CN219890644U - Force sensor suitable for use under irradiation environment - Google Patents
Force sensor suitable for use under irradiation environment Download PDFInfo
- Publication number
- CN219890644U CN219890644U CN202321561078.1U CN202321561078U CN219890644U CN 219890644 U CN219890644 U CN 219890644U CN 202321561078 U CN202321561078 U CN 202321561078U CN 219890644 U CN219890644 U CN 219890644U
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- CN
- China
- Prior art keywords
- lead
- strain
- bin
- boron
- protective cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052796 boron Inorganic materials 0.000 claims abstract description 49
- 239000004698 Polyethylene Substances 0.000 claims abstract description 48
- -1 polyethylene Polymers 0.000 claims abstract description 48
- 229920000573 polyethylene Polymers 0.000 claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 18
- 229920001971 elastomer Polymers 0.000 claims abstract description 14
- 239000000806 elastomer Substances 0.000 claims abstract description 14
- 229910001245 Sb alloy Inorganic materials 0.000 claims description 20
- 239000002140 antimony alloy Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
Landscapes
- Measurement Of Force In General (AREA)
Abstract
The utility model provides a force sensor suitable for being used in an irradiation environment, which comprises an elastomer, a boron-containing polyethylene protective cover, a lead-boron polyethylene protective cover, an electronic bin cover plate, a transmitter, a stainless steel aviation socket, a first strain gauge and a second strain gauge, wherein the first strain gauge is arranged on the surface of the elastic body; an electronic bin, a first strain bin, a second strain bin and a wire passing channel are arranged in the elastic body; the boron-containing polyethylene protective cover is sleeved on the outer side of the electronic bin, a lead-boron polyethylene protective cover is arranged in the electronic bin, a transmitter is arranged in the lead-boron polyethylene protective cover, and the electronic bin cover plate covers the electronic bin. The utility model is provided with the boron-containing polyethylene protective cover and the lead-boron polyethylene protective cover, and simultaneously is provided with other protective measures, so that the influence of radiation on the sensor is reduced, the effective protection of the irradiation environment is achieved, the data measured by the sensor is more accurate, and the maintenance period and the cost are reduced.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a force sensor suitable for being used in an irradiation environment.
Background
The majority of the force sensors currently on the domestic market do not have the function of being used in an irradiation environment, in particular to the measurement capability in an irradiation environment of megagray level. In general, the measurement accuracy of a force sensor working for a long time in such an irradiation environment is gradually reduced, so that the measured data of the sensor is inaccurate, and therefore, the sensor needs to be replaced periodically to ensure the measurement accuracy of the sensor, which increases the replacement and maintenance costs of the sensor in an intangible way.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
It is therefore an object of the present utility model to provide a force sensor suitable for use in an irradiation environment, which solves the problems mentioned in the background art and overcomes the deficiencies of the prior art.
In order to achieve the above purpose, the utility model provides a force sensor suitable for use in irradiation environment, comprising an elastomer, a boron-containing polyethylene protective cover, a lead-boron polyethylene protective cover, an electronic bin cover plate, a transmitter, a stainless steel aviation socket, a first strain gauge and a second strain gauge; an electronic bin, a first strain bin, a second strain bin and a wire passing channel are arranged in the elastic body; the boron-containing polyethylene protective cover is sleeved on the outer side of the electronic bin, a lead-boron polyethylene protective cover is arranged in the electronic bin, a transmitter is arranged in the lead-boron polyethylene protective cover, the electronic bin cover plate covers the electronic bin, the first strain gauge is arranged in the first strain bin, the second strain gauge is arranged in the second strain bin, the first strain gauge and the second strain gauge are connected with the transmitter, and the transmitter is connected with the stainless steel aviation socket.
Preferably, the device further comprises a lead-boron polyethylene protection plate, and the lead-boron polyethylene protection plate is respectively covered in the first strain bin and the second strain bin.
In any of the above schemes, it is preferable that the device further comprises a lead-antimony alloy cover plate, and the lead-antimony alloy cover plate is respectively covered in the first strain bin and the second strain bin.
In any of the above embodiments, the electronics bay cover is preferably sealed to the lead boron polyethylene shield with 704 silicone rubber.
In any of the above aspects, it is preferred that the first and second strain chambers are sealed with 704 silicone rubber between the lead antimony alloy cover plates.
In any of the above embodiments, the elastomer is preferably made of 17-4PH stainless steel.
In any of the above embodiments, the elastic body is preferably made of an antimony alloy, a magnesium-aluminum alloy or a stainless steel alloy.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the force sensor suitable for being used in the irradiation environment is provided with the boron-containing polyethylene protective cover and the lead-boron polyethylene protective cover, so that the influence of radiation on the sensor is reduced, the effective protection of the irradiation environment is achieved, the data measured by the sensor is more accurate, and the maintenance period and the cost are reduced.
