CN212409905U - Wear-resistant thermal resistor for measuring temperature of unit tile - Google Patents
Wear-resistant thermal resistor for measuring temperature of unit tile Download PDFInfo
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- CN212409905U CN212409905U CN202021579023.XU CN202021579023U CN212409905U CN 212409905 U CN212409905 U CN 212409905U CN 202021579023 U CN202021579023 U CN 202021579023U CN 212409905 U CN212409905 U CN 212409905U
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Abstract
The utility model provides a machine group tile fragment wear-resisting thermal resistance for temperature measurement, include: the thermal resistor comprises a thin film thermal resistor, a stainless steel protection pipe, a stainless steel boss, a spring, an armored stainless steel pipe, a joint stainless steel protection pipe, a spring pipe, a polytetrafluoroethylene sheath, a thermal shrinkage pipe and a thermal resistor lead; the thin film thermal resistor is arranged in the stainless steel protective tube; one end of the thermal resistance lead is connected with the thin film thermal resistance; the other end of the thermal resistance lead sequentially penetrates through the stainless steel boss, the armored stainless steel pipe, the joint stainless steel protection pipe, the polytetrafluoroethylene sheath and the heat shrinkable tube and then is connected into a junction box. The utility model provides a pair of machine group is wear-resisting thermal resistance for tile fragment temperature measurement has good wearability, flexible nature, good insulating properties, and normal life cycle time is long to guarantee the normal demonstration of machine group tile fragment temperature, guaranteed the safe operation of unit.
Description
Technical Field
The utility model belongs to the technical field of the thermal resistance, concretely relates to wear-resisting thermal resistance is used in temperature measurement of unit tile piece.
Background
The thermal resistor for measuring the temperature of the unit block is mainly used for measuring the temperature of bearing bushes of various turbines, compressors and the like. The main using mode is as follows: the head resistor of the thermal resistor is embedded in a tile hole of the unit, a metal shielding flexible lead is used as a lead-out wire, and the other end of the metal shielding flexible lead is led out of the unit shell and then is connected to a junction box. In the prior art, the thermal resistor with the structure has the following problems: (1) the metal shielding flexible conductor erodes wearing and tearing easily in the unit, consequently, machine oil can be followed the interior seepage of metal shielding flexible conductor and flowed to the junction box, when wearing and tearing are serious, probably leads to the thermal resistance lead wire fracture even, leads to the unit tile piece temperature not normally to show, and the temperature jumps to the interlock value even, causes the unit to jump the car. (2) The thrust tile vibration frequency is high, and metal shielding flexible conductor adds the stainless steel sleeve and adopts the epoxy encapsulation with the head ohmic connection back of thermal resistance, and the epoxy hardens the back, and the very easy head resistance with the thermal resistance shakes absolutely, leads to the unit tile temperature to normally show, and the temperature jumps to the interlock value even, causes the unit to jump the car.
SUMMERY OF THE UTILITY MODEL
The defect to prior art exists, the utility model provides a wear-resisting thermal resistance is used in temperature measurement of unit tile piece can effectively solve above-mentioned problem.
The utility model adopts the technical scheme as follows:
the utility model provides a machine group tile fragment wear-resisting thermal resistance for temperature measurement, include: the device comprises a thin film thermal resistor (1), a stainless steel protection tube (2), a stainless steel boss (3), a spring (4), an armored stainless steel tube (5), a joint stainless steel protection tube (6), a spring tube (7), a polytetrafluoroethylene sheath (8), a heat shrink tube (9) and a thermal resistor lead (10);
the length and the diameter of the stainless steel protection pipe (2) are matched with the aperture of the unit tile hole; one end of the stainless steel protection pipe (2) is welded with one end of the stainless steel boss (3); the other end of the stainless steel boss (3) is welded with one end of the armored stainless steel pipe (5); the other end of the armored stainless steel pipe (5) is welded with the joint stainless steel protection pipe (6); the other end of the joint stainless steel protection pipe (6) is fixed with one end of the polytetrafluoroethylene sheath (8) in a cold pressing mode; the other end of the polytetrafluoroethylene sheath (8) and the heat shrinkable tube (9) are fixed together in a heat shrinkage mode;
the spring (4) is sleeved outside the armored stainless steel pipe (5); the spring pipe (7) is sleeved outside the polytetrafluoroethylene sheath (8), the spring pipe (7) is close to the joint stainless steel protection pipe (6), and one end of the spring pipe (7) is fixed with one end of the joint stainless steel protection pipe (6);
the thin film thermal resistor (1) is arranged in the stainless steel protection pipe (2); one end of the thermal resistance lead (10) is connected with the thin film thermal resistance (1); the other end of the thermal resistance lead (10) sequentially penetrates through the stainless steel boss (3), the armored stainless steel pipe (5), the joint stainless steel protection pipe (6), the polytetrafluoroethylene sheath (8) and the heat shrink pipe (9) and then is connected into a junction box;
insulating materials are tightly packaged in the stainless steel protection pipe (2), the stainless steel boss (3) and the armored stainless steel pipe (5); the stainless steel protective pipe (2), the stainless steel boss (3) and the armored stainless steel pipe (5) are positioned inside the unit shell; the joint stainless steel protection pipe (6), the polytetrafluoroethylene sheath (8) and the heat shrinkable tube (9) are located outside the unit shell.
