CN209656073U - A kind of encapsulating structure of fibre optical sensor - Google Patents
A kind of encapsulating structure of fibre optical sensor Download PDFInfo
- Publication number
- CN209656073U CN209656073U CN201920661811.4U CN201920661811U CN209656073U CN 209656073 U CN209656073 U CN 209656073U CN 201920661811 U CN201920661811 U CN 201920661811U CN 209656073 U CN209656073 U CN 209656073U
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- CN
- China
- Prior art keywords
- lower case
- upper housing
- optical sensor
- fibre optical
- sealing ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a kind of encapsulating structures of fibre optical sensor in tactile sensor technology field, comprising: upper housing；Lower case is equipped with gasket, vertical sealing ring in the junction of upper housing and lower case, and vertical sealing ring is at least arranged two, is respectively arranged at the both ends in the cavity between the upper housing and the lower case；Horizontal seal ring, the horizontal seal ring is set to the inside of the vertical sealing ring, and abuts with the vertical sealing ring；By its own flexible deformation to vertical sealing ring apply extruding force, guarantee vertical sealing ring be only attached to upper housing, lower case an end face inside.It between upper housing and lower case by being arranged gasket, and vertical sealing ring and horizontal seal ring are set inside it fibre optical sensor inside can be sealed with outside, outside air and water is avoided to enter inside fibre optical sensor, it prevents sensor to be damaged, solves the problems of the prior art.
Description
Technical field
The utility model relates to fiber optic sensor technology fields, and in particular to a kind of encapsulating structure of fibre optical sensor.
Background technique
The working principle of fibre optical sensor is that the optical signal from light source is made a gift to someone modulator by optical fiber, so that ginseng to be measured
Number interacts with the light for entering modulator zone, causes the optical property of light to change, becomes the signal source modulated, is passing through
Optical fiber is sent into optical detector, demodulated, obtains measured parameter.Since fibre optical sensor has, small in size, production is simple and anti-
The advantages of electromagnetic interference, therefore be increasingly widely used, be especially widely used for civil engineering, in power engineering for
In the detection of the parameters such as pressure, temperature.Because of the core diameter very little (125 μm) of bare optical fibers and bare optical gratings, especially fragile, shear behavior
Difference, survival rate are low, construct if it will be unable to competent extensive style in engineering directly as sensor, so in Fibre Optical Sensor
It can be to being packaged at fiber grating in device production.The encapsulation of existing fibre optical sensor is mostly welded in fiber grating sensing part
One shell, the purpose that shell is arranged are exactly that fiber grating is isolated with external environment, protect fibre optical sensor, prevent it by outer
The damage of portion's environment.But this encapsulating structure there are a defect be just the absence of external portion's shell and internal optical fiber grating it
Between sealing, cause external air and water to enter the inside of fibre optical sensor, lead to the damage of part, substantially reduce light
The service life of fiber sensor is unfavorable for the normal use of user.
It should be noted that above content belongs to the technology category of cognition of inventor, the prior art is not necessarily constituted.
Utility model content
The utility model provides a kind of optics baroceptor, it is sealed by being arranged between upper housing and lower case
It pads, and vertical sealing ring and horizontal seal ring are arranged inside it to be sealed fibre optical sensor inside with outside,
It avoids outside air and water from entering inside fibre optical sensor, sensor is prevented to be damaged, solve the problems of the prior art.
Used technical solution is the utility model to solve above-mentioned technical problem:
A kind of encapsulating structure of fibre optical sensor, comprising:
Upper housing；
Lower case is equipped with gasket in the junction of upper housing and lower case, and gasket can be to upper housing and lower case
Between connection gap be sealed, prevent outside air and water from entering sensor internal, inner body caused to damage.
Vertical sealing ring, vertical sealing ring are at least arranged two, be respectively arranged at the upper housing and the lower case it
Between cavity in both ends；One end face of vertical sealing ring is bonded with the inside of upper housing, an end face of lower case, in guarantee
The sealing effect of semicircle mounting hole on shell and lower case.
Horizontal seal ring, the horizontal seal ring are set to the inside of the vertical sealing ring, and with the vertical sealing
Ring abuts；Extruding force is applied to vertical sealing ring by the flexible deformation of its own, guarantees that vertical sealing ring is only attached to upper casing
Body, lower case an end face inside.
Tight lock part, the tight lock part are used to fasten upper housing and lower case；
Sensor body, the sensor body are set in the cavity between upper housing and lower case；
Support portion, the support portion are set in the cavity between upper housing and lower case, and sensor body setting is being propped up
On support part.
The support portion includes:
It is arranged in the intracorporal upper support frame of upper casing, and
It is arranged in the intracorporal lower bracing frame of lower casing, upper support frame is abutted with lower bracing frame.
It further include cushion, the cushion is arranged two, and the inner wall of upper support frame is arranged in one of them, another sets
Set the inner wall in lower bracing frame, cushion can active force between cushioning supportive portion and upper housing or/and lower case, prevent it
It bends, lose because shaking excessive fibre optical sensor.
