Fixing device for installing temperature sensor
By combining the L-shaped mounting bracket with the protective cover and designing the U-shaped baffle, the problem of loose nuts on infrared temperature sensors under vibration and impact is solved, achieving stable sensor fixation and accurate temperature measurement.
Patent Information
- Application Number
- CN202620145949.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-02
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2036-02-02
AI Technical Summary
Existing infrared temperature sensors are prone to nut loosening under vibration and equipment impact, leading to positioning misalignment and detachment, which affects temperature measurement accuracy.
The design employs a combination of an L-shaped mounting bracket and a protective cover. Through the locking of nuts and the design of a limiting cavity, a dual fixation of "locking + anti-rotation" is achieved. Combined with a U-shaped baffle, the sensor head is shielded and protected to prevent interference from dust, water droplets, and strong light.
It effectively prevents nuts from loosening and sensors from shifting, ensuring long-term accurate positioning, resisting external impacts and corrosion, and improving temperature measurement accuracy and reliability.
Smart Images
Figure CN223975798U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of temperature sensor technology, and in particular to a fixing device for mounting a temperature sensor. Background Technology
[0002] Temperature sensors are devices that convert the physical quantity of temperature into a measurable electrical signal. They are widely used in industrial control, home appliances, automobiles, medical fields and other fields. Their core is to use the temperature-sensitive properties of materials to achieve temperature detection. There are many types of temperature sensors, including contact and non-contact types. Among them, infrared temperature sensors are widely used in real-time temperature data acquisition because they have advantages such as non-contact temperature measurement, fast response speed and wide measurement range.
[0003] Existing infrared temperature sensors mostly use a single nut locking or a simple bracket clamping structure. Under complex working conditions such as vibration and equipment operation impact in industrial sites, the nut is prone to loosening or even falling off, causing the sensor to be misaligned and unable to accurately align with the monitoring target, resulting in temperature measurement data deviation.
[0004] Therefore, it is necessary to provide a new mounting device for temperature sensors to solve the above-mentioned technical problems. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides a new fixing device for mounting temperature sensors.
[0006] The temperature sensor mounting and fixing device provided by this utility model includes: an L-shaped mounting bracket and an infrared temperature sensor mounted on the L-shaped mounting bracket. The L-shaped mounting bracket has a strip-shaped mounting opening, and the head of the infrared temperature sensor passes through the strip-shaped mounting opening and is locked to the L-shaped mounting bracket by a nut.
[0007] The L-shaped mounting bracket is fitted with a protective cover. The protective cover has a limiting cavity inside to accommodate a nut, and the inner wall of the limiting cavity abuts against the nut. The inner wall of the limiting cavity has a sliding cavity for the edge of the L-shaped mounting bracket to pass through. The outer side of the protective cover also has a strip-shaped opening that communicates with the limiting cavity.
[0008] The infrared temperature sensor head is equipped with two U-shaped baffles. The two U-shaped baffles are located above the infrared temperature sensor head and shield it for protection. The two U-shaped baffles are respectively installed on both sides of the protective cover and are detachably connected to it.
[0009] Preferably, a gasket is fitted onto the infrared temperature sensor, and the gasket is located between the nut and the L-shaped mounting bracket. A rubber ring is fixedly installed on the side wall of the gasket near the L-shaped mounting bracket.
[0010] Preferably, the bottom of the protective cover abuts against the L-shaped mounting bracket, and the upper inner wall of the limiting cavity is in clearance fit with the L-shaped mounting bracket.
[0011] Preferably, both the lower opening of the limiting cavity and the lower opening of the sliding cavity are chamfered.
[0012] Preferably, a locking knob is threaded onto the outer wall of the protective cover, and the end of the locking knob penetrates the outer wall of the protective cover and extends into the sliding cavity to abut against the L-shaped mounting bracket.
[0013] Preferably, a fixing block is fixedly installed on the side wall of the U-shaped baffle, and a connecting knob is rotatably connected to the fixing block. A connecting hole is opened on the side wall of the protective cover, and the end of the connecting knob is inserted into the connecting hole and threadedly connected to it.
[0014] Preferably, the fixing block is installed at the center line position on both sides of the U-shaped baffle, and the connecting hole is opened at the center line position of the side wall of the protective cover.
[0015] Preferably, both the protective cover and the U-shaped baffle are made of ABS engineering plastic.
[0016] Compared with related technologies, the temperature sensor mounting and fixing device provided by this utility model has the following advantages:
[0017] In this invention, the infrared temperature sensor is directly locked to the L-shaped mounting bracket with a nut. The limiting cavity of the protective cover fits tightly with the nut, restricting the rotation of the nut circumferentially, forming a "locking + anti-rotation" dual fixing structure. This effectively prevents the nut from loosening due to vibration or collision, ensuring that the infrared temperature sensor maintains accurate positioning for a long time without any displacement or detachment. The protective cover covers the nut and the connection between the infrared temperature sensor and the L-shaped mounting bracket, effectively resisting damage to the connection structure from external collisions, chemical corrosion, and dust adhesion. The U-shaped baffles symmetrically form an inverted U-shaped shield, precisely protecting the monitoring end of the infrared temperature sensor head. This not only prevents direct contact with contaminants such as dust, debris, and water droplets, but also avoids interference from direct sunlight on the infrared monitoring accuracy, comprehensively reducing the impact of environmental factors on the sensor. Attached Figure Description
[0018] Figure 1 A schematic diagram of a preferred embodiment of the temperature sensor mounting and fixing device provided by this utility model;
[0019] Figure 2 for Figure 1 The diagram shows the connection structure between the infrared temperature sensor and the L-shaped mounting bracket.
[0020] Figure 3 for Figure 2 The diagram shows the structure of the gasket.
[0021] Figure 4 for Figure 1 The diagram shows the structure of the protective cover.
[0022] Figure 5 for Figure 1 The diagram shows the structure of the U-shaped baffle.
[0023] Figure 6 for Figure 1 The diagram shows the structure when the U-shaped baffle is installed upside down on the protective cover.
[0024] The following are the labels in the diagram: 1. Infrared temperature sensor; 11. Nut; 12. Washer; 13. Rubber ring; 2. L-shaped mounting bracket; 21. Strip mounting opening; 3. Protective cover; 31. Limiting cavity; 32. Sliding cavity; 33. Strip opening; 34. Connecting hole; 35. Locking knob; 4. U-shaped baffle; 41. Fixing block; 42. Connecting knob. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0026] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.
[0027] Please see Figures 1 to 6 This utility model provides a temperature sensor mounting and fixing device, which includes an L-shaped mounting bracket 2 and an infrared temperature sensor 1 mounted on the L-shaped mounting bracket 2. The L-shaped mounting bracket 2 has a strip-shaped mounting opening 21, and the head of the infrared temperature sensor 1 passes through the strip-shaped mounting opening 21 and is locked to the L-shaped mounting bracket 2 by a nut 11. A protective cover 3 is fitted on the L-shaped mounting bracket 2. The protective cover 3 has a limiting cavity 31 inside to accommodate the nut 11, and the inner wall of the limiting cavity 31 abuts against the nut 11. A sliding cavity 32 is provided on the inner wall of the limiting cavity 31 for the edge of the L-shaped mounting bracket 2 to pass through. A strip-shaped opening 33 communicating with the limiting cavity 31 is also provided on the outer side of the protective cover 3. Two U-shaped baffles 4 are installed on the head of the infrared temperature sensor 1. The two U-shaped baffles 4 are located above the head of the infrared temperature sensor 1 and shield it for protection. The two U-shaped baffles 4 are respectively installed on both sides of the protective cover 3 and are detachably connected to it.
