CN113295289B - Thermocouple connection structure with impact protection function - Google Patents
Thermocouple connection structure with impact protection function Download PDFInfo
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- CN113295289B CN113295289B CN202110487981.7A CN202110487981A CN113295289B CN 113295289 B CN113295289 B CN 113295289B CN 202110487981 A CN202110487981 A CN 202110487981A CN 113295289 B CN113295289 B CN 113295289B
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- thermocouple
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a thermocouple connecting structure with an impact protection function, which comprises a protective shell, two damping bearing rings, a thermocouple, a connecting pin, a sleeve, a middle connecting piece, a rolling cover, a tail cover and a wire pad, wherein the two damping bearing rings are sleeved at two ends of the thermocouple, the thermocouple and the two damping bearing rings are positioned in the protective shell, the middle connecting piece is in threaded connection with the sleeve, the rolling cover is installed in the middle connecting piece through the connecting pin and the sleeve, the tail cover is in threaded connection with the middle connecting piece, the wire pad is positioned in the tail cover, a data wire of the thermocouple penetrates through the middle connecting piece, the rolling cover, the tail cover and the wire pad, the outline of the protective shell is in a circular tubular shape, and shell grooves distributed in an annular array are formed in the outer circular surface of the protective shell. This thermocouple connection structure with strike safeguard function, protection thermocouple that can be good still can be orderly the data line of bundling thermocouple, is fit for generally using widely.
Description
Technical Field
The invention belongs to the technical field of thermocouples, and particularly relates to a thermocouple connection structure with an impact protection function.
Background
The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument. The appearance of various thermocouples is very different according to needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are generally composed of main parts such as a thermode, an insulating sleeve protection tube, a junction box and the like, and are generally matched with a display instrument, a recording instrument and an electronic regulator for use.
The thermocouple is installed in a vibration container, the existing thermocouple is usually installed and fixed by a fixing frame or a clamping hoop, and the installation and use method has the defects that firstly, the thermocouple is directly exposed outside an installation structure by the installation method, the thermocouple is easy to damage due to external impact, secondly, the thermocouple can shake along with the thermocouple in a vibration state of the container, the thermocouple has the probability of damage due to vibration, and then, the thermocouple is usually connected by a data wire which is usually reserved with a certain length, and the existing processing method is to bundle the cable into a coil shape and fix the cable outside the container, so that an additional bundling assembly is needed for fixing.
Disclosure of Invention
The present invention is directed to a thermocouple connection structure with impact protection function, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a thermocouple connection structure with an impact protection function comprises a protective shell, two damping bearing rings, a thermocouple, a connecting pin, a sleeve, a middle connecting piece, a rolling cover, a tail cover and a wire pad, wherein the two damping bearing rings are sleeved at two ends of the thermocouple, the thermocouple and the two damping bearing rings are located inside the protective shell, the middle connecting piece is in threaded connection with the sleeve, the rolling cover is installed inside the middle connecting piece through the connecting pin and the sleeve, the tail cover is in threaded connection with the middle connecting piece, the wire pad is located inside the tail cover, and a data wire of the thermocouple penetrates through the middle connecting piece, the rolling cover, the tail cover and the wire pad;
a shell end ring is arranged on the inner side of one end of the protective shell, shell threads are arranged on the inner side of the other end of the protective shell, two annular shell wall rings are arranged in the protective shell, a shell groove is formed in the outer circular surface of the protective shell, and the shell wall rings are positioned at two ends of the shell groove;
the profile of the middle connecting piece is cylindrical, and cylindrical threads are formed on the outer circles of two ends of the middle connecting piece;
the circular part of the tail cover is provided with a tail hole, and the edge of the inner wall of the tail cover is provided with tail threads;
the damping bearing ring far away from the data line is positioned between the shell end ring and the shell wall ring, the damping bearing ring adjacent to the data line is positioned between the other shell wall ring and the end face of the middle connecting piece, and two barrel threads of the middle connecting piece are respectively connected with the shell threads of the protective shell and the tail threads of the tail cover.
Preferably, the protective shell is in a circular tubular shape, and is of an integrated structure made of aluminum alloy.
Preferably, the contour of the damping bearing ring is in a circular block shape, ring end face grooves are formed in the end face of the damping bearing ring, the ring end faces are communicated with ring groove holes to be connected, the ring groove holes are formed in a plurality of annular array distribution, a ring hole and a ring end hole coincident with the axis of the ring hole are formed in the circle center of the damping bearing ring, the end portion of the thermocouple is located inside the ring end hole, and the data line of the thermocouple penetrates through the ring hole.
Preferably, the profile of the sleeve is tubular, a pipe pin hole radially penetrating through the sleeve is formed in the sleeve, the inner part of the middle connecting piece is in a circular plate shape, the circle center of the middle connecting piece is a tubular piece middle pipe, a piece inner pipe and a piece outer pipe are arranged on the outer side of the piece middle pipe, the axial lines of the middle connecting piece, the piece middle pipe, the piece inner pipe and the piece outer pipe are overlapped, the piece inner pipe and the piece outer pipe are provided with three cylinder line openings distributed in an annular array mode, cylinder line through holes are formed in the circular plate-shaped part in the middle connecting piece, and the edges of the two ends of the cylinder line through holes are subjected to round angle processing.
Preferably, the profile of rolling lid is circular platelike, rolling lid edge is opened has both ends edge to make the lid hole that the fillet was handled, the rolling lid is equipped with the lid axle towards the surface of protecting crust, the face of rolling lid axle dorsad is equipped with the handle, the inside handle hole that opens of handle, the one end of lid axle dorsad rolling lid is opened and is had radially to run through its inside axle head hole.
Preferably, the profile of tail-hood is the cup, the line pad is located inside the tail-hood, the excircle of line pad is opened and is filled up the inside of outer tank and for filling up the inner lane, the tail hole card is gone into and is filled up the inside of outer tank.
As a further scheme of the invention, the cover shaft of the winding cover penetrates through the middle pipe in the middle connecting piece, the sleeve is sleeved outside the cover shaft penetrating through the middle pipe, the pipe pin hole in the sleeve and the shaft end hole at the end part of the cover shaft are fixedly inserted with the connecting pin, the data wire penetrates through the bobbin thread through hole and the bobbin thread opening in the middle connecting piece and is spirally wound outside the inner pipe of the middle connecting piece, and then the data wire penetrates through the cover hole and the handle hole in the winding cover and the pad inner channel in the wire pad.
The invention has the technical effects and advantages that: according to the thermocouple connection structure with the impact protection function, the protection shell protects the thermocouple inside, the thermocouple cannot be directly exposed outside, and the design can prevent the thermocouple from directly bearing external impact, so that the probability of damage of the thermocouple due to external impact is reduced;
the damping bearing rings at the two ends of the thermocouple play a role in supporting the thermocouple, and the flexible damping bearing rings can play a role in absorbing vibration, so that the vibration directly acting on the thermocouple is buffered, and the damage probability of the thermocouple caused by the vibration is reduced;
the rotatory rolling lid can be outside winding a data line to an inner tube to accomplish the receipts of the data line of thermocouple and restraint the data line that the mode can comparatively regular thermocouple and accomodate, both avoided using the use of the outside receipts bundle subassembly, can restraint neatly more with the data line moreover.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention in a separated state;
FIG. 4 is a schematic view of the structure of the protective shell of the present invention;
FIG. 5 is a schematic view of the shock absorbing support ring of the present invention;
FIG. 6 is a schematic view of the construction of the bushing of the present invention;
FIG. 7 is a schematic view of a middle connector structure according to the present invention;
FIG. 8 is a sectional view of the middle connection piece of the present invention;
FIG. 9 is a front view of the middle connector of the present invention;
FIG. 10 is a schematic view of a rolling cover structure according to the present invention;
FIG. 11 is a schematic view of the tail cap structure of the present invention;
fig. 12 is a schematic view of the wire pad structure of the present invention.
In the figure: 1. a protective shell; 101. a shell end ring; 102. a shell wall ring; 103. a shell groove; 104. a shell thread; 2. a shock absorbing bearing ring; 201. a ring end face groove; 202. a ring groove hole; 203. a loop hole; 204. a ring end hole; 3. a thermocouple; 301. a data line; 4. a connecting pin; 5. a sleeve; 501. a tube pin hole; 6. a middle connecting piece; 601. a pipe-in-pipe; 602. an inner cylinder; 603. an outer cylinder; 604. a bobbin thread opening; 605. barrel threads; 606. the bobbin thread passes through the hole; 7. a winding cover; 701. a cover hole; 702. a handle; 703. a shank hole; 704. a cover shaft; 705. a shaft end bore; 8. a tail cover; 801. a tail hole; 802. tail threads; 9. a wire pad; 901. an outer cushion groove; 902. and (4) filling the inner channel.
