CN213714574U

CN213714574U - Fluorescence optical fiber thermometer

Info

Publication number: CN213714574U
Application number: CN202023144385.9U
Authority: CN
Inventors: 张文松; 刘倩; 屈衍衍
Original assignee: XI'AN HEQI OPTO-ELECTRONIC TECHNOLOGY CO LTD
Current assignee: XI'AN HEQI OPTO-ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-16
Anticipated expiration: 2030-12-23

Abstract

The utility model provides a fluorescence optic fibre thermoscope solves current temperature sensing module and PCB board mounting means, has the installation and dismantles the problem that the process is comparatively loaded down with trivial details, the hot plug leads to temperature sensing module to damage. The temperature measuring instrument comprises a temperature measuring instrument mainboard, a temperature sensing module, an SFP socket and a limiting plate; the SFP socket is fixed on the thermometer mainboard, and the front side surface of the SFP socket is provided with a slot; the rear end of the temperature sensing module is provided with a golden finger structure matched with the slot, and the front end of the temperature sensing module is provided with an optical fiber connector; the temperature sensing module is located on the thermometer mainboard, the golden finger structures are inserted into the slots, the lower portion of the limiting plate is fixedly connected with the end face of the thermometer mainboard, and the upper portion of the limiting plate is sleeved on the optical fiber connector and limited through the front end face of the temperature sensing module.

Description

Fluorescence optical fiber thermometer

Technical Field

The utility model relates to a fluorescence optic fibre temperature measurement system especially relates to a fluorescence optic fibre thermoscope.

Background

The temperature sensing module is a core component of the fluorescence optical fiber temperature measurement system and mainly used for converting optical signals into electric signals. The temperature sensing module integrates the functions of receiving and sending optical signals, coupling optical paths, transmitting sampling data and the like, and the singlechip outputs the temperature after AD sampling, so the performance and the stability of the temperature sensing module directly influence the precision of optical fiber temperature measurement.

At present, the temperature sensing module of fluorescence optic fibre thermoscope installs on the PCB board, and both adopt the mode of contact pin and socket cartridge to use the screw fastening, but there is following defect in current temperature sensing module and PCB board mounting means:

1. a socket is arranged on the upper surface of the PCB, a contact pin is arranged on the lower surface of the temperature sensing module, the contact pin and the socket are matched in a vertical insertion mode, certain space needs to be reserved for installation and disassembly of the contact pin and the socket, or the temperature sensing module can be disassembled only by disassembling the whole machine during disassembly;

2. screw fastening and socket are located two upper and lower surfaces of PCB board respectively, and in the dismantlement in-process, need demolish a surperficial screw of PCB board earlier after, the PCB board is overturned, demolishs the socket on another surface again for the dismantlement process is comparatively loaded down with trivial details.

3. The temperature sensing module and the PCB are connected in a plugging mode, hot plugging cannot be carried out, and the temperature sensing module can be damaged due to hot plugging.

SUMMERY OF THE UTILITY MODEL

In order to solve current temperature sensing module and PCB board mounting means, have the installation and dismantle the technical problem that the process is comparatively loaded down with trivial details, the hot plug leads to temperature sensing module to damage, the utility model provides a fluorescence optic fibre thermoscope.

In order to achieve the above purpose, the utility model provides a technical scheme is:

a fluorescence optical fiber thermometer is characterized in that: the temperature measuring instrument comprises a temperature measuring instrument mainboard, a temperature sensing module, an SFP socket and a limiting plate;

the SFP socket is fixed on the thermometer mainboard, and the front side surface of the SFP socket is provided with a slot;

the rear end of the temperature sensing module is provided with a golden finger structure matched with the slot, and the front end of the temperature sensing module is provided with an optical fiber connector;

the temperature sensing module is located on the thermometer mainboard, the golden finger structure is inserted into the slot, the lower portion of the limiting plate is fixedly connected with the end face of the thermometer mainboard, and the upper portion of the limiting plate is sleeved on the optical fiber connector and limited through the front end face of the temperature sensing module.

The temperature sensor module further comprises a guide limiting assembly, wherein the guide limiting assembly comprises 2 guide plates which are vertically arranged on the thermometer mainboard and are vertical to the limiting plate, and a temperature sensing module installation channel is formed between the 2 guide plates;

the rear ends of the 2 guide plates are bent towards one side of the installation channel and used for limiting the rear end face of the temperature sensing module.

Further, the guide plate is a metal guide plate.

Furthermore, the SFP socket and the guide plate are fixed on the main board of the temperature measuring instrument in a welding mode.

