Mine hand-held temperature measuring instrument with gas detection and early warning function

CN224840121UActive Publication Date: 2026-10-09SHANDONG SHIDAFU IND CONTROL TECH CO LTD
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Patent Information

Application Number
CN202522250568.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-24
Publication Date
2026-10-09
Estimated Expiration
2035-10-24

AI Technical Summary

Technical Problem

[0003]为了弥补以上不足,本实用新型提供了一种具有气体检测与预警功能的矿井手持式测温仪,旨在改善现有技术仅能够对矿井温度进行检测,无法同步检测有毒有害气体的问题

Benefits of technology

1、本实用新型中,设备前侧设置有气体检测装置,能够在该测温仪进行温度检测的同时,同步对矿井环境中的有毒有害气体进行检测,打破传统矿井手持式测温仪仅能单一测温,实现温度检测与气体检测的一体化操作,当环境中有毒有害气体浓度达到预设阈值时,气体检测装置可及时发出预警信号,让工作人员能够迅速知晓危险并采取相应的避险措施,有效避免因有害气体突然超标而导致的中毒类安全事故,极大地保障了矿井作业人员的生命安全。

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Abstract

The utility model relates to mine detection technical field discloses a kind of mine hand-held temperature measuring instrument with gas detection and early warning function, including main connecting rod, the top of main connecting rod is fixedly connected with upper connecting piece, the outer wall front side of main connecting rod is provided with gas detection mechanism, the gas detection mechanism is used to detect harmful gas in mine environment, the bottom of main connecting rod is provided with temperature measuring mechanism, the temperature measuring mechanism is used to detect mine environment temperature, the gas detection mechanism includes rear connecting ring, the inside of rear connecting ring is slidably connected in the outer wall front side of main connecting rod, the front side of rear connecting ring is fixedly connected with front connecting block, the top left side of front connecting block is provided with assembly component. In the utility model, equipment front side is provided with gas detection device, can synchronously detect toxic and harmful gas in mine environment, guarantee the life safety of mine operator.
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Description

Technical Field

[0001] This utility model relates to the field of mine detection technology, and in particular to a handheld mine temperature measuring instrument with gas detection and early warning functions. Background Technology

[0002] Handheld temperature measuring instruments for mines are portable temperature measurement devices used in mining environments. They employ high-precision temperature sensors, durable shells, and convenient grip structures, allowing safety monitoring personnel to monitor the temperature of equipment surfaces, ambient air, and critical work areas at any time during underground operations. They are compact, easy to operate, and adaptable to the humid and dusty conditions of mines, making them one of the commonly used portable tools for mine safety monitoring and daily maintenance. In mine production operations, it can monitor the operating temperature of mechanical equipment in real time, promptly detect temperature anomalies caused by equipment failure, avoid safety accidents caused by equipment overheating, and also conduct multi-point detection of underground ambient temperature, providing data support for the adjustment of mine ventilation system and the control of working face temperature, ensuring that miners work in a suitable temperature environment, and at the same time assisting in the judgment of whether there are potential hazards of local high temperature caused by geological activity. Currently available handheld thermometers for mines have limited functionality, only capable of measuring temperature. However, mine environments contain various toxic and harmful gases, and when the concentration of these gases exceeds the standard, it can easily lead to poisoning or explosion-related safety accidents. Since existing handheld thermometers cannot monitor these gases, when miners are using thermometers to work, if the concentration of harmful gases in the surrounding environment suddenly increases, it is difficult to detect in time, leading to dangerous situations and posing a great threat to the lives of mine workers. Utility Model Content

[0003] To overcome the above shortcomings, this utility model provides a handheld mine temperature measuring instrument with gas detection and early warning functions, aiming to improve the problem that the existing technology can only detect mine temperature and cannot simultaneously detect toxic and harmful gases.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a handheld mine thermometer with gas detection and early warning functions, comprising a main connecting rod, an upper connecting piece fixedly connected to the top of the main connecting rod, a gas detection mechanism provided on the front side of the outer wall of the main connecting rod, the gas detection mechanism being used to detect harmful gases in the mine environment, and a temperature measuring mechanism provided at the bottom of the main connecting rod, the temperature measuring mechanism being used to detect the temperature of the mine environment; The gas detection mechanism includes a rear connecting ring, which is internally slidably connected to the front side of the outer wall of the main connecting rod. A front connecting block is fixedly connected to the front side of the rear connecting ring. An assembly component is provided on the top left side of the front connecting block. An upper connecting block is fixedly connected to the top right side of the front connecting block. An upper gas outlet is fixedly connected to the top of the upper connecting block. A side quick-release assembly is provided at the bottom of the upper connecting block. A lower fixing rod is fixedly connected to the bottom of the front connecting block. A lower steering shaft is fixedly connected to the bottom of the lower fixing rod. A gas collection mechanism is provided at the bottom of the lower steering shaft.

[0005] As a further description of the above technical solution: The temperature measuring mechanism includes an upper connecting rod, the top of which is fixedly connected to the bottom of a main connecting rod. A lower connecting frame is fixedly connected to the bottom of the upper connecting rod, and a bottom connecting shell is fixedly connected to the bottom of the lower connecting frame. A contact component is provided on the front top of the bottom connecting shell, and a bottom slot is provided on the bottom of the bottom connecting shell. Two temperature measuring plates are fixedly connected to the top inner side of the bottom connecting shell, and pulleys are slidably connected to the opposite sides of the two temperature measuring plates.

[0006] As a further description of the above technical solution: The assembly assembly includes an assembly ring, the bottom of which is fixedly connected to the top left side of the front connecting block, and a rear fixing piece is fixedly connected to the rear side of the outer wall of the assembly ring.

[0007] As a further description of the above technical solution: The side quick-release assembly includes a quick-release ring, the bottom of which is fixedly connected to the top right side of the front connecting block, and a quick-release fixing piece is fixedly connected to the front side of the outer wall of the quick-release ring.

[0008] As a further description of the above technical solution: The gas collection mechanism includes a lower connecting block, the top of which is fixedly connected to the bottom of the lower steering shaft, and a collection brush is fixedly connected to the bottom of the lower connecting block.

[0009] As a further description of the above technical solution: The contact assembly includes a bottom connecting piece, the bottom of which is fixedly connected to the top front side of the bottom connecting shell, and the top of which is fixedly connected with a plurality of air contact holes.

[0010] As a further description of the above technical solution: The top of the upper connecting piece is fixedly connected to the upper integrated block, and a heat dissipation groove is provided on the top right side of the upper integrated block.

[0011] As a further description of the above technical solution: A handle is fixedly connected to the front side of the upper integrated block, and a display device is fixedly connected to the top of the upper integrated block.

[0012] This utility model has the following beneficial effects: 1. In this utility model, a gas detection device is installed on the front side of the equipment, which can simultaneously detect toxic and harmful gases in the mine environment while the thermometer is detecting the temperature. This breaks away from the traditional handheld thermometers in mines that can only measure temperature, and realizes the integrated operation of temperature detection and gas detection. When the concentration of toxic and harmful gases in the environment reaches the preset threshold, the gas detection device can issue an early warning signal in time, allowing workers to quickly know the danger and take corresponding avoidance measures, effectively avoiding poisoning accidents caused by sudden exceedance of harmful gases, and greatly protecting the life safety of mine workers.

[0013] 2. In this utility model, the bottom of the device is equipped with a small-sized temperature detection mechanism that is suitable for multiple usage scenarios. The small size will not increase the overall carrying burden of the equipment, making it convenient for workers to move and operate in narrow and complex mine environments. The temperature detection mechanism can also accurately detect the surface temperature of the mine equipment, promptly detect temperature abnormalities during equipment operation, and can also detect the ambient air temperature in the mine, improving the practicality and applicability of the thermometer in mine operations. Attached Figure Description

[0014] Figure 1 This is a three-dimensional view of a handheld temperature measuring instrument for mines with gas detection and early warning functions proposed in this utility model.

[0015] Figure 2 This is a right view of a handheld temperature measuring instrument for mines with gas detection and early warning functions proposed in this utility model.

[0016] Figure 3 This is a schematic diagram of the gas detection mechanism in a handheld mine thermometer with gas detection and early warning functions proposed in this utility model.

[0017] Figure 4 This is a schematic diagram of the temperature measuring mechanism in a handheld mine thermometer with gas detection and early warning functions proposed in this utility model.

[0018] Figure 5 This is a schematic diagram of the temperature measuring element in a handheld mine thermometer with gas detection and early warning functions proposed in this utility model.

[0019] Legend: 1. Main connecting rod; 2. Upper connecting piece; 3. Gas detection mechanism; 31. Rear connecting ring; 32. Front connecting block; 33. Assembly assembly; 331. Assembly ring; 332. Rear fixing piece; 34. Upper connecting block; 35. Upper air outlet; 36. Side quick-release assembly; 361. Quick-release ring; 362. Quick-release fixing piece; 37. Lower fixing rod; 38. Lower steering shaft; 39. Gas collection mechanism; 391. Lower connecting block; 392. Collection brush; 4. Temperature measuring mechanism; 41. Upper connecting rod; 42. Lower connecting frame; 43. Bottom connecting shell; 44. Contact assembly; 441. Bottom connecting piece; 442. Air contact hole; 45. Bottom slot; 46. Temperature measuring plate; 47. Pulley; 5. Upper integrated block; 6. Heat dissipation groove; 7. Handle; 8. Display device. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Reference Figure 1 , Figure 2 and Figure 3 An embodiment of this utility model is provided: a handheld mine thermometer with gas detection and early warning functions, including a main connecting rod 1, an upper connecting piece 2 fixedly connected to the top of the main connecting rod 1, a gas detection mechanism 3 provided on the front side of the outer wall of the main connecting rod 1, the gas detection mechanism 3 being used to detect harmful gases in the mine environment, and a temperature measuring mechanism 4 provided at the bottom of the main connecting rod 1, the temperature measuring mechanism 4 being used to detect the temperature of the mine environment. The gas detection mechanism 3 includes a rear connecting ring 31, which is internally slidably connected to the front side of the outer wall of the main connecting rod 1. A front connecting block 32 is fixedly connected to the front side of the rear connecting ring 31. An assembly component 33 is provided on the top left side of the front connecting block 32. An upper connecting block 34 is fixedly connected to the top right side of the front connecting block 32. An upper air outlet 35 is fixedly connected to the top of the upper connecting block 34. A side quick-release component 36 is provided at the bottom of the upper connecting block 34. A lower fixing rod 37 is fixedly connected to the bottom of the front connecting block 32. A lower steering shaft 38 is fixedly connected to the bottom of the lower fixing rod 37. A gas collection mechanism 39 is provided at the bottom of the lower steering shaft 38. Specifically, the main connecting rod 1 extends vertically, and its top end face is fixedly connected to the bottom end face of the upper connecting piece 2. The plate surface of the upper connecting piece 2 is perpendicular to the axis of the main connecting rod 1, and can be connected to an external carrying device through a pre-set through hole. The front side of the outer wall of the main connecting rod 1 is provided with a sliding groove extending along its length to provide sliding guidance for the gas detection mechanism 3, ensuring the installation stability of the gas detection mechanism 3 on the main connecting rod 1. The bottom end face of the main connecting rod 1 is fixedly connected to the top end face of the temperature measuring mechanism 4. The connection part of the two adopts a reinforcing rib structure to enhance the overall connection strength and ensure that the temperature measuring mechanism 4 will not shift due to external force during operation. The rear connecting ring 31 in the gas detection mechanism 3 is a ring structure. Its inner wall is adapted to the sliding groove on the front side of the outer wall of the main connecting rod 1. The inner wall surface is provided with a wear-resistant coating to reduce wear during sliding. The front outer wall of the rear connecting ring 31 is fixedly connected to the rear end face of the front connecting block 32. The connection part adopts welding process to ensure a firm connection. The front connecting block 32 is a cuboid structure with a groove on the top left side. The assembly component 33 is embedded in the groove and fixed to the front connecting block 32 by bolts. The internal space of the assembly component 33 is used to accommodate the gas sensor and related circuit components. The outer wall is provided with heat dissipation holes to prevent the internal components from being affected by high temperature. The top right side of the front connecting block 32 is fixedly connected to the bottom end face of the upper connecting block 34. The upper connecting block 34 has a hollow structure, and its internal channel is connected to the upper air outlet 35. The end face of the upper air outlet 35 has an inclined structure to facilitate the entry of gas. The bottom outer wall of the upper connecting block 34 is provided with a slot. One end of the side quick release component 36 is inserted into the slot, and the other end is connected to the front connecting block 32 through a pin. Pressing the side quick release component 36 can release the fixation to the upper connecting block 34. The bottom end face of the front connecting block 32 is fixedly connected to the top end face of the lower fixed rod 37. The lower fixed rod 37 is a cylindrical structure, and its axis is parallel to the axis of the main connecting rod 1. The bottom end face of the lower fixed rod 37 is fixedly connected to the top end face of the lower steering shaft 38. The lower steering shaft 38 is equipped with a damping shaft inside. The bottom end face of the lower steering shaft 38 is fixedly connected to the top end face of the gas collection mechanism 39. The gas collection mechanism 39 is a funnel-shaped structure, which facilitates the collection of gas in the surrounding environment. The small end is connected to the sensor in the assembly assembly 33 through a pipe.

