CN111806331B - High-purity germanium spectrometer mounting structure of passenger car mobile laboratory - Google Patents
High-purity germanium spectrometer mounting structure of passenger car mobile laboratory Download PDFInfo
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- CN111806331B CN111806331B CN202010707722.6A CN202010707722A CN111806331B CN 111806331 B CN111806331 B CN 111806331B CN 202010707722 A CN202010707722 A CN 202010707722A CN 111806331 B CN111806331 B CN 111806331B
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- purity germanium
- liquid nitrogen
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- passenger car
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
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- Transportation (AREA)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention discloses a high-purity germanium spectrometer installation structure of a passenger car mobile laboratory. The device comprises a vertical mounting support, a lead chamber and a liquid nitrogen tank, wherein the lead chamber is fixed at the top of the vertical mounting support, the liquid nitrogen tank is connected inside the vertical mounting support in a sliding manner, the vertical mounting support is mounted on a carriage bottom plate of a passenger car in the middle, the lead chamber is located above the carriage bottom plate, a high-purity germanium probe is arranged in the lead chamber, and the bottom end of the high-purity germanium probe can extend into the liquid nitrogen tank. The vertical mounting bracket successfully moves the high-purity germanium spectrometer used in the ground laboratory onto a bus, and is used as main equipment for measuring and analyzing a nuclear accident emergency monitoring mobile laboratory.
Description
Technical Field
The invention belongs to the technical field of high-purity germanium spectrometer application, and particularly relates to a high-purity germanium spectrometer installation structure of a passenger car mobile laboratory.
Background
The existing high-purity germanium spectrometer is too heavy due to the fact that a matched lead chamber is too heavy, and the mass center is too high, if the high-purity germanium spectrometer is applied to a movable laboratory, the mass center of the whole vehicle is too high due to the fact that the installation position of the lead chamber is too high and the lead chamber is too heavy, the movable laboratory is bumpy when meeting in the running process, and the vehicle is unstable, so that safety accidents are caused. The existing high-purity germanium spectrometers are only suitable for ground laboratories, are blank in nuclear accident emergency monitoring mobile laboratories refitted by buses as matrixes, and have no similar structure.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-purity germanium spectrometer installation structure for a passenger car mobile laboratory.
The technical scheme adopted by the invention is as follows: the utility model provides a passenger train mobile laboratory high-purity germanium spectrometer mounting structure, includes vertical installing support, plumbous room and liquid nitrogen and irritates, plumbous room is fixed in vertical installing support top, but liquid nitrogen irritates the sliding connection that rises or descends in inside the vertical installing support, vertical installing support mid-mounting is on passenger train carriage bottom plate, plumbous room is located carriage bottom plate top, be equipped with high-purity germanium probe in the plumbous room, high-purity germanium probe bottom can stretch into liquid nitrogen and irritate inside.
Further preferred structure, vertical installing support includes stand, chassis and car bottom plate connecting piece, car bottom plate connecting piece is the rectangle frame and encloses the upper portion in locating the stand outer wall.
Further preferably, the vertical mounting bracket is mounted between two girders of a chassis of a passenger car in the trunk through a connecting piece of the bottom plate of the car.
Further preferably, the liquid nitrogen tank comprises a tank body, the top of the tank body is provided with a tank opening, a sealing cover plate is arranged above the tank opening, the sealing cover plate seals the tank opening, and the high-purity germanium probe can penetrate through the sealing cover plate and then extend into the liquid nitrogen tank.
Further preferred structure, be equipped with first bumper shock absorber subassembly between vertical installing support and the carriage bottom plate.
Further preferably, the first damper component is attached to the floor.
Further preferred structure, the first bumper shock absorber subassembly includes fixed plate and backing plate, the fixed plate includes first clamp plate and second clamp plate, first clamp plate and second clamp plate mutually perpendicular connect, and first clamp plate is fixed in on the stand lateral wall, the second clamp plate is fixed in on the carriage bottom plate, the backing plate is located between second clamp plate and the carriage bottom plate.