[0028] It should be noted that during installation of the infrared temperature sensor 1 in this utility model, the L-shaped mounting bracket 2 is first fixed at a fixed position. Then, the sensor head is passed through the pre-set strip mounting opening 21 of the L-shaped mounting bracket 2 and fixed by the nut 11. The protective cover 3 is inserted along the edge of the L-shaped mounting bracket 2 through the sliding cavity 32. The limiting cavity 31 inside the protective cover 3 precisely accommodates and fits the nut 11. The contact between the inner wall of the limiting cavity 31 and the nut 11 restricts the circumferential rotation of the nut 11, further reinforcing the connection between the infrared temperature sensor 1 and the L-shaped mounting bracket 2. The internal limiting cavity 31 encloses the nut 11 and the connection part between the infrared temperature sensor 1 and the L-shaped mounting bracket 2, which can prevent external collisions and corrosion from damaging the connection structure and avoid the infrared temperature sensor 1 from deviating from its position and falling off due to the loosening of the nut 11 or damage to the connection part. Two U-shaped baffles 4 are symmetrically distributed above the sensor head, forming an inverted U-shaped shielding structure, which can block external pollutants such as dust, debris, and water droplets from directly contacting the monitoring end of the sensor head, while avoiding strong... The impact of direct sunlight on infrared monitoring accuracy; the U-shaped baffle 4 and the protective cover 3 are detachably connected. When the sensor needs maintenance, calibration or replacement, the U-shaped baffle 4 can be removed for convenient operation; the infrared temperature sensor 1 in this utility model is directly locked to the L-shaped mounting bracket 2 by the nut 11. The limiting cavity 31 of the protective cover 3 fits tightly with the nut 11, restricting the rotation of the nut 11 from the circumference, forming a "locking + anti-rotation" double fixing structure, effectively avoiding the loosening of the nut 11 caused by vibration and collision, ensuring that the infrared temperature sensor 1 maintains accurate positioning for a long time without displacement or falling off. The protective cover 3 covers the nut 11 and the connection part between the infrared temperature sensor 1 and the L-shaped mounting bracket 2, which can effectively resist the damage to the connection structure caused by external collision, chemical corrosion and dust adhesion; the U-shaped baffle 4 symmetrically forms an inverted U-shaped shield, accurately protecting the head monitoring end of the infrared temperature sensor 1, which can not only block the direct contact of pollutants such as dust, debris and water droplets, but also avoid strong light interference with the infrared monitoring accuracy, comprehensively reducing the impact of environmental factors on the sensor.
[0029] The infrared temperature sensor 1 is fitted with a gasket 12, which is located between the nut 11 and the L-shaped mounting bracket 2. A rubber ring 13 is fixedly installed on the side wall of the gasket 12 near the L-shaped mounting bracket 2. The gasket 12 (including the rubber ring 13 on one side) fitted on the sensor is located between the nut 11 and the L-shaped mounting bracket 2. The rubber ring 13 fills the gap by elastic compression, which not only enhances the friction after locking and prevents the nut 11 from loosening, but also buffers the pressure during installation and avoids wear on the surface of the L-shaped mounting bracket 2 or the infrared temperature sensor 1.
[0030] In addition, the bottom of the protective cover 3 abuts against the L-shaped mounting bracket 2, and the upper inner wall of the limiting cavity 31 is in clearance fit with the L-shaped mounting bracket 2; thus providing sufficient space for the protective cover 3 to slide along the L-shaped mounting bracket 2.
[0031] Furthermore, the lower opening of the limiting cavity 31 and the lower opening of the sliding cavity 32 are both chamfered; this facilitates the fitting and assembly of the protective cover 3 and prevents sharp edges from scratching the operator.
[0032] The outer wall of the protective cover 3 is threaded with a locking knob 35, and the end of the locking knob 35 passes through the outer wall of the protective cover 3 and extends into the sliding cavity 32 to abut against the L-shaped mounting bracket 2. Tightening the locking knob 35 on the outer wall of the protective cover 3 will cause its end to pass through the sliding cavity 32 and abut against the L-shaped mounting bracket 2, thereby fixing the position of the protective cover 3 by friction and preventing it from sliding along the L-shaped mounting bracket 2.
[0033] It is worth noting that: a fixing block 41 is fixedly installed on the side wall of the U-shaped baffle 4, and a connecting knob 42 is rotatably connected to the fixing block 41. A connecting hole 34 is opened on the side wall of the protective cover 3, and the end of the connecting knob 42 is inserted into the connecting hole 34 and threadedly connected to it; the connecting knob 42 of the U-shaped baffle is screwed into the connecting hole 34 on the side wall of the protective cover 3 and fixed by threaded connection.
