CN213451128U

CN213451128U - Liquid level sensor device of oil compensator of deep sea hydraulic station

Info

Publication number: CN213451128U
Application number: CN202022646214.XU
Authority: CN
Inventors: 杜君华
Original assignee: Wuxi Smank Automation Technology Co ltd
Current assignee: Wuxi Smank Automation Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-15
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a deep sea hydraulic pressure station fluid compensator level sensor device, including water cavity barrel, oil cavity barrel fixed connection is at the top of water cavity barrel, and inside being linked together of water cavity barrel, oil cavity barrel, the inside of water cavity barrel is provided with the piston, the bottom fixedly connected with bottom of water cavity barrel, the fixed surface of piston installs the sensor magnetic ring, fixedly connected with spring between piston and the bottom, the top fixedly connected with pressure sensor, the displacement sensor of oil cavity barrel, displacement sensor's side lever inserts to the inside of piston. The utility model discloses, to hydraulic system oil mass real time monitoring under the deep sea, the system damage of avoiding lacking oil to lead to and the external pressure of sea water leads to hydraulic system impaired, and overall structure is simple, and data are accurate, to the simple to operate of sensor, are difficult to damage, and are with low costs.

Description

Liquid level sensor device of oil compensator of deep sea hydraulic station

Technical Field

The utility model relates to a hydraulic pressure station fluid compensator field for deep sea especially relates to deep sea hydraulic pressure station fluid compensator level sensor device.

Background

In deep sea hydraulic equipment there is a huge water pressure against which it is not feasible to maintain the equipment structurally and dynamically, and reasonable pressure compensation structures must be installed. The pressure compensator has special application condition and working condition load, and has certain difficulty in design and manufacture. Meanwhile, the monitoring of the oil liquid amount of the compensator is also an important item, so that the phenomenon that oil in a hydraulic system is lacked due to oil leakage, the system cannot work normally, and even equipment is damaged is avoided.

The external absolute pressure of deep sea (underwater 3km) can reach 30Mpa, and meanwhile, seawater corrodes the environment, and a conventional liquid level sensor cannot be used in the environment, so that a device suitable for the environment needs to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the deep sea hydraulic pressure station fluid compensator level sensor device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the liquid level sensor device of the oil compensator of the deep sea hydraulic station comprises a water cavity barrel and an oil cavity barrel, wherein the oil cavity barrel is fixedly connected to the top of the water cavity barrel, the interiors of the water cavity barrel and the oil cavity barrel are communicated, a piston is arranged in the water cavity barrel, and the bottom of the water cavity barrel is fixedly connected with a bottom cover;

a sensor magnetic ring is fixedly arranged on the surface of the piston, and a spring is fixedly connected between the piston and the bottom cover;

the top of the oil cavity cylinder is fixedly connected with a pressure sensor and a displacement sensor, and a side rod of the displacement sensor is inserted into the piston.

As a further description of the above technical solution:

the bottom fixedly connected with guide sleeve of bottom, guide sleeve's inside is provided with the uide bushing, guide sleeve is the inside of spring.

As a further description of the above technical solution:

the lower surface of the piston is fixedly connected with a piston rod, and the bottom of the piston rod extends to the inside of the guide sleeve.

As a further description of the above technical solution:

the surface of the piston is provided with a piston cap.

As a further description of the above technical solution:

and a diaphragm is arranged on the inner wall of the water cavity cylinder.

As a further description of the above technical solution:

the sensor comprises an oil cavity cylinder, a displacement sensor and a watertight cable plug, wherein the top of the oil cavity cylinder is fixedly connected with a sensor housing on the outer side of the displacement sensor, and the watertight cable plug is arranged at the top of the sensor housing.

As a further description of the above technical solution:

and a safety valve and an air relief opening are arranged at the top of the oil cavity cylinder and positioned on the outer side of the sensor housing.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the liquid level sensor device of the oil compensator of the deep sea hydraulic station monitors the oil quantity of a hydraulic system under the deep sea in real time, avoids system damage caused by oil shortage and prevents the hydraulic system from being damaged due to the external pressure of the sea water.

2. Compared with the prior art, the liquid level sensor device of the oil compensator of the deep sea hydraulic station has the advantages of simple overall structure, accurate data, convenience in installation of the sensor, difficulty in damage and low cost.

Drawings

Fig. 1 is a schematic view of the overall structure of a liquid level sensor device of a deep sea hydraulic station oil liquid compensator according to the present invention;

fig. 2 is an overall structure front view of the liquid level sensor device of the oil liquid compensator of the deep sea hydraulic station provided by the utility model;

fig. 3 is a schematic structural diagram of B-B in fig. 2 of the deep sea hydraulic station oil liquid level compensator device provided by the utility model.

Illustration of the drawings:

1. a water cavity cylinder; 2. an oil chamber cylinder; 3. a piston; 4. a piston cap; 5. a piston rod; 6. a sensor magnetic ring; 7. a displacement sensor; 8. a bottom cover; 9. a diaphragm; 10. a spring; 11. a pressure sensor; 12. a sensor housing; 13. a watertight cable plug; 14. a guide sleeve; 15. a guide sleeve; 16. a safety valve; 17. and (4) an air release port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the utility model provides a deep sea hydraulic pressure station fluid compensator level sensor device: including water cavity barrel 1,

oil cavity barrel

2, 2 fixed connection at the top of water cavity barrel 1 of oil cavity barrel, and

water cavity barrel

1, 2 inside being linked together of oil cavity barrel, water cavity barrel 1 is linked together with external sea water, wherein the inside of water cavity barrel 1 is provided with piston 3, piston 3 moves under the effect of pressure, and then change the inner space of water cavity barrel 1 and oil cavity barrel 2, the bottom fixedly connected with bottom 8 of water cavity barrel 1, can regard as spring 10, guide sleeve 15's installation main part.

