CN217237018U

CN217237018U - Pipe gallery ambient temperature measuring sensor based on fiber grating

Info

Publication number: CN217237018U
Application number: CN202220387620.5U
Authority: CN
Inventors: 杨兰杰; 张华勇; 闫鹏; 贾润枝; 刘冰; 周岐文
Original assignee: SHANDONG HIGHWAY ENGINEERING TECHNOLOGY RESEARCH CENTER CO LTD; Tianjin Haidel Technology Co ltd; China National Chemical Communications Construction Group Coltd
Current assignee: SHANDONG HIGHWAY ENGINEERING TECHNOLOGY RESEARCH CENTER CO LTD; Tianjin Haidel Technology Co ltd; China National Chemical Communications Construction Group Coltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-19
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a piping lane ambient temperature measuring sensor based on fiber grating, including measuring sensor, sensor probe and mounting bracket, measuring sensor's internally mounted has the control chamber, the sensor probe is installed to measuring sensor's bottom, solid fixed ring is installed in the outside of sensor probe, measuring sensor's back mounted has the mounting bracket, the hydraulic stem is installed to solid fixed ring's bottom. The utility model discloses an install a lag section of thick bamboo in the bottom of go-between, the inboard of spread groove is installed to the grafting piece gomphosis and is made the installation between a lag section of thick bamboo and the solid fixed ring more convenient with the dismantlement, a lag section of thick bamboo can be fine protect sensor probe, avoided colliding with the damage that causes it, heat conduction aluminium foil piece has increased the heat conduction efficiency of a lag section of thick bamboo, can conduct heat to sensor probe fast, the efficiency of sensor detection temperature has been increased, measuring sensor's life has been prolonged.

Description

Pipe gallery ambient temperature measuring sensor based on fiber grating

Technical Field

The utility model relates to a temperature measurement sensor technical field specifically is a piping lane ambient temperature measurement sensor based on fiber grating.

Background

With the maturity of the ultraviolet light grating writing technology, the fiber bragg grating has a small volume as a high-quality sensing unit, can be remotely sensed and used in each scene of an engineering project, the most important sensing measurement of the fiber bragg grating is the cross sensitivity problem of temperature and stress, the temperature measuring sensor is a sensor capable of sensing temperature and converting the temperature into a usable output signal, and when the temperature reaches a preset value set by the sensor, the alarm can give out sound and light alarm signals to remind workers of safety measures such as evacuation, forced air exhaust, equipment shutdown and the like.

The temperature measuring sensor in the prior art has the following defects:

patent document CN202928708U contact temperature measurement sensor "that thermal response time is short includes wire, protection tube, the wire encapsulation is in the protection tube, the protection tube intussuseption is filled with heat conduction silicone rubber material, the wire is arranged in heat conduction silicone rubber material, the utility model discloses replace air bed or magnesia powder in current thermocouple or thermal resistance protection tube head with the high and electrically insulating silicon rubber roll board of coefficient of heat conductivity, can be for a long time under 200 ℃ of temperature, under the temperature measurement prerequisite of guaranteeing safe and reliable, reduced thermocouple or thermal resistance's thermal response time greatly. The operation energy conservation of the temperature control system and the safety protection of large equipment of the process flow can be promoted. "temperature measurement sensor is mostly installed on the wall through the bolt among the prior art, and this kind of mounting means easily causes the operation inconvenient, because the structure is comparatively simple, can not play fine guard action to the sensor probe, and long-time use surface can pile up the dust and lead to measuring temperature to have the error, can't satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piping lane ambient temperature measurement sensor based on fiber grating to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pipe gallery environment temperature measuring sensor based on fiber bragg gratings comprises a measuring sensor, a sensor probe and a mounting rack, wherein a display screen is installed on the inner side of the measuring sensor, a control cavity is installed inside the measuring sensor, and a heat insulation layer is installed on the inner wall of the control cavity;

a sensor probe is installed at the bottom of the measuring sensor, a fixing ring is installed on the outer side of the sensor probe, and an installation frame is installed on the back of the measuring sensor;

the bottom of the fixing ring is provided with a connecting ring, the bottom end of the connecting ring is provided with a protecting sleeve, the bottom of the fixing ring is provided with a hydraulic rod, and the hydraulic rod is positioned on the inner side of the protecting sleeve.

Preferably, the back mounted of display screen has the dampproofing pad, and the back mounted of dampproofing pad has the rubber circle, and the back mounted of measuring transducer has the connecting block, and the alarm lamp is installed in the outside of measuring transducer.

Preferably, a fiber grating sensing device is installed on the inner side of the heat insulation layer.

Preferably, the top of the fixing ring is provided with a connecting groove in a penetrating way.

Preferably, the mounting bracket is provided with a mounting groove at the top, the mounting groove is matched with the connecting block, and the front surface of the mounting bracket is provided with a fastening hole in a penetrating manner.

Preferably, the top of the connecting ring is provided with an inserting block, the inserting block is matched with the connecting groove, the inner side of the protective sleeve is provided with heat-conducting gel, and the inner side of the heat-conducting gel is provided with a heat-conducting aluminum foil.

