CN113286411B - Neutron generator and encapsulating method thereof - Google Patents
Neutron generator and encapsulating method thereof Download PDFInfo
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- CN113286411B CN113286411B CN202110356859.6A CN202110356859A CN113286411B CN 113286411 B CN113286411 B CN 113286411B CN 202110356859 A CN202110356859 A CN 202110356859A CN 113286411 B CN113286411 B CN 113286411B
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004382 potting Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000005538 encapsulation Methods 0.000 claims abstract description 18
- 239000000565 sealant Substances 0.000 claims description 37
- 210000002445 nipple Anatomy 0.000 claims description 14
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000004642 Polyimide Substances 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 229920006335 epoxy glue Polymers 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000306 component Substances 0.000 description 17
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H3/00—Production or acceleration of neutral particle beams, e.g. molecular or atomic beams
- H05H3/06—Generating neutron beams
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to a neutron generator and a filling and sealing method thereof, wherein the method comprises the following steps: performing primary independent modularized encapsulation on a power supply assembly and a control assembly of the neutron generator to form a plurality of power supply encapsulating pieces and control encapsulating pieces; assembling the plurality of power supply encapsulating pieces, the control encapsulating pieces and the neutron tube, and filling the power supply encapsulating pieces, the control encapsulating pieces and the neutron tube into a pressure-bearing shell after the assembling is completed, and carrying out secondary integral encapsulating; after the potting material is solidified, pressure-bearing sealing joints are arranged at two ends of the pressure-bearing shell, and the inner sides of the sealing joints are connected with the power potting and cables for controlling the potting. The neutron generator that this scheme can make the embedment obtain has good dismantlement function, lets neutron generator's maintenance become possible, and has improved the intensity of fragile subassembly such as inside power supply module, control assembly, has ensured that each components and parts obtain the maximize utilization.
Description
Technical Field
The invention relates to the field of neutron generator encapsulation, in particular to a neutron generator and an encapsulation method thereof.
Background
The core component of the neutron tool is a pulsed neutron generator. The neutron generator can be influenced by complex and harsh external environment in the logging while drilling process, the generator follows the drill collar to go deep into the underground for about 6000m, the high temperature of about 175 ℃ is born, meanwhile, the vibration and impact in the logging while drilling process are born, and the neutron generator in the logging instrument contains a large number of electronic components and fragile structural parts, so that the integral structural design of the neutron generator brings great challenges.
The diameter of the existing neutron generator while drilling is small, high voltage is arranged in the existing neutron generator while drilling, and the integral packaging of the generator is generally achieved in a filling and sealing mode. However, such an integrated whole filling and sealing mode can cause overlarge rigidity when using high-strength pouring sealant, the vibration process is easy to generate a cracking phenomenon to damage electronic components and circuits, the flexibility is overlarge when adopting low-strength pouring sealant, pins of the electronic components cannot play a role in fixing and are easy to loosen or fall off, the internal structure is difficult to detach from the sealed shell, once the electronic components are damaged and cannot work normally, the neutron generator is scrapped integrally, and the components or parts with good internal performance cannot be reused, so that huge resource waste is caused.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a neutron generator filling and sealing method to solve the problems that electronic components and circuits of the existing neutron generator are easy to damage and difficult to recycle after damage.
The technical scheme for solving the technical problems is as follows:
performing primary independent modularized encapsulation on a power supply assembly and a control assembly of the neutron generator to form a plurality of power supply encapsulating pieces and control encapsulating pieces;
assembling the plurality of power supply encapsulating pieces, the control encapsulating pieces and the neutron tube, and filling the power supply encapsulating pieces, the control encapsulating pieces and the neutron tube into a pressure-bearing shell after the assembling is completed, and carrying out secondary integral encapsulating;
after the potting material is solidified, pressure-bearing sealing joints are arranged at two ends of the pressure-bearing shell, and the inner sides of the sealing joints are connected with the power potting and cables for controlling the potting.
