CN211317553U

CN211317553U - Mining temperature sensor

Info

Publication number: CN211317553U
Application number: CN202020282491.4U
Authority: CN
Inventors: 李济甫; 王鹏; 常俊峰; 吕东; 张剑勇; 韩海军
Original assignee: Shanxi Wanli Technology Co ltd
Current assignee: Shanxi Wanli Technology Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-08-21
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a mining temperature sensor, pass through magnet with temperature sensor and adsorb on the plane of testee, through setting up fixed knot structure, guarantee that brass probe protective housing and testee closely laminate, under the cooperation of shrink spring, realize rubber ring and testee contact, then under the normal running fit of extrusion nut, can realize the extrusion to the rubber ring, guarantee vacuum cylinder and testee seamless connection, realize the isolation of testee surface and external environment, reduce external environment influence, guarantee the degree of accuracy of detection, stainless steel shell top sets up the internal thread, after all spare parts installation except the end cover finishes, carry out through the cooperation and glue and seal, glue and seal solidification cooling back, can scribble sealed end cover of gluing at stainless steel shell top screw in edge, this kind of sealing method, guarantee the water in explosion-proof place, buggy, Harmful impurities such as gas and dust enter, and the tensile resistance of the explosion-proof cable of the sensor is effectively improved.

Description

Mining temperature sensor

Technical Field

The utility model relates to a mining equipment field specifically is a mining temperature sensor.

Background

The thermistor that the main temperature sensor on the market at present adopted directly links to each other with the inside metal wire of cable the mode of obtaining the temperature, and the epoxy that reuses at last encapsulates thermistor and tie point inside the casing and so has a lot of shortcomings: the existing mining temperature sensor is poor in explosion-proof performance, particularly unsatisfactory in waterproof and moistureproof aspects, the temperature sensor is installed and fixed in a threaded mode, the convenience of installing the sensor on the existing underground equipment is poor, when the temperature sensor is used for detection, a sensing probe needs to be fixed on the surface of a detected object, the traditional method is fixed through a magnet and poor in positioning performance, when an irregular surface is fixed, the fixing effect is poor, the influence of the external environment is easy to cause inaccurate data, and the mining temperature sensor needs to be designed aiming at the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining temperature sensor has solved when detecting, and it is fixed that traditional approach passes through magnet, and the location nature is poor, and when fixed to irregular surface, fixed effect is not good, easily receives external environment to influence, leads to the unsafe technical problem of data.

The purpose of the utility model can be realized by the following technical scheme:

a mining temperature sensor comprises a brass probe protective shell, a plastic stud, a fixed structure, a digital temperature probe, heat-conducting silica gel, a single chip microcomputer circuit board, polyurethane sealant, a shell, an end cover, a waterproof joint and an explosion-proof cable, wherein the digital temperature probe is installed at the top of an inner cavity of the brass probe protective shell, the fixed structure is arranged at the bottom of the brass probe protective shell, the single chip microcomputer circuit board is installed inside a chamber of the shell, the single chip microcomputer circuit board and the brass probe protective shell are fixed through the plastic stud, an opening is formed in one side of the shell, the waterproof joint is installed at the opening in a matched mode, the explosion-proof cable is led out to a temperature monitoring substation through the waterproof joint, the end cover is provided with an external thread, an internal thread is formed in the top of a stainless steel;

the fixed knot constructs including lead screw, shrink spring, spacing ring, magnet, connecting rod, vacuum section of thick bamboo, rubber ring and extrusion nut, the inside of brass probe protective housing becomes the cross direction and runs through and has seted up four through-holes, the lead screw runs through the setting inside the through-hole, the extrusion nut passes through the screw rod cooperation and installs the top at the lead screw, the spacing ring cup joints and fixes the bottom outside at the lead screw, the shrink spring cup joints and fixes the bottom outside at the lead screw, the both ends of shrink spring are respectively through welded fastening in the bottom side of brass probe protective housing and the top side of spacing ring.

As a further aspect of the present invention: and polyurethane sealant is adopted for sealing between the single chip microcomputer circuit board and the digital temperature probe and between the single chip microcomputer circuit board and the stainless steel shell.

As a further aspect of the present invention: the vacuum cylinder penetrates through the center of the brass probe protective shell, and the rubber ring is bonded at the bottom port of the vacuum cylinder.

As a further aspect of the present invention: the bottom end of the vacuum cylinder is correspondingly arranged right below the digital temperature probe.

As a further aspect of the present invention: the bottom end face of the screw rod is fixedly connected with a bearing seat, the bottom side of the bearing seat is connected with a support in a matched mode through a shaft lever, the connecting rod is bonded at the center of the top side of the magnet, and the top end of the connecting rod is connected inside the support in an inserted mode through a pin in a matched mode.

As a further aspect of the present invention: the outside parcel of digital temperature probe has heat conduction silica gel, the top port and the seamless extrusion of heat conduction silica gel of a vacuum section of thick bamboo are fixed.

The utility model has the advantages that: the temperature sensor is adsorbed on the plane of a measured object through a magnet, the brass probe protective shell is tightly attached to the measured object through the arrangement of the fixing structure, the rubber ring is contacted with the measured object under the matching of a contraction spring, then the rubber ring can be extruded under the rotation matching of an extrusion nut, the seamless connection of the vacuum cylinder and the measured object is ensured, the isolation of the surface of the measured object from the external environment is realized, the influence of the external environment is reduced, the detection accuracy is ensured, heat is detected through the digital temperature probe, the digital temperature probe is changed into a digital signal to be transmitted to the single chip circuit board after acquiring the temperature signal, and the single chip circuit board transmits the temperature signal to the temperature monitoring substation in an RS485 mode after being subjected to conventional signal processing;

the stainless steel shell top sets up the internal thread, and all spare parts except that the end cover are installed and are accomplished the back, glue through the cooperation and seal, glue and seal solidification cooling back, can be at the sealed end cover of gluing on stainless steel shell top screw in edge scribbling glue, and this kind of sealed mode ensures that water, buggy, gas, dust and other harmful impurity in explosion-proof place get into, effectively promotes the resistant pulling force of sensor explosion-proof cable.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an overall perspective view of the present invention;

FIG. 3 is a perspective view of the fixing structure of the present invention;

in the figure: 1. a brass probe protective case; 2. a plastic stud; 3. a fixed structure; 4. a digital temperature probe; 5. heat conducting silica gel; 6. a single chip circuit board; 7. a polyurethane sealant; 8. a housing; 9. an end cap; 10. a waterproof joint; 11. an explosion-proof cable; 31. a screw rod; 32. a retraction spring; 33. a limiting ring; 34. a magnet; 35. a connecting rod; 36. a vacuum cylinder; 37. a rubber ring; 38. the nut is pressed.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, a temperature sensor for mining comprises a brass probe protective shell 1, a plastic stud 2, a fixed structure 3, a digital temperature probe 4, a heat-conducting silica gel 5, a single chip microcomputer circuit board 6, a polyurethane sealant 7, a shell 8, an end cover 9, a waterproof joint 10 and an explosion-proof cable 11, wherein the digital temperature probe 4 is installed at the top of an inner cavity of the brass probe protective shell 1, the fixed structure 3 is arranged at the bottom of the brass probe protective shell 1, the single chip microcomputer circuit board 6 is installed in a chamber of the shell 8, the single chip microcomputer circuit board 6 and the brass probe protective shell 1 are fixed by the plastic stud 2, an opening is formed in one side of the shell 8, the waterproof joint 10 is installed at the opening in a matching manner, the explosion-proof cable 11 is led out to a temperature monitoring substation through the waterproof joint 10, the, screwing an end cover 9 with the edge coated with the sealant into the top of the stainless steel shell 8;

the fixing structure 3 comprises a screw rod 31, a contraction spring 32, a limiting ring 33, a magnet 34, a connecting rod 35, a vacuum cylinder 36, a rubber ring 37 and an extrusion nut 38, four through holes are formed in the brass probe protective shell 1 in a cross-shaped direction in a penetrating mode, the screw rod 31 is arranged in the through holes in a penetrating mode, the extrusion nut 38 is installed at the top end of the screw rod 31 in a matching mode through a screw rod, the limiting ring 33 is fixedly sleeved on the outer portion of the bottom end of the screw rod 31, the contraction spring 32 is fixedly sleeved on the outer portion of the bottom end of the screw rod 31, and two ends of the contraction spring 32 are fixedly arranged on the bottom side of the;

polyurethane sealant 7 is adopted for sealing between the singlechip circuit board 6 and the digital temperature probe 4 and between the singlechip circuit board 6 and the stainless steel shell 8;

the vacuum cylinder 36 penetrates through the center of the brass probe protective shell 1, and the rubber ring 37 is bonded at the bottom end port of the vacuum cylinder 36 and can be better matched and sealed;

the bottom end of the vacuum cylinder 36 is correspondingly arranged right below the digital temperature probe 4, and can be matched with the digital temperature probe 4 to realize vacuum isolation;

a bearing seat is fixedly connected to the end face of the bottom end of the screw rod 31, a support is installed on the bottom side of the bearing seat in a matched and connected mode through a shaft rod, a connecting rod 35 is bonded to the center of the top side of the magnet 34, and the top end of the connecting rod 35 is installed inside the support in a matched and inserted mode through a pin;

the outer side of the digital temperature probe 4 is wrapped by the heat-conducting silica gel 5, and the top end port of the vacuum cylinder 36 is fixed with the heat-conducting silica gel 5 in a seamless extrusion mode, so that the digital temperature probe 4 can be sealed.

