A temperature sensor with explosion-proof function

Abstract

The present invention discloses a temperature sensor with explosion-proof function, which relates to the technical field of temperature sensors. The present invention includes a temperature sensor body, the bottom of the temperature sensor body is fixedly connected to a connector, the bottom of the connector is fixedly connected to an induction head, the top of the temperature sensor body is provided with an anti-approach device, the anti-approach device includes a motor, the bottom of the motor is fixedly connected to the top of the temperature sensor body, and the top of the motor is fixedly connected to a turntable. The present invention cooperates with the motor, the turntable, the L-shaped rod, and the ring plate so that the rotation of the L-shaped rod drives the ring plate to rotate. The rotation of the ring plate promotes the flow of air around the temperature sensor body, thereby effectively reducing the concentration of coal dust, and preventing coal dust from being deposited on the surface of the temperature sensor body or entering the interior of the temperature sensor body, thereby causing the problem of the temperature sensor body exploding.

Description

Technical Field

[0001] The present invention relates to the technical field of temperature sensors, in particular to a temperature sensor with an explosion-proof function. Background Art

[0002] Temperature sensors are devices that sense temperature and convert it into a usable output signal. They are the core component of temperature measuring instruments. Based on their measurement method, they can be categorized as contact or non-contact. Common types include RTDs and thermocouples, based on the sensor material and electronic component characteristics. RTDs work based on the principle that a material's resistance changes with temperature, while thermocouples utilize the temperature difference between two dissimilar metals to generate a voltage change.

[0003] A Chinese patent with patent publication number CN217424593U discloses a temperature sensor with an explosion-proof function, including a fixed plate, a top of which is movably mounted an explosion-proof structure, the explosion-proof structure including a protective cover, a glass fiber lining, a first fan, a second fan, a limit plate and a fixed seat, a protective cover movably mounted on the top of the fixed plate, a glass fiber lining fixedly mounted on the inner wall of the protective cover, and a first fan fixedly mounted on the inner top wall of the glass fiber lining, the temperature sensor with an explosion-proof function, when the first fan and two second fans are started, the two second fans will supply air to the interior of the protective cover, and the first fan will suck air into the interior of the protective cover, the first fan and the second fan enable the air with a higher temperature inside the protective cover to be transported to the outside, and the temperature sensor body inside the protective cover is cooled and dissipated by air, to avoid the temperature of the temperature sensor body from constantly rising, and to prevent the temperature sensor body from being damaged or even exploding due to high temperature.

[0004] However, the current temperature sensor has the following problems: when the temperature sensor is used in a mining area, coal dust will be deposited on the surface of the temperature sensor body or enter the interior of the temperature sensor body. Since coal dust can easily form an explosive atmosphere, it may cause the temperature sensor body to explode. Therefore, we propose a temperature sensor with explosion-proof function. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a temperature sensor with explosion-proof function, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a temperature sensor with explosion-proof function, comprising a temperature sensor body, a connector fixedly connected to the bottom of the temperature sensor body, a sensing head fixedly connected to the bottom of the connector, an anti-approach device provided on the top of the temperature sensor body, the anti-approach device comprising a motor, the bottom of the motor fixedly connected to the top of the temperature sensor body, a turntable fixedly connected to the top of the motor, a plurality of L-shaped rods fixedly connected to the outer wall of the turntable, and the ends of the plurality of L-shaped rods away from the turntable are fixedly connected to the same ring The outer wall of the ring plate is provided with a ring groove. When the temperature sensor body is used in the mining area, the induction head will monitor the temperature in the mining area, so that the monitored data is transmitted to the external display through the connector and the temperature sensor body. When the temperature sensor is used in the mining area, due to the large amount of coal dust inside the mining area, the motor is started, and the output shaft of the motor rotates the turntable. The rotation of the turntable drives the L-shaped rod to rotate, and the rotation of the L-shaped rod drives the ring plate to rotate. At the same time, the rotation of the ring plate drives the ring groove to rotate. The rotation of the ring groove can generate more airflow disturbances when the ring plate rotates.

[0007] According to the above technical solution, a plurality of resistance blocks are fixedly connected to the top of the ring plate, an elastic telescopic block is fixedly connected to the side of the temperature sensor body, the telescopic end of the elastic telescopic block is fixedly connected to the impact block, and the top of the impact block is fixedly connected to the fixed circular block. The rotation of the ring plate also drives the resistance block to rotate, and the rotation of the resistance block will interfere with the fixed circular block, thereby causing the fixed circular block to move away from the ring plate. The movement of the fixed circular block drives the impact block to move and away from the ring plate, and the movement of the impact block will squeeze the elastic telescopic block. When the rotation of the resistance block does not interfere with the fixed circular block, the elastic telescopic block will drive the resistance block and the fixed circular block to reset through its own elastic force, and the reset of the resistance block will impact the ring plate.

[0008] According to the above technical solution, the plurality of interference blocks are located on one side of the temperature sensor body and are arranged in an arc shape, and the fixed circular block is located on the displacement tracks of the plurality of interference blocks.

[0009] According to the above technical solution, the impact block is arranged in an arc shape on one side of the ring plate, and the ring plate is located on the displacement track of the impact block.

[0010] According to the above technical solution, the height of the ring plate is equal to the height of the temperature sensor body, and gaps are provided between the outer wall of the ring plate and the four corners of the temperature sensor body.

[0011] According to the above technical solution, an anti-falling device is provided on the top of the turntable, and the anti-falling device includes a track column, the bottom of the track column is fixedly connected to the top of the turntable, the outer wall of the track column is slidably connected to a hollow movable column, the inner wall of the hollow movable column is fixedly connected to a hemispherical block, the top of the hollow movable column is fixedly connected to a short rod, the top of the short rod is fixedly connected to a conical block, and the bottom of the temperature sensor body is fixedly connected to a limiting rod. The rotation of the turntable will drive the track column to rotate, and the rotation of the track column will cause the hemispherical block to move up and down along the inner wall of the annular track groove of the track column. The movement of the hemispherical block will drive the hollow movable column to move up and down along the outer wall of the limiting rod. The up and down movement of the hollow movable column drives the short rod to move up and down, and the up and down movement of the short rod drives the conical block to move up and down.

[0012] According to the above technical solution, a moving groove is formed on the outer wall of the hollow moving column, and the end of the limiting rod away from the temperature sensor body contacts the inner wall of the moving groove.

[0013] According to the above technical solution, a plurality of sliding grooves are provided on the top of the conical block.

[0014] The present invention provides a temperature sensor with explosion-proof function. It has the following beneficial effects:

[0015] (1) The present invention cooperates with the motor, the turntable, the L-shaped rod and the ring plate so that the rotation of the L-shaped rod drives the ring plate to rotate. The rotation of the ring plate promotes the air flow around the temperature sensor body, thereby effectively reducing the concentration of coal dust and preventing the coal dust from being deposited on the surface of the temperature sensor body or entering the interior of the temperature sensor body, thereby causing the problem of the temperature sensor body exploding. At the same time, through the cooperation of the ring plate and the ring groove, the rotation of the ring plate drives the ring groove to rotate. The rotation of the ring groove can generate more air flow disturbances when the ring plate rotates, further promoting air flow, and helping to break the static layer of air, thereby enhancing the fluidity of the surrounding air, especially in poorly ventilated mining areas, accelerating the movement of coal dust and other particles, thereby reducing the coal dust and other particles around the temperature sensor body.

[0016] (2) The present invention cooperates with the ring plate, the ring groove, the resistance block, the elastic expansion block, the impact block, and the fixed circular block so that the resetting of the resistance block will impact the ring plate, thereby loosening the coal dust and other particles attached to the surface of the ring plate or the surrounding area, and helping the coal dust to fall off the surface of the ring plate and be carried away with the air flow, thereby preventing the coal dust from accumulating on the ring plate or the surrounding environment and reducing the risk of forming an explosive atmosphere.

[0017] (3) The present invention cooperates with the track column, the hollow moving column, the short rod, the conical block, the hemispherical block, and the limit rod so that the up and down movement of the short rod drives the up and down movement of the conical block. The up and down movement of the conical block will block the falling rocks that fall on the top of the temperature sensor body, which can effectively prevent the falling rocks from directly hitting the temperature sensor body, and can avoid the falling rocks from causing physical damage to the temperature sensor body, thereby extending the service life of the temperature sensor. At the same time, the up and down movement of the conical block can expand the protection area, especially in the area where the top of the temperature sensor contacts the falling rocks. Through dynamic adjustment, it can provide a wider range of protection for the temperature sensor, so that the temperature sensor is protected from falling rocks at different heights and positions. At the same time, through the cooperation of the conical block and the chute, the conical surface of the conical block itself has a certain guiding function, and the chute can further guide the falling rocks to slide along the chute of the conical surface, so that the falling rocks can slide along the predetermined trajectory, reducing the irregular accumulation or stagnation of the falling rocks on the conical surface of the conical block. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the present invention as a whole;

[0019] Figure 2 This is a schematic structural diagram of the connector of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the turntable of the present invention;

[0021] Figure 4 For the present invention Figure 3 Schematic diagram of the structure at A in the middle;

[0022] Figure 5 This is a structural diagram of the hollow movable column of the present invention;

[0023] Figure 6 This is a structural diagram of the tapered block of the present invention;

[0024] Figure 7 For the present invention Figure 6 Schematic diagram of the structure at point B in the middle.

[0025] In the figure: 1. Temperature sensor body; 2. Connector; 3. Sensing head; 4. Anti-approach device; 41. Motor; 42. Turntable; 43. L-shaped rod; 44. Ring plate; 45. Ring groove; 46. Resistance block; 47. Elastic telescopic block; 48. Impact block; 49. Fixed round block; 5. Anti-fall device; 51. Track column; 52. Hollow moving column; 53. Short rod; 54. Conical block; 55. Slide groove; 56. Hemispherical block; 57. Limit rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] See also Figure 1-Figure 7 One embodiment of the present invention is: a temperature sensor with explosion-proof function, including a temperature sensor body 1, a connector 2 is fixedly connected to the bottom of the temperature sensor body 1, a sensing head 3 is fixedly connected to the bottom of the connector 2, an anti-approach device 4 is provided on the top of the temperature sensor body 1, and the anti-approach device 4 includes a motor 41, the bottom of the motor 41 is fixedly connected to the top of the temperature sensor body 1, a turntable 42 is fixedly connected to the top of the motor 41, a plurality of L-shaped rods 43 are fixedly connected to the outer wall of the turntable 42, and the ends of the plurality of L-shaped rods 43 away from the turntable 42 are fixedly connected to the same ring plate 44, an outer wall of the ring plate 44 is provided with a ring groove 45, the height of the ring plate 44 is equal to the height of the temperature sensor body 1, and the outer wall of the ring plate 44 is fixed to the four corners of the temperature sensor body 1 A gap is set between them. Through the setting of the above structure, the rotation of the L-shaped rod 43 drives the ring plate 44 to rotate. The rotation of the ring plate 44 will promote the air flow around the temperature sensor body 1, thereby effectively reducing the concentration of coal dust, and preventing coal dust from being deposited on the surface of the temperature sensor body 1 or entering the interior of the temperature sensor body 1, thereby causing the temperature sensor body 1 to explode. At the same time, the rotation of the ring plate 44 will drive the annular groove 45 to rotate. The rotation of the annular groove 45 can make the ring plate 44 rotate to generate more airflow disturbances, further promote air flow, and help to break the static layer of air, enhance the fluidity of the surrounding air, especially in poorly ventilated mining areas, accelerate the movement of coal dust and other particles, thereby reducing coal dust and other particles around the temperature sensor body 1.

[0028] A plurality of resistance blocks 46 are fixedly connected to the top of the ring plate 44, and an elastic telescopic block 47 is fixedly connected to the side of the temperature sensor body 1, and the telescopic end of the elastic telescopic block 47 is fixedly connected to the impact block 48, and the top of the impact block 48 is fixedly connected to the fixed round block 49. The resistance block 46 is located on one side of the temperature sensor body 1 and is set to an arc shape, and the fixed round block 49 is located on the displacement trajectory of the plurality of resistance blocks 46. Through the setting of the above structure, the elastic telescopic block 47 will drive the resistance block 46 and the fixed round block 49 to reset through its own elastic force. The reset of the resistance block 46 will impact the ring plate 44, thereby loosening the coal dust and other particles attached to the surface of the ring plate 44 or the surrounding area, and helping the coal dust to fall off the surface of the ring plate 44 and be carried away with the air flow, thereby preventing the coal dust from accumulating on the ring plate 44 or in the surrounding environment, reducing the risk of forming an explosive atmosphere.

[0029] During use, when the temperature sensor body 1 is used in a mining area, the sensing head 3 monitors the temperature in the mining area, and the monitored data is transmitted to an external display through the connector 2 and the temperature sensor body 1. When the temperature sensor is used in the mining area, due to the high amount of coal dust inside the mining area, the motor 41 is started, and the output shaft of the motor 41 rotates the turntable 42. The rotation of the turntable 42 drives the L-shaped rod 43 to rotate, and the rotation of the L-shaped rod 43 drives the ring plate 44 to rotate. The rotation of the ring plate 44 promotes the flow of air around the temperature sensor body 1, thereby effectively reducing the concentration of coal dust and preventing coal dust from being deposited on the surface of the temperature sensor body 1 or entering the temperature sensor body 1, thereby causing the temperature sensor body 1 to explode. At the same time, the rotation of the ring plate 44 drives the annular groove 45 to rotate. The rotation of the annular groove 45 can generate more airflow disturbances when the ring plate 44 rotates, further promoting air flow, and helping to break the static layer of air, thereby enhancing the fluidity of the surrounding air, especially in poorly ventilated mining areas, accelerating the movement of coal dust and other particles, thereby reducing the coal dust and other particles around the temperature sensor body 1.

[0030] The rotation of the ring plate 44 also drives the resistance block 46 to rotate. The rotation of the resistance block 46 will interfere with the fixed round block 49, causing the fixed round block 49 to move away from the ring plate 44. The movement of the fixed round block 49 drives the impact block 48 to move and away from the ring plate 44. The movement of the impact block 48 will squeeze the elastic telescopic block 47. When the rotation of the resistance block 46 does not interfere with the fixed round block 49, the elastic telescopic block 47 will drive the resistance block 46 and the fixed round block 49 to reset through its own elastic force. The reset of the resistance block 46 will impact the ring plate 44, thereby loosening the coal dust and other particles attached to the surface of the ring plate 44 or the surrounding area, and helping the coal dust to fall off the surface of the ring plate 44 and be carried away with the air flow, thereby preventing the coal dust from accumulating on the ring plate 44 or the surrounding environment, reducing the risk of forming an explosive atmosphere.

[0031] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, an anti-falling device 5 is provided on the top of the turntable 42, and the anti-falling device 5 includes a track column 51, the bottom of the track column 51 is fixedly connected to the top of the turntable 42, the outer wall of the track column 51 is slidably connected to a hollow moving column 52, the inner wall of the hollow moving column 52 is fixedly connected to a hemispherical block 56, the top of the hollow moving column 52 is fixedly connected to a short rod 53, the top of the short rod 53 is fixedly connected to a conical block 54, and the bottom of the temperature sensor body 1 is fixedly connected to a limiting rod 57, and the outer wall of the hollow moving column 52 is provided with a moving groove, and the end of the limiting rod 57 away from the temperature sensor body 1 contacts the inner wall of the moving groove, and the top of the conical block 54 is provided with a plurality of sliding grooves 55. Through the arrangement of the above structure, the up and down movement of the conical block 54 will prevent the temperature sensor from falling. The falling rocks on the top of the temperature sensor body 1 are shielded, which can effectively prevent the falling rocks from directly hitting the temperature sensor body 1, and can avoid physical damage to the temperature sensor body 1 caused by falling rocks, thereby extending the service life of the temperature sensor body 1. At the same time, the up and down movement of the conical block 54 can expand the protection area, especially in the area where the top of the temperature sensor body 1 contacts the falling rocks. Through dynamic adjustment, a wider range of protection can be provided for the temperature sensor body 1, so that the temperature sensor body 1 is protected from falling rocks at different heights and positions; at the same time, the conical surface of the conical block 54 itself has a certain guiding function, and the chute 55 can further guide the falling rocks to slide along the chute 55 of the conical surface, so that the falling rocks can slide along the predetermined trajectory, reducing the irregular accumulation or stagnation of falling rocks on the conical surface of the conical block 54.

[0032] When in use, the rotation of the turntable 42 will drive the track column 51 to rotate, and the rotation of the track column 51 will cause the hemispherical block 56 to move up and down along the inner wall of the annular track groove of the track column 51, and the movement of the hemispherical block 56 will drive the hollow moving column 52 to move up and down along the outer wall of the limit rod 57, and the up and down movement of the hollow moving column 52 will drive the short rod 53 to move up and down, and the up and down movement of the short rod 53 will drive the conical block 54 to move up and down, and the up and down movement of the conical block 54 will block the falling rocks that fall on the top of the temperature sensor body 1, which can effectively prevent the falling rocks from directly hitting the temperature sensor body 1, and can avoid the falling rocks from hitting the temperature sensor body 1 Cause physical damage, thereby extending the service life of the temperature sensor body 1, and the up and down movement of the conical block 54 can expand the protection area, especially in the area where the top of the temperature sensor body 1 contacts the falling rocks. Through dynamic adjustment, it can provide a wider range of protection for the temperature sensor body 1, so that the temperature sensor body 1 is protected from falling rocks at different heights and positions; at the same time, the conical surface of the conical block 54 itself has a certain guiding function, and the chute 55 can further guide the falling rocks to slide along the chute 55 of the conical surface, so that the falling rocks can slide along the predetermined trajectory, reducing the irregular accumulation or stagnation of falling rocks on the conical surface of the conical block 54.

[0033] The above are only preferred specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A temperature sensor with explosion-proof function, comprising a temperature sensor body (1), a connector (2) fixedly connected to the bottom of the temperature sensor body (1), and a sensing head (3) fixedly connected to the bottom of the connector (2), characterized in that: The temperature sensor body (1) is provided with an anti-approach device (4) at the top thereof, the anti-approach device (4) comprising a motor (41), the bottom of the motor (41) being fixedly connected to the top of the temperature sensor body (1), the top of the motor (41) being fixedly connected to a turntable (42), the outer wall of the turntable (42) being fixedly connected to a plurality of L-shaped rods (43), the ends of the plurality of L-shaped rods (43) being away from the turntable (42) being fixedly connected to the same annular plate (44), the outer wall of the annular plate (44) being provided with an annular groove (45); The top of the turntable (42) is provided with an anti-falling device (5), the anti-falling device (5) comprises a track column (51), the bottom of the track column (51) is fixedly connected to the top of the turntable (42), the outer wall of the track column (51) is slidably connected to a hollow moving column (52), the inner wall of the hollow moving column (52) is fixedly connected to a hemispherical block (56), the top of the hollow moving column (52) is fixedly connected to a short rod (53), the top of the short rod (53) is fixedly connected to a conical block (54), and the bottom of the temperature sensor body (1) is fixedly connected to a limiting rod (57); A moving groove is formed on the outer wall of the hollow moving column (52), and one end of the limiting rod (57) away from the temperature sensor body (1) contacts the inner wall of the moving groove; The rotation of the turntable (42) drives the track column (51) to rotate, and the rotation of the track column (51) causes the hemispherical block (56) to move up and down along the inner wall of the annular track groove of the track column (51). The movement of the hemispherical block (56) drives the hollow movable column (52) to move up and down along the outer wall of the limit rod (57). The up and down movement of the hollow movable column (52) drives the short rod (53) to move up and down.

2. The explosion-proof temperature sensor according to claim 1, characterized in that: The top of the ring plate (44) is fixedly connected to a plurality of abutment blocks (46), the side of the temperature sensor body (1) is fixedly connected to an elastic telescopic block (47), the telescopic end of the elastic telescopic block (47) is fixedly connected to an impact block (48), and the top of the impact block (48) is fixedly connected to a fixed round block (49).

3. The explosion-proof temperature sensor according to claim 2, characterized in that: The plurality of abutment blocks (46) are located on one side of the temperature sensor body (1) and are arranged in an arc shape, and the fixed circular block (49) is located on the displacement tracks of the plurality of abutment blocks (46).

4. The explosion-proof temperature sensor according to claim 2, characterized in that: The impact block (48) is located on one side of the ring plate (44) and is arranged in an arc shape, and the ring plate (44) is located on the displacement track of the impact block (48).

5. The explosion-proof temperature sensor according to claim 1, characterized in that: The height of the ring plate (44) is equal to the height of the temperature sensor body (1), and gaps are provided between the outer wall of the ring plate (44) and the four corners of the temperature sensor body (1).

6. The explosion-proof temperature sensor according to claim 1, characterized in that: A plurality of slide grooves (55) are provided on the top of the conical block (54).

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