Infrared temperature sensor for underground operation

Abstract

The utility model provides an infrared temperature sensor for underground operation, which comprises a fixing frame and a sensor body, the fixing frame is provided with at least two V-shaped grooves, and the sensor body can be arranged in the V-shaped grooves; the fixing block corresponds to the V-shaped groove, the fixing block is arranged at the opening end of the V-shaped groove and can be close to or far away from the fixing frame, the surface of the side, facing the V-shaped groove, of the fixing block is provided with a protruding edge, and the protruding edge can be clamped into the threads of the sensor body. According to the utility model, the fixing block with the convex edge is matched with the V-shaped groove, and the convex edge is used for clamping the thread of the sensor body, so that the sensor body is prevented from axially moving, and the positioning of the sensor body is quickly completed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mine monitoring, especially a kind of infrared temperature sensor for underground operation. BACKGROUND

[0002] In mine, due to air circulation is not smooth, dust is easily diffused in air, and in coal mine and other mine, flammable and explosive gas such as gas is also easily appeared, so temperature sensor is needed in each position of mine, real-time monitoring temperature change in each position, and abnormal temperature rise phenomenon is found in time, to avoid accident. The existing intrinsic safety type infrared temperature sensor is usually connected using L-shaped fixing sheet, during installation, fixing sheet is first installed in predetermined position, then two nuts screwed on sensor are used to clamp fixing sheet, so that temperature sensor position is fixed. In this way, due to the length of thread on sensor is longer, if sensor is installed to preset position, nut needs to be continuously rotated, installation time is longer, and installation personnel is in cramped, hot and humid environment in mine for a long time, which can easily lead to negative emotions such as irritability and fatigue. SUMMARY

[0003] Therefore, the utility model aims at providing a kind of infrared temperature sensor for underground operation to improve the installation efficiency of sensor.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] An infrared temperature sensor for underground operation, comprising a fixing frame and a sensor body, at least two V-shaped grooves are provided on the fixing frame, and the sensor body can be placed in the V-shaped groove.

[0006] A fixed block corresponding to the V-shaped groove is provided, and the fixed block is placed at the opening end of the V-shaped groove, and the fixed block can approach or move away from the fixing frame, the side surface of the fixed block facing the V-shaped groove is provided with a convex rib, and the convex rib can be clamped into the thread of the sensor body.

[0007] Further, the fixing frame comprises a connecting sheet, and a supporting sheet extends from the connecting sheet, and the V-shaped groove is provided on the supporting sheet.

[0008] Further, the supporting sheet and / or the fixed block respectively extend a hinged ear to the side, and the supporting sheet and the fixed block are hinged through the hinged ear.

[0009] Further, the fixed block is provided with a clamping part on one side, a clamping groove is opened on the clamping part, a connecting ring is provided on the supporting sheet, and the connecting ring can be clamped into the clamping groove.

[0010] Further, the connecting ring comprises a connecting shaft and a clamping shaft, two elastic members are arranged between the two ends of the connecting shaft and the clamping shaft respectively, the elastic members are in arc shape, and the clamping shaft can be clamped into the clamping groove.

[0011] Further, the two ends of the clamping shaft pass through the elastic members, so that the two ends of the clamping shaft are arranged outside the connecting ring.

[0012] Further, the elastic members are spring leaves, and the spring leaves are in arc shape.

[0013] Further, a through hole is formed in the connecting piece, and a bolt can pass through the through hole.

[0014] Compared with the prior art, the infrared temperature sensor body for downhole operation has the following advantages:

[0015] The fixed block with the convex rib is matched with the V-shaped groove, the convex rib clamps the thread of the sensor body, the axial movement of the sensor body is prevented, and the positioning of the sensor body is quickly completed;

[0016] The clamping shaft connected by the elastic member is matched with the clamping groove, the connection between the fixed block and the supporting piece can be quickly completed, and the sensor body of more models can be applied.

[0017] The two ends of the clamping shaft are arranged outside the elastic member, so that the operator holds or pulls the clamping shaft through the two ends of the clamping shaft during the installation process. DETAILED DESCRIPTION

[0018] The drawings that form a part of the present application serve to provide a further understanding of the present application, and the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 It is a whole structure schematic view of the sensor;

[0020] Figure 2 It is a whole structure schematic view of the fixed block;

[0021] Figure 3 It is a structure schematic view of the connecting ring.

[0022] Explanation of reference signs:

[0023] 1 - fixed frame; 11 - connecting piece; 12 - supporting piece; 13 - V-shaped groove; 14 - hinged lug; 15 - connecting ring; 151 - connecting shaft; 152 - elastic member; 153 - clamping shaft; 2 - fixed block; 21 - convex rib; 22 - clamping part; 23 - clamping groove; 3 - sensor body. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0026] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0027] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] The utility model discloses an infrared temperature sensor for downhole operation, including fixed frame 1, fixed block 2 and sensor body 3, in this embodiment, sensor body 3 is intrinsic safety type infrared temperature sensor body 3, fixed frame 1 includes connecting piece 11 and the vertical extension of its one side surface support piece 12, and support piece 12 has at least two, every support piece 12 top has opened V -groove 13, sensor body 3 can be placed in two V -grooves 13, and the sensor body 3 is prevented from deviating through V -groove 13. Fixed block 2 has at least one, and it corresponds with one of V -grooves 13, and fixed block 2 is placed in the opening end of V -groove 13, and fixed block 2 can be close to or away from fixed frame 1, the one side surface of fixed block 2 towards V -groove 13 is equipped with convex edge 21, when fixed block 2 moves to the limit position towards fixed frame 1, and convex edge 21 can be clamped into the screw of sensor body 3, to prevent the axial displacement of sensor body 3, through the cooperation of convex edge 21 and V -groove 13, make sensor body 3 position fixed, in other embodiments, fixed block 2 can have multiple, and fixed block 2 corresponds with support piece 12 one by one.

[0029] In this embodiment, the support piece 12 and the fixed block 2 extend a hinged lug 14 to the side, respectively, and the support piece 12 and the fixed block 2 are hinged through the hinged lug 14. In other embodiments, the support piece 12 or the fixed block 2 can extend a hinged lug 14 to the opposite direction, and the hinged lug 14 is hinged to the other part by means of a through hole or a hinged shaft.

[0030] The fixed block 2 is provided with a clamping portion 22 on one side, and a clamping groove 23 is formed on the clamping portion 22. The support piece 12 is provided with a connecting ring 15, and the connecting ring 15 can be clamped into the clamping groove 23. In this embodiment, the clamping portion 22 is wedge-shaped, and the clamping portion 22 is arranged at the end of the fixed block 2. The clamping groove 23 is formed on the inclined surface of the clamping portion 22, and the inclined surface faces outward of the fixed block 2. The connecting ring 15 includes a connecting shaft 151 and a clamping shaft 153, and the connecting shaft 151 and the clamping shaft 153 are connected by two elastic members 152 at both ends of the connecting shaft 151. The connecting ring 15 is formed by sequentially connecting the connecting shaft 151, one of the elastic members 152, the clamping shaft 153, and the other elastic member 152. A through hole is formed on the support piece 12, and the connecting ring 15 is connected to the support piece 12 by penetrating the through hole through the connecting shaft 151. During installation, the sensor body 3 can be placed in the V-groove 13 first, and then the fixed block 2 is pressed on the sensor body 3. The position of the sensor body 3 is adjusted, the convex edge 21 of the fixed block 2 is clamped on the thread of the sensor body 3, and then the connecting ring 15 is rotated to clamp the clamping shaft 153 into the clamping groove 23, thereby completing the fixation, saving the time of rotating the nut, avoiding the operator repeatedly performing an action, increasing fatigue and psychological discomfort, and improving the installation efficiency of the sensor body 3.

[0031] In this embodiment, both ends of the snap-fit ​​shaft 153 pass through the elastic element 152, so that both ends of the snap-fit ​​shaft 153 are positioned outside the connecting ring 15, thereby facilitating the operator to hold the snap-fit ​​shaft 153 and engage it in the slot 23. In this embodiment, the elastic element 152 is a spring, and the spring is arc-shaped. The operator can pull the snap-fit ​​shaft 153 to deform the spring, increasing its effective length, thereby engaging it in the slot 23. In other embodiments, the elastic element 152 can also be a rubber band or other elastic element that can be stretched and automatically rebound.

[0032] The connecting piece 11 has a through hole through which a bolt can pass. This allows the connecting piece 11 to be connected to a preset position, thereby fixing the sensor body 3 in the preset position.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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. An infrared temperature sensor for downhole operations, characterized in that: It includes a mounting bracket and a sensor body, wherein the mounting bracket is provided with at least two V-shaped grooves, and the sensor body can be placed in the V-shaped grooves; A fixing block, which corresponds to the V-groove and is placed at the open end of the V-groove, and the fixing block can be close to or away from the fixing frame. The fixing block has a protruding ridge on the side surface facing the V-groove, and the protruding ridge can be engaged in the thread of the sensor body.

2. The infrared temperature sensor for downhole operations according to claim 1, characterized in that: The fixing frame includes a connecting piece, a supporting piece extending from the connecting piece, and a V-shaped groove formed on the supporting piece.

3. An infrared temperature sensor for downhole operations according to claim 2, characterized in that: The support plate and / or fixing block extend laterally with hinge ears, and the support plate and fixing block are hinged together by the hinge ears.

4. An infrared temperature sensor for downhole operations according to claim 2, characterized in that: The fixing block has a snap-fit ​​part on one side, and a snap-fit ​​groove is opened on the snap-fit ​​part. The support plate has a connecting ring, and the connecting ring can be snapped into the snap-fit ​​groove.

5. An infrared temperature sensor for downhole operations according to claim 4, characterized in that: The connecting ring includes a connecting shaft and a snap-fit ​​shaft. The two ends of the connecting shaft and the snap-fit ​​shaft are connected by two elastic elements, and the elastic elements are arc-shaped at the ends of the fixing block. The snap-fit ​​shaft can be snapped into a slot.

6. An infrared temperature sensor for downhole operations according to claim 5, characterized in that: The two ends of the snap-fit ​​shaft pass through the elastic element, so that the two ends of the snap-fit ​​shaft are placed outside the connecting ring.

7. An infrared temperature sensor for downhole operations according to claim 5, characterized in that: The elastic element is a spring, and the spring is arc-shaped.

8. An infrared temperature sensor for downhole operations according to claim 2, characterized in that: The connecting piece has a through hole, through which bolts can pass.

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