CN206057589U - A kind of critical gamma Rays alarm - Google Patents
A kind of critical gamma Rays alarm Download PDFInfo
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- CN206057589U CN206057589U CN201621077248.9U CN201621077248U CN206057589U CN 206057589 U CN206057589 U CN 206057589U CN 201621077248 U CN201621077248 U CN 201621077248U CN 206057589 U CN206057589 U CN 206057589U
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Abstract
This utility model provides a kind of critical gamma Rays alarm, including a radiation detector, ARM motherboards are provided with the radiation detector, first probe process plate, second probe process plate, 3rd probe process plate and triggering of reporting to the police judge plate, the first probe process plate, popped one's head in first at second probe process plate and the 3rd probe process plate respectively, second probe and the 3rd probe interconnection, first probe process plate, interconnected with ARM motherboards at second probe process plate and the 3rd probe process plate respectively, the triggering of reporting to the police judges plate one end connection audible-visual annunciator, the other end is connected with the first probe process plate, second probe process plate and the 3rd probe process plate.The each module of main frame is designed as pluggable insertion slot type, easy to replace and maintain.Wall-mounted main frame adopt milling technique, compact conformation and it is tight, can meet IP65 protection energy level.
Description
Technical field
This utility model is related to gamma Rays monitoring technical field in nuclear equipment, especially a kind of critical gamma Rays
Alarm.
Background technology
It is so-called critical, refer to that nuclear reaction discharges neutron, so that nuclear fission reaction reaches
State.The neutron chain reaction controlled oneself or dissipate that the fissile material such as uranium or plutonium surprisingly occurs, if reaching a certain amount
A certain position is gathered in, critical state will be become, thus nuclear fission reaction can be occurred quickly, if this reaction loses control
System, causes the release of energy and radioactive substance, then it is believed that there occurs so-called nuclear critical accident.
Criticality accident may produce very serious impact, because this contingency may not have almost not having or at all
Shielded place occurs, and makes plant operator absorb a large amount of dosage.Even if reprocessing plant is provided with very thick barrier shield, also not
Be enough to avoid personnel's intake fatal dose.Factory itself it is also possible to suffer badly damaged dangerous, not to mention to the public and
What business connection was produced have impact on.Therefore the generation of nuclear critical accident is prevented, in many relevant units for being related to easy fissioner,
It is even more important.
In view of the importance of marginal devices, State Bureau of Nuclear Safety according to《Civilian nuclear equipment safety supervision management regulations》, it is right
What on December 29th, 2007 announced《Civilian nuclear safety facility inventory (first)》It is changed to《Civilian nuclear safety facility inventory
(2016)》, print and distribute with April 8th, 2016.Criticality alarm equipment is classified as fcf reprocessing plant by the catalogue
Specific core safety equipment (safe level 1E level), it is desirable to design and system that nuclear safety office issues were not obtained before 30 days June in 2017
The enterprise of licence is made, must not continue to be engaged in the design and manufacture of corresponding civilian nuclear safety equipment.
The domestic criticality alarm equipment for still not having safe level at present, thus according to Standard after renewal develop it is reliable,
Stable core criticality alarm system simultaneously obtains design and the manufacturing license of nuclear safety office, and it is very necessary to plug a gap in time
, with very important security implications and social meaning.
Therefore, based on above safety factorss and national policy demand, develop a instrument for meeting criticality accident warning.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of critical gamma Rays alarm.
The technical solution adopted in the utility model is：
A kind of critical gamma Rays alarm, including
One radiation detector, is provided with the radiation detector at ARM motherboards, the first probe process plate, the second probe
Reason plate, the 3rd probe process plate and triggering of reporting to the police judge plate, the first probe process plate, the second probe process plate and the 3rd
Interconnected with the first probe, the second probe and the 3rd probe at probe process plate respectively, at the first probe process plate, the second probe
Interconnected with ARM motherboards at reason plate and the 3rd probe process plate respectively, the triggering of reporting to the police judges plate one end connection sound and light alarm
Device, the other end are connected with the first probe process plate, the second probe process plate and the 3rd probe process plate.