The end of upper housing and lower case is respectively equipped with semicircle mounting hole, and the half of the semicircle mounting hole of upper housing and lower case
Circle mounting hole cooperatively forms circular mounting hole.
Preferably, sealing ring is equipped in circular mounting hole, the purpose that sealing ring is arranged in mounting hole is to increase
Seal degree between shell and outside avoids external air and moisture from entering the inside of fibre optical sensor, leads to inside
Damage parts shorten the service life of fibre optical sensor.
The tight lock part includes retaining ring and tight locking button, and retaining ring is arranged on upper housing, and tight locking button is arranged in lower case
On, retaining ring cooperates with tight locking button connect upper housing with lower case；Or
Retaining ring is arranged in lower case, and tight locking button is arranged on upper housing, and retaining ring and tight locking button cooperate upper housing
It is connect with lower case.
Preferably, the tight lock part is at least arranged two, two tight lock parts are arranged in upper housing and lower case connection position
That sets is not ipsilateral, can so guarantee uniformly to lock between upper housing and lower case, guarantees stress balance.
The sensor body includes:
Fiber grating induction part, fiber grating induction part are arranged between the first support frame and the second support frame；And it sets
It is placed in the fiber optic conduction portion at fiber grating induction part both ends, fiber optic conduction portion is arranged through and out circular mounting hole.
The utility model is by being arranged gasket between upper housing and lower case and being formed in upper housing and lower case
Cavity in the vertical sealing ring of setting and horizontal seal ring, sealing effect is good, can prevent outside air and water from entering optical fiber
Sensor internal avoids fibre optical sensor inner body from damaging.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sectional view at the A-A in figure.
In figure, 1, upper housing, 2, lower case, 3, gasket, 4, vertical sealing ring, 5, horizontal seal ring, 6, sealing ring, 7,
Fiber optic conduction portion, 8, fiber grating induction part, 9, upper support frame, 901, steel pipe, 902, connecting plate, 10, lower bracing frame, 11, slow
Punching pad, 12, retaining ring, 13, tight locking button.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment and in conjunction with attached drawing, it is practical to this
It is novel to be described in detail.
As shown in Figs. 1-2, a kind of encapsulating structure of fibre optical sensor, comprising: upper housing 1, lower case 2, vertical sealing ring
4, horizontal seal ring 5, tight lock part, sensor body and support portion.Upper housing 1 is connected with lower case 2 by tight lock part, upper housing
1 is semicircle shape shell, and lower case 2 is semicircle shape shell, and it is a cylinder that tight lock part, which can fasten upper housing 1 and lower case 2,
Shape shell is equipped with gasket 3 on the end face that upper housing 1 and lower case 2 fasten, which is rubber pad, can be to upper
Connection gap between shell 1 and lower case 2 is sealed, and is prevented outside air and water from entering sensor internal, is led to inside
Damage parts.Be welded with upper support frame 9 on upper housing 1, upper support frame 9 be include a horizontal positioned steel pipe 901, the steel pipe
901 be semicircle, and 901 both ends of steel pipe are respectively welded connecting plate 902, and the other end of connecting plate 902 is welded on the interior of upper housing 1
On wall.Lower bracing frame 10 is welded in lower case 2, lower bracing frame 10 is identical as 9 structure of upper support frame, upper support frame 9 and lower branch
901 split of steel pipe on support 10 is capable of forming round steel pipe.Meanwhile it being respectively provided in two ends of upper housing 1 and lower case 2
One semicircular indentations, sensor body passes through upper housing 1 and the semicircular indentations of lower case 2 extend into upper housing 1 and lower casing
In body 2.It is respectively provided with a vertical sealing ring 4 in two ends of upper housing 1 and lower case 2,4 sets of vertical sealing ring is two and half
On round steel pipe 901, the internal diameter of vertical sealing ring 4 is less than the diameter of semicircular indentations, so can be during installation by vertical
Sealing ring 4 is squeezed and deformed with steel pipe 901 so that sealing effect is more preferable.Horizontal seal ring is additionally provided in the inside of vertical sealing ring 4
5, horizontal seal ring 5 is also set on two semicircle steel pipes 901, the length of two horizontal seal rings 5 be greater than connecting plate 902 with
The distance between vertical sealing ring 4 is enabled horizontal seal ring 5 to be connected the extruding of plate 902 and is deformed to be come with this to vertical
4 applied force of sealing ring compresses vertical sealing ring 4.
The fibre optical sensor of the application during installation, first by the fiber optic conduction portion 7 of fibre optical sensor pass through upper housing 1 or
The fiber grating induction part 8 of fibre optical sensor is put into upper support frame 9 or lower bracing frame 10 by the semicircular indentations of lower case 2
Semicircle steel pipe 901 in, with steel pipe 901 using bonding by the way of connect.Then by two 5 sets of horizontal seal ring in semicircle
The both ends of steel pipe 901, then two vertical sealing rings 4 are respectively fitted over to the both ends of semicircle steel pipe 901, and two vertical sealing rings
4 end face is bonded with the inner face of upper housing 1, lower case 2, secondly fastens upper housing 1 and lower case 2 using tight lock part.
