Deformation monitoring and alarming system and method for deep chamber

Abstract

The invention belongs to the technical field of mine safety, and particularly discloses a deep chamber deformation monitoring and alarming system and method.The deep chamber deformation monitoring and alarming system comprises an infrared light emitting module, a position indicating module, an optical module, a position logic unit, an alarming module and a computer control terminal, and the infrared light emitting module is used for emitting infrared light to irradiate the position indicating module; the position indication module reflects infrared light to the optical module for marking the current position; the optical module and the position logic unit are used for logically judging and processing the received position information and then transmitting the position information to the alarm module and the computer control terminal, the alarm module is used for alarming in the chamber, and the computer control terminal is used for recording signals, monitoring displacement changes and alarming at the control end. According to the deep chamber deformation monitoring and alarming system and method, deformation and water inrush conditions of the deep chamber can be continuously monitored, an alarm is given out immediately if abnormity is found, the safety of underground operation is enhanced, and the deep chamber deformation monitoring and alarming system and method are suitable for being popularized to the field of deep engineering such as underground mining.

Description

Technical Field

[0001] The present invention relates to the field of mine safety technology, and in particular to a deep chamber deformation monitoring and alarm system and method. Background Art

[0002] With the rising demand for mineral resources around the world, mining is gradually moving to deeper levels. In this process, due to the challenges of geological conditions such as high pressure, high temperature and high osmotic pressure, the chambers and supporting structures of mines are facing the risk of deformation and damage, which may lead to serious safety accidents such as landslides, sidewall shedding and water inrush. Therefore, effective deformation and water inrush monitoring of deep mines and timely early warning are crucial to ensure the safe operation of mines.

[0003] At present, the safety monitoring and early warning system of deep mines relies on the collection of underground data and is implemented by establishing a safety monitoring and early warning model or cloud computing. Although this method has achieved certain results, since the analysis and decision-making process needs to be completed on the cloud or server side, rather than directly inside the mine, there is a certain delay in the monitoring and early warning process from data collection to cloud processing and then feedback to the mine, and it fails to achieve complete real-time monitoring.

[0004] In addition, although the sensors underground are very sensitive, the complex environment of deep mines often makes the collected data noisy. Although the noise reduction algorithm can improve the data quality to a certain extent, in the complex deep mine environment, the noise that exceeds the algorithm processing capacity may still interfere with the data and even lead to wrong decisions, which seriously affects the accuracy of monitoring and early warning. Summary of the invention

[0005] The purpose of the present invention is to provide a deep chamber deformation monitoring alarm system and method, which solves the problems of insufficient accuracy and low data processing efficiency when monitoring deformation and water inrush in deep mines in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides a deep chamber deformation monitoring and alarm system, comprising an infrared light emitting module, a position indicating module, an optical module, a position logic unit, an alarm module and a computer control terminal, wherein the infrared light emitting module is used to emit infrared light to illuminate the position indicating module, and the position indicating module reflects the infrared light to the optical module for marking the current position;

[0007] The optical module and position logic unit are used to perform logical judgment and processing on the received position information and transmit it to the alarm module and computer control terminal. The alarm module is used for alarm in the chamber, and the computer control terminal is used to record signals, monitor displacement changes and control end alarms.

[0008] Preferably, the infrared light transmitting module includes an infrared light transmitter, which illuminates the position indicating module by emitting infrared light, and the position indicating module includes a position indicator, which is used to reflect the infrared light. The optical module includes a camera and an image processing chip, and the camera is used to capture an image with the position indicator, and the image processing chip is used to extract the position information of the image.

[0009] Preferably, the position logic unit includes a displacement judgment chip and a communication chip. The displacement judgment chip is used to compare the position information obtained before and after to judge the displacement, and the communication chip is used to transmit the processed signal to the alarm module and the computer terminal.

[0010] Preferably, the position indicator comprises a bowl-shaped structure with an infrared reflective coating on the upper portion and bolts connected to the bowl-shaped structure at the lower portion, wherein the bowl-shaped structure is used to reflect infrared light in different directions and increase the visibility of the position indicator in the camera.

[0011] Preferably, the camera is connected to the image processing chip, the displacement judgment chip and the communication chip in sequence and then connected to the alarm module and the computer control terminal. The alarm module includes an audible and visual alarm connected to the communication chip.

[0012] Preferably, the displacement determination chip and the image processing chip, the communication chip and the displacement determination chip, the communication chip and the computer control terminal, and the sound and light alarm and the communication chip are all connected via optical fibers or wires.

[0013] A monitoring and alarm method for a deep chamber deformation monitoring and alarm system comprises the following steps:

[0014] Step S1, selecting the surface to be monitored in the deep chamber, determining the installation position of the deep chamber deformation monitoring and alarm system, and reasonably fixing and connecting each module;

[0015] Step S2, measuring the angle between the line connecting the position indicator and the camera and the horizontal plane as θ, the width of the bowl-shaped structure on the position indicator as W, and the focal length of the camera as F;

[0016] Step S3, the infrared light transmitter in the infrared light transmitting module transmits infrared light to illuminate the position indicator, the position indicator reflects the infrared light to the camera, the camera captures an image with the position of the position indicator, and the position of the position indicator in the image is converted into plane coordinate information through the image processing chip;

[0017] Step S4, the displacement judgment chip converts the front and rear position information into relative displacement, performs logic judgment on the relative displacement, and then sends it to the communication chip;

[0018] Step S5: The communication chip sends the received relative displacement to the computer control terminal for recording, monitoring and early warning, and sends the electrical signal to the alarm module for alarm in the cavern.

[0019] Preferably, in step S4, the specific process of the logic judgment processing is: the displacement judgment chip converts the received position signal into a relative displacement, which represents the relative movement distance from the previous reference point; the displacement judgment chip judges whether the relative displacement exceeds a preset safety range, that is, the maximum allowable displacement. If the relative displacement does not exceed this range, the displacement judgment chip sends the value of the relative displacement to the communication chip through the communication interface.

[0020] Preferably, determining whether the relative displacement exceeds a preset maximum allowable displacement comprises the following steps:

[0021] S41, using a camera to capture an image of the position indicator reflecting infrared light, determining the initial point A0 (X0, Y0) of the signal recording with the center point of the position indicator, and setting the maximum allowable displacements D and D* at the initial point, where D is the maximum allowable displacement parallel to the detection surface, and D* is the maximum allowable displacement perpendicular to the detection surface;

[0022] S42. If the monitoring surface is deformed, the position of the position indicator that reflects the infrared light changes, and a new recording point A1 (X1, Y1) is generated in the captured image, where:

[0023] The horizontal displacement D in the image 1x :

[0024] D 1x =X1-X0;

[0025] Right now:

[0026] D nx =X n -X (n-1) ;

[0027] The vertical displacement D in the image 1y :

[0028]

[0029] Right now:

[0030]

[0031] Produce a relative displacement D1, where:

[0032]

[0033] If the monitoring surface continues to deform, a new recording point A2 (X2, Y2) is generated, resulting in a relative displacement D2, where:

[0034]

[0035] Right now:

[0036]

[0037] ∑D n =D1+D2+…+D n ;

[0038] At the same time, the pixel width P1 of the position indicator in the image is measured and used to calculate the displacement perpendicular to the detection surface:

[0039]

[0040] Right now:

[0041]

[0042] ∑D * n =D * 1+D * 2+…+D * n

[0043] If the monitoring surface continues to deform, new recording points A will continue to be generated. n , relative displacement D n and D* n , all recorded points A n and relative displacement D n and D* n Send to the computer control terminal;

[0044] S43. Comparison of deep chamber deformation monitoring and alarm systems D and Dn, D* and D* n and ∑D n and∑D* n :

[0045] If D>D n And D*>D* n Continue recording;

[0046] If D <D n or D* <D* n System alarm;

[0047] If D>∑D n Or D*>∑D* n System alarm;

[0048] If the signal is lost, a new record point A∞(∞,∞) is generated and the system alarms.

[0049] Preferably, in step S5, the communication chip receives the relative displacement data from the displacement judgment chip, and forwards the relative displacement data to the computer control terminal. After the computer control terminal receives the relative displacement data, it determines whether the relative displacement exceeds a preset safety threshold. If it exceeds, the computer control terminal alarm is triggered, and the communication chip sends an electrical signal to the sound and light alarm to activate the sound and light alarm. After the sound and light alarm receives the electrical signal, it performs a sound and light alarm in the chamber.

[0050] Therefore, the present invention adopts the above-mentioned deep chamber deformation monitoring alarm system and method, and the beneficial effects are as follows:

[0051] The present invention successfully achieves displacement monitoring accuracy within 7 mm, and the entire process from monitoring to deformation occurrence to alarm is no more than 0.5 seconds; in addition, the technical device is compactly designed, which is convenient for installation and deployment in deep chambers, supporting comprehensive and continuous monitoring of the chambers; this technological breakthrough effectively solves the challenges encountered by traditional monitoring technologies in deep chambers, such as low monitoring accuracy, slow data processing speed, and difficulty in achieving full coverage monitoring of the chamber due to the large size of the equipment.

[0052] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 It is an overall structural block diagram of an embodiment of a deep chamber deformation and water inrush monitoring and alarm system of the present invention;

[0054] Figure 2 It is a side view of an infrared light emitting module of an embodiment of a deep chamber deformation monitoring and alarm system of the present invention;

[0055] Figure 3 It is a schematic diagram of a position indication module of an embodiment of a deep chamber deformation monitoring and alarm system of the present invention;

[0056] Figure 4 It is a schematic diagram of an optical module of an embodiment of a deep chamber deformation monitoring and alarm system of the present invention;

[0057] Figure 5 It is a schematic diagram of a position logic unit of an embodiment of a deep chamber deformation monitoring and alarm system of the present invention;

[0058] Figure 6 It is a schematic diagram of an alarm module of an embodiment of a deep chamber deformation monitoring and alarm system of the present invention;

[0059] Figure 7It is a schematic diagram of installation in a tunnel of an embodiment of a monitoring and alarm method of a deep chamber deformation monitoring and alarm system of the present invention;

[0060] Figure 8 The present invention is a schematic diagram of the principle of measuring the displacement perpendicular to the detection surface in an embodiment of a monitoring and alarm method of a deep chamber deformation monitoring and alarm system.

[0061] Reference numerals

[0062] 1. Infrared light transmitting module; 11. Infrared light transmitter;

[0063] 2. Position indication module; 21. Position indicator;

[0064] 3. Optical module; 31. Camera; 32. Image processing chip

[0065] 4. Position logic unit; 41. Displacement judgment chip; 42. Communication chip;

[0066] 5. Alarm module; 51. Sound and light alarm;

[0067] 6. Computer control terminal. DETAILED DESCRIPTION

[0068] The technical solution of the present invention is further described below through the accompanying drawings and embodiments.

[0069] Unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0070] like Figure 1As shown, a deep chamber deformation monitoring and alarm system includes an infrared light emitting module 1, a position indicating module 2, an optical module 3, a position logic unit 4, an alarm module 5 and a computer control terminal 6. The optical module 3 and the position logic unit 4 are connected and then connected to the computer control terminal 6. The connection method between the optical module 3 and the position logic unit 4 is not unique, and the operator can freely adjust the connection method according to the on-site situation. The alarm module 5 is connected to the position logic unit 4, and the computer control terminal 6 is connected to the position logic unit 4.

[0071] The infrared light transmitting module 1 is used to transmit infrared light to illuminate the position indicating module 2, and the relative positions of the infrared light transmitting module 1 and the position indicating module 2 are not unique, and the operator can freely adjust the placement according to the on-site conditions. The position indicating module 2 reflects infrared light to the optical module 3 to indicate the current position, and the optical module 3 and the position logic unit 4 are used to perform logical judgment and processing on the received position information and transmit it to the alarm module 5 and the computer control terminal 6. The alarm module 5 is used for alarming in the chamber, and the computer control terminal 6 is used to record signals, monitor displacement changes and control end alarms. The connection method between the optical module 3, the position logic unit 4 and the computer control terminal 6 is not unique, and the operator can freely adjust the connection method according to the on-site conditions.

[0072] Specifically, Figure 2 As shown, the infrared light emitting module 1 includes an infrared light emitter 11. The infrared light emitter 11 emits infrared light to illuminate the position indicating module 2. Figure 3 As shown, the position indicating module 2 includes a position indicator 21, which is used to reflect infrared light. Its installation method and position are not unique, and the operator can freely adjust the installation position and setting angle according to the on-site conditions.