Preferably, the insulating material is metal magnesium oxide.
The utility model provides a wear-resisting thermal resistance is used in unit tile fragment temperature measurement has following advantage:
the utility model provides a pair of machine group is wear-resisting thermal resistance for tile fragment temperature measurement has good wearability, flexible nature, good insulating properties, and normal life cycle time is long to guarantee the normal demonstration of machine group tile fragment temperature, guaranteed the safe operation of unit.
Drawings
FIG. 1 is a schematic structural view of a wear-resistant thermal resistor for measuring temperature of a unit tile provided by the present invention;
FIG. 2 is the assembly relationship diagram of the wear-resistant thermal resistor and the unit for measuring the temperature of the unit tile.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, the utility model provides a wear-resisting thermal resistance is used in temperature measurement of unit tile piece, include: the device comprises a film thermal resistor 1, a stainless steel protection tube 2, a stainless steel boss 3, a spring 4, an armored stainless steel tube 5, a joint stainless steel protection tube 6, a spring tube 7, a polytetrafluoroethylene sheath 8, a heat shrinkable tube 9 and a thermal resistor lead wire 10;
the length and the diameter of the stainless steel protection pipe 2 are matched with the aperture of the tile hole of the unit; one end of the stainless steel protection tube 2 is welded with one end of the stainless steel boss 3, and a laser welding mode can be adopted; the other end of the stainless steel boss 3 is welded with one end of the armored stainless steel pipe 5; the other end of the armored stainless steel pipe 5 is welded with a joint stainless steel protection pipe 6; the other end of the joint stainless steel protection pipe 6 is fixed with one end of the polytetrafluoroethylene sheath 8 in a cold pressing way; the other end of the polytetrafluoroethylene sheath 8 and the heat shrinkable tube 9 are fixed together by heat shrinkage;
a spring 4 is sleeved outside the armored stainless steel pipe 5; a spring tube 7 is sleeved outside the polytetrafluoroethylene sheath 8, the spring tube 7 is close to the joint stainless steel protection tube 6, and one end of the spring tube 7 is fixed with one end of the joint stainless steel protection tube 6;
the thin film thermal resistor 1 is arranged in the stainless steel protection pipe 2; one end of the thermal resistance lead wire 10 is connected, e.g., welded, to the thin film thermal resistance 1; the other end of the thermal resistance lead wire 10 sequentially passes through the stainless steel boss 3, the armored stainless steel pipe 5, the joint stainless steel protection pipe 6, the polytetrafluoroethylene sheath 8 and the heat-shrinkable tube 9 and then is connected into the junction box;
tightly packaging insulating materials in the stainless steel protection pipe 2, the stainless steel boss 3 and the armored stainless steel pipe 5; wherein the insulating material is metal magnesium oxide. The stainless steel protection pipe 2, the stainless steel boss 3 and the armored stainless steel pipe 5 are positioned inside the unit shell; the joint stainless steel protection pipe 6, the polytetrafluoroethylene sheath 8 and the heat shrinkable pipe 9 are positioned outside the unit shell.
As a specific implementation manner, the stainless steel protection tube 2 has an outer diameter of 2.5mm, a thickness of 0.5mm and a length of 25 mm; the outer diameter of the stainless steel boss 3 is 5 mm; the armored stainless steel pipe 5 has the outer diameter of 3mm and the length of 5975 mm; the outer diameter of the joint stainless steel protection pipe 6 is 4mm, and the length is 45 mm.
The utility model provides a pair of wear-resisting thermal resistance is used in temperature measurement of unit tile piece, its using-way is:
(1) referring to fig. 2, 11 represents a crew pad; 12 represents a tile hole; 13 represents a unit support; 14 denotes a unit housing; inserting a stainless steel protection pipe 2 into the tile hole; one end of the spring 4 is abutted against the surface of the stainless steel boss 3, and the other end of the spring is limited by a unit support on the unit; the armored stainless steel pipe 5 is positioned in the unit shell; the joint stainless steel protection tube 6, the spring tube 7, the polytetrafluoroethylene sheath 8 and the heat shrink tube 9 are positioned outside the unit shell;
(2) when the unit works, when a unit tile vibrates, the whole wear-resistant thermal resistor vibrates together, and when the whole wear-resistant thermal resistor vibrates towards the direction outside a tile hole, the spring 4 is compressed, and the buffer effect of the whole vibration of the wear-resistant thermal resistor is realized through the spring 4, so that the whole vibration amplitude of the wear-resistant thermal resistor is reduced, and the degree of abrasion of the wear-resistant thermal resistor during vibration is reduced;
(3) the stainless steel protection tube 2, the stainless steel boss 3 and the armored stainless steel tube 5 in the unit shell are made of stainless steel materials, so that the wear resistance is high, and the wear is prevented;
(4) insulating materials are tightly packaged in the stainless steel protection pipe 2, the stainless steel boss 3 and the armored stainless steel pipe 5, so that the insulating property is good, and the wear resistance is further enhanced;
(5) the armored stainless steel pipe 5 is easy to bend, strong in wear resistance and long in normal service cycle.
(6) The spring pipe 7 is sleeved at the cold-pressed joint of the joint stainless steel protection pipe 6 and the polytetrafluoroethylene sheath 8, so that the elastic support buffer device has good elastic support buffer performance, and when bending occurs, the cold-pressed joint of the joint stainless steel protection pipe 6 and the polytetrafluoroethylene sheath 8 is prevented from being abraded and broken.
The utility model provides a wear-resisting thermal resistance is used in temperature measurement of unit tile fragment installs on turbine steam turbine, centrifugal compressor axle bush tile fragment, even if thrust tile vibration frequency is high, erodees under the serious condition, does not appear temperature measuring element shake disconnected, the thermal resistance lead wire grinds off, unit tile fragment temperature can not normally show, even the temperature jumps to the interlock value, causes the unit to jump the car etc. the condition; in addition, the engine oil can not seep into the junction box from the thermal resistance lead, so that the long-period operation of the unit is ensured, and the parking accidents and loss of the unit are reduced.
Therefore, the utility model provides a pair of wear-resisting thermal resistance is used in unit tile fragment temperature measurement has good wearability, flexible nature, good insulating properties, and normal life cycle time is long to guarantee the normal demonstration of unit tile fragment temperature, guaranteed the safe operation of unit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (2)
1. The utility model provides a machine group's tile piece temperature measurement is with wear-resisting thermal resistance which characterized in that includes: the device comprises a thin film thermal resistor (1), a stainless steel protection tube (2), a stainless steel boss (3), a spring (4), an armored stainless steel tube (5), a joint stainless steel protection tube (6), a spring tube (7), a polytetrafluoroethylene sheath (8), a heat shrink tube (9) and a thermal resistor lead (10);
the length and the diameter of the stainless steel protection pipe (2) are matched with the aperture of the unit tile hole; one end of the stainless steel protection pipe (2) is welded with one end of the stainless steel boss (3); the other end of the stainless steel boss (3) is welded with one end of the armored stainless steel pipe (5); the other end of the armored stainless steel pipe (5) is welded with the joint stainless steel protection pipe (6); the other end of the joint stainless steel protection pipe (6) is fixed with one end of the polytetrafluoroethylene sheath (8) in a cold pressing mode; the other end of the polytetrafluoroethylene sheath (8) and the heat shrinkable tube (9) are fixed together in a heat shrinkage mode;
the spring (4) is sleeved outside the armored stainless steel pipe (5); the spring pipe (7) is sleeved outside the polytetrafluoroethylene sheath (8), the spring pipe (7) is close to the joint stainless steel protection pipe (6), and one end of the spring pipe (7) is fixed with one end of the joint stainless steel protection pipe (6);
the thin film thermal resistor (1) is arranged in the stainless steel protection pipe (2); one end of the thermal resistance lead (10) is connected with the thin film thermal resistance (1); the other end of the thermal resistance lead (10) sequentially penetrates through the stainless steel boss (3), the armored stainless steel pipe (5), the joint stainless steel protection pipe (6), the polytetrafluoroethylene sheath (8) and the heat shrink pipe (9) and then is connected into a junction box;
insulating materials are tightly packaged in the stainless steel protection pipe (2), the stainless steel boss (3) and the armored stainless steel pipe (5); the stainless steel protective pipe (2), the stainless steel boss (3) and the armored stainless steel pipe (5) are positioned inside the unit shell; the joint stainless steel protection pipe (6), the polytetrafluoroethylene sheath (8) and the heat shrinkable tube (9) are located outside the unit shell.
2. The wear-resistant thermal resistor for measuring temperature of a unit block according to claim 1, wherein the insulating material is magnesium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021579023.XU CN212409905U (en) | 2020-08-03 | 2020-08-03 | Wear-resistant thermal resistor for measuring temperature of unit tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021579023.XU CN212409905U (en) | 2020-08-03 | 2020-08-03 | Wear-resistant thermal resistor for measuring temperature of unit tile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409905U true CN212409905U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021579023.XU Active CN212409905U (en) | 2020-08-03 | 2020-08-03 | Wear-resistant thermal resistor for measuring temperature of unit tile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212409905U (en) |
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2020
- 2020-08-03 CN CN202021579023.XU patent/CN212409905U/en active Active
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Address after: 277527 Mushi Town, Tengzhou City, Zaozhuang City, Shandong Province (resident) Patentee after: Lianhong (Shandong) Chemical Co.,Ltd. Address before: 277527 Mushi Town, Tengzhou City, Zaozhuang City, Shandong Province (resident) Patentee before: XINNENG FENGHUANG (TENGZHOU) ENERGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |