CN213090796U

CN213090796U - Device for improving working performance of sensor at extremely low temperature

Info

Publication number: CN213090796U
Application number: CN202022420789.XU
Authority: CN
Inventors: 王军波; 陈德勇; 商艳龙; 谢波; 江华; 鲁毓岚; 严鹏程
Original assignee: Shandong Zhongkesier Technology Co ltd
Current assignee: Shandong Zhongkesier Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-04-30
Anticipated expiration: 2030-10-27

Abstract

The utility model provides a device for improving the working performance of a sensor at extremely low temperature, which comprises a sensor body, wherein an annular cover plate is connected with the annular end on the upper side of the sensor body in a sliding way, the lower end of the annular cover plate clamps an outer cylinder, the lower end of the outer cylinder is fixedly connected with a chassis, the lower end of the sensor body is provided with the outer cylinder and extends into the outer cylinder, a heat insulation sleeve is bonded on the annular inner wall of the outer cylinder, a spiral heating wire is arranged on the annular end of the sensor body in a laminating way, an annular clamping groove is arranged on the annular end on the upper side of the sensor body, an elastic check ring is clamped in the annular clamping groove and extends out of the annular clamping groove, the elastic check ring is laminated on the upper end of the annular cover plate, the annular cover plate is installed in a limiting way by the elastic check ring, the quick assembly, promote sensor body life.

Description

Device for improving working performance of sensor at extremely low temperature

Technical Field

The utility model relates to an improve sensor performance's under utmost point low temperature device belongs to sensor technical field.

Background

The sensor is a detection device, can feel the measured information, and can convert the felt information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and the sensor is characterized by comprising: the sensor can be used in a special use environment, and when the sensor is used at extremely low temperature, the performance of internal components of the sensor can be influenced, so that the service life of the sensor can be influenced, and therefore, a device for improving the working performance of the sensor at extremely low temperature needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an improve sensor working property's under utmost point low temperature device to when the sensor that proposes in solving above-mentioned background art uses under utmost point low temperature, can influence the inside components and parts performance of sensor, will influence the problem of the life of sensor, the utility model discloses realize fast assembly, be convenient for maintain and change, also promote sensor body life.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an improve sensor performance's under utmost point low temperature device, includes the sensor body, sensor body upside annular end sliding connection annular cover plate, the annular cover plate lower extreme clamps urceolus and extends to annular cover plate inside, urceolus lower extreme fixed connection chassis, the sensor body lower extreme sets up the urceolus and extends into the urceolus inside, urceolus annular inner wall bonds the insulation cover, the laminating of sensor body annular end sets up spiral heating wire and is in inside the insulation cover, annular clamping groove is seted up to sensor body upside annular end, the clamping elasticity retaining ring and circlip extend the annular clamping groove outside in the annular clamping groove, the circlip laminating is in annular cover plate upper end.

Further, chassis upper end middle part fixed connection power supply package and power supply package are in inside the urceolus, power supply package upper end sets up sensor body and power supply package respectively with sensor body and spiral heating wire electric connection.

Furthermore, a groove is formed in the middle of the lower end of the annular cover plate, an annular sealing gasket is bonded to the top end of the inner portion of the groove and is attached to the annular end of the sensor body, and the upper end of the outer barrel extends into the inner portion of the groove and is attached to the annular sealing gasket.

Further, the seal cover is sleeved at the annular end of the upper side of the sensor body, the seal cover is bonded on the inner wall of the annular cover plate and arranged at the upper end of the annular seal gasket, and the seal cover is arranged at the lower end of the elastic check ring.

Further, annular apron lower extreme border position equidistance fixed connection is circular arrangement's at least three guide arm and is in the urceolus outside, at least three the guide arm sets up in the chassis upper end, the laminating of chassis upper end sets up the collar, and is at least three the guide arm all runs through the collar and with collar sliding connection, collar annular inner wall bonding cleaning ring and cleaning ring laminating are held at the urceolus annular.

Furthermore, the middle position of the upper end of the guide rod is fixedly connected with a stud, the edge position of the lower end of the annular cover plate is equidistantly provided with at least three threaded holes which are circularly arranged, and the threaded holes are internally and threadedly connected with the studs.

Further, at least three positioning holes which are circularly arranged are machined in the upper end of the chassis at equal intervals, and the lower ends of the guide rods extend into the positioning holes.

The utility model has the advantages that: the utility model discloses an improve sensor performance's device under utmost point low temperature.

1. Earlier annular apron clamps the urceolus upper end to in clamping ring to the ring groove, thereby carry out spacing installation to annular apron, realize fast assembly, be convenient for maintain and change, rethread spiral heating wire produces the heat, makes the inside temperature of urceolus improve, and utilizes the insulation cover, prevents that the temperature reduces too fast in the urceolus, thereby makes the sensor body can normally work, promotes sensor body life.

