CN212674411U - High-precision optical time domain reflectometer - Google Patents
High-precision optical time domain reflectometer Download PDFInfo
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- CN212674411U CN212674411U CN202021639061.XU CN202021639061U CN212674411U CN 212674411 U CN212674411 U CN 212674411U CN 202021639061 U CN202021639061 U CN 202021639061U CN 212674411 U CN212674411 U CN 212674411U
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- shell
- fixedly connected
- time domain
- domain reflectometer
- optical time
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Abstract
The utility model discloses a high-precision optical time domain reflectometer, which comprises a shell, wherein one side of the shell is provided with an opening, a cover plate is arranged on one side of the shell, a mounting plate is fixedly connected on one side of the cover plate close to the shell, the mounting plate is provided with two symmetrically arranged mounting grooves, the two mounting grooves are both fixedly connected with a blowing fan, the middle end of the mounting plate is provided with a storage battery, the output end of the storage battery is electrically connected with the blowing fan, the two ends of the cover plate are fixedly connected with clamping rods, the shell is provided with clamping grooves corresponding to the clamping rods, all rotate on the both sides outer wall of casing and be connected with the threaded rod, the movable plate has been cup jointed to the screw thread on the threaded rod, the utility model discloses a setting up of heat dissipation mechanism can dispel the heat fast to the electric elements in the reflectometer, increases precision components's life, improves the use accuracy.
Description
Technical Field
The utility model relates to a relevant goods field of optical time domain reflectometer specifically is a high accuracy optical time domain reflectometer.
Background
The optical time domain reflectometer is an instrument for analyzing a measurement curve to know a plurality of performances such as uniformity, defects, breakage, joint coupling and the like of an optical fiber. The optical fiber attenuation measuring device is manufactured according to the backward scattering and Fresnel backward principle of light, obtains attenuation information by utilizing the backward scattering light generated when the light propagates in the optical fiber, can be used for measuring the attenuation of the optical fiber, the joint loss, the positioning of an optical fiber fault point, knowing the loss distribution condition of the optical fiber along the length and the like, and is an essential tool in the construction, maintenance and monitoring of the optical cable.
However, the internal protection structure of the existing optical time domain reflectometer is simple, and when the optical time domain reflectometer is used, the high temperature inside the optical time domain reflectometer cannot be effectively and timely discharged, so that the service life of internal elements is reduced, and the optical time domain reflectometer has defectiveness.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy optical time domain reflectometer to propose the inside protective structure simple of current optical time domain reflectometer in solving above-mentioned background art, its inside high temperature can't be effectively timely when optical time domain reflectometer uses discharges, leads to inner member life reduction problem.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision optical time domain reflectometer comprises a shell, wherein one side of the shell is provided with an opening, one side of the shell is provided with a cover plate, one side of the cover plate, which is close to the shell, is fixedly connected with a mounting plate, the mounting plate is provided with two symmetrically arranged mounting grooves, a blowing fan is fixedly connected in the two mounting grooves, the middle end of the mounting plate is provided with a storage battery, the output end of the storage battery is electrically connected with the blowing fan, the two ends of the cover plate are fixedly connected with clamping rods, the shell is provided with clamping grooves corresponding to the clamping rods, the outer walls at the two sides of the shell are rotatably connected with threaded rods, the threaded rods are sleeved with moving plates in a threaded manner, one side of the bottom end of each moving plate is fixedly connected with a limiting rod, one end, far away from the moving plates, of each limiting rod penetrates through, and a plurality of strip-shaped heat dissipation ports corresponding to the blowing fan positions are arranged on the outer wall of the shell.
Preferably, one end of the threaded rod, which is far away from the shell, is fixedly connected with a rotating block, and the rotating block is provided with anti-skid grains.
Preferably, the plurality of strip-shaped heat dissipation openings are arranged at equal intervals.
Preferably, a sealing gasket is fixedly connected to one side of the cover plate close to the shell.
Compared with the prior art, the beneficial effects of the utility model are that:
this high accuracy light time domain reflectometer, inside inserting the casing through the mounting panel that will lap, the kelly card on the apron is gone into the draw-in groove on corresponding the position on the casing this moment, rotates the threaded rod afterwards and rotates on the casing, install the removal on the threaded rod this moment and will drive the spacing inslot that the kelly inserted on the kelly and realize the fixed of kelly, realize installing the mounting panel inside the casing to the fixed of apron, thereby install the fan of blowing on the mounting panel and dispel the heat to casing inside and discharge the bar heat dissipation department on the casing with high temperature follow this moment, the utility model discloses a setting up of heat dissipation mechanism can dispel the heat fast to the electric element in the reflectometer, increases accurate component's life, improves the use accuracy.
Drawings
Fig. 1 is a schematic structural diagram of a high-precision optical time domain reflectometer according to the present invention;
fig. 2 is an enlarged view of a position a of the high-precision optical time domain reflectometer of the present invention;
fig. 3 is the utility model discloses a mounting panel structure schematic diagram of high accuracy optical time domain reflectometer.
In the figure: the air-blowing fan comprises a shell 1, a cover plate 2, a mounting plate 3, a blowing fan 4, a storage battery 5, a clamping rod 6, a threaded rod 7, a moving plate 8, a limiting rod 9, a strip-shaped heat dissipation port 10, a rotating block 11 and a sealing gasket 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a high-precision optical time domain reflectometer comprises a shell 1, one side of the shell 1 is provided with an opening, one side of the shell 1 is provided with a cover plate 2, one side of the cover plate 2 close to the shell 1 is fixedly connected with a mounting plate 3, the mounting plate 3 is provided with two symmetrically arranged mounting grooves, a blowing fan 4 is fixedly connected in the two mounting grooves, the middle end of the mounting plate 3 is provided with a storage battery 5, the output end of the storage battery 5 is electrically connected with the blowing fan 4, two ends of the cover plate 2 are fixedly connected with clamping rods 6, the shell 1 is provided with clamping grooves corresponding to the clamping rods 6, the outer walls of two sides of the shell 1 are rotatably connected with threaded rods 7, the threaded rods 7 are in threaded sleeve connection with a moving plate 8, one side of the bottom end of the moving plate 8 is fixedly connected with a limiting rod 9, one end of the limiting rod 9 far away from the moving plate 8, be equipped with on the outer wall of casing 1 and blow a plurality of bar thermovents 10 that 4 positions correspond, specific saying, mounting panel 3 on the apron 2 inserts inside casing 1, card 6 card on the apron 2 this moment is gone into the draw-in groove on the casing 1 on corresponding position, rotate threaded rod 7 afterwards and rotate on casing 1, the movable plate 8 of installing on threaded rod 7 this moment will drive gag lever post 9 and insert the spacing inslot on card 6 and realize the fixed of card 6, the realization is installed mounting panel 3 inside casing 1 to the fixed of apron 2, thereby install blowing fan 4 on mounting panel 3 and dispel the heat bar thermovent 10 discharge on casing 1 with high temperature follow casing 1 this moment.
Furthermore, threaded rod 7 keeps away from one of casing 1 and serves fixedly connected with commentaries on classics piece 11, is equipped with anti-skidding line on the commentaries on classics piece 11, is convenient for rotate threaded rod 7.
Further, the plurality of strip-shaped heat dissipation ports 10 are arranged at equal intervals.
Furthermore, one side of the cover plate 2 close to the housing 1 is fixedly connected with a sealing gasket 12 to prevent dust from entering the housing 1.
The working principle is as follows: insert casing 1 inside at first mounting panel 3 on 2 laps, the draw-in groove on the corresponding position on casing 1 is gone into to the card pole 6 card on 2 laps this moment, rotate threaded rod 7 afterwards and rotate on casing 1, the movable plate 8 of installing on threaded rod 7 this moment will drive the gag lever post 9 and insert the spacing inslot on card pole 6 and realize the fixed of card pole 6, the realization is installed mounting panel 3 inside casing 1 to 2 fixed, thereby it dispels the heat to 1 inside bar thermovent 10 of casing 1 with high temperature follow to install the fan 4 of blowing on mounting panel 3 this moment on mounting panel.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A high accuracy optical time domain reflectometer, includes casing (1), its characterized in that: the improved air conditioner is characterized in that one side of the shell (1) is provided with an opening, one side of the shell (1) is provided with a cover plate (2), the cover plate (2) is close to one side of the shell (1) and is fixedly connected with a mounting plate (3), the mounting plate (3) is provided with two symmetrically arranged mounting grooves, two air blowing fans (4) are fixedly connected in the mounting grooves, a storage battery (5) is arranged at the middle end of the mounting plate (3), the output end of the storage battery (5) is electrically connected with the air blowing fans (4), clamping rods (6) are fixedly connected at the two ends of the cover plate (2), clamping grooves corresponding to the clamping rods (6) are arranged on the shell (1), threaded rods (7) are rotatably connected on the outer walls of the two sides of the shell (1), a movable plate (8) is sleeved on the threaded rods (7), and a limiting rod (9) is fixedly, one end of the limiting rod (9) far away from the moving plate (8) penetrates through the shell (1) and extends into the clamping groove, a limiting groove corresponding to the limiting rod (9) is formed in one side of the clamping rod (6), and a plurality of strip-shaped heat dissipation ports (10) corresponding to the blowing fan (4) are formed in the outer wall of the shell (1).
2. A high precision optical time domain reflectometer as in claim 1, wherein: one end of the threaded rod (7) far away from the shell (1) is fixedly connected with a rotating block (11), and anti-skid grains are arranged on the rotating block (11).
3. A high precision optical time domain reflectometer as in claim 1, wherein: the plurality of strip-shaped heat dissipation ports (10) are arranged at equal intervals.
4. A high precision optical time domain reflectometer as in claim 1, wherein: and a sealing gasket (12) is fixedly connected to one side of the cover plate (2) close to the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639061.XU CN212674411U (en) | 2020-08-10 | 2020-08-10 | High-precision optical time domain reflectometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639061.XU CN212674411U (en) | 2020-08-10 | 2020-08-10 | High-precision optical time domain reflectometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212674411U true CN212674411U (en) | 2021-03-09 |
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ID=74821260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639061.XU Active CN212674411U (en) | 2020-08-10 | 2020-08-10 | High-precision optical time domain reflectometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212674411U (en) |
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2020
- 2020-08-10 CN CN202021639061.XU patent/CN212674411U/en active Active
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