Further preferably, the liquid nitrogen tank is driven by a lifter, the lifter is electrically connected with a lifter control unit, and the lifter control unit is fixed on the inner side wall of the vertical mounting bracket.
In a further preferred structure, the bottom of the liquid nitrogen tank is provided with a second shock absorber component.
In a further preferable structure, the top of the lead chamber is provided with a lead chamber door which can be opened and closed.
The invention discloses an application of a vertical mounting bracket in a mobile laboratory for emergency monitoring of nuclear accidents by refitting a bus, which is mainly used for mounting and fixing a high-purity germanium spectrometer by taking a chassis of the bus as a matrix.
The invention is applied to a mobile laboratory for emergency monitoring of the nuclear accident of the refitted bus, and is provided with an emergency monitoring means suitable for emergency monitoring work for effectively carrying out the emergency monitoring of the radiation environment and accurately evaluating the radiation pollution of the nuclear accident to the environment, thereby comprehensively enhancing the construction of the emergency monitoring capability of the radiation environment. The vertical mounting bracket successfully moves the high-purity germanium spectrometer used in the ground laboratory onto a bus, and is used as main equipment for measuring and analyzing a nuclear accident emergency monitoring mobile laboratory.
The beneficial effects of the invention are as follows:
1. the vertical mounting bracket is arranged on a motor coach chassis refitting nuclear accident emergency monitoring mobile laboratory with a trunk;
2. the vertical mounting bracket is arranged between two girders of the automobile, above the carriage bottom plate, the center of mass of the whole automobile moves downwards, so that the reliability, safety and stability of the automobile in the running process are ensured, and the mounting is convenient;
3. the liquid nitrogen tank is provided with a lifter, and the lifter can be lifted through a lifter control unit, so that the replacement and the operation are convenient;
4. the vertical mounting bracket and the liquid nitrogen tank are both provided with shock absorbers, so that the stability, reliability and safety of the measurement and analysis data of the high-purity germanium spectrometer are ensured;
5. the high-purity germanium probe is inserted into the liquid nitrogen tank from the top of the lead chamber, and the operation is simple, convenient and safe;
6. the vertical mounting bracket fully utilizes the mounting space of the motor coach, and is divided into an upper part and a lower part through the carriage bottom plate, so that the operation space is large, and the equipment is convenient to operate;
7. the measurement and analysis data of the high-purity germanium spectrometer can be checked and extracted through computer software.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a schematic cross-sectional view of the high purity germanium spectrometer operation A-A;
fig. 5 is an enlarged partial view of the first shock absorber assembly.
The device comprises a 1-lead chamber, a 2-vertical mounting bracket (2-1-upright post, 2-2-underframe), a 3-automobile bottom plate connecting piece, a 4-carriage bottom plate, a 5-sealing cover plate, a 6-lifter control unit, a 7-liquid nitrogen tank (7-1-tank body and 7-2-tank opening), an 8-lifter, a 9-high-purity germanium probe, a 10-first shock absorber component (10-1-fixing plate, a 10-2-base plate, a 10-3-first pressing plate, a 10-4-second pressing plate), a 11-second shock absorber component, a 12-lead chamber door and a 13-bracket.
Detailed Description
The invention will now be described in further detail with reference to the drawings and specific examples, which are given for clarity of understanding and are not to be construed as limiting the invention.
As shown in fig. 1-5, the invention comprises a vertical mounting bracket 2, a lead chamber 1 and a liquid nitrogen tank 7, wherein the lead chamber 1 is fixed at the top of the vertical mounting bracket 2, the liquid nitrogen tank 7 is positioned inside the vertical mounting bracket 2 and is driven to ascend or descend by a lifter 8, the middle part of the vertical mounting bracket 2 is mounted on a carriage bottom plate 4 of a passenger car, the lead chamber 1 is positioned above the carriage bottom plate 4, a high-purity germanium probe 9 is arranged in the lead chamber 1, and the bottom end of the high-purity germanium probe 9 can extend into the liquid nitrogen tank 7.
