up of the first differential amplifier circuit, the first calibration voltage circuit and the first anti-phase scaling circuit; Described second amplifying circuit is made up of the second differential amplifier circuit, the second calibration voltage circuit and the second anti-phase scaling circuit; It is characterized in that it also comprises the first warning circuit and the second warning circuit; The output terminal of the anti-phase scaling circuit of input termination first of described first warning circuit; The output terminal of the anti-phase scaling circuit of input termination second of described second warning circuit.Beneficial effect of the present invention be reduce make x ray exposure x curve manpower, material resources and financial resources, substantially increase work efficiency.
Description
Technical field
The present invention relates to a kind of ray meter measuring roentgen dose X, be particularly useful for making technical chart in the detection of industrial x-ray and controlling ray integral dose.
Background technology
At present, detect industrial x-ray technical chart and mostly adopt radiographic film to expose, measure film density and make, doing like this and will use a large amount of film on the one hand, on the other hand in order to obtain instant result, avoiding blackness to exceed standard, need repeatedly to rinse understanding real-time results, waste time and energy costly.The detection of roentgen dose X when therefore designing gamma ray dosimeter that a kind of flake can measure ray integral dose for the making of ray detection technical chart or for exposing.
Summary of the invention
The present invention is directed to above problem and a kind of laminar, ray meter of measuring roentgen dose X is accurately provided.
The technical solution adopted for the present invention to solve the technical problems is:
Measure a ray meter for roentgen dose X, it is characterized in that it comprises photoelectric sensor, the first amplifying circuit, integrating circuit, the second amplifying circuit, A/D converter and Single-chip Controlling and display circuit; Described first amplifying circuit is made up of the first differential amplifier circuit, the first calibration voltage circuit and the first anti-phase scaling circuit; Described second amplifying circuit is made up of the second differential amplifier circuit, the second calibration voltage circuit and the second anti-phase scaling circuit;
The output terminal of described photoelectric sensor connects the input end of the first differential amplifier circuit and integrating circuit respectively; The output terminal of described first differential amplifier circuit and the first calibration voltage circuit all connects the input end of the first anti-phase scaling circuit; The input end of output termination second differential amplifier circuit of described integrating circuit; The output terminal of described second differential amplifier circuit and the second calibration voltage circuit all connects the input end of the second anti-phase scaling circuit; The output terminal of described first anti-phase scaling circuit and the second anti-phase scaling circuit connects the respective input of A/D converter respectively; The output terminal of described A/D converter connects the input end of Single-chip Controlling and display circuit.
Beneficial effect of the present invention is as follows:
Present invention reduces the manpower, material resources and financial resources of making x ray exposure x curve, substantially increase work efficiency, and also can read roentgen dose X to determine exposure.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention (circuit diagrams except except A/D converter, Single-chip Controlling and display circuit);
Fig. 3 is the circuit diagram of A/D converter, Single-chip Controlling and display circuit.
Embodiment
From the embodiment shown in Fig. 1-3, it comprises photoelectric sensor 1, first amplifying circuit 3, integrating circuit 2, second amplifying circuit 4, A/D converter 6 and Single-chip Controlling and display circuit 8; Described first amplifying circuit 3 is made up of the first differential amplifier circuit 3-1, the first calibration voltage circuit 3-2 and the first anti-phase scaling circuit 3-3; Described second amplifying circuit 4 is made up of the second differential amplifier circuit 4-1, the second calibration voltage circuit 4-2 and the second anti-phase scaling circuit 4-3;
The output terminal of described photoelectric sensor 1 connects the input end of the first differential amplifier circuit 3-1 and integrating circuit 2 respectively; The output terminal of described first differential amplifier circuit 3-1 and the first calibration voltage circuit 3-2 all connects the input end of the first anti-phase scaling circuit 3-3; The input end of the output termination second differential amplifier circuit 4-1 of described integrating circuit 2; The output terminal of described second differential amplifier circuit 4-1 and the second calibration voltage circuit 4-2 all connects the input end of the second anti-phase scaling circuit 4-3; The output terminal of described first anti-phase scaling circuit 3-3 and the second anti-phase scaling circuit 4-3 connects the respective input of A/D converter 6 respectively; The output terminal of described A/D converter 6 connects the input end of Single-chip Controlling and display circuit 8.
