Temperature sensor for underground monitoring and installation method thereof

Abstract

A temperature sensor for underground monitoring provided by the present invention comprises a temperature sensor and a circular plate, the circular plate is provided with a fixing assembly, the fixing assembly comprises a support plate and a screw pin, the support plate is provided with a screwing assembly, the screwing assembly comprises a worm and a first motor, the inner side of the screw pin is provided with a telescopic assembly, and the telescopic assembly is connected with the screw pin. The telescopic assembly comprises a second motor and an edge sleeve, a cleaning assembly is installed at the bottom of the circular plate, and the cleaning assembly comprises a clamping sleeve and an inner cavity. According to the temperature sensor for underground monitoring and the installation method thereof, organic fertilizer particles can be prevented from being expanded and scattered due to internal air expansion, and the integrity of the organic fertilizer particles is guaranteed; organic fertilizer chippings are prevented, the situation that the organic fertilizer is adhered together during storage is prevented, subsequent uniform fertilization operation of the organic fertilizer is facilitated, the chippings, peculiar smell and water vapor can be absorbed through the organic fertilizer, consumption of the water vapor is reduced, air environment safety is guaranteed, and the underground temperature monitoring device is suitable for being used for real-time monitoring work of the underground temperature.

Description

Technical Field

[0001] The present invention relates to the technical field of temperature sensor equipment for underground monitoring, and in particular to a temperature sensor for underground monitoring and an installation method thereof. Background Art

[0002] It is not convenient to monitor the underground temperature in real time, so it is necessary to use a temperature sensor device for underground monitoring. The invention patent with patent application number CN202110416177.X discloses a high-precision temperature detection device suitable for mass production and its mass production method. The output of the voltage stabilizing circuit is connected to the first resistor to form a constant current source, the inverting input terminal of the first operational amplifier is connected to the output of the constant current source, the non-inverting input terminal of the first operational amplifier is connected to the input reference voltage through the second resistor, and the Pt1000 platinum resistor is connected to the output terminal and the inverting output terminal of the first operational amplifier to form negative feedback. The reference voltage is obtained by connecting the output of the voltage stabilizing circuit after the first voltage-dividing resistor and the second voltage-dividing resistor divide the voltage, and then connecting the output of the voltage follower composed of the third operational amplifier. It can meet the high-precision requirements and reduce the cost of components at the same time. There is no need to manually adjust the calibration accuracy to meet the requirements of mass production, which greatly improves the production efficiency, has extremely low cost and is very convenient for production verification. The invention patent with patent application number CN201910432076.4, A temperature detection device is disclosed, wherein an optical fiber sensor is arranged above the containing shell and is used to transmit a deformation signal of a memory metal; the thermal expansion and contraction of mercury is used to cause the deformation of the memory metal, and the optical fiber sensor is used to transmit the deformation signal of the memory metal, thereby achieving the effect of shortening the temperature detection time and improving the use efficiency at the same time; and the device is not subject to external interference such as electromagnetic waves, and the measured value is more accurate and reliable. According to the technical scheme disclosed by the device, when the existing underground monitoring temperature sensor equipment is used, on the one hand, the underground installation space is small, a larger electric wrench cannot be used, and it is not convenient to screw the wrench, and thus it is not convenient to quickly install and fix the device; on the other hand, when the installed and fixed base becomes loose, it is easy to cause the installation mechanism of the sensor to become loose, which is not conducive to ensuring the installation firmness of the temperature sensor; on the other hand, when certain impurities are attached to the surface of the temperature sensor, it is easy to cause the temperature monitored by the temperature sensor to become abnormal, which is not conducive to ensuring the accuracy and sensitivity of underground temperature monitoring. Summary of the invention

[0003] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a temperature sensor for underground monitoring and an installation method thereof to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure and diverse functions and is suitable for real-time monitoring of underground temperature.