[0022] Reference Figure 1 , Figure 4 and Figure 5 The temperature measuring mechanism 4 includes an upper connecting rod 41, the top of which is fixedly connected to the bottom of the main connecting rod 1. A lower connecting frame 42 is fixedly connected to the bottom of the upper connecting rod 41. A bottom connecting shell 43 is fixedly connected to the bottom of the lower connecting frame 42. A contact component 44 is provided on the front side of the top of the bottom connecting shell 43. A bottom slot 45 is provided on the bottom of the bottom connecting shell 43. Two temperature measuring plates 46 are fixedly connected to the top of the inner side of the bottom connecting shell 43. A pulley 47 is slidably connected to the two temperature measuring plates 46 on the opposite side. Specifically, the main connecting rod 1 extends vertically, and its top end face is fixedly connected to the bottom end face of the upper connecting piece 2. The plate surface of the upper connecting piece 2 is perpendicular to the axis of the main connecting rod 1 and can be connected to an external carrying device through a pre-set through hole. The front side of the outer wall of the main connecting rod 1 is provided with a sliding groove extending along its length to provide sliding guidance for the gas detection mechanism 3 and ensure the installation stability of the gas detection mechanism 3 on the main connecting rod 1. The bottom end face of the main connecting rod 1 is fixedly connected to the top end face of the temperature measuring mechanism 4. The connection part of the two adopts a reinforcing rib structure to enhance the overall connection strength and ensure that the temperature measuring mechanism 4 will not shift due to external force during operation. The upper connecting rod 41 in the temperature measuring mechanism 4 is set vertically, and its top end face is fixedly connected to the bottom end face of the main connecting rod 1 to form a continuation of the overall structure. The bottom end face of the upper connecting rod 41 is fixedly connected to the top end face of the lower connecting frame 42. The lower connecting frame 42 is a frame structure with a hollow area inside to reduce the overall weight. The bottom end face of the lower connecting frame 42 is fixedly connected to the top end face of the bottom connecting shell 43. The bottom connecting shell 43 is a closed shell structure with an internal space to protect the internal components from dust and moisture in the mine environment. The top front surface of the bottom connecting shell 43 is fixedly connected to the bottom end face of the contact component 44. The contact component 44 protrudes from the surface of the bottom connecting shell 43 and can directly contact the surface of the mine equipment to achieve temperature conduction. The bottom surface of the bottom connecting shell 43 is provided with a bottom groove 45, which penetrates the bottom of the bottom connecting shell 43, allowing external ambient air to enter the interior of the bottom connecting shell 43. The inner top surface of the bottom connecting shell 43 is fixedly connected to the top end face of two temperature measuring strips 46. The two temperature measuring strips 46 are symmetrically distributed along the central axis of the bottom connecting shell 43, respectively corresponding to different temperature detection requirements. The side surface of each temperature measuring strip 46 that is far away from each other is rotatably connected to the axle of the pulley 47. The pulley 47 can slide along the side of the temperature measuring strip 46 to adjust its position on the temperature measuring strip 46. The wheel surface of the pulley 47 protrudes from the side of the temperature measuring strip 46, which can reduce the friction when the temperature measuring strip 46 comes into contact with other components.

[0023] Reference Figure 1 and Figure 2Assembly component 33 includes an assembly ring 331, the bottom of which is fixedly connected to the top left side of the front connecting block 32. A rear fixing piece 332 is fixedly connected to the rear side of the outer wall of the assembly ring 331. Side quick-release assembly 36 includes a quick-release ring 361, the bottom of which is fixedly connected to the top right side of the front connecting block 32. A quick-release fixing piece 362 is fixedly connected to the front side of the outer wall of the quick-release ring 361. Gas collection mechanism 39 includes a lower connecting block 391, the top of which is fixedly connected to the lower steering shaft. At the bottom of 38, a collection brush 392 is fixedly connected to the bottom of the lower connecting block 391. The contact component 44 includes a bottom connecting piece 441. The bottom of the bottom connecting piece 441 is fixedly connected to the top front side of the bottom connecting shell 43. A plurality of air contact holes 442 are fixedly connected to the top of the bottom connecting piece 441. An upper integrated block 5 is fixedly connected to the top of the upper connecting piece 2. A heat dissipation groove 6 is opened on the top right side of the upper integrated block 5. A handle 7 is fixedly connected to the front side of the upper integrated block 5. A display device 8 is fixedly connected to the top of the upper integrated block 5. Specifically, the assembly ring 331 in the assembly assembly 33 is annular, and its bottom end face is fixedly connected to the top left surface of the front connecting block 32. The inner space of the assembly ring 331 is used to accommodate the core components related to gas detection. The rear side of the outer wall of the assembly ring 331 is fixedly connected to one end of the rear fixing piece 332. The other end of the rear fixing piece 332 is attached to the top left surface of the front connecting block 32 and fixed to the front connecting block 32 by bolts, thereby enhancing the stability of the connection between the assembly ring 331 and the front connecting block 32. The quick-release ring 361 in the side quick-release assembly 36 is a ring structure. Its bottom end face is fixedly connected to the top right surface of the front connecting block 32. The inner side of the quick-release ring 361 is adapted to the outer wall of the upper connecting block 34. The front side of the outer wall of the quick-release ring 361 is fixedly connected to one end of the quick-release fixing piece 362. The other end of the quick-release fixing piece 362 extends outward. It can be deformed by external force to achieve separation from the upper connecting block 34. The lower connecting block 391 in the gas collection mechanism 39 is a block structure. Its top end face is fixedly connected to the bottom end face of the lower steering shaft 38. The bottom end face of the lower connecting block 391 is fixedly connected to the top end face of the collecting brush 392. The collecting brush 392 is composed of multiple sets of fine bristles. The bristles spread outward to gather the gas in the surrounding environment, making it easier for the gas to enter the detection channel. The bottom connecting piece 441 in the contact assembly 44 is a sheet structure. Its bottom end face is fixedly connected to the top front surface of the bottom connecting shell 43. The top end face of the bottom connecting piece 441 is fixedly connected to the bottom end face of multiple air contact holes 442. The multiple air contact holes 442 are evenly distributed along the length direction of the bottom connecting piece 441. The air contact holes 442 are hollow structures and their interiors are connected to the internal space of the bottom connecting shell 43, which can conduct the external ambient temperature to the temperature measuring plate 46 inside the bottom connecting shell 43. The top end face of the upper connecting piece 2 is fixedly connected to the bottom end face of the upper integrated block 5. The upper integrated block 5 has an integrated control circuit inside, which can process the signals transmitted by the gas detection mechanism 3 and the temperature measuring mechanism 4. A heat dissipation groove 6 is provided on the top right surface of the upper integrated block 5. The heat dissipation groove 6 extends along the length direction of the upper integrated block 5 and is connected to the internal space of the upper integrated block 5, which is used to dissipate the heat generated by the upper integrated block 5 during operation. The front surface of the upper integrated block 5 is fixedly connected to the rear end of the handle 7. The handle 7 extends horizontally, and its outer wall contacts the operator's hand, making it easy to hold the device for operation. The top end face of the upper integrated block 5 is fixedly connected to the bottom end face of the display device 8. The display device 8 is connected to the control circuit inside the upper integrated block 5, which can present the detected gas information and temperature information in a visual form.

[0024] Working principle: In the mine working environment, the operator holds the handle 7 and places the whole device in the required detection position through the main connecting rod 1. At this time, the gas detection mechanism 3 and the temperature measuring mechanism 4 enter the working state simultaneously, respectively detecting harmful gases and temperature in the mine environment. All components work together to complete the detection task. During the operation of the gas detection mechanism 3, the rear connecting ring 31 can slide along the front side of the outer wall of the main connecting rod 1, driving the front connecting block 32 and the components connected above and below it to adjust their positions to adapt to different gas detection points. The upper connecting block 34 on the top right side of the front connecting block 32 is connected to the upper air outlet 35, and the outside gas can enter the internal channel of the upper connecting block 34 through the upper air outlet 35. Meanwhile, the lower fixing rod 37 at the bottom of the front connecting block 32 supports the lower steering shaft 38. The lower steering shaft 38 can rotate to adjust the direction of the gas collection mechanism 39, so that the collecting brush 392 at the bottom of the lower connecting block 391 can better gather the surrounding gas. The collected gas is transmitted to the assembly assembly 33 through the corresponding channel. In the assembly assembly 33, the gas detection core element housed inside the assembly ring 331 analyzes and detects the transmitted gas. The rear fixing plate 332 secures the assembly ring 331 to the front connecting block 32 with bolts to ensure the stability of the detection process. If maintenance of the gas detection-related components is required, the quick-release fixing plate 362 of the quick-release assembly 36 on the operating side can be used to deform the quick-release ring 361 and release the fixation with the upper connecting block 34, thereby facilitating component disassembly. When the temperature measuring mechanism 4 is working, the upper connecting rod 41 transmits the supporting force of the main connecting rod 1 to the lower connecting frame 42. The lower connecting frame 42 further supports the bottom connecting shell 43. When it is necessary to detect the surface temperature of the mine equipment, the contact component 44 on the front side of the top of the bottom connecting shell 43 contacts the equipment surface. The air contact hole 442 on the top of the bottom connecting piece 441 conducts the temperature of the equipment surface to the inside of the bottom connecting shell 43. The bottom slot 45 at the bottom of the bottom connecting shell 43 allows ambient air to enter the shell, which facilitates the detection of ambient temperature. The two temperature measuring pieces 46 on the top of the inner side of the bottom connecting shell 43 respectively receive the equipment surface temperature conducted from the contact component 44 and the ambient air temperature entering through the bottom slot 45. The pulley 47 on the side away from the two temperature measuring pieces 46 can slide, reducing the friction of the temperature measuring pieces 46 when in contact with other parts, and ensuring the stable operation of the temperature measuring pieces 46. The harmful gas information detected by the gas detection mechanism 3 and the temperature information detected by the temperature measuring mechanism 4 are both transmitted to the upper integrated block 5. The control circuit inside the upper integrated block 5 processes this information and transmits the processed information to the display device 8. The display device 8 presents the gas information and temperature information to the operator in a visual form. The heat dissipation slot 6 on the top right of the upper integrated block 5 dissipates the heat generated during its operation to ensure the normal operation of the upper integrated block 5. The upper connecting piece 2 enhances the structural stability of the top of the device by being fixedly connected to the upper integrated block 5. By adjusting the sliding of the rear connecting ring 31 in the gas detection mechanism 3, gathering the gas in the collecting brush 392, and detecting the core components in the assembly ring 331, combined with the temperature conduction of the contact component 44 in the temperature measuring mechanism 4 and the temperature sensing of the temperature measuring plate 46, and then through the information processing and display device 8 of the upper integrated block 5, the synchronous detection of harmful gases and temperature in the mine environment is realized.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A handheld mine thermometer with gas detection and early warning functions, comprising a main connecting rod (1), characterized in that: The top of the main connecting rod (1) is fixedly connected to an upper connecting piece (2), and a gas detection mechanism (3) is provided on the front side of the outer wall of the main connecting rod (1). The gas detection mechanism (3) is used to detect harmful gases in the mine environment. A temperature measuring mechanism (4) is provided at the bottom of the main connecting rod (1). The temperature measuring mechanism (4) is used to detect the temperature of the mine environment. The gas detection mechanism (3) includes a rear connecting ring (31), which is internally slidably connected to the front side of the outer wall of the main connecting rod (1). A front connecting block (32) is fixedly connected to the front side of the rear connecting ring (31). An assembly component (33) is provided on the top left side of the front connecting block (32). An upper connecting block (34) is fixedly connected to the top right side of the front connecting block (32). An upper air outlet (35) is fixedly connected to the top of the upper connecting block (34). A side quick-release assembly (36) is provided at the bottom of the upper connecting block (34). A lower fixing rod (37) is fixedly connected to the bottom of the front connecting block (32). A lower steering shaft (38) is fixedly connected to the bottom of the lower fixing rod (37). A gas collection mechanism (39) is provided at the bottom of the lower steering shaft (38).

2. The handheld mine thermometer with gas detection and early warning function according to claim 1, characterized in that: The temperature measuring mechanism (4) includes an upper connecting rod (41), the top of which is fixedly connected to the bottom of the main connecting rod (1), the bottom of which is fixedly connected to a lower connecting frame (42), the bottom of which is fixedly connected to a bottom connecting shell (43), a contact component (44) is provided on the front side of the top of the bottom connecting shell (43), a bottom slot (45) is provided on the bottom of the bottom connecting shell (43), and two temperature measuring plates (46) are fixedly connected to the top of the inner side of the bottom connecting shell (43). The two temperature measuring plates (46) are slidably connected to pulleys (47) on the opposite sides of each other.

3. A handheld mine thermometer with gas detection and early warning function according to claim 1, characterized in that: The assembly component (33) includes an assembly ring (331), the bottom of which is fixedly connected to the top left side of the front connecting block (32), and a rear fixing piece (332) is fixedly connected to the rear side of the outer wall of the assembly ring (331).

4. A handheld mine thermometer with gas detection and early warning function according to claim 1, characterized in that: The side quick-release assembly (36) includes a quick-release ring (361), the bottom of which is fixedly connected to the top right side of the front connecting block (32), and a quick-release fixing piece (362) is fixedly connected to the front side of the outer wall of the quick-release ring (361).

5. A handheld mine thermometer with gas detection and early warning function according to claim 1, characterized in that: The gas collection mechanism (39) includes a lower connecting block (391), the top of which is fixedly connected to the bottom of the lower steering shaft (38), and a collection brush (392) is fixedly connected to the bottom of the lower connecting block (391).

6. A handheld mine thermometer with gas detection and early warning function according to claim 2, characterized in that: The contact assembly (44) includes a bottom connecting piece (441), the bottom of which is fixedly connected to the top front side of the bottom connecting shell (43), and the top of which is fixedly connected with a plurality of air contact holes (442).

7. A handheld mine thermometer with gas detection and early warning function according to claim 1, characterized in that: The top of the upper connecting piece (2) is fixedly connected to the upper integrated block (5), and a heat dissipation groove (6) is provided on the right side of the top of the upper integrated block (5).

8. A handheld mine thermometer with gas detection and early warning function according to claim 7, characterized in that: A handle (7) is fixedly connected to the front side of the upper integrated block (5), and a display device (8) is fixedly connected to the top of the upper integrated block (5).