CN208653684U - A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating - Google Patents
A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating Download PDFInfo
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- CN208653684U CN208653684U CN201821262824.6U CN201821262824U CN208653684U CN 208653684 U CN208653684 U CN 208653684U CN 201821262824 U CN201821262824 U CN 201821262824U CN 208653684 U CN208653684 U CN 208653684U
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- temperature
- pressure sensor
- vertical slot
- bragg grating
- fiber bragg
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Abstract
The utility model discloses a kind of protective devices of fiber bragg grating pressure sensor with temperature-compensating, including guard box, fixture block is provided in the middle part of upper and lower ends in guard box, two fixture block right ends are provided with flat runner, guard box right part is provided with perpendicular baffle in two sides up and down, casing is provided in the middle part of left side wall in guard box, U-tube is arranged in casing, U-tube left part is provided with plate in two sides up and down, U-tube left end is located in casing and is provided with main adjustable spring, U-tube can move in casing when the device works, plate slides in casing, upper and lower two pulleys can keep sensor to fix, to keep the device more steady.The device is squeezed into the fiber bragg grating pressure sensor with temperature-compensating in guard box with hand when working, and pulley is slided into the inside groove of fixture block, and device is fixed, and can avoid the damage of personnel's bring, can also be greatly reduced external humidification air and be corroded to sensor bring.
Description
Technical field
The utility model relates to protective device technical field more particularly to a kind of fiber grating pressure biographies with temperature-compensating
The protective device of sensor.
Background technique
Sensor is a kind of detection device, can experience measured information, and the information that can will be experienced, by a set pattern
Rule is for conversion into electric signal or the information output of other required forms, to meet transmission, processing, storage, the display, record of information
With control etc. require.Fiber bragg grating pressure sensor with temperature-compensating is to survey press polish grid and elasticity based on flexible sheet structure
Diaphragm is directly connected to, and diaphragm its center amount of deflection under the action of environmental pressure changes, so as to cause press polish grid elongation is surveyed
Variation, cause the drift of its central wavelength, the variable quantity of pressure can be calculated by detecting the drift value.Temperature compensation grating
It is separated with flexible sheet, is allowed to sensitive to the temperature of environment, to as the temperature-compensating for surveying press polish grid.
Advantage of the Fiber Grating Sensors Technology in data collecting field is widely approved.In use environment,
It is with many advantages compared with traditional sensor, and especially it has irreplaceable obvious spy in particular circumstances
Property, the parameter and accuracy that it is provided on measuring accuracy are that other class sensor institutes are inaccessiable at present.But it is existing
Fiber bragg grating pressure sensor with temperature-compensating lacks protective device, and when work is mostly directly exposed in environment, vulnerable to
Artificial and naturally destruction in environment.And vulnerable to the corrosion of the brings such as steam in air.Therefore, those skilled in the art mention
A kind of protective device of fiber bragg grating pressure sensor with temperature-compensating is supplied, to solve mentioned above in the background art ask
Topic.
Summary of the invention
To solve technical problem present in background technique, the utility model proposes a kind of fiber gratings with temperature-compensating
The protective device of pressure sensor.
The utility model proposes a kind of fiber bragg grating pressure sensor with temperature-compensating protective device, including protection
Case, is provided with fixture block in guard box in the middle part of upper and lower ends, two fixture block right ends are provided with flat runner, above and below guard box right part
Two sides are provided with perpendicular baffle, are provided with casing in the middle part of left side wall in guard box, are arranged with U-tube in casing, on U-tube left part
Lower two sides are provided with plate, and U-tube left end is located in casing and is provided with main adjustable spring, and two equal between plate and casing
It is provided with thin adjustable spring, U-tube right end is fixedly connected with expansion box；
Flexible upper box part is arranged with upper vertical bar, and flexible lower box part is arranged with lower vertical bar, upper vertical bar lower end and lower vertical bar upper end
In expansion box, and upper vertical bar lower end and lower vertical bar upper end are provided with anticreep slide plate, are provided between two anticreep slide plates
Several torque springs, left side wall top is provided with the first vertical slot in expansion box, and the first spring, expansion box are provided in the first vertical slot
Interior right side wall top is provided with the second vertical slot, and second spring is provided in the second vertical slot, and left side wall lower part is arranged in expansion box
There is third vertical slot, third spring is provided in third vertical slot, right side wall lower part is provided with the 4th vertical slot, the 4th vertical slot in expansion box
It is inside provided with the 4th spring, is provided with block on the inside of the first vertical slot, the second vertical slot, third vertical slot and the 4th vertical slot, upper vertical bar
Upper end and lower vertical bar lower end are provided with pulley, are fixedly connected with the fiber grating pressure with temperature-compensating in the middle part of expansion box right end
Sensor, the fiber bragg grating pressure sensor right end with temperature-compensating are provided with pressure-sensitive mould.
As a further solution of the present invention: guard box left part is provided with bolt, and two bolts in two sides up and down
On be provided with bolt hole.
Two flat runner inner sidewalls are smooth as a further solution of the present invention, and two pulleys with it is flat
Slide plate slides connection.
The setting of U-tube left end is fluted as a further solution of the present invention, and main adjustable spring is located at groove
It is interior.
Inside groove is provided in the middle part of two fixture blocks as a further solution of the present invention, and fixture block right part is arranged
There is slope, ramped surfaces are smooth.
Two anticreep slide plates are symmetrical about expansion box as a further solution of the present invention, and two anti-
Plate of trying to shirk responsibility is slidably connected with expansion box.
Compared with prior art, the utility model has the beneficial effects that
1, U-tube can move in casing when the device works, and main adjustable spring stretches, thin adjustable spring corrosion pressure
Contracting, plate slide in casing, and upper and lower two pulleys can keep sensor to fix, to keep the device more steady, increase dress
The stability set.
2, the fiber bragg grating pressure sensor with temperature-compensating is squeezed into guard box with hand when the device works, pulley
It slides into the inside groove of fixture block, device is fixed, and can avoid the damage of personnel's bring, can also greatly reduce external humidification air to biography
The corrosion of sensor bring, can increase the service life of sensor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the protective device of fiber bragg grating pressure sensor with temperature-compensating.
Fig. 2 is the structural representation of expansion box in a kind of protective device of fiber bragg grating pressure sensor with temperature-compensating
Figure.
Fig. 3 is a kind of fiber bragg grating pressure sensor right view with temperature-compensating.
In figure: 1- guard box, 2- casing, 3-U shape pipe, 4- plate, the main adjustable spring of 5-, the thin adjustable spring of 6-, 7- fixture block,
8- flat runner, 9- erect baffle, 10- expansion box, 11- upper vertical bar, 12- lower vertical bar, 13- anticreep slide plate, 14- torque spring, 15- the
One vertical slot, the first spring of 16-, the second vertical slot of 17-, 18- second spring, 19- third vertical slot, 20- third spring, 21- the 4th are perpendicular
Slot, the 4th spring of 22-, the fiber bragg grating pressure sensor of 23- block, 24- pulley, 25- with temperature-compensating, 26- pressure-sensitive mould,
27- bolt.
Specific embodiment
As shown in Figure 1-Figure 3, the utility model proposes a kind of fiber bragg grating pressure sensor with temperature-compensating guarantor
Protection unit, including guard box 1 are provided with fixture block 7 in the middle part of upper and lower ends in guard box 1, and two 7 right ends of fixture block are provided with flat
Slide plate 8,1 right part of guard box are provided with perpendicular baffle 9 in two sides up and down, are provided with casing 2, casing 2 in the middle part of left side wall in guard box 1
It is inside arranged with U-tube 3, two sides are provided with plate 4 to 3 left part of U-tube up and down, and 3 left end of U-tube is located in casing 2 and is provided with
Main adjustable spring 5, is provided with thin adjustable spring 6 between two plates 4 and casing 2,3 right end of U-tube is fixedly connected with flexible
Case 10；
10 top of expansion box is arranged with upper vertical bar 11, and 10 lower part of expansion box is arranged with lower vertical bar 12,11 lower end of upper vertical bar with
12 upper end of lower vertical bar is located in expansion box 10, and 11 lower end of upper vertical bar and 12 upper end of lower vertical bar are provided with anticreep slide plate 13, and two
Several torque springs 14 are provided between a anticreep slide plate 13, left side wall top is provided with the first vertical slot 15 in expansion box 10, the
The first spring 16 is provided in one vertical slot 15, right side wall top is provided with the second vertical slot 17, and the second vertical slot 17 in expansion box 10
It is inside provided with second spring 18, left side wall lower part is provided with third vertical slot 19 in expansion box 10, and is provided in third vertical slot 19
Three springs 20, right side wall lower part is provided with the 4th vertical slot 21 in expansion box 10, and the 4th spring 22 is provided in the 4th vertical slot 21, and
Block 23 is provided on the inside of one vertical slot 15, the second vertical slot 17, third vertical slot 19 and the 4th vertical slot 21,11 upper end of upper vertical bar is under
12 lower end of vertical bar is provided with pulley 24, and the fiber grating pressure with temperature-compensating is fixedly connected in the middle part of 10 right end of expansion box and is passed
Sensor 25,25 right end of fiber bragg grating pressure sensor with temperature-compensating are provided with pressure-sensitive mould 26.
1 left part of guard box is provided with bolt 27 in two sides up and down, and is provided with bolt hole on two bolts 27.
Two 8 inner sidewalls of flat runner are smooth, and two pulleys 24 are slidably connected with flat runner 8.
The setting of 3 left end of U-tube is fluted, and main adjustable spring 5 is located in groove.
Inside groove is provided in the middle part of two fixture blocks 7, and 7 right part of fixture block is provided with slope, ramped surfaces are smooth.
Two anticreep slide plates 13 are symmetrical about expansion box 10, and two anticreep slide plates 13 slide with expansion box 10 and connect
It connects.
The fiber bragg grating pressure sensor 25 with temperature-compensating is located at 1 outside of guard box, pressure-sensitive mould 26 when the device works
Extraneous pressure can be perceived, when external environment be interfered or sensor when not used, with hand by the optical fiber light with temperature-compensating
Grid voltage force snesor 25 squeezes into guard box 1, and pulley 24 slides on flat runner 8, when pulley 24 is slided to 7 side of fixture block
When, upper vertical bar 11 moves downward, and lower vertical bar 12 moves upwards, and torque spring 14 squeezes, and anticreep slide plate 13 is in expansion box 10
Interior sliding, the first spring 16, second spring 18, third spring 20 and the 4th spring 22 will play stretching to anticreep slide plate 13 and make
With, U-tube 3 moves downward, and main adjustable spring 5 stretches, and plate 4 slides in casing 2, rear wheel 24 slide to fixture block
In 7 inside groove, device is fixed, and be can avoid the damage of personnel's bring, can also be greatly reduced external humidification air and bring to sensor
Corrosion.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating, including guard box (1), which is characterized in that
It is provided with fixture block (7) in the middle part of the interior upper and lower ends of guard box (1), two fixture block (7) right ends are provided with flat runner (8), protection
Case (1) right part is provided with perpendicular baffle (9) two sides up and down, is provided with casing (2) in the middle part of the interior left side wall of guard box (1), casing (2)
It is inside arranged with U-tube (3), U-tube (3) left part is provided with plate (4) two sides up and down, and U-tube (3) left end is located at casing (2)
It is interior and be provided with main adjustable spring (5), thin adjustable spring (6), U-tube are provided between two plates (4) and casing (2)
(3) right end is fixedly connected with expansion box (10)；
Expansion box (10) top is arranged with upper vertical bar (11), and expansion box (10) lower part is arranged with lower vertical bar (12), upper vertical bar (11)
Lower end and lower vertical bar (12) upper end are located in expansion box (10), and upper vertical bar (11) lower end is provided with lower vertical bar (12) upper end
Anticreep slide plate (13) is provided with several torque springs (14) between two anticreep slide plates (13), on expansion box (10) interior left side wall
Portion is provided with the first vertical slot (15), is provided with the first spring (16) in the first vertical slot (15), the interior right side wall top of expansion box (10)
It is provided with the second vertical slot (17), and is provided with second spring (18) in the second vertical slot (17), the interior left side wall lower part of expansion box (10)
It is provided with third vertical slot (19), is provided with third spring (20) in third vertical slot (19), the interior right side wall lower part of expansion box (10) is set
Be equipped with the 4th vertical slot (21), be provided with the 4th spring (22) in the 4th vertical slot (21), the first vertical slot (15), the second vertical slot (17),
It is provided with block (23) on the inside of third vertical slot (19) and the 4th vertical slot (21), upper vertical bar (11) upper end and lower vertical bar (12) lower end
It is provided with pulley (24), is fixedly connected with the fiber bragg grating pressure sensor with temperature-compensating in the middle part of expansion box (10) right end
(25), the fiber bragg grating pressure sensor with temperature-compensating (25) right end is provided with pressure-sensitive mould (26).
2. a kind of protective device of fiber bragg grating pressure sensor with temperature-compensating according to claim 1, feature
It is, guard box (1) left part is provided with bolt (27) two sides up and down, and is provided with bolt hole on two bolts (27).
3. a kind of protective device of fiber bragg grating pressure sensor with temperature-compensating according to claim 1, feature
It is, two flat runner (8) inner sidewalls are smooth, and two pulleys (24) are slidably connected with flat runner (8).
4. a kind of protective device of fiber bragg grating pressure sensor with temperature-compensating according to claim 1, feature
It is, the setting of U-tube (3) left end is fluted, and main adjustable spring (5) is located in groove.
5. a kind of protective device of fiber bragg grating pressure sensor with temperature-compensating according to claim 1, feature
It is, is provided with inside groove in the middle part of two fixture blocks (7), and fixture block (7) right part is provided with slope, ramped surfaces are smooth.
6. a kind of protective device of fiber bragg grating pressure sensor with temperature-compensating according to claim 1, feature
Be, two anticreep slide plates (13) are symmetrical about expansion box (10), and two anticreep slide plates (13) with expansion box (10)
It is slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262824.6U CN208653684U (en) | 2018-08-07 | 2018-08-07 | A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262824.6U CN208653684U (en) | 2018-08-07 | 2018-08-07 | A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208653684U true CN208653684U (en) | 2019-03-26 |
Family
ID=65788311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821262824.6U Expired - Fee Related CN208653684U (en) | 2018-08-07 | 2018-08-07 | A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208653684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663146A (en) * | 2018-08-07 | 2018-10-16 | 合肥云联电子科技有限公司 | A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating |
-
2018
- 2018-08-07 CN CN201821262824.6U patent/CN208653684U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663146A (en) * | 2018-08-07 | 2018-10-16 | 合肥云联电子科技有限公司 | A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating |
| CN108663146B (en) * | 2018-08-07 | 2023-11-21 | 合肥森岑汽车用品有限公司 | Protection device with temperature compensation for fiber grating pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20190807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |