Coal mine goaf temperature and pressure monitoring device
By designing a temperature and pressure monitoring device for coal mine goaf areas, accurate and convenient monitoring of goaf temperature and water level was achieved using temperature sensors and water level monitoring mechanisms. This solved the problems of high monitoring difficulty, low accuracy, and high risk in existing technologies, and enabled real-time data transmission.
Patent Information
- Application Number
- CN202520424117.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-12
AI Technical Summary
In existing technologies, monitoring of water level and temperature in coal mine goaf areas mainly relies on manual drilling, which is difficult, inaccurate, dangerous, and cannot be monitored in real time.
A temperature and pressure monitoring device for coal mine goaf was designed, including a comprehensive box, a support mechanism, a temperature sensor, and a water level monitoring mechanism. The temperature sensor accurately monitors the temperature at different locations, and the water level monitoring mechanism achieves real-time water level monitoring by forming a closed loop through the movement of a float and a transmission block, and transmits data through a wireless communication module.
It enables accurate and convenient monitoring of temperature and water level in coal mine goaf areas, reducing the difficulty and danger of monitoring, and enabling real-time data transmission.
Smart Images

Figure CN223856515U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mine goaf temperature and pressure monitoring device technical field especially relates to a coal mine goaf temperature and pressure monitoring device. BACKGROUND
[0002] With the mining depth and mining conditions change constantly, especially after mining, the geological data of the mining area are unclear, which easily causes water damage in the mining area. Once water inrush accident occurs in the mining area, it will not only increase the mine drainage cost and affect the normal production of the mine, but also cause the mine to be flooded if not found and drained in time, and even cause casualties in serious cases.
[0003] At present, the water level and water temperature monitoring of the coal mine goaf mainly relies on artificial drilling monitoring method, which has the disadvantages of high difficulty, low precision, high risk coefficient and inability to realize real-time monitoring. Therefore, the technical personnel in the field provide a coal mine goaf temperature and pressure monitoring device to solve the problems in the background technology. UTILITY MODEL CONTENT
[0004] The utility model discloses a coal mine goaf temperature and pressure monitoring device, which is simple to use, convenient to install and easy to carry, and solves the problems in the prior art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A coal mine goaf temperature and pressure monitoring device, comprising a comprehensive box, two support mechanisms, four temperature sensors and a water level monitoring mechanism, the support mechanism comprises a base, positioning holes are formed in the front and rear of the upper end face of the base, a support leg is fixedly connected to the center of one side of the upper end face of the base, clamping grooves are formed in the upper and lower end faces of the side of the support leg close to the positioning holes, clamping rods are movably sleeved in the clamping grooves close to the base, and a U-shaped handle is movably sleeved on the side of the outer surface of the clamping rod away from the clamping groove.
[0007] The water level monitoring mechanism comprises a connecting barrel, a waterproof ring is fixedly connected to the inside of the connecting barrel, a support column is movably sleeved in the waterproof ring, a conduction block is fixedly connected to the upper end face of the support column, a floating plate is fixedly connected to the lower end face of the support column, an inductor is fixedly connected to the inside of the connecting barrel, and conduction strips are fixedly connected to the lower end face of the inductor on both sides.
[0008] Further, the two support mechanisms are arranged on the two sides of the comprehensive box, and the water level monitoring mechanism is arranged in the connecting hole.
[0009] Further, battery grooves are formed in the upper end face of the comprehensive box close to both sides, and batteries are movably sleeved in the two battery grooves.
[0010] Further, two said battery tank inside the upper movable sleeve is provided with a cover, two said cover outer surface is fixed with waterproof pad in the center.
[0011] Further, the U-shaped handle side end face is fixedly connected to the side end face of the comprehensive box, and the lower end face of the comprehensive box is fixedly connected with the expansion block.
[0012] Further, the lower end face of two of the four temperature sensors is fixedly connected to the front and rear center of the upper end face of the comprehensive box, and the lower end face of the other two temperature sensors is fixedly connected to the upper end face of the two expansion blocks.
[0013] Further, the upper end face of the connecting barrel is fixedly connected with a protective shell, and the inner top surface of the protective shell is fixedly connected with a wireless communication module.
[0014] The utility model has the following beneficial effects:
[0015] 1. The utility model provides a coal mine goaf temperature and pressure monitoring device, takes out the clamping rod in the clamping groove of the support close to the base, then lifts the comprehensive box through the U-shaped handle, then inserts the clamping rod into the clamping groove of the support leg far away from the base, cooperates U-shaped handle use, make the comprehensive box be supported, the positioning hole on the base is used for positioning drilling, then fixes the base on the ground through the expansion bolt, a plurality of temperature sensors are arranged on the comprehensive box and are located on the expansion block of the front and rear end faces of the comprehensive box, and the temperature can be accurately monitored at different positions through the plurality of temperature sensors.
[0016] 2. The utility model provides a coal mine goaf temperature and pressure monitoring device, after supporting the comprehensive box, pull the floating plate and move it to the ground, when the ground has water and the water level rises, the floating plate will always float on the water surface, causing the support column to move upward in the connecting barrel, so that the conducting block rises in the connecting barrel, the conducting strip is composed of a connecting strip and a plurality of connecting blocks, the conducting block and the conducting strip are made of conductive material, and the conducting block rises and sequentially contacts the plurality of connecting blocks, and each contact forms a closed loop between the inductor, the battery, the conducting block and the conducting strip, so that the inductor triggers different number of responses according to the water level height, and finally the data of the inductor and the temperature sensor is transmitted to the remote end through the wireless communication module, and the battery is used for power supply of the whole equipment. DRAWINGS
[0017] Figure 1 It is the overall axis measurement schematic diagram of the utility model;
[0018] Figure 2 It is the side section schematic diagram of the utility model;
[0019] Figure 3It is the vertical section schematic view of the utility model;
[0020] Figure 4 It is the comprehensive box structure schematic view of the utility model;
[0021] Figure 5 It is the support mechanism structure schematic view of the utility model;
[0022] Figure 6 It is the water level monitoring mechanism structure schematic view of the utility model;
[0023] Figure 7 It is the connecting cylinder section view schematic view of the utility model;
[0024] Figure 8 It is the support column structure schematic view of the utility model.
[0025] Legend:
[0026] 1, comprehensive box; 2, lid; 3, temperature sensor; 4, protective shell; 5, expansion block; 6, support mechanism; 7, wireless communication module; 8, water level monitoring mechanism; 9, battery groove; 10, connecting hole; 11, waterproof pad; 12, storage battery; 601, support leg; 602, clamping groove; 603, clamping rod; 604, U-shaped handle; 605, base; 606, positioning hole; 801, connecting cylinder; 802, inductor; 803, floating plate; 804, conducting strip; 805, waterproof ring; 806, conducting block; 807, support column. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0028] Refer to Figure 1 , Figure 2 , Figure 3 , Figure 4The utility model provides an embodiment: a coal mine goaf temperature and pressure monitoring device, including comprehensive box 1, two support mechanism 6, four temperature sensor 3, water level monitoring mechanism 8, the upper end face of comprehensive box 1 is close to both sides and is equipped with battery groove 9, two battery groove 9 are all movably sleeved with battery 12, two battery groove 9 inside upper movable sleeve cover has the lid 2, two lid 2 outer surface is close to the center and is fixedly sleeved with waterproof pad 11, the lower end of comprehensive box 1 is fixedly connected with the extension block 5, two lower end surfaces of four temperature sensor 3 are fixedly connected on the upper end surface of comprehensive box 1 respectively near the center, and the lower end surfaces of other two temperature sensor 3 are fixedly connected on the upper end surfaces of two extension blocks 5 respectively.
[0029] Specifically, the battery 12 is placed in the battery groove 9 to supply power to the entire device, the lid 2 is movably sleeved on the upper inside of the battery groove 9, which facilitates battery replacement, and the outer surface of the lid 2 has a waterproof pad 11 to prevent water from entering the interior and damaging the battery. The temperature sensor 3 is located on the extension block 5 on the upper surface of the comprehensive box 1 and the front and rear end surfaces. The multiple temperature sensors 3 at different positions can accurately monitor the temperature.
[0030] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 5 The two support mechanisms 6 are arranged on the two sides of the comprehensive box 1. The support mechanism 6 includes a base 605. The upper end surface of the base 605 is provided with positioning holes 606 in front and rear. A support leg 601 is fixedly connected to the center of one side of the upper end surface of the base 605. Card slot grooves 602 are formed in the upper and lower end surfaces of one side of the support leg 601 close to the positioning holes 606. Card rods 603 are movably sleeved in the card slot grooves 602 close to the base 605. U-shaped handles 604 are movably sleeved on the outer surface of one side of the card rods 603 away from the card slot grooves 602. One side of the U-shaped handle 604 is fixedly connected to one side of the comprehensive box 1.
[0031] Specifically, the card rod 603 inserted in the card slot groove 602 close to the base 605 of the support is taken out, then the comprehensive box 1 is lifted by the U-shaped handle 604, and then the card rod 603 is inserted into the card slot groove 602 away from the base 605 of the support leg 601 from one side of the U-shaped handle 604. The U-shaped handle 604 is used in cooperation to make the comprehensive box 1 be supported up. The positioning holes 606 on the base 605 are used for positioning the drill hole, and then the base 605 is fixed to the ground by expansion bolts.
[0032] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 7 , Figure 8The water level monitoring mechanism 8 is arranged in the connecting hole 10, and the water level monitoring mechanism 8 comprises a connecting cylinder 801, the inside of the connecting cylinder 801 is fixedly connected with a waterproof ring 805 at the lower part, the waterproof ring 805 is movably sleeved with a supporting column 807, the upper end surface of the supporting column 807 is fixedly connected with a conducting block 806, the lower end surface of the supporting column 807 is fixedly connected with a floating plate 803, the inside of the connecting cylinder 801 is fixedly connected with an inductor 802 at the upper part, the lower end surface of the inductor 802 is fixedly connected with a conducting strip 804 at both sides, the upper end surface of the connecting cylinder 801 is fixedly connected with the protective shell 4, and the inner top surface of the protective shell 4 is fixedly connected with the wireless communication module 7.
[0033] Specifically, the floating plate 803 is pulled to move to the ground, the movement of the floating plate 803 drives the movement of the supporting column 807, the movement of the supporting column 807 drives the movement of the conducting block 806 to the lower position of the connecting cylinder 801, when the ground has water, the floating plate 803 will float on the water surface, and when the water level rises, the position of the floating plate 803 will follow the rise, so that the supporting column 807 will continuously move upwards in the connecting cylinder 801, so that the conducting block 806 will continuously rise in the connecting cylinder 801, the conducting strip 804 is composed of a connecting strip and a plurality of connecting blocks, the conducting strip 804 and the conducting block 806 are both made of conductive material, the conducting block 806 will be in contact with the plurality of connecting blocks in turn when it rises, and each contact will form a closed loop between the inductor 802, the battery 12, the conducting block 806 and the conducting strip 804, so that the inductor 802 will react.