Fixed surface of piston 3 has sensor magnetic ring 6, drive sensor magnetic ring 6 through piston 3 and move, and then cooperation displacement sensor 7 detects piston 3's amount of movement, fixedly connected with spring 10 between piston 3 and the bottom 8, spring 10 can play certain cushioning effect to piston 3, the bottom fixedly connected with guide sleeve 15 of bottom 8, guide sleeve 15's inside is provided with uide bushing 14, provide stability for piston rod 5's motion, guide sleeve 15 is spring 10's inside, can buckle spring 10.

Top fixedly connected with pressure sensor 11 of oil chamber barrel 2, displacement sensor 7's side lever inserts the inside to piston 3, displacement sensor 7 forms the cooperation with sensor magnetic ring 6, be convenient for realize the monitoring to the motion of piston 3, the top of oil chamber barrel 2 just is located displacement sensor 7's outside fixedly connected with sensor housing 12, have the protection effect to displacement sensor 7 and pressure sensor 11, the top of sensor housing 12 is provided with watertight cable plug 13, the device is connected with external switch board during through watertight cable plug 13.

The lower fixed surface of piston 3 is connected with piston rod 5, and the bottom of piston rod 5 extends to the inside of uide bushing 14, and the surface of piston 3 is provided with piston cap 4, and positive piston 3's stability, the inner wall of water chamber barrel 1 are provided with diaphragm 9, have higher wearability, increase the life of device, and the top of oil chamber barrel 2 just is located the outside of sensor housing 12 and is provided with relief valve 16, relief port 17, guarantees the safety in utilization performance of device.

The working principle is as follows: the water cavity barrel 1 is communicated with external seawater (underwater 3km, the absolute pressure is 30Mpa), the oil cavity barrel 2 is connected with a hydraulic system (such as an oil tank) needing pressure compensation (the absolute pressure is 30Mpa), the piston 3 moves in the oil cavity barrel according to the change of oil, the piston 3 needs to be monitored and measured for monitoring the oil quantity, the displacement sensor 7 is additionally arranged, a measuring rod of the displacement sensor 7 is inserted into the piston 3, a piston rod 5 and a sensor magnetic ring 6 are arranged on the piston 3 and matched with the displacement sensor 7 to realize the displacement monitoring effect, but because an electronic cabin of the displacement sensor 7 cannot resist pressure, oil and water, the sensor housing 12 is required to be protected, and a sensor signal is connected with a control cabinet through a watertight.

The oil mass monitoring is calculated, and the maximum oil storage capacity of the compensator is as follows: and finally, monitoring the change of the oil liquid amount by a monitoring system through converting the corresponding relation between the analog output value of the displacement sensor and the piston stroke L.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Deep sea hydraulic pressure station fluid compensator level sensor device, its characterized in that: the oil cavity type oil pump comprises a water cavity cylinder body (1) and an oil cavity cylinder body (2), wherein the oil cavity cylinder body (2) is fixedly connected to the top of the water cavity cylinder body (1), the water cavity cylinder body (1) and the oil cavity cylinder body (2) are communicated with each other, a piston (3) is arranged in the water cavity cylinder body (1), and the bottom of the water cavity cylinder body (1) is fixedly connected with a bottom cover (8);

a sensor magnetic ring (6) is fixedly arranged on the surface of the piston (3), and a spring (10) is fixedly connected between the piston (3) and the bottom cover (8);

the top of the oil cavity cylinder (2) is fixedly connected with a pressure sensor (11) and a displacement sensor (7), and a side rod of the displacement sensor (7) is inserted into the piston (3).

2. The deep sea hydraulic station oil compensator liquid level sensor apparatus of claim 1, wherein: the bottom of bottom cover (8) fixedly connected with guide sleeve (15), guide sleeve (14) are provided in guide sleeve (15), guide sleeve (15) is the inside of spring (10).

3. The deep sea hydraulic station oil compensator liquid level sensor apparatus of claim 1, wherein: the lower surface of the piston (3) is fixedly connected with a piston rod (5), and the bottom of the piston rod (5) extends into the guide sleeve (14).

4. The deep sea hydraulic station oil compensator liquid level sensor apparatus of claim 1, wherein: and a piston cap (4) is arranged on the surface of the piston (3).

5. The deep sea hydraulic station oil compensator liquid level sensor apparatus of claim 1, wherein: and a diaphragm (9) is arranged on the inner wall of the water cavity cylinder body (1).

6. The deep sea hydraulic station oil compensator liquid level sensor apparatus of claim 1, wherein: the sensor is characterized in that a sensor housing (12) is fixedly connected to the top of the oil chamber cylinder (2) and located on the outer side of the displacement sensor (7), and a watertight cable plug (13) is arranged at the top of the sensor housing (12).

7. The deep sea hydraulic station oil compensator liquid level sensor apparatus of claim 1, wherein: and a safety valve (16) and an air relief port (17) are arranged at the top of the oil cavity cylinder (2) and positioned on the outer side of the sensor housing (12).