The invention has the beneficial effects that the neutron generator has good disassembly function by performing primary independent modularized encapsulation and secondary integral encapsulation, so that the maintenance of the neutron generator becomes possible, and the maximum utilization of each component is ensured. And because the fragile internal structure is independently encapsulated, the strength of fragile parts such as an internal power supply component, a control component and the like is improved.
On the basis of the technical scheme, the invention can be improved as follows.
Further, in the above technical scheme, the pressure-bearing housing comprises at least two sealing pup joints, and the sealing pup joints are electrically connected through a connector; the process of assembling the plurality of power supply pouring elements, the control pouring elements and the neutron tube, and loading the assembled power supply pouring elements, the control pouring elements and the neutron tube into the pressure-bearing shell comprises the following steps:
a cable connecting the neutron tube and the at least one power potting; springs are arranged between different power supply encapsulating pieces, the springs are in a natural extension state before secondary encapsulating, and the neutron tube and at least one power supply encapsulating piece which are assembled are installed in a sealing nipple;
a cable connecting the control potting and the at least one power potting; springs are arranged between the control encapsulating piece and the power encapsulating piece and between different power encapsulating pieces, the elastic coefficient of the springs is between 100 and 1000g/mm, and the springs are in a natural extension state before secondary encapsulating; and loading the assembled control pouring element and at least one power pouring element into the other sealing nipple.
The beneficial effect of adopting above-mentioned further scheme is, through set up the spring of natural extension state between different power embedment pieces, control embedment piece and power embedment piece, vibration resistance that can be further promote the subassembly, and two sealed nipple joints pass through the connector and connect, more convenient to detach.
Further, in the above technical scheme, the pressure-bearing housing is an integral sealing nipple; the process of assembling the plurality of power supply pouring elements, the control pouring elements and the neutron tube, and loading the assembled power supply pouring elements, the control pouring elements and the neutron tube into the pressure-bearing shell comprises the following steps:
and a cable for connecting the neutron tube, the power pouring sealant and the control pouring sealant, wherein springs are arranged between different power pouring sealants and between the control pouring sealant and the power pouring sealant, the springs are in a natural extension state before secondary pouring sealant, and the assembled neutron tube, power pouring sealant and control pouring sealant are filled in the sealing nipple.
The beneficial effect of adopting above-mentioned preferred scheme is, through setting up the spring of natural extension state between different power embedment pieces, control embedment piece and power embedment piece, vibration resistance that can further promote the subassembly, and pressure-bearing shell is an integer, intensity is higher.
Further, in the above technical scheme, before the plurality of power supply encapsulating pieces, the control encapsulating pieces and the neutron tube are installed in the pressure-bearing shell, silicone oil or silicone grease is uniformly coated on the inner wall of the pressure-bearing shell, and an insulating film is attached.
The beneficial effect of adopting above-mentioned preferred scheme is, through scribbling silicone oil or silicone grease between film and pressure-bearing shell inner wall, realize the lubrication between film and the pressure-bearing shell pipe wall to the inside device of being convenient for wholly shifts out, and insulating film has further promoted whole insulating properties.
Preferably, the material of the insulating film is polyimide, polytetrafluoroethylene or polyurethane.
The beneficial effect of adopting the preferable scheme is that polyimide, polytetrafluoroethylene or polyurethane is adopted as the material of the insulating film, so that the insulating film is more resistant to high temperature, the film is not easy to damage or deform during filling and sealing, and the insulating performance is further improved.
Furthermore, in the above technical scheme, the gap between the inner wall of the pressure-bearing housing is smaller than a preset value, and at least one potting duct penetrating through the whole potting is reserved during the independent modular potting.
The beneficial effect of adopting above-mentioned preferred scheme is, is favorable to circulating the embedment material when the secondary embedment through reserving the embedment pore canal to avoid producing the flaw, promote the bulk strength of embedment spare, neutron generator's long line wiring when still being favorable to connecting the cable.
Further, in the above technical scheme, the primary potting material adopts epoxy glue or polyurethane glue, and the secondary potting material adopts silica gel or silicone rubber.
The secondary encapsulating material adopts the silica gel or the silicone rubber, so that the integral neutron generator has stronger vibration resistance, can adapt to certain deformation and expansion and contraction, and is not easy to damage.
Further, in the above technical solution, the primary independent modular potting and the secondary integral potting are performed under vacuum conditions.
The adoption of the further scheme has the beneficial effects that the primary independent modularized encapsulation and the secondary integral encapsulation are carried out under the vacuum condition, so that the air content in the pouring sealant is less, the compactness is higher, and the insulation performance of the pouring sealant is improved.
In order to solve the above technical problem, the present invention further provides a neutron generator, which is characterized by comprising: the neutron generator adopts the neutron generator encapsulating method provided by the technical scheme.
The beneficial effect of adopting above-mentioned scheme is, through carrying out independent modularization embedment earlier and then carrying out the whole embedment of secondary for neutron generator has good dismantlement function, lets neutron generator's maintenance become possible, has ensured that each components and parts obtain the maximize utilization. And because the fragile internal structure is independently encapsulated, the strength of fragile parts such as an internal power supply component, a control component and the like is improved.
Drawings
FIG. 1 is a flow chart of a method for encapsulating a neutron generator according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a method for encapsulating a neutron generator according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a neutron generator according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another neutron generator according to an embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
As shown in fig. 1 and fig. 2, fig. 1 is a flowchart of a neutron generator encapsulating method provided by an embodiment of the present invention, and fig. 2 is a schematic diagram of a neutron generator encapsulating method provided by an embodiment of the present invention, where the method includes:
s101, independently and modularly encapsulating a power supply component and a control component of a neutron generator once to form a plurality of power supply encapsulating pieces and control encapsulating pieces;
s102: assembling the plurality of power supply encapsulating pieces, the control encapsulating pieces and the neutron tube, and filling the power supply encapsulating pieces, the control encapsulating pieces and the neutron tube into a pressure-bearing shell after the assembling is completed, and carrying out secondary integral encapsulating;
and S103, after the encapsulating material is solidified, installing pressure-bearing sealing joints at two ends of the pressure-bearing shell, wherein the inner sides of the sealing joints are connected with the power encapsulating piece and a cable for controlling the encapsulating piece.
In this embodiment, the power supply assembly includes a circuit board, a voltage doubling circuit, and the like of the power supply system inside the neutron generator, and the control assembly includes a circuit, and the like, of the control system inside the neutron generator.
In the one-time independent modularized encapsulation process, corresponding molds are designed and processed for components needing encapsulation, glue stock enters from the bottom end during encapsulation, and the molds are removed after encapsulation is finished; the secondary integral filling and sealing process comprises the following steps: the neutron generator assembly can be vertically placed, the potting material is injected from the bottom of the pressure-bearing shell, and after the potting is finished, pressure-bearing sealing joints are arranged at two ends of the pressure-bearing shell. Through the first independent modularization embedment and the second integral embedment, the neutron generator has good disassembly function, so that the maintenance of the neutron generator becomes possible, and the maximized utilization of each component is ensured. And, because fragile inner structure is independently embeded, improved the intensity of fragile part such as inside power supply module, control assembly.
Further, in this embodiment, as shown in fig. 3, the pressure-bearing housing in the above technical solution includes at least two sealing pup joints, and the sealing pup joints are electrically connected through a connector; the process of assembling the plurality of power supply pouring elements, the control pouring elements and the neutron tube, and loading the assembled power supply pouring elements, the control pouring elements and the neutron tube into the pressure-bearing shell comprises the following steps:
a cable connecting the neutron tube and the at least one power potting; springs are arranged between different power supply encapsulating pieces, the springs are in a natural extension state before secondary encapsulating, and the neutron tube and at least one power supply encapsulating piece which are assembled are installed in a sealing nipple;
a cable connecting the control potting and the at least one power potting; springs are arranged between the control encapsulating piece and the power encapsulating piece and between different power encapsulating pieces, the elastic coefficient of the springs is between 100 and 1000g/mm, and the springs are in a natural extension state before secondary encapsulating; and loading the assembled control pouring element and at least one power pouring element into the other sealing nipple.
In this embodiment, the spring elastic coefficient used by the spring is relatively high, the whole mass of the parts is light, and the space of the pressure-bearing shell is enough, so that no matter how the pressure-bearing shell is placed during assembly, the spring is not obviously compressed, and the spring can have a trace change but cannot be influenced.
The cables for controlling the power supply pouring sealant and the pouring sealant can be directly sealed in the primary pouring sealant, and are directly connected when being connected or are connected again through wires from the pouring sealant holes.
The connector can be columnar, and is connected with two sealing pup joints, and through arranging a through hole in the connector or burying a cable in the connector, the two ends of the connector are provided with interfaces or other modes to realize the electric connection of the two sealing pup joints. The connector can also directly adopt the connector of the existing neutron tube to realize the electric connection of the two sealing pup joints.
Through set up the spring of nature extension state between different power embedments, control embedment and power embedment between, vibration resistance that can be further promote the subassembly, and two sealed nipple joints pass through the connector and connect, more convenient to detach.
Example two
Further, as shown in fig. 4, in this embodiment the pressure housing is an integral sealing nipple; the process of assembling the plurality of power supply pouring elements, the control pouring elements and the neutron tube, and loading the assembled power supply pouring elements, the control pouring elements and the neutron tube into the pressure-bearing shell comprises the following steps:
and a cable for connecting the neutron tube, the power pouring sealant and the control pouring sealant, wherein springs are arranged between different power pouring sealants and between the control pouring sealant and the power pouring sealant, the springs are in a natural extension state before secondary pouring sealant, and the assembled neutron tube, power pouring sealant and control pouring sealant are filled in the sealing nipple.
The spring used by the spring has higher spring coefficient, the whole mass of parts is lighter and the space of the pressure-bearing shell is enough, so that no matter how the pressure-bearing shell is arranged during assembly, the spring cannot be obviously compressed, and the spring can have slight variation but cannot be influenced.
The cables for controlling the power supply pouring sealant and the pouring sealant can be directly sealed in the primary pouring sealant, and are directly connected when being connected or are connected again through wires from the pouring sealant holes.
The vibration resistance of the assembly can be further improved by arranging the springs in natural extension states between different power supply encapsulating pieces and between the control encapsulating pieces, and the pressure-bearing shell is an integral body with higher strength.
Further, in the above embodiment, before the plurality of power supply potting pieces, the control potting pieces, and the neutron tube are mounted in the pressure-bearing housing, silicone oil or silicone grease is uniformly coated on the inner wall of the pressure-bearing housing, and an insulating film is attached.
By coating silicone oil or silicone grease between the film and the inner wall of the pressure-bearing shell, lubrication between the film and the wall of the pressure-bearing shell is realized, so that the whole removal of internal devices is facilitated, and the whole insulation performance of the insulating film is further improved. In addition, the material uniformly coated on the inner wall of the pressure-bearing shell is not limited to the above material, and any grease material with high temperature resistance and good insulating property falls into the protection scope of the invention.
Preferably, in the above embodiment, the material of the insulating film is polyimide, polytetrafluoro or polyurethane.
The polyimide, polytetrafluoroethylene or polyurethane and other materials have strong heat resistance and insulativity, and the polyimide, polytetrafluoroethylene or polyurethane is used as the material of the insulating film, so that the insulating film is more resistant to high temperature, the film is not easy to damage or deform during encapsulation of the insulating film, and the insulating performance is further improved. In addition, the material of the insulating film in the present invention is not limited to the above material, and any material having high heat resistance and high insulation properties falls within the scope of the present invention.