[0034] Working principle: take out the clamping rod 603 inserted in the clamping groove 602 near the base 605 of the support, then lift the comprehensive box 1 through the U-shaped handle 604, then insert the clamping rod 603 from the side of the U-shaped handle 604 into the clamping groove 602 of the supporting leg 601 away from the base 605, cooperate with the U-shaped handle 604 for use, so that the comprehensive box 1 is supported, the positioning hole 606 on the base 605 is used for positioning the drill hole, and then the base 605 is fixed on the ground through the expansion bolt, and the battery 12 is used for power supply of the whole equipment;
[0035] Secondly, pull the floating plate 803 to move to the ground, make the conducting block 806 move to the lower position of the connecting cylinder 801, when the ground has water, the floating plate 803 will float on the water surface, and when the water level rises, the position of the floating plate 803 follows the rise, causing the support column 807 to move up in the connecting cylinder 801, thereby causing the conducting block 806 to rise in the connecting cylinder 801, the conducting strip 804 is composed of connecting strips and multiple connecting blocks, the conducting strip 804 and the conducting block 806 are made of conductive material, the conducting block 806 will be in contact with multiple connecting blocks in turn when it rises, and each contact will form a closed loop between the inductor 802, the battery 12, the conducting block 806 and the conducting strip 804, thereby causing the inductor 802 to react, different water levels, the inductor 802 will react different times, finally the data of the inductor 802 and the temperature sensor 3 are transmitted to the remote end through the wireless communication module 7.
[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A coal mine goaf temperature and pressure monitoring device, comprising a comprehensive box (1), two support mechanisms (6), four temperature sensors (3), a water level monitoring mechanism (8), characterized in that: The support mechanism (6) includes a base (605), the upper end surface of the base (605) is provided with a positioning hole (606) in front and back, the upper end surface of the base (605) is fixedly connected with a supporting leg (601) at the center of one side, the end surface of the supporting leg (601) near the positioning hole (606) is provided with a clamping groove (602) upward and downward, the clamping groove (602) near the base (605) is movably sleeved with a clamping rod (603), and the outer surface of the clamping rod (603) away from the clamping groove (602) is movably sleeved with a U-shaped handle (604). The water level monitoring mechanism (8) includes a connecting barrel (801), the inside of the connecting barrel (801) is fixedly connected with a waterproof ring (805) at the lower part, the waterproof ring (805) is movably sleeved with a supporting column (807), the upper end surface of the supporting column (807) is fixedly connected with a conduction block (806), the lower end surface of the supporting column (807) is fixedly connected with a floating plate (803), the inside of the connecting barrel (801) is fixedly connected with an inductor (802) at the upper part, and the lower end surface of the inductor (802) is fixedly connected with a conduction strip (804) at both sides.
2. The coal mine goaf temperature and pressure monitoring device according to claim 1, characterized in that: Two support mechanisms (6) are arranged on both sides of the comprehensive box (1), and the water level monitoring mechanism (8) is arranged in the connecting hole (10).
3. The coal mine goaf temperature and pressure monitoring device according to claim 1, characterized in that: The upper end surface of the comprehensive box (1) is provided with a battery groove (9) near both sides, and the battery groove (9) is movably sleeved with a storage battery (12).
4. The coal mine goaf temperature and pressure monitoring device according to claim 3, characterized in that: The inside of the battery groove (9) is movably sleeved with a cover (2) at the upper part, and the outer surface of the cover (2) is fixedly sleeved with a waterproof pad (11) at the center.
5. The coal mine goaf temperature and pressure monitoring device according to claim 1, characterized in that: The U-shaped handle (604) is fixedly connected with the one side end surface of the comprehensive box (1), and the comprehensive box (1) is fixedly connected with an expansion block (5) at the lower part of the front and rear end surfaces.
6. The coal mine goaf temperature and pressure monitoring device according to claim 5, characterized in that: The lower end surface of two of the four temperature sensors (3) is fixedly connected with the upper end surface of the comprehensive box (1) at the center of the front and rear, and the lower end surface of the other two temperature sensors (3) is fixedly connected with the upper end surface of the two expansion blocks (5).
7. The coal mine goaf temperature and pressure monitoring device according to claim 1, characterized in that: The upper end surface of the connecting barrel (801) is fixedly connected with a protective shell (4), and the inner top surface of the protective shell (4) is fixedly connected with a wireless communication module (7).