It also comprises the first warning circuit 5 and the second warning circuit 7; The output terminal of the anti-phase scaling circuit 3-3 of input termination first of described first warning circuit 5; The output terminal of the anti-phase scaling circuit 4-3 of input termination second of described second warning circuit 7.
Described photoelectric sensor 1 is made up of silicon photoelectric diode D1, and its model is S1087.
First differential amplifier circuit 3-1 of described first amplifying circuit 3 is made up of amplifier U1A, slide rheostat VR1 and resistance R1-R5; Described resistance R1 is in parallel with silicon photoelectric diode D1; The inverting input of described amplifier U1A connects the negative electrode of silicon photoelectric diode D1 through resistance R2, the in-phase input end of described amplifier U1A connects the anode of silicon photoelectric diode D1 through resistance R3; Between the in-phase input end that described resistance R5 is connected on amplifier U1A and ground; Between the output terminal being connected on amplifier U1A after described resistance R4 connects with slide rheostat VR1 and inverting input;
Described first calibration voltage circuit 3-2 is made up of stabilivolt D2, slide rheostat VR2 and resistance R9-R10; Be connected between+12V and ground after described stabilivolt D2 connects with resistance R9; Described slide rheostat VR2 is in parallel with stabilivolt D2;
Described first anti-phase scaling circuit 3-3 is made up of amplifier U1B, slide rheostat VR3 and resistance R6-R8; Inverting input one tunnel of described amplifier U1B connects the output terminal of amplifier U1A through resistance R6, another road connects the sliding end of slide rheostat VR2 through resistance R10, and the in-phase input end of described amplifier U1B is through resistance R8 ground connection; Be connected between the output terminal VDD1 of amplifier U1B and inverting input after described resistance R7 connects with slide rheostat VR3.
Described integrating circuit 2 is made up of amplifier U2A, resistance R11-R13 and electric capacity C1; The inverting input of described amplifier U2A connects the negative electrode of photodiode D1 through resistance R11, the in-phase input end of described amplifier U2A connects the anode of photodiode D1; Between the output terminal being connected on amplifier U2A after described resistance R13 is in parallel with electric capacity C1 and inverting input; Between the in-phase input end that described resistance R12 is connected on amplifier U2A and ground.
Described second differential amplifier circuit 4-1 is made up of amplifier U2B, slide rheostat VR6 and resistance R14-R18; Between the output terminal that described resistance R14 is connected on amplifier U2A and ground; The inverting input of described amplifier U2B connects the output terminal of amplifier U2A through resistance R15, the in-phase input end of amplifier U2B is respectively through resistance R16 and resistance R18 ground connection; Between the output terminal being connected on amplifier U2B after described resistance R17 connects with slide rheostat VR6 and inverting input;
Described second calibration voltage circuit 4-2 is identical with the first calibration voltage circuit 3-2 structure, and the second calibration voltage circuit 4-2 is made up of stabilivolt D3, slide rheostat VR7 and resistance R22-R23;
Described second anti-phase scaling circuit 4-3 is identical with the first anti-phase scaling circuit 3-3 structure, and the second anti-phase scaling circuit 4-3 is made up of amplifier U2C, slide rheostat VR8 and resistance R19-R21; Its output terminal is the output terminal VDD2 of amplifier U2C.
Described A/D converter 6 is made up of A/D converter U8; The model of described A/D converter U8 is ADC0808, its 26 pin, 27 pin meet the output terminal VDD1 of described amplifier U1B, the output terminal VDD2 of amplifier U2C respectively, 6 pin of A/D converter U8 are connected with 22 pin, and 9 pin and 12 pin of A/D converter U8 all meet+5V, the 16 pin ground connection of A/D converter U8.
Described Single-chip Controlling and display circuit 8 are made up of single-chip microcomputer U5 and peripheral component crystal oscillator Y1, switch S 3, electric capacity C6-C8, exclusion PR1, resistance R36 and display module U6; The model of described single-chip microcomputer U5 is AT89C51, its input end 21 pin-28 pin connects 17 pin, 14 pin, 15 pin, 8 pin, the 18-21 pin of A/D converter U8 successively, the 1-3 pin of the single-chip microcomputer U5 of single-chip microcomputer U5 connects the 25-23 pin of A/D converter U8 successively, 13 pin-14 pin of single-chip microcomputer U5 connect the 7-6 pin of A/D converter U8 respectively, the output terminal 32-39 pin of single-chip microcomputer U5 connect display module U6 D7-D0 pin, the output terminal 15-17 pin of single-chip microcomputer U5 connects RS pin, RW pin, the E pin of display module U6 respectively, and 30 pin of single-chip microcomputer U5 connect 10 pin of A/D converter U8; The model of described display module U6 is LCD1602; Described crystal oscillator Y1 is connected between 18 pin of single-chip microcomputer U5 and 19 pin; Described electric capacity C6 is connected between 19 pin of single-chip microcomputer U5 and ground; Described electric capacity C7 is connected between 18 pin of single-chip microcomputer U5 and ground; 9 pin of single-chip microcomputer U5 meet+5V through switch S 3, resistance R36 successively, and electric capacity C8 is in parallel with switch S 3; The 2-9 pin of described exclusion PR1 connects the 39-32 pin of single-chip microcomputer U5 respectively, and 1 pin of exclusion PR1 meets+5V.
Described first warning circuit 5 is made up of dual time base chip U3 and peripheral component stabilivolt D4, triode Q1, light emitting diode DS1-DS2, switch S 1, slide rheostat VR4-VR5, electric capacity C2-C3 and resistance R24-R29, the model of described dual time base chip U3 is LM556, its input end 6 pin is successively through resistance R24, slide rheostat VR4 meets the output terminal VDD1 of amplifier U1B, between 6 pin that electric capacity C2 is connected on dual time base chip U3 and ground, input end 8 pin of dual time base chip U3 is successively through resistance R26, slide rheostat VR5 connects the anode of stabilivolt D4, the negative electrode of stabilivolt D4 meets the output terminal VDD1 of amplifier U1B, output terminal 5 pin of dual time base chip U3 is successively through resistance R25, light emitting diode DS1 ground connection, output terminal 9 pin of dual time base chip U3 is successively through resistance R29, light emitting diode DS2 ground connection, the base stage of triode Q1 connects 9 pin of dual time base chip U3, the collector of triode Q1 connects 8 pin of dual time base chip U3, the grounded emitter of triode Q1, 4 pin of dual time base chip U3 are through switch S 1 ground connection, 10 pin of dual time base chip U3 meet the output terminal VDD1 of amplifier U1B through resistance R27, through resistance R28 ground connection after 2 pin of dual time base chip U3 are connected with 12 pin, 14 pin of dual time base chip U3 meet the output terminal VDD1 of amplifier U1B, electric capacity C3 is connected between the output terminal VDD1 of amplifier U1B and 12 pin of dual time base chip U3,
Described second warning circuit 7 is identical with the first warning circuit 5 structure; Described second warning circuit 7 is made up of dual time base chip U4 and peripheral component stabilivolt D5, triode Q2, light emitting diode DS3-DS4, switch S 2, slide rheostat VR9-VR10, electric capacity C4-C5 and resistance R30-R35; Input end 6 pin of described dual time base chip U4 meets the output terminal VDD2 of amplifier U2C successively through resistance R30, slide rheostat VR9, input end 8 pin of dual time base chip U4 connects the anode of stabilivolt D5 successively through resistance R33, slide rheostat VR10, the negative electrode of stabilivolt D5 meets the output terminal VDD2 of amplifier U2C.
The model of the above amplifier is LM324.
Below in conjunction with Fig. 1-3, brief description is done to the principle of work of the present embodiment:
Silicon photoelectric diode D1 is adopted in the present embodiment, all the other peripheral circuits are contained in a box, and silicon photoelectric diode D1 is stretched out box make probe shape, be connected with wire between all the other peripheral circuits with silicon photoelectric diode D1, and silicon photoelectric diode D1 is connected with all the other peripheral circuits with plug form, is convenient for changing.
What flow through silicon photoelectric diode D1 when irradiating by industrial x-ray is current signal, then through resistance R1, current signal is converted to voltage signal, is fed into the first amplifying circuit 3 simultaneously and amplifies voltage signal in order to measure x-ray prompt dose; Meanwhile, current signal is accumulated x through integrating circuit 2, then send into the second amplifying circuit 4 current signal is converted to voltage signal and amplify in order to measure x-ray integral dose; Because the voltage signal through amplifying be still simulating signal, and single-chip microcomputer can only processing digital signal, and therefore A/D converter 6 carries out the digital-to-analog conversion of signal, then feeding single-chip microcomputer process showing.
