Underground temperature measuring device

Abstract

The utility model discloses an underground temperature measuring device which comprises an outer pipe body, the outer pipe body comprises a first outer pipe, a second outer pipe and a third outer pipe, the third outer pipe is sleeved with the second outer pipe, the second outer pipe is sleeved with the first outer pipe, the two sides of the first outer pipe are fixedly connected with limiting blocks, and the limiting blocks are fixedly connected with the first outer pipe. A heat conduction block is fixedly connected to the outer side of the lower end of the third outer pipe, the rear end of the heat conduction block is located in the third outer pipe and connected with a temperature sensor in an embedded mode, a fixing disc is fixedly connected to the position, close to the upper end, in the first outer pipe, and an electric telescopic rod is fixedly connected to the lower side of the fixing disc. The output end of the electric telescopic rod is fixedly connected with the inner bottom of the third outer pipe, a measuring wire is connected to a temperature sensor in an electric smelting mode, a controller is fixedly connected to the upper side of the fixing disc, and the other end of the measuring wire is connected with the controller in an electric smelting mode. By means of the structure, operation is easy, installation is avoided, telescopic performance is achieved, occupied space is small, and carrying is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of underground temperature survey, in particular to an underground temperature measuring device. Background Art

[0002] Gangue mountains have become the area with the most severe site conditions, the largest stacking volume and the greatest difficulty in governance in coal mining areas. Gangue accounts for an average of about 20% of the mining volume. At present, the comprehensive utilization rate of gangue in my country is about 30%-40%. Most of them are piled up nearby as waste, forming gangue mountains of varying sizes, occupying land and destroying the landscape. According to statistics, there are more than 5,000 gangue mountains in the country, of which about 1 / 3 have spontaneous combustion to varying degrees. Spontaneous combustion of gangue mountains, ashification of organic matter, and volatilization of sulfur decomposition make the stability of gangue mountains worse. When they are eroded by artificial excavation, explosion or heavy rain, they are prone to collapse, landslide, mudslide and other geological disasters. Spontaneous combustion of gangue causes serious pollution and great damage to the ecological environment and landscape of mining areas, and also causes many other related social and environmental problems.

[0003] At present, the temperature of the waste rock pile needs to be monitored in real time during its treatment. The existing temperature monitoring method mainly uses thermocouples for monitoring, which are installed in thermal conductive inserts. However, the thermocouples are fixedly installed. During on-site installation, due to environmental restrictions, the thermocouples cannot accurately reach the specified depth, which affects the accuracy of temperature monitoring. At the same time, the thermal conductive inserts are too long and inconvenient to carry. Therefore, an underground temperature measurement device is proposed. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an underground temperature measuring device, which solves the problems of inconvenience in operation and carrying.

[0005] The utility model also provides an underground temperature measuring device as described above, comprising an outer tube body, wherein the outer tube body comprises a first outer tube, a second outer tube and a third outer tube, the third outer tube is sleeved with the second outer tube, the second outer tube is sleeved with the first outer tube, both sides of the first outer tube are fixedly connected with limiting blocks, the outer side of the lower end of the third outer tube is fixedly connected with a heat conducting block, the rear end of the heat conducting block is located in the third outer tube, and is embedded and connected with a temperature sensor, a fixed plate is fixedly connected at a position near the upper end of the first outer tube, an electric telescopic rod is fixedly connected to the lower side of the fixed plate, the output end of the electric telescopic rod is fixedly connected to the bottom of the third outer tube, a measuring wire is electrically fused to the temperature sensor, a controller is fixedly connected to the upper side of the fixed plate, and the other end of the measuring wire is electrically fused to the controller.

[0006] According to the underground temperature measuring device, the controller is provided with a temperature display and a control switch.

[0007] According to the underground temperature measuring device, the electric telescopic rod is connected to an external power source through a controller.

[0008] According to the underground temperature measuring device, the heat conducting block is made of heat conducting material.

[0009] According to the underground temperature measuring device, the temperature sensor adopts a PT100 thermal resistor, specifically WZP-035, and the accuracy of the sensor is 0.1 degrees Celsius.

[0010] The utility model has the following beneficial effects:

[0011] In the utility model, the second outer tube and the third outer tube are extended by the electric telescopic rod, and the third outer tube stops when it touches the bottom. The temperature is then transmitted to the temperature sensor by the heat conductive block, and the geothermal temperature is sensed by the temperature sensor. The temperature signal is then transmitted to the temperature display through the measuring wire. The utility model is simple to operate, does not require installation, is retractable, occupies little space, and is easy to carry.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a structural diagram of an underground temperature measuring device of the utility model;

[0015] Figure 2 This is a cross-sectional view of an underground temperature measuring device of the utility model;

[0016] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0017] Figure 4 This is a controller structure diagram of an underground temperature measuring device of the utility model.

