CN213748829U - LNG storage tank low temperature sensor - Google Patents

Abstract

The utility model discloses a LNG storage tank cryogenic sensor, including sensor body, mesh, protection casing, response end and cable, the protection casing is installed to sensor body's bottom, and all is equipped with protective structure on two inside walls at protection casing top to all be equipped with the mesh on the outer wall of protection casing both sides, the one end of mesh extends to the inside of protection casing, the central point department of putting of sensor body bottom is equipped with the response end, and is equipped with the link on the sensor body one side outer wall of protection casing top to the one end that the sensor body was kept away from to the link is fixed with the locating plate, and the central point department of putting on sensor body top installs the cable. The utility model discloses not only reduced cable and sensor body's hookup location department when cryogenic sensor uses and produced cracked phenomenon, prolonged cryogenic sensor's life, improved the convenience when cryogenic sensor uses moreover.

Description

LNG storage tank low temperature sensor

Technical Field

The utility model relates to a cryogenic sensor technical field specifically is LNG storage tank cryogenic sensor.

Background

The LNG storage tank is an LNG gas cylinder, which belongs to a vertical cylindrical tank for containing LNG, and in order to ensure safety in daily use, the LNG storage tank needs to monitor the temperature thereof when being used, and thus a corresponding low temperature sensor is required.

The low-temperature sensors on the market are various and can basically meet the use requirements, but certain defects still exist, and the specific problems are as follows.

(1) The existing low-temperature sensor is inconvenient for carrying out anti-folding treatment on a cable, so that the connecting position of the cable and the sensor body is easy to break;

(2) the conventional low-temperature sensor is inconvenient for protecting the sensing end, so that the sensing end is easily damaged by external factors, and the service life is influenced;

(3) the existing low-temperature sensor is inconvenient to install and process quickly, so that the installation is inconvenient, the working efficiency is influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new LNG storage tank cryogenic sensor to it is not convenient for prevent book the processing, is not convenient for protect the response end and is not convenient for carry out the problem of installing the processing fast to solve among the above-mentioned background art to provide cryogenic sensor.

In order to achieve the above object, the utility model provides a following technical scheme: LNG storage tank cryogenic sensor, including sensor body, mesh, protection casing, response end and cable, the protection casing is installed to sensor body's bottom, and all is equipped with protective structure on the two inside walls at protection casing top to all be equipped with the mesh on the outer wall of protection casing both sides, the one end of mesh extends to the inside of protection casing, the central point department of putting of sensor body bottom is equipped with the response end, and is equipped with the link on the sensor body one side outer wall of protection casing top to the link is kept away from the one end of sensor body and is fixed with the locating plate, and the central point department of putting on sensor body top installs the cable.

Preferably, the corner position department of locating plate one side outer wall all is equipped with the pinhole, and installs the locating pin on the locating plate outer wall of pinhole position department, and the one end of locating pin runs through the pinhole and extends to the outside of locating plate to low temperature sensor carries out quick installation processing.

Preferably, protective structure's inside is equipped with sealing washer, arc fixture block and arc draw-in groove in proper order, all be equipped with the arc draw-in groove on two inside walls of sensor body bottom to settle the processing to the arc fixture block.

Preferably, the internally mounted of arc draw-in groove has the arc fixture block, the one end of arc fixture block extend to the outside of arc draw-in groove and with the inner wall fixed connection of protection casing, and install the sealing washer on the sensor body inner wall of arc fixture block top, the inner wall of sealing washer touches mutually with the outer wall of sensor body to protect the processing to the induction end.

Preferably, the protection casing bottom in the response end outside is equipped with the seat of placeeing, and the central point department at seat top of placeeing is equipped with the groove of placeeing to settle the processing to the bottom of response end.

Preferably, the outer wall of cable one end is gone up the winding and is had reset spring, and reset spring's bottom is connected with the top of sensor body, and the sensor body top in the reset spring outside is fixed with the internal thread post to carry out spacing processing to the cable.

Preferably, the internal thread of internal thread post is connected with the external screw thread post, and the top of external screw thread post extends to the outside of internal thread post, and all is equipped with the limiting plate on the inner wall of external screw thread post both sides, and the one end of limiting plate touches mutually with reset spring's outer wall to avoid reset spring to break away from to the outside of external screw thread post.

Compared with the prior art, the beneficial effects of the utility model are that: the LNG storage tank low-temperature sensor not only reduces the phenomenon that the connecting position of the cable and the sensor body is broken when the low-temperature sensor is used, prolongs the service life of the low-temperature sensor, but also improves the convenience when the low-temperature sensor is used;

(1) the internal thread column, the external thread column, the reset spring and the limiting plates are arranged, the external thread column is screwed into the internal thread column by rotating the external thread column, and the reset spring cannot be separated from the external thread column due to the fact that the two groups of limiting plates limit the bottom of the reset spring, so that the reset spring can perform anti-folding treatment on the cable, and the phenomenon that the connecting position of the cable and the sensor body is broken when the low-temperature sensor is used is reduced;

(2) the protective cover is sleeved at the bottom of the sensor body through the sealing ring, the arc-shaped clamping block and the arc-shaped clamping groove, so that the arc-shaped clamping block is buckled into the arc-shaped clamping groove, the sealing ring is positioned on the outer wall of the sensor body, and meanwhile, the bottom end of the sensing end is inserted into the placing groove formed in the top of the placing seat, so that the protective cover can be stably arranged on the outer side of the sensing end, the sensing end is protected, the damage phenomenon caused by external factors can be reduced, and the service life of the low-temperature sensor is prolonged;

(3) through being provided with link, locating plate, pinhole and locating pin, set up the locating plate in the outer wall of sensor body one side through the link, and rotatory locating pin again makes its one end run through pinhole and screw in to the outer wall of LNG storage tank, can install the processing fast to cryogenic sensor to the convenience when having improved cryogenic sensor and using.

Drawings

Fig. 1 is a schematic view of a front-view cross-sectional structure of the LNG storage tank cryogenic sensor of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of the LNG storage tank cryogenic sensor of the present invention;

fig. 3 is an enlarged schematic structural diagram of a location B in fig. 1 of the LNG storage tank cryogenic sensor of the present invention;

fig. 4 is a schematic view of a protective structure of the LNG storage tank cryogenic sensor of the present invention in cross-section and enlarged structure;

fig. 5 is the utility model discloses LNG storage tank low temperature sensor's locating plate looks sideways at enlarged schematic structure.

In the figure: 1. a sensor body; 2. a connecting frame; 3. positioning a plate; 4. a protective structure; 401. a seal ring; 402. an arc-shaped fixture block; 403. an arc-shaped clamping groove; 5. mesh openings; 6. a protective cover; 7. a placing groove; 8. a sensing end; 9. placing a seat; 10. a limiting plate; 11. a return spring; 12. an externally threaded post; 13. a cable; 14. an internally threaded post; 15. a pin hole; 16. and a positioning pin.

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.

Referring to fig. 1-5, the present invention provides an embodiment: the LNG storage tank low-temperature sensor comprises a sensor body 1, meshes 5, a protective cover 6, a sensing end 8 and a cable 13, wherein the protective cover 6 is installed at the bottom of the sensor body 1, protective structures 4 are arranged on two inner side walls of the top of the protective cover 6, a sealing ring 401, an arc-shaped clamping block 402 and an arc-shaped clamping groove 403 are sequentially arranged inside the protective structures 4, the two inner side walls of the bottom of the sensor body 1 are provided with the arc-shaped clamping grooves 403, the arc-shaped clamping block 402 is installed inside the arc-shaped clamping groove 403, one end of the arc-shaped clamping block 402 extends to the outside of the arc-shaped clamping groove 403 and is fixedly connected with the inner wall of the protective cover 6, the sealing ring 401 is installed on the inner wall of the sensor body 1 above the arc-shaped clamping block 402, and the inner wall of the sealing ring 401 is contacted with the outer wall of the sensor body 1;

the protective cover 6 is sleeved at the bottom of the sensor body 1, so that the arc-shaped clamping block 402 is buckled into the arc-shaped clamping groove 403, the sealing ring 401 is positioned on the outer wall of the sensor body 1, and meanwhile, the bottom end of the sensing end 8 is inserted into the arranging groove 7 arranged at the top of the arranging seat 9, so that the protective cover 6 can be stably arranged at the outer side of the sensing end 8, the sensing end 8 can be protected, the damage phenomenon caused by external factors can be reduced, and the service life of the low-temperature sensor is prolonged;

the outer walls of the two sides of the protective cover 6 are provided with meshes 5, one ends of the meshes 5 extend into the protective cover 6, the center of the bottom end of the sensor body 1 is provided with a sensing end 8, the bottom of the protective cover 6 outside the sensing end 8 is provided with a placing seat 9, and the center of the top of the placing seat 9 is provided with a placing groove 7 so as to place the bottom end of the sensing end 8;

the outer wall of one side of the sensor body 1 above the protective cover 6 is provided with a connecting frame 2, one end of the connecting frame 2, which is far away from the sensor body 1, is fixed with a positioning plate 3, the corner positions of the outer wall of one side of the positioning plate 3 are provided with pin holes 15, the outer wall of the positioning plate 3 at the positions of the pin holes 15 is provided with positioning pins 16, and one end of each positioning pin 16 penetrates through the pin holes 15 and extends to the outside of the positioning plate 3, so that the low-temperature sensor can be rapidly installed;

a cable 13 is installed at the center of the top end of the sensor body 1, a return spring 11 is wound on the outer wall of one end of the cable 13, the bottom end of the return spring 11 is connected with the top end of the sensor body 1, and an internal thread column 14 is fixed at the top end of the sensor body 1 outside the return spring 11 so as to limit the cable 13;

the inside threaded connection of internal thread post 14 has external screw thread post 12, and the top of external screw thread post 12 extends to the outside of internal thread post 14, and all is equipped with limiting plate 10 on the inner wall of external screw thread post 12 both sides, and limiting plate 10's one end touches mutually with reset spring 11's outer wall to avoid reset spring 11 to break away from to the outside of external screw thread post 12.

The working principle is as follows: when the low-temperature sensor is used, firstly, the positioning plate 3 is arranged on the outer wall of one side of the sensor body 1 through the connecting frame 2, then the positioning pin 16 is rotated, one end of the positioning pin penetrates through the pin hole 15 and is screwed into the outer wall of the LNG storage tank, so that the low-temperature sensor can be quickly installed and processed, the convenience of the low-temperature sensor in use is improved, then, the external threaded column 12 is screwed into the internal threaded column 14 through rotating the external threaded column 12, the bottom of the reset spring 11 is limited through the two groups of limiting plates 10, so that the reset spring 11 cannot be separated from the external part of the external threaded column 12, the cable 13 can be subjected to anti-folding processing through the reset spring 11, the phenomenon that the connecting position of the cable 13 and the sensor body 1 is broken when the low-temperature sensor is used is reduced, finally, the arc-shaped clamping block 402 is buckled into the arc-shaped clamping groove 403 through sleeving the protecting cover 6 on the bottom of the sensor body 1, sealing washer 401 then is located the outer wall of sensor body 1 this moment, and the bottom of response end 8 simultaneously inserts to the arrangement groove 7 inside that the top of arrangement seat 9 set up, can set up protection casing 6 in the outside of response end 8 firmly to protect response end 8 and handle, and then can reduce its phenomenon because of external factors produces the damage, prolonged low temperature sensor's life, thereby accomplish low temperature sensor's use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. LNG storage tank cryogenic sensor, including sensor body (1), mesh (5), protection casing (6), response end (8) and cable (13), its characterized in that: protection casing (6) are installed to the bottom of sensor body (1), and all are equipped with protective structure (4) on two inside walls at protection casing (6) top to all be equipped with mesh (5) on the outer wall of protection casing (6) both sides, the one end of mesh (5) extends to the inside of protection casing (6), the central point department of putting of sensor body (1) bottom is equipped with response end (8), and is equipped with link (2) on the outer wall of sensor body (1) one side of protection casing (6) top to the one end that sensor body (1) was kept away from in link (2) is fixed with locating plate (3), and central point department of putting on sensor body (1) top installs cable (13).
2. 2. The LNG tank cryogenic sensor of claim 1, wherein: the corner position department of locating plate (3) one side outer wall all is equipped with pinhole (15), and installs locating pin (16) on locating plate (3) outer wall of pinhole (15) position department, the one end of locating pin (16) runs through pinhole (15) and extends to the outside of locating plate (3).
3. 3. The LNG tank cryogenic sensor of claim 1, wherein: the sensor is characterized in that a sealing ring (401), an arc-shaped clamping block (402) and an arc-shaped clamping groove (403) are sequentially arranged inside the protective structure (4), and the arc-shaped clamping grooves (403) are formed in two inner side walls of the bottom of the sensor body (1).
4. 4. The LNG tank cryogenic sensor of claim 3, wherein: the sensor is characterized in that an arc-shaped clamping block (402) is arranged inside the arc-shaped clamping groove (403), one end of the arc-shaped clamping block (402) extends to the outside of the arc-shaped clamping groove (403) and is fixedly connected with the inner wall of the protective cover (6), a sealing ring (401) is arranged on the inner wall of the sensor body (1) above the arc-shaped clamping block (402), and the inner wall of the sealing ring (401) is in contact with the outer wall of the sensor body (1).
5. 5. The LNG tank cryogenic sensor of claim 1, wherein: the bottom of the protective cover (6) on the outer side of the induction end (8) is provided with a placing seat (9), and a placing groove (7) is formed in the center of the top of the placing seat (9).
6. 6. The LNG tank cryogenic sensor of claim 1, wherein: the sensor is characterized in that a return spring (11) is wound on the outer wall of one end of the cable (13), the bottom end of the return spring (11) is connected with the top end of the sensor body (1), and an internal thread column (14) is fixed at the top end of the sensor body (1) on the outer side of the return spring (11).
7. 7. The LNG storage tank cryogenic sensor of claim 6, wherein: the inside threaded connection of internal thread post (14) has external screw thread post (12), and the top of external screw thread post (12) extends to the outside of internal thread post (14), and all is equipped with limiting plate (10) on the inner wall of external screw thread post (12) both sides, and the one end of limiting plate (10) touches mutually with the outer wall of reset spring (11).

Images