A bearing thermal imaging temperature measurement device based on THDS system

Abstract

The present application discloses a bearing thermal imaging temperature measurement device based on a THDS system, which relates to the field of thermal imaging temperature measurement technology, including a thermal imaging acquisition box and a thermal imaging camera, wherein the thermal imaging acquisition box is fixedly installed on a rail through a box-rail connection unit, and the thermal imaging camera is arranged in the thermal imaging acquisition box at an elevation angle of 45 degrees through a camera carrier, and an openable and closable protective door is arranged on the thermal imaging acquisition box, and the protective door is arranged opposite to the thermal imaging camera. The present application can complete the acquisition of train bearing temperature and the capture of video images through a thermal imaging camera connected on the basis of existing THDS equipment, and finally obtain intuitive thermal imaging temperature data and image data through data integration processing, thereby realizing the auxiliary temperature measurement function of the current THDS system, and facilitating train inspection personnel to accurately obtain the heating position of the bearing.

Description

Technical Field

[0001] The present application relates to the technical field of thermal imaging temperature measurement, and in particular to a bearing thermal imaging temperature measurement device based on a THDS system. Background Art

[0002] At present, all THDS equipment running online on the entire railway adopts infrared radiation temperature measurement technology, dynamically and non-contactly collects infrared radiation energy from train bearings, realizes real-time monitoring of the bearing temperature of passing vehicles, and issues real-time alarms for bearings with excessive temperatures according to the hot axle level. The core components of the THDS system are composed of infrared detectors in dual-detection mode and do not have image capture functions. In the current train inspection operation, the train inspection entrance can only use the data provided by the THDS equipment as a reference to perform standardized operations on vehicles entering the train inspection, and cannot intuitively find the specific heating position of the bearings of the train inspection vehicles. In view of the actual use of THDS at the train inspection entrance, it is necessary to develop thermal imaging temperature measurement equipment that can accurately obtain the heating position of the bearing, visualize the bearing temperature, and provide effective technical support for the standardized operation of train inspection personnel. Summary of the invention

[0003] The main purpose of this application is to provide a bearing thermal imaging temperature measurement device based on the THDS system, aiming to accurately obtain the heating position of the bearing.

[0004] The technical solutions adopted in this application are as follows:

[0005] A bearing thermal imaging temperature measuring device based on a THDS system comprises a thermal imaging acquisition box and a thermal imaging camera. The thermal imaging acquisition box is fixedly mounted on a rail through a box-rail connecting unit. The thermal imaging camera is arranged in the thermal imaging acquisition box at an elevation angle of 45 degrees through a camera carrier. An openable and closable protective door is arranged on the thermal imaging acquisition box, and the protective door is arranged directly opposite to the thermal imaging camera.

[0006] Optionally, the thermal imaging acquisition box includes an upper box body and a lower box body, and the upper box body and the lower box body are connected by a locking structure.

[0007] Optionally, the locking structure includes a hinge buckle unit arranged on the back side of the lower box body and a fixed buckle unit arranged on the front side of the lower box body, the upper box body is provided with a front connecting buckle hole corresponding to the fixed buckle unit, and the upper box body is provided with a rear connecting buckle hole corresponding to the hinge buckle unit.

[0008] Optionally, the hinge buckle unit includes a hinge plate hinged to the back side of the lower box body and a bonding plate arranged face to face with the hinge plate, and a connecting bolt is arranged between the hinge plate and the bonding plate. After the upper box body is buckled with the lower box body, the connecting bolt passes through the rear connecting buckle hole.

[0009] Optionally, the fixing buckle unit includes two fixing plates arranged face to face, the fixing plates are fixedly connected to the lower box body, and the fixing plates are connected by fixing bolts. After the upper box body is buckled onto the lower box body, the fixing bolts pass through the front connecting buckle holes.

[0010] Optionally, the camera carrier includes a carrier shock absorber block, a carrier fixing frame and a camera fixing frame, the carrier shock absorber block is fixedly arranged in the lower box body, the carrier fixing frame is fixedly arranged on a side of the lower box body opposite to the carrier shock absorber block, the camera fixing frame is arranged on the carrier shock absorber block and the carrier fixing frame, and one end of the camera fixing frame is fixedly connected to the top of the carrier shock absorber block, and the other end of the camera fixing frame is fixedly connected to the top of the carrier fixing frame.

[0011] Optionally, the supporting portion of the camera fixing frame for supporting the thermal imaging camera is an L-shaped plate, and the L-shaped plate and the carrier fixing frame are inclined at an angle of 45°.

