CN202453102U - Special temperature sensor for straw clean sterilizing tank - Google Patents
Special temperature sensor for straw clean sterilizing tank Download PDFInfo
- Publication number
- CN202453102U CN202453102U CN2012200538909U CN201220053890U CN202453102U CN 202453102 U CN202453102 U CN 202453102U CN 2012200538909 U CN2012200538909 U CN 2012200538909U CN 201220053890 U CN201220053890 U CN 201220053890U CN 202453102 U CN202453102 U CN 202453102U
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- tube
- thermocouple
- temperature sensor
- wire
- straight tube
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Abstract
The utility model provides a special temperature sensor for a straw clean sterilizing tank, belonging to the technical field of a temperature measurement sensor. The special temperature sensor for the straw clean sterilizing tank is characterized in that a thermocouple is arranged in a straight tube, one end of the straight tube is a conical drill bit with a center hole, the thermocouple adopts a first thermal couple wire of 7 strands of nickel-chromium fine wire and a second thermal couple wire of 7 strands of nickel-copper fine wire, and the node of the thermocouple extends out from the center hole and is welded with the tip of the conical drill bit; and the other end of the straight tube is welded with a cross tube after a retained semi-circular wall, which is obtained after semi-circle is cut off, is inserted into the cross tube. The temperature sensor is simple in structure, the connection structure of the straight tube and the cross tube is reasonable, the rigidity is good, the anti-striking capability is strong, and the thermocouple of multistrand nickel-chromium and nickel-copper fine wires is shock-resistant, so that the reliability and service life of the sensor are significantly improved, and furthermore, the response speed and the measurement accuracy are high.
Description
Technical field
The utility model relates to a kind of straw jar dedicated temperature sensor that disappears clearly, and it belongs to the technical field of sensor for measuring temperature.
Background technology
Straw to the Japan outlet trade in, to place the jar that disappears clearly to carry out can exporting after the high-temperature sterilization sterilization straw earlier, make straw reach export standard, the sterilisation temp that control disappears clearly in the jar is very important.Existing bale through the extruding packing; When placing the jar that disappears clearly to sterilize; Key is that the central temperature of minimum intensification point place bale that will guarantee to disappear clearly in the jar wants true; Can not make the fixing or problem such as not in place of sliding of node cause measurement point drift or untrue because of the placement of temperature probe, cause product quality defective.The temperature sensor that on straw disappears jar clearly, uses for many years has following shortcoming:
1, once when making the sheath temperature sensor, for reducing cost, use wall thickness only the pipe of 0.5mm do the straight tube of housing since wall thin stressed slightly be flexible or distortion.
2, using L shaped profile in shape, thin not up to standard because of wall, make L shaped bending when knocking, be prone to break node and cause the heat transfer signal interruption.
3, when straight tube assembles the wedge shape tip, use argon arc welding, for the anti-essence of burning, 0.5mm is arrived in two each overstriking of thermocouple wire sectional area
2, thermocouple wire and transmission thermocouple wire (0.2mm that node is come out
2) the cross section do not wait slightly, be prone to cause instability.
4, once using the guiding pricker aborning, making between the pricker body has crack, forms false the intensification.
5, because high temperature or scratch to form thermocouple wire and sag of protecting coating partly occurs, between the bare wire of thermocouple, thermocouple and housing wall intermetallic tower occurs and connect and cause the signal disorder.
Summary of the invention
In order to solve the problem that exists in the above-mentioned prior art, the utility model provides a kind of straw jar dedicated temperature sensor that disappears clearly.This temperature sensor should be simple in structure, anti-fight, vibration resistance, response speed is fast and measuring accuracy is high.
The technical scheme that the utility model adopts is: a kind of straw jar dedicated temperature sensor that disappears clearly; It mainly comprises the housing of a thermopair and an installation thermopair; Said housing adopts a straight tube; Be provided with a circular cone bore bit with center pit in the lower end of straight tube, other head upper end is fallen reservation lunette behind two/half garden with truncation and is inserted to push up on the transverse tube in the transverse tube and be fixedly connected with transverse tube behind the inwall; First thermocouple wire of 7 strands of nickel chromium triangle fine rules of said thermopair employing and second thermocouple wire of 7 strands of ambrose alloy fine rules pass the diplopore porcelain tube and place in the straight tube, and thermocouple junction is positioned at the center pit of circular cone bore bit; End at said transverse tube is provided with a threaded connector, connects a protection tube through nut, and the lead-in wire of said first thermocouple wire and second thermocouple wire stretches out from protection tube.
Adopt welded structure between said straight tube and the transverse tube.
The center pit of said circular cone bore bit adopts through hole structure, and said thermocouple junction is stretched out and welded together with the tip of circular cone bore bit from center pit.
Said first thermocouple wire and the part of second thermocouple wire in transverse tube are respectively equipped with fiberglass pipe.
The beneficial effect of the utility model is: this straw jar dedicated temperature sensor that disappears clearly is arranged on thermopair in the straight tube; One end of straight tube is the circular cone bore bit with center pit; Thermopair adopts first thermocouple wire of 7 strands of nickel chromium triangle fine rules and second thermocouple wire of 7 strands of ambrose alloy fine rules, and thermocouple junction is stretched out and welded together with the tip of circular cone bore bit from center pit; After the other end of straight tube falls truncation reservation lunette behind 1/2nd semicircles and inserts in the transverse tube, push up that upper wall and transverse tube oxter weld together in the transverse tube.This temperature sensor is because simple in structure, and the syndeton of straight tube and transverse tube is reasonable, good rigidly; Anti-strike ability is strong; The thermopair vibration resistance of multiply nickel chromium triangle-ambrose alloy fine rule has significantly improved the reliability and the serviceable life of sensor, and response speed fast with the measuring accuracy height.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is disappear the clearly structural drawing of jar dedicated temperature sensor of a kind of straw.
Among the figure: 1, straight tube, 1a, circular cone bore bit, keep lunette at 1b, and 2, transverse tube, 3, first thermocouple wire, 4, second thermocouple wire, 5, thermocouple junction, 6, the diplopore porcelain tube, 7, threaded connector, 8, nut, 9, protection tube, 10, lead-in wire, 11, fiberglass pipe.
Embodiment
Fig. 1 shows disappear the clearly structural drawing of jar dedicated temperature sensor of a kind of straw.Among the figure; Temperature sensor mainly comprises the housing of a thermopair and an installation thermopair; The thermopair housing mainly adopts a straight tube 1; At circular cone bore bit 1a with center pit of an end of straight tube 1 welding, the other end falls 1/2nd semicircles, high for after the reservation lunette 1b behind the 8mm inserts in the transverse tube 2 with truncation, welds together with transverse tube 2.First thermocouple wire 3 of 7 strands of nickel chromium triangle fine rules of thermopair employing and second thermocouple wire 4 of 7 strands of ambrose alloy fine rules pass 5 diplopore porcelain tubes 6 and place in the straight tube 1; First thermocouple wire 3 and the part of second thermocouple wire 4 in transverse tube 2 are respectively equipped with fiberglass pipe 11; The center pit of circular cone bore bit 1a adopts through hole structure, and thermocouple junction 5 is stretched out and welded together with the tip of circular cone bore bit 1a from center pit.End at transverse tube 2 is provided with a threaded connector 7, and the lead-in wire 10 that connects protection tube 9, the first thermocouple wires 3 and second thermocouple wire 4 through nut 8 stretches out from protection tube 9.
Introduce above-mentioned straw disappear the clearly selection and the manufacturing process of jar dedicated temperature sensor below:
One, selection
1. straight tube 1 employing external diameter is that φ 8mm, skin depth are that 1.5mm, length are industrial 304 stainless-steel tubes of 183mm.
2. circular cone bore bit 1a adopts industrial 304 stainless-steel tubes, and holding external diameter greatly is 8mm, and the small end external diameter is 2mm, long is 15mm, in be provided with a φ 2.5mm central bore.
3. transverse tube 2 employing external diameters are φ 14mm, and skin depth is industrial 304 stainless-steel tubes of 2.0mm.
4. first thermocouple wire 3 adopts 7 gangs of 0.2mm
2The nickel chromium triangle fine rule, second thermocouple wire 4 adopts 7 gangs of 0.2mm
2The ambrose alloy fine rule, long 350mm, promptly thermocouple wire adopts a line on earth with lead-in wire.
Two, manufacturing process
1. at first about 100mm tiltedly cuts in two at the place in the centre straight tube 1, makes the about 100mm of epimere, the about 86mm of hypomere.
2. with first thermocouple wire 3 of thermopair with second thermocouple wire penetrates straight tube hypomere 86mm for 4 times and circular cone bore bit 1a welds in lower port; Again 4～5 φ 5mm diplopore porcelain tubes 6 are enclosed within on the thermocouple wire, get into pipe lower end in the straight tube; Following bottom and circular cone bore bit 1a join and weld.
3. 1/2 semicircle is fallen in the long approximately 100mm upper end truncation of straight tube 1 epimere; In the oblique section of upper end, adorn two lead-in wires in the porcelain tube, the lead-in wire epimere exposes 100mm; Again that high-order 8mm is thick reservation lunette 1b draws in the transverse tube port with lead-in wire earlier after inserting in the transverse tube 2; Weld together straight tube 1 upper end and transverse tube 2 again.After welding, it is iron wire lead-in wire that straight tube 1 reveals in transverse tube 2 ports.
5. with long altogether 200.5mm after the also good welding of epimere (being solded into transverse tube) and hypomere angular cut place of straight tube 1.
6. on the extended line of first thermocouple wire 3 and second thermocouple wire 4 above the diplopore porcelain tube 6, respectively overlap the one section long φ 1mm of 50mm fiberglass pipe 11, be not worn in the right-angle turning place, avoid short circuit to safeguard this thermocouple wire.
7. at last at an end of transverse tube 2 threaded connector 7 of screwing on, be installed to protection tube 9 on the threaded connector 7, and the lead-in wire 10 of adjusting to thermopair exposes protection tube 9 suitable lengths with nut 8.
Claims (4)
1. a straw jar dedicated temperature sensor that disappears clearly; It mainly comprises the housing of a thermopair and an installation thermopair; It is characterized in that: said housing adopts a straight tube (1); End at straight tube (1) is provided with a circular cone bore bit (1a) with center pit, and the other end falls reservation lunette (1b) behind 1/2nd semicircles with truncation and inserts that the back is fixedly connected with transverse tube (2) in the transverse tube (2); First thermocouple wire (3) of 7 strands of nickel chromium triangle fine rules of said thermopair employing and second thermocouple wire (4) of 7 strands of ambrose alloy fine rules pass diplopore porcelain tube (6) and place in the straight tube (1), and thermocouple junction (5) is positioned at the center pit of circular cone bore bit (1a); End at said transverse tube (2) is provided with a threaded connector (7), connects a protection tube (9) through nut (8), and the lead-in wire (10) of said first thermocouple wire (3) and second thermocouple wire (4) stretches out from protection tube (9).
2. a kind of straw according to claim 1 jar dedicated temperature sensor that disappears clearly is characterized in that: adopt welded structure between said straight tube (1) and the transverse tube (2).
3. a kind of straw according to claim 1 jar dedicated temperature sensor that disappears clearly; It is characterized in that: the center pit of said circular cone bore bit (1a) adopts through hole structure, and said thermocouple junction (5) is stretched out and welded together with the tip of circular cone bore bit (1a) from center pit.
4. a kind of straw according to claim 1 jar dedicated temperature sensor that disappears clearly, it is characterized in that: said first thermocouple wire (3) and the part of second thermocouple wire (4) in transverse tube (2) are respectively equipped with fiberglass pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200538909U CN202453102U (en) | 2012-02-18 | 2012-02-18 | Special temperature sensor for straw clean sterilizing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200538909U CN202453102U (en) | 2012-02-18 | 2012-02-18 | Special temperature sensor for straw clean sterilizing tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453102U true CN202453102U (en) | 2012-09-26 |
Family
ID=46868958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200538909U Expired - Fee Related CN202453102U (en) | 2012-02-18 | 2012-02-18 | Special temperature sensor for straw clean sterilizing tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453102U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592046A (en) * | 2013-10-22 | 2014-02-19 | 中国科学院力学研究所 | Integral type thermocouple |
| CN107084799A (en) * | 2017-04-20 | 2017-08-22 | 安徽春辉仪表线缆集团有限公司 | A kind of thermocouple structure that can voluntarily stretch |
| CN111595476A (en) * | 2020-05-25 | 2020-08-28 | 西安航天动力试验技术研究所 | Temperature measurement assembly for process pipeline of liquid oxygen kerosene engine test system |
-
2012
- 2012-02-18 CN CN2012200538909U patent/CN202453102U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592046A (en) * | 2013-10-22 | 2014-02-19 | 中国科学院力学研究所 | Integral type thermocouple |
| CN107084799A (en) * | 2017-04-20 | 2017-08-22 | 安徽春辉仪表线缆集团有限公司 | A kind of thermocouple structure that can voluntarily stretch |
| CN111595476A (en) * | 2020-05-25 | 2020-08-28 | 西安航天动力试验技术研究所 | Temperature measurement assembly for process pipeline of liquid oxygen kerosene engine test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20140218 |