CN221302234U - Low-temperature-resistant performance detection device of fiber bragg grating sensor - Google Patents
Low-temperature-resistant performance detection device of fiber bragg grating sensor Download PDFInfo
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- CN221302234U CN221302234U CN202323092754.8U CN202323092754U CN221302234U CN 221302234 U CN221302234 U CN 221302234U CN 202323092754 U CN202323092754 U CN 202323092754U CN 221302234 U CN221302234 U CN 221302234U
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Abstract
The utility model discloses a fiber bragg grating sensor low temperature resistance detection device which comprises a frame, wherein a top frame and a cooling liquid tank are fixedly arranged at the top of the frame, a water pump is fixedly arranged on the top frame, a bearing frame is fixedly arranged at the bottom of the top frame, a water inlet of the top frame is fixedly connected with a water inlet pipe extending to the inside of the cooling liquid tank, a water outlet is fixedly connected with a spray head arranged on the bearing frame, two sliding rails are fixedly arranged at the top of the frame, a workbench is arranged above the sliding rails, and sliding blocks which are in sliding clamping connection with the sliding rails are connected at the bottoms of the two ends of the workbench.
Description
Technical Field
The utility model relates to the technical field of sensor performance detection devices, in particular to a low-temperature resistance detection device of a fiber bragg grating sensor.
Background
The fiber bragg grating displacement sensor is generally used for measuring occasions of large-scale structural engineering, such as displacement monitoring of bridges, dams and large-scale steel structures, and after the fiber bragg grating displacement sensor is processed, low-temperature resistance detection is needed to be carried out on the fiber bragg grating displacement sensor so as to judge whether the performance of the fiber bragg grating displacement sensor is stable, for example, a low-temperature sensor testing device under a vacuum environment is disclosed in patent CN 202221996891.7.
The following defects and disadvantages exist in the implementation process: at present, the existing incubator can only test the performance of a sensor when a cooling medium is static, and cannot test the low-temperature performance of the sensor which works in flowing liquid, so that the test requirements of different sensors cannot be met better, and therefore, the fiber bragg grating sensor low-temperature resistance detection device is provided.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a low-temperature resistance detection device of a fiber grating sensor, which solves the problem that the existing constant temperature box of the existing low-temperature performance detection device can only test the performance of the sensor when a cooling medium is static, and can not test the low-temperature performance of the sensor working in flowing liquid.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a fiber bragg grating sensor low temperature resistance performance detection device, includes the frame, frame top fixed mounting has roof-rack and cooling liquid tank, fixed mounting has the water pump on the roof-rack, roof-rack bottom fixed mounting has the bearing frame, the water inlet fixedly connected with of roof-rack extends to the inside inlet tube of cooling liquid tank, delivery port fixedly connected with installs the shower nozzle on the bearing frame, frame top fixed mounting has two slide rails, the top of slide rail is provided with the workstation, the both ends bottom of workstation is connected with the slider of slip joint on the slide rail, a plurality of changeing the roller is installed in the workstation top rotation, place open-top's insulation can on the changeing the roller, install the standing groove that is used for placing fiber bragg grating sensor in the insulation can, insulation can inner wall mounting has temperature sensor, the both sides of workstation are provided with the mount of installing in the frame respectively, be provided with the push pedal mechanism that promotes insulation can horizontal migration on the mount, fixed mounting has the controller that carries out control to device electric power part in the frame.
Preferably, a handle is fixedly arranged at one end of the workbench.
Preferably, the cooling liquid tank is provided with a liquid inlet.
Preferably, the number of the spray heads is multiple, and the water outlets of the spray heads are opposite to the heat insulation box.
Preferably, a plurality of rotating rollers are distributed on the workbench at equal intervals, and two ends of each rotating roller are respectively connected with the workbench in a rotating way through bearings.
Preferably, the pushing plate mechanism comprises a cylinder fixedly arranged on the fixing frame, a piston rod is arranged at the output end of the cylinder, and one end of the piston rod is fixedly connected with a pushing plate.
Preferably, the signal output end of the temperature sensor is connected with the signal input end of the controller.
Advantageous effects
The utility model provides a low temperature resistance detection device of a fiber bragg grating sensor. Compared with the prior art, the method has the following beneficial effects:
1. This fiber bragg grating sensor low temperature resistance performance detection device installs two slide rails on the frame, thereby set up the workstation on the slide rail, thereby the workstation is through bottom slider slidable joint on the slide rail round trip to slide, the insulation can has been placed on the workstation, the overhead frame of frame-mounting, the cooling liquid tank, the overhead frame-mounting water pump, the bearing frame, thereby fiber bragg grating sensor is placed and is manually pushed to the bearing frame below after the insulation can is inside, start the water pump and can be with cooling liquid tank inside coolant liquid extraction to insulation can inside carry out low temperature performance detection to fiber bragg grating sensor, and reasonable in design can improve efficiency of software testing and reliability, can improve the degree of convenience of using.
2. This fiber bragg grating sensor's low temperature resistance performance detection device rotates a plurality of commentaries on classics rollers of installation on the workstation, place the insulation can on the commentaries on classics roller, the mount is installed respectively to the workstation both sides, mount installation push pedal mechanism on the mount, push pedal mechanism includes cylinder, piston rod etc. to start the cylinder and drive the flexible push pedal of piston rod and push away the ability to make the insulation can carry out horizontal migration on the commentaries on classics roller, thereby make the commentaries on classics roller in coolant liquid be the mobile state, be applicable to the low temperature test of the sensor that works in the mobile liquid, satisfy the test demand of sensor under different environment, can practice thrift use cost, improve efficiency of software testing and reliability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of the present utility model;
fig. 3 is a schematic diagram of a front view structure of the present utility model.
In the figure: 1. a frame; 2. a top frame; 3. a cooling liquid tank; 31. a liquid inlet; 4. a water pump; 5. a bearing frame; 6. a water inlet pipe; 7. a slide rail; 8. a work table; 9. a slide block; 10. a handle; 11. a rotating roller; 12. a fixing frame; 13. a push plate mechanism; 131. a cylinder; 132. a piston rod; 133. a push plate; 14. an insulation box; 15. a placement groove; 16. a temperature sensor; 17. a controller; 18. a spray head.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides two technical schemes:
Embodiment one:
The utility model provides a fiber grating sensor low temperature resistance performance detection device, which comprises a frame 1, frame 1 top fixed mounting has roof-rack 2 and cooling liquid tank 3, fixedly mounted has water pump 4 on roof-rack 2, roof-rack 2 bottom fixed mounting has holding frame 5, the water inlet fixedly connected with of roof-rack 2 extends to the inside inlet tube 6 of cooling liquid tank 3, delivery port fixedly connected with installs the shower nozzle 18 on holding frame 5, frame 1 top fixed mounting has two slide rails 7, the top of slide rail 7 is provided with workstation 8, the both ends bottom of workstation 8 is connected with slider 9 of slip joint on slide rail 7, a plurality of rotatory rollers 11 are installed in the rotation of workstation 8 top, place open-top's insulation can 14 on rotatory roller 11, install the standing groove 15 that is used for placing fiber grating sensor in the insulation can 14, temperature sensor 16 is installed to the insulation can 14 inner wall, the both sides of workstation 8 are provided with the mount 12 of installing in frame 1 respectively, be provided with the push pedal mechanism 13 that promotes the horizontal movement of insulation can 14, fixedly installed in frame 1 and carry out the controller 17 that controls device power component.
Embodiment two:
The main difference from the first embodiment is that:
A low temperature resistance detection device of a fiber bragg grating sensor is characterized in that a handle 10 is fixedly arranged at one end of a workbench 8, so that the workbench 8 can be pulled manually to move and use; the cooling liquid tank 3 is provided with a liquid inlet 31 which is convenient for adding cooling liquid into the cooling liquid tank 3; the number of the spray heads 18 is multiple, the water outlets of the spray heads 18 are opposite to the heat preservation box 14, the water pump 4 is started to pump the cooling liquid in the cooling liquid box 3 to the spray heads 18, and the spray heads 18 spray the cooling liquid into the heat preservation box 14 to detect the low-temperature performance of the fiber grating sensor; a plurality of rotating rollers 11 are distributed on the workbench 8 at equal intervals, and two ends of each rotating roller 11 are respectively and rotatably connected with the workbench 8 through bearings, so that the insulation box 14 can be driven to move on the workbench 8 through the rolling of the rotating rollers 11; the pushing plate mechanism 13 comprises a cylinder 131 fixedly arranged on the fixed frame 12, a piston rod 132 is arranged at the output end of the cylinder 131, one end of the piston rod 132 is fixedly connected with a pushing plate 133, the cylinder 131 is started to drive the piston rod 132 to stretch and retract to drive the pushing plate 133 to push the heat preservation box 14 so that the heat preservation box 14 horizontally moves on the rotary roller 11, and therefore cooling liquid in the rotary roller 11 is in a flowing state; the signal output end of the temperature sensor 16 is connected with the signal input end of the controller 17, and the temperature inside the incubator 14 can be detected in real time through the temperature sensor 16 and detected data are transmitted to the controller 17.
When the fiber bragg grating sensor low temperature resistance detection device is used, two sliding rails 7 are arranged on a rack 1, a workbench 8 is arranged on the sliding rails 7, the workbench 8 is slidably clamped on the sliding rails 7 through a bottom sliding block 9 so as to slide back and forth, an insulation box 14 is arranged on the workbench 8, a top frame 2 and a cooling liquid box 3 are arranged on the rack 1, a water pump 4 and a bearing frame 5 are arranged on the top frame 2, so that the fiber bragg grating sensor is manually pushed to the lower part of the bearing frame 5 after being placed in the insulation box 14, the water pump 4 is started to extract cooling liquid in the cooling liquid box 3 to the inside of the insulation box 14 for low temperature resistance detection of the fiber bragg grating sensor, the design is reasonable, the testing efficiency and the reliability can be improved, and the using convenience can be improved; in addition, a plurality of rotating rollers 11 are rotatably arranged on the workbench 8, the heat preservation boxes 14 are arranged on the rotating rollers 11, the fixing frames 12 are respectively arranged on two sides of the workbench 8, the push plate mechanisms 13 are arranged on the fixing frames 12, the push plate mechanisms 13 comprise air cylinders 131, piston rods 132 and the like, so that the air cylinders 131 are started to drive the piston rods 132 to stretch and retract to drive the push plates 133 to push the heat preservation boxes 14 so as to enable the heat preservation boxes 14 to horizontally move on the rotating rollers 11, cooling liquid in the rotating rollers 11 is in a flowing state, the device is suitable for low-temperature testing of sensors working in flowing liquid, meets testing requirements of the sensors in different environments, saves use cost, and improves testing efficiency and reliability.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fiber bragg grating sensor low temperature resistance performance detection device, includes frame (1), its characterized in that: the utility model discloses a cooling device, including frame (1), frame (2), pump (4) are fixedly installed on frame (2), frame (5) are held to fixed mounting in frame (2), water inlet fixedly connected with of frame (2) extends to inside inlet tube (6) of cooling liquid case (3), delivery port fixedly connected with shower nozzle (18) of installing on frame (5), frame (1) top fixed mounting has two slide rails (7), the top of slide rail (7) is provided with workstation (8), slider (9) of slip joint on slide rail (7) are connected with in the both ends bottom of workstation (8), a plurality of changeing roller (11) are installed in workstation (8) top rotation, place open-top insulation can (14) on changeing roller (11), install in insulation can (14) and be used for placing fiber grating sensor's standing groove (15), temperature sensor (16) are installed to case (14) inner wall, workstation (8) are provided with workstation (8), workstation (12) are provided with slider (9) on frame (13) are installed respectively on frame (12) of moving mechanism (13), a controller (17) for controlling the power components of the device is fixedly arranged on the frame (1).
2. The low temperature resistance detection device of a fiber bragg grating sensor according to claim 1, wherein: one end of the workbench (8) is fixedly provided with a handle (10).
3. The low temperature resistance detection device of a fiber bragg grating sensor according to claim 1, wherein: the cooling liquid tank (3) is provided with a liquid inlet (31).
4. The low temperature resistance detection device of a fiber bragg grating sensor according to claim 1, wherein: the number of the spray heads (18) is multiple, and water outlets of the spray heads (18) are opposite to the heat insulation box (14).
5. The low temperature resistance detection device of a fiber bragg grating sensor according to claim 1, wherein: the plurality of rotating rollers (11) are distributed on the workbench (8) at equal intervals, and two ends of each rotating roller (11) are respectively connected with the workbench (8) in a rotating way through bearings.
6. The low temperature resistance detection device of a fiber bragg grating sensor according to claim 1, wherein: the push plate mechanism (13) comprises a cylinder (131) fixedly mounted on the fixing frame (12), a piston rod (132) is mounted at the output end of the cylinder (131), and one end of the piston rod (132) is fixedly connected with a push plate (133).
7. The low temperature resistance detection device of a fiber bragg grating sensor according to claim 1, wherein: the signal output end of the temperature sensor (16) is connected with the signal input end of the controller (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323092754.8U CN221302234U (en) | 2023-11-16 | 2023-11-16 | Low-temperature-resistant performance detection device of fiber bragg grating sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202323092754.8U CN221302234U (en) | 2023-11-16 | 2023-11-16 | Low-temperature-resistant performance detection device of fiber bragg grating sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116086625A (en) * | 2023-01-31 | 2023-05-09 | 武汉锐科光纤激光技术股份有限公司 | Grating temperature rise coefficient test method, device, equipment and storage medium |
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2023
- 2023-11-16 CN CN202323092754.8U patent/CN221302234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116086625A (en) * | 2023-01-31 | 2023-05-09 | 武汉锐科光纤激光技术股份有限公司 | Grating temperature rise coefficient test method, device, equipment and storage medium |
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