CN1447343A - Protection plank for X-ray - Google Patents
Protection plank for X-ray Download PDFInfo
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- CN1447343A CN1447343A CN 03122354 CN03122354A CN1447343A CN 1447343 A CN1447343 A CN 1447343A CN 03122354 CN03122354 CN 03122354 CN 03122354 A CN03122354 A CN 03122354A CN 1447343 A CN1447343 A CN 1447343A
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- ray
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Abstract
This invention discloses a x-ray protection plate needed by building fixed installations and vehicle carriage at the same time when preventing x-rays effectively realized by the following steps: a polyurthane layer, a second A1 plate layer are designed under the first A1 plate layer which or the second A1 plate layer are set with a Pb plate layer, a third A1 plate layer orderly.
Description
Technical field
The present invention relates to a kind of protective materials, more particularly, relate to a kind of protective materials of medical facility.
Background technology
At present, all adopt the standard of the protective equipment of GB8279-87 " medical diagnosis X radial public health standard " X ray for the protective equipment of X ray: " newly-built X line machine room generally is not less than 24 square metres below 100 milliamperes; Be not less than 36 square metres more than 200 milliamperes; In the photography machine room useful wire harness towards wall the protective thickness of 2 millimeters lead equivalents should be arranged, other side walls and ceiling (tier building) should have the protective thickness of 1 millimeter lead equivalent, the wall of perspective machine room all should have the protective thickness of 1 millimeter lead equivalent ".Among the GJB1105-91 " army's medical diagnosis X radial radiation health protection standard " identical regulation is arranged also.More than regulation is that its standard itself does not meet the protection optimization criteria to the requirement of shelter of fixing buildings, more can not be used in the protection of the X-ray protection of interim medical fixation means and vehicle-mounted X-ray production apparatus.Interim medical fixation means is as if the needs that can not satisfy in time, build up fast by such standard protection; As if the protection that is used for vehicle-mounted X-ray production apparatus by such standard, the compartment is obviously overweight, can not satisfy the requirement of duties.
Summary of the invention
The objective of the invention is in order to overcome the deficiency that prior art exists, can satisfy the X-ray protection plate that makes up fixation means and vehicle-mounted needs when a kind of effective protection X ray is provided.
X-ray protection plate of the present invention is achieved by following technical proposals, is disposed with layer of polyurethane, second aluminum layer below first aluminum layer, and described first aluminum layer or second aluminum layer are disposed with stereotype layer, the 3rd aluminum layer.
The thickness of described stereotype layer is 0.5mm～2mm.
X-ray protection plate of the present invention has been filled up the blank that exists in the prior art, and the beneficial effect of this shielding material of the present invention is:
1. barrier propterty is good, the perspective condition (81KV, the ambient radiation level is 0.1～3.3 μ Sv/h in the time of 4.1mA); (the ambient radiation level is 2.2～27.5 μ Sv/h in the time of 5s) for 80KV, 43.2mA at photography conditions.
2. good stability is from structural behaviour: comprise that physical aspect, mechanical property, physical strength and processing technology all well satisfy stability requirement.
3. economical and practical, adopt lead, aluminum can accept economically; Plumbous aluminium composite shielding material promptly absorbs X ray, reduces surface scattering again, and practicality is fine.
Description of drawings
Fig. 1 is an X-ray protection plate structure synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As shown in Figure 1, set gradually first aluminum layer 1, layer of polyurethane 2, second aluminum layer 3, stereotype layer 4 and the 3rd aluminum layer 5 from inside to outside.Use tackifier bonding between second aluminum layer 3 and the 3rd aluminum layer 5 and the stereotype layer 4, for example can use that the import epoxy resin modification is gluing to be connect, use rivet to rivet simultaneously, adopts the bonding riveted joint that adds, can effectively prevent the stereotype sinking.Adopt traditional handicraft to carry out bonding between first aluminum layer 1 and second aluminum layer 3 and the layer of polyurethane 2.
Radioprotective final purpose is to reduce the suffered radiation dose of people, and GB4792-84 has stipulated that employee exposed to radiation's annual dose equivalent limit is 50mSv, determines the radiation level in the residing zone of employee exposed to radiation by the following method.Annual by the calculating of 50 weeks, then:
50mSv/a÷50w/a＝1mSv/w
The weekly dose equivalent limit value that is the residing zone of employee exposed to radiation is 1mSv.According to the relation of dose equivalent, absorbed dose and exposure, and satisfy the requirement of precision, weekly dose limit value P is expressed as 0.1R/w with exposure, i.e. 0.1 human relations weekly.GB4792-84 has stipulated that public personnel's annual dose equivalent limit is 5mSv, and by same reason, the outer radiation limit value of protective shield is defined as 0.01R/w.After having determined the radiation limit value inside and outside the protective shield, can the thickness of plumbous aluminium composite protective plate be calculated.According to the practical operation situation, determine the thickness of stereotype layer in the X-ray protection plate.The stereotype layer thickness can be chosen between the 0.5mm-2mm.
Claims (2)
1. an X-ray protection plate is disposed with layer of polyurethane, second aluminum layer below first aluminum layer, it is characterized in that, described first aluminum layer or second aluminum layer are disposed with stereotype layer, the 3rd aluminum layer.
2. X-ray protection plate according to claim 1 is characterized in that, the thickness of described stereotype layer is 0.5mm～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03122354 CN1204565C (en) | 2003-04-28 | 2003-04-28 | Protection plank for X-ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03122354 CN1204565C (en) | 2003-04-28 | 2003-04-28 | Protection plank for X-ray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1447343A true CN1447343A (en) | 2003-10-08 |
| CN1204565C CN1204565C (en) | 2005-06-01 |
Family
ID=28050562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03122354 Expired - Fee Related CN1204565C (en) | 2003-04-28 | 2003-04-28 | Protection plank for X-ray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1204565C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950590A (en) * | 2010-07-09 | 2011-01-19 | 江苏康众数字医疗设备有限公司 | Barrier plate for blocking high-energy ray radiation |
| CN102733542A (en) * | 2012-06-06 | 2012-10-17 | 中国电子科技集团公司第二十八研究所 | X-ray protection composite large plate, and motorized protection shelter produced therefrom |
| CN106073815A (en) * | 2016-08-15 | 2016-11-09 | 李志珍 | Medical X-ray factors for radiation shielding decorative integrated plate |
| CN109994236A (en) * | 2017-12-29 | 2019-07-09 | 中国核动力研究设计院 | A kind of integrated form shielding material composite construction |
| CN111276271A (en) * | 2019-10-17 | 2020-06-12 | 浙江大学 | Combined structure for shielding and absorbing x-ray |
-
2003
- 2003-04-28 CN CN 03122354 patent/CN1204565C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950590A (en) * | 2010-07-09 | 2011-01-19 | 江苏康众数字医疗设备有限公司 | Barrier plate for blocking high-energy ray radiation |
| CN102733542A (en) * | 2012-06-06 | 2012-10-17 | 中国电子科技集团公司第二十八研究所 | X-ray protection composite large plate, and motorized protection shelter produced therefrom |
| CN106073815A (en) * | 2016-08-15 | 2016-11-09 | 李志珍 | Medical X-ray factors for radiation shielding decorative integrated plate |
| CN109994236A (en) * | 2017-12-29 | 2019-07-09 | 中国核动力研究设计院 | A kind of integrated form shielding material composite construction |
| CN111276271A (en) * | 2019-10-17 | 2020-06-12 | 浙江大学 | Combined structure for shielding and absorbing x-ray |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1204565C (en) | 2005-06-01 |
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