CN213275976U - Device for rapidly detecting protection equivalent of radiation protection material - Google Patents
Device for rapidly detecting protection equivalent of radiation protection material Download PDFInfo
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- CN213275976U CN213275976U CN202022143449.7U CN202022143449U CN213275976U CN 213275976 U CN213275976 U CN 213275976U CN 202022143449 U CN202022143449 U CN 202022143449U CN 213275976 U CN213275976 U CN 213275976U
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Abstract
The utility model discloses a device of short-term test radiation protection material protection equivalent, include: the casing, at least one limit board and detector, the casing includes curb plate and roof and encloses the inner chamber that closes formation by curb plate and roof, the roof top is provided with first opening, limit board and roof parallel arrangement, and limit board is located the inner chamber, be provided with the second opening with the coaxial setting of first opening on each limit board, second opening demountable installation lead sheet or detection sample, the detector sets up the bottom at the inner chamber, through protecting the contrast with detection sample and lead sheet, thereby judge the barrier propterty of detection sample, help the inspection to the radiation protection clothes in the daily use, avoid because of the sign is fuzzy, can't examine from the outward appearance because of reasons such as damage, and lead to medical personnel or the person who is examined has received and has exceeded anticipated radiation.
Description
Technical Field
The utility model relates to a radiation detection technology field, in particular to device of short-term test radiation protection material protection equivalent.
Background
With the extensive use of radiation devices in the medical field, accordingly, both the staff and the person to be examined need to be properly protected. The existing detection method needs to be carried out in a strict laboratory, but the medical institution can not carry out self-detection,
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a device of short-term test radiation protection material protection equivalent, can be convenient for use at medical institution with measuring the laboratory device simplification of radiation protection effect.
According to the utility model discloses an embodiment of the first aspect provides a device of short-term test radiation protection material protection equivalent, include: the detector comprises a shell, at least one beam limiting plate and a detector, wherein the shell comprises a side plate and a top plate and an inner cavity formed by the side plate and the top plate in a surrounding mode, a first opening is formed in the top of the top plate, the beam limiting plate is arranged in parallel with the top plate, the beam limiting plate is located in the inner cavity, a second opening is formed in the beam limiting plate and is coaxial with the first opening, a lead sheet or a detection sample is detachably mounted at the second opening, and the detector is arranged at the bottom of the inner cavity.
Has the advantages that: the device for rapidly detecting the protection equivalent of the radiation protection material comprises: the casing, at least one limit board and detector, the casing includes curb plate and roof and encloses the inner chamber that closes formation by curb plate and roof, the roof top is provided with first opening, limit board and roof parallel arrangement, and limit board is located the inner chamber, be provided with the second opening with the coaxial setting of first opening on each limit board, second opening part demountable installation lead sheet or detection sample, the detector sets up the bottom at the inner chamber, this device will measure the laboratory device simplification of radiation protection effect, through protecting the contrast with detection sample and lead sheet, thereby judge the barrier propterty of detection sample, help the inspection to the radiation protection clothes in the daily use, avoid because of the sign is fuzzy, unable follow outward appearance and examine because of reasons such as damage, and lead to medical personnel or the person under examination to have received and has surpassed anticipated radiation.
According to the utility model discloses the embodiment of the first aspect the device of short-term test radiation protection material protection equivalent, first opening is provided with additional filter, additional filter is used for blockking strong ray.
According to the utility model discloses a short-term test radiation protection material protects equivalent device, the quantity of board is restrainted to the limit is two, two about the board interval parallel arrangement is in the inner chamber, two all be provided with the second opening on the board is restrainted to the limit, and the second open area that is located the limit of below and restraints the board is greater than the second open area that the board was restrainted to the limit of top.
According to the utility model discloses the embodiment of the first aspect the device of short-term test radiation protection material protection equivalent, the detector is the geiger counter.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, an apparatus for rapidly detecting a protection equivalent of a radiation protection material includes: the detector comprises a shell 100, at least one beam limiting plate 300 and a detector 400, wherein the shell 100 comprises a side plate 110, a top plate 120 and an inner cavity 130 formed by enclosing the side plate 110 and the top plate 120, a first opening 121 is formed in the top of the top plate 120, the emitter 200 is detachably mounted at the top end of the shell 100, the emitter 200 emits rays to enter the inner cavity 130 from the first opening 121, an additional filter 122 is arranged in the first opening 121, the additional filter 122 is used for blocking strong rays, the beam limiting plate 300 is arranged in parallel with the top plate 120, the beam limiting plate 300 is located in the inner cavity 130, a second opening 310 which is coaxially arranged with the first opening 121 is formed in each beam limiting plate 300, a lead sheet or a detection sample is detachably mounted in the second opening 310, and the detector 400 is arranged at the bottom of the inner cavity 130.