The vertical mounting bracket 2 comprises a vertical column 2-1, a bottom frame 2-2 and an automobile bottom plate connecting piece 3, wherein the automobile bottom plate connecting piece 3 is a rectangular frame and is arranged on the middle upper part of the outer wall of the vertical column 2-1 in a surrounding mode. The vertical mounting bracket 2 is arranged between two girders of a chassis of a passenger car in the trunk through a connecting piece 3 of the bottom plate of the car.
The liquid nitrogen tank 7 comprises a tank body 7-1, a tank opening 7-2 is arranged at the top of the tank body 7-1, a sealing cover plate 5 is arranged above the tank opening 7-2, the tank opening 7-2 is sealed by the sealing cover plate 5, and a high-purity germanium probe 9 can extend into the liquid nitrogen tank 7 after penetrating out of the sealing cover plate 5.
A first shock absorber assembly 10 is provided between the upright mounting bracket 2 and the floor 4. The first shock absorber assembly 10 is snugly secured to the floor 4. The first damper assembly 10 includes a fixing plate 10-1 and a backing plate 10-2, the fixing plate 10-1 includes a first pressing plate 10-3 and a second pressing plate 10-4, the first pressing plate 10-3 and the second pressing plate 10-4 are connected vertically to each other, the first pressing plate 10-3 is fixed on the outer side wall of the upright post 2-1, the second pressing plate 10-4 is fixed on the carriage bottom plate 4, and the backing plate 10-2 is located between the second pressing plate 10-4 and the carriage bottom plate 4.
The lifter 8 is driven by the lifter control unit 6, the lifter control unit 6 is fixed on the inner side wall of the vertical mounting bracket 2, the liquid nitrogen tank 7 is arranged on the bracket 13, the bracket 13 is connected on a sliding rail (not shown in the figure) in a sliding way, and the lifter 8 drives the lifting or descending way.
The bottom of the liquid nitrogen tank 7 is provided with a second shock absorber component 11.
The top of the lead chamber 1 is provided with a lead chamber door 12 which can be opened and closed.
The lead chamber 1 is positioned close to the carriage bottom plate 4, the gravity center is close to the chassis of the vehicle, the center of mass of the whole vehicle is positioned at a safe and stable position, the vertical mounting bracket 2 is provided with the first shock absorber component 10, the first shock absorber component 10 is attached to the carriage bottom plate 4, and the whole device has a shock absorption effect. The supporting liquid nitrogen of high purity germanium spectrometer is irritated 7, through operating riser control unit 6, makes riser 8 action, accomplishes lift and the change work that liquid nitrogen irritated 7, and liquid nitrogen irritates 7 and is furnished with second shock absorber subassembly 11, guarantees that high purity germanium spectrometer does not receive external force influence when measuring, analysis, guarantees stability, reliability, the security of measurement, analysis data.
The working principle of the invention is as follows: because the lead chamber 1 is positioned close to the carriage bottom plate 4, the upper part of the lead chamber is far away from the top of the carriage, the high-purity germanium probe 9 is only required to be inserted into the liquid nitrogen tank from the top of the lead chamber, after the liquid nitrogen tank 7 is lifted to the highest point by operating the lifter control unit 6, the sealing cover plate 5 of the high-purity germanium vertical mounting bracket and the lead chamber door plate 12 on the lead chamber 1 are opened, the high-purity germanium probe 9 is inserted into the liquid nitrogen tank 7 from the top of the lead chamber 1, the sealing cover plate 5 and the lead chamber door plate 12 are closed respectively, the measuring and analyzing work can be carried out after the signal wire and the power wire of the high-purity germanium probe 9 are connected, and the measured and analyzed data can be checked and extracted through computer software.
The invention successfully moves the high-purity germanium spectrometer used in the ground laboratory to the vehicle as main measuring and analyzing equipment of the nuclear accident emergency monitoring mobile laboratory, the vertical mounting bracket is used as a whole for mounting, the mounting is simple and convenient, the lead chamber is arranged at the position close to the upper part of the carriage bottom plate, the gravity center is close to the carriage bottom plate, the position of the center of mass of the whole vehicle is ensured to be at a safe position, the lifter and the liquid nitrogen tank are arranged in the luggage box under the carriage bottom plate, the space of the mobile laboratory is fully utilized, the convenience of replacing the liquid nitrogen tank is ensured, the damping device is arranged, and the whole vehicle is more stable, reliable and safe, and the equipment is convenient to operate. Therefore, three problems of motion fixation, motion damping and stability, reliability and safety of motion measurement analysis data are solved.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (8)
1. A passenger train mobile laboratory high-purity germanium spectrometer mounting structure, its characterized in that: the device comprises a vertical mounting bracket (2), a lead chamber (1) and a liquid nitrogen tank (7), wherein the lead chamber (1) is fixed at the top of the vertical mounting bracket (2), the liquid nitrogen tank (7) can be connected inside the vertical mounting bracket (2) in a lifting or descending sliding manner, the middle part of the vertical mounting bracket (2) is arranged on a carriage bottom plate (4) of a passenger car, the lead chamber (1) is positioned above the carriage bottom plate (4), a high-purity germanium probe (9) is arranged in the lead chamber (1), and the bottom end of the high-purity germanium probe (9) can extend into the liquid nitrogen tank (7); the vertical mounting bracket (2) comprises a stand column (2-1), a bottom frame (2-2) and an automobile bottom plate connecting piece (3), wherein the automobile bottom plate connecting piece (3) is a rectangular frame and is arranged at the middle upper part of the outer wall of the stand column (2-1) in a surrounding manner;
the liquid nitrogen tank (7) comprises a tank body (7-1), the top of the tank body (7-1) is provided with a tank opening (7-2), a sealing cover plate (5) is arranged above the tank opening (7-2), the tank opening (7-2) is sealed by the sealing cover plate (5), and the high-purity germanium probe (9) can extend into the liquid nitrogen tank (7) after penetrating out of the sealing cover plate (5);
the sealing cover plate (5) and the liquid nitrogen tank (7) are arranged in a separable way; the filling port (7-2) of the liquid nitrogen filling (7) can be completely positioned below the carriage bottom plate (4).
2. The passenger car mobile laboratory high-purity germanium spectrometer mounting structure of claim 1, wherein: the vertical mounting bracket (2) is arranged between two girders of a chassis of a passenger car in the luggage box through a connecting piece (3) of the bottom plate of the car.
3. The passenger car mobile laboratory high-purity germanium spectrometer mounting structure of claim 1, wherein: a first shock absorber component (10) is arranged between the vertical mounting bracket (2) and the carriage bottom plate (4).
4. The passenger car mobile laboratory high-purity germanium spectrometer mounting structure of claim 3, wherein: the first shock absorber component (10) is fixedly attached to the carriage bottom plate (4).
5. The passenger car mobile laboratory high-purity germanium spectrometer mounting structure of claim 4, wherein: the first shock absorber component (10) comprises a fixed plate (10-1) and a base plate (10-2), the fixed plate (10-1) comprises a first pressing plate (10-3) and a second pressing plate (10-4), the first pressing plate (10-3) and the second pressing plate (10-4) are connected vertically, the first pressing plate (10-3) is fixed on the outer side wall of the upright post (2-1), the second pressing plate (10-4) is fixed on the carriage bottom plate (4), and the base plate (10-2) is located between the second pressing plate (10-4) and the carriage bottom plate (4).
6. The passenger car mobile laboratory high-purity germanium spectrometer mounting structure of claim 1, wherein: the liquid nitrogen tank (7) is driven by the lifter (8), the lifter (8) is electrically connected with the lifter control unit (6), and the lifter control unit (6) is fixed on the inner side wall of the vertical mounting bracket (2).
7. The passenger car mobile laboratory high-purity germanium spectrometer mounting structure of claim 1, wherein: the bottom of the liquid nitrogen tank (7) is provided with a second shock absorber component (11).
8. The passenger car mobile laboratory high-purity germanium spectrometer mounting structure of claim 1, wherein: the top of the lead chamber (1) is provided with a lead chamber door (12) which can be opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707722.6A CN111806331B (en) | 2020-07-21 | 2020-07-21 | High-purity germanium spectrometer mounting structure of passenger car mobile laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707722.6A CN111806331B (en) | 2020-07-21 | 2020-07-21 | High-purity germanium spectrometer mounting structure of passenger car mobile laboratory |
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| Publication Number | Publication Date |
|---|---|
| CN111806331A CN111806331A (en) | 2020-10-23 |
| CN111806331B true CN111806331B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010707722.6A Active CN111806331B (en) | 2020-07-21 | 2020-07-21 | High-purity germanium spectrometer mounting structure of passenger car mobile laboratory |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH465071A (en) * | 1965-07-30 | 1968-11-15 | Commissariat Energie Atomique | Method and device for detecting uranium in the atmosphere |
| CN202177702U (en) * | 2011-08-05 | 2012-03-28 | 湖北方圆环保科技有限公司 | Shielding lead chamber of low-background gamma energy disperse spectroscopy |
| CN204101743U (en) * | 2014-09-03 | 2015-01-14 | 国家海洋局南海环境监测中心 | For boat-carrying and vehicle-mounted portable HpGe ray spectrometric survey system |
| CN107490592A (en) * | 2017-08-18 | 2017-12-19 | 中国工程物理研究院核物理与化学研究所 | On-line sample activates and analytical equipment |
| CN107884807A (en) * | 2017-11-22 | 2018-04-06 | 同方威视技术股份有限公司 | Automatic sample-changing equipment based on gamma spectrometer |
| CN109212584A (en) * | 2018-10-19 | 2019-01-15 | 嘉善美源服饰水洗有限公司 | A kind of anti-health electricity refrigeration high purity germanium γ spectroscopy device of wide energy |
| CN109633732A (en) * | 2019-01-09 | 2019-04-16 | 中国原子能科学研究院 | A kind of measuring device |
| CN210270180U (en) * | 2019-07-19 | 2020-04-07 | 西安晟坤建筑工程检测有限公司 | Building materials radioactivity detector |
-
2020
- 2020-07-21 CN CN202010707722.6A patent/CN111806331B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH465071A (en) * | 1965-07-30 | 1968-11-15 | Commissariat Energie Atomique | Method and device for detecting uranium in the atmosphere |
| CN202177702U (en) * | 2011-08-05 | 2012-03-28 | 湖北方圆环保科技有限公司 | Shielding lead chamber of low-background gamma energy disperse spectroscopy |
| CN204101743U (en) * | 2014-09-03 | 2015-01-14 | 国家海洋局南海环境监测中心 | For boat-carrying and vehicle-mounted portable HpGe ray spectrometric survey system |
| CN107490592A (en) * | 2017-08-18 | 2017-12-19 | 中国工程物理研究院核物理与化学研究所 | On-line sample activates and analytical equipment |
| CN107884807A (en) * | 2017-11-22 | 2018-04-06 | 同方威视技术股份有限公司 | Automatic sample-changing equipment based on gamma spectrometer |
| CN109212584A (en) * | 2018-10-19 | 2019-01-15 | 嘉善美源服饰水洗有限公司 | A kind of anti-health electricity refrigeration high purity germanium γ spectroscopy device of wide energy |
| CN109633732A (en) * | 2019-01-09 | 2019-04-16 | 中国原子能科学研究院 | A kind of measuring device |
| CN210270180U (en) * | 2019-07-19 | 2020-04-07 | 西安晟坤建筑工程检测有限公司 | Building materials radioactivity detector |
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