CN210464717U - High-sealing platinum resistor temperature sensor - Google Patents
High-sealing platinum resistor temperature sensor Download PDFInfo
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- CN210464717U CN210464717U CN201921356865.6U CN201921356865U CN210464717U CN 210464717 U CN210464717 U CN 210464717U CN 201921356865 U CN201921356865 U CN 201921356865U CN 210464717 U CN210464717 U CN 210464717U
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- platinum resistance
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- temperature sensor
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Abstract
The utility model discloses a high sealed platinum resistance temperature sensor, including metal pillar and platinum resistance sensing line, the inside packing of metal pillar has sealing resin, and sealing resin's middle part runs through there is signal transmission cable, platinum resistance sensing line is connected in signal transmission cable's lower extreme, the outside nestification of metal pillar has the adjusting collar, both ends all are provided with the stopper about the inner wall of mounting hole, the lower extreme of adjusting collar is connected with the upper end that shelters from a section of thick bamboo, the upper end of metal pillar is fixed with the take-up rod, and the outside threaded connection who receives the take-up rod installs the protection casing. This high sealed platinum resistance temperature sensor can effectually protect the metal pillar, has avoided the metal pillar because of the collision friction is impaired to guaranteed platinum resistance sensing line testing result's accuracy, and can effectually accomodate signal transmission cable, avoided signal transmission cable because of dragging cracked phenomenon.
Description
Technical Field
The utility model relates to a platinum resistance temperature sensor technical field specifically is a high sealed platinum resistance temperature sensor.
Background
The temperature sensor is a device capable of converting temperature into an output signal, and can be generally divided into a thermal resistor and a thermocouple, the platinum resistance temperature sensor is a commonly used temperature sensor, and the currently used platinum resistance temperature sensor ensures that the platinum resistance temperature sensor has good sealing performance by a sealing structure formed by sealing a heat-conducting insulating resin and a high-temperature-resistant resin adhesive sealing layer, but the currently used high-sealing platinum resistance temperature sensor still has defects;
for example the high sealed platinum resistance temperature sensor who uses at present can not protect the metal pillar, leads to the metal pillar because of the collision friction is impaired, has influenced platinum resistance sensing line testing result's accuracy, and can not effectual accomodating signal transmission cable, leads to signal transmission cable to appear dragging cracked phenomenon easily, consequently, the utility model provides a high sealed platinum resistance temperature sensor to solve the above-mentioned problem of proposing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high sealed platinum resistance temperature sensor to the high sealed platinum resistance temperature sensor who provides in solving above-mentioned background art and be used at present can not protect the metal pillar, leads to the metal pillar because of the collision friction is impaired, has influenced platinum resistance sensing line testing result's accuracy, and can not effectual accomodate signal transmission cable, leads to signal transmission cable to handle the problem of dragging cracked phenomenon easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high sealed platinum resistance temperature sensor, includes metal pillar and platinum resistance sensing line, the inside packing of metal pillar has sealing resin, and sealing resin's middle part runs through there is the signal transmission cable, platinum resistance sensing line connects in the lower extreme of signal transmission cable, the outside nestification of metal pillar has the adjusting collar, and the left and right sides of adjusting collar all reserves the mounting hole, both ends all are provided with the stopper about the inner wall of mounting hole, the lower extreme of adjusting collar is connected with the upper end of sheltering from a section of thick bamboo, and the lower extreme of sheltering from a section of thick bamboo is connected with the alignment jig, the upper end of metal pillar is fixed with receives the line pole, and receives the outside threaded connection of line pole and install the protection casing to the lower extreme external fixation of receiving the line pole has the shielding plate.
Preferably, the signal transmission cable is wound outside the wire collecting rod on the upper side of the shielding plate, the outer diameter of the shielding plate is equal to the inner diameter of the protective cover, and the vertical section of the wire collecting rod is of a T-shaped structure.
Preferably, the shielding cylinder is of a telescopic structure and is positioned on the outer side of the metal protecting pipe, and the metal protecting pipe is in threaded connection with the adjusting sleeve.
Preferably, the adjusting frame comprises a bottom plate, a through hole, an adjusting rod and a limiting hole, the through hole is formed in the middle of the bottom plate, the adjusting rod is welded and fixed to the upper surface of the bottom plate, and the limiting hole is reserved in the outgoing surface of the adjusting rod.
Preferably, the adjusting rods are symmetrically arranged relative to the center of the bottom plate, the adjusting rods and the mounting holes are arranged in a one-to-one correspondence mode, and the adjusting rods are clamped in the mounting holes.
Preferably, the spacing holes are equidistantly arranged on the adjusting rod, the spacing holes are connected with the limiting blocks in a clamping mode, the limiting blocks are of curved surface structures, and meanwhile the limiting blocks are of elastic structures.
Compared with the prior art, the beneficial effects of the utility model are that: the high-sealing platinum resistor temperature sensor can effectively protect the metal protective pipe, and avoids the damage of the metal protective pipe due to collision and friction, so that the accuracy of a detection result of a platinum resistor sensing line is ensured, a signal transmission cable can be effectively stored, and the phenomenon that the signal transmission cable is broken due to pulling is avoided;
1. the position of the bottom plate is convenient to adjust through a sliding structure formed by the adjusting rod and the mounting hole, so that the shielding cylinder is convenient to wrap the metal protective pipe, the metal protective pipe is effectively prevented from being damaged due to collision and friction, and the accuracy of a detection result of the platinum resistance sensing line is ensured;
2. through the threaded connection between the protective cover and the wire take-up rod and the action of the shielding plate, a closed space can be formed for the part of the wire take-up rod wound with the signal transmission cable, so that the signal transmission cable is convenient to store, and the safety of the signal transmission cable is ensured;
3. through threaded connection between adjusting sleeve and the metal protecting pipe, the length of the metal protecting pipe below the adjusting sleeve is convenient to adjust, and therefore the depth of action of the temperature sensor is convenient to adjust, and the temperature sensor is convenient to use.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the protective cover and the take-up rod of the present invention;
FIG. 3 is a schematic view of the top-view cross-sectional structure of the shielding cylinder connected to the bottom plate;
fig. 4 is the overall structure schematic diagram of the adjusting bracket of the present invention.
In the figure: 1. a metal protective tube; 2. a sealing resin; 3. a signal transmission cable; 4. a platinum resistance sense line; 5. an adjusting sleeve; 6. mounting holes; 7. a limiting block; 8. a shielding cylinder; 9. an adjusting bracket; 901. a base plate; 902. a through hole; 903. adjusting a rod; 904. a limiting hole; 10. a wire take-up rod; 11. a protective cover; 12. a shielding plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-sealing platinum resistance temperature sensor comprises a metal protective tube 1, sealing resin 2, a signal transmission cable 3, a platinum resistance sensing wire 4, an adjusting sleeve 5, a mounting hole 6, a limiting block 7, a shielding cylinder 8, an adjusting frame 9, a wire take-up rod 10, a protective cover 11 and a shielding plate 12, wherein the sealing resin 2 is filled in the metal protective tube 1, the signal transmission cable 3 penetrates through the middle of the sealing resin 2, the platinum resistance sensing wire 4 is connected with the lower end of the signal transmission cable 3, the adjusting sleeve 5 is nested outside the metal protective tube 1, the mounting hole 6 is reserved on the left side and the right side of the adjusting sleeve 5, the limiting blocks 7 are arranged at the upper end and the lower end of the inner wall of the mounting hole 6, the lower end of the adjusting sleeve 5 is connected with the upper end of the shielding cylinder 8, the lower end of the shielding cylinder 8 is connected with the adjusting frame 9, the adjusting frame 9 comprises a bottom plate 901, a through hole, an adjusting rod 903 and a limiting, an adjusting rod 903 is fixedly welded to the upper surface of the bottom plate 901, a limiting hole 904 is reserved on the outgoing surface of the adjusting rod 903, a wire take-up rod 10 is fixed to the upper end of the metal protective tube 1, a protective cover 11 is installed on the outer portion of the wire take-up rod 10 in a threaded connection mode, and a shielding plate 12 is fixed to the outer portion of the lower end of the wire take-up rod 10;
as shown in fig. 1 and 2, the signal transmission cable 3 is wound outside the wire take-up rod 10 on the upper side of the shielding plate 12, the outer diameter of the shielding plate 12 is equal to the inner diameter of the protective cover 11, and the vertical section of the wire take-up rod 10 is of a "T" shaped structure, so that the signal transmission cable 3 can be conveniently stored, as shown in fig. 1 and 3, the shielding cylinder 8 is of a telescopic structure, the shielding cylinder 8 is located on the outer side of the metal protective tube 1, and the metal protective tube 1 is in threaded connection with the adjusting sleeve 5, so that the position of the adjusting sleeve 5 can be conveniently adjusted;
adjust pole 903 about the central symmetry setting of bottom plate 901 as in fig. 1 and fig. 4, and adjust pole 903 and be the one-to-one setting with mounting hole 6, and adjust the inside of pole 903 block and mounting hole 6, guaranteed to adjust the gliding stability of pole 903, spacing hole 904 is equidistant on adjusting pole 903, and spacing hole 904 is connected with stopper 7 block, and stopper 7 is curved surface structure, and stopper 7 is elastic construction simultaneously, has made things convenient for the fixed of adjusting the pole 903 position.
The working principle is as follows: when the high-sealing platinum resistance temperature sensor is used, as shown in the attached drawing 1, the position depth is detected according to the requirement, the adjusting sleeve 5 in threaded connection with the metal protective pipe 1 is rotated, the position of the adjusting sleeve 5 is adjusted, the reserved position at the lower end of the metal protective pipe 1 is adjusted, the positions of different depths are conveniently detected, the operation is convenient, and then the signal transmission cable 3 is communicated with an external power supply, so that the detection operation can be carried out;
after the use, the signal transmission cable 3 is disconnected from the external power supply, as shown in fig. 1 and 2, the signal transmission cable 3 is wound outside the wire take-up rod 10, the protective cover 11 in threaded connection with the wire take-up rod 10 is rotated, so that the lower end of the protective cover 11 is nested outside the shielding plate 12, the storage of the signal transmission cable 3 can be completed, the safety of the signal transmission cable 3 is ensured, then, as shown in fig. 1 and fig. 4, the adjusting rod 903 is slid in the mounting hole 6, the bottom plate 901 drives the shielding cylinder 8 to descend, and the fastening connection between the limiting block 7 and the limiting hole 904 is matched to complete the fixation of the position of the bottom plate 901, therefore, the shielding cylinder 8 is wrapped outside the metal protection pipe 1, the problem that the surface of the metal protection pipe 1 is damaged due to collision and friction is solved, and the safety of the high-sealing platinum resistance temperature sensor during keeping is ensured, namely the use method of the high-sealing platinum resistance temperature sensor.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.
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 (6)
1. The utility model provides a high sealed platinum resistance temperature sensor, includes metal pillar (1) and platinum resistance sensing wire (4), its characterized in that: the interior of the metal protective tube (1) is filled with sealing resin (2), a signal transmission cable (3) penetrates through the middle part of the sealing resin (2), the platinum resistance sensing wire (4) is connected with the lower end of the signal transmission cable (3), the adjusting sleeve (5) is nested outside the metal protective tube (1), mounting holes (6) are reserved on the left side and the right side of the adjusting sleeve (5), limiting blocks (7) are arranged at the upper end and the lower end of the inner wall of each mounting hole (6), the lower end of the adjusting sleeve (5) is connected with the upper end of a shielding cylinder (8), the lower end of the shielding cylinder (8) is connected with an adjusting frame (9), the upper end of the metal protective tube (1) is fixed with a wire take-up rod (10), and the external thread of the wire take-up rod (10) is connected with a protective cover (11), and a shielding plate (12) is fixed outside the lower end of the wire take-up rod (10).
2. The high seal platinum resistance temperature sensor according to claim 1, wherein: the signal transmission cable (3) is wound outside the wire collecting rod (10) on the upper side of the shielding plate (12), the outer diameter of the shielding plate (12) is equal to the inner diameter of the protective cover (11), and the vertical section of the wire collecting rod (10) is of a T-shaped structure.
3. The high seal platinum resistance temperature sensor according to claim 1, wherein: the shielding cylinder (8) is of a telescopic structure, the shielding cylinder (8) is located on the outer side of the metal protection pipe (1), and the metal protection pipe (1) is in threaded connection with the adjusting sleeve (5).
4. The high seal platinum resistance temperature sensor according to claim 1, wherein: the adjusting frame (9) comprises a bottom plate (901), a through hole (902), an adjusting rod (903) and a limiting hole (904), the through hole (902) is formed in the middle of the bottom plate (901), the adjusting rod (903) is fixed to the upper surface of the bottom plate (901) in a welded mode, and the limiting hole (904) is reserved on the outgoing surface of the adjusting rod (903).
5. The high seal platinum resistance temperature sensor according to claim 4, wherein: the adjusting rods (903) are symmetrically arranged relative to the center of the bottom plate (901), the adjusting rods (903) are arranged in one-to-one correspondence with the mounting holes (6), and the adjusting rods (903) are clamped in the mounting holes (6).
6. The high seal platinum resistance temperature sensor according to claim 4, wherein: spacing hole (904) is equidistant on adjusting pole (903), and spacing hole (904) and stopper (7) block are connected to stopper (7) are the curved surface structure, and stopper (7) are elastic construction simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356865.6U CN210464717U (en) | 2019-08-21 | 2019-08-21 | High-sealing platinum resistor temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356865.6U CN210464717U (en) | 2019-08-21 | 2019-08-21 | High-sealing platinum resistor temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464717U true CN210464717U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921356865.6U Active CN210464717U (en) | 2019-08-21 | 2019-08-21 | High-sealing platinum resistor temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210464717U (en) |
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2019
- 2019-08-21 CN CN201921356865.6U patent/CN210464717U/en active Active
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