阅读说明：本技术 一种光纤温度传感器防护盒 (A kind of fibre optic temperature sensor protection box ) 是由 李帅 于 2019-09-27 设计创作，主要内容包括：本发明一种光纤温度传感器防护盒,包括底座、上盖、温度传感器和光纤,所述底座的上方设有上盖,所述底座和上盖的两端设有穿线套,所述底座的内部设有温度传感器,此光纤温度传感器防护盒使用时,通过在穿线套的前端设置夹片,夹片的内侧设置密封层,光纤穿过穿线套后,通过旋动旋紧环,实现夹片对光纤的固定,该种设计,该穿线套可满足不同尺寸光纤的使用,实现对防护盒的密封,避免粉尘进入壳体内部,影响温度传感器侧精度,通过在底座和上盖的内部设置保温层,避免外部温度突变对温度传感器的影响,通过在保温层的内侧设置屏蔽层,避免磁场对光纤的造成的局部放电,影响测量。(A kind of fibre optic temperature sensor protection box of the present invention, including pedestal, upper cover, temperature sensor and optical fiber, the top of the pedestal is equipped with upper cover, the both ends of the pedestal and upper cover are equipped with threading set, the inside of the pedestal is equipped with temperature sensor, when this fibre optic temperature sensor protection box uses, by the way that intermediate plate is arranged in the front end of threading set, sealant is arranged in the inside of intermediate plate, after optical fiber passes through threading set, ring is screwed by turn, realize fixation of the intermediate plate to optical fiber, this kind design, the threading set can meet the use of different size fibers, realize the sealing to protection box, dust is avoided to enter enclosure interior, influence temperature sensor side precision, by the way that insulating layer is arranged in the inside of pedestal and upper cover, external temperature is avoided to be mutated the influence to temperature sensor, by the way that shielded layer is arranged in the inside of insulating layer, avoid magnetic field to optical fiber Caused by shelf depreciation, influence to measure.)

1. a kind of fibre optic temperature sensor protection box, including pedestal (1), upper cover (2), temperature sensor (3) and optical fiber (4), It is characterized in that, the top of the pedestal (1) is equipped with upper cover (2), and the both ends of the pedestal (1) and upper cover (2) are equipped with threading set (5), the inside of the pedestal (1) is equipped with temperature sensor (3), and the optical fiber (4) covers (5) through two threading, the pedestal (1) Insulating layer (8) are equipped with the inside of upper cover (2), the inside of the insulating layer (8) is equipped with shielded layer (9), the threading set (5) Front end is equipped with intermediate plate (11), and the inside of the intermediate plate (11) is equipped with sealant (7), is cased with outside the threading set (5) and screws ring (6), placed cavity (10) are equipped with inside the pedestal (1) and upper cover (2).

2. a kind of fibre optic temperature sensor protection box according to claim 1, which is characterized in that the number of the intermediate plate (11) Amount is 4, and gap is equipped between adjacent two intermediate plate (11), and the intermediate plate (11) is arcuate structure.

3. a kind of fibre optic temperature sensor protection box according to claim 1, which is characterized in that the sealant (7) is adopted It is made of soft rubber material, and the thickness of the sealant (7) is sequentially reduced from front to back, the sealant (7) and intermediate plate (11) inside vulcanization is integrated.

4. a kind of fibre optic temperature sensor protection box according to claim 1, which is characterized in that the threading covers (5) table Face is equipped with external screw thread, and the ring (6) that screws is threadedly coupled with threading set (5).

5. a kind of fibre optic temperature sensor protection box according to claim 1, which is characterized in that the insulating layer (8) is adopted It is made of heat-preservation cotton (8).

6. a kind of fibre optic temperature sensor protection box according to claim 1, which is characterized in that the shielded layer (9) is adopted It is made of copper product.

Technical field

The present invention relates to temperature sensor technology field, specially a kind of fibre optic temperature sensor protection box.

Background technique

Optical fiber needs to install fibre optic temperature sensor in its end face when being installed, for the measurement to signal strength, Existing fibre optic temperature sensor be easy to cause damage or measurement showing for deviation occur often due to extraneous environmental disturbances As, it is therefore necessary to a kind of fibre optic temperature sensor protection box is designed to solve the above problems.

Summary of the invention

In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of fibre optic temperature sensor protection boxes, to change Into the problems mentioned above in the background art.

In order to improve the above problem, the present invention is to embody by the following technical solutions: a kind of fibre optic temperature sensor Protection box, including pedestal, upper cover, temperature sensor and optical fiber, the top of the pedestal are equipped with upper cover, the pedestal and upper cover Both ends are equipped with threading set, and the inside of the pedestal is equipped with temperature sensor, and the optical fiber is through two threading sets, the pedestal and upper The inside of lid is equipped with insulating layer, and the inside of the insulating layer is equipped with shielded layer, and the front end of the threading set is equipped with intermediate plate, the folder The inside of piece is equipped with sealant, and outer be cased with of threading set screws ring, placed cavity is equipped with inside the pedestal and upper cover.

As a kind of preferred embodiment of the invention, the quantity of the intermediate plate is 4, is equipped with sky between adjacent two intermediate plate Gap, the intermediate plate are arcuate structure.

As a kind of preferred embodiment of the invention, the sealant is made of soft rubber material, and the sealing The thickness of layer is sequentially reduced from front to back, and the sealant is integrated with vulcanization on the inside of intermediate plate.

As a kind of preferred embodiment of the invention, threading set surface is equipped with external screw thread, described to screw ring and wear The connection of line external threading.

As a kind of preferred embodiment of the invention, the insulating layer is made of heat-preservation cotton.

As a kind of preferred embodiment of the invention, the shielded layer is made of copper product.

Beneficial effects of the present invention: a kind of fibre optic temperature sensor protection box of the invention, including pedestal, upper cover, temperature Sensor, threading set, screws ring, sealant, insulating layer, shielded layer, placed cavity, intermediate plate at optical fiber.

1. this fibre optic temperature sensor protection box is in use, by being arranged intermediate plate, the inside of intermediate plate in the front end of threading set Sealant is set, after optical fiber passes through threading set, ring is screwed by turn, realizes fixation of the intermediate plate to optical fiber, this kind design, this is worn Line set can meet the use of different size fibers, realize the sealing to protection box, avoid dust from entering enclosure interior, influence temperature Sensor side precision.

2. this fibre optic temperature sensor protection box avoids external temperature by the way that insulating layer is arranged in the inside of pedestal and upper cover Influence of the degree mutation to temperature sensor avoids magnetic field to caused by optical fiber by the way that shielded layer is arranged in the inside of insulating layer Shelf depreciation influences to measure.

The present invention compensates for the shortcoming in background technique to a certain extent.

Detailed description of the invention

Fig. 1 is a kind of fibre optic temperature sensor protection box overall structure figure of the present invention；

Fig. 2 is a kind of fibre optic temperature sensor protection box threading set front view of the present invention；

Fig. 3 is a kind of fibre optic temperature sensor protection box threading set side view of the present invention；

In figure: 1, pedestal；2, upper cover；3, temperature sensor；4, optical fiber；5, threading set；6, ring is screwed；7, sealant；8, it keeps the temperature Layer；9, shielded layer；10, placed cavity；11, intermediate plate.

Specific embodiment

To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment, the present invention is further explained.

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

It please refers to Fig.1 to Fig.3, the present invention provides a kind of technical solution: a kind of fibre optic temperature sensor protection box, including bottom The top of seat 1, upper cover 2, temperature sensor 3 and optical fiber 4, the pedestal 1 is equipped with upper cover 2, the both ends of the pedestal 1 and upper cover 2 Equipped with threading set 5, the inside of the pedestal 1 is equipped with temperature sensor 3, and the optical fiber 4 is through two threading sets 5,1 He of pedestal The inside of upper cover 2 is equipped with insulating layer 8, and the inside of the insulating layer 8 is equipped with shielded layer 9, and the front end of the threading set 5 is equipped with intermediate plate 11, the inside of the intermediate plate 11 is equipped with sealant 7, is cased with outside the threading set 5 and screws ring 6, inside the pedestal 1 and upper cover 2 Equipped with placed cavity 10.

Working principle: in use, by the way that intermediate plate 11 is arranged in the front end of threading set 5, sealant is arranged in the inside of intermediate plate 11 7, after optical fiber 4 passes through threading set 5, ring 6 is screwed by turn, realizes fixation of the intermediate plate 11 to optical fiber 4, this kind design, the threading Set 5 can meet the use of different size fibers 4, realize the sealing to protection box, avoid dust from entering enclosure interior, influence temperature 3 side precision of sensor avoids external temperature mutation to temperature sensing by the way that insulating layer 8 is arranged in the inside of pedestal 1 and upper cover 2 The influence of device 3 avoids magnetic field to shelf depreciation caused by optical fiber 4, influences by the way that shielded layer is arranged in the inside of insulating layer 8 Measurement.

As a kind of preferred embodiment of the invention, the quantity of the intermediate plate 11 is 4, is set between adjacent two intermediate plate 11 There is gap, the intermediate plate 11 is arcuate structure.

As a kind of preferred embodiment of the invention, the sealant 7 is made of soft rubber material, and the sealing The thickness of layer 7 is sequentially reduced from front to back, is vulcanized on the inside of the sealant 7 and intermediate plate 11 and is integrated.

As a kind of preferred embodiment of the invention, the threading covers 5 surfaces and is equipped with external screw thread, it is described screw ring 6 with Threading set 5 is threadedly coupled.

As a kind of preferred embodiment of the invention, the insulating layer 8 is made of heat-preservation cotton 8.

As a kind of preferred embodiment of the invention, the shielded layer 9 is made of copper product.

Compared with patent 201120167357.0,201811331969.1,201811506252.6, this fiber optic temperature is passed Sensor protection box is in use, by being arranged intermediate plate in the front end of threading set, and sealant is arranged in the inside of intermediate plate, and optical fiber passes through threading After set, ring is screwed by turn, realizes fixation of the intermediate plate to optical fiber, this kind design, which can meet different size fibers Use, realize sealing to protection box, avoid dust from entering enclosure interior, influence temperature sensor side precision.

This fibre optic temperature sensor protection box avoids external temperature by the way that insulating layer is arranged in the inside of pedestal 1 and upper cover It is mutated the influence to temperature sensor, by the way that shielded layer is arranged in the inside of insulating layer, avoids magnetic field to office caused by optical fiber Portion's electric discharge, influences to measure.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.