Further, the audible-visual annunciator is connected with second source, and the second source is described together with the first power supply
Radiation detector is powered.
Further, the ARM motherboards are provided with ARM core boards, SD card and network interface.
Further, the ARM motherboards are connected with serial ports screen, and the serial ports screen is arranged on radiation detector.
Further, red led, yellow indicator lamp, green indicating lamp and loudspeaker are provided with the audible-visual annunciator
.
This utility model beneficial effect is：To ensure the accuracy of energy response and angular response, detector is designed as cylinder
Type, using Stainless Steel Shell, 3 road detectors are fixed by mounting base.
The each module of main frame is designed as pluggable insertion slot type, easy to replace and maintain.Wall-mounted main frame adopts milling technique, knot
Structure is compact and tight, can meet IP65 protection energy levels.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Specific embodiment
Describe this utility model, here signal of the present utility model below in conjunction with accompanying drawing and specific embodiment in detail
Property embodiment and explanation for explaining this utility model, but be not intended as to restriction of the present utility model.
Reference Fig. 1, the utility model discloses a kind of critical gamma Rays alarm, including
One radiation detector 1, is provided with the probe process plate 10, second of ARM motherboards 3, first and visits on the radiation detector 1
Head process plate the 11, the 3rd probe process plate 12 and triggering of reporting to the police judge plate 5, and the first probe process plate 10, second is popped one's head in
Interconnected with first probe the 13, second probe 14 and the 3rd probe 15 at process plate 11 and the 3rd probe process plate 12 respectively, the
Interconnected with ARM motherboards 3 at the one probe probe of process plate 10, second process plate 11 and the 3rd probe process plate 12 respectively, it is described
Triggering of reporting to the police judges 5 one end of plate connection audible-visual annunciator 6, and the first probe probe of process plate 10, second process plate 11 and the 3rd is visited
Head process plate 12, the triggering of reporting to the police judge to be provided with button at plate 5.The audible-visual annunciator 6 is connected with second source 7, should
Second source 7 is powered for described radiation detector 1 together with the first power supply 8.The ARM motherboards 3 are provided with ARM core boards
33rd, SD card 32 and network interface 31.The ARM motherboards 3 are connected with serial ports screen 2, and the serial ports screen 2 is arranged on radiation detector 1.
Red led, yellow indicator lamp, green indicating lamp and loudspeaker are provided with the audible-visual annunciator 6.
Specifically operation principle is：First probe the 13, second probe 14 and the 3rd probe 14 are being irradiated by gamma-rays
When, the effects such as luminous/ionization can be internally produced, faint light/weak current that the effect sends is strong with irradiated gamma-rays
Degree has certain relation, by photovoltaic collectors part, the slight photo-electric signal for representing radiant intensity is converted and is amplified, and formation can be with
The collected signal of telecommunication, then the signal of telecommunication is acquired by processor, conversion obtains radiant intensity information, and with numeral letter
Number (RS485) form is sent to main frame.
In collection, first probe the 13, second probe 14 and the 3rd probe 15 will represent radiant intensity by RS485
Data are transmitted separately to the logic arrange in first the 10, second probe of probe process plate process plate 11 and the 3rd probe process plate 12
The radiant intensity information of input is compared by unit, each logical block with predetermined threshold value, and warning mark is sent if more than threshold value
Know, warning mark is delivered to warning triggering and judges that plate 5 is judged, obtains alarm signal and delivers to audible-visual annunciator 6, each logical block
When receiving detection information, while the information is transmitted to ARM motherboards 3 by MAX232, main frame is made up of ARM cores, is led to
Database Systems are crossed, alarm event information can be inquired about, the information of each alert event is stored, and USB can be passed through
Port exports to data on mobile memory medium, real time data can also be uploaded to calculating by network or RS485 modes
Machine.