[0004] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a temperature sensor for underground monitoring, comprising a temperature sensor and a circular plate, a fixing component is installed on the circular plate, the fixing component comprises a support plate and a screw pin, a screwing component is installed on the support plate, the screwing component comprises a worm and a motor 1, a telescopic component is installed on the inner side of the screw pin, the telescopic component comprises a motor 2 and a prism sleeve, a cleaning component is installed on the bottom of the circular plate, the cleaning component comprises a sleeve and an inner cavity, a protective component is installed on the sleeve, the protective component comprises a filter plate and a pin, a locking component is installed on the screw pin, the locking component comprises a latch and a spring 1, a pulling component is installed on the circular plate, the pulling component comprises a side sleeve and a movable plate, a blocking component is installed on the latch, the blocking component comprises a gear groove and a blocking rod.

[0005] Furthermore, the support plate is sleeved on the outer side of the circular plate, an annular groove is opened on the inner side of the support plate, a worm wheel is integrally formed on the outer side of the circular plate, the worm is installed on the inner side of the support plate through a rotating shaft, the motor 1 is welded to the inner side of the support plate, one end of the worm is keyed to the output shaft of the motor 1, and the worm is meshed with the worm wheel.

[0006] Furthermore, the screw pin is integrally formed on the top of the circular plate, a rib groove is opened on the inner side of the screw pin, the bottom end of the rib sleeve is welded to the top of the temperature sensor, the top end of the rib sleeve extends to the inner side of the rib groove, the motor 2 is mounted on the inner wall of the top end of the rib groove by bolts, a screw rod is welded on the output shaft of the motor 2, the bottom end of the screw rod is mounted on the inner side of the rib sleeve by threads, and a pointed cone is welded on the top of the support plate.

[0007] Furthermore, a slide groove is provided at the top of the screw pin, the plug is stuck in the inner side of the slide groove, one end of the plug is connected to the inner wall of the other end of the slide groove through spring 1, and the other end of the plug passes through spring 1 and the slide groove and extends to the outer side of the screw pin.

[0008] Furthermore, the side sleeve is welded to the top of the circular plate, the outer side of the bottom of the movable plate is clamped on the inner wall of the top of the side sleeve, the bottom of the movable plate is connected to the top of the circular plate through spring 2, sealing wax is glued to the inner wall of the top of the side sleeve, the sealing wax is glued to the outer side of the movable plate, and the top of the movable plate extends to the outside of the side sleeve.

[0009] Furthermore, the retaining groove is opened on the inner side of the screw pin, and a retaining opening is opened at the bottom of one end of the pin. The bottom end of the retaining rod is clamped on the inner wall of the top of the retaining groove, and the top end of the retaining rod is clamped on the inner side of the retaining opening. A pull wire is connected to the bottom end of the retaining rod, and through holes are opened on the inner sides of the screw pin and the circular plate. One end of the pull wire passes through the through hole and the side sleeve in sequence and is fixed to the bottom of the movable plate.

[0010] Furthermore, the ferrule is welded to the bottom of the circular plate, the inner diameter of the ferrule is equal to the outer diameter of the temperature sensor, and a sealing ring is welded to the top of the temperature sensor, the outer diameter of the sealing ring is equal to the inner diameter of the ferrule.

[0011] Furthermore, the inner cavity is opened on the inner side of the circular plate, the inner cavity is connected with the ferrule through a through port, a blowing port is opened at the bottom of the ferrule, a connecting tube is opened on the inner side of the ferrule, and the blowing port is connected with the inner cavity through the connecting tube.

[0012] Furthermore, the outer side of the filter plate is clamped on the inner wall of the sleeve, and a slot is provided on the inner side of the filter plate. One end of the bayonet is clamped on the inner side of the slot, and the other end of the bayonet passes through the slot and extends to the inner side of the mouthpiece. One end of the bayonet is connected to the inner wall of the slot through a spring three.

[0013] A method for installing a temperature sensor for underground monitoring, characterized in that: Step 1: Quickly insert the tip of the screw into the underground detection point and fix the support plate with a tool to prevent the support plate from rotating; Step 2: Use a portable mobile power source to power the motor 1, the motor 1 drives the worm gear to rotate through the worm, the worm gear drives the circular plate to rotate on the inner side of the support plate, and then drives the screw pin to drill into the underground detection point by screwing; Step 3: The screw pin drives the circular plate and the support plate to move toward the underground detection point until the pointed cone on the support plate is inserted into the underground detection point, and the movable plate is squeezed to the inner side of the side sleeve by the underground detection point; Step 4: Connect the power to motor 2 and motor 1. Motor 2 pushes the sleeve through the screw rod, and the sleeve drives the temperature sensor to move from the inside of the sleeve to the outside until the temperature sensor moves to a suitable position.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. When using the temperature sensor for underground monitoring and its installation method, the tip of the screw pin is quickly inserted into the underground detection point, the support plate is fixed by a tool to prevent the support plate from rotating, and the motor one is powered by a portable mobile power supply. The motor one drives the worm wheel to rotate through the worm, and the worm wheel drives the circular plate to rotate on the inner side of the support plate, thereby driving the screw pin to drill into the underground detection point by screwing, and the screw pin drives the circular plate and the support plate to move toward the underground detection point until the pointed cone on the support plate is inserted into the underground detection point. The pointed cone can be used to fix the support plate, and the support plate locks the worm wheel through the worm, and then fixes the screw pin through the circular plate to prevent the screw pin from rotating in the opposite direction due to vibration, tension and other factors, thereby ensuring the installation firmness, and connecting the motor two and the motor one to electricity. The motor two pushes the prism sleeve through the screw rod, and the prism sleeve drives the temperature sensor to move from the inner side of the ferrule to the outside until the temperature sensor moves to a suitable position, so that temperature monitoring can be performed at different positions, thereby improving the effect of underground temperature monitoring and ensuring the flexibility of underground temperature monitoring.

[0015] 2. When the temperature sensor for underground monitoring and the installation method thereof are in use, when the screw pin drives the circular plate to get stuck into the outer side of the underground detection point, the movable plate is squeezed to the inner side of the side sleeve, and the movable plate loses the fixing effect of the sealing wax. When the underground detection point is deformed due to a large external force, the screw pin and the underground detection point become loose, and the spring 2 pushes the movable plate, and the movable plate moves outward on the inner side of the side sleeve. The movable plate pulls the blocking rod through the pull wire, and the blocking rod moves downward from the inner side of the pin to the inner side of the blocking groove, and the pin is pulled outward by the spring 1 after losing the lock of the blocking rod, so that the insertion rod is inserted into the inner side of the underground detection point through its tip, thereby effectively locking the screw pin, preventing the screw pin from falling off, and ensuring the installation firmness of the temperature sensor.