Wherein why add the first calibration voltage circuit 3-2 and the second calibration voltage circuit 4-2: when the electric current that this matching requirements flows through silicon photoelectric diode D1 is 12mA, amplification circuit output end voltage is 0, if and do not have the actual output of calibration voltage circuit not meet the demands, therefore add can the calibration voltage circuit of pressure regulation to meet actual requirement.
Can also report to the police according to roentgen dose X in the present embodiment, report to the police in time exceeding dosage bound scope.In warning circuit, light emitting diode DS1(or light emitting diode DS3) be upper limit alarm pilot lamp, regulate slide rheostat VR4(or slide rheostat VR9), at amplifier U1B output terminal VDD1(or amplifier U2C output terminal VDD2) voltage close to the upper limit (but still being normal), the 6 pin voltages of dual time base chip U3 (or dual time base chip U4) are made to be a bit larger tham 1/3VDD1(or 1/3VDD2), now 5 pin of dual time base chip U3 (or dual time base chip U4) are still low level, as VDD1(or VDD2) continue raise time, electric capacity C3(electric capacity C5) both end voltage can not suddenly change, the 6 pin voltages of dual time base chip U3 (or dual time base chip U4) reduce relatively, the 5 pin level of dual time base chip U3 (or dual time base chip U4) overturn, export high level, then light emitting diode DS1(or light emitting diode DS3) bright, warning instruction exceeds the roentgen dose X upper limit.
Light emitting diode DS2(or light emitting diode DS4) be lower limit alarm lamp, at amplifier U1B output terminal VDD1(or amplifier U2C output terminal VDD2) close to lower bound (but still being normal), regulate slide rheostat VR5(or slide rheostat VR10), make dual time base chip U3(or dual time base chip U4) 8 pin voltages be a bit larger tham 1/3VDD1(or 1/3VDD2), as voltage VDD1(or VDD2) drop to 8 pin current potentials and be less than 1/3VDD1(or 1/3VDD2) time, dual time base chip U3(or dual time base chip U4) 9 pin level overturn, export high level, light emitting diode DS2(or light emitting diode DS4) bright, simultaneously triode Q1(or triode Q1) base stage and dual time base chip U3(or dual time base chip U4) 9 pin be connected, triode Q1(or triode Q1) saturation conduction, make again dual time base chip U3(or dual time base chip U4) 8 pin clampers in low level, continue to report to the police.
Claims (9)
1. measure a ray meter for roentgen dose X, it is characterized in that it comprises photoelectric sensor (1), the first amplifying circuit (3), integrating circuit (2), the second amplifying circuit (4), A/D converter (6) and Single-chip Controlling and display circuit (8); Described first amplifying circuit (3) is made up of the first differential amplifier circuit (3-1), the first calibration voltage circuit (3-2) and the first anti-phase scaling circuit (3-3); Described second amplifying circuit (4) is made up of the second differential amplifier circuit (4-1), the second calibration voltage circuit (4-2) and the second anti-phase scaling circuit (4-3);
The output terminal of described photoelectric sensor (1) connects the input end of the first differential amplifier circuit (3-1) and integrating circuit (2) respectively; The output terminal of described first differential amplifier circuit (3-1) and the first calibration voltage circuit (3-2) all connects the input end of the first anti-phase scaling circuit (3-3); The input end of output termination second differential amplifier circuit (4-1) of described integrating circuit (2); The output terminal of described second differential amplifier circuit (4-1) and the second calibration voltage circuit (4-2) all connects the input end of the second anti-phase scaling circuit (4-3); The output terminal of described first anti-phase scaling circuit (3-3) and the second anti-phase scaling circuit (4-3) connects the respective input of A/D converter (6) respectively; The output terminal of described A/D converter (6) connects the input end of Single-chip Controlling and display circuit (8).
2. the ray meter of measurement roentgen dose X according to claim 1, is characterized in that it also comprises the first warning circuit (5) and the second warning circuit (7); The output terminal of the anti-phase scaling circuit of input termination first (3-3) of described first warning circuit (5); The output terminal of the anti-phase scaling circuit of input termination second (4-3) of described second warning circuit (7).
3. the ray meter of measurement roentgen dose X according to claim 2, is characterized in that described photoelectric sensor (1) is made up of silicon photoelectric diode D1.
4. the ray meter of measurement roentgen dose X according to claim 3, is characterized in that first differential amplifier circuit (3-1) of described first amplifying circuit (3) is made up of amplifier U1A, slide rheostat VR1 and resistance R1-R5; Described resistance R1 is in parallel with silicon photoelectric diode D1; The inverting input of described amplifier U1A connects the negative electrode of silicon photoelectric diode D1 through resistance R2, the in-phase input end of described amplifier U1A connects the anode of silicon photoelectric diode D1 through resistance R3; Between the in-phase input end that described resistance R5 is connected on amplifier U1A and ground; Between the output terminal being connected on amplifier U1A after described resistance R4 connects with slide rheostat VR1 and inverting input;
Described first calibration voltage circuit (3-2) is made up of stabilivolt D2, slide rheostat VR2 and resistance R9-R10; Be connected between+12V and ground after described stabilivolt D2 connects with resistance R9; Described slide rheostat VR2 is in parallel with stabilivolt D2;
Described first anti-phase scaling circuit (3-3) is made up of amplifier U1B, slide rheostat VR3 and resistance R6-R8; Inverting input one tunnel of described amplifier U1B connects the output terminal of amplifier U1A through resistance R6, another road connects the sliding end of slide rheostat VR2 through resistance R10, and the in-phase input end of described amplifier U1B is through resistance R8 ground connection; Be connected between the output terminal VDD1 of amplifier U1B and inverting input after described resistance R7 connects with slide rheostat VR3.
5. the ray meter of measurement roentgen dose X according to claim 4, is characterized in that described integrating circuit (2) is made up of amplifier U2A, resistance R11-R13 and electric capacity C1; The inverting input of described amplifier U2A connects the negative electrode of photodiode D1 through resistance R11, the in-phase input end of described amplifier U2A connects the anode of photodiode D1; Between the output terminal being connected on amplifier U2A after described resistance R13 is in parallel with electric capacity C1 and inverting input; Between the in-phase input end that described resistance R12 is connected on amplifier U2A and ground.
6. the ray meter of measurement roentgen dose X according to claim 5, is characterized in that described second differential amplifier circuit (4-1) is made up of amplifier U2B, slide rheostat VR6 and resistance R14-R18; Between the output terminal that described resistance R14 is connected on amplifier U2A and ground; The inverting input of described amplifier U2B connects the output terminal of amplifier U2A through resistance R15, the in-phase input end of amplifier U2B is respectively through resistance R16 and resistance R18 ground connection; Between the output terminal being connected on amplifier U2B after described resistance R17 connects with slide rheostat VR6 and inverting input;
Described second calibration voltage circuit (4-2) is identical with the first calibration voltage circuit (3-2) structure, and the second calibration voltage circuit (4-2) is made up of stabilivolt D3, slide rheostat VR7 and resistance R22-R23;
Described second anti-phase scaling circuit (4-3) is identical with the first anti-phase scaling circuit (3-3) structure, and the second anti-phase scaling circuit (4-3) is made up of amplifier U2C, slide rheostat VR8 and resistance R19-R21; Its output terminal is the output terminal VDD2 of amplifier U2C.
7. the ray meter of measurement roentgen dose X according to claim 6, is characterized in that described A/D converter (6) is made up of A/D converter U8; 26 pin of described A/D converter U8,27 pin meet the output terminal VDD1 of described amplifier U1B, the output terminal VDD2 of amplifier U2C respectively, 6 pin of A/D converter U8 are connected with 22 pin, 9 pin and 12 pin of A/D converter U8 all meet+5V, the 16 pin ground connection of A/D converter U8.
8. the ray meter of measurement roentgen dose X according to claim 7, is characterized in that described Single-chip Controlling and display circuit (8) are made up of single-chip microcomputer U5 and peripheral component crystal oscillator Y1, switch S 3, electric capacity C6-C8, exclusion PR1, resistance R36 and display module U6; Input end 21 pin-28 pin of described single-chip microcomputer U5 connects 17 pin, 14 pin, 15 pin, 8 pin, the 18-21 pin of A/D converter U8 successively, the 1-3 pin of single-chip microcomputer U5 connects the 25-23 pin of A/D converter U8 successively, 13 pin-14 pin of single-chip microcomputer U5 connect the 7-6 pin of A/D converter U8 respectively, the output terminal 32-39 pin of single-chip microcomputer U5 connects the D7-D0 pin of display module U6, the output terminal 15-17 pin of single-chip microcomputer U5 connects RS pin, RW pin, the E pin of display module U6 respectively, and 30 pin of single-chip microcomputer U5 connect 10 pin of A/D converter U8; Described crystal oscillator Y1 is connected between 18 pin of single-chip microcomputer U5 and 19 pin; Described electric capacity C6 is connected between 19 pin of single-chip microcomputer U5 and ground; Described electric capacity C7 is connected between 18 pin of single-chip microcomputer U5 and ground; 9 pin of single-chip microcomputer U5 meet+5V through switch S 3, resistance R36 successively, and electric capacity C8 is in parallel with switch S 3; The 2-9 pin of described exclusion PR1 connects the 39-32 pin of single-chip microcomputer U5 respectively, and 1 pin of exclusion PR1 meets+5V.
9. the ray meter of measurement roentgen dose X according to claim 8, is characterized in that described first warning circuit (5) is made up of dual time base chip U3 and peripheral component stabilivolt D4, triode Q1, light emitting diode DS1-DS2, switch S 1, slide rheostat VR4-VR5, electric capacity C2-C3 and resistance R24-R29, input end 6 pin of described dual time base chip U3 is successively through resistance R24, slide rheostat VR4 meets the output terminal VDD1 of amplifier U1B, between 6 pin that electric capacity C2 is connected on dual time base chip U3 and ground, input end 8 pin of dual time base chip U3 is successively through resistance R26, slide rheostat VR5 connects the anode of stabilivolt D4, the negative electrode of stabilivolt D4 meets the output terminal VDD1 of amplifier U1B, output terminal 5 pin of dual time base chip U3 is successively through resistance R25, light emitting diode DS1 ground connection, output terminal 9 pin of dual time base chip U3 is successively through resistance R29, light emitting diode DS2 ground connection, the base stage of triode Q1 connects 9 pin of dual time base chip U3, the collector of triode Q1 connects 8 pin of dual time base chip U3, the grounded emitter of triode Q1, 4 pin of dual time base chip U3 are through switch S 1 ground connection, 10 pin of dual time base chip U3 meet the output terminal VDD1 of amplifier U1B through resistance R27, through resistance R28 ground connection after 2 pin of dual time base chip U3 are connected with 12 pin, 14 pin of dual time base chip U3 meet the output terminal VDD1 of amplifier U1B, electric capacity C3 is connected between the output terminal VDD1 of amplifier U1B and 12 pin of dual time base chip U3,
Described second warning circuit (7) is identical with the first warning circuit (5) structure; Described second warning circuit (7) is made up of dual time base chip U4 and peripheral component stabilivolt D5, triode Q2, light emitting diode DS3-DS4, switch S 2, slide rheostat VR9-VR10, electric capacity C4-C5 and resistance R30-R35; Input end 6 pin of described dual time base chip U4 meets the output terminal VDD2 of amplifier U2C successively through resistance R30, slide rheostat VR9, input end 8 pin of dual time base chip U4 connects the anode of stabilivolt D5 successively through resistance R33, slide rheostat VR10, the negative electrode of stabilivolt D5 meets the output terminal VDD2 of amplifier U2C.
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| CN201310059868.4A CN103163545B (en) | 2013-02-26 | 2013-02-26 | A kind of ray meter measuring roentgen dose X |
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| CN201310059868.4A CN103163545B (en) | 2013-02-26 | 2013-02-26 | A kind of ray meter measuring roentgen dose X |
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| CN103163545B true CN103163545B (en) | 2015-09-30 |
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| JP3749338B2 (en) * | 1997-03-19 | 2006-02-22 | 三菱電機株式会社 | Automatic testing equipment for radiation monitoring equipment |
| JP4987564B2 (en) * | 2007-05-22 | 2012-07-25 | 株式会社東芝 | Radiation surface contamination inspection apparatus and radiation surface contamination inspection method |
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| CN2075788U (en) * | 1989-09-12 | 1991-04-24 | 鲁格设计有限公司 | Dosimeter for ultraviolet radiation |
| CN101375181A (en) * | 2006-01-13 | 2009-02-25 | 托马斯·温福斯 | Device and arrangement for sensing and displaying radiation |
| CN201600459U (en) * | 2010-02-10 | 2010-10-06 | 陕西卫峰核电子有限公司 | Digital gamma radiation detector |
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