[0073] like Figure 4 As shown, the optical module 3 includes a camera 31 and an image processing chip 32. The camera 31 is used to capture an image with the position indicator 21, and the image processing chip 32 is used to extract the position information of the image. The position indicator 21 includes a bowl-shaped structure with an infrared reflective coating on the upper part and a bolt connected to the bowl-shaped structure at the lower part. The bowl-shaped structure is used to reflect infrared light in different directions and increase the visibility of the position indicator 21 in the camera 31. The area size, shape and setting angle of the bowl-shaped structure on the upper part of the position indicator 21 are not unique, and the operator can freely set it according to the on-site conditions.

[0074] like Figure 5 As shown, the position logic unit 4 includes a displacement judgment chip 41 and a communication chip 42. The displacement judgment chip 41 is used to compare the position information obtained before and after to judge the displacement, and the communication chip 42 is used to transmit the processed signal to the alarm module 5 and the computer terminal 6.

[0075] Specifically, the camera 31 is connected to the image processing chip 32, the displacement judgment chip 41 and the communication chip 42 in sequence, and then connected to the alarm module 5 and the computer control terminal 6. Figure 6 As shown, the alarm module 5 includes an audible and visual alarm 51 connected to the communication chip 42. The displacement judgment chip 41 and the image processing chip 32, the communication chip 42 and the displacement judgment chip 41, the communication chip 42 and the computer control 6 terminal, and the audible and visual alarm 51 and the communication chip 42 are all connected by optical fibers or wires, etc., which can quickly transmit signals.

[0076] During actual use, the staff fixes the position indication module 2 on the surface of the chamber that needs to be inspected, uses the infrared light emitting module 1 to illuminate the position indication module 2, uses the change in the position of the position indication module 2 captured by the optical module 3, and uses the optical module 3 and the position logic unit 4 to determine whether the surface is deformed or damaged and whether there is a risk of water inrush, and determines whether to trigger an alarm based on the set maximum allowable displacement.

[0077] A monitoring and alarm method for a deep chamber deformation monitoring and alarm system comprises the following steps:

[0078] Step S1: Figure 7 As shown, select the surface to be monitored in the deep chamber, determine the installation position of the deep chamber deformation monitoring and alarm system, and connect each module after fixing it reasonably;

[0079] Step S2, measuring that the angle between the line connecting the position indicator 21 and the camera 31 and the horizontal plane is θ, the width of the bowl-shaped structure on the position indicator 21 is W, and the focal length of the camera 31 is F;

[0080] Step S3, the infrared light transmitter 11 in the infrared light transmitting module 1 transmits infrared light to illuminate the position indicator 21, the position indicator 21 reflects the infrared light to the camera 31, the camera 31 captures an image with the position of the position indicator 21, and the image processing chip 32 converts the position of the position indicator 21 in the image into plane coordinate information; Figure 7 The long dashed line in the figure is the reflection path of the infrared light.

[0081] Step S4, the displacement judgment chip 41 converts the front and rear position information into relative displacement, performs logic judgment on the relative displacement and sends it to the communication chip 42;

[0082] The specific process of logical judgment processing is as follows: the displacement judgment chip 41 converts the received position signal into a numerical value representing the moving distance, which is the relative displacement, indicating the relative moving distance starting from the previous reference point; then, the displacement judgment chip 41 judges whether this relative displacement exceeds a pre-set safety range, that is, the maximum allowable displacement. If the relative displacement does not exceed this range, the displacement judgment chip 41 sends the relative displacement value to the communication chip 42 through the communication interface.

[0083] Determining whether the relative displacement exceeds the preset maximum allowable displacement includes the following steps:

[0084] S41, such as Figure 8 As shown, the image of the position indicator 21 reflecting infrared light is captured by the camera 31, the initial point A0 (X0, Y0) of the signal recording is determined by the center point of the position indicator 21, and the maximum allowable displacement D and D* at the initial point are set, wherein D is the maximum allowable displacement parallel to the detection surface, and D* is the maximum allowable displacement perpendicular to the detection surface;

[0085] S42, if the monitoring surface is deformed, the position of the position indicator 21 that reflects infrared light changes, and a new recording point A1 (X1, Y1) is generated in the captured image, where:

[0086] The horizontal displacement D in the image 1x :

[0087] D 1x =X1-X0;

[0088] Right now:

[0089] D nx =X n -X (n-1) ;

[0090] The vertical displacement D in the image 1y :

[0091]

[0092] Right now:

[0093]

[0094] Produce a relative displacement D1, where:

[0095]

[0096] If the monitoring surface continues to deform, a new recording point A2 (X2, Y2) is generated, resulting in a relative displacement D2, where:

[0097]

[0098] Right now:

[0099]

[0100] ∑D n =D1+D2+…+D n ;

[0101] At the same time, the pixel width P1 of the position indicator 21 in the image is measured and used to calculate the displacement perpendicular to the detection surface:

[0102]

[0103] Right now:

[0104]

[0105] ∑D * n =D * 1+D * 2+…+D * n

[0106] If the monitoring surface continues to deform, new recording points A will continue to be generated. n , relative displacement D n and D* n , all recorded points A n and relative displacement D n and D* n Sent to the computer control terminal 6.

[0107] S43. Comparison of deep chamber deformation monitoring and alarm systems D and Dn, D* and D* n and ∑D n and∑D* n :

[0108] If D>D n , D*>D* n Continue recording;

[0109] If D <D n or D* <D* n System alarm;

[0110] If D>∑D n Or D*>∑D* n System alarm;

[0111] If the signal is lost, a new record point A∞(∞,∞) is generated and the system alarms.

[0112] Step S5, the communication chip 42 sends the received relative displacement to the computer control terminal 6 for recording, monitoring and early warning, and sends the electrical signal to the alarm module 5 for alarm in the cave chamber.

[0113] The communication chip 42 receives the relative displacement data from the displacement judgment chip 41, and forwards the relative displacement data to the computer control terminal 6. After receiving the relative displacement data, the computer control terminal 6 determines whether the relative displacement exceeds the preset safety threshold. If exceeded, the computer control terminal 6 is triggered to alarm. The communication chip 42 sends an electrical signal to the sound and light alarm 51 to activate the sound and light alarm 51. After receiving the electrical signal, the sound and light alarm 51 performs a sound and light alarm in the chamber.

[0114] Therefore, the present invention adopts the above-mentioned deep chamber deformation monitoring alarm system and method, successfully achieving displacement monitoring accuracy within 7 mm, and the entire process from monitoring to deformation occurrence to alarm is no more than 0.5 seconds. In addition, the technical device is compact in design, easy to install and deploy in the mine chamber, and supports comprehensive and continuous monitoring of the chamber. This technological breakthrough effectively solves the challenges faced by traditional monitoring technology in deep mines, such as low monitoring accuracy, slow data processing speed, and difficulty in achieving full coverage monitoring of the chamber due to the large size of the equipment.

[0115] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A deep chamber deformation monitoring and alarm system, characterized in that: It includes an infrared light emitting module, a position indicating module, an optical module, a position logic unit, an alarm module and a computer control terminal. The infrared light emitting module is used to emit infrared light to illuminate the position indicating module, and the position indicating module reflects the infrared light to the optical module to indicate the current position. The optical module and position logic unit are used to perform logical judgment and processing on the received position information and transmit it to the alarm module and computer control terminal. The alarm module is used for alarm in the chamber, and the computer control terminal is used to record signals, monitor displacement changes and control end alarms.

2. A deep chamber deformation monitoring and alarm system according to claim 1, characterized in that: The infrared light transmitting module includes an infrared light transmitter, which emits infrared light to illuminate the position indicating module. The position indicating module includes a position indicator, which is used to reflect the infrared light. The optical module includes a camera and an image processing chip. The camera is used to capture an image with the position indicator, and the image processing chip is used to extract the position information of the image.

3. A deep chamber deformation monitoring and alarm system according to claim 2, characterized in that: The position logic unit includes a displacement judgment chip and a communication chip. The displacement judgment chip is used to compare the position information obtained before and after to judge the displacement, and the communication chip is used to transmit the processed signal to the alarm module and the computer terminal.

4. A deep chamber deformation monitoring and alarm system according to claim 3, characterized in that: The position indicator includes a bowl-shaped structure with an infrared reflective coating on the upper part and bolts connected to the bowl-shaped structure at the lower part. The bowl-shaped structure is used to reflect infrared light in different directions and increase the visibility of the position indicator in the camera.

5. A deep chamber deformation monitoring and alarm system according to claim 4, characterized in that: The camera is connected with the image processing chip, the displacement judgment chip and the communication chip in sequence, and then connected with the alarm module and the computer control terminal. The alarm module includes an audible and visual alarm connected with the communication chip.

6. A deep chamber deformation monitoring and alarm system according to claim 5, characterized in that: The displacement judgment chip and the image processing chip, the communication chip and the displacement judgment chip, the communication chip and the computer control terminal, and the sound and light alarm and the communication chip are all connected through optical fibers or wires.

7. A monitoring and alarm method for a deep chamber deformation monitoring and alarm system according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step S1, selecting the surface to be monitored in the deep chamber, determining the installation position of the deep chamber deformation monitoring and alarm system, and reasonably fixing and connecting each module; Step S2, measuring the angle between the line connecting the position indicator and the camera and the horizontal plane as θ, the width of the bowl-shaped structure on the position indicator as W, and the focal length of the camera as F; Step S3, the infrared light transmitter in the infrared light transmitting module transmits infrared light to illuminate the position indicator, the position indicator reflects the infrared light to the camera, the camera captures an image with the position of the position indicator, and the position of the position indicator in the image is converted into plane coordinate information through the image processing chip; Step S4, the displacement judgment chip converts the front and rear position information into relative displacement, performs logic judgment on the relative displacement, and then sends it to the communication chip; Step S5: The communication chip sends the received relative displacement to the computer control terminal for recording, monitoring and early warning, and sends the electrical signal to the alarm module for alarm in the cavern.

8. The monitoring and alarm method of the deep chamber deformation monitoring and alarm system according to claim 7 is characterized in that: In step S4, the specific process of logical judgment processing is: the displacement judgment chip converts the received position signal into a relative displacement, which represents the relative movement distance from the previous reference point; the displacement judgment chip judges whether the relative displacement exceeds a preset safety range, that is, the maximum allowable displacement. If the relative displacement does not exceed this range, the displacement judgment chip sends the value of the relative displacement to the communication chip through the communication interface.

9. A method for monitoring and alarming deformation of a deep chamber according to claim 8, characterized in that: Determining whether the relative displacement exceeds the preset maximum allowable displacement includes the following steps: S41, using a camera to capture an image of the position indicator reflecting infrared light, determining the initial point A0 (X0, Y0) of the signal recording with the center point of the position indicator, and setting the maximum allowable displacements D and D* at the initial point, where D is the maximum allowable displacement parallel to the detection surface, and D* is the maximum allowable displacement perpendicular to the detection surface; S42. If the monitoring surface is deformed, the position of the position indicator that reflects the infrared light changes, and a new recording point A1 (X1, Y1) is generated in the captured image, where: The horizontal displacement D in the image 1x : D 1x =X1-X0; Right now: D nx =X n -X (n-1) ; The vertical displacement D in the image 1y : Right now: Produce a relative displacement D1, where: If the monitoring surface continues to deform, a new recording point A2 (X2, Y2) is generated, resulting in a relative displacement D2, where: Right now: ∑D n =D1+D2+…+D n ; At the same time, the pixel width P1 of the position indicator in the image is measured and used to calculate the displacement perpendicular to the detection surface: Right now: ∑D * n =D * 1+D * 2+…+D * n If the monitoring surface continues to deform, new recording points A will continue to be generated. n , relative displacement D n and D* n , all recorded points A n and relative displacement D n and D* n Send to the computer control terminal; S43. Comparison of deep chamber deformation monitoring and alarm systems D and Dn, D* and D* n and ∑D n and∑D* n : If D>D n And D*>D* n Continue recording; If D <D n or D* <D* n System alarm; If D>∑D n Or D*>∑D* n System alarm; If the signal is lost, a new record point A∞(∞,∞) is generated and the system alarms.

10. A monitoring and alarm method for a deep chamber deformation monitoring and alarm system according to claim 9, characterized in that: In step S5, the communication chip receives the relative displacement data from the displacement judgment chip, and forwards the relative displacement data to the computer control terminal. After receiving the relative displacement data, the computer control terminal determines whether the relative displacement exceeds the preset safety threshold. If exceeded, the computer control terminal alarm is triggered, and the communication chip sends an electrical signal to the sound and light alarm to activate the sound and light alarm. After receiving the electrical signal, the sound and light alarm performs a sound and light alarm in the chamber.

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