[0016] 3. When using the temperature sensor for underground monitoring and the installation method thereof, the second motor is connected to the remote control switch. After the temperature sensor has worked for a period of time, a certain amount of impurities are attached to the temperature sensor. Then, the second motor is turned on in the reverse direction through the remote control switch. The second motor pushes the edge sleeve to move toward the inner side of the screw pin through the screw rod, thereby driving the temperature sensor to move toward the inner side of the ferrule. The temperature sensor squeezes the filter plate, and the ferrule on the filter plate is squeezed by the inner wall of the blowing port, so that the ferrule compresses the spring three and moves to the inner side of the filter plate. The temperature sensor is sealed on the inner wall of the ferrule through the sealing ring. , so that the air in the ferrule is compressed to the inside of the inner cavity through the through hole, and the impurities on the side of the temperature sensor are scraped off through the inner wall of the ferrule until the bottom of the temperature sensor moves to the top of the blowing port, and the compressed air in the inner cavity enters the blowing port through the connecting tube, and the impurities at the bottom of the temperature sensor and the bottom of the ferrule are blown off with high-pressure air, so that the temperature sensor can be cleaned frequently to avoid the surface of the temperature sensor being affected by a large number of impurities and affecting its accuracy and sensitivity in temperature monitoring, thereby ensuring the accuracy and sensitivity of underground temperature monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a temperature sensor for underground monitoring according to the present invention; Figure 2 A cross-sectional view of a temperature sensor for underground monitoring according to the present invention; Figure 3 It is a structural schematic diagram of a box of a temperature sensor for underground monitoring according to the present invention; Figure 4 It is a structural schematic diagram of a circular plate of a temperature sensor for underground monitoring according to the present invention; Figure 5 A top cross-sectional view of a support plate of a temperature sensor for underground monitoring according to the present invention; Figure 6 It is a structural schematic diagram of a side sleeve of a temperature sensor for underground monitoring according to the present invention; Figure 7 It is a structural schematic diagram of a ferrule of a temperature sensor for underground monitoring according to the present invention; In the figure: 1. temperature sensor; 2. support plate; 3. round plate; 4. screw pin; 5. worm gear; 6. worm; 7. motor one; 8. motor two; 9. edge sleeve; 10. screw rod; 11. slide groove; 12. latch; 13. spring one; 14. gear slot; 15. gear lever; 16. pull wire; 17. side sleeve; 18. flap; 19. spring two; 20. sealing wax; 21. ferrule; 22. sealing ring; 23. inner cavity; 24. blowing mouth; 25. connecting pipe; 26. filter plate; 27. bayonet pin; 28. spring three; 29. ​​pointed cone. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0019] See also Figures 1 to 7The present invention provides a technical solution: a temperature sensor for underground monitoring, comprising a temperature sensor 1 and a circular plate 3, a fixing assembly is installed on the circular plate 3, the fixing assembly comprises a support plate 2 and a screw pin 4, a screwing assembly is installed on the support plate 2, the screwing assembly comprises a worm 6 and a motor 7, a telescopic assembly is installed on the inner side of the screw pin 4, the telescopic assembly comprises a motor 8 and a prism sleeve 9, a cleaning assembly is installed at the bottom of the circular plate 3, the cleaning assembly comprises a ferrule 21 and an inner cavity 23, a protective assembly is installed on the ferrule 21, the protective assembly comprises a filter plate 26 and a pin 27, a locking assembly is installed on the screw pin 4, the locking assembly comprises a latch 12 and a spring 13, The circular plate 3 is provided with a pulling assembly, which includes a side sleeve 17 and a movable plate 18. The latch 12 is provided with a blocking assembly, which includes a blocking groove 14 and a blocking rod 15. The support plate 2 is sleeved on the outer side of the circular plate 3, and an annular groove is provided on the inner side of the support plate 2. A worm wheel 5 is integrally formed on the outer side of the circular plate 3. The worm 6 is installed on the inner side of the support plate 2 through a rotating shaft. The motor 7 is welded to the inner side of the support plate 2. One end of the worm 6 is keyed to the output shaft of the motor 7. The worm 6 is meshed with the worm wheel 5. The screw pin 4 is integrally formed on the top of the circular plate 3. An angular groove is provided on the inner side of the screw pin 4. The bottom end of the angular sleeve 9 is welded to the top of the temperature sensor 1. The top of the prism sleeve 9 extends to the inner side of the prism groove, the motor 2 8 is installed on the inner wall of the top of the prism groove by bolts, a screw 10 is welded on the output shaft of the motor 2 8, and the bottom end of the screw 10 is installed on the inner side of the prism sleeve 9 by threads, and a pointed cone 29 is welded on the top of the support plate 2. When in use, the tip of the screw pin 4 is quickly inserted into the underground detection point, and the support plate 2 is fixed by a tool to prevent the support plate 2 from rotating. The motor 1 7 is powered by a portable mobile power supply, and the motor 1 7 drives the worm wheel 5 to rotate through the worm 6, and the worm wheel 5 drives the circular plate 3 to rotate on the inner side of the support plate 2, thereby driving the screw pin 4 to drill into the underground detection point by screwing, and the screw pin 4 drives the circular plate 3 and the support plate 2 Move toward the underground detection point until the pointed cone 29 on the support plate 2 is inserted into the underground detection point, and the pointed cone 29 can be used to fix the support plate 2. The support plate 2 locks the worm wheel 5 through the worm 6, and then fixes the screw pin 4 through the circular plate 3 to prevent the screw pin 4 from rotating in the opposite direction due to factors such as vibration and tension, thereby ensuring the firmness of the installation. The motor 2 8 and the motor 1 7 are powered on, and the motor 2 8 pushes the sleeve 9 through the screw rod 10. The sleeve 9 drives the temperature sensor 1 to move outward from the inside of the sleeve 21 until the temperature sensor 1 moves to a suitable position, so that temperature monitoring can be performed at different positions, thereby improving the effect of underground temperature monitoring and ensuring the flexibility of underground temperature monitoring.

[0020] In this embodiment, a slide groove 11 is provided at the top of the screw pin 4, the latch pin 12 is clamped on the inner side of the slide groove 11, one end of the latch pin 12 is connected to the inner wall of the other end of the slide groove 11 through a spring 13, the other end of the latch pin 12 passes through the spring 13 and the slide groove 11 and extends to the outer side of the screw pin 4, the side sleeve 17 is welded to the top of the circular plate 3, the outer side of the bottom of the movable plate 18 is clamped on the inner wall of the top of the side sleeve 17, and the bottom of the movable plate 18 is clamped on the inner wall of the top of the side sleeve 17. 9 is connected to the top of the circular plate 3, a sealing wax 20 is bonded to the inner wall of the top of the side sleeve 17, the sealing wax 20 is bonded to the outer side of the movable plate 18, the top of the movable plate 18 extends to the outside of the side sleeve 17, the retaining groove 14 is opened on the inner side of the screw pin 4, a retaining opening is opened at the bottom of one end of the latch 12, the bottom end of the retaining rod 15 is clamped on the inner wall of the top of the retaining groove 14, the top end of the retaining rod 15 is clamped on the inner side of the retaining opening, and the bottom end of the retaining rod 15 is connected to the pull wire 16, The inner sides of the screw pin 4 and the circular plate 3 are both provided with through holes, one end of the pull wire 16 passes through the through hole and the side sleeve 17 in sequence and is fixed to the bottom of the movable plate 18. When the screw pin 4 drives the circular plate 3 to be clamped into the outer side of the underground detection point, the movable plate 18 is squeezed to the inner side of the side sleeve 17, so that the movable plate 18 loses the fixing effect of the sealing wax 20. When the underground detection point is deformed due to a large external force, the screw pin 4 and the underground detection point are loosened, so that the spring 19 The flap 18 is pushed and moves outward on the inner side of the side sleeve 17. The flap 18 pulls the blocking rod 15 through the pull wire 16. The blocking rod 15 moves downward from the inner side of the latch 12 to the inner side of the blocking groove 14, so that the latch 12 is pulled outward by the spring 13 after losing the lock of the blocking rod 15, so that the insertion rod 12 is inserted into the inner side of the underground detection point through its tip, thereby effectively locking the screw pin 4 to prevent the screw pin 4 from falling off, thereby ensuring the installation firmness of the temperature sensor 1.

[0021] In this embodiment, the ferrule 21 is welded to the bottom of the circular plate 3, the inner diameter of the ferrule 21 is equal to the outer diameter of the temperature sensor 1, a sealing ring 22 is welded to the top of the temperature sensor 1, the outer diameter of the sealing ring 22 is equal to the inner diameter of the ferrule 21, the inner cavity 23 is opened on the inner side of the circular plate 3, the inner cavity 23 is connected to the ferrule 21 through a through port, a blowing port 24 is opened at the bottom of the ferrule 21, a connecting pipe 25 is opened on the inner side of the ferrule 21, and the blowing port 24 is connected to the inner cavity 23 through the connecting pipe 25 The outer side of the filter plate 26 is stuck on the inner wall of the card sleeve 21, and a card slot is opened on the inner side of the filter plate 26. One end of the card pin 27 is stuck on the inner side of the card slot. The other end of the card pin 27 passes through the card slot and extends to the inner side of the mouthpiece 24. One end of the card pin 27 is connected to the inner wall of the card slot through a spring three 28. When in use, the motor two 8 is connected to the remote control switch. After the temperature sensor 1 works for a period of time, so that a certain amount of impurities adhere to the temperature sensor 1, the motor two is reversely turned on by the remote control switch. 8, the motor 2 8 pushes the edge sleeve 9 to move to the inner side of the screw pin 4 through the screw rod 10, thereby driving the temperature sensor 1 to move to the inner side of the sleeve 21, and the temperature sensor 1 squeezes the filter plate 26, and the bayonet 27 on the filter plate 26 is squeezed by the inner wall of the blowing port 24, so that the bayonet 27 compresses the spring 3 28 and moves to the inner side of the filter plate 26, and the temperature sensor 1 is sealed on the inner wall of the sleeve 21 through the sealing ring 22, so that the air in the sleeve 21 is compressed to the inner side of the inner cavity 23 through the through port, and the temperature sensor 1 is transmitted to the inner side of the inner cavity 23 through the inner wall of the sleeve 21. The impurities on the side of the temperature sensor 1 are scraped off until the bottom of the temperature sensor 1 moves to the top of the blowing port 24, and the compressed air in the inner cavity 23 enters the blowing port 24 through the connecting pipe 25, and the impurities at the bottom of the temperature sensor 1 and the impurities at the bottom of the ferrule 21 are blown off by the high-pressure air, so that the temperature sensor 1 can be cleaned frequently to avoid the surface of the temperature sensor 1 being affected by more impurities and affecting its accuracy and sensitivity in temperature monitoring, thereby ensuring the accuracy and sensitivity of underground temperature monitoring.

[0022] A method for installing a temperature sensor for underground monitoring, characterized in that: Step 1: Quickly insert the tip of the screw into the underground detection point and fix the support plate with a tool to prevent the support plate from rotating; Step 2: Use a portable mobile power source to power the motor 1, the motor 1 drives the worm gear to rotate through the worm, the worm gear drives the circular plate to rotate on the inner side of the support plate, and then drives the screw pin to drill into the underground detection point by screwing; Step 3: The screw pin drives the circular plate and the support plate to move toward the underground detection point until the pointed cone on the support plate is inserted into the underground detection point, and the movable plate is squeezed to the inner side of the side sleeve by the underground detection point; Step 4: Connect the power to motor 2 and motor 1. Motor 2 pushes the sleeve through the screw rod, and the sleeve drives the temperature sensor to move from the inside of the sleeve to the outside until the temperature sensor moves to a suitable position.

[0023] The temperature sensor for underground monitoring and the installation method thereof provide electric energy for all electrical equipment through an external power supply. When in use, the tip of the screw pin 4 is quickly inserted into the underground detection point, the support plate 2 is fixed by a tool to prevent the support plate 2 from rotating, and the motor 7 is powered by a portable mobile power supply. The motor 7 drives the worm wheel 5 to rotate through the worm 6, and the worm wheel 5 drives the circular plate 3 to rotate on the inner side of the support plate 2, thereby driving the screw pin 4 to drill into the underground detection point by screwing, and the screw pin 4 drives the circular plate 3 and the support plate 2 to move toward the underground detection point until the pointed cone 29 on the support plate 2 is inserted into the underground detection point, and the pointed cone 29 can be used to fix the support plate 2, and the support plate 2 locks the worm wheel 5 through the worm 6, and then the screw pin 4 is driven by the circular plate 3. The pin 4 is fixed to prevent the screw pin 4 from rotating in the opposite direction due to vibration, tension and other factors, so as to ensure the firmness of the installation. The motor 2 8 and the motor 1 7 are powered, and the motor 2 8 pushes the prism 9 through the screw rod 10. The prism 9 drives the temperature sensor 1 to move outward from the inside of the card sleeve 21 until the temperature sensor 1 moves to a suitable position, so as to monitor the temperature at different positions, thereby improving the effect of underground temperature monitoring and ensuring the flexibility of underground temperature monitoring. When the screw pin 4 drives the circular plate 3 to be stuck into the outer side of the detection point underground, the movable plate 18 is squeezed to the inner side of the side sleeve 17, so that the movable plate 18 loses the fixing effect of the sealing wax 20. When the underground detection point is deformed due to a large external force, the When the screw pin 4 and the underground detection point become loose, the spring 2 19 pushes the movable plate 18, and the movable plate 18 moves outward on the inner side of the side sleeve 17. The movable plate 18 pulls the blocking rod 15 through the pull wire 16, and the blocking rod 15 moves downward from the inner side of the latch pin 12 to the inner side of the blocking groove 14, so that the latch pin 12 is pulled outward by the spring 13 after losing the lock of the blocking rod 15, so that the insertion rod 12 is inserted into the inner side of the underground detection point through its tip, thereby effectively locking the screw pin 4 to prevent the screw pin 4 from falling off, thereby ensuring the installation firmness of the temperature sensor 1. After the temperature sensor 1 has worked for a period of time and a certain amount of impurities have adhered to the temperature sensor 1, the motor 2 8 is turned on in the reverse direction through the remote control switch, and the motor 2 8 pushes the edge through the screw rod 10. The sleeve 9 moves toward the inner side of the screw pin 4, thereby driving the temperature sensor 1 to move toward the inner side of the ferrule 21. The temperature sensor 1 squeezes the filter plate 26, and the bayonet 27 on the filter plate 26 is squeezed by the inner wall of the blowing port 24, so that the bayonet 27 compresses the spring 3 28 and moves to the inner side of the filter plate 26. The temperature sensor 1 is sealed on the inner wall of the ferrule 21 through the sealing ring 22, so that the air in the ferrule 21 is compressed to the inner side of the inner cavity 23 through the through port, and the impurities on the side of the temperature sensor 1 are scraped off through the inner wall of the ferrule 21 until the bottom of the temperature sensor 1 moves to the top of the blowing port 24. The compressed air in the inner cavity 23 is passed into the blowing port 24 through the connecting pipe 25, and the impurities at the bottom of the temperature sensor 1 and the bottom of the ferrule 21 are blown away by high-pressure air.Therefore, the temperature sensor 1 can be cleaned frequently to prevent the surface of the temperature sensor 1 from being affected by a large amount of impurities, thereby ensuring the accuracy and sensitivity of the underground temperature monitoring.

[0024] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A temperature sensor for underground monitoring, comprising a temperature sensor (1) and a circular plate (3), wherein a fixing assembly is mounted on the circular plate (3), wherein the fixing assembly comprises a support plate (2) and a screw pin (4), wherein: A screwing assembly is mounted on the support plate (2), the screwing assembly comprising a worm (6) and a motor 1 (7); a telescopic assembly is mounted on the inner side of the screw pin (4), the telescopic assembly comprising a motor 2 (8) and a prism sleeve (9); a cleaning assembly is mounted on the bottom of the circular plate (3), the cleaning assembly comprising a clamping sleeve (21) and an inner cavity (23); a protective assembly is mounted on the clamping sleeve (21), the protective assembly comprising a filter plate (26) and a clamping pin (27); a locking assembly is mounted on the screw pin (4), the locking assembly comprising a latch (12) and a spring 1 (13); a pulling assembly is mounted on the circular plate (3), the pulling assembly comprising a side sleeve (17) and a movable plate (18); a blocking assembly is mounted on the latch pin (12), the blocking assembly comprising a blocking groove (14) and a blocking rod (15).

2. A temperature sensor for underground monitoring according to claim 1, characterized in that: The support plate (2) is sleeved on the outer side of the circular plate (3); an annular groove is provided on the inner side of the support plate (2); a worm wheel (5) is integrally formed on the outer side of the circular plate (3); the worm (6) is mounted on the inner side of the support plate (2) via a rotating shaft; the motor (7) is welded to the inner side of the support plate (2); one end of the worm (6) is keyed to the output shaft of the motor (7); and the worm (6) is meshed with the worm wheel (5).

3. A temperature sensor for underground monitoring according to claim 2, characterized in that: The screw pin (4) is integrally formed on the top of the circular plate (3); a groove is formed on the inner side of the screw pin (4); the bottom end of the groove sleeve (9) is welded to the top of the temperature sensor (1); the top end of the groove sleeve (9) extends to the inner side of the groove; the second motor (8) is mounted on the inner wall of the top end of the groove by means of bolts; a screw rod (10) is welded to the output shaft of the second motor (8); the bottom end of the screw rod (10) is mounted on the inner side of the groove sleeve (9) by means of threads; and a pointed cone (29) is welded to the top of the support plate (2).

