Temperature sensor with explosion-proof function

Abstract

The invention discloses a temperature sensor with an explosion-proof function, and relates to the technical field of temperature sensors. The temperature sensor comprises a temperature sensor body, the bottom of the temperature sensor body is fixedly connected with a connector, the bottom of the connector is fixedly connected with a sensing head, the top of the temperature sensor body is provided with an anti-approaching device, and the anti-approaching device comprises 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 with a rotating disc. Through cooperation of the motor, the rotating disc, the L-shaped rod and the annular plate, the rotation of the L-shaped rod drives the annular plate to rotate, and the rotation of the annular plate can promote air flow around the temperature sensor body, so that the concentration of coal dust is effectively reduced, the coal dust is prevented from depositing on the surface of the temperature sensor body or entering the temperature sensor body, and the service life of the temperature sensor body is prolonged. And therefore, the temperature sensor body explodes.

Description

Technical Field

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

[0002] A temperature sensor is a device that can sense temperature and convert it into an available output signal. It is the core part of a temperature measuring instrument. According to the measurement method, temperature sensors can be divided into two categories: contact type and non-contact type. According to the sensor material and the characteristics of electronic components, common types include thermal resistors and thermocouples. The thermal resistor is based on the principle that the resistance of the material changes with temperature, while the thermocouple uses the temperature difference between two different metals to generate a voltage change.

[0003] Chinese Patent with publication number CN217424593U discloses a temperature sensor with explosion-proof function, including a fixing plate. An explosion-proof structure is movably installed on the top of the fixing plate. The explosion-proof structure includes a protective cover, a fiberglass lining, a first fan, a second fan, a limiting plate and a fixing seat. The protective cover is movably installed on the top of the fixing plate. The fiberglass lining is fixedly installed on the inner wall of the protective cover. The first fan is fixedly installed on the inner top wall of the fiberglass lining. When starting the first fan and the two second fans of this temperature sensor with explosion-proof function, the two second fans will send air into the protective cover, and the first fan will suck air inside the protective cover. The first fan and the second fans enable the air with higher temperature inside the protective cover to be transported to the outside, and air-cool the temperature sensor body inside the protective cover, avoiding the continuous rise of the temperature of the temperature sensor body and preventing the temperature sensor body from being damaged or even exploded due to high temperature.

[0004] However, the current temperature sensor has the following problems: When this temperature sensor is used in a mining area, coal dust will deposit on the surface of the temperature sensor body or enter the inside of the temperature sensor body. Since coal dust is prone to 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 of the prior art, the present invention provides a temperature sensor with explosion-proof function, which solves the problems raised in the above background art.

[0006] To achieve the above object, the present invention is realized by the following technical solutions: A temperature sensor with explosion-proof function, including a temperature sensor body, a connector is fixedly connected to the bottom of the temperature sensor body, an induction head is fixedly connected to the bottom of the connector, and an anti-approaching device is arranged on the top of the temperature sensor body. The anti-approaching device includes a motor, the bottom of the motor is fixedly connected to the top of the temperature sensor body, a turntable is fixedly connected to the top of the motor, a plurality of L-shaped rods are fixedly connected to the outer wall of the turntable, and the same ring plate is fixedly connected to the ends of the plurality of L-shaped rods away from the turntable. A ring groove is opened on the outer wall of the ring plate. When the temperature sensor body is used in a mining area, the induction head monitors the temperature in the mining area, so that the monitored data is transmitted to an external display through the connector and the temperature sensor body; when the temperature sensor is used in a mining area, due to more coal dust in the mining area, therefore, start the motor, the output shaft of the motor rotates the turntable, the rotation of the turntable drives the L-shaped rods to rotate, the rotation of the L-shaped rods drives the ring plate to rotate, and 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 abutting 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, an impact block is fixedly connected to the telescopic end of the elastic telescopic block, and a fixed round block is fixedly connected to the top of the impact block. The rotation of the ring plate drives the abutting blocks to rotate at the same time, and the rotation of the abutting blocks will abut against the fixed round block, so that the fixed round block moves away from the ring plate, the movement of the fixed round 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 abutting block does not abut against the fixed round block, the elastic telescopic block will drive the abutting block and the fixed round block to reset through its own elastic force, and the reset of the abutting block will impact the ring plate.

[0008] According to the above technical solution, a plurality of the abutting blocks are arranged in an arc shape on one side of the temperature sensor body, and the fixed round block is located on the displacement track of the plurality of abutting 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 there is a gap between the outer wall of the ring plate and the four corners of the temperature sensor body.

