Distributed optical fiber linear temperature sensing detector

By improving the signal line plug-in structure and equipment adjustment mechanism, the inconvenience of operation and user experience of traditional fiber optic linear temperature detectors have been solved, thereby improving the stability and safety of the equipment.

CN224581035UActive Publication Date: 2026-07-31SHENZHEN SHENBAO ELECTRONIC METER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN SHENBAO ELECTRONIC METER CO LTD
Filing Date
2025-04-30
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Traditional distributed fiber optic linear temperature detectors are inconvenient to operate during signal line insertion and removal, easily damaging the connector structure, affecting the stability and efficiency of equipment operation, and the fixed installation of the probe cannot be dynamically adjusted, resulting in a poor user experience.

Method used

The device employs a spherical retainer and a sliding housing structure, enabling effortless insertion and removal of signal cables through support springs and sealing balls; an adjustment mechanism allows the device display screen to tilt dynamically, reducing the need for users to bend over; and the addition of a cooling fan, anti-slip pads, and dust covers improves the stability and reliability of the device.

Benefits of technology

It simplifies the process of plugging and unplugging signal cables, reduces operational difficulty, decreases the risk of equipment damage, improves user experience and equipment stability, reduces maintenance costs, and enhances equipment efficiency and security.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a distributed fiber optic linear temperature sensor, relating to the field of fiber optic equipment and facilities technology. It includes a metal housing, a bolted housing fixed to the bottom of the metal housing, a signal port fixed inside the bolted housing, the bottom of the signal port electrically connected to the inside of the metal housing, a spherical retainer fixed to the upper end of the signal port, a limit ring slidably connected inside the bolted housing, a sliding housing fixed to the inner wall of the limit ring, the outer wall of the sliding housing slidably connected to the inner wall of the bolted housing, a support spring fixed to the bottom of the sliding housing, the bottom of the support spring fixedly connected to the inside of the bolted housing, a sealing ball slidably connected inside the spherical retainer, and a signal probe detachably connected inside the spherical retainer via the sealing ball. The signal probe has an arc groove on its surface. To address this problem, this utility model uses a fixing device, thereby making it easier for users to plug and unplug signal cables, improving the user experience.
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Description

Technical Field

[0001] This utility model relates to the field of optical fiber equipment and facilities technology, and in particular to a distributed optical fiber linear temperature sensor. Background Technology

[0002] In the fields of industrial automation and intelligent manufacturing, a wide range of high-precision, high-performance automated equipment and robots are widely used. The electronic control systems of these devices have extremely high requirements for heat dissipation performance. Distributed fiber optic linear temperature detectors can provide reliable heat dissipation for industrial automation equipment, ensuring the stability of the equipment under long-term, high-load operation, reducing equipment failures and downtime caused by overheating, improving production efficiency and product quality, and meeting the needs of industrial automation and intelligent manufacturing development.

[0003] In existing technologies, traditional distributed fiber optic linear temperature detectors often encounter significant obstacles when signal lines need to be plugged in or unplugged. The tightness of the signal line connectors far exceeds reasonable limits, making the unplugging process extremely difficult. Operators need to expend considerable effort and time to barely complete the unplugging action. Moreover, the forced plugging and unplugging process can easily damage the internal structure of the connector, such as deforming the metal contacts or cracking the plastic shell. This damage may not only cause unstable signal transmission but may even lead to the failure of the entire detector, greatly affecting the normal operation and efficiency of the equipment, and increasing maintenance costs and usage risks. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a distributed fiber optic linear temperature sensor.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a distributed fiber optic linear temperature sensor, comprising a metal housing, a bolted housing fixed to the bottom of the metal housing, a signal port fixed inside the bolted housing, the bottom of the signal port electrically connected to the inside of the metal housing, a spherical retainer fixed to the upper end of the signal port, a limit ring slidably connected inside the bolted housing, a sliding housing fixed to the inner wall of the limit ring, the outer wall of the sliding housing slidably connected to the inner wall of the bolted housing, a support spring fixed to the bottom of the sliding housing, the bottom of the support spring fixedly connected to the inside of the bolted housing, a sealing ball slidably connected inside the spherical retainer, a signal probe detachably connected inside the spherical retainer via the sealing ball, an arc groove formed on the surface of the signal probe, and the bottom of the signal probe electrically connected to the upper end of the signal port.

[0006] Preferably, a fixed base is fixed to the bottom of the metal casing, and U-shaped bends are rotatably connected to both sides of the fixed base. A rotating shaft is fixed to the bottom of the fixed base, and a support base is rotatably connected to the surface of the rotating shaft. An adjustment groove is provided at the upper end of the support base. In the prior art, traditional distributed fiber optic linear temperature detectors have significant limitations in structural design and functional application. Due to the fixed installation method of its probe and grating array, the tilt angle of the device has no dynamic adjustment capability. This means that in actual use, users often need to frequently bend over to check the status of the device. Especially in scenarios with complex installation environments, low detector placement, or the need for regular inspections, operators are prone to lumbar muscle strain due to prolonged bending and leaning posture, increasing the risk of occupational diseases and significantly negatively impacting work efficiency and user experience. To address this problem, this utility model adds an adjustment mechanism. When using the device, the user places the U-shaped bend into the adjustment groove according to their own height, thereby tilting the display screen upwards. The user can then check the data without bending over or even squatting, thus improving the user experience.

[0007] Preferably, the fixed base has a circular groove inside, and a cooling fan is fixed inside the circular groove. The operation of the cooling fan can accelerate the airflow in the circular groove and quickly dissipate the heat generated by the fixed base and the components connected to it during operation. This can effectively reduce the operating temperature of the equipment and avoid the occurrence of equipment performance degradation, frequent failures or even damage due to high temperature, thereby extending the service life of the equipment.

[0008] Preferably, the bottom of the support base is fixed with an anti-slip pad, and multiple anti-slip pads are distributed in an array. The anti-slip pads are tightly integrated with the support base. By increasing the friction with the placement surface, the anti-slip pads effectively prevent the equipment from accidentally sliding or shifting during operation. The array of multiple anti-slip pads can evenly distribute the weight of the equipment, improve the balance and stability of the equipment, and ensure that the equipment can be placed stably under various operating conditions.

[0009] Preferably, a dust cover is detachably connected to the surface of the metal casing. The dust cover can fit tightly against the surface of the metal casing to form a physical barrier, effectively preventing dust, particles and other foreign objects from entering the equipment. This can prevent problems such as short circuits and component failures caused by dust accumulation, thereby improving the reliability and stability of the equipment.

[0010] Preferably, the surface of the rotating shaft is provided with engaging teeth, which can act as a limiting device to prevent the rotating shaft from rotating beyond a preset rotation range during user operation, thereby avoiding equipment damage or operational errors caused by excessive rotation. This provides additional protection for the safe operation of the equipment and reduces operational risks.

[0011] Preferably, a button is slidably connected to the bottom of the metal casing, and the surface of the button is covered with a rubber sleeve. Compared with the bare metal button, the surface of the button covered with a rubber sleeve is smoother and softer, providing users with a comfortable tactile experience, reducing discomfort to the fingers when pressing, and increasing the user's experience with the device.

[0012] Beneficial effects 1. In existing technologies, traditional distributed fiber optic linear temperature detectors present significant operational inconveniences during signal line insertion and removal. Whenever signal line insertion or removal is required, operators often encounter considerable obstacles. The tightness of the signal line connectors far exceeds reasonable limits, making the removal process extremely difficult. Operators need to expend considerable effort and time to barely complete the removal, and the forced insertion or removal process easily damages the internal structure of the connector, such as deforming the metal contacts or cracking the plastic shell. This damage can not only cause signal transmission instability but may even lead to the malfunction of the entire detector, greatly affecting the normal operation and efficiency of the equipment, increasing maintenance costs and operational risks. To address these issues, this utility model employs a fixing device. When the user needs to insert the signal line, the user aligns the signal probe, which is fixed to the signal line, into the spherical fixing device. Simultaneously, the other hand pushes the sliding housing inward until it disengages from the spherical retainer, allowing the sealing ball to move outward. At this point, the user pushes the signal probe in to connect it to the signal port. Then, the user releases the other hand, allowing the sliding housing to be pushed back to its original position by the support spring. This forces the sealing ball to lock onto the arc groove on the surface of the signal probe, thus completing the insertion of the signal cable. When the user needs to unplug the signal cable, they simply push the sliding housing in again to release the sealing ball from the pressure of the sliding housing, allowing the signal cable to be unplugged. This makes plugging and unplugging the signal cable easier and improves the user experience.

[0013] 2. In existing technologies, traditional distributed fiber optic linear temperature detectors have significant limitations in structural design and functional application. Due to the fixed installation of their probes and grating arrays, the tilt angle of the device lacks dynamic adjustment capability. This forces users to frequently bend over to check the device's status during actual use. Especially in complex installation environments, low-lying detector placement, or scenarios requiring regular inspections, operators are prone to lower back muscle strain due to prolonged bending and leaning postures, increasing the risk of occupational diseases and significantly negatively impacting work efficiency and user experience. To address this issue, this invention adds an adjustment mechanism. When using the device, the user adjusts the curved tube by placing it into the adjustment slot according to their own height, tilting the display screen upwards. This allows the user to view data without bending over or even squatting, thus improving the user experience. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the heat dissipation structure of this utility model; Figure 3 This is a schematic diagram of the bottom structure of this utility model; Figure 4 This is a schematic diagram of the fixing structure of this utility model.

[0015] Legend: 1. Metal casing; 2. Bolted casing; 201. Signal port; 202. Support spring; 203. Limiting ring; 204. Sliding casing; 205. Spherical retainer; 206. Sealing ball; 207. Signal probe; 3. Fixed base; 301. U-shaped bend; 302. Rotating shaft; 303. Support base; 304. Adjustment groove; 4. Cooling fan. Detailed Implementation

[0016] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation plan without creative effort are all within the protection scope of this utility model.

[0017] The specific embodiments of this utility model are described below with reference to the accompanying drawings. Specific implementation examples: Reference Figure 1-4A distributed fiber optic linear temperature detector includes a metal housing 1, a bolted housing 2 fixed to the bottom of the metal housing 1, a signal port 201 fixed inside the bolted housing 2, the bottom of the signal port 201 electrically connected to the inside of the metal housing 1, a spherical retainer 205 fixed to the upper end of the signal port 201, a limit ring 203 slidably connected inside the bolted housing 2, a sliding housing 204 fixed to the inner wall of the limit ring 203, the outer wall of the sliding housing 204 slidably connected to the inner wall of the bolted housing 2, a support spring 202 fixed to the bottom of the sliding housing 204, the bottom of the support spring 202 fixedly connected to the inside of the bolted housing 2, a sealing ball 206 slidably connected inside the spherical retainer 205, and a signal probe 207 detachably connected inside the spherical retainer 205 through the sealing ball 206, an arc groove on the surface of the signal probe 207, and the bottom of the signal probe 207 electrically connected to the upper end of the signal port 201. In the prior art, traditional distributed fiber optic linear temperature detectors have obvious operational inconveniences in the signal line insertion and removal process. When signal cable insertion or removal is required, operators often encounter significant obstacles. The tightness of the signal cable connectors far exceeds reasonable limits, making removal extremely difficult. Operators need to expend considerable effort and time to barely complete the removal, and this forced insertion or removal can easily damage the internal structure of the connector, such as deforming the metal contacts or cracking the plastic casing. This damage can not only cause signal instability but may even lead to malfunction of the entire detector, greatly affecting the normal operation and efficiency of the equipment, increasing maintenance costs and operational risks. To address these issues, this invention employs a fixing device. When the user needs to insert the signal cable, they align the signal probe 207, which is fixed to the signal cable, with the ball-shaped retainer 205, while simultaneously using their other hand to push the sliding housing 204 inward. The user pushes the sliding housing 204 in until it disengages from the ball retainer 205, allowing the sealing ball 206 to move outward. At this point, the user pushes the signal probe 207 in, connecting it to the signal port 201. The user then releases their other hand, allowing the sliding housing 204 to be pushed back to its original position by the support spring 202. This pushes the sealing ball 206 to lock onto the arc groove on the surface of the signal probe 207, thus completing the insertion of the signal cable. When the user needs to unplug the signal cable, they simply push the sliding housing 204 in again, allowing the sealing ball 206 to disengage from the pressure of the sliding housing 204. The signal cable can then be unplugged. This makes plugging and unplugging the signal cable easier and improves the user experience.

[0019] The metal casing 1 has a fixed base 3 at its bottom. The fixed base 3 has a U-shaped bend 301 rotatably connected to both sides. The fixed base 3 has a fixed rotating shaft 302 at its bottom. The rotating shaft 302 has a rotatably connected support base 303 on its surface. The support base 303 has an adjustment groove 304 at its upper end. The fixed base 3 has a circular groove inside. The circular groove has a cooling fan 4 fixed inside. The support base 303 has an anti-slip pad at its bottom. Multiple anti-slip pads are arranged in an array. The surface of the metal casing 1 is detachably connected to a dust cover. The rotating shaft 302 has meshing teeth on its surface. The bottom of the metal casing 1 has a button that slides on it.

[0020] The working principle of this utility model is as follows: When a user needs to insert a signal cable, the user aligns the signal probe 207, which is fixed to the signal cable, with the ball retainer 205. At the same time, the user pushes the sliding housing 204 inward with the other hand until the sliding housing 204 disengages from the ball retainer 205, allowing the sealing ball 206 to move outward. At this point, the user pushes the signal probe 207 in, connecting it to the signal port 201. Then, the user releases the other hand, allowing the sliding housing 204 to be pushed back to its original position by the support spring 202, thereby squeezing the sealing ball 206 to lock it against the arc groove on the surface of the signal probe 207, thus completing the insertion of the signal cable. When the user needs to unplug the signal cable, they simply push the sliding housing 204 in with their hand, allowing the sealing ball 206 to disengage from the squeezing of the sliding housing 204, at which point the signal cable can be unplugged. This makes plugging and unplugging the signal cable easier for the user, improving the user experience.

[0021] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. Distributed optical fiber linear heat detector comprising a metal casing (1), characterized in that: A bolted outer shell (2) is fixed to the bottom of the metal outer shell (1). A signal port (201) is fixed inside the bolted outer shell (2). The bottom of the signal port (201) is electrically connected to the inside of the metal outer shell (1). A ball-shaped retainer (205) is fixed to the upper end of the signal port (201). A limit ring (203) is slidably connected inside the bolted outer shell (2). A sliding outer shell (204) is fixed to the inner wall of the limit ring (203). The outer wall of the sliding outer shell (204) is connected to the inner wall of the bolted outer shell (2). The sliding connection is provided. A support spring (202) is fixed at the bottom of the sliding housing (204). The bottom of the support spring (202) is fixedly connected to the inside of the bolted housing (2). A sealing ball (206) is slidably connected inside the spherical retainer (205). A signal probe (207) is detachably connected inside the spherical retainer (205) through the sealing ball (206). An arc groove is provided on the surface of the signal probe (207). The bottom of the signal probe (207) is electrically connected to the upper end of the signal port (201).

2. The distributed optical fiber linear heat detector of claim 1, wherein: The metal shell (1) is fixed with a fixed base (3) at the bottom. The fixed base (3) is rotatably connected with a U-shaped bend (301) on both sides. The fixed base (3) is fixed with a rotating shaft (302) at the bottom. The rotating shaft (302) is rotatably connected with a support base (303) on its surface. The support base (303) has an adjustment groove (304) at its upper end.

3. The distributed optical fiber linear heat detector of claim 1, wherein: The fixed base (3) has a circular groove inside, and a cooling fan (4) is fixed inside the circular groove.

4. The distributed optical fiber linear heat detector of claim 2, wherein: The bottom of the support base (303) is fixed with anti-slip pads, and multiple anti-slip pads are distributed in an array.

5. The distributed optical fiber linear heat detector of claim 1, wherein: The surface of the metal casing (1) is detachably connected to a dust cover.

6. The distributed optical fiber linear heat detector of claim 2, wherein: The rotating shaft (302) has meshing teeth on its surface.

7. The distributed optical fiber linear heat detector of claim 1, wherein: A button is slidably connected to the bottom of the metal casing (1), and the surface of the button is covered with a rubber sleeve.