The temperature measuring instrument further comprises a guide limiting assembly which is a shielding cover arranged on the temperature measuring instrument mainboard and positioned between the SFP socket and the limiting plate;

the shielding cover is sleeved on the temperature sensing module, the front end of the shielding cover is provided with an opening for the temperature sensing module to pass through, and the rear end of the shielding cover is provided with a through hole for the golden finger structure to pass through.

Further, the shape of the shielding case is matched with the shape of the temperature sensing module.

Further, the shielding cover is of a thin-wall metal cover structure.

Furthermore, the SFP socket and the shielding case are fixed on the main board of the temperature measuring instrument in a welding mode.

Compared with the prior art, the utility model has the advantages that:

1. the utility model adopts the connecting mode of the golden finger and the SFP socket to replace the original connecting mode of the contact pin and the socket, and changes the vertical insertion into the horizontal insertion, and the inserting mode is simple; and the positioning of the temperature sensing module is realized through the SFP socket and the limiting plate, the traditional screw fixing mode is replaced, the temperature sensing module is convenient to install, and the field replacement can be realized without using tools.

2. The utility model discloses temperature sensing module adopts the pin definition of golden finger for the precedence of electricity is gone up to the different function feet of temperature sensing work is distinguished to some extent, has guaranteed that temperature sensing module can the hot plug use under the electrified condition of socket, has made things convenient for the maintenance of system.

3. The utility model discloses the thermoscope still is equipped with the deflector, provides direction and positioning action for the removal of temperature sensing module.

4. The utility model discloses the thermoscope still is equipped with the shield cover, and the shield cover can be realized surrounding temperature sensing module is whole, when the direction and the positioning action that realize temperature sensing module, has still played the shielding effect, has increased temperature sensing module's anti-electromagnetic interference ability, improves the temperature measurement accuracy.

5. The SFP socket and the temperature sensing module of the utility model adopt plug connection, when the temperature sensing module is replaced in the horizontal direction, only the limiting plate needs to be detached, and the replacement is convenient; and the temperature sensing module is replaced on the application site without power failure, and hot plug replacement can be carried out.

Drawings

FIG. 1 is a first schematic structural diagram of a first embodiment of the fluorescence optical fiber thermometer of the present invention;

fig. 2 is a schematic diagram of a second top view structure of a first embodiment of the fluorescent optical fiber thermometer (rotated 90 ° counterclockwise, without showing a limiting plate);

FIG. 3 is a schematic structural view of a second embodiment of the fluorescence optical fiber thermometer of the present invention;

FIG. 4 is a schematic structural view of a shield cover in a second embodiment of the fluorescence optical fiber temperature measuring device of the present invention;

wherein the reference numbers are as follows:

1-a temperature sensing module, 11-an optical fiber connector, 2-a guide plate, 3-an SFP socket, 4-a limiting plate, 5-a thermometer mainboard, 6-a shielding cover, 61-an upper cover plate, 62-a rear cover plate, 621-a through hole and 63-an opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

As shown in fig. 1 and 2, the utility model relates to a fluorescence optic fibre thermoscope, including thermoscope mainboard 5, temperature sensing module 1, the spacing subassembly of direction, SFP socket 3 and limiting plate 4.

The SFP socket 3 is welded on the thermometer mainboard 5 and used for positioning the temperature sensing module 1, and a slot is arranged on the front side surface (the end surface matched with the temperature sensing module 1) of the SFP socket 3. An SFP jack is an interface device that converts gigabit electrical signals into optical signals.

The rear end of the temperature sensing module 1 is provided with a golden finger structure matched with the slot, the front end of the temperature sensing module 1 is provided with an optical fiber connector 11, the temperature sensing module 1 is positioned on the thermometer mainboard 5, and the golden finger structure is inserted into the slot;

the lower part of the limiting plate 4 is fixedly connected with the end face of the thermometer mainboard 5, and the upper part of the limiting plate 4 is sleeved on the optical fiber connector 11 and is limited by the front end face of the temperature sensing module 1.

The guiding and limiting assembly comprises 2 guide plates 2 vertically welded on the thermometer main board 5 and perpendicular to the limiting plate 4, a temperature sensing module 1 mounting channel is formed among the 2 guide plates 2, the guide plates 2 are metal guide plates, and when the temperature sensing module 1 moves in the mounting channel, the 2 guide plates 2 provide a guiding effect for the movement of the temperature sensing module 1; meanwhile, the rear ends of the 2 guide plates 2 are bent towards one side of the installation channel and used for positioning the rear end face of the temperature sensing module 1, and when the rear end face of the temperature sensing module 1 is positioned and the rear ends of the guide plates 2 are bent, the golden finger structure is just inserted into the slot of the SFP socket 3.

The connecting of this embodiment thermoscope mainboard 5 and temperature sensing module 1 adopts golden finger and the plug mode of SFP socket 3, replaces original contact pin and socket connected mode to change perpendicular cartridge into horizontal plug, guarantee that temperature sensing module 1 can the hot plug use under the electrified condition of socket, made things convenient for the maintenance of system.

The guide limiting assembly realizes the guide and the positioning of the temperature sensing module 1, replaces the existing screw fixing mode, facilitates the installation of the temperature sensing module 1, and can realize field replacement without using tools.

The SFP socket 3 is widely applied to the optical communication industry to realize the plug installation of the SFP optical module, and in the embodiment, the SFP socket 3 is applied to the temperature sensing module 1, so that the advantage of convenient plug is inherited, and the temperature sensing module 1 is extremely convenient to replace on site.

Example two

The difference from the first embodiment is that: as shown in fig. 3 and 4, the guiding and limiting component is a shielding case 6, and the shielding case 6 is arranged on the thermometer mainboard 5 and is located between the SFP socket 3 and the limiting plate 4;

the shielding cover 6 is assembled and installed through the left cover plate, the right cover plate, the rear cover plate 62 and the upper cover plate 61 to form a thin-wall metal cover structure, and the appearance of the shielding cover 6 is matched with that of the temperature sensing module 1; an installation channel of the temperature sensing module 1 is formed among the left cover plate, the upper cover plate 61 and the right cover plate, an opening 63 for the temperature sensing module 1 to pass through is formed at the front ends of the left cover plate, the upper cover plate 61 and the right cover plate, and a through hole 621 for the golden finger structure to pass through is formed in the rear cover plate 62; the temperature sensing module 1 enters the shielding case 6 from the opening 63 of the shielding case 6, and is limited by the rear end face of the shielding case 6, and the left cover plate and the right cover plate provide a guiding function for the movement of the temperature sensing module 1.

The shielding case 6 of the embodiment can fully surround the temperature sensing module 1, and has the shielding effect while realizing the guiding and positioning effects of the temperature sensing module 1, so that the anti-electromagnetic interference capability of the temperature sensing module 1 is improved, and the temperature measurement accuracy is improved.

The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention.

Claims

1. A fluorescent fiber optic thermometer, characterized by: the temperature measuring device comprises a temperature measuring instrument mainboard (5), a temperature sensing module (1), an SFP socket (3) and a limiting plate (4);

the SFP socket (3) is fixed on the thermometer mainboard (5), and the front side surface of the SFP socket (3) is provided with a slot;

the rear end of the temperature sensing module (1) is provided with a golden finger structure matched with the slot, and the front end of the temperature sensing module is provided with an optical fiber connector (11);

the temperature sensing module (1) is located on the thermometer mainboard (5), the golden finger structure is inserted into the slot, the lower portion of the limiting plate (4) is fixedly connected with the end face of the thermometer mainboard (5), and the upper portion of the limiting plate (4) is sleeved on the optical fiber connector (11) and is limited through the front end face of the temperature sensing module (1).

2. The fluorescent fiber thermometer of claim 1 wherein: the temperature sensor is characterized by further comprising a guiding and limiting assembly, wherein the guiding and limiting assembly comprises 2 guide plates (2) which are vertically arranged on the thermometer main board (5) and are perpendicular to the limiting plate (4), and a temperature sensing module (1) installation channel is formed between the 2 guide plates (2);

the rear ends of the 2 guide plates (2) are bent towards one side of the installation channel and used for limiting the rear end face of the temperature sensing module (1).

3. The fluorescent fiber thermometer of claim 2 wherein: the guide plate (2) is a metal guide plate.

4. The fluorescent fiber thermometer of claim 3 wherein: the SFP socket (3) and the guide plate (2) are fixed on the thermometer main board (5) in a welding mode.

5. The fluorescent fiber thermometer of claim 1 wherein: the temperature measuring instrument further comprises a guide limiting component which is a shielding cover (6) arranged on the temperature measuring instrument main board (5) and positioned between the SFP socket (3) and the limiting plate (4);

the temperature sensing module (1) is sleeved with the shielding case (6), an opening (63) for the temperature sensing module (1) to pass through is formed in the front end of the shielding case (6), and a through hole (621) for the golden finger structure to pass through is formed in the rear end of the shielding case (6).

6. The fluorescent fiber thermometer of claim 5 wherein: the shape of the shielding case (6) is matched with the shape of the temperature sensing module (1).

7. The fluorescent fiber thermometer of claim 6 wherein: the shielding cover (6) is of a thin-wall metal cover structure.

8. The fluorescent fiber thermometer of claim 7 wherein: the SFP socket (3) and the shielding case (6) are fixed on the thermometer mainboard (5) in a welding mode.