4. A temperature sensor for underground monitoring according to claim 1, characterized in that: A slide groove (11) is formed at the top end of the screw pin (4), and the latch pin (12) is clamped in the inner side of the slide groove (11). One end of the latch pin (12) is connected to the inner wall of the other end of the slide groove (11) via a spring (13), and the other end of the latch pin (12) passes through the spring (13) and the slide groove (11) and extends to the outer side of the screw pin (4).

5. The temperature sensor for underground monitoring according to claim 1, characterized in that: The side sleeve (17) is welded to the top of the circular plate (3); the outer side of the bottom of the movable plate (18) is clamped on the inner wall of the top of the side sleeve (17); the bottom of the movable plate (18) is connected to the top of the circular plate (3) via a second spring (19); a sealing wax (20) is bonded to the inner wall of the top of the side sleeve (17); the sealing wax (20) is bonded to the outer side of the movable plate (18); and the top of the movable plate (18) extends to the outside of the side sleeve (17).

6. A temperature sensor for underground monitoring according to claim 5, characterized in that: The retaining groove (14) is formed on the inner side of the screw pin (4); a retaining opening is formed at the bottom of one end of the latch pin (12); the bottom end of the retaining rod (15) is clamped on the inner wall of the top of the retaining groove (14); the top end of the retaining rod (15) is clamped on the inner side of the retaining opening; the bottom end of the retaining rod (15) is connected to a pull wire (16); through holes are formed on the inner sides of the screw pin (4) and the circular plate (3); one end of the pull wire (16) passes through the through hole and the side sleeve (17) in sequence and is fixed to the bottom of the movable plate (18).

7. A temperature sensor for underground monitoring according to claim 1, characterized in that: The ferrule (21) is welded to the bottom of the circular plate (3), the inner diameter of the ferrule (21) is equal to the outer diameter of the temperature sensor (1), and a sealing ring (22) is welded to the top of the temperature sensor (1), the outer diameter of the sealing ring (22) is equal to the inner diameter of the ferrule (21).

8. The temperature sensor for underground monitoring according to claim 1, characterized in that: The inner cavity (23) is opened on the inner side of the circular plate (3), the inner cavity (23) is connected to the ferrule (21) through a through opening, a blowing port (24) is opened at the bottom of the ferrule (21), a connecting tube (25) is opened on the inner side of the ferrule (21), and the blowing port (24) is connected to the inner cavity (23) through the connecting tube (25).

9. A temperature sensor for underground monitoring according to claim 8, characterized in that: The outer side of the filter plate (26) is clamped on the inner wall of the clamping sleeve (21), and a clamping groove is provided on the inner side of the filter plate (26). One end of the clamping pin (27) is clamped on the inner side of the clamping groove, and the other end of the clamping pin (27) passes through the clamping groove and extends to the inner side of the mouthpiece (24). One end of the clamping pin (27) is connected to the inner wall of the clamping groove via a spring three (28).

10. A method for installing a temperature sensor for underground monitoring, characterized in that: Step 1: Quickly insert the tip of the screw into the underground detection point and fix the support plate with a tool to prevent the support plate from rotating; Step 2: Use a portable mobile power source to power the motor 1, the motor 1 drives the worm gear to rotate through the worm, the worm gear drives the circular plate to rotate on the inner side of the support plate, and then drives the screw pin to drill into the underground detection point by screwing; Step 3: The screw pin drives the circular plate and the support plate to move toward the underground detection point until the pointed cone on the support plate is inserted into the underground detection point, and the movable plate is squeezed to the inner side of the side sleeve by the underground detection point; Step 4: Connect the power to motor 2 and motor 1. Motor 2 pushes the sleeve through the screw rod, and the sleeve drives the temperature sensor to move from the inside of the sleeve to the outside until the temperature sensor moves to a suitable position.

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