CN202494783U - Handheld passive neutron counter - Google Patents

Handheld passive neutron counter Download PDF

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Publication number
CN202494783U
CN202494783U CN2012200514302U CN201220051430U CN202494783U CN 202494783 U CN202494783 U CN 202494783U CN 2012200514302 U CN2012200514302 U CN 2012200514302U CN 201220051430 U CN201220051430 U CN 201220051430U CN 202494783 U CN202494783 U CN 202494783U
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CN
China
Prior art keywords
neutron
counter
measurement
chip microcomputer
module
Prior art date
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Active
Application number
CN2012200514302U
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Chinese (zh)
Inventor
祝利群
蒙延泰
王效忠
尹洪河
卢文广
柏磊
贾向军
顾少刚
邵婕文
王勉
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China Institute of Atomic of Energy
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China Institute of Atomic of Energy
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Publication date
Application filed by China Institute of Atomic of Energy filed Critical China Institute of Atomic of Energy
Priority to CN2012200514302U priority Critical patent/CN202494783U/en
Application granted granted Critical
Publication of CN202494783U publication Critical patent/CN202494783U/en
Active legal-status Critical Current
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Abstract

The utility model relates to neutron measurement technologies, and specifically relates to a handheld passive neutron counter. The structure of the neutron counter comprises a signal input module and a power supply module which are connected with a single chip microcomputer CPU. A liquid crystal display and a key device which are connected with the single chip microcomputer CPU are arranged on the front of the neutron counter, and the single chip microcomputer CPU is further connected with a communication module which is used for implementing computer communication. Additionally, the neutron counter is further provided with a memory and a timing module which are connected with the single chip microcomputer CPU. The neutron counter of the utility model has advantages of a small size, light weight and easy carry. Neutron measurement parameter setting and measurement control can be performed directly through keys on the counter, besides the neutron measurement parameter setting and the measurement control are controlled through computer connection. The neutron counter is easy to operate, and is suitable for field inspection and field measurement of nuclear material emergencies.

Description

Hand-hold passive neutron counting appearance
Technical field
The utility model relates to the neutron measurement technology, is specifically related to a kind of hand-hold passive neutron counting appearance.
Background technology
Nuclear material neutron measurement device generally adopts special-purpose neutron shift counter both at home and abroad at present; Carry out the measurement parameter setting graphic data collection of going forward side by side through guidance panel or computer; Volume is bigger, total neutron with meet that the neutron measurement pattern is the same uses identical shift counter.Use existing special-purpose neutron shift counter to have following defective usually: (1) volume is bigger, carries inconvenience; (2) generally need external power supply; (3) data can only be read in real time, and when breaking down as if computer, data can not be preserved.For nuclear material accident in-site measurement, existing neutron shift counter is poor to the situation adaptibility to response that the various conditions that are unfavorable for measuring all possibly exist.
The utility model content
The purpose of the utility model is to provide a kind of and be easy to carry to the defective of existing neutron shift counter, is applicable to the hand-hold passive neutron counting appearance of on-site inspection and nuclear material accident in-site measurement.
The technical scheme of the utility model is following: a kind of hand-hold passive neutron counting appearance; Comprise the signal input module and the power module that are connected with singlechip CPU; The front of neutron counting appearance is provided with LCD and the key device that is connected with singlechip CPU, singlechip CPU also be used to realize being connected with the communication module of compunication.
Further, aforesaid hand-hold passive neutron counting appearance wherein, also is provided with the storer that is connected with singlechip CPU.
Further, aforesaid hand-hold passive neutron counting appearance wherein, also is provided with the time block that is connected with singlechip CPU.
Further, aforesaid hand-hold passive neutron counting appearance, wherein, described power module comprises feed circuit and the chargeable storage suitable with civil power.
The beneficial effect of the utility model is following:
(1) volume is little, and is in light weight, is easy to carry;
(2) except that connecting the control, can directly carry out the setting of neutron measurement parameter and measure control through the button on the calculating instrument through computer, easy and simple to handle;
(3) calculating instrument can keep measurement data, and power down is not lost yet, and treats suitable the time to read with computer to get final product;
(4) can under the situation of no external power source, work, device can use battery-operated.
Description of drawings
Fig. 1 is that the structure of the utility model is formed theory diagram;
Fig. 2 is the product Facad structure synoptic diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
As shown in Figure 1; The major function of the hand-hold passive neutron counting appearance that the utility model provided is to measure the neutron counting signal of setting-up time and cycle index; Comprise the signal input module and the power module that are connected with singlechip CPU; The front of neutron counting appearance is provided with the LCD that is connected with singlechip CPU 1 and key device 2 (see figure 2)s, singlechip CPU also be used to realize being connected with the communication module of compunication.In addition, this neutron counting appearance also is provided with nonvolatile memory and the time block that is connected with singlechip CPU.In the specific embodiment, the product appearance of hand-hold passive neutron counting appearance is as shown in Figure 2.
Wherein, power module except that comprise with the suitable feed circuit of civil power (can directly supply power) by civil power, also be provided with chargeable storage, be convenient under the situation of no external power supply, instrument also can operate as normal.Key device is realized the functions such as setting, measurement start and stop control and data query of parameter, and the pairing instruction definition of each button is in singlechip CPU.Time block is realized accurate 1 second regularly.LCD is used for display parameter and shows measurement data in real time.Non-volatile memory storage measurement parameter and data measured, it has the function that power down is preserved, and the data that are kept at are not wherein lost under power-down conditions.Communication module realization singlechip CPU is communicated by letter with computing machine.Singlechip CPU is the core and the brain of instrument, accomplishes computing and control.
Signal input module provides bnc interface, and input signal (pulse signal) is linked to each other with single-chip microcomputer through load module by concentric cable.What communication module adopted is the RS232 interface of using always, is made up of MAX232 chip and peripheral circuit thereof, is connected with single-chip microcomputer on the one hand, draws interface through three-way mode (send out, receive ground) on the other hand and is connected with computer.Computing machine is connected with single-chip microcomputer through communication module, carries out communication, go forward side by side line parameter setting and measurement control.
Do not connect under the situation of computing machine, the neutron counting appearance carries out parameter setting (whether PORT COM, gate time, data preserve) through button; After starting was measured, record elapsed time, LCD showed the neutron signal that measures in real time, and Measuring Time arrives, and stopped this circulation, and the neutron counting that collects is saved in the nonvolatile memory.Regularly zero clearing starts another time round-robin and measures, and is identical with parameter setting values until cycle index, finishes then to measure.Also can stop to measure through button at any time during the course.But the measurement data power down is preserved, and can inquire about through button, also can be read by computing machine through being connected with computing machine.
When connecting computing machine, can carry out the parameter setting and measure control through computing machine, carry out neutron counting data acquisition and demonstration by computer real-time.
The specific product size of this hand-hold passive neutron counting appearance (length * wide * height) is 160mm * 80mm * 27mm; Power supply is independent; Easy to carry, easy and simple to handle, being specially adapted to the uncertain situation of measurement environment such as nuclear material emergence measuring (maybe be in the open air; No mains powered, or do not have the computer connection).
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technology thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.

Claims (4)

1. hand-hold passive neutron counting appearance; Comprise the signal input module and the power module that are connected with singlechip CPU; It is characterized in that: the front of neutron counting appearance is provided with LCD and the key device that is connected with singlechip CPU, singlechip CPU also be used to realize being connected with the communication module of compunication.
2. hand-hold passive neutron counting appearance as claimed in claim 1 is characterized in that: also be provided with the storer that is connected with singlechip CPU.
3. hand-hold passive neutron counting appearance as claimed in claim 1 is characterized in that: also be provided with the time block that is connected with singlechip CPU.
4. like claim 1 or 2 or 3 described hand-hold passive neutron counting appearance, it is characterized in that: described power module comprises feed circuit and the chargeable storage suitable with civil power.
CN2012200514302U 2012-02-17 2012-02-17 Handheld passive neutron counter Active CN202494783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200514302U CN202494783U (en) 2012-02-17 2012-02-17 Handheld passive neutron counter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200514302U CN202494783U (en) 2012-02-17 2012-02-17 Handheld passive neutron counter

Publications (1)

Publication Number Publication Date
CN202494783U true CN202494783U (en) 2012-10-17

Family

ID=47001006

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200514302U Active CN202494783U (en) 2012-02-17 2012-02-17 Handheld passive neutron counter

Country Status (1)

Country Link
CN (1) CN202494783U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103472478A (en) * 2013-09-29 2013-12-25 中核能源科技有限公司 System and method for automatically drawing nuclear power station neutron dose equivalent rate distribution diagram

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103472478A (en) * 2013-09-29 2013-12-25 中核能源科技有限公司 System and method for automatically drawing nuclear power station neutron dose equivalent rate distribution diagram

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