CN110887576A

CN110887576A - High-temperature-resistant and scouring-resistant bimetallic thermometer

Info

Publication number: CN110887576A
Application number: CN201911364564.2A
Authority: CN
Inventors: 王晓斌
Original assignee: Anhui Tianmu Automation Instrument Co Ltd
Current assignee: Anhui Tianmu Automation Instrument Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-03-17

Abstract

The invention discloses a high-temperature and scouring resistant bimetal thermometer, which belongs to the technical field of measuring devices and comprises a shell, a connecting flange, a sleeve, a sensing tube and a sensing shell, wherein the bottom of an inner cavity of the shell is fixedly connected with a control element through a screw, the right side wall of the shell is in threaded connection with the connecting flange, an internal thread is arranged inside the connecting flange, the sleeve can be combined on the right side wall of the shell through the combined application of accessories, an inner hole is arranged in the sleeve and can be inserted into an inner column, a cavity structure form is achieved, the external abnormal environment is conveniently blocked, the internal environment is more stable, after the combined sleeve is internally sleeved by matching with an inner sleeve, the wrapping property is increased, the sleeve is made of a corundum tube, and the sectional combination can be carried out by matching with a stud and a spiral groove, avoid inside metal to be erodeed the corruption, play resistant effect that erodees.

Description

High-temperature-resistant and scouring-resistant bimetallic thermometer

Technical Field

The invention relates to the technical field of measuring devices, in particular to a high-temperature-resistant and scouring-resistant bimetal thermometer.

Background

The measuring device is a combination of a measuring instrument and an auxiliary device for measuring. Some auxiliary devices or tools for measurement are also often included in the family of conventional gauges, in which a temperature measuring device is a category of measuring devices.

A temperature measuring device is an instrument for measuring temperature. The measuring instrument is one of the types of thermometers, and there are kerosene thermometers, alcohol thermometers, mercury thermometers, gas thermometers, resistance thermometers, thermocouple thermometers, radiation thermometers, photometric thermometers, bimetallic thermometers, and the like, depending on the temperature measuring substance used and the temperature measuring range.

The use environment of the temperature measuring device needs to be changed according to the measurement requirements, and new requirements are provided for the use of the temperature measuring device in the use of high-temperature and high-scouring environments.

And current thermometer in use, use addding high temperature resistant material to high temperature resistant part as the main, but the material easily receives service environment to influence the premature senility condition that appears, unable long-term separation outside abnormal environment, to the stability of internal environment has the drawback, and the parcel nature is weak, and in use lacks the protection, and inside metal is easy to erode the corruption, can't reach the purpose of resistant erodeing.

Disclosure of Invention

The invention aims to provide a high-temperature-resistant scouring-resistant bimetallic thermometer to solve the problems that in the prior art, when the existing thermometer is used, a high-temperature-resistant part is mainly provided with a high-temperature-resistant material, but the material is susceptible to the influence of the use environment to cause a premature aging condition, the external abnormal environment cannot be blocked for a long time, the internal environment is stable, the wrapping property is weak, the protection is lacked in the use, the internal metal is easily scoured and corroded, and the scouring-resistant purpose cannot be achieved.

In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature-resistant and scouring-resistant bimetallic thermometer comprises a shell, a connecting flange, a sleeve, a sensing tube and a sensing shell, wherein the bottom of an inner cavity of the shell is fixedly connected with a control element through a screw, the right side wall of the shell is in threaded connection with the connecting flange, an internal thread is arranged inside the connecting flange, the right side wall of the connecting flange is in threaded connection with the sleeve through the internal thread, the right side wall of the sleeve is in threaded connection with the sensing tube, the right side wall of the sensing tube is in threaded connection with the sensing shell, the top and the bottom of the sleeve are respectively and integrally connected with a screw groove and a stud, the left side wall of the sleeve is provided with an inner hole, an inner column is inserted inside the inner hole, an inner sleeve is inserted inside the sleeve, a combined sleeve is inserted inside the inner sleeve, the bottom of the sensing tube is in threaded connection with an insulated wire, and the bottom of the, the bottom electric connection of pyrocondensation pipe has NTC resistance, the circumference outer wall threaded connection of insulating wire, pyrocondensation pipe and NTC resistance has the response shell, the inside packing of response shell has epoxy, epoxy's inside with the circumference outer wall contact of insulating wire, pyrocondensation pipe and NTC resistance, the electric input end of insulating wire pass through the wire with control element's electric output end electric connection.

Preferably, the left side wall of the shell is fixedly connected with a connecting plate through a screw, and the bottom of the shell is in threaded connection with a connecting end.

Preferably, the left side wall of the housing is movably connected with a cover through a hinge.

Preferably, the right side wall of the connecting flange is in threaded connection with a connecting rod, and the circumferential outer wall of the connecting rod is in threaded connection with a fixing nut.

Preferably, the top of the sleeve is provided with a main groove, and the circumferential inner wall of the main groove is in contact with the circumferential outer wall of the inner sleeve.

Preferably, the top of the inner sleeve is provided with an auxiliary groove, and the circumferential inner wall of the auxiliary groove is in contact with the circumferential outer wall of the combined sleeve.

Preferably, the combined sleeve is made of an anti-corrosion rubber sleeve, and the sleeve and the inner column are made of corundum tubes.

Preferably, the structure of the stud is matched with that of the thread groove, and a gasket is sleeved between the connecting end of the stud and the connecting end of the thread groove.

Preferably, the left side wall of the sealing cover is provided with a groove, and a toughened glass plate is embedded in the groove.

Compared with the prior art, the invention has the beneficial effects that: this kind of high temperature resistant bimetal thermometer that erodees, combination application through the accessory, can be at the right side wall combination sleeve pipe of shell, it can peg graft to interior post to open up the hole in the sleeve pipe, reach cavity structural style, the outside abnormal environment of separation of being convenient for, guarantee internal environment more stably, and interior sleeve pipe is to the combination cover implementation after in the cooperation, rely on the combination cover to carry out inside and cup joint, the parcel nature has been increased, sleeve pipe material itself is the corundum pipe, cooperation double-screw bolt and thread groove can carry out the segmentation combination, avoid inside metal to be erodeed and corroded, play the effect of resistant erodeing.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of an inductive structure according to the present invention;

FIG. 3 is a schematic view of the interior of the bushing of the present invention;

FIG. 4 is a schematic view of the casing being deployed in layers in accordance with the present invention;

fig. 5 is a schematic view of the bushing assembly of the present invention.

In the figure: 100 outer shell, 110 connecting plate, 120 connecting end, 130 sealing cover, 200 connecting flange, 210 connecting rod, 220 fixing nut, 300 sleeve, 310 stud, 320 inner hole, 330 inner column, 340 thread groove, 350 inner sleeve, 360 combination sleeve, 400 induction tube, 410 insulated wire, 420 heat shrinkable tube, 430NTC resistor, 500 induction shell and 510 epoxy resin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a high-temperature-resistant and scouring-resistant bimetallic thermometer, which is convenient to form a cavity structure form by combining and applying accessories, is convenient to obstruct an external abnormal environment and increase the wrapping property and the scouring-resistant effect, and please refer to fig. 1-5, and the thermometer comprises a shell 100, a connecting flange 200, a sleeve 300, a sensing tube 400 and a sensing shell 500;

referring to fig. 1 again, the right side wall of the housing 100 has a connecting plate 110, specifically, the left side wall of the housing 100 is fixedly connected with the connecting plate 110 through a screw, the bottom of the housing 100 is connected with a connecting end 120 through a screw thread, and the connecting end 120 is convenient for external connection and extraction;

referring to fig. 1 again, the left side wall of the connecting flange 200 is fixedly connected with the right side wall of the housing 100, specifically, the bottom of the inner cavity of the housing 100 is fixedly connected with a control element through a screw, the right side wall of the housing 100 is connected with the connecting flange 200 in a threaded manner, and an internal thread is formed inside the connecting flange 200, wherein the control element is used as an existing structure in the thermometer and is not directly connected with the requirement of the scheme, so the structure and principle of the thermometer are not described in detail herein, and the achievement of the scheme is not affected;

referring to fig. 1 again, the circumferential outer wall of the sleeve 300 is fixedly connected with the left side wall of the fixing nut 220, specifically, the right side wall of the connecting flange 200 is connected with the sleeve 300 through an internal thread, the top and the bottom of the sleeve 300 are respectively connected with a thread groove 340 and a stud 310 in an integrated manner, the left side wall of the sleeve 300 is provided with an inner hole 320, an inner post 330 is inserted into the inner hole 320, an inner sleeve 350 is inserted into the sleeve 300, and a combined sleeve 360 is inserted into the inner sleeve 350, wherein the number of the sleeves 300 is multiple, and the plurality of sleeves 300 have the same structure, so as to achieve the purpose of combination;

referring to fig. 1 to 3 again, the left sidewall of the sensing tube 400 is fixedly installed with the right sidewall of the sleeve 300, specifically, the right sidewall of the sleeve 300 is screwed with the sensing tube 400, the bottom of the sensing tube 400 is screwed with the insulated wire 410, the bottom of the insulated wire 410 is electrically connected with the heat-shrinkable tube 420, the bottom of the heat-shrinkable tube 420 is electrically connected with the NTC resistor 430, and the circumferential outer walls of the insulated wire 410, the heat-shrinkable tube 420 and the NTC resistor 430 are screwed with the sensing shell 500, wherein the NTC resistor 430 is a negative temperature coefficient thermistor, and the resistance value is lower when the temperature is higher;

referring to fig. 1 to 3 again, the left sidewall of the sensing shell 500 is fixedly installed with the right sidewall of the sensing tube 400, specifically, the right sidewall of the sensing tube 400 is screwed to the sensing shell 500, the sensing shell 500 is filled with epoxy 510, the interior of the epoxy 510 contacts with the insulated wire 410, the heat-shrinkable tube 420 and the circumferential outer wall of the NTC resistor 430, and the electrical input end of the insulated wire 410 is electrically connected with the electrical output end of the control element through a wire;

when the induction tube 400 is combined at the tail end of the sleeve 300, the induction tube 400 comprises an NTC resistor 430 electrically connected by a heat shrinkable tube 420 and an insulated lead 410, the sleeve 300 comprises an inner hole 320, an inner column 330 is inserted in the inner hole 320 to form a cavity blocking structure so as to block the external abnormal environment and further ensure the stability of the internal environment, the combination sleeve 360 is internally sleeved by the combination sleeve 360 after being matched with the inner sleeve 350, the wrapping property is increased, the sleeve 300 is made of a corundum tube, the double-screw bolt 310 and the spiral groove 340 can be combined in a segmented manner to avoid the erosion corrosion of the internal metal, so that the erosion resistance effect is achieved, the induction tube 400 is combined at the tail end of the sleeve 300, the induction tube 400 comprises the NTC resistor 430 electrically connected by the heat shrinkable tube 420 and the insulated lead 410, the purpose of temperature sensing can be effectively achieved, which is the prior art and will not be described herein.

Referring to fig. 1 again, in order to facilitate daily protection of the observable position, specifically, the left side wall of the casing 100 is movably connected to the sealing cover 130 through a hinge, the left side wall of the sealing cover 130 is provided with a groove, a tempered glass plate is embedded in the groove, and the tempered glass plate is convenient for internal observation and simultaneously increases strength.

Referring to fig. 1-2 again, in order to facilitate connection and assembly, specifically, the right side wall of the connection flange 200 is in threaded connection with a connection rod 210, the circumferential outer wall of the connection rod 210 is in threaded connection with a fixing nut 220, the top of the sleeve 300 is provided with a main groove, the circumferential inner wall of the main groove is in contact with the circumferential outer wall of the inner sleeve 350, the top of the inner sleeve 350 is provided with an auxiliary groove, and the circumferential inner wall of the auxiliary groove is in contact with the circumferential outer wall of the assembly sleeve 360.

Referring to fig. 1-3 again, in order to increase the strength and ensure the resistance to use, specifically, the combination sleeve 360 is made of an anti-corrosion rubber sleeve, the sleeve 300 and the inner column 330 are made of corundum tubes, the corundum tubes are suitable for analyzing various laboratory metal and nonmetal samples and melting materials, and the corundum tubes are mainly used for high-temperature vacuum tube type electric furnaces, vacuum atmosphere furnaces, tin bath tubes for float glass industry, protective tubes for solar glass, electric furnace wire supporting tubes, chlorine introducing tubes for aluminum trichloride industry, muffle furnace tubes and the like, and the product use temperature is 1200-1800 ℃, the product density is high, the thermal shock property is good, and the acid and alkali resistance and the scouring resistance are ensured.

Referring to fig. 1-3 again, in order to achieve the purpose of sectional combination and increase the sealing performance after combination, specifically, the structure of the stud 310 is matched with the structure of the spiral groove 340, and a gasket is sleeved between the connection end of the stud 310 and the connection end of the spiral groove 340, so as to shield a gap that may exist, thereby effectively increasing the sealing effect.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a high temperature resistant bimetal thermometer that erodees which characterized in that: the induction type electromagnetic induction heating device comprises a shell (100), a connecting flange (200), a sleeve (300), an induction pipe (400) and an induction shell (500), wherein the bottom of an inner cavity of the shell (100) is fixedly connected with a control element through a screw, the right side wall of the shell (100) is in threaded connection with the connecting flange (200), an internal thread is formed in the connecting flange (200), the right side wall of the connecting flange (200) is in threaded connection with the sleeve (300) through the internal thread, the right side wall of the sleeve (300) is in threaded connection with the induction pipe (400), the right side wall of the induction pipe (400) is in threaded connection with the induction shell (500), the top and the bottom of the sleeve (300) are respectively and integrally connected with a thread groove (340) and a stud (310), the left side wall of the sleeve (300) is provided with an inner hole (320), and an inner column (330) is inserted in the inner hole, an inner sleeve (350) is inserted in the sleeve (300), a combined sleeve (360) is inserted in the inner sleeve (350), the bottom of the induction tube (400) is connected with an insulated conducting wire (410) in a threaded manner, the bottom of the insulated conducting wire (410) is electrically connected with a heat-shrinkable tube (420), the bottom of the heat-shrinkable tube (420) is electrically connected with an NTC resistor (430), the outer circumferential walls of the insulated wire (410), the heat-shrinkable tube (420) and the NTC resistor (430) are in threaded connection with an induction shell (500), the inside of the induction case (500) is filled with epoxy resin (510), the inside of the epoxy resin (510) is in contact with the insulated wire (410), the heat shrinkage tube (420) and the circumferential outer wall of the NTC resistor (430), the electrical input end of the insulated conducting wire (410) is electrically connected with the electrical output end of the control element through a conducting wire.

2. The thermometal thermometer of claim 1, wherein: the left side wall of shell (100) passes through screw fixed connection and has connecting plate (110), the bottom threaded connection of shell (100) has link (120).

3. The thermometal thermometer of claim 1, wherein: the left side wall of the shell (100) is movably connected with a sealing cover (130) through a hinge.

4. The thermometal thermometer of claim 1, wherein: the right side wall of the connecting flange (200) is in threaded connection with a connecting rod (210), and the circumferential outer wall of the connecting rod (210) is in threaded connection with a fixing nut (220).

5. The thermometal thermometer of claim 1, wherein: the top of the sleeve (300) is provided with a main groove, and the circumferential inner wall of the main groove is in contact with the circumferential outer wall of the inner sleeve (350).

6. The thermometal thermometer of claim 1, wherein: the top of the inner sleeve (350) is provided with an auxiliary groove, and the circumferential inner wall of the auxiliary groove is in contact with the circumferential outer wall of the combined sleeve (360).

7. The thermometal thermometer of claim 1, wherein: the combined sleeve (360) is made of an anti-corrosion rubber sleeve, and the sleeve (300) and the inner column (330) are made of corundum tubes.

8. The thermometal thermometer of claim 1, wherein: the structure of the stud (310) is matched with that of the thread groove (340), and a gasket is sleeved between the connecting end of the stud (310) and the connecting end of the thread groove (340).

9. The thermometal thermometer of claim 1, wherein: a groove is formed in the left side wall of the sealing cover (130), and a toughened glass plate is embedded in the groove.