2. The mounting ring can be enabled to move up and down along the guide rod, so that the cleaning ring can move up and down along the outer side of the outer barrel, the surface of the outer barrel is cleaned, and the service life of the outer barrel is prolonged.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a device for improving the working performance of a sensor at a very low temperature according to the present invention;

FIG. 2 is a cross-sectional view of the outer barrel of the device for improving the working performance of the sensor at very low temperature;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 2.

In the figure: 1-a sensor body, 2-an annular cover plate, 3-an outer cylinder, 4-a chassis, 5-an elastic retainer ring, 6-a spiral heating wire, 7-a heat preservation sleeve, 11-a power supply set, 12-an annular clamping groove, 21-an annular sealing gasket, 22-a sealing sleeve, 31-a mounting ring, 32-a cleaning ring and 33-a guide rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a device for improving the working performance of a sensor at extremely low temperature comprises a sensor body 1, an annular cover plate 2 is slidably connected to the annular end of the upper side of the sensor body 1, an opening of an outer barrel 3 is hermetically covered through the annular cover plate 2, the lower end of the annular cover plate 2 clamps an outer barrel 3, the outer barrel 3 extends into the annular cover plate 2, the sensor body 1 and a spiral heating wire 6 are protected through the outer barrel 3, the lower end of the outer barrel 3 is fixedly connected with a chassis 4, the outer barrel 3 is installed through the chassis 4, the outer barrel 3 is arranged at the lower end of the sensor body 1 and extends into the outer barrel 3, a heat insulation sleeve 7 is bonded to the annular inner wall of the outer barrel 3, the heat insulation function is realized through the heat insulation sleeve 7, the spiral heating wire 6 is arranged at the annular end of the sensor body 1 in a fit manner, the spiral heating work is realized through the spiral heating wire 6, through ring groove 12, realize circlip 5's installation, ring groove 12 inside callipers dress circlip 5 and circlip 5 extend ring groove 12 outsides, and circlip 5 laminating is in 2 upper ends of annular cover plate.

Specifically, firstly, the heat insulation sleeve 7 is installed on the annular inner wall of the outer cylinder 3, then the spiral heating wire 6 is installed in the heat insulation sleeve 7, the sensor body 1 is inserted into the outer cylinder 3, at the moment, the spiral heating wire 6 is located at the annular outer end of the sensor body 1, then the annular cover plate 2 is sleeved at the annular outer end of the sensor body 1, the annular cover plate 2 is clamped at the upper end of the outer cylinder 3, then the elastic retainer ring 5 is clamped in the annular clamping groove 12 through a tool, the annular cover plate 2 is installed in a limiting mode, rapid assembly is achieved, maintenance and replacement are convenient, then the chassis 4 is fixed on an installation carrier, installation of the sensor body 1 is achieved, when the working environment of the sensor body 1 is extremely low temperature, a circuit of the spiral heating wire 6 is connected, heat is generated through the spiral heating wire 6, the temperature inside the outer cylinder 3 is increased, and the heat insulation sleeve, prevent that the temperature reduces too fast in the urceolus 3 to make sensor body 1 can normally work, promote sensor body 1 life.

4 upper end middle part fixed connection power supply package 11 on chassis and power supply package 11 are in 3 insides of urceolus, and 11 upper ends of power supply package set up sensor body 1 and power supply package 11 respectively with

sensor body

1 and 6 electric connection of spiral heating wire, specifically, through power supply package 11, can be for sensor body 1 and spiral heating wire 6 provide the electric energy, also realize supporting sensor body 1 and place, increase sensor body 1 and place stability.

The recess is seted up at 2 lower extreme middle parts of annular apron, and the inside top of recess bonds annular seal pad 21 and the laminating of annular seal pad 21 sets up at 1 annular end of sensor body, and 3 upper ends of urceolus extend into the recess inside and with the laminating setting of annular seal pad 21, specifically, through recess and annular seal pad 21, realize the sealing connection between annular apron 2 and the urceolus 3.

Seal cover 22 is equipped with to sensor body 1 upside annular end cover, and seal cover 22 bonds and sets up in annular seal 21 upper end at 2 inner walls of annular apron and seal cover 22, and seal cover 22 sets up at 5 lower extremes of circlip, specifically, through seal cover 22, realizes the sealing connection between annular apron 2 and the sensor body 1.

2 lower extreme border position equidistance fixed connection of annular apron is circular arrangement's at least three guide arm 33 and locates in the urceolus 3 outside, at least three guide arm 33 sets up in 4 upper ends on the chassis, 4 upper ends laminating on the chassis sets up collar 31, at least three guide arm 33 all run through collar 31 and with collar 31 sliding connection, collar 31 annular inner wall bonds clean ring 32 and clean ring 32 laminating in 3 annular ends of urceolus, specifically, it reciprocates to enable collar 31 along guide arm 33, and then make clean ring 32 reciprocate along the 3 outsides of urceolus, the realization is cleaned 3 surfaces of urceolus, promote the life of urceolus 3, utilize guide arm 33, reciprocate collar 31 and lead.

The middle position of the upper end of the guide rod 33 is fixedly connected with a stud, at least three threaded holes which are circularly arranged are formed in the edge position of the lower end of the annular cover plate 2 at equal intervals, the stud is connected with the inner part of the threaded hole in a threaded manner, specifically, the threaded hole and the stud are used for realizing the quick assembly and disassembly between the annular cover plate 2 and the guide rod 33, and the guide rod 33 is convenient to maintain or replace.

At least three positioning holes which are circularly arranged are machined in the upper end of the chassis 4 at equal intervals, the lower end of the guide rod 33 extends into the positioning holes, and specifically, the positioning installation between the guide rod 33 and the chassis 4 is realized through the positioning holes.

The utility model discloses do not make the improvement to the inner structure of sensor main part 1, its inner structure is prior art, consequently no longer gives unnecessary details here, the utility model discloses a device can the suitable various types of sensor of adaptation appearance.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an improve sensor working property's device under utmost point low temperature which characterized in that: comprises a sensor body (1), an annular cover plate (2) is connected with the annular end of the upper side of the sensor body (1) in a sliding way, the lower end of the annular cover plate (2) is clamped with the outer cylinder (3), the outer cylinder (3) extends into the annular cover plate (2), the lower end of the outer cylinder (3) is fixedly connected with a chassis (4), the lower end of the sensor body (1) is provided with the outer cylinder (3) and extends into the outer cylinder (3), the annular inner wall of the outer barrel (3) is bonded with a heat insulation sleeve (7), the annular end of the sensor body (1) is provided with a spiral heating wire (6) in a fitting manner, the spiral heating wire (6) is positioned inside the heat insulation sleeve (7), an annular clamping groove (12) is formed in the annular end of the upper side of the sensor body (1), the elastic check ring is characterized in that an elastic check ring (5) is clamped in the annular check groove (12), the elastic check ring (5) extends out of the annular check groove (12), and the elastic check ring (5) is attached to the upper end of the annular cover plate (2).

2. The apparatus of claim 1, wherein the sensor further comprises a temperature sensor for measuring the temperature of the fluid, the temperature sensor comprising: chassis (4) upper end middle part fixed connection power pack (11) and power pack (11) are in inside urceolus (3), power pack (11) upper end sets up sensor body (1) and power pack (11) respectively with sensor body (1) and spiral heating wire (6) electric connection.

3. The apparatus of claim 1, wherein the sensor further comprises a temperature sensor for measuring the temperature of the fluid, the temperature sensor comprising: the sensor is characterized in that a groove is formed in the middle of the lower end of the annular cover plate (2), an annular sealing gasket (21) is bonded to the top end of the inner portion of the groove, the annular sealing gasket (21) is attached to the annular end of the sensor body (1), and the upper end of the outer barrel (3) extends into the inner portion of the groove and is attached to the annular sealing gasket (21).

4. The apparatus of claim 3, wherein the sensor further comprises a temperature sensor for measuring the temperature of the fluid, the temperature sensor comprising: the sensor comprises a sensor body (1), wherein a sealing sleeve (22) is sleeved at the annular end of the upper side of the sensor body (1), the sealing sleeve (22) is bonded at the inner wall of an annular cover plate (2) and the sealing sleeve (22) is arranged at the upper end of an annular sealing gasket (21), and the sealing sleeve (22) is arranged at the lower end of an elastic check ring (5).

5. The apparatus of claim 1, wherein the sensor further comprises a temperature sensor for measuring the temperature of the fluid, the temperature sensor comprising: annular apron (2) lower extreme border position equidistance fixed connection is that at least three guide arm (33) and guide arm (33) of circular arrangement are in urceolus (3) outside, at least three guide arm (33) set up in chassis (4) upper end, chassis (4) upper end laminating sets up collar (31), at least three collar (33) all run through collar (31) and with collar (31) sliding connection, collar (31) annular inner wall bonding cleaning ring (32) and cleaning ring (32) laminating are held at urceolus (3) annular.

6. The apparatus of claim 5, wherein the sensor further comprises a temperature sensor for measuring the temperature of the fluid, the temperature sensor comprising: the middle position of the upper end of the guide rod (33) is fixedly connected with a stud, the edge position of the lower end of the annular cover plate (2) is equidistantly provided with at least three threaded holes which are circularly arranged, and the threaded holes are internally and threadedly connected with the studs.

7. The apparatus of claim 5, wherein the sensor further comprises a temperature sensor for measuring the temperature of the fluid, the temperature sensor comprising: at least three positioning holes which are circularly arranged are machined in the upper end of the chassis (4) at equal intervals, and the lower end of the guide rod (33) extends into the positioning holes.