Preferably, the output end of the hydraulic rod is provided with a piston rod, the output end of the piston rod is provided with a cleaning plate, and the cleaning plate is positioned on the outer side of the sensor probe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an install a lag cylinder in the bottom of go-between, heat conduction aluminium foil is installed to the inboard of heat conduction gel, the inboard of grafting piece gomphosis is installed and is made the installation between a lag cylinder and the solid fixed ring more convenient with the dismantlement, a lag cylinder can be fine protect sensor probe, the damage that causes it has been avoided colliding with, heat conduction aluminium foil has increased the heat conduction efficiency of a lag cylinder, can conduct heat to sensor probe fast, the efficiency of sensor detection temperature has been increased, the precision of temperature detection has been guaranteed, measuring sensor's life has been prolonged.

2. The utility model discloses a back mounted at measuring sensor has the mounting bracket, the cleaning plate is installed to the output of piston rod, the connecting block is pegged graft and is realized the swift installation of measuring sensor and mounting bracket in the inboard of mounting groove, measuring sensor's result of use has been guaranteed, the insulating layer adopts the aerogel insulation material coating, can effectively shield ambient temperature to the influence of the inside sensitive component of sensor, the measurement accuracy has been improved, the hydraulic stem operation drives the piston rod and removes and make the cleaning plate clear up the accumulational dust in the sensor probe outside, measuring error is reduced, the practicality is improved, and the use demand is satisfied.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the measuring sensor of the present invention;

fig. 3 is a schematic perspective view of the mounting frame of the present invention;

fig. 4 is a schematic perspective view of the connection ring of the present invention;

fig. 5 is a schematic view of the internal structure of the protection sleeve of the present invention.

In the figure: 1. a measurement sensor; 101. a display screen; 102. a moisture-proof pad; 103. a rubber ring; 104. connecting blocks; 105. an alarm lamp; 2. a control chamber; 201. a thermal insulation layer; 202. a fiber grating sensing device; 3. a sensor probe; 301. a fixing ring; 302. connecting grooves; 4. a mounting frame; 401. mounting grooves; 402. fastening holes; 5. a connecting ring; 501. a protective sleeve; 502. an insertion block; 503. a thermally conductive gel; 504. a thermally conductive aluminum foil; 6. a hydraulic lever; 601. a piston rod; 602. and (6) cleaning the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or a movable connection, or may be a detachable connection, or may be 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 as a specific case by those skilled in the art.

Referring to fig. 1 and fig. 2, the present invention provides an embodiment: a pipe gallery environment temperature measuring sensor based on fiber bragg grating;

the measuring sensor comprises a measuring sensor 1, a display screen 101 and a control cavity 2, the display screen 101 is installed on the inner side of the measuring sensor 1, a damp-proof pad 102 is installed on the back surface of the display screen 101, a rubber ring 103 is installed on the back surface of the damp-proof pad 102, a connecting block 104 is installed on the back surface of the measuring sensor 1, an alarm lamp 105 is installed on the outer side of the measuring sensor 1, the damp-proof pad 102 is installed to enable the inner portion of the measuring sensor 1 to have a damp-proof effect, damage to electronic elements caused by the fact that damp gas enters the measuring sensor 1 is avoided, the use requirement of a pipe gallery environment can be met, the control cavity 2 is installed inside the measuring sensor 1, a heat insulation layer 201 is installed on the inner wall of the control cavity 2, a fiber grating sensing device 202 is installed on the inner side of the heat insulation layer 201, the electronic elements are installed inside the control cavity 2, the heat insulation layer 201 adopts a heat insulation material coating, and the influence of the environmental temperature on the sensitive elements inside the sensor can be effectively shielded, the measurement accuracy is improved, and the fiber grating sensing device 202 has good sensing performance.

Referring to fig. 1 and 3, a fiber grating-based pipe gallery ambient temperature measurement sensor;

including sensor probe 3, solid fixed ring 301 and mounting bracket 4, sensor probe 3 is installed to measuring sensor 1's bottom, solid fixed ring 301 is installed in sensor probe 3's the outside, solid fixed ring 301's top is run through and has been seted up spread groove 302, sensor probe 3 detects vestibule ambient temperature, gu fixed ring 301 installs the outside at sensor probe 3, measuring sensor 1's back mounted has mounting bracket 4, mounting groove 401 has been seted up at mounting bracket 4's top, and mounting groove 401 cooperatees with connecting block 104, mounting bracket 4's front is run through and has been seted up fastening hole 402, run through fastening hole 402 through the bolt and install mounting bracket 4 at the use place, connecting block 104 is pegged graft and is realized measuring sensor 1 and mounting bracket 4's swift installation in the inboard of mounting groove 401, measuring sensor 1's result of use has been guaranteed.