2. According to the force sensor suitable for being used in the irradiation environment, the lead-boron polyethylene protection plate and the lead-antimony alloy cover plate are respectively covered in the first strain bin and the second strain bin, so that the influence of radiation on the data measured by the strain gauge is prevented, the radiation protection effect is improved, and the sensor is more durable.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a force sensor suitable for use in an irradiation environment according to an embodiment of the present utility model.
Fig. 2 is an exploded view of the force sensor structure shown in fig. 1, adapted for use in an irradiation environment, in accordance with an embodiment of the present utility model.
FIG. 3 is a front view of the elastomer shown in FIG. 1 in a force sensor configuration suitable for use in an irradiation environment in accordance with an embodiment of the present utility model.
FIG. 4 is a cross-sectional view along the F-F direction of the elastomer shown in FIG. 3, illustrating a force sensor structure suitable for use in an irradiation environment, in accordance with an embodiment of the present utility model.
FIG. 5 is a cross-sectional view along the direction C-C of the elastomer shown in FIG. 3 illustrating a force sensor structure suitable for use in an irradiation environment, in accordance with an embodiment of the present utility model.
Wherein: 1-an elastomer; 2-a boron-containing polyethylene shield; 3-lead boron polyethylene protective cover; 4-an electronic bin cover plate; a 5-transmitter; 6-stainless steel aviation socket; 7-a first strain gauge; 8-a second strain gage; 9-an electronic bin; 10-a first strain bin; 11-a second strain bin; 12-a wire passing channel; 13-lead boron polyethylene protection plates; 14-lead-antimony alloy cover plate.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 5, a force sensor suitable for use in an irradiation environment according to an embodiment of the present utility model includes an elastomer 1, a boron-containing polyethylene shield 2, a lead-boron polyethylene shield 3, an electronic bin cover 4, a transmitter 5, a stainless steel aviation socket 6, a first strain gauge 7, and a second strain gauge 8; an electronic bin 9, a first strain bin 10, a second strain bin 11 and a wire passing channel 12 are arranged in the elastic body 1; the boron-containing polyethylene protective cover 2 is sleeved outside the electronic bin 9, the lead boron polyethylene protective cover 3 is arranged in the electronic bin 9, the transmitter 5 is arranged in the lead boron polyethylene protective cover 3, the stainless steel aviation socket 6 is arranged between the electronic bin and the lead boron polyethylene protective cover 3, the electronic bin cover plate 4 is covered on the electronic bin, the first strain gauge 7 is arranged in the first strain bin 10, the second strain gauge 8 is arranged in the second strain bin 11, the first strain gauge 7 and the second strain gauge 8 are connected with the transmitter 5, and the transmitter 5 is connected with the stainless steel aviation socket 6.
The electronic bin is communicated with the first strain bin 10 through the wire passing channel 12, the first strain bin 10 is communicated with the second strain bin 11 through the wire passing channel 12, the wire passing channel 12 is used for placing a connecting cable, and a connecting hole is formed in the lead-boron polyethylene protective cover 3 and used for connecting the transmitter 5 with the strain gauge and the stainless steel aviation socket 6.
The force sensor suitable for being used in the irradiation environment is provided with the boron-containing polyethylene protective cover 2 and the lead-boron polyethylene protective cover 3, so that the influence of radiation on the sensor is reduced, the effective protection of the irradiation environment is achieved, the data measured by the sensor is more accurate, and the maintenance period and the cost are reduced.
Further, the device also comprises a lead-boron polyethylene protection plate 13, and the lead-boron polyethylene protection plate 13 is respectively covered in the first strain bin 10 and the second strain bin 11. The lead-boron polyethylene protection plate 13 is used for protecting the strain gauges in the first strain bin 10 and the second strain bin 11 and reducing the influence of radiation on the strain gauges.
Further, the device also comprises a lead-antimony alloy cover plate 14, and the lead-antimony alloy cover plate 14 is respectively covered in the first strain bin 10 and the second strain bin 11. The lead-antimony alloy cover plate 14 covers the outermost side of the strain bin, and the lead-boron polyethylene protection plate 13 is arranged between the lead-antimony alloy cover plate 14 and the strain gauge, so that the effect of double protection is achieved, and the radiation protection effect is better.
Specifically, the electronic bin cover plate 4 is sealed on the lead-boron polyethylene protective cover 3 through 704 silicon rubber.
Specifically, the first strain chamber 10 and the second strain chamber 11 are sealed with the lead-antimony alloy cover plate 14 through 704 silicon rubber.
And the 704 silicon rubber is adopted for sealing, so that the purpose of reducing radiation influence is achieved, and the protection effect is improved.
The sensor in the utility model has the basic principle that: the first strain gauge and the second strain gauge are fixedly connected with the sensor elastomer through an adhesive, 2 strain gauges are connected into a group of full-bridge Wheatstone bridges, a wire is connected to a transmitter circuit through a wire passing hole, and the output end of the transmitter is connected with a stainless steel aviation socket to form a complete sensor output signal.
Sensor material selection: in the irradiation environment with the use environment of megagray level, the material must be selected to reduce the generation of self rays, and metals such as iron, cobalt, nickel, alloy steel and the like can generate steel rays in the environment, and can become a radioactive body after long-term irradiation, thereby influencing the precision measurement. According to the literature, lead-antimony alloy, aluminum, magnesium-aluminum alloy, stainless steel and silicon-based materials are adopted, so that the generation of other rays can be greatly reduced. Therefore, lead-antimony alloy, magnesium-aluminum alloy and stainless steel alloy are ideal elastomer materials. The elastic body of the patent can be realized by adopting the above materials or similar materials, and the lead-antimony alloy can be used in a sensor with a small range, a magnesium-aluminum alloy can be used in a sensor with a medium range, and a stainless steel material can be used in a sensor with a medium and high range. The elastomer of the utility model is made of 17-4PH stainless steel.
Radiation protection: although the stainless steel material can greatly reduce the generation of self rays, steel rays can be generated in a high-irradiation environment for a long time. Therefore, the multiple applications of the lead-antimony alloy cover plate, the silicon-based sealant, the lead-boron polyethylene protective plate and the boron-containing polyethylene protective cover are matched to achieve effective protection of the irradiation environment. The boron-containing polyethylene shield contains 20% boron.
A lead-boron polyethylene protective cover is placed in the electronic bin, a transmitter and a stainless steel aviation plug are placed in the lead-boron polyethylene protective cover, a 704 silicon rubber sealing lead-antimony alloy cover plate is used for sealing, a halogen-free shielding cable is used as a connecting cable, and the outer surface of the cable is covered with a pure lead skin of 0.1-0.3 mm. The radiation-proof capability of the sensor can be effectively improved. Thereby realizing the requirements of relatively prolonged or long-term use under irradiation environment.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The force sensor is characterized by comprising an elastomer, a boron-containing polyethylene protective cover, a lead-boron polyethylene protective cover, an electronic bin cover plate, a transmitter, a stainless steel aviation socket, a first strain gauge and a second strain gauge; an electronic bin, a first strain bin, a second strain bin and a wire passing channel are arranged in the elastic body; the electronic bin is characterized in that the boron-containing polyethylene protective cover is sleeved on the outer side of the electronic bin, the lead-boron polyethylene protective cover is arranged in the electronic bin, the transmitter is arranged in the lead-boron polyethylene protective cover, the electronic bin cover plate covers the electronic bin, the first strain gauge is arranged in the first strain bin, the second strain gauge is arranged in the second strain bin, the first strain gauge and the second strain gauge are connected with the transmitter, and the transmitter is connected with the stainless steel aviation socket.
2. A force transducer adapted for use in an irradiation environment as set forth in claim 1, further comprising a lead boron polyethylene shield, said lead boron polyethylene shield being disposed in said first and second strain chambers in respective covers.
3. A force sensor adapted for use in an irradiation environment as in claim 2, further comprising a lead-antimony alloy cover plate, said lead-antimony alloy cover plate being provided in said first strain chamber and said second strain chamber, respectively.
4. A force sensor adapted for use in an irradiation environment as set forth in claim 1 wherein said electronics housing cover is sealed to said lead boron polyethylene shield by 704 silicone rubber.
5. A force sensor adapted for use in an irradiation environment as set forth in claim 3, wherein the first and second strain chambers are sealed with 704 a silicone rubber between the lead-antimony alloy cover plate.
6. A force sensor adapted for use in an irradiation environment as set forth in claim 1, wherein said elastomer is formed of a 17-4PH stainless steel material.
7. A force sensor adapted for use in an irradiation environment as claimed in claim 1, wherein the elastomer is made of an antimony alloy or magnesium aluminium alloy or stainless steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321561078.1U CN219890644U (en) | 2023-06-19 | 2023-06-19 | Force sensor suitable for use under irradiation environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321561078.1U CN219890644U (en) | 2023-06-19 | 2023-06-19 | Force sensor suitable for use under irradiation environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890644U true CN219890644U (en) | 2023-10-24 |
Family
ID=88408789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321561078.1U Active CN219890644U (en) | 2023-06-19 | 2023-06-19 | Force sensor suitable for use under irradiation environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890644U (en) |
-
2023
- 2023-06-19 CN CN202321561078.1U patent/CN219890644U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |