CN212303095U - Underwater dynamic pressure sensor mounting device - Google Patents
Underwater dynamic pressure sensor mounting device Download PDFInfo
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- CN212303095U CN212303095U CN202020839806.0U CN202020839806U CN212303095U CN 212303095 U CN212303095 U CN 212303095U CN 202020839806 U CN202020839806 U CN 202020839806U CN 212303095 U CN212303095 U CN 212303095U
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- pressure sensor
- dynamic pressure
- sleeve pipe
- water tank
- underwater
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- 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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Abstract
An object of the utility model is to disclose an underwater dynamic pressure sensor installation device, it includes mounting base, hollow sleeve pipe support and T type sleeve pipe, the mounting base welds on the internal surface of IRWST water tank, the bottom that the hollow sleeve pipe supported is fixed perpendicularly on the mounting base, the top that the hollow sleeve pipe supported is fixed perpendicularly with the face of meeting a current of T type sleeve pipe, be provided with the body of dynamic pressure sensor in the hollow sleeve pipe support, the pressure sensing diaphragm of dynamic pressure sensor sets up on the face of meeting a current of T type sleeve pipe, the cable of dynamic pressure sensor is drawn forth from the hollow sleeve pipe support; compared with the prior art, can carry out the suitability adjustment according to concrete installation carrier, reduce the influence that interim device installation caused to unit formal equipment effectively, reduce the distance between dynamic pressure sensor incident flow face and the IRWST water tank inner wall, ensure that the data and the IRWST water tank internal face depth of parallelism unanimous that dynamic pressure sensor surveyed, realize that the sensor surveyed data and IRWST water tank internal face dynamic impact load unanimously, realize the utility model aims at.
Description
Technical Field
The utility model relates to an underwater dynamic pressure sensor installation device, in particular to an underwater dynamic pressure sensor installation device for debugging the passive reactor core cooling system of the follow-up project of AP/CAP.
Background
A passive core cooling system (hereinafter referred to as PXS) is used as a special safety system of an AP/CAP series nuclear power plant, an automatic pressure relief system ADS123 level emission test of the system belongs to a key precondition for a unit to enter a charging stage, is a key point and a key point of nuclear island debugging, and is also an important test for verifying related functions of nuclear safety of the system.
Based on a PXS system containment built-in refueling water tank (hereinafter, IRWST) water tank design structure, the inner wall of the water tank does not have any available pressure measuring point, and meanwhile, no available existing structure can be provided with an underwater dynamic pressure sensor required by a test. In order to ensure that an ADS 123-level discharge test can be normally carried out and truly and effectively measure the dynamic load generated on the inner wall of the IRWST water tank during the discharge of the automatic pressure relief system, a tool for installing a dynamic pressure sensor needs to be temporarily additionally arranged on the inner wall of the water tank, so that the data measurement of the test dynamic load is realized, and the data measurement is used for analyzing related nuclear safety functions of the PXS system.
If the special underwater dynamic pressure sensor is not designed in the ADS 123-level discharge test of the automatic pressure relief system, the insufficient reliability of the installation of the dynamic pressure sensor, the insufficient waterproof sealing performance of the instrument, the insufficient parallelism between the pressure sensing surface of the sensor and the underwater inner part and the like can occur. Any problem of the instrument during the test can cause that the test data can not be really and effectively collected, and the relevant functions of the nuclear safety of the system can not be effectively verified and analyzed.
Therefore, there is a particular need for an underwater dynamic pressure sensor mounting apparatus that solves the above-mentioned problems of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an underwater dynamic pressure sensor installation device, to prior art's not enough, instrument installation back sealing reliability is high under water, and the cavity sleeve pipe supports the security good, and the matching nature of incident surface design and dynamic pressure sensor is good, can carry out the adaptability adjustment according to installation carrier structure, can be applied to with pile type nuclear power plant's automatic pressure release system ADS123 level emission test or other bench test period dynamic load test under water well.
The utility model provides a technical problem can adopt following technical scheme to realize:
the utility model provides an underwater dynamic pressure sensor installation device, its characterized in that, it includes mounting base, cavity sleeve pipe support and T type sleeve pipe, mounting base welds on the internal surface of IRWST water tank, the bottom vertical fixation that the cavity sleeve pipe supported is in on the mounting base, the top vertical fixation that the cavity sleeve pipe supported has T type sheathed tube head-on surface, be provided with dynamic pressure sensor's body in the cavity sleeve pipe supports, dynamic pressure sensor's pressure membrane setting is in on T type sheathed tube head-on surface, dynamic pressure sensor's cable is followed lead out in the cavity sleeve pipe supports.
