Temperature sensor protection structure
The design of multi-layer protective sleeves and sealing plates solves the problem of easy damage to the metal probe of temperature sensors during transportation and storage, achieving all-round protection for the sensors and extending their service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-27
AI Technical Summary
Existing temperature sensors often have their metal probes exposed during transportation and storage, making them susceptible to damage and external interference, which can affect their lifespan.
The system employs a protective structure consisting of a first protective sleeve, a second protective sleeve, and a third protective sleeve. Combined with a rotating shaft, a movable fixing ring, a sealing plate, and a heat insulation layer, the sensor is protected in all directions through the expansion and contraction of the multiple protective sleeves and the buffering effect of the sealing plate.
It effectively avoids the impact of external interference on the sensor, protects the sensor from mechanical vibration and chemical corrosion, and extends the service life of the sensor.
Smart Images
Figure CN224051453U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to temperature sensor technical field, concretely relates to a temperature sensor protection structure. BACKGROUND
[0002] A temperature sensor is a device that can sense temperature and convert it into a usable output signal. These output signals are usually electrical signals, such as changes in voltage, current, or resistance, which are convenient for subsequent processing, display, or control. Temperature sensors achieve the conversion of non-electric quantities (temperature) to electric quantities through their unique sensitive elements, and are an important bridge between modern information technology and industrial control. The existing temperature sensor is composed of a shell, a junction box, a wiring port, a metal probe rod and other structures. Temperature sensors may face various external disturbances during experiments or actual applications, such as mechanical vibration, temperature change, chemical corrosion, etc. Protective structures such as protective sleeves or protective covers can provide physical isolation for the sensor, block external interference, reduce the impact of mechanical vibration and chemical corrosion, and thus protect the sensor from damage. During storage, the metal probe rod of the sensor is easily exposed to the air, and water, dust or chemicals may enter the sensor, causing damage. During transportation, the probe may be damaged due to collisions.
[0003] In summary, the existing technology has the problem of easy damage to the metal probe rod during transportation and storage, and the sensor's lifespan is affected by external interference. SUMMARY
[0004] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] The utility model discloses a temperature sensor protection structure can the problem of the existing technology in the process of transportation and storage that metal probe is exposed to the outside and is easy to damage, is easy to be influenced by outside interference and affects sensor life.
[0006] Optionally, the fixing ring is welded at the lower end of the junction box, the outer side of the sensor body is a spiral structure, and the spiral structure on the inner side of the inner ring is matched.
[0007] Optionally, the inner ring of the sealing plate is matched with the outer ring of the third protection sleeve, the other side of the spring is connected with the inner top of the first protection sleeve, and the sealing plate can move up and down.
[0008] Optionally, the first fixing ring is arranged on the bottom of the sealing plate and above the bottom of the first protection sleeve, the first fixing ring is fixed to the outer side of the second protection sleeve, the second fixing ring is arranged on the inner side of the second protection sleeve, and the second fixing ring is fixed to the upper half 1 / 4 of the third protection sleeve.
[0009] Optionally, the second fixing ring and the first fixing ring are rubber rings.
[0010] Optionally, four sliding blocks are arranged on the side surface of the third protection sleeve above the second fixing ring, and the sliding blocks are matched with sliding grooves on the inner side of the second protection sleeve.
[0011] Optionally, the first protection sleeve, the second protection sleeve and the third protection sleeve are respectively provided with a first temperature insulation layer, a second temperature insulation layer and a third temperature insulation layer.
[0012] Optionally, the first temperature insulation layer, the second temperature insulation layer and the third temperature insulation layer are made of polyurethane elastomer or silica gel material.
[0013] Optionally, the sealing cover is an elastic rubber cover, and the bottom of the sealing cover is provided with a buffer layer.
[0014] In conclusion, the utility model has at least one beneficial effect as follows:
[0015] The utility model discloses a temperature sensor protection structure, including fixed ring, sensor body, probe, first protective sleeve, second protective sleeve, fixed plate, locking cover, rotating shaft, inner ring, sealing plate, spring, first temperature insulation layer, first fixed ring, second temperature insulation layer, sliding slot, second fixed ring, third temperature insulation layer, sliding block, fixed lug, movable fixed ring.