Referring to fig. 1, 4 and 5, a fiber grating-based pipe gallery ambient temperature measurement sensor;

the heat conduction type sensor probe protecting sleeve comprises a connecting ring 5, a protecting sleeve 501 and a hydraulic rod 6, wherein the connecting ring 5 is installed at the bottom of a fixing ring 301, the protecting sleeve 501 is installed at the bottom end of the connecting ring 5, an inserting block 502 is installed at the top of the connecting ring 5, the inserting block 502 is matched with a connecting groove 302, heat conduction gel 503 is installed on the inner side of the protecting sleeve 501, heat conduction aluminum foil 504 is installed on the inner side of the heat conduction gel 503, the inserting block 502 is installed on the inner side of the connecting groove 302 in an embedded mode, so that the protecting sleeve 501 and the fixing ring 301 can be installed and detached more conveniently, the protecting sleeve 501 can well protect the sensor probe 3 and avoid damage to the sensor probe 3 due to collision, the heat conduction aluminum foil 504 increases the heat conduction efficiency of the protecting sleeve 501, heat can be quickly conducted to the sensor probe 3, the temperature detection efficiency of the sensor is increased, the temperature detection precision is guaranteed, and the service life of the measuring sensor 1 is prolonged, hydraulic stem 6 is installed to solid fixed ring 301's bottom, and hydraulic stem 6 is located the inboard of protective sleeve 501, piston rod 601 is installed to hydraulic stem 6's output, clearance board 602 is installed to piston rod 601's output, and clearance board 602 is located sensor probe 3's the outside, solid fixed ring 301 provides the mounted position for hydraulic stem 6, hydraulic stem 6 moves and drives piston rod 601 and remove and make clearance board 602 clear up the accumulational dust in the sensor probe 3 outside, measuring error is reduced, and the practicality is improved.

The working principle is as follows: when the device is used, firstly, the mounting frame 4 is installed at a use place through the bolt penetrating through the fastening hole 402, the connecting block 104 is inserted into the inner side of the mounting groove 401 to realize the quick installation of the measuring sensor 1 and the mounting frame 4, the inserting block 502 is inserted into the inner side of the connecting groove 302 to realize the installation between the protecting sleeve 501 and the fixing ring 301, the protecting sleeve 501 can well protect the sensor probe 3, the sensor probe 3 detects the environmental temperature of the gallery, the heat conducting efficiency of the protecting sleeve 501 is increased by the heat conducting aluminum foil 504 to quickly conduct heat to the sensor probe 3, the hydraulic rod 6 operates to drive the piston rod 601 to move to enable the cleaning plate 602 to clean dust accumulated outside the sensor probe 3, the measuring sensor for the environmental temperature of the gallery reduces the measuring error, ensures the precision of temperature detection, and prolongs the service life of the measuring sensor, the practical performance is improved.

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

1. The utility model provides a piping lane ambient temperature measurement sensor based on fiber grating, includes measuring transducer (1), sensor probe (3) and mounting bracket (4), its characterized in that: a display screen (101) is installed on the inner side of the measuring sensor (1), a control cavity (2) is installed inside the measuring sensor (1), and a heat insulation layer (201) is installed on the inner wall of the control cavity (2);

a sensor probe (3) is installed at the bottom of the measuring sensor (1), a fixing ring (301) is installed on the outer side of the sensor probe (3), and an installation frame (4) is installed on the back of the measuring sensor (1);

the bottom of solid fixed ring (301) is installed go-between (5), a protection sleeve (501) is installed to the bottom of go-between (5), hydraulic stem (6) are installed to the bottom of solid fixed ring (301), and hydraulic stem (6) are located the inboard of a protection sleeve (501).

2. The fiber grating-based pipe gallery ambient temperature measurement sensor of claim 1, wherein: the back mounted of display screen (101) has dampproofing pad (102), and the back mounted of dampproofing pad (102) has rubber circle (103), and the back mounted of measuring transducer (1) has connecting block (104), and alarm lamp (105) are installed in the outside of measuring transducer (1).

3. The fiber grating-based pipe gallery ambient temperature measurement sensor of claim 1, wherein: and a fiber bragg grating sensing device (202) is arranged on the inner side of the heat insulation layer (201).

4. The fiber grating-based pipe gallery ambient temperature measurement sensor of claim 1, wherein: the top of the fixing ring (301) is provided with a connecting groove (302) in a penetrating way.

5. The fiber grating-based pipe gallery ambient temperature measurement sensor of claim 1, wherein: mounting groove (401) have been seted up at the top of mounting bracket (4), and mounting groove (401) cooperate with connecting block (104), and fastening hole (402) have been seted up in the front of mounting bracket (4) run through.

6. The fiber grating-based pipe gallery ambient temperature measurement sensor of claim 1, wherein: the top of the connecting ring (5) is provided with an inserting block (502), the inserting block (502) is matched with the connecting groove (302), the inner side of the protecting sleeve (501) is provided with heat-conducting gel (503), and the inner side of the heat-conducting gel (503) is provided with a heat-conducting aluminum foil (504).

7. The fiber grating-based pipe gallery ambient temperature measurement sensor of claim 1, wherein: the output end of the hydraulic rod (6) is provided with a piston rod (601), the output end of the piston rod (601) is provided with a cleaning plate (602), and the cleaning plate (602) is positioned on the outer side of the sensor probe (3).