[0034] Furthermore, the fixing block 41 is installed at the center line position on both sides of the U-shaped baffle 4, and the connecting hole 34 is opened at the center line position of the side wall of the protective cover 3; if it is necessary to adjust the blocking direction (when the L-shaped mounting bracket 2 is hoisted on the roof), the U-shaped baffle 4 can also be installed in reverse (e.g. Figure 6 As shown in the figure, by changing the opening direction of the U-shaped baffle 4, the protection requirements of different scenarios can be adapted to improve the versatility of the device.
[0035] Both the protective cover 3 and the U-shaped baffle 4 are made of ABS engineering plastic. ABS engineering plastic has excellent mechanical strength and toughness and strong impact resistance. When the device faces external collisions, slight drops or vibrations, the protective cover 3 can effectively resist the impact force and avoid itself from breaking or deforming, thereby continuously wrapping the protective nut 11 and the connection part of the infrared temperature sensor 1. The U-shaped baffle 4 can also maintain the integrity of the structure and will not fail to block due to collisions, ensuring stable protection of the head monitoring end of the infrared temperature sensor 1.
[0036] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.
[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A fixing device for temperature sensor installation, comprising an L-shaped mounting bracket (2) and an infrared temperature sensor (1) mounted on the L-shaped mounting bracket (2), characterized in that: a strip-shaped mounting opening (21) is formed on the L-shaped mounting bracket (2), and the head of the infrared temperature sensor (1) penetrates through the strip-shaped mounting opening (21) and is locked on the L-shaped mounting bracket (2) by a nut (11); a protective cover (3) is sleeved on the L-shaped mounting bracket (2), a limiting cavity (31) for accommodating the nut (11) is formed in the protective cover (3), the inner wall of the limiting cavity (31) abuts against the nut (11), a sliding cavity (32) for the edge of the L-shaped mounting bracket (2) to pass through is formed on the inner wall of the limiting cavity (31), and a strip-shaped opening (33) in communication with the limiting cavity (31) is further formed on the outer side of the protective cover (3); two U-shaped baffles (4) are mounted on the head of the infrared temperature sensor (1), the two U-shaped baffles (4) are located above the head of the infrared temperature sensor (1) and shield and protect the head, and the two U-shaped baffles (4) are respectively mounted on the two sides of the protective cover (3) and detachably connected with the protective cover (3). A gasket (12) is sleeved on the infrared temperature sensor (1), and the gasket (12) is located between the nut (11) and the L-shaped mounting bracket (2), and a rubber ring (13) is fixedly installed on the side wall of the gasket (12) close to the L-shaped mounting bracket (2). The bottom of the protective cover (3) abuts against the L-shaped mounting bracket (2), and the upper end inner wall of the limiting cavity (31) is in clearance fit with the L-shaped mounting bracket (2). The lower end opening of the limiting cavity (31) and the lower end opening of the sliding cavity (32) are both chamfered.
2. The fixing device for temperature sensor installation according to claim 1, characterized by A locking knob (35) is threadedly connected to the outer wall of the protective cover (3), the end of the locking knob (35) penetrates through the outer wall of the protective cover (3) and extends into the sliding cavity (32) to abut against the L-shaped mounting bracket (2).
3. The fixing device for temperature sensor installation according to claim 1, characterized by A fixing block (41) is fixedly installed on the side wall of the U-shaped baffle (4), and a connecting knob (42) is rotatably connected to the fixing block (41), a connecting hole (34) is formed in the side wall of the protective cover (3), and the end of the connecting knob (42) is inserted into the connecting hole (34) and threadedly connected therewith.
4. The fixing device for temperature sensor installation according to claim 1, characterized by The fixing block (41) is mounted at the middle line position of the two sides of the U-shaped baffle (4), and the connecting hole (34) is formed at the middle line position of the side wall of the protective cover (3).
5. The fixing device for temperature sensor installation according to claim 1, characterized by The protective cover (3) and the U-shaped baffle (4) are both made of ABS engineering plastic.
6. The fixing device for temperature sensor installation according to claim 1, characterized by 7. The fixing device for temperature sensor installation according to claim 6, characterized by 8. The fixing device for temperature sensor installation according to claim 1, characterized by