[0016] The utility model discloses a temperature sensor protection structure, including fixed ring, sensor body, probe, first protective sleeve, second protective sleeve, fixed plate, locking cover, rotating shaft, inner ring, sealing plate, spring, first temperature insulation layer, first fixed ring, second temperature insulation layer, sliding slot, second fixed ring, third temperature insulation layer, sliding block, fixed lug, movable fixed ring. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to make the technical scheme of the embodiments of the utility model or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0018] Figure 1 It is the whole structure schematic diagram of a temperature sensor protection structure of the utility model;
[0019] Figure 2 It is the protection structure section view of a temperature sensor protection structure of the utility model;
[0020] Figure 3 It is the temperature sensor structure schematic diagram of a temperature sensor protection structure of the utility model;
[0021] Figure 4 It is the third protective sleeve outside structure schematic diagram of a temperature sensor protection structure of the utility model;
[0022] List of figure mark:1, junction box;2, fixed ring;3, sensor body;4, probe;5, first protective sleeve;6, second protective sleeve;7, third protective sleeve;8, fixed plate;9, locking cover;10, rotating shaft;11, inner ring;12, sealing plate;13, spring;14, first temperature insulation layer;15, first fixed ring;16, second temperature insulation layer;17, sliding slot;18, second fixed ring;19, third temperature insulation layer;20, sliding block;21, fixed lug;22, movable fixed ring. IMPLEMENTATION
[0023] The following will be combined with the drawings of the utility model Figures 1-4 The utility model further is explained in detail.
[0024] Embodiment one, refer to Figures 1-4The utility model discloses a temperature sensor protection structure, including first protective sleeve 5, second protective sleeve 6 and third protective sleeve 7, the third protective sleeve 7 below is fixed with two fixed plate 8 through the rotation axis 10 and will lock cover 9 fixed in the downside of third protective sleeve 7, and the movable fixed ring 22 is installed on fixed plate 8, and the fixed lug 21 of movable fixed ring 22 is adapted on the side of first protective sleeve 5, and the annular sealing plate 12 is equipped in first protective sleeve 5, and the spring 13 is connected above annular sealing plate 12, and is connected with second protective sleeve 6 below, and second protective sleeve 6 and third protective sleeve 7 are movably connected, and there is a round hole on the top of first protective sleeve 5, and the inner ring 11 is arranged in the inner circle of round hole, and the fixed ring 2 is adapted on the sensor, and the lock cover 9 is the elastic rubber cover, and the lock cover 9 bottom has the buffer layer, and the fixed lug 21 is the L type lug, and the movable fixed ring 22 is the telescopic structure, can be telescopic material or telescopic splicing structure, and the fixed ring 2 is welded in the lower end of junction box 1, and the outside of sensor body 3 is the spiral structure, and the spiral structure of the inside of inner ring 11 is adapted.
[0025] The movable connection between the first protective sleeve 5, the second protective sleeve 6 and the third protective sleeve 7 enables telescopic operation between the protective sleeves, the spring 13 and the sealing plate 12 not only have a buffering effect but also seal the top, the movable fixed ring 22 and the fixed lug 21 can fix the third protective sleeve 7, the inner ring 11 and the fixed ring 2 are bolted to fix the sensor, ensuring the stability of the device, and the lock cover 9 is made of rubber, facilitating fixing and dismounting.
[0026] The first fixed ring 15 is arranged on the top of the first protective sleeve 5 and the bottom of the second protective sleeve 6, the first fixed ring 15 is fixed to the outside of the second protective sleeve 6, the second fixed ring 18 is arranged on the inside of the second protective sleeve 6, and the second fixed ring 18 is fixed to the upper half of the third protective sleeve 7, the second fixed ring 18 and the first fixed ring 15 are rubber rings, the third protective sleeve 7 is provided with four sliding blocks 20 on the side above the second fixed ring 18, the sliding blocks 20 are provided with sliding grooves 17 on the inside of the second protective sleeve 6, the first protective sleeve 5, the second protective sleeve 6 and the third protective sleeve 7 are respectively provided with the first temperature insulation layer 14, the second temperature insulation layer 16 and the third temperature insulation layer 19, the first temperature insulation layer 14, the second temperature insulation layer 16 and the third temperature insulation layer 19 are made of polyurethane elastomer or silica gel, the inner cavity of the second protective sleeve 6 is consistent with the outer circle of the sensor body 3, and the cavity surrounded by the third temperature insulation layer 19 of the third protective sleeve 7 is adapted to the outer circle of the probe rod 4.
[0027] The first fixed ring 15 and the second fixed ring 18 are fixed on the second protective sleeve 6 and the third protective sleeve 7 respectively, the bottom of the first protective sleeve 5 and the second protective sleeve 6 can be blocked, and the sealing effect is achieved, the slider 20 and the sliding groove 17 interact, the resistance of the third protective sleeve 7 moving can be reduced, the third protective sleeve 7 is more convenient to move, the first temperature insulation layer 14, the second temperature insulation layer 16 and the third temperature insulation layer 19 are arranged, the influence of external temperature change on the temperature sensor can be avoided, and the temperature sensor can be prevented from being collided and influenced in the storage and transportation process.
[0028] Specific implementation principle: when the utility model is used, first, the fixed ring 2 is welded at the bottom of the junction box 1 through welding, then the fixed ring 2 and the inner ring 11 on the first protective sleeve 5 are screw-connected, the temperature sensor is sleeved in the protective structure, when the temperature sensor needs to be used, the locking cover 9 is removed, is rotated along the rotating shaft 10, the third protective sleeve 7 is pushed upwards, the slider 20 above the third protective sleeve 7 moves on the sliding groove 17, when the third protective sleeve 7 enters the first protective sleeve 5 and the second protective sleeve 6, the movable fixed ring 22 is stretched and fixed on the L-shaped fixed lug 21, so that the probe rod 4 is exposed, and work is carried out.
[0029] The above are preferable embodiments of the utility model, and not limit the protection scope of the utility model, so: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A temperature sensor protection structure, characterized in that, It includes a first protective sleeve (5), a second protective sleeve (6) and a third protective sleeve (7); the third protective sleeve (7) is fixed by two fixing plates (8) through a rotating shaft (10) to fix the sealing cover (9) on the lower side of the third protective sleeve (7). A movable fixing ring (22) is installed on the fixing plate (8). The first protective sleeve (5) has a fixing protrusion (21) that matches the movable fixing ring (22) on its side. The first protective sleeve (5) is provided with an annular sealing plate (12) inside. The sealing plate (12) is connected to a spring (13) above and to the second protective sleeve (6) below. The second protective sleeve (6) and the third protective sleeve (7) are movably connected. The first protective sleeve (5) has a round hole above. An inner ring (11) is provided in the inner circle of the round hole. The inner ring (11) matches the fixing ring (2) provided on the sensor.
2. The temperature sensor protection structure according to claim 1, characterized in that, The fixing ring (2) is welded to the lower end of the junction box (1), and the outer side of the sensor body (3) is a spiral structure, which is adapted to the spiral structure inside the inner ring (11).
3. The temperature sensor protection structure according to claim 1, characterized in that, The inner ring of the sealing plate (12) is adapted to the outer ring of the third protective sleeve (7), the other side of the spring (13) is connected to the top of the first protective sleeve (5), and the sealing plate (12) can move up and down.
4. The temperature sensor protection structure according to claim 1, characterized in that, A first fixing ring (15) is provided below the sealing plate (12) and above the bottom of the first protective sleeve (5). The first fixing ring (15) is fixed on the outside of the second protective sleeve (6). A second fixing ring (18) is provided on the inside of the second protective sleeve (6). The second fixing ring (18) is fixed at 1 / 4 of the upper half of the third protective sleeve (7).
5. The temperature sensor protection structure according to claim 4, characterized in that, The second fixing ring (18) and the first fixing ring (15) are rubber rings.
6. The temperature sensor protection structure according to claim 4, characterized in that, Four sliders (20) are provided on the side of the third protective sleeve (7) above the second fixing ring (18), and the sliders (20) have grooves (17) that are adapted to the inner side of the second protective sleeve (6).
7. The temperature sensor protection structure according to claim 1, characterized in that, The first protective sleeve (5), the second protective sleeve (6) and the third protective sleeve (7) are respectively fixedly provided with a first heat insulation layer (14), a second heat insulation layer (16) and a third heat insulation layer (19) on the inner ring of the outer shell.
8. The temperature sensor protection structure according to claim 7, characterized in that, The first insulation layer (14), the second insulation layer (16) and the third insulation layer (19) are all made of polyurethane elastomer or silicone.
9. A temperature sensor protection structure according to claim 1, characterized in that, The sealing cover (9) is an elastic rubber cover, and the bottom of the sealing cover (9) has a buffer layer.