CN112539775A - High-voltage-resistant electronic system based on oil filling in pressure guide shell and preparation process thereof - Google Patents
High-voltage-resistant electronic system based on oil filling in pressure guide shell and preparation process thereof Download PDFInfo
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- CN112539775A CN112539775A CN202011280607.1A CN202011280607A CN112539775A CN 112539775 A CN112539775 A CN 112539775A CN 202011280607 A CN202011280607 A CN 202011280607A CN 112539775 A CN112539775 A CN 112539775A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
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Abstract
The invention discloses a high-voltage resistant electronic system based on oil filling in a pressure guide shell and a preparation process thereof, comprising an electronic shell, a pressure guide shell, filling oil, a pressure-bearing battery, a pressure-bearing electronic system, a sensor and a sensor electrode interface, the top of the electronic shell is fixedly provided with a pressure guide shell which is a soft shell capable of guiding pressure, the electronic shell is internally provided with a pressure-bearing electronic system and a pressure-bearing battery which can bear high pressure, and a sensor, wherein a pressure-bearing battery is fixedly arranged in the electronic shell, the preparation process of the invention prevents air from mixing into the system by taking measures when the oil filling system is prepared, can avoid the air from easily releasing from the oil and forming a plurality of bubbles when the pressure and the temperature change, this would affect the incompressibility of the hydraulic oil and also interfere with the proper operation of the electronic system.
Description
Technical Field
The invention relates to the technical field of ocean engineering, in particular to a high-voltage-resistant electronic system based on oil filling in a pressure guide shell and a preparation process thereof.
Background
Ocean and seafloor monitoring, marine engineering construction, oil down-hole production, and large hydraulic machines all involve high pressure background environments (seawater pressure, oil pressure, hydraulic or pneumatic pressure). Traditional monitored control system need seal electronic system and sensor to in the resistance to compression storehouse, and the resistance to compression storehouse is generally made by high strength stainless steel, titanium alloy, glass steel or resistance to compression pottery, and is expensive, and processing cost is high and weight is big.
Meanwhile, as air can be dissolved in oil, the solubility of the air is mainly determined by air pressure and temperature. When air is dissolved in oil, the system is not problematic, but when the pressure and the temperature change, the air is easily released from the oil and a plurality of bubbles are formed, so that the incompressibility of the hydraulic oil is influenced, and the normal operation of an electronic system is also interfered.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a high-voltage-resistant electronic system based on oil filling in a pressure guide shell and a preparation process thereof.
Compared with the traditional alloy pressure-resistant bin structure, the system has the characteristics of low cost, small volume, light weight and flexible structure, and can greatly reduce the cost of the traditional pressure-resistant electronic system. Compared with the traditional titanium alloy pressure-resistant cabin, the pressure-resistant electronic system designed by the invention has the cost of only 5-10%, greatly reduces the manufacturing cost, has lighter weight and smaller group, and is suitable for large-scale transportation and deployment. In addition, the structure has excellent mechanical wave and electromagnetic wave transmission properties, the acoustic sensor and the electromagnetic wave communication antenna can be directly installed in the system, a special external transducer and an antenna pressure-resistant bin are not needed, the cost is further reduced, and the design is simplified. The technical problems of high price, high processing cost and heavy weight of the conventional system are solved;
the preparation process of the invention adopts measures when preparing the oil filling system to prevent air from mixing into the system, and can solve the problems that when the pressure and the temperature change, the air is easy to release from oil and form a plurality of bubbles, which can affect the incompressibility of the hydraulic oil and interfere the normal work of an electronic system.
The purpose of the invention can be realized by the following technical scheme:
a high-voltage resistant electronic system based on oil filling in a pressure guide shell comprises an electronic shell, the pressure guide shell, filling oil, a pressure-bearing battery, a pressure-bearing electronic system, a sensor and a sensor electrode interface, wherein the pressure guide shell is fixedly installed at the top of the electronic shell and is a soft shell capable of conducting pressure, the pressure-bearing electronic system capable of bearing high pressure, the pressure-bearing battery and the sensor are arranged in the electronic shell, the pressure-bearing battery is fixedly installed in the electronic shell and is connected with the pressure-bearing electronic system through a connecting wire, the pressure-bearing electronic system is positioned right below the pressure-bearing battery and is connected with the sensor through the connecting wire, the sensor is connected with the sensor electrode interface through the connecting wire, and the sensor electrode interface is fixed on the surface of the electronic shell; filling oil with low thermal conductivity and high electrical insulation is filled in the electronic shell;
the existence of pressure guide shell, the background pressure can directly be transmitted to the inside of the system, and when the internal and external pressures are balanced, the internal and external pressures of the electronic shell and the pressure guide shell are consistent, so that the electronic shell does not need to be made of pressure bearing materials, and the cost and the weight volume are reduced. Meanwhile, because the compression coefficient of the oil is very low, the internal pressure and the external pressure of the electronic shell can be balanced by very small compression;
the filling oil has the properties of high insulativity and good heat conductivity, and the pressure-bearing electronic system is directly installed and fixed in the electronic shell and is in contact with the filling oil; the pressure-bearing electronic system, the pressure-bearing battery and the sensor are designed to resist pressure and can bear background high voltage, and for the pressure-bearing electronic system, a solid-state patch element is selected, and the solid-state patch element is detected by a high-voltage bin before design to confirm that the solid-state patch element can normally work under the background pressure; before the pressure-bearing battery is installed, a high-pressure bin test is carried out to ensure that the pressure-bearing battery can reliably work under the background pressure, and for the battery with poor pressure resistance, the pressure-bearing battery can be considered to be installed in a metal battery pressure-resisting bin to work; similarly, a high-pressure cabin test is required before the sensor is deployed, and for some sensors which are not pressure-resistant, such as a camera lens and the like, the sensors can be considered to be installed in a metal or glass fiber reinforced plastic pressure-resistant cabin and then fixed into a system. Because the structure of the soft electronic shell and the internal oil-filled design has excellent acoustic and electromagnetic wave transmission properties, the acoustic sensor and the electromagnetic wave communication antenna can be directly installed in the system without a special external transducer and an antenna pressure-resistant cabin. The pressure-guiding shell is filled with oil, and the pressure-bearing electronic, battery and sensing systems are the working basis of the system.
As a further scheme of the invention: the pressure guide shell is made of a corrosion-resistant and compressible flexible material; the electronic shell can be made of alloy, glass fiber reinforced plastic or ceramic in the traditional pressure-resistant cabin, can also be made of low-cost materials such as polypropylene, resin and the like which resist seawater corrosion, and can also be made of flexible pressure-guiding materials; the pressure-bearing electronic system is a solid-state patch element.
As a further scheme of the invention: the extender oil is a mineral oil having good electrical insulation and low thermal conductivity.
As a further scheme of the invention: the pressure guide shell is made of polypropylene or corrosion-resistant rubber material.
As a further scheme of the invention: the pressure-bearing battery is a sheet lithium ion battery.
As a further scheme of the invention: the electronic shell and the pressure guide shell are one of a sphere, a hemisphere and a cylinder.
As a further scheme of the invention: the pressure guide shell is fixed on the electronic shell through a metal hoop, an O-shaped sealing ring and a screw.
As a further scheme of the invention: a preparation process of a high-voltage-resistant electronic system based on oil filling in a pressure guide shell comprises the following steps:
firstly, a pressure-bearing battery, a pressure-bearing electronic system, a sensor and a circuit board are configured and connected in an electronic shell through connecting wires, and are installed and fixed;
step two, completely immersing the electronic shell, the pressure guide shell, the O-shaped sealing ring and the screw which are installed in the step one into a container filled with oil;
step three, sealing the container, reducing the pressure by using a vacuum pump, discharging the air in the container, and keeping the air for 24 hours;
after the electronic shell is completely saturated, removing the sealing of the container, fixing the pressure guide shell and the electronic shell in an oil seal through an O-shaped sealing ring and a screw, and sealing the pressure guide shell and the electronic shell, wherein the electronic shell and the electronic shell are in a completely saturated state;
and fifthly, taking out the sealed pressure guide shell and the sealed electronic shell, cleaning external grease, and putting the grease into a pressure bin for a compression seal test.
The invention has the beneficial effects that: compared with the traditional alloy pressure-resistant bin structure, the system has the characteristics of low cost, small volume, light weight and flexible structure, and can greatly reduce the cost of the traditional pressure-resistant electronic system. Compared with the traditional titanium alloy pressure-resistant cabin, the pressure-resistant electronic system designed by the invention has the cost of only 5-10%, greatly reduces the manufacturing cost, has lighter weight and smaller group, and is suitable for large-scale transportation and deployment. In addition, the structure has excellent mechanical wave and electromagnetic wave transmission properties, the acoustic sensor and the electromagnetic wave communication antenna can be directly installed in the system, a special external transducer and an antenna pressure-resistant bin are not needed, the cost is further reduced, and the design is simplified. The structure provided by the invention has great significance in the fields of ocean detection and monitoring, submarine resource exploration, underwater robot design and manufacture, sea-related building structure safety monitoring, high-pressure pipeline monitoring, petroleum underground detection and monitoring, national defense safety and the like;
the preparation process of the invention adopts measures during the preparation of the oil filling system to prevent air from mixing into the system, and can avoid the problems that when the pressure and the temperature change, the air is easy to release from oil and form a plurality of bubbles, which can affect the incompressibility of the hydraulic oil and interfere the normal work of an electronic system.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a spherical high voltage tolerant electronic system according to the present invention;
FIG. 2 is a schematic diagram of a hemispherical high voltage tolerant electronic system according to the present invention;
FIG. 3 is a schematic diagram of a high voltage tolerant cylindrical electronic system according to the present invention;
FIG. 4 is a flow chart of a process for fabricating a hemispherical high voltage tolerant electronic system according to the present invention;
FIG. 5 is a schematic view of a step one forming structure of the present invention;
FIG. 6 is a schematic view of a step two molding structure of the present invention;
FIG. 7 is a schematic view of a step three forming structure of the present invention;
FIG. 8 is a schematic view of a step four forming structure of the present invention;
FIG. 9 is a schematic view of the step five forming structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the high voltage resistant electronic system based on oil filling in a pressure guide shell comprises an electronic shell 1, a pressure guide shell 2, filling oil 3, a pressure-bearing battery 4, a pressure-bearing electronic system 5, a sensor 6 and a sensor electrode interface 7, wherein the pressure guide shell 2 is fixedly installed at the top of the electronic shell 1, the pressure guide shell 2 is a flexible shell capable of guiding pressure, the pressure-bearing electronic system 5 capable of bearing high pressure, the pressure-bearing battery 4 and the sensor 6 are arranged in the electronic shell 1, the pressure-bearing battery 4 is fixedly installed in the electronic shell 1, the pressure-bearing battery 4 is connected with the pressure-bearing electronic system 5 through a connecting wire, the pressure-bearing electronic system 5 is positioned under the pressure-bearing battery 4, the pressure-bearing electronic system 5 is connected with the sensor 6 through a connecting wire, and the sensor 6 is connected with the sensor electrode interface, the sensor 6 is PT124G-113T, and the sensor electrode interface 7 is fixed on the surface of the electronic shell 1; the electronic shell 1 is filled with filling oil 3 with low thermal conductivity and high electrical insulation; the pressure guide shell 2 is made of a corrosion-resistant and compressible flexible material; the electronic shell 1 can be made of alloy, glass fiber reinforced plastic or ceramic as a traditional pressure-resistant cabin, can also be made of low-cost materials such as polypropylene, resin and the like which resist seawater corrosion, and can also be made of flexible pressure-guiding materials; the pressure-bearing electronic system 5 is a solid-state patch element. The extender oil 3 is a mineral oil having good electrical insulation and low thermal conductivity. The pressure guide shell 2 is made of polypropylene or corrosion-resistant rubber. The pressure-bearing battery 4 is a sheet lithium ion battery. The electronic shell 1 and the pressure guide shell 2 form one of a sphere, a hemisphere and a cylinder. And the pressure guide shell 2 is fixed on the electronic shell 1 through a metal hoop, an O-shaped sealing ring and a screw.
The existence of pressure guide shell 2, the background pressure can directly be transmitted to the inside of the system, and when the internal and external pressures are balanced, the internal and external pressures of electronic shell 1 and pressure guide shell 2 are consistent, so that electronic shell 1 does not need to be made of pressure-bearing materials, thereby reducing the cost and weight and volume. Meanwhile, because the compression coefficient of the oil is very low, the internal pressure and the external pressure of the electronic shell 1 can be balanced by very small compression;
the filling oil 3 has the properties of high insulativity and good heat conductivity, and the pressure-bearing electronic system 5 is directly installed and fixed in the electronic shell 1 and is in contact with the filling oil 3; the pressure-bearing electronic system 5, the pressure-bearing battery 4 and the sensor 6 are all designed to resist pressure and can bear background high pressure, and a solid-state patch element is selected from the pressure-bearing electronic system 5 and needs to be detected in a high-pressure bin before design to confirm that the solid-state patch element can normally work at the background pressure; before the pressure-bearing battery 4 is installed, a high-voltage bin test is carried out to ensure that the pressure-bearing battery can reliably work under the background pressure, and for the battery with poor pressure resistance, the pressure-bearing battery can be considered to be installed into a metal battery pressure-resisting bin for working; similarly, the sensor 6 also needs to be tested in a high-pressure chamber before being deployed, and for some sensors which are not pressure-resistant, such as a camera lens and the like, the sensors can be considered to be installed in a metal or glass fiber reinforced plastic pressure-resistant chamber and then fixed into a system. Because the structure of the soft electronic shell 1 and the internal oil-filled design has excellent acoustic and electromagnetic wave transmission properties, the acoustic sensor and the electromagnetic wave communication antenna can be directly installed in the system without a special external transducer and an antenna pressure-resistant cabin. The invention is a working foundation of the pressure-guiding shell, which is filled with oil and can bear pressure, and an electronic, battery and sensing system.
The electronic housing 1 may be made of a flexible pressure-guiding material, or may be made of a rigid material, such as polyethylene or an alloy. The flexible pressure guide shell 2 is used as a pressure coupling medium, the pressure guide shell 2 is made of corrosion-resistant rubber and high-density polyethylene, and the pressure guide shell 2 couples background pressure into the electronic shell 1. The electronic shell 1 is filled with filling oil 3 with strong electrical insulation property and low thermal conductivity, and the filling oil 3 mainly has the functions of balancing pressure inside the electronic shell 1, performing electrical insulation protection and thermal isolation on an electronic system and sealing the internal system. The filling oil has good incompressibility, so the deformation amount caused by reaching the balance background pressure is small, and the requirements on mechanical tensile strength and compression resistance of the shell and the pressure guide material are not high. The pressure guide shell 2 is fixed on the shell by using an anti-corrosion metal hoop and an O-shaped sealing ring and a screw to realize sealing. The pressure-bearing electronic system 5, the battery and the sensor are designed to resist pressure, and can bear background pressure.
Example 2
Referring to fig. 4-9, since air can be dissolved in oil, the solubility depends on the air pressure and temperature. When air is dissolved in oil, the system is not problematic, but when the pressure and the temperature change, the air is easily released from the oil and a plurality of bubbles are formed, so that the incompressibility of the hydraulic oil is influenced, and the normal operation of an electronic system is also interfered. Therefore, measures are taken to prevent air from being mixed into the system when preparing the oil-filled system. The invention provides a preparation process of a high-voltage-resistant electronic system based on oil filling in a pressure guide shell, which takes a hemispherical structure as an example and explains a preparation process;
firstly, a pressure-bearing battery 4, a pressure-bearing electronic system 5, a sensor 6 and a circuit board are configured and connected in an electronic shell 1 through connecting wires, and are installed and fixed;
step two, completely immersing the electronic shell 1, the pressure guide shell 2, the O-shaped sealing ring and the screw which are installed in the step one into a container 8 filled with oil;
step three, sealing the container 8, reducing the pressure by using a vacuum pump, discharging the air in the container 8, and keeping the air for 24 hours; ensuring complete evacuation of the air dissolved in the oil.
Step four, after the oil charge of the electronic shell 1 is completely saturated, the sealing of the container 8 is removed, the pressure guide shell 2 and the electronic shell 1 are fixed in an oil seal through an O-shaped sealing ring and a screw, the pressure guide shell 2 and the electronic shell 1 are sealed, and the oil charge of the electronic shell 1 and the electronic shell 1 is in a saturated state at the moment;
and fifthly, taking out the sealed pressure guide shell 2 and the sealed electronic shell 1, cleaning external grease, and putting the grease into a pressure bin for a compression seal test.
The working principle of the invention is as follows: the internal pressure-bearing electronic system 5 comprises a pressure-bearing battery and a circuit board, wherein a sensor is in pressure-bearing design and is directly arranged in a soft shell and is in contact with filling oil, and the pressure-bearing battery does not need to be protected by a metal, glass fiber reinforced plastic or ceramic pressure-resisting shell, so that the cost of a pressure-resisting cabin is reduced; the soft shell material is used as an external pressure-resistant bin, the background pressure is directly applied to the internal filling oil, and the soft shell material does not need to use high-strength alloy or glass fiber reinforced plastics; oil with high insulativity and low thermal conductivity is filled inside the insulating protective medium to be used as an insulating protective medium of an internal electronic system; the scheme of adding internal oil charge to the soft shell has excellent wave transmission property, and the acoustic sensor and the electromagnetic wave communication antenna can be directly installed in the system without a special external transducer and an antenna pressure-resistant bin;
the existence of pressure guide shell 2, the background pressure can directly be transmitted to the inside of the system, and when the internal and external pressures are balanced, the internal and external pressures of electronic shell 1 and pressure guide shell 2 are consistent, so that electronic shell 1 does not need to be made of pressure-bearing materials, thereby reducing the cost and weight and volume. Meanwhile, because the compression coefficient of the oil is very low, the internal pressure and the external pressure of the electronic shell 1 can be balanced by very small compression; the electronic housing 1 may be made of a flexible pressure-guiding material, or may be made of a rigid material, such as polyethylene or an alloy. The flexible pressure guide shell 2 is used as a pressure coupling medium, the pressure guide shell 2 is made of corrosion-resistant rubber and high-density polyethylene, and the pressure guide shell 2 couples background pressure into the electronic shell 1. The electronic shell 1 is filled with filling oil 3 with strong electrical insulation property and low thermal conductivity, and the filling oil 3 mainly has the functions of balancing pressure inside the electronic shell 1, performing electrical insulation protection and thermal isolation on an electronic system and sealing the internal system. The filling oil has good incompressibility, so the deformation amount caused by reaching the balance background pressure is small, and the requirements on mechanical tensile strength and compression resistance of the shell and the pressure guide material are not high. The pressure guide shell 2 is fixed on the shell by using an anti-corrosion metal hoop and an O-shaped sealing ring and a screw to realize sealing. The pressure-bearing electronic system 5, the battery and the sensor are designed to resist pressure, and can bear background pressure;
compared with the traditional alloy pressure-resistant bin structure, the system has the characteristics of low cost, small volume, light weight and flexible structure, and can greatly reduce the cost of the traditional pressure-resistant electronic system. Compared with the traditional titanium alloy pressure-resistant cabin, the pressure-resistant electronic system designed by the invention has the cost of only 5-10%, greatly reduces the manufacturing cost, has lighter weight and smaller group, and is suitable for large-scale transportation and deployment. In addition, the structure has excellent mechanical wave and electromagnetic wave transmission properties, the acoustic sensor and the electromagnetic wave communication antenna can be directly installed in the system, a special external transducer and an antenna pressure-resistant bin are not needed, the cost is further reduced, and the design is simplified. The structure provided by the invention has great significance in the fields of ocean detection and monitoring, submarine resource exploration, underwater robot design and manufacture, safety monitoring of sea-related building structures, high-pressure pipeline monitoring, underground petroleum detection and monitoring, national defense safety and the like.
The preparation process of the invention adopts measures during the preparation of the oil filling system to prevent air from mixing into the system, and can avoid the problems that when the pressure and the temperature change, the air is easy to release from oil and form a plurality of bubbles, which can affect the incompressibility of the hydraulic oil and interfere the normal work of an electronic system.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. A high-voltage resistant electronic system based on oil filling in a pressure guide shell is characterized by comprising an electronic shell (1), a pressure guide shell (2), filling oil (3), a pressure-bearing battery (4), a pressure-bearing electronic system (5), a sensor (6) and a sensor electrode interface (7), the top of the electronic shell (1) is fixedly provided with a pressure guide shell (2), the interior of the electronic shell (1) is fixedly provided with a pressure-bearing battery (4), the pressure-bearing battery (4) is connected with a pressure-bearing electronic system (5) through a connecting wire, the pressure-bearing electronic system (5) is positioned under the pressure-bearing battery (4), the pressure-bearing electronic system (5) is connected with the sensor (6) through a connecting wire, the sensor (6) is connected with a sensor electrode interface (7) through a connecting wire, the sensor electrode interface (7) is fixed on the surface of the electronic shell (1); the electronic shell (1) is filled with filling oil (3).
2. The high voltage resistant electronic system based on oil filling inside the pressure conduction shell according to claim 1, characterized in that the pressure conduction shell (2) is a flexible material; the electronic shell (1) is made of one of alloy, glass fiber reinforced plastic, ceramic, polystyrene, resin and flexible pressure-guiding material; the pressure-bearing electronic system (5) is a solid-state patch element.
3. The high voltage tolerant electronic system based on oil filling inside a pressure conduction housing according to claim 1, characterized in that the filling oil (3) is mineral oil.
4. The high-voltage resistant electronic system based on oil filling inside the pressure-conducting shell according to claim 1, characterized in that the pressure-conducting shell (2) is made of polypropylene or corrosion-resistant rubber material.
5. The high-voltage-resistant electronic system based on oil filling inside a pressure-guiding shell according to claim 1, characterized in that the pressure-bearing battery (4) is a sheet-shaped lithium ion battery.
6. The high-voltage-resistant electronic system based on oil filling in the pressure-conducting shell is characterized in that the electronic shell (1) and the pressure-conducting shell (2) are one of spherical, hemispherical and cylindrical.
7. The high-voltage resistant electronic system based on oil filling in the pressure-guiding shell is characterized in that the pressure-guiding shell (2) is fixed on the electronic shell (1) through a metal hoop, an O-shaped sealing ring and a screw.
8. The preparation process of the high-voltage-resistant electronic system based on oil filling in the pressure guide shell is characterized by comprising the following steps of:
firstly, a pressure-bearing battery (4), a pressure-bearing electronic system (5), a sensor (6) and a circuit board are configured and connected in an electronic shell (1) through connecting wires, and are installed and fixed;
step two, completely immersing the electronic shell (1), the pressure guide shell (2), the O-shaped sealing ring and the screw which are installed in the step one into a container (8) filled with oil;
step three, sealing the container (8), reducing the pressure by using a vacuum pump, discharging the air in the container (8), and keeping the air for 24 hours;
fourthly, after the electronic shell (1) is filled with oil to be saturated, the sealing of the container (8) is removed, the pressure guide shell (2) and the electronic shell (1) are fixed in an oil seal through an O-shaped sealing ring and a screw, the pressure guide shell (2) and the electronic shell (1) are sealed, and the electronic shell (1) are filled with oil in a saturated state;
and fifthly, taking out the sealed pressure guide shell (2) and the sealed electronic shell (1), cleaning external grease, and putting the grease into a pressure bin for a compression seal test.
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| US5595939A (en) * | 1994-03-04 | 1997-01-21 | Nippondenso Co., Ltd. | Liquid-sealed semiconductor pressure sensor and manufacturing method thereof |
| CN101072452A (en) * | 2005-12-27 | 2007-11-14 | 中国科学院声学研究所 | Deep-sea piezoelectric underwater-acoustic transducer and its manufacturing method |
| CN103196617A (en) * | 2013-03-21 | 2013-07-10 | 西安交通大学 | Cylinder type ultra-high-pressure sensor of side cavity oil charging structure |
| CN207060365U (en) * | 2017-08-25 | 2018-03-02 | 北京臻迪科技股份有限公司 | Underwater precharge pressure bascule and underwater sealing cabin and submariner device |
| CN109185458A (en) * | 2018-10-17 | 2019-01-11 | 秦川机床集团宝鸡仪表有限公司 | It is a kind of for improving the encapsulating method and its sealing device of toroid load cell insulation performance |
| CN109474871A (en) * | 2019-01-07 | 2019-03-15 | 中国科学院声学研究所北海研究站 | A kind of hydrophone and preparation method thereof |
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2020
- 2020-11-16 CN CN202011280607.1A patent/CN112539775A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595939A (en) * | 1994-03-04 | 1997-01-21 | Nippondenso Co., Ltd. | Liquid-sealed semiconductor pressure sensor and manufacturing method thereof |
| CN101072452A (en) * | 2005-12-27 | 2007-11-14 | 中国科学院声学研究所 | Deep-sea piezoelectric underwater-acoustic transducer and its manufacturing method |
| CN103196617A (en) * | 2013-03-21 | 2013-07-10 | 西安交通大学 | Cylinder type ultra-high-pressure sensor of side cavity oil charging structure |
| CN207060365U (en) * | 2017-08-25 | 2018-03-02 | 北京臻迪科技股份有限公司 | Underwater precharge pressure bascule and underwater sealing cabin and submariner device |
| CN109185458A (en) * | 2018-10-17 | 2019-01-11 | 秦川机床集团宝鸡仪表有限公司 | It is a kind of for improving the encapsulating method and its sealing device of toroid load cell insulation performance |
| CN109474871A (en) * | 2019-01-07 | 2019-03-15 | 中国科学院声学研究所北海研究站 | A kind of hydrophone and preparation method thereof |
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