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.
Referring to fig. 1-3 a thermocouple connection structure with strike safeguard function, including protecting crust 1, shock attenuation supporting ring 2, thermocouple 3, connecting pin 4, sleeve pipe 5, well connecting piece 6, rolling lid 7, tail-hood 8 and line pad 9, shock attenuation supporting ring 2 is equipped with two and overlaps and establish at thermocouple 3 both ends, thermocouple 3 and two shock attenuation supporting ring 2 are located inside protecting crust 1, well connecting piece 6 and sleeve pipe 5 threaded connection, rolling lid 7 is installed inside well connecting piece 6 through connecting pin 4 and sleeve pipe 5, tail-hood 8 and well connecting piece 6 threaded connection, line pad 9 is located inside tail-hood 8, connecting piece 6, rolling lid 7, tail-hood 8 and line pad 9 in thermocouple 3's data line 301 passes.
Referring to fig. 4-5, the protective shell 1 has a circular tubular outline, the outer circumferential surface of the protective shell 1 is provided with shell grooves 103 distributed in an annular array, the inner side of one end of the protective shell 1 is provided with a shell end ring 101, the inner side of the other end of the protective shell 1 is provided with shell threads 104, two annular shell wall rings 102 are arranged inside the protective shell 1, the shell wall rings 102 are located at two ends of the shell grooves 103, the protective shell 1 is an integrated structure made of aluminum alloy, the protective shell 1 is used for supporting a shock-absorbing support ring 2 to protect a thermocouple 3 inside the shock-absorbing support ring 1, the outline of the shock-absorbing support ring 2 is in a circular block shape, the end surfaces of the shock-absorbing support ring 2 are provided with ring end surface grooves 201, the two ring end surface grooves 201 are connected through ring groove holes 202, the ring groove holes 202 are provided with a plurality of annular arrays, the circle center of the shock-absorbing support ring 2 is provided with a ring wire hole 203 and a ring end hole 204 coinciding with the axial line of the ring wire hole 203, the end part of the thermocouple 3 is positioned in the ring end hole 204, the data wire 301 of the thermocouple 3 passes through the ring wire hole 203, and the damping bearing ring 2 is made of flexible rubber.
Referring to fig. 6 to 9, the sleeve 5 has a tubular profile, and a pin hole 501 radially penetrating the interior of the sleeve 5 is formed therein, the profile of the middle connecting piece 6 is cylindrical, the outer circles at two ends of the middle connecting piece 6 are both provided with cylindrical threads 605, the interior of the middle connecting piece 6 is in a circular plate shape, the circle center of the middle connecting piece 6 is a tubular middle pipe 601, an inner tube 602 and an outer tube 603 are arranged outside the tube-in-tube 601, the axial leads of the middle connecting piece 6, the tube-in-tube 601, the inner tube 602 and the outer tube 603 are overlapped, the inner barrel 602 and the outer barrel 603 are both provided with three barrel line ports 604 distributed in an annular array, the disc-shaped part inside the middle connecting piece 6 is provided with a bobbin thread through hole 606, the edges of the two ends of the bobbin thread through hole 606 are rounded, the sleeve 5 and the connecting pin 4 are used for rotatably connecting the middle connecting piece 6 and the rolling cover 7, and the middle connecting piece 6 and the rolling cover 7 have certain damping in rotation.