[0011] According to the above technical scheme, 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 with a hollow movable column, the inner wall of the hollow movable column is fixedly connected with a hemispherical block, the top of the hollow movable column is fixedly connected with a short rod, the top of the short rod is fixedly connected with a conical block, and the bottom of the temperature sensor body is fixedly connected with 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 one 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 slide 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: (1) The present invention cooperates with a motor, a turntable, an L-shaped rod, and a 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 temperature sensor body to explode. 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.

[0015] (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 round 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 in the surrounding environment and reducing the risk of forming an explosive atmosphere.

[0016] (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 can 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 slide groove, the conical surface of the conical block itself has a certain guiding function, and the slide groove can further guide the falling rocks to slide along the slide groove 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

[0017] Figure 1 A schematic diagram of the present invention as a whole; Figure 2 This is a schematic diagram of the structure of the connector of the present invention; Figure 3 It is a schematic diagram of the structure of the turntable of the present invention; Figure 4 For the present invention Figure 3 Schematic diagram of the structure at A in the middle; Figure 5 This is a structural schematic diagram of the hollow moving column of the present invention; Figure 6 It is a structural schematic diagram of the conical block of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the structure at point B in the middle.

[0018] In the figure: 1. Temperature sensor body; 2. Connector; 3. Induction 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

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

[0020] See also Figures 1 - 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, an induction head 3 is fixedly connected to the bottom of the connector 2, an anti-approaching device 4 is arranged on the top of the temperature sensor body 1, the anti-approaching 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, the same ring plate 44 is fixedly connected to one end of the plurality of L-shaped rods 43 away from the turntable 42, a ring groove 45 is formed on the outer wall of the ring plate 44, the height of the ring plate 44 is equal to the height of the temperature sensor body 1, and there is a gap between the outer wall of the ring plate 44 and the four corners of the temperature sensor body 1. Through the setting of the above structure, the rotation of the L-shaped rod 43 drives the ring plate 44 to rotate, and the rotation of the ring plate 44 promotes the air flow around the temperature sensor body 1, thereby effectively reducing the concentration of coal dust, avoiding the deposition of coal dust on the surface of the temperature sensor body 1 or entering the inside of the temperature sensor body 1, which may cause the explosion of the temperature sensor body 1. At the same time, the rotation of the ring plate 44 drives the rotation of the ring groove 45, and the rotation of the ring groove 45 can generate more air flow disturbances when the ring plate 44 rotates, further promoting air flow and helping to break the static layer of air, enhancing the fluidity of the surrounding air. Especially in mining areas with poor ventilation, it accelerates the movement of coal dust and other particles, thereby reducing the coal dust and other particles around the temperature sensor body 1.

[0021] A plurality of abutting blocks 46 are fixedly connected to the top of the ring plate 44, an elastic telescopic block 47 is fixedly connected to the side of the temperature sensor body 1, an impact block 48 is fixedly connected to the telescopic end of the elastic telescopic block 47, a fixed round block 49 is fixedly connected to the top of the impact block 48, the abutting block 46 is arranged in an arc shape on one side of the temperature sensor body 1, and the fixed round block 49 is located on the displacement track of the plurality of abutting blocks 46. Through the setting of the above structure, the elastic telescopic block 47 drives the abutting block 46 and the fixed round block 49 to reset by its own elastic force, and the reset of the abutting block 46 impacts the ring plate 44, so that the coal dust and other particles attached to the surface or surrounding area of the ring plate 44 are loosened, and it helps the coal dust to fall off the surface of the ring plate 44 and be carried away with the air flow, thereby preventing the accumulation of coal dust on the ring plate 44 or in the surrounding environment and reducing the risk of forming an explosive atmosphere.

[0022] When in use, when the temperature sensor body 1 is used in a mining area, the sensing head 3 will monitor the temperature in the mining area, so that 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 large amount of coal dust inside the mining area, therefore, 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. The rotation of the L-shaped rod 43 drives the ring plate 44 to rotate. The rotation of the ring plate 44 promotes the air flow around the temperature sensor body 1, thereby effectively reducing the concentration of coal dust and preventing coal dust from depositing on the surface of the temperature sensor body 1 or entering the inside of the temperature sensor body 1, which may cause the problem of explosion of the temperature sensor body 1; at the same time, the rotation of the ring plate 44 drives the ring groove 45 to rotate. The rotation of the ring groove 45 can generate more air flow disturbances when the ring plate 44 rotates, further promoting air flow and helping to break the stationary layer of air, enhancing the fluidity of the surrounding air. Especially in mining areas with poor ventilation, it accelerates the movement of coal dust and other particles, thereby reducing the coal dust and other particles around the temperature sensor body 1.

[0023] The rotation of the ring plate 44 also drives the contact block 46 to rotate. The rotation of the contact block 46 will contact the fixed circular block 49, so that the fixed circular block 49 moves away from the ring plate 44. The movement of the fixed circular 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 contact block 46 does not contact the fixed circular block 49, the elastic telescopic block 47 will drive the contact block 46 and the fixed circular block 49 to reset through its own elastic force. The reset of the contact block 46 will impact the ring plate 44, so that the coal dust and other particles attached to the surface or surrounding area of the ring plate 44 are loosened, and it helps the coal dust to fall off from the surface of the ring plate 44 and be carried away with the air flow, thereby preventing coal dust from accumulating on the ring plate 44 or in the surrounding environment and reducing the risk of forming an explosive atmosphere.

[0024] Please refer to Figures 1 - 7, on the basis of the above embodiments, in another embodiment of the present invention, an anti-drop device 5 is provided on the top of the turntable 42. The anti-drop device 5 includes a track column 51. The bottom of the track column 51 is fixedly connected to the top of the turntable 42. A hollow moving column 52 is slidably connected to the outer wall of the track column 51. A hemispherical block 56 is fixedly connected to the inner wall of the hollow moving column 52. A short rod 53 is fixedly connected to the top of the hollow moving column 52. A conical block 54 is fixedly connected to the top of the short rod 53. A limiting rod 57 is fixedly connected to the bottom of the temperature sensor body 1. A moving groove is formed in the outer wall of the hollow moving column 52. One end of the limiting rod 57 away from the temperature sensor body 1 is in contact with the inner wall of the moving groove. A plurality of sliding grooves 55 are formed in the top of the conical block 54. Through the setting of the above structure, the up and down movement of the conical block 54 will block the falling rock on the top of the temperature sensor body 1, which can effectively prevent the falling rock from directly hitting the temperature sensor body 1, avoid physical damage to the temperature sensor body 1 caused by the falling rock, 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 rock. Through dynamic adjustment, a wider 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 already has a certain guiding function, and the sliding grooves 55 can further guide the falling rock to slide along the sliding grooves 55 on the conical surface, so that the falling rock can slide along a predetermined trajectory, reducing the irregular accumulation or stagnation of the falling rock on the conical surface of the conical block 54.

[0025] During use, the rotation of the turntable 42 will drive the track column 51 to rotate. 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. 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 limiting rod 57. The up and down movement of the hollow moving column 52 drives the short rod 53 to move up and down. The up and down movement of the short rod 53 drives the conical block 54 to move up and down. The up and down movement of the conical block 54 will block the falling rock on the top of the temperature sensor body 1, which can effectively prevent the falling rock from directly hitting the temperature sensor body 1, avoid physical damage to the temperature sensor body 1 caused by the falling rock, 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 rock. Through dynamic adjustment, a wider 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 already has a certain guiding function, and the sliding grooves 55 can further guide the falling rock to slide along the sliding grooves 55 on the conical surface, so that the falling rock can slide along a predetermined trajectory, reducing the irregular accumulation or stagnation of the falling rock on the conical surface of the conical block 54.

[0026] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention should cover within the protection scope of the present invention any equivalent substitution or change made according to the technical solution and inventive concept of the present invention.

Claims

1. A temperature sensor with explosion-proof function, comprising a temperature sensor body (1), a connector (2) is fixedly connected to the bottom of the temperature sensor body (1), and an induction head (3) is fixedly connected to the bottom of the connector (2), characterized in that: A proximity prevention device (4) is provided at the top of the temperature sensor body (1). The proximity prevention 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). The ends of the plurality of L-shaped rods (43) far from the turntable (42) are fixedly connected to the same ring plate (44). A ring groove (45) is formed in the outer wall of the ring plate (44).

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

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

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

5. The temperature sensor with explosion-proof function according to claim 1, wherein: The height of the ring plate (44) is equal to the height of the temperature sensor body (1). A gap is provided between the outer wall of the ring plate (44) and the four corners of the temperature sensor body (1).

6. The temperature sensor with explosion-proof function according to claim 1, wherein: An anti-drop device (5) is provided at the top of the turntable (42). The anti-drop device (5) includes a track column (51). The bottom of the track column (51) is fixedly connected to the top of the turntable (42). A hollow moving column (52) is slidably connected to the outer wall of the track column (51). A hemispherical block (56) is fixedly connected to the inner wall of the hollow moving column (52). A short rod (53) is fixedly connected to the top of the hollow moving column (52). A conical block (54) is fixedly connected to the top of the short rod (53). A limiting rod (57) is fixedly connected to the bottom of the temperature sensor body (1).

7. The temperature sensor with explosion-proof function according to claim 6, characterized in that: A moving groove is formed in the outer wall of the hollow moving column (52). The end of the limiting rod (57) far from the temperature sensor body (1) is in contact with the inner wall of the moving groove.

8. The temperature sensor with explosion-proof function according to claim 6, characterized in that: A plurality of sliding grooves (55) are formed in the top of the conical block (54).

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