In this utility model, radiation detector 1 is designed with 3 passages while detecting criticality accident.Both adopted first
It is considered if only 1 Air conduct measurement to criticality accident in probe the 13, second probe 14 and the 3rd 15,3 passages of probe
Glitch, instrument will not send warning.If have 2 or 2 to be detected simultaneously by criticality accident with upper channel, logical block and
Alarm unit just sends alarm signal, and spurious alarm is reduced to minimum in this approach.Additionally, in 3 passages, any one passage
Failure, radiation detector 1 only send fault cues information, and radiation detector 1 is remained able to detect criticality accident and reported
It is alert.
Above the technical scheme disclosed in this utility model embodiment is described in detail, it is used herein specifically
Embodiment is set forth to the principle and embodiment of this utility model embodiment, and the explanation of above example is only applicable to
Help understands the principle of this utility model embodiment；Simultaneously for one of ordinary skill in the art, according to this utility model reality
Example is applied, be will change in specific embodiment and range of application, in sum, this specification content should not be understood
It is to restriction of the present utility model.
Claims (5)
1. a kind of critical gamma Rays alarm, it is characterised in that include
One radiation detector, be provided with the radiation detector ARM motherboards, first probe process plate, second probe process plate,
3rd probe process plate and triggering of reporting to the police judge plate, the first probe process plate, the second probe process plate and the 3rd probe
Interconnected with the first probe, the second probe and the 3rd probe at process plate respectively, the first probe process plate, the second probe process plate
With the 3rd probe process plate at respectively with ARM motherboards interconnect, it is described report to the police triggering judge plate one end connect audible-visual annunciator, separately
One end is connected with the first probe process plate, the second probe process plate and the 3rd probe process plate.
2. critical gamma Rays alarm according to claim 1, it is characterised in that the audible-visual annunciator is connected with
Second source, the second source are that described radiation detector is powered together with the first power supply.
3. critical gamma Rays alarm according to claim 1, it is characterised in that the ARM motherboards are provided with
ARM core boards, SD card and network interface.
4. the critical gamma Rays alarm according to claim 1 or 3, it is characterised in that the ARM motherboards connection
There is serial ports screen, the serial ports screen is arranged on radiation detector.
5. critical gamma Rays alarm according to claim 1 and 2, it is characterised in that on the audible-visual annunciator
It is provided with red led, yellow indicator lamp, green indicating lamp and loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077248.9U CN206057589U (en) | 2016-09-25 | 2016-09-25 | A kind of critical gamma Rays alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077248.9U CN206057589U (en) | 2016-09-25 | 2016-09-25 | A kind of critical gamma Rays alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206057589U true CN206057589U (en) | 2017-03-29 |
Family
ID=58367458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621077248.9U Active CN206057589U (en) | 2016-09-25 | 2016-09-25 | A kind of critical gamma Rays alarm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231222A (en) * | 2017-12-21 | 2018-06-29 | 中核北方核燃料元件有限公司 | One seed nucleus criticality alarm system time of fire alarming verifies device and method |
| CN112907914A (en) * | 2021-02-09 | 2021-06-04 | 陕西卫峰核电子有限公司 | Nuclear criticality alarm system and alarm method thereof |
-
2016
- 2016-09-25 CN CN201621077248.9U patent/CN206057589U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231222A (en) * | 2017-12-21 | 2018-06-29 | 中核北方核燃料元件有限公司 | One seed nucleus criticality alarm system time of fire alarming verifies device and method |
| CN108231222B (en) * | 2017-12-21 | 2019-09-17 | 中核北方核燃料元件有限公司 | One seed nucleus criticality alarm system time of fire alarming verifies device and method |
| CN112907914A (en) * | 2021-02-09 | 2021-06-04 | 陕西卫峰核电子有限公司 | Nuclear criticality alarm system and alarm method thereof |
| CN112907914B (en) * | 2021-02-09 | 2022-01-25 | 陕西卫峰核电子有限公司 | Nuclear criticality alarm system and alarm method thereof |
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