Wherein, in specific use, the emitter 200 is mounted on the top end of the housing 100, and the emitter 200 emits the radiation from which first opening 121 enters the inner cavity 130. In this embodiment, the emitter 200 is an X-ray tube and the detector 400 is a geiger counter.
The X-ray machine bulb tube emits a certain amount of rays, after the rays pass through the additional filter 122, a reading is obtained on a Geiger counter at the bottom, and the reading is simulated to be an ionizing radiation value A in a machine room under the normal working condition; inserting a standard lead sheet, for example 0.5mm, wherein the reading obtained on a Geiger counter at the bottom under the same condition is the radiation value B1 after the lead sheet is protected, the number obtained by calculating 1-B1/A is the protection efficiency C1 of the lead sheet, replacing the standard lead sheet with a detection sample to be tested, the reading obtained on the Geiger counter at the bottom under the same condition is the radiation value B2 after the detected material is protected, the number obtained by calculating 1-B2/A is the protection efficiency of the detection sample, and comparing C1 with C2 to obtain the protection equivalent deviation value of the detection sample and the standard lead sheet. Wherein, the protection equivalent weight of the radiation protection material is compared with the standard lead sheet by the protection efficiency (blocking the amount of rays) of the protection material, and the unit of the protection equivalent weight is as follows: mmPb (millimeter lead equivalent).
In some embodiments, the number of the beam limiting plates 300 is two, the two beam limiting plates 300 are disposed in the inner cavity 130 at an interval in parallel up and down, the two beam limiting plates 300 are both provided with the second opening 310, and the area of the second opening 310 of the lower beam limiting plate 300 is larger than the area of the second opening 310 of the upper beam limiting plate 300.
This device of short-term test radiation protection material protection equivalent will measure the laboratory device simplification of radiation protection effect, protects the contrast through detecting sample and standard lead sheet to judge the barrier propterty of test sample, help the inspection to radiation protection clothes in the daily use, avoid because of the sign fuzzy, damaged reason such as and can't follow the outward appearance and examine, and lead to medical personnel or the person under examination to have received the radiation that exceeds expectation.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. A device for rapidly detecting the protection equivalent of a radiation protection material is characterized by comprising:
the radiation detector comprises a shell, a detector body and a detector, wherein the shell comprises a side plate, a top plate and an inner cavity formed by enclosing the side plate and the top plate, a first opening is formed in the top of the top plate, and the first opening is a radiation inlet;
the beam limiting plate is parallel to the top plate and located in the inner cavity, a second opening coaxial with the first opening is formed in each beam limiting plate, and a lead sheet or a detection sample is detachably mounted at the second opening; and
and the detector is arranged at the bottom of the inner cavity.
2. The apparatus for rapidly detecting the equivalent protection of a radioprotective material according to claim 1, wherein: an additional filter is arranged at the first opening and used for blocking strong rays.
3. The apparatus for rapidly detecting the equivalent protection of a radioprotective material according to claim 1, wherein: the number of the beam limiting plates is two, the two beam limiting plates are arranged in the inner cavity at intervals in parallel, second openings are formed in the two beam limiting plates, and the area of the second opening of the beam limiting plate positioned below is larger than that of the second opening of the beam limiting plate positioned above.
4. The apparatus for rapidly detecting the equivalent protection of a radioprotective material according to any one of claims 1 to 3, wherein: the detector is a Geiger counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143449.7U CN213275976U (en) | 2020-09-25 | 2020-09-25 | Device for rapidly detecting protection equivalent of radiation protection material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143449.7U CN213275976U (en) | 2020-09-25 | 2020-09-25 | Device for rapidly detecting protection equivalent of radiation protection material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213275976U true CN213275976U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022143449.7U Active CN213275976U (en) | 2020-09-25 | 2020-09-25 | Device for rapidly detecting protection equivalent of radiation protection material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213275976U (en) |
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2020
- 2020-09-25 CN CN202022143449.7U patent/CN213275976U/en active Active
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