CN217006138U - Fiber grating temperature sensor probe with built-in heat-conducting liquid - Google Patents
Fiber grating temperature sensor probe with built-in heat-conducting liquid Download PDFInfo
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- CN217006138U CN217006138U CN202220548242.4U CN202220548242U CN217006138U CN 217006138 U CN217006138 U CN 217006138U CN 202220548242 U CN202220548242 U CN 202220548242U CN 217006138 U CN217006138 U CN 217006138U
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Abstract
The utility model relates to a temperature sensor's technical field discloses fiber grating temperature sensor probe of built-in heat conduction liquid, including leading temperature portion and the installation department of setting at leading temperature portion both ends, the inside of leading temperature portion is provided with the heat conduction cavity, the inside of heat conduction cavity is provided with temperature sensitive fiber grating sensor component, the inside packing of heat conduction cavity has heat conduction liquid, the outside of heat conduction cavity is provided with the heat conduction runner, the side through at the heat conduction cavity has set up the heat conduction runner, the shell of leading temperature portion conducts outside heat to the inside heat conduction liquid of heat conduction cavity after, heat conduction liquid can mix the heat conduction liquid of both sides through the heat conduction runner, later make things convenient for inside temperature sensitive fiber grating sensor component to detect the temperature of heat conduction liquid.
Description
Technical Field
The utility model relates to a temperature sensor's technical field particularly, relates to the fiber grating temperature sensor probe of built-in heat-conducting liquid.
Background
The fiber grating temperature sensor utilizes a non-metallization packaging process, has the characteristics of heat conduction and high strength, and has the advantages of compact structure, small volume, convenience in arrangement, electromagnetic interference resistance, high precision, good durability, surface adhesion, arrangement inside equipment and the like. A brand-new effective solution is provided for temperature monitoring in the power industry, the sensor is suitable for occasions sensitive to electric sparks, such as fire fighting, electric power and the like, and the defects of the traditional electric quantity sensor are overcome. In order to improve the detection precision of the temperature sensor, heat-conducting liquid is arranged in the temperature sensor so as to ensure that the temperature detected by the temperature sensor is accurate.
When the temperature of heat conduction liquid with the temperature sensing shell conducts to temperature sensitive fiber grating sensor component upper end, the difference in temperature appears easily in the temperature of heat conduction liquid both sides, and the heat conduction liquid can't carry out the flash mixed, and the temperature is uneven, influences measuring result's accuracy, if the long-time use of heat conduction liquid inner wall leads to the solid to appear simultaneously, also can influence measuring result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fiber grating temperature sensor probe of built-in heat-conducting liquid aims at solving among the prior art inconvenient and carries out the flash mixed with heat-conducting liquid, leads to heat-conducting liquid temperature inequality, influences the problem of temperature sensitive fiber grating sensor element's testing result.
The fiber bragg grating temperature sensor probe with the built-in heat-conducting liquid comprises a heat-conducting part and mounting parts arranged at two ends of the heat-conducting part, connecting wires are arranged at two sides of the mounting parts, and a pressurizing part is arranged inside the mounting part at one side;
the temperature-sensing fiber bragg grating sensor is characterized in that a heat-conducting cavity is arranged inside the heat-conducting part, a temperature-sensitive fiber bragg grating sensor element is arranged inside the heat-conducting cavity, heat-conducting liquid is filled inside the heat-conducting cavity, and a heat-conducting flow channel is arranged outside the heat-conducting cavity.
Preferably, two sides of the temperature-sensitive fiber grating sensor element are respectively provided with a transmission fiber, and the transmission fibers are arranged inside the connecting wire.
Preferably, the heat conduction flow channels are provided with eight groups and are uniformly distributed around the heat conduction cavity, an opening at one end of each heat conduction flow channel is arranged at one end of the heat conduction cavity, and an opening at the other end of each heat conduction flow channel is arranged at the front end of the boosting part.
Preferably, the heat conduction flow channel is internally provided with a movably mounted scraping part, and the scraping part is mounted close to the inner wall of the heat conduction flow channel.
Preferably, pressure boost portion is including removing the push pedal and setting up the telescopic link in removal push pedal one side, and one side of telescopic link is provided with spacing fastener, and one side of telescopic link is provided with the rotary rod, and the one end of rotary rod is provided with the slope snap ring, and slope snap ring movable mounting is in the inside of spacing fastener, and the other end of rotary rod is provided with micro motor.
Preferably, one end of the limiting clamping piece is provided with a movable wheel, and the movable wheel is attached to the inclined clamping ring.
Preferably, the edge of the movable push plate is attached to the inner wall of the heat conducting cavity.
Preferably, the scraping part comprises a movable ring and connecting rods arranged on two sides of the movable ring, and the movable ring is fixedly connected with the connecting rods.
Preferably, one end of the connecting rod is provided with a driving rod, and the driving rod is fixedly installed on one side of the movable push plate.
Preferably, the movable ring is provided with five groups, and two sides of the movable ring are arranged in an inclined manner.
Compared with the prior art, the utility model provides a fiber grating temperature sensor probe of built-in heat conduction liquid has set up the heat conduction runner in the side of heat conduction cavity, behind the heat conduction shell of leading the temperature portion with outside heat conduction to the inside heat conduction liquid of heat conduction cavity, the heat conduction liquid can mix the heat conduction liquid of both sides through the heat conduction runner, later make things convenient for inside temperature sensitive fiber grating sensor component to detect the temperature of heat conduction liquid, make the inside temperature misce bene of heat conduction liquid, improve temperature sensitive fiber grating sensor component's detection precision.
Drawings
FIG. 1 is a schematic diagram of the overall structure provided by the present application;
FIG. 2 is a schematic view of an overall cross-sectional structure provided by the present application;
FIG. 3 is a schematic cross-sectional view of a thermally conductive cavity provided by the present invention;
FIG. 4 is a schematic view of a pressurizing unit according to the present invention;
fig. 5 is a schematic structural view of the scraping portion provided in the present application.
In the figure: 1. a temperature conduction part; 11. a thermally conductive cavity; 12. a temperature sensitive fiber grating sensor element; 13. a transmission optical fiber; 14. a heat conducting flow channel; 15. a scraping part; 151. a movable ring; 152. a connecting rod; 153. a drive rod; 2. an installation part; 3. a connecting wire; 4. a pressurization part; 41. moving the push plate; 42. a telescopic rod; 43. a limiting clamping piece; 44. rotating the rod; 45. inclining the snap ring; 46. a micro motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
With reference to fig. 1-2, the fiber grating temperature sensor probe with a built-in heat conducting liquid of the present invention includes a heat conducting portion 1 and mounting portions 2 disposed at two ends of the heat conducting portion 1, wherein two sides of the mounting portions 2 are provided with connecting wires 3, and a pressurizing portion 4 is disposed inside the mounting portion 2 at one side.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
Example 1:
referring to fig. 1-3, a heat conducting cavity 11 is disposed inside the heat conducting portion 1, a temperature sensitive fiber grating sensor element 12 is disposed inside the heat conducting cavity 11, transmission fibers 13 are disposed on two sides of the temperature sensitive fiber grating sensor element 12, the transmission fibers 13 are disposed inside the connecting wire 3, heat conducting liquid is filled inside the heat conducting cavity 11, heat conducting flow channels 14 are disposed outside the heat conducting cavity 11, the heat conducting flow channels 14 are eight groups and are uniformly distributed around the heat conducting cavity 11, an opening at one end of each heat conducting flow channel 14 is disposed at one end of the heat conducting cavity 11, and an opening at the other end of each heat conducting flow channel 14 is disposed at the front end of the pressurizing portion 4.