[0018] Legend:

[0019] 1. Outer tube body; 11. First outer tube; 12. Second outer tube; 13. Third outer tube; 2. Limit block; 3. Measuring drill hole; 4. Electric telescopic rod; 5. Fixed plate; 6. Heat transfer block; 7. Temperature sensor; 8. Measuring wire; 9. Controller; 91. Temperature display; 92. Control switch. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment is an underground temperature measuring device, which includes an outer tube body 1, the outer tube body 1 includes a first outer tube 11, a second outer tube 12 and a third outer tube 13, the third outer tube 13 is sleeved with the second outer tube 12, the second outer tube 12 is sleeved with the first outer tube 11, the first outer tube 11 is fixedly connected with limit blocks 2 on both sides, and the limit blocks 2 are used to fix the outer tube body 1, and the lower end of the third outer tube 13 is fixedly connected with a heat conducting block 6 on the outer side, and the heat conducting block 6 is selected from a heat conducting material, such as aluminum and copper. The rear end of the heat conducting block 6 is located in the third outer tube 13, and is embedded with a temperature sensor 7. The temperature sensor 7 adopts a PT100 thermal resistor, and the specific model is WZP-035. The accuracy of the sensor is 0.1 degrees Celsius. The heat conducting block 6 is transmitted to the temperature sensor 7, and then the temperature sensor 7 is used to sense the geothermal temperature;

[0022] A fixing plate 5 is fixedly connected to a position near the upper end of the first outer tube 11, an electric telescopic rod 4 is fixedly connected to the lower side of the fixing plate 5, an output end of the electric telescopic rod 4 is fixedly connected to the inner bottom of the third outer tube 13, and the second outer tube 12 and the third outer tube 13 are driven to extend or contract by the electric telescopic rod 4, a measuring wire 8 is electrically fused to the temperature sensor 7, a controller 9 is fixedly connected to the upper side of the fixing plate 5, the other end of the measuring wire 8 is electrically fused to the controller 9, a temperature display 91 and a control switch 92 are provided on the controller 9, and the electric telescopic rod 4 is externally connected to a power source via the controller 9.

[0023] Working principle: When in use, first drill a hole with a drilling machine, then place the outer tube body 1 in the measuring borehole 3, then connect the controller 9 and the electric telescopic rod 4 to the power supply, start the electric telescopic rod 4 through the controller 9, and the electric telescopic rod 4 drives the second outer tube 12 and the third outer tube 13 to extend, and stops when the third outer tube 13 touches the bottom. At this time, the temperature is transmitted to the temperature sensor 7 through the heat conductive block 6, and then the temperature sensor 7 is used to sense the geothermal temperature, and then the temperature signal is transmitted to the temperature display 91 through the measuring wire 8. It is simple to operate, does not require installation, is retractable, occupies a small space, and is easy to carry.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An underground temperature measuring device, characterized in that: include: An outer tube body (1), the outer tube body (1) comprising a first outer tube (11), a second outer tube (12) and a third outer tube (13), the third outer tube (13) being sleeved with the second outer tube (12), the second outer tube (12) being sleeved with the first outer tube (11), both sides of the first outer tube (11) being fixedly connected to limit blocks (2), the outer side of the lower end of the third outer tube (13) being fixedly connected to a heat conducting block (6), the rear end of the heat conducting block (6) being located in the third outer tube (13) and embedded in the A temperature sensor (7) is connected; a fixed plate (5) is fixedly connected to a position near the upper end of the first outer tube (11); an electric telescopic rod (4) is fixedly connected to the lower side of the fixed plate (5); an output end of the electric telescopic rod (4) is fixedly connected to the bottom of the third outer tube (13); a measuring wire (8) is electrically fused to the temperature sensor (7); a controller (9) is fixedly connected to the upper side of the fixed plate (5); and the other end of the measuring wire (8) is electrically connected to the controller (9).

2. An underground temperature measuring device according to claim 1, characterized in that: The controller (9) is provided with a temperature display (91) and a control switch (92).

3. An underground temperature measuring device according to claim 2, characterized in that: The electric telescopic rod (4) is connected to an external power source via a controller (9).

4. An underground temperature measuring device according to claim 3, characterized in that: The heat conducting block (6) is made of a heat conducting material.

5. The underground temperature measuring device according to claim 4, characterized in that: The temperature sensor (7) is a PT100 thermal resistor, specifically WZP-035, and the accuracy of the sensor is 0.1 degrees Celsius.

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