Further, in the above embodiment, the gap between the inner walls of the pressure-bearing housing is smaller than a preset value, and at least one potting hole penetrating through the whole potting is reserved during the independent modular potting.
The encapsulating pore canal can be reserved on each encapsulating piece, can also be reserved on the encapsulating piece with larger size, and can be regarded as a piece with larger size when the gap between the encapsulating piece and the pressure-bearing shell is smaller than 1mm, and can also be used for long-line wiring of the neutron generator. The reserved encapsulating pore canal is beneficial to circulating encapsulating materials during secondary encapsulating, so that defects are avoided, the integral strength of the encapsulating piece is improved, and long-line wiring of the neutron generator during cable connection is facilitated.
Further, in the above embodiments, the primary independent modular potting and the secondary integral potting process are performed under vacuum conditions.
When the independent modularized filling and sealing is carried out for one time under the vacuum condition, firstly, designing and processing corresponding molds for components needing filling and sealing, wherein sizing materials enter from the bottom end during filling and sealing, the extraction opening at the top end is connected with a vacuum pump system, and the molds are removed after filling and sealing are finished; the neutron generator assembly can be vertically placed when the secondary integral encapsulation is carried out, the encapsulating material is injected from the bottom of the pressure-bearing shell, the top of the pressure-bearing shell is connected with the vacuum pumping system, and after the encapsulation is finished, pressure-bearing sealing joints are arranged at the two ends of the pressure-bearing shell. By carrying out primary independent modularized encapsulation and secondary integral encapsulation under vacuum condition, the air content in the pouring sealant is less, the compactness is higher, and the insulation performance is improved.
As shown in fig. 3 and 4, the above embodiment further provides a neutron generator, including: the neutron generator adopts the neutron generator encapsulating method provided by the embodiment.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
The reader will appreciate that in the description of this specification, a description of terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.
In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
It should be further understood that, in the embodiments of the present invention, the sequence numbers of the foregoing processes do not mean the execution sequence, and the execution sequence of each process should be determined by the functions and the internal logic of each process, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
The present invention is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and these modifications and substitutions are intended to be included in the scope of the present invention.
Claims (7)
1. A neutron generator potting method, comprising:
performing primary independent modularized encapsulation on a power supply assembly and a control assembly of the neutron generator to form a plurality of power supply encapsulating pieces and control encapsulating pieces;
assembling the plurality of power supply encapsulating pieces, the control encapsulating pieces and the neutron tube, and filling the power supply encapsulating pieces, the control encapsulating pieces and the neutron tube into a pressure-bearing shell after the assembling is completed, and carrying out secondary integral encapsulating;
after the potting material is solidified, mounting pressure-bearing sealing joints at two ends of the pressure-bearing shell, wherein the inner sides of the sealing joints are connected with the power potting and a cable for controlling the potting;
if the pressure-bearing shell comprises at least two sealing pup joints, the sealing pup joints are electrically connected through a connector, the process of assembling the plurality of power supply pouring sealing elements, the control pouring sealing elements and the neutron tube and then loading the pressure-bearing shell after the assembly is completed comprises the following steps:
a cable connecting the neutron tube and the at least one power potting; springs are arranged among different power supply encapsulating pieces, the elastic coefficient of the springs is 100-1000 g/mm, the springs are in a natural extension state before secondary encapsulating, and the neutron tube and at least one power supply encapsulating piece which are assembled are installed in a sealing nipple;
a cable connecting the control potting and the at least one power potting; springs are arranged between the control pouring element and the power pouring element and between different power pouring elements, and are in a natural extension state before secondary pouring; loading the assembled control pouring element and at least one power pouring element into another sealing nipple;
if the pressure-bearing shell is an integral sealing nipple, the process of assembling the plurality of power supply encapsulating pieces, the control encapsulating pieces and the neutron tube and loading the pressure-bearing shell after the assembly is completed comprises the following steps:
and a cable for connecting the neutron tube, the power pouring sealant and the control pouring sealant, wherein springs are arranged between different power pouring sealants and between the control pouring sealant and the power pouring sealant, the springs are in a natural extension state before secondary pouring sealant, and the assembled neutron tube, power pouring sealant and control pouring sealant are filled in the sealing nipple.