In an embodiment of the present invention, the top of the hollow casing support is connected to the upstream side of the T-shaped casing by a screw connection.
In an embodiment of the present invention, the length of the hollow sleeve support matches the length of the dynamic pressure sensor body.
In an embodiment of the present invention, the hollow sleeve support is embedded with a rubber insulating layer, and the body of the dynamic pressure sensor is disposed in the rubber insulating layer.
In an embodiment of the present invention, the flow surface of the T-shaped sleeve is a smooth plane, a hole is disposed at a center of the flow surface of the T-shaped sleeve, and a pressure sensing diaphragm of the dynamic pressure sensor is installed in the hole.
In an embodiment of the present invention, the outer side of the cable of the dynamic pressure sensor is provided with a waterproof sealing soft sleeve.
Compared with the prior art, the underwater dynamic pressure sensor mounting device can be adjusted according to the specific mounting carrier, effectively reduce the influence of temporary device mounting on formal equipment of a unit, reduce the distance between the upstream surface of the dynamic pressure sensor and the inner wall of the IRWST water tank, ensure that the measured data of the dynamic pressure sensor is consistent with the parallelism of the inner wall surface of the IRWST water tank, realize the sealing between the dynamic pressure sensor and the upstream surface by the upstream surface of the T-shaped sleeve, realize the consistency of the measured data of the sensor and the dynamic impact load of the inner wall surface of the IRWST water tank, seal the cables of the dynamic pressure sensor and the connecting end part of the cables and the body by the waterproof sealing soft sleeve, prevent the dynamic pressure sensor from entering water due to the tail end in the test execution process, reduce the failure of instruments and cause the failure risk of tests, realize the purpose of the utility model.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
Fig. 1 is the structural schematic diagram of the underwater dynamic pressure sensor mounting device of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Examples
As shown in fig. 1, the utility model discloses an underwater dynamic pressure sensor installation device, it includes mounting base 2, the hollow sleeve supports 3 and T type sleeve pipe, mounting base 2 welds on the internal surface 1 of IRWST water tank, the bottom vertical fixation that the hollow sleeve pipe supported 3 is on mounting base 2, the top vertical fixation that the hollow sleeve pipe supported 3 has T type sheathed tube upstream face 4, be provided with dynamic pressure sensor 5's body in the hollow sleeve pipe supported 3, dynamic pressure sensor 5's pressure membrane sets up on T type sheathed tube upstream face 4, dynamic pressure sensor 5's cable is drawn forth from hollow sleeve pipe supports 3.
The material selection, the size and the surface flatness of the mounting base 2 are consistent with those of the inner surface 1 of the IRWST water tank, the material selection is consistent with that of the inner wall material of the water tank, so that the corrosion influence on formal equipment can not be generated during the use period after welding, and the safety of the formal equipment is ensured; the sensor is connected with the inner wall of the IRWST water tank through welding, so that the sensor cannot be damaged under the washing load of 5MPa and the temperature gradient of 150 ℃, and a reliable guarantee is provided for the structural stability of the dynamic pressure sensor 5.
The hollow sleeve support 3 is customized and processed according to the structural size of the dynamic pressure sensor 5, the interior of the hollow sleeve support is hollow, a bag-shaped structure is formed, the size of the bag-shaped structure can be just suitable for installation of the dynamic pressure sensor 5, the size of the hollow sleeve support 3 is small enough, the distance between the head-on surface 4 of the T-shaped sleeve and the inner surface 1 of the IRWST water tank is reduced, and the consistency of data measured by the dynamic pressure sensor 5 and dynamic impact load borne by the inner wall of the water tank is achieved. The rubber insulation protective layer is embedded in the hollow sleeve support 3, absolute insulation between the dynamic pressure sensor 5 and the hollow sleeve support 3 is achieved, interference to the dynamic pressure sensor 5 is reduced, and stability of the dynamic pressure sensor 5 is guaranteed.
The size of the incident flow surface 4 of the T-shaped sleeve is designed according to the size and the structure of a pressure sensing diaphragm of the dynamic pressure sensor 5, the incident flow surface 4 of the T-shaped sleeve is a smooth plane, a hole is formed in the center of the incident flow surface 4 of the T-shaped sleeve for mounting the dynamic pressure sensor 5, the dynamic pressure sensor 5 and the flow surface 4 of the T-shaped sleeve are sealed, the surface of the flow surface 4 of the T-shaped sleeve is smooth enough and flat, the surface is equivalent to the inner wall of an IRWST water tank, dynamic impact pressure diffusion is facilitated, measurement inaccuracy of the dynamic pressure sensor 5 is reduced, the T-shaped sleeve is of a hollow design and is provided with an internal thread structure, the thread size is matched with that of a hollow sleeve support 3 on the mounting base 2, the flow surface of the T-shaped sleeve is parallel to the inner wall of the IRWST water tank after the flow surface 4 of the T-shaped sleeve is mounted, the direction of dynamic impact load measured by the dynamic pressure sensor 5 is guaranteed to be the same as that of the inner wall of the IRWST water tank, and data measured by the dynamic pressure sensor 5 is guaranteed to.
The waterproof sealing soft sleeve 6 is connected with the hollow sleeve support 3, a signal transmission cable of the dynamic pressure sensor 5 enters the waterproof sealing soft sleeve 6 through the hollow sleeve support 3 and is led out of the water surface, the instrument and the cable are well sealed underwater, and the instrument is prevented from losing efficacy due to water entering the instrument during long-time underwater soaking.
The utility model discloses an underwater dynamic pressure sensor installation device realizes ADS123 level emission test period well, realizes that the reliable installation of dynamic pressure sensor under water, instrument are insulating, the instrument is waterproof etc. and the adjustment of the suitability of structure can realize that the instrument survey data is unanimous with the dynamic load that IRWST water tank inner wall bore simultaneously, ensures security, reliability and the data uniformity of instrument.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an underwater dynamic pressure sensor installation device, its characterized in that, it includes mounting base, cavity sleeve pipe support and T type sleeve pipe, mounting base welds on the internal surface of IRWST water tank, the bottom vertical fixation that the cavity sleeve pipe supported is on mounting base, the top vertical fixation that the cavity sleeve pipe supported has T type sheathed tube head-on face, be provided with dynamic pressure sensor's body in the cavity sleeve pipe supports, dynamic pressure sensor's pressure sensing diaphragm sets up on T type sheathed tube head-on face, dynamic pressure sensor's cable is followed lead out in the cavity sleeve pipe supports.
2. The underwater dynamic pressure sensor mounting device according to claim 1, wherein a top portion of the hollow sleeve support is connected to a flow surface of the T-shaped sleeve by means of a screw connection.
3. An underwater dynamic pressure sensor mounting apparatus as claimed in claim 1, wherein the hollow sleeve supports a length matching a length of the dynamic pressure sensor body.
4. An underwater dynamic pressure sensor mounting apparatus as claimed in claim 1, wherein the hollow sleeve support has a rubber insulating layer embedded therein, and the body of the dynamic pressure sensor is disposed within the rubber insulating layer.
5. The underwater dynamic pressure sensor mounting device according to claim 1, wherein the flow surface of the T-shaped sleeve is a smooth plane, an opening is provided at a central position of the flow surface of the T-shaped sleeve, and a pressure sensing diaphragm of the dynamic pressure sensor is mounted in the opening.
6. The underwater dynamic pressure sensor mounting apparatus according to claim 1, wherein a waterproof sealing soft sleeve is provided on an outer side of the cable of the dynamic pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020839806.0U CN212303095U (en) | 2020-05-19 | 2020-05-19 | Underwater dynamic pressure sensor mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020839806.0U CN212303095U (en) | 2020-05-19 | 2020-05-19 | Underwater dynamic pressure sensor mounting device |
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| Publication Number | Publication Date |
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| CN212303095U true CN212303095U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020839806.0U Active CN212303095U (en) | 2020-05-19 | 2020-05-19 | Underwater dynamic pressure sensor mounting device |
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| CN (1) | CN212303095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584105A (en) * | 2020-05-19 | 2020-08-25 | 上海核工程研究设计院有限公司 | Underwater dynamic pressure sensor mounting device |
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2020
- 2020-05-19 CN CN202020839806.0U patent/CN212303095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584105A (en) * | 2020-05-19 | 2020-08-25 | 上海核工程研究设计院有限公司 | Underwater dynamic pressure sensor mounting device |
| CN111584105B (en) * | 2020-05-19 | 2024-05-03 | 上海核工程研究设计院股份有限公司 | Underwater dynamic pressure sensor mounting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210202 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: STATE NUCLEAR POWER ENGINEERING Co. Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220617 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: STATE NUCLEAR POWER ENGINEERING Co. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |