CN210952741U - Indirect measurement type depth gauge for underwater robot - Google Patents

Indirect measurement type depth gauge for underwater robot Download PDF

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Publication number
CN210952741U
CN210952741U CN201922260175.7U CN201922260175U CN210952741U CN 210952741 U CN210952741 U CN 210952741U CN 201922260175 U CN201922260175 U CN 201922260175U CN 210952741 U CN210952741 U CN 210952741U
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China
Prior art keywords
pressure
end cover
casing
biography
underwater robot
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CN201922260175.7U
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Chinese (zh)
Inventor
欧阳赛赛
齐心
张奇峰
唐实
杜林森
霍良青
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Shenyang Institute of Automation of CAS
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Shenyang Institute of Automation of CAS
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Priority to CN201922260175.7U priority Critical patent/CN210952741U/en
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Abstract

The utility model relates to an indirect measurement formula depth gauge for underwater robot, including casing, biography pressure end cover, conversion end cover, seal pin, pressure sensor and biography pressure diaphragm, wherein casing one end links firmly with biography pressure end cover seal, and the other end links firmly with conversion end cover seal, and pressure sensor locates in the casing, the casing is close to biography pressure end cover one end and is equipped with pressure cabin and seal pin, be equipped with the biography pressure passageway in the seal pin, be equipped with the biography pressure through-hole in the biography pressure end cover, the pressure cabin passes through the biography pressure passageway with biography pressure through-hole intercommunication, just be full of hydraulic oil in pressure cabin, biography pressure passageway and the biography pressure through-hole, it is equipped with the biography pressure diaphragm to pass through pressure sensor detection pressure. The utility model discloses indirect detection sea water pressure, light in weight is small, high pressure resistant, and corrosion resistance is strong, can be used for the deep sea environment for a long time and keep high measurement accuracy.

Description

Indirect measurement type depth gauge for underwater robot
Technical Field
The utility model belongs to the technical field of underwater robot detecting device and specifically relates to an indirect measurement formula depth gauge for underwater robot.
Background
The underwater robot is one of key devices for ocean engineering construction and ocean scientific research, and the depth gauge is an important detection device of the underwater robot. Because the working environment of the underwater robot is severe, strict requirements are imposed on the weight and the volume of the robot and the carried equipment, the pressure resistance of the equipment and the sealing ring capacity. The depth gauge structure form among the prior art generally is that measuring medium direct contact surveys the component, and the depth gauge of this kind of form performs better when being used for good environment, but uses in the deep sea environment and has very big risk, mainly has two points: one is that the sensor is soaked in high-pressure seawater for a long time, and has extremely high requirements on the corrosion resistance of the material; secondly, the salt in the seawater is easy to separate out and attach to the surface of the sensor detection element, or blocks the medium channel, and the measurement precision is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indirect measurement formula depth gauge for underwater robot, light in weight is small, and is high pressure resistant, and the corrosion resistance is strong, can be used for the deep sea environment for a long time and keep high measurement accuracy.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an indirect measurement formula depth gauge for underwater robot, includes the casing, passes and presses end cover, conversion end cover, seal pin, pressure sensor and biography pressure diaphragm, and wherein casing one end links firmly with biography pressure end cover seal, and the other end links firmly with conversion end cover seal, and pressure sensor locates in the casing, the casing is close to biography pressure end cover one end and is equipped with pressure cabin and seal pin, be equipped with in the seal pin and pass and press the passageway, be equipped with in passing the pressure end cover and pass and press the through-hole, the pressure cabin passes through pass and press the passageway with pass and press the through-hole intercommunication, just be full of hydraulic oil in pressure cabin, biography pressure passageway and the biography pressure through-hole, it is equipped with and passes through to pass to press the through casing one end, the pressure.
The pressure transmitting diaphragm is fixed on the pressure transmitting end cover through a diaphragm pressing cover.
And a watertight socket is arranged on the conversion end cover.
The conversion end cover is connected with the shell through a bolt, a conversion end cover groove is formed in the conversion end cover and is embedded with the end portion of the shell, a radial sealing ring is arranged between the groove wall of the conversion end cover groove and the outer wall of the shell, and an axial sealing ring is arranged between the groove bottom of the conversion end cover groove and the end face of the shell.
Pass through bolted connection with the casing and pass through the biography pressure end cover, just be equipped with on the biography pressure end cover pass the pressure end cover recess with casing tip gomphosis, be equipped with radial sealing washer between the cell wall of biography pressure end cover recess and the casing outer wall, be equipped with axial sealing washer between the tank bottom of passing pressure end cover recess and the casing terminal surface.
And two ends of the seal pin are conical and are respectively connected with the pressure transmission end cover and the pressure sensor in a sealing way.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses utilize the hydraulic oil in the pressure chamber to detect sea water pressure indirectly, pressure sensor needn't expose in the sea water through the casing protection, has improved pressure sensor's high pressure resistant and corrosion resisting ability greatly, can be used for the deep sea environment for a long time and keep high measurement accuracy.
2. The utility model discloses be bolted connection between the end cover of casing and both sides, convenient to detach maintains to pass and press all to be equipped with the recess on end cover and the conversion end cover and detain and arrange housing end portion in and fully guarantee to connect sealedly through axial sealing washer and radial seal circle, avoid the sea water to invade in the casing.
3. The utility model discloses light in weight, it is small, do benefit to popularization and application.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is an enlarged view at a in figure 1,
fig. 3 is an enlarged view of fig. 1 at B.
Wherein, 1, a shell; 2. a sensing end cap; 3. end cover conversion; 4. a seal pin; 5. a pressure sensor; 6. a watertight socket; 7. a diaphragm gland bush; 8. a pressure transmitting membrane; 9. a pressure chamber; 10. a pressure transmission channel; 11. an axial seal ring; 12. a radial seal ring; 13. converting an end cover groove; 14. and a pressure transmitting end cover groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model comprises a shell 1, a pressure transmitting end cap 2, a conversion end cap 3, a seal pin 4, a pressure sensor 5 and a pressure transmitting diaphragm 8, wherein one end of the shell 1 is hermetically and fixedly connected with the pressure transmitting end cap 2, the other end is hermetically and fixedly connected with the conversion end cap 3, the pressure sensor 5 is arranged in the shell 1, one end of the shell 1 close to the pressure transmitting end cap 2 is provided with a pressure cabin 9 and the seal pin 4, a pressure transmitting channel 10 is arranged in the seal pin 4, a pressure transmitting through hole is arranged in the pressure transmitting end cap 2, the pressure cabin 9 is communicated with the pressure transmitting through hole through the pressure transmitting channel 10, one end of the pressure transmitting through hole far away from the shell 1 is provided with the pressure transmitting diaphragm 8, the pressure transmitting diaphragm 8 is fixed outside the pressure transmitting end cap 2 through a diaphragm press cover 7, the pressure cabin 9, the pressure transmitting channel 10 and the pressure transmitting through hole are filled with hydraulic oil, and the, the outer side of the pressure transmission diaphragm 8 is seawater. In this embodiment, the pressure transmitting diaphragm 8 is made of a flexible composite material.
As shown in fig. 1, a watertight socket 6 is provided on the conversion end cap 3, an output line of the pressure sensor 5 is led out through the watertight socket 6, the watertight socket 6 is in threaded connection with the conversion end cap 3, and both the pressure sensor 5 and the watertight socket 6 are known in the art and are commercially available products.
As shown in fig. 1 and 3, the conversion end cover 3 is connected with the housing 1 through a bolt, a conversion end cover groove 13 is arranged on the conversion end cover 3 and is embedded with the end portion of the housing 1, a radial seal ring 12 is arranged between the groove wall of the conversion end cover groove 13 and the outer wall of the housing 1, and an axial seal ring 11 is arranged between the groove bottom of the conversion end cover groove 13 and the end surface of the housing 1.
As shown in fig. 1-2, the pressure transmitting end cover 2 is connected with the casing 1 through a bolt, a pressure transmitting end cover groove 14 is arranged on the pressure transmitting end cover 2 and is embedded with the end part of the casing 1, a radial sealing ring 12 is arranged between the groove wall of the pressure transmitting end cover groove 14 and the outer wall of the casing 1, and an axial sealing ring 11 is arranged between the groove bottom of the pressure transmitting end cover groove 14 and the end surface of the casing 1.
As shown in fig. 2, the two ends of the seal pin 4 are tapered and are respectively connected with the pressure transmitting end cover 2 and the pressure sensor 5 in a sealing manner.
The utility model discloses a theory of operation does:
the utility model discloses the during operation, pass and press diaphragm 8 to pass to press the hydraulic oil in the through-hole on passing pressure end cover 2 by outside sea water pressure effect and exert pressure to transmit outside sea water pressure to pressure cabin 9 in through hydraulic oil, and then detect pressure cabin 9 pressure by pressure sensor 5, also measure sea water pressure, measured data is passed through the processing at last and is transmitted for underwater robot by 6 output of watertight socket. The utility model discloses utilize the hydraulic oil indirect detection sea water pressure in the pressure chamber 9, pressure sensor 5 needn't expose in the sea water through 1 protection of casing, improved pressure sensor 5's high pressure resistant and corrosion resisting ability greatly, can be used for the deep sea environment for a long time and keep high measurement accuracy.

Claims (6)

1. An indirect measurement type depth gauge for an underwater robot, characterized in that: comprises a shell (1), a pressure transmitting end cover (2), a conversion end cover (3), a sealing pin (4), a pressure sensor (5) and a pressure transmitting diaphragm (8), wherein one end of the shell (1) is fixedly connected with the pressure transmitting end cover (2) in a sealing way, the other end of the shell is fixedly connected with the conversion end cover (3) in a sealing way, the pressure sensor (5) is arranged in the shell (1), one end of the shell (1) close to the pressure transmitting end cover (2) is provided with a pressure chamber (9) and a sealing pin (4), a pressure transmission channel (10) is arranged in the seal pin (4), a pressure transmission through hole is arranged in the pressure transmission end cover (2), the pressure cabin (9) is communicated with the pressure transmitting through hole through the pressure transmitting channel (10), and the pressure chamber (9), the pressure transfer channel (10) and the pressure transfer through hole are filled with hydraulic oil, one end of the pressure transmitting through hole, which is far away from the shell (1), is provided with a pressure transmitting membrane (8), the pressure chamber (9) detects the pressure by means of the pressure sensor (5).
2. The indirect measurement depth gauge for an underwater robot of claim 1, wherein: the pressure transmitting diaphragm (8) is fixed on the pressure transmitting end cover (2) through a diaphragm gland (7).
3. The indirect measurement depth gauge for an underwater robot of claim 1, wherein: and a watertight socket (6) is arranged on the conversion end cover (3).
4. The indirect measurement depth gauge for an underwater robot of claim 1, wherein: conversion end cover (3) and casing (1) pass through bolted connection, just be equipped with on conversion end cover (3) conversion end cover recess (13) with casing (1) tip gomphosis, be equipped with radial sealing washer (12) between the cell wall of conversion end cover recess (13) and casing (1) outer wall, be equipped with axial sealing washer (11) between the tank bottom of conversion end cover recess (13) and casing (1) terminal surface.
5. The indirect measurement depth gauge for an underwater robot of claim 1, wherein: pass and press end cover (2) and casing (1) to pass through bolted connection, just it passes to press end cover recess (14) and be equipped with on passing press end cover (2) casing (1) tip gomphosis, pass to be equipped with radial seal circle (12) between the cell wall of pressing end cover recess (14) and casing (1) outer wall, pass to be equipped with axial seal circle (11) between the tank bottom of pressing end cover recess (14) and casing (1) terminal surface.
6. The indirect measurement depth gauge for an underwater robot of claim 1, wherein: and two ends of the sealing pin (4) are conical and are respectively connected with the pressure transmitting end cover (2) and the pressure sensor (5) in a sealing manner.
CN201922260175.7U 2019-12-17 2019-12-17 Indirect measurement type depth gauge for underwater robot Active CN210952741U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922260175.7U CN210952741U (en) 2019-12-17 2019-12-17 Indirect measurement type depth gauge for underwater robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922260175.7U CN210952741U (en) 2019-12-17 2019-12-17 Indirect measurement type depth gauge for underwater robot

Publications (1)

Publication Number Publication Date
CN210952741U true CN210952741U (en) 2020-07-07

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Application Number Title Priority Date Filing Date
CN201922260175.7U Active CN210952741U (en) 2019-12-17 2019-12-17 Indirect measurement type depth gauge for underwater robot

Country Status (1)

Country Link
CN (1) CN210952741U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112985314A (en) * 2019-12-17 2021-06-18 中国科学院沈阳自动化研究所 Indirect measurement type depth gauge for underwater robot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112985314A (en) * 2019-12-17 2021-06-18 中国科学院沈阳自动化研究所 Indirect measurement type depth gauge for underwater robot

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