2. The method of claim 1, wherein the plurality of power supply potting elements, the control potting elements and the neutron tube are uniformly coated with silicone oil or silicone grease and an insulating film is attached to the inner wall of the pressure-bearing housing before being installed in the pressure-bearing housing.
3. The method of claim 2, wherein the insulating film is polyimide, polytetrafluoroethylene or polyurethane.
4. The method of claim 1, wherein the power and control components with a gap between the inner walls of the pressure-bearing housing less than a predetermined value provide at least one potting opening extending through the entire potting during the further independent modular potting.
5. The neutron generator potting method of claim 1, wherein the potting material adopted by the primary independent modularized potting is epoxy glue or polyurethane glue, and the potting material adopted by the secondary integral potting is silica gel or silicone rubber.
6. The neutron generator potting method of claim 1, wherein the primary independent modular potting and the secondary integral potting are performed under vacuum conditions.
7. A neutron generator, comprising: a power supply potting, a control potting, a neutron tube and a pressure-bearing housing, the neutron generator using the neutron generator potting method of any one of claims 1-6.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08182760A (en) * | 1994-12-28 | 1996-07-16 | Nissho Corp | Prefilled syringe |
| CA2452988A1 (en) * | 2003-01-30 | 2004-07-30 | Schlumberger Canada Limited | Retrievable subsurface nuclear logging system |
| CN110190521A (en) * | 2019-06-28 | 2019-08-30 | 重庆市耕爵环保科技有限公司 | Anion generator encapsulating method and structure |
| CN111622747A (en) * | 2020-05-14 | 2020-09-04 | 中国科学院地质与地球物理研究所 | Receiving transducer array full digitalization device of acoustic logging while drilling instrument |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7633058B2 (en) * | 2007-12-04 | 2009-12-15 | Schlumberger Technology Corporation | Hermetically sealed packaging and neutron shielding for scintillation-type radiation detectors |
| US9179535B2 (en) * | 2008-02-04 | 2015-11-03 | Schlumberger Technology Corporation | Neutron generator |
| US8594265B2 (en) * | 2008-02-29 | 2013-11-26 | Schlumberger Technology Corporation | Methods for controlling ion beam and target voltage in a neutron generator for improved performance |
| US10132938B2 (en) * | 2016-03-22 | 2018-11-20 | Ge Energy Oilfield Technology, Inc. | Integrated nuclear sensor |
| US9995841B2 (en) * | 2016-06-21 | 2018-06-12 | Schlumberger Technology Corporation | Compact scintillation detector |
-
2021
- 2021-04-01 CN CN202110356859.6A patent/CN113286411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08182760A (en) * | 1994-12-28 | 1996-07-16 | Nissho Corp | Prefilled syringe |
| CA2452988A1 (en) * | 2003-01-30 | 2004-07-30 | Schlumberger Canada Limited | Retrievable subsurface nuclear logging system |
| CN110190521A (en) * | 2019-06-28 | 2019-08-30 | 重庆市耕爵环保科技有限公司 | Anion generator encapsulating method and structure |
| CN111622747A (en) * | 2020-05-14 | 2020-09-04 | 中国科学院地质与地球物理研究所 | Receiving transducer array full digitalization device of acoustic logging while drilling instrument |
Non-Patent Citations (2)
| Title |
|---|
| 某高压电源组件灌封工艺技术分析与研究;高华;;电子工艺技术(第03期);全文 * |
| 高华 ; .某高压电源组件灌封工艺技术分析与研究.电子工艺技术.2007,(第03期),全文. * |
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