CN102411151A - Device for measuring quantity of personal radioactive rays - Google Patents
Device for measuring quantity of personal radioactive rays Download PDFInfo
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- CN102411151A CN102411151A CN2011103955650A CN201110395565A CN102411151A CN 102411151 A CN102411151 A CN 102411151A CN 2011103955650 A CN2011103955650 A CN 2011103955650A CN 201110395565 A CN201110395565 A CN 201110395565A CN 102411151 A CN102411151 A CN 102411151A
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Abstract
The invention discloses a device for measuring quantity of personal radioactive rays. The device comprises a shell and a circuit board arranged in the shell, wherein, a G-M (Geiger-Muller) counter tube window is arranged at the side part of the shell; the circuit board comprises a singlechip, a liquid crystal display (LCD), a display driver, a G-M counter tube and a key switch; the output terminal of a step-up transformer is electrically connected with the input terminal of a rectifying and filtering circuit; the output terminal of the rectifying and filtering circuit is electrically connected with one end of the G-M counter tube; the other end of the G-M counter tube is electrically connected with the positive electrode of a third diode; the negative electrode of the third diode is electrically connected with one end of a third capacitor; the other end of the third capacitor is electrically connected with the base electrode of a triode; a fourth capacitor is electrically connected with the SCM; an alarm indication circuit comprises a light-emitting diode (LED) and a buzzer which are connected in parallel; the parallel circuit for the LED and the buzzer is electrically connected with the singlechip; and the G-M counter tube window is positioned outside the middle part of the G-M counter tube. The device disclosed by the invention has the advantages of high sensitivity and wide measurement range.
Description
Technical field
The invention belongs to nuclear radiation detection technique field, relate in particular to the quantity of radiation analyzer that a kind of individual of being convenient to carries.
Background technology
Along with the development of society, the application of nuclear technology, it has brought boundless vital force and happiness to human society, but has also brought disaster and fear to human society.Especially Japanese nuclear leakage incident is all extremely paid close attention to the whole mankind to radiomaterial.Thus, various individual quantity of radiation detecting instruments are launched respectively in the society, but exist the low 0.1 little west volt that can only measure at most of sensitivity generally.
Present individual quantity of radiation detecting instrument; Because the GM counter tube is arranged in shell, is enclosed construction, the radiant rays below 0.1 little west volt receives stopping of shell or absorbs; Thereby just do not detect the radiant rays below 0.1 little west volt; Sensitivity is low, and test specification is narrow, can not satisfy users' needs.
Summary of the invention
The object of the present invention is to provide a kind of highly sensitive and individual quantity of radiation analyzer that measurement range is wide.
The present invention realizes that the technical scheme of above-mentioned purpose is, a kind of individual quantity of radiation analyzer has housing and the wiring board that is arranged on enclosure interior; Its innovative point is: the sidepiece of said housing offers GM counter tube window, comprises single-chip microcomputer, LCD, display driver, GM counter tube and keyswitch on the said wiring board, and said single-chip microcomputer is electrically connected with display driver; Said display driver is electrically connected with LCD and the driving liquid crystal device shows that said keyswitch is electrically connected with the input end of step-up transformer, and the output terminal of said step-up transformer is electrically connected with single-chip microcomputer; The output terminal of said step-up transformer is electrically connected with the input end of current rectifying and wave filtering circuit; The output terminal of said current rectifying and wave filtering circuit is electrically connected with an end of GM counter tube, and the other end of GM counter tube is connected with the positive electrical of the 3rd diode, and the negative pole of the 3rd diode is electrically connected with an end of the 3rd electric capacity; The other end of the 3rd electric capacity is electrically connected with the base stage of triode; The collector of said triode is electrically connected with an end of the 4th electric capacity, the grounded emitter of said triode, and the other end of said the 4th electric capacity is electrically connected with single-chip microcomputer; Also comprise the warning indicating circuit; Said warning indicating circuit comprises light emitting diode and hummer, light emitting diode and hummer parallel connection, and the parallel circuit of said light emitting diode and hummer is electrically connected with single-chip microcomputer; Said GM counter tube window is positioned at the outside at GM counter tube middle part, the Vss end ground connection of said display driver.
The GM counter tube is selected 302 types or 304 types or 305 types or 705 types for use.
Also comprise reset key and selection key, an end of reset key is electrically connected with single-chip microcomputer, and an end of selection key is electrically connected with single-chip microcomputer, and the other end of reset key, the other end of selection key all are electrically connected and ground connection with the negative terminal of light emitting diode.
Said current rectifying and wave filtering circuit comprises first electric capacity, second electric capacity, first resistance, second resistance, the 3rd resistance, first diode and second diode; One end of said first electric capacity is electrically connected with the output terminal of step-up transformer; The other end of said first electric capacity is electrically connected with an end of second electric capacity; The other end of said second electric capacity is electrically connected with an end of first resistance; The other end of said first resistance is electrically connected with an end of second resistance; The other end of said second resistance is electrically connected with an end of the 3rd resistance, and the other end of said the 3rd resistance is connected with the positive electrical of first diode, the negative pole of said first diode is connected with the positive electrical of second diode, and the negative pole of said second diode is electrically connected with an end of GM counter tube.
The present invention uses the GM counter tube, and the sidepiece of said housing offers GM counter tube window, and said GM counter tube window is positioned at GM counter tube middle part; Radiant rays below 0.1 little west volt of trace can directly be received by the GM counter tube smoothly; Therefore, highly sensitive and measurement range is wide, adopt single-chip microcomputer, LCD, display driver, GM counter tube and keyswitch; The warning indicating circuit comprises light emitting diode; Light emitting diode is electrically connected with single-chip microcomputer, also comprises the warning indicating circuit, and said warning indicating circuit comprises light emitting diode and hummer; Light emitting diode and hummer parallel connection, and the parallel circuit of said light emitting diode and hummer is electrically connected with single-chip microcomputer.Also comprise reset key and selection key, reset key and selection key all are electrically connected with single-chip microcomputer, and circuit of the present invention is simple, and can select to measure dose value etc. voluntarily according to user's needs.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
Like Fig. 1, shown in 2, a kind of individual quantity of radiation analyzer has housing 4 and the wiring board that is arranged on housing 4 inside; The sidepiece of said housing 4 offers GM counter tube window 5, comprises single-chip microcomputer U1, LCD U3, display driver U2, GM counter tube 1 and keyswitch K1 on the said wiring board, and said single-chip microcomputer U1 is electrically connected with display driver U2; Said display driver U2 is electrically connected with LCD U3 and driving liquid crystal device U3 shows; Said keyswitch K1 is electrically connected with the input end of step-up transformer T1, and the output terminal of said step-up transformer T1 is electrically connected with single-chip microcomputer U1, and the output terminal of said step-up transformer T1 is electrically connected with the input end of current rectifying and wave filtering circuit 2; The output terminal of said current rectifying and wave filtering circuit 2 is electrically connected with an end of GM counter tube 3; The other end of GM counter tube 1 is connected with the positive electrical of the 3rd diode D3, and the negative pole of the 3rd diode D3 is electrically connected with an end of the 3rd capacitor C 3, and the other end of the 3rd capacitor C 3 is electrically connected with the base stage of triode Q1; The collector of said triode Q1 is electrically connected with an end of the 4th capacitor C 4; The grounded emitter of said triode Q1, the other end of said the 4th capacitor C 4 is electrically connected with single-chip microcomputer U1, also comprises the warning indicating circuit; Also comprise the warning indicating circuit; Said warning indicating circuit comprises light emitting diode D0 and hummer 3, light emitting diode D0 and hummer 3 parallel connections, and the parallel circuit of said light emitting diode D0 and hummer 3 is electrically connected with single-chip microcomputer U1; Said GM counter tube window 5 is positioned at the outside at GM counter tube 1 middle part, the Vss end ground connection of said display driver U2.
GM counter tube 3 is selected 302 types or 304 types or 305 types or 705 types for use.
Also comprise reset key K2 and selection key K3; The end of reset key K2 is electrically connected with single-chip microcomputer U1; The end of selection key K3 is electrically connected with single-chip microcomputer U1, resets all to be electrically connected and ground connection with the negative terminal of light emitting diode D0 by the other end of K2, the other end of selection key K3.
Said current rectifying and wave filtering circuit 2 comprises first capacitor C 1, second capacitor C 2, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the first diode D1 and the second diode D2; One end of said first capacitor C 1 is electrically connected with the output terminal of step-up transformer T1; The other end of said first capacitor C 1 is electrically connected with an end of second capacitor C 2; The other end of said second capacitor C 2 is electrically connected with an end of first resistance R 1; The other end of said first resistance R 1 is electrically connected with an end of second resistance R 2; The other end of said second resistance R 2 is electrically connected with an end of the 3rd resistance R 3, and the other end of said the 3rd resistance R 3 is connected with the positive electrical of the first diode D1, the negative pole of the said first diode D1 is connected with the positive electrical of the second diode D2, and the negative pole of the said second diode D2 is electrically connected with an end of GM counter tube 3.
When the present invention used, keyswitch K1 was a master switch, the 1.5V two joint dry cells of packing into; Behind step-up transformer T1, current rectifying and wave filtering circuit 2, give the GM counter tube 1 power supply, when the GM counter tube detects outside micro-radiation; Will produce signal and be sent to single-chip microcomputer U1, single-chip microcomputer U1 control display driver U2, warning dosage is set in display driver U2 driving liquid crystal screen U3 developer dose rate, integral dose, selection; Light emitting diode D0 is luminous; Buzzer warning can also come reset circuit through reset key K2, and selection key K3 selects different warning dose values; Get into the time of fire alarming in nuclear radiation district, select local dosage warning etc. in addition.
It is the chip of STM8L 101K3T6 that single-chip microcomputer U1 selects model for use, and it is the driver of HOLTEK HT1621B that display driver U2 selects model for use.
The present invention has satisfied users' needs, can detect the definite dose rate of in esse micro-nuclear radiation dosage, improves the sensitivity of nuclear radiation personal dose detector, enlarges sensing range, increases function, and very high resolution is arranged.
Claims (4)
1. individual quantity of radiation analyzer; Have housing (4) and be arranged on the inner wiring board of housing (4); It is characterized in that: the sidepiece of said housing (4) offers GM counter tube window (5); Comprise single-chip microcomputer (U1), LCD (U3), display driver (U2), GM counter tube (1) and keyswitch (K1) on the said wiring board, said single-chip microcomputer (U1) is electrically connected with display driver (U2), and said display driver (U2) is electrically connected with LCD (U3) and driving liquid crystal device (U3) shows; Said keyswitch (K1) is electrically connected with the input end of step-up transformer (T1); The output terminal of said step-up transformer (T1) is electrically connected with single-chip microcomputer (U1), and the output terminal of said step-up transformer (T1) is electrically connected with the input end of current rectifying and wave filtering circuit (2), and the output terminal of said current rectifying and wave filtering circuit (2) is electrically connected with an end of GM counter tube (1); The other end of GM counter tube (1) is connected with the positive electrical of the 3rd diode (D3); The negative pole of the 3rd diode (D3) is electrically connected with an end of the 3rd electric capacity (C3), and the other end of the 3rd electric capacity (C3) is electrically connected with the base stage of triode (Q1), and the collector of said triode (Q1) is electrically connected with an end of the 4th electric capacity (C4); The grounded emitter of said triode (Q1); The other end of said the 4th electric capacity (C4) is electrically connected with single-chip microcomputer (U1), also comprises the warning indicating circuit, and said warning indicating circuit comprises light emitting diode (D0) and hummer (3); Light emitting diode (D0) and hummer (3) parallel connection; And the parallel circuit of said light emitting diode (D0) and hummer (3) is electrically connected with single-chip microcomputer (U1), and said GM counter tube window (5) is positioned at the outside at GM counter tube (1) middle part, the Vss end ground connection of said display driver (U2).
2. individual quantity of radiation analyzer according to claim 1 is characterized in that: GM counter tube (3) is selected 302 types or 304 types or 305 types or 705 types for use.
3. individual quantity of radiation analyzer according to claim 1; It is characterized in that: also comprise reset key (K2) and selection key (K3); One end of reset key (K2) is electrically connected with single-chip microcomputer (U1); One end of selection key (K3) is electrically connected with single-chip microcomputer (U1), and the other end of the other end of reset key (K2), selection key (K3) all is electrically connected and ground connection with the negative terminal of light emitting diode (D0).
4. individual quantity of radiation analyzer according to claim 1; It is characterized in that: said current rectifying and wave filtering circuit (2) comprises first electric capacity (C1), second electric capacity (C2), first resistance (R1), second resistance (R2), the 3rd resistance (R3), first diode (D1) and second diode (D2); One end of said first electric capacity (C1) is electrically connected with the output terminal of step-up transformer (T1); The other end of said first electric capacity (C1) is electrically connected with an end of second electric capacity (C2); The other end of said second electric capacity (C2) is electrically connected with an end of first resistance (R1); The other end of said first resistance (R1) is electrically connected with an end of second resistance (R2); The other end of said second resistance (R2) is electrically connected with an end of the 3rd resistance (R3); The other end of said the 3rd resistance (R3) is connected with the positive electrical of first diode (D1), the negative pole of said first diode (D1) is connected with the positive electrical of second diode (D2), and the negative pole of said second diode (D2) is electrically connected with an end of GM counter tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103955650A CN102411151A (en) | 2011-12-03 | 2011-12-03 | Device for measuring quantity of personal radioactive rays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103955650A CN102411151A (en) | 2011-12-03 | 2011-12-03 | Device for measuring quantity of personal radioactive rays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102411151A true CN102411151A (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103955650A Pending CN102411151A (en) | 2011-12-03 | 2011-12-03 | Device for measuring quantity of personal radioactive rays |
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| CN (1) | CN102411151A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833997A (en) * | 2015-04-30 | 2015-08-12 | 陈立新 | Dosimeter used for detecting rays of medical electron linear accelerator |
| RU2755732C1 (en) * | 2021-03-18 | 2021-09-20 | Общество с ограниченной ответственностью «СофтЭксперт» | Method for controlling power supply circuit of gas-discharge geiger-muller counter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1455717A (en) * | 1972-12-20 | 1976-11-17 | Int Standard Electric Corp | Radiation dosimeter correction device housing for volatile materials for disseminaton |
| JPS54107791A (en) * | 1978-02-13 | 1979-08-23 | Matsushita Electric Ind Co Ltd | Radiation exposure detector |
| CN2528027Y (en) * | 2002-03-25 | 2002-12-25 | 南京金彩印刷包装厂 | Digital radioactive display using Geiger-Miller counter tube |
| KR20030043142A (en) * | 2001-11-27 | 2003-06-02 | 일진방사선 엔지니어링 (주) | A Portable Radiation Survey Meter and method of Measurement thereof |
| CN201096892Y (en) * | 2007-08-31 | 2008-08-06 | 中国辐射防护研究院 | Portable alpha, beta, gamma surface pollution measuring instrument |
| CN201804121U (en) * | 2010-07-02 | 2011-04-20 | 孔祥松 | Intelligent type personnel dosimeter |
-
2011
- 2011-12-03 CN CN2011103955650A patent/CN102411151A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1455717A (en) * | 1972-12-20 | 1976-11-17 | Int Standard Electric Corp | Radiation dosimeter correction device housing for volatile materials for disseminaton |
| JPS54107791A (en) * | 1978-02-13 | 1979-08-23 | Matsushita Electric Ind Co Ltd | Radiation exposure detector |
| KR20030043142A (en) * | 2001-11-27 | 2003-06-02 | 일진방사선 엔지니어링 (주) | A Portable Radiation Survey Meter and method of Measurement thereof |
| CN2528027Y (en) * | 2002-03-25 | 2002-12-25 | 南京金彩印刷包装厂 | Digital radioactive display using Geiger-Miller counter tube |
| CN201096892Y (en) * | 2007-08-31 | 2008-08-06 | 中国辐射防护研究院 | Portable alpha, beta, gamma surface pollution measuring instrument |
| CN201804121U (en) * | 2010-07-02 | 2011-04-20 | 孔祥松 | Intelligent type personnel dosimeter |
Non-Patent Citations (1)
| Title |
|---|
| 张文卿: "廉价辐射计数器", 《教学仪器与实验》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833997A (en) * | 2015-04-30 | 2015-08-12 | 陈立新 | Dosimeter used for detecting rays of medical electron linear accelerator |
| RU2755732C1 (en) * | 2021-03-18 | 2021-09-20 | Общество с ограниченной ответственностью «СофтЭксперт» | Method for controlling power supply circuit of gas-discharge geiger-muller counter |
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Application publication date: 20120411 |