The working principle is as follows: the side face of the heat conduction cavity 11 is provided with the heat conduction flow channel 14, after the heat conduction shell of the heat conduction part 1 conducts external heat to the heat conduction liquid in the heat conduction cavity 11, the heat conduction liquid can mix the heat conduction liquid on two sides through the heat conduction flow channel 14, then the temperature of the heat conduction liquid can be conveniently detected by the temperature-sensitive fiber grating sensor element 12 in the heat conduction part, the temperature in the heat conduction liquid is uniformly mixed, and the detection precision of the temperature-sensitive fiber grating sensor element 12 is improved.
Example 2:
referring to fig. 4, pressurizing unit 4 includes moving push plate 41 and telescopic link 42 arranged on one side of moving push plate 41, the inner wall of edge-attached heat conducting cavity 11 of moving push plate 41 is installed, one side of telescopic link 42 is provided with limiting clamping piece 43, one side of telescopic link 42 is provided with rotary rod 44, one end of rotary rod 44 is provided with slope clamping ring 45, slope clamping ring 45 is movably installed in limiting clamping piece 43, one end of limiting clamping piece 43 is provided with the movable wheel, the installation of movable wheel-attached slope clamping ring 45, the other end of rotary rod 44 is provided with micro motor 46.
The working principle is as follows: when the temperature sensor probe feels the temperature rise, the work of micro motor 46, and then drive the rotary rod 44 and rotate, slope snap ring 45 rotates, and then the telescopic link 42 that drives installation spacing fastener 43 moves, and then the removal push pedal 41 that drives one end carries out reciprocating motion, and then carry out pressure boost or decompression to the heat conduction liquid of heat conduction cavity 11 inside, can extrude the heat conduction liquid, make the velocity of flow of heat conduction liquid accelerate, the convenient faster temperature that detects out the heat conduction liquid, reduce the data difference of each temperature sensitive fiber grating sensor component 12.
Example 3:
referring to fig. 5, a movably installed scraping portion 15 is further disposed inside the heat conducting flow channel 14, and the scraping portion 15 is installed to be close to the inner wall of the heat conducting flow channel 14.
The working principle is as follows: when removing push pedal 41 and removing, remove push pedal 41 and drive movable ring 151 through actuating lever 153 and remove, movable ring 151 scrapes the material to 11 inner walls of heat conduction cavity, avoids when long-time use temperature sensor probe, and 11 inner walls of heat conduction cavity have the solid adhesion, and the heat conduction of temperature-dependent heat conduction liquid is influenced, and then the influence detects the precision.
In summary, the following steps: the utility model relates to a fiber grating temperature sensor probe with built-in heat-conducting liquid, wherein a heat-conducting flow channel 14 is arranged on the side surface of a heat-conducting cavity 11, after a heat-conducting shell of a heat-conducting part 1 conducts external heat to the heat-conducting liquid in the heat-conducting cavity 11, the heat-conducting liquid can mix the heat-conducting liquids on two sides through the heat-conducting flow channel 14, and then the temperature of the heat-conducting liquid is conveniently detected by a temperature-sensitive fiber grating sensor element 12 in the heat-conducting part, so that the temperature in the heat-conducting liquid is uniformly mixed, the detection precision of the temperature-sensitive fiber grating sensor element 12 is improved, when the temperature sensor probe feels temperature rise, a micro motor 46 works to drive a rotating rod 44 to rotate, an inclined clamping ring 45 rotates to drive a telescopic rod 42 provided with a limit clamping piece 43 to move, and further drive a moving push plate 41 at one end to reciprocate, so as to pressurize or decompress the heat-conducting liquid in the heat-conducting cavity 11, can extrude heat-conducting liquid, make the velocity of flow of heat-conducting liquid accelerate, convenient faster temperature that detects out heat-conducting liquid, reduce the data difference of each temperature sensitive fiber grating sensor component 12, when removing push pedal 41 and remove, it removes to remove push pedal 41 and drive loose ring 151 through actuating lever 153, loose ring 151 scrapes the material to 11 inner walls of heat conduction cavity, avoid when long-time use temperature sensor probe, 11 inner walls of heat conduction cavity have solid adhesion, influence the conduction of temperature to heat conduction liquid, and then influence the detection precision.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplicity of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and it is possible for one of ordinary skill in the art to understand the specific meaning of the above terms according to the specific situation.
The present invention is not intended to be limited to the particular embodiments shown and described, and all changes, equivalents and modifications that come within the spirit and scope of the utility model are desired to be protected.
Claims (10)
1. Built-in fiber grating temperature sensor probe of heat-conducting liquid, including leading temperature portion and setting up the installation department at leading temperature portion both ends, its characterized in that: connecting wires are arranged on two sides of the mounting part, and a boosting part is arranged in the mounting part on one side;
the temperature-sensing fiber bragg grating sensor is characterized in that a heat-conducting cavity is arranged inside the heat-conducting part, a temperature-sensitive fiber bragg grating sensor element is arranged inside the heat-conducting cavity, heat-conducting liquid is filled inside the heat-conducting cavity, and a heat-conducting flow channel is arranged outside the heat-conducting cavity.
2. The fiber grating temperature sensor probe with a built-in heat-conducting liquid according to claim 1, wherein: and transmission optical fibers are respectively arranged on two sides of the temperature-sensitive fiber grating sensor element and are arranged in the connecting wire.
3. The fiber grating temperature sensor probe with the built-in heat-conducting liquid as claimed in claim 2, wherein: eight groups of heat conduction flow channels are arranged and evenly distributed around the heat conduction cavity, an opening at one end of each heat conduction flow channel is arranged at one end of the heat conduction cavity, and an opening at the other end of each heat conduction flow channel is arranged at the front end of the boosting portion.
4. The fiber grating temperature sensor probe with a built-in heat-conducting liquid according to claim 3, wherein: the inside of heat conduction runner still is provided with movably mounted scrapes the material portion, scrapes the material portion and pastes the heat conduction runner inner wall installation tightly.
5. The fiber grating temperature sensor probe with a built-in heat-conducting liquid according to claim 4, wherein: pressurization portion is including removing the push pedal and setting up the telescopic link in removal push pedal one side, and one side of telescopic link is provided with spacing fastener, and one side of telescopic link is provided with the rotary rod, and the one end of rotary rod is provided with the slope snap ring, and slope snap ring movable mounting is in the inside of spacing fastener, and the other end of rotary rod is provided with micro motor.
6. The fiber grating temperature sensor probe with a built-in heat-conducting liquid according to claim 5, wherein: one end of the limiting clamping piece is provided with a movable wheel, and the movable wheel is attached to the inclined clamping ring for installation.
7. The fiber grating temperature sensor probe with a built-in heat-conducting liquid according to claim 6, wherein: the edge of the movable push plate is attached to the inner wall of the heat conducting cavity.
8. The fiber grating temperature sensor probe with a built-in heat-conducting liquid of claim 7, wherein: the scraping part comprises a movable ring and connecting rods arranged on two sides of the movable ring, and the movable ring is fixedly connected with the connecting rods.
9. The fiber grating temperature sensor probe with a built-in heat-conducting liquid of claim 8, wherein: one end of the connecting rod is provided with a driving rod, and the driving rod is fixedly arranged on one side of the movable push plate.
10. The fiber grating temperature sensor probe with a built-in heat-conducting liquid of claim 9, wherein: five groups of movable rings are arranged, and two sides of each movable ring are arranged in an inclined manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220548242.4U CN217006138U (en) | 2022-03-14 | 2022-03-14 | Fiber grating temperature sensor probe with built-in heat-conducting liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220548242.4U CN217006138U (en) | 2022-03-14 | 2022-03-14 | Fiber grating temperature sensor probe with built-in heat-conducting liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006138U true CN217006138U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220548242.4U Active CN217006138U (en) | 2022-03-14 | 2022-03-14 | Fiber grating temperature sensor probe with built-in heat-conducting liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217006138U (en) |
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2022
- 2022-03-14 CN CN202220548242.4U patent/CN217006138U/en active Active
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