Referring to fig. 10 to 12, the outline of the winding cover 7 is in a circular plate shape, the edge of the winding cover 7 is provided with a cover hole 701, the edges of the two ends of the cover hole 701 are rounded, the surface of the winding cover 7 facing the protective shell 1 is provided with a cover shaft 704, the surface of the winding cover 7 facing away from the cover shaft 704 is provided with a handle 702, the handle 702 is internally provided with a handle hole 703, one end of the cover shaft 704 facing away from the winding cover 7 is provided with a shaft end hole 705 radially penetrating through the cover shaft, the winding cover 7 is used for blocking a data line 301 wound outside the inner cylinder 602, the outline of the tail cover 8 is in a cup shape, the circular part of the tail cover 8 is provided with a tail hole 801, the edge of the inner wall of the tail cover 8 is provided with a tail thread 802, the wire mat 9 is located inside the tail cover 8, the wire mat 9 is provided with a mat inner channel 902 inside the mat outer groove 901, the tail hole 801 is clamped into the mat outer groove 901, and the tail cover 8 prevents the winding cover 7 from directly contacting with the outside, the line pad 9 prevents the data line 301 from being scratched by the inner edge of the tail hole 801.
The position relation of each part, the shock absorption bearing ring 2 far away from the data line 301 is positioned between the shell end ring 101 and the shell wall ring 102, the adjacent shock-absorbing bearing ring 2 of the data line 301 is positioned between the other shell wall ring 102 and the end face of the middle connecting piece 6, the two barrel threads 605 of the middle connecting piece 6 are respectively connected with the shell threads 104 of the protective shell 1 and the tail threads 802 of the tail cap 8, the cover shaft 704 of the rolling cover 7 passes through the middle pipe 601 in the middle connecting piece 6, the sleeve 5 is sleeved outside the cover shaft 704 passing through the middle pipe 601, the connecting pin 4 is inserted and fixed in the tube pin hole 501 in the sleeve 5 and the shaft end hole 705 at the end of the cover shaft 704, the data wire 301 passes through the bobbin thread passing hole 606 and the bobbin thread opening 604 in the middle connector 6, is spirally wound around the outside of the element inner cylinder 602 in the middle connector 6, and then passes through the cover hole 701 and the handle hole 703 in the winding cover 7 and the pad inner passage 902 in the wire pad 9.
According to the working principle, when external sundries hit the thermocouple 3, the thermocouple connection structure can be blocked by the protective shell 1, when vibration acts on the thermocouple 3, the vibration acts on the outer portions of the protective shell 1, the middle connecting piece 6 and the tail cover 8 firstly, the vibration can cause the damping bearing ring 2 to deform to absorb a part of vibration, the vibration after being inhibited by the damping bearing ring 2 acts on the thermocouple 3, so that the effect of damping the thermocouple 3 is achieved, the winding cover 7 is rotated when the cable is wound, when the winding cover 7 is rotated, the winding cover is wound outside the inner cylinder 602 in a spiral shape due to the effect of the cover hole 701, so that the winding of the cable is completed, the damping bearing ring 2 can be deformed more easily due to the annular groove hole 202, so that the vibration absorption effect is optimized, the thermocouple 3 is used for testing the temperature of liquid, and the liquid can pass through the shell groove 103 to be in contact with the thermocouple 3.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a thermocouple connection structure with strike safeguard function, includes protecting crust (1), shock attenuation bearing ring (2), thermocouple (3), connecting pin (4), sleeve pipe (5), well connecting piece (6), rolling lid (7), tail-hood (8) and line pad (9), its characterized in that: the damping bearing rings (2) are arranged and sleeved at two ends of the thermocouple (3), the thermocouple (3) and the two damping bearing rings (2) are located inside the protective shell (1), the middle connecting piece (6) is in threaded connection with the sleeve (5), the winding cover (7) is installed inside the middle connecting piece (6) through the connecting pin (4) and the sleeve (5), the tail cover (8) is in threaded connection with the middle connecting piece (6), the wire pad (9) is located inside the tail cover (8), and the data wire (301) of the thermocouple (3) penetrates through the middle connecting piece (6), the winding cover (7), the tail cover (8) and the wire pad (9);
a shell end ring (101) is arranged on the inner side of one end of the protective shell (1), shell threads (104) are arranged on the inner side of the other end of the protective shell (1), two annular shell wall rings (102) are arranged in the protective shell (1), a shell groove (103) is formed in the outer circular surface of the protective shell (1), and the shell wall rings (102) are located at two ends of the shell groove (103);
the profile of the middle connecting piece (6) is cylindrical, and cylindrical threads (605) are arranged on the outer circles of two ends of the middle connecting piece (6);
a tail hole (801) is formed in the circular part of the tail cover (8), and tail threads (802) are formed in the edge of the inner wall of the tail cover (8);
the shock absorption supporting ring (2) far away from the data line (301) is positioned between the shell end ring (101) and the shell wall ring (102), the shock absorption supporting ring (2) adjacent to the data line (301) is positioned between the other shell wall ring (102) and the end face of the middle connecting piece (6), and two barrel threads (605) of the middle connecting piece (6) are respectively connected with the shell threads (104) of the protective shell (1) and the tail threads (802) of the tail cover (8).
2. A thermocouple connection structure having an impact protection function according to claim 1, wherein: the protective shell (1) is in a circular tubular shape, and the protective shell (1) is of an integrated structure made of aluminum alloy.
3. A thermocouple connection structure having an impact protection function according to claim 2, wherein: the profile of shock attenuation bearing ring (2) is circular block-shaped, the terminal surface of shock attenuation bearing ring (2) all opens and has ring terminal surface ditch (201), two ring terminal surface ditch (201) are connected through ring ditch hole (202), ring ditch hole (202) are opened and are had a plurality of and be annular array distribution, the centre of a circle part of shock attenuation bearing ring (2) is equipped with ring hole (203) and ring end hole (204) with ring hole (203) axial lead coincidence, the tip of thermocouple (3) is located inside ring end hole (204), data line (301) of thermocouple (3) pass ring hole (203).
4. A thermocouple connection structure having an impact protection function according to claim 3, wherein: the profile of the sleeve (5) is tubular, a pipe pin hole (501) which radially penetrates through the sleeve (5) is formed in the sleeve, the inner part of the middle connecting piece (6) is circular plate-shaped, the circle center of the middle connecting piece (6) is a tubular piece middle pipe (601), a piece inner pipe (602) and a piece outer pipe (603) are arranged on the outer side of the piece middle pipe (601), the axial leads of the middle connecting piece (6), the piece middle pipe (601), the piece inner pipe (602) and the piece outer pipe (603) are overlapped, three bobbin thread openings (604) distributed in an annular array mode are formed in the piece inner pipe (602) and the piece outer pipe (603), bobbin thread through holes (606) are formed in the circular plate-shaped part in the middle connecting piece (6), and the edges of two ends of the bobbin thread through holes (606) are subjected to fillet processing.
5. A thermocouple connection structure having an impact protection function according to claim 4, wherein: the profile of rolling lid (7) is circular platelike, rolling lid (7) edge is opened there is both ends edge to make lid hole (701) that the fillet was handled, rolling lid (7) are equipped with lid axle (704) towards the surface of protecting crust (1), the face of rolling lid (7) lid axle (704) dorsad is equipped with handle (702), handle (702) inside is opened there is handle hole (703), the one end of lid axle (704) dorsad rolling lid (7) is opened has radially to run through its inside axle end hole (705).
6. A thermocouple connection structure having an impact protection function according to claim 5, wherein: the profile of the tail cover (8) is cup-shaped, the wire pad (9) is positioned inside the tail cover (8), an outer groove (901) of the wire pad (9) is formed in the outer circle of the wire pad, an inner pad channel (902) is formed inside the outer pad groove (901), and the tail hole (801) is clamped into the outer pad groove (901).
7. A thermocouple connection structure having an impact protection function according to claim 6, wherein: the cover shaft (704) of the winding cover (7) penetrates through the middle pipe (601) of the middle connecting piece (6), the sleeve (5) is sleeved outside the cover shaft (704) penetrating through the middle pipe (601), a connecting pin (4) is fixedly inserted into a pipe pin hole (501) in the sleeve (5) and a shaft end hole (705) at the end part of the cover shaft (704), and the data line (301) penetrates through a bobbin thread through hole (606) and a bobbin thread opening (604) in the middle connecting piece (6) and is spirally wound outside a piece inner cylinder (602) in the middle connecting piece (6) and then penetrates through a cover hole (701) and a handle hole (703) in the winding cover (7) and a cushion inner channel (902) in the thread cushion (9).
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| CN202110487981.7A CN113295289B (en) | 2021-05-06 | 2021-05-06 | Thermocouple connection structure with impact protection function |
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| CN202110487981.7A CN113295289B (en) | 2021-05-06 | 2021-05-06 | Thermocouple connection structure with impact protection function |
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2021
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