The utility model discloses a theory of operation: the temperature sensor is adsorbed on the plane of a measured object through a magnet 34, under the coordination of four vacuum cylinders 36, the positioning of an irregular surface object can be realized, the brass probe protective shell 1 is tightly attached to the measured object, under the coordination of a contraction spring 32, the contact between a rubber ring 37 and the measured object is realized, then under the rotation coordination of an extrusion nut 38, the extrusion of the rubber ring 37 can be realized, the seamless connection between the vacuum cylinder 36 and the measured object is ensured, the isolation between the surface of the measured object and the external environment is realized, the influence of the external environment is reduced, the detection accuracy is ensured, the heat is detected through a digital temperature probe 4, the digital temperature probe 4 is converted into a digital signal to be transmitted to a single chip circuit board 6 after obtaining the temperature signal, the single chip circuit board 6 transmits the temperature signal to a temperature monitoring substation in an RS485 mode after the conventional signal processing, 8 tops of stainless steel shell set up the internal thread, and except that the back of finishing is installed to all spare parts except that end cover 9, carry out and glue through the sealed 7 cooperation of gluing of polyurethane and seal, glue and seal solidification cooling back, can be at 8 top screw in edges of stainless steel shell and scribble sealed gluey end cover 9, this kind of sealed mode, harmful impurity such as water, buggy, gas, the dust of ensureing the explosion-proof place gets into, effectively promotes the resistant pulling force of sensor explosion-proof cable 11.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A mining temperature sensor is characterized by comprising a brass probe protective shell (1), a plastic stud (2), a fixing structure (3), a digital temperature probe (4), heat-conducting silica gel (5), a single chip microcomputer circuit board (6), polyurethane sealant (7), a shell (8), an end cover (9), a waterproof joint (10) and an explosion-proof cable (11), wherein the digital temperature probe (4) is installed at the top of an inner cavity of the brass probe protective shell (1), the fixing structure (3) is arranged at the bottom of the brass probe protective shell (1), the single chip microcomputer circuit board (6) is installed in the cavity of the shell (8), the single chip microcomputer circuit board (6) and the brass probe protective shell (1) are fixed through the plastic stud (2), an opening is formed in one side of the shell (8), and the waterproof joint (10) is installed at the opening in a matching manner, leading out the explosion-proof cable (11) to a temperature monitoring substation through the waterproof connector (10), wherein the end cover (9) is provided with an external thread, the top of the stainless steel shell (8) is provided with an internal thread, and the end cover (9) with the edge coated with the sealant is screwed in the top of the stainless steel shell (8);

fixed knot constructs (3) and includes lead screw (31), shrink spring (32), spacing ring (33), magnet (34), connecting rod (35), vacuum tube (36), rubber ring (37) and extrusion nut (38), the inside of brass probe protective housing (1) becomes the cross direction and runs through and has seted up four through-holes, lead screw (31) run through the setting inside the through-hole, the top at lead screw (31) is installed through the screw rod cooperation in extrusion nut (38), spacing ring (33) cup joint and fix the bottom outside at lead screw (31), shrink spring (32) cup joint and fix the bottom outside at lead screw (31), the both ends of shrink spring (32) are respectively through welded fastening in the bottom side of brass probe protective housing (1) and the top side of spacing ring (33).

2. The mining temperature sensor according to claim 1, wherein the single chip microcomputer circuit board (6) and the digital temperature probe (4) and the single chip microcomputer circuit board (6) and the stainless steel shell (8) are sealed by polyurethane sealant (7).

3. The mining temperature sensor according to claim 1, characterized in that the vacuum cylinder (36) is arranged in a central position of a brass probe protective shell (1) in a penetrating manner, and the rubber ring (37) is bonded at a bottom end port of the vacuum cylinder (36).

4. The mining temperature sensor according to claim 1, characterized in that the bottom end of the vacuum cylinder (36) is correspondingly arranged right below the digital temperature probe (4).

5. The mining temperature sensor according to claim 1, wherein a bearing seat is fixedly connected to the end face of the bottom end of the screw rod (31), a support is installed on the bottom side of the bearing seat in a matched and connected mode through a shaft rod, the connecting rod (35) is bonded to the center of the top side of the magnet (34), and the top end of the connecting rod (35) is installed inside the support in a matched and inserted mode through a pin.

6. The mining temperature sensor according to claim 1, wherein the digital temperature probe (4) is wrapped by heat-conducting silica gel (5), and a top end port of the vacuum cylinder (36) is fixed with the heat-conducting silica gel (5) in a seamless extrusion manner.