[0012] Optionally, the four bases of the lower box body are provided with shock-absorbing rubber blocks.

[0013] Optionally, an aviation connector socket is provided on the side of the lower box.

[0014] Optionally, the protective door includes a door panel and a motor, the upper box body is provided with a collection port, the door panel is movably mounted on the collection port, and the motor drives the door panel to open and close the collection port through a gear rack mechanism.

[0015] Compared with the prior art, the beneficial effects of this application are:

[0016] The embodiment of the present application proposes a bearing thermal imaging temperature measurement device based on the THDS system. Through the thermal imaging camera connected on the basis of the existing THDS equipment, it can complete the collection of train bearing temperature and capture of video images. Through data integration and processing, it can finally obtain intuitive thermal imaging temperature data and image data, and realize the auxiliary temperature measurement function of the current THDS system. The THDS system can complete the transmission of thermal imaging acquisition data by introducing network video data transmission technology to meet the processing requirements of video big data. The present invention finally realizes data integration and completes the processing of thermal imaging data, providing intuitive thermal imaging temperature data and image data for equipment inspection and daily maintenance work, which is convenient for train inspection personnel to accurately obtain the heating position of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a bearing thermal imaging temperature measuring device based on a THDS system provided in an embodiment of the present application;

[0018] Figure 2 It is a structural schematic diagram of the upper box;

[0019] Figure 3 It is a structural schematic diagram of the lower box;

[0020] Figure 4 A schematic diagram of the installation state of a bearing thermal imaging temperature measuring device based on a THDS system provided in an embodiment of the present application;

[0021] Figure 5 A schematic diagram of image acquisition by a bearing thermal imaging temperature measurement device based on a THDS system provided in an embodiment of the present application.

[0022] Description of the reference numerals in the accompanying drawings:

[0023] 1-thermal imaging acquisition box, 101-upper box, 102-lower box, 2-rail, 3-box-rail connecting unit, 4-hinge buckle unit, 401-hinge plate, 402-fitting plate, 403-connecting bolt, 5-fixing buckle unit, 501-fixing plate, 502-fixing bolt, 6-front connecting buckle hole, 7-rear connecting buckle hole, 8-camera carrier, 801-carrier shock absorber block, 802-carrier fixing frame, 803-camera fixing frame, 9-protective door, 901-motor, 902-door panel, 10-thermal imaging camera, 11-shock absorbing rubber block, 12-aviation connector socket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0028] See attached Figures 1 to 3 As shown, an embodiment of the present application provides a bearing thermal imaging temperature measuring device based on a THDS system, including a thermal imaging acquisition box 1 and a thermal imaging camera 10. The thermal imaging acquisition box 1 is fixedly installed on the rail 2 through a box-rail connecting unit 3. The thermal imaging camera 10 is arranged in the thermal imaging acquisition box 1 at an elevation angle of 45 degrees through a camera carrier 8. An openable and closable protective door 9 is arranged on the thermal imaging acquisition box 1. The protective door 9 is arranged opposite to the thermal imaging camera 10. When a train passes, the protective door 9 opens to capture an image. After the train passes, the protective door 9 closes to protect the thermal imaging camera 10 in the box.

[0029] Specifically:

[0030] like Figure 4 and Figure 5 As shown, a thermal imaging collection box 1 is provided on each of the two outer sides of the rail 2, and is installed on the rail 2 through a box-rail connection unit 3. The box-rail connection unit 3 includes an L-shaped card block, the thermal imaging collection box 1 is fixed to the L-shaped card block, the L-shaped card block is attached to one side of the rail 2, and a threaded connecting rod is provided on the other side of the L-shaped card block. The inner end of the threaded connecting rod is fixedly connected with a stop block, and the stop block is slidably attached to the surface of the L-shaped card block. By rotating the threaded connecting rod, the stop block is pressed against the other side of the rail 2, so that the rail 2 is clamped by the L-shaped card block and the stop block, and the installation of the thermal imaging collection box 1 is completed.

[0031] In the above, the thermal imaging acquisition box 1 includes an upper box body 101 and a lower box body 102, and the upper box body 101 and the lower box body 102 are connected by a lock structure. The lock structure includes a hinge buckle unit 4 arranged on the back side of the lower box body 102 and a fixed buckle unit 5 arranged on the front side of the lower box body 102. The hinge buckle unit 4 is a pair, which is symmetrically arranged at the back center of the lower box body 102, and the fixed buckle unit 5 is one, which is centrally arranged on the front side of the lower box body 102. The upper box body 101 is provided with a front connection buckle hole 6 corresponding to the fixed buckle unit 5, and the upper box body 101 is provided with a rear connection buckle hole 7 corresponding to the hinge buckle unit 4. The fixed buckle unit 5 is connected with the front connection buckle hole 6, and the hinge buckle unit 4 is connected with the rear connection buckle hole 7, so as to realize the buckle connection between the upper box body 101 and the lower box body 102.