Further, it is also bonded with respectively on the inner wall of upper support frame 9 and the semicircle steel pipe 901 of lower bracing frame 10 slow
Rush pad 11, cushion 11 can active force between cushioning supportive portion and upper housing 1 or/and lower case 2, prevent it because shaking
Big fibre optical sensor bends, loses.
Also, sealing ring is equipped at upper housing 1 and the semicircular indentations of lower case 2 in order to further increase sealing effect
6, it avoids external air and moisture from entering the inside of fibre optical sensor, inner body is caused to damage, shorten fibre optical sensor
Service life.
Further, above-mentioned tight lock part includes retaining ring 12 and tight locking button 13, and retaining ring 12 is arranged on upper housing 1, lock
13 settings link closely in lower case 2, retaining ring 12 cooperates with tight locking button 13 connect upper housing 1 with lower case 2；Or it can be with
Upper housing 1 and lower case 2 are fastened by the way of buckle, or can also be connected by way of bonding.Preferred real
It applies in example, multiple and not ipsilateral setting is arranged in tight lock part, while multiple tight lock parts uniformly connect upper housing 1 and lower case respectively
2, it can so guarantee uniformly to lock between upper housing 1 and lower case 2, guarantee stress balance.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (8)
1. a kind of encapsulating structure of fibre optical sensor characterized by comprising
Upper housing；
The junction of lower case, the upper housing and the lower case is equipped with gasket；
Vertical sealing ring, the vertical sealing ring are at least arranged two, be respectively arranged at the upper housing and the lower case it
Between cavity in both ends；
Horizontal seal ring, the horizontal seal ring is set to the inside of the vertical sealing ring, and supports with the vertical sealing ring
It connects；
Tight lock part, the tight lock part are used to fasten the upper housing and the lower case；
Sensor body, the sensor body are set in the cavity between the upper housing and the lower case；
Support portion, the support portion are set in the cavity between the upper housing and the lower case, the sensor body
It is set to the support portion.
2. a kind of encapsulating structure of fibre optical sensor according to claim 1, which is characterized in that the support portion includes:
It is set to the intracorporal upper support frame of the upper casing, and
It is set to the intracorporal lower bracing frame of the lower casing, the upper support frame is abutted with the lower bracing frame.
3. a kind of encapsulating structure of fibre optical sensor according to claim 2, which is characterized in that it further include cushion, institute
It states cushion and is arranged two, the inner wall of upper support frame is arranged in one of them, and the inner wall of lower bracing frame is arranged in another.
4. a kind of encapsulating structure of fibre optical sensor according to claim 2, which is characterized in that the upper housing with it is described
The end of lower case is respectively equipped with semicircle mounting hole, the semicircle mounting hole of the upper housing and the semicircle mounting hole of the lower case
Cooperatively form circular mounting hole.
5. a kind of encapsulating structure of fibre optical sensor according to claim 4, which is characterized in that be equipped in the mounting hole
Sealing ring.
6. a kind of encapsulating structure of fibre optical sensor according to claim 1, which is characterized in that the tight lock part includes lock
Tight ring and tight locking button, the retaining ring are set to the upper housing, and the tight locking button is set to the lower case, the retaining ring
Cooperate with the tight locking button and connect the upper housing with the lower case；Or
The retaining ring is set to the lower case, and the tight locking button is set to the upper housing, the retaining ring and the lock
The upper housing is connect by cooperation of linking closely with the lower case.
7. a kind of encapsulating structure of fibre optical sensor according to claim 5, which is characterized in that the tight lock part is at least set
Set two, the not ipsilateral of the upper housing and the lower case link position is arranged in two tight lock parts.
8. a kind of encapsulating structure of fibre optical sensor according to claim 4, which is characterized in that the sensor body packet
It includes:
Fiber grating induction part, the fiber grating induction part are set between the upper support frame and lower bracing frame；
It is set to the fiber optic conduction portion at fiber grating induction part both ends, the circular mounting is stretched out in the fiber optic conduction portion
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661811.4U CN209656073U (en) | 2019-05-09 | 2019-05-09 | A kind of encapsulating structure of fibre optical sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661811.4U CN209656073U (en) | 2019-05-09 | 2019-05-09 | A kind of encapsulating structure of fibre optical sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656073U true CN209656073U (en) | 2019-11-19 |
Family
ID=68530073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920661811.4U Expired - Fee Related CN209656073U (en) | 2019-05-09 | 2019-05-09 | A kind of encapsulating structure of fibre optical sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656073U (en) |
-
2019
- 2019-05-09 CN CN201920661811.4U patent/CN209656073U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20200509 |