[0032] Among them, Figure 3 As shown, the hinge buckle unit 4 includes a hinge plate 401, a fitting plate 402 and a connecting bolt 403. The hinge plate 401 is hinged to the back side plate of the lower box body 102 through a pivot. The non-hinge end of the hinge plate 401 is arranged face to face with the fitting plate 402, and both are provided with bolt holes. After the upper box body 101 is buckled with the lower box body 102, the rear connecting buckle hole 7 is coaxial with the bolt hole, and the connecting bolt 403 passes through the fitting plate 402, the rear connecting buckle hole 7 and the hinge plate 401 in turn, and a nut is put on, so that the upper box body 101 can be rotated with the hinge buckle unit 4. The fixing buckle unit 5 includes a pair of fixing plates 501 and fixing bolts 502 arranged face to face. The fixing plates 501 are fixedly installed on the inner and outer sides of the front of the lower box body 102, and a coaxial threaded hole is opened on the fixing plate 501. After the upper box body 101 is buckled on the lower box body 102, the front connecting buckle hole 6 is coaxial with the threaded hole. After the fixing bolts 502 pass through the rear fixing plate 501, the front connecting buckle hole 6, and the front fixing plate 501, a nut is put on, thereby locking the upper box body 101 and the lower box body 102.

[0033] Further, such as Figure 3As shown, the camera carrier 8 is fixedly arranged in the lower box 102, and the camera carrier includes a carrier shock-absorbing block 801, a carrier fixing frame 802 and a camera fixing frame 803. Among them, the carrier shock-absorbing block 801 is arranged in the lower box 102 near the hinge buckle unit 4, and the carrier shock-absorbing block 801 is fixedly connected to the lower box 102 by bolts, the carrier fixing frame 802 is arranged in the lower box 102 near the fixing buckle unit 5, and the carrier fixing frame 802 is fixedly connected to the lower box 102 by bolts, the camera fixing frame 803 is arranged on the carrier shock-absorbing block 801 and the carrier fixing frame 802, and one end of the camera fixing frame 803 is fixedly connected to the top of the carrier shock-absorbing block 801 by bolts, and the other end of the camera fixing frame 803 is fixedly connected to the top of the carrier fixing frame 802 by bolts, and the thermal imaging camera 10 is fixedly installed on the camera fixing frame 803. At the same time, the supporting part of the camera fixing frame 803 for supporting the thermal imaging camera 10 is an L-shaped plate, and the L-shaped plate is tilted at an angle of 45° to the carrier fixing frame 802. Such a setting ensures that the shooting angle of the camera probe is 45°, and the axle target can be accurately photographed.

[0034] At the same time, if Figure 2 As shown, the upper box body 101 has a box surface parallel to the mirror surface of the thermal imaging camera 10, and the box surface is provided with a collection port facing the thermal imaging camera 10, and the thermal imaging camera 10 collects image information from the collection port. Among them, the protection door 9 includes a motor 901 and a door panel 902, the collection port is provided with a slide rail, the door panel 902 is arranged at the collection port and slidably installed in the slide rail, the door panel 902 has a rack door edge, the output end of the motor 901 is connected to a gear, the gear is meshed with the rack door edge of the door panel 902, and the forward and reverse rotation of the motor 901 can drive the door panel 902 to move back and forth, thereby realizing the opening and closing of the collection port, facilitating the image collection of the thermal imaging camera 10 and protecting the thermal imaging camera 10.

[0035] Others, such as Figure 3 As shown, the side of the lower box 102 is also provided with an aviation connector socket 12, which is mainly used for the access and fixation of external cables. The external cables can be connected to the motor 901 and the thermal imaging camera 10 respectively, mainly to complete power supply and data transmission.

[0036] At the same time, in a preferred embodiment, in order to reduce the vibration caused to the thermal imaging acquisition box 1 when the train passes by, as shown in FIG. Figure 3 As shown, the four bottom feet of the lower box body 102 are provided with shock-absorbing rubber blocks 11, which can play a buffering and shock-absorbing effect when a train passes by.

[0037] In summary, if Figure 5As shown, the embodiment of the present application provides a bearing thermal imaging temperature measurement device based on the THDS system. During the image acquisition process, when the train arrives at the detection point, the THDS system sends a power-on signal, the thermal imaging camera completes time synchronization, and starts to acquire the bearing thermal imaging data image. The acquired data is a video data frame at a specific time interval. After the train passes, the THDS system uses the timestamp of each bearing passing the magnetic steel on the track to match the acquired video data frame, so as to find the video image and corresponding temperature of the corresponding bearing, and finally form the bearing thermal imaging data of the entire train.

[0038] It can be seen that the present invention can complete the collection of train bearing temperature and capture of video images through the thermal imaging camera connected on the basis of the existing THDS equipment, and through data integration processing, it can finally obtain intuitive thermal imaging temperature data and image data, realizing the auxiliary temperature measurement function of the current THDS system. The THDS system can complete the transmission of thermal imaging acquisition data and meet the processing requirements of video big data by introducing network video data transmission technology. The present invention finally realizes data integration and completes the processing of thermal imaging data, providing intuitive thermal imaging temperature data and image data for equipment inspection and daily maintenance work, which is convenient for train inspection personnel to accurately obtain the heating position of the bearing.

[0039] Finally, it should be noted that a sealing strip is used between the upper box 101 and the lower box 102 to achieve a waterproof effect. The sealing strip is of reliable quality and has sufficient elasticity and aging resistance. At the same time, a high-pressure hose is used to connect the aviation connector socket 12, and a sealing film is installed on the aviation connector socket 12 to prevent water from entering the external connection part, thereby ensuring the waterproof performance of the entire temperature measuring device, and has passed the IP55 test.

[0040] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A bearing thermal imaging temperature measuring device based on THDS system, characterized in that: It includes a thermal imaging collection box and a thermal imaging camera. The thermal imaging collection box is fixedly installed on the rail through a box-rail connecting unit. The thermal imaging camera is arranged in the thermal imaging collection box at an elevation angle of 45 degrees through a camera carrier. The thermal imaging collection box is provided with an openable and closable protective door, and the protective door is arranged directly opposite to the thermal imaging camera. The thermal imaging collection box comprises an upper box body and a lower box body, and the upper box body and the lower box body are connected by a locking structure; The lock buckle structure includes a hinge buckle unit arranged on the back side of the lower box body and a fixed buckle unit arranged on the front side of the lower box body, the upper box body is provided with a front connecting buckle hole corresponding to the fixed buckle unit, and the upper box body is provided with a rear connecting buckle hole corresponding to the hinge buckle unit; The hinge buckle unit includes a hinge plate hinged to the back side of the lower box body and a bonding plate arranged face to face with the hinge plate, and a connecting bolt is arranged between the hinge plate and the bonding plate. After the upper box body is buckled with the lower box body, the connecting bolt passes through the rear connecting buckle hole; The fixing buckle unit includes two fixing plates arranged face to face, the fixing plates are fixedly connected to the lower box body, and the fixing plates are connected by fixing bolts. After the upper box body is buckled with the lower box body, the fixing bolts pass through the front connecting buckle holes.

2. The bearing thermal imaging temperature measuring device based on the THDS system according to claim 1 is characterized in that: The camera carrier includes a carrier shock-absorbing block, a carrier fixing frame and a camera fixing frame. The carrier shock-absorbing block is fixedly arranged in the lower box body, the carrier fixing frame is fixedly arranged on a side of the lower box body opposite to the carrier shock-absorbing block, the camera fixing frame is arranged on the carrier shock-absorbing block and the carrier fixing frame, and one end of the camera fixing frame is fixedly connected to the top of the carrier shock-absorbing block, and the other end of the camera fixing frame is fixedly connected to the top of the carrier fixing frame.

3. The bearing thermal imaging temperature measuring device based on the THDS system according to claim 2 is characterized in that: The supporting part of the camera fixing frame for supporting the thermal imaging camera is an L-shaped plate, and the L-shaped plate and the carrier fixing frame are inclined at an angle of 45°.

4. The bearing thermal imaging temperature measuring device based on the THDS system according to claim 1 is characterized in that: The four bottom feet of the lower box body are provided with shock-absorbing rubber blocks.

5. The bearing thermal imaging temperature measuring device based on the THDS system according to claim 1 is characterized in that: An aviation connector socket is arranged on the side of the lower box.

6. The bearing thermal imaging temperature measuring device based on the THDS system according to claim 1 is characterized in that: The protective door includes a door panel and a motor. The upper box body is provided with a collection port. The door panel is movably mounted on the collection port. The motor drives the door panel to open and close the collection port through a gear rack mechanism.

Images