Sensor protection device

Abstract

The utility model discloses a sensor protection device which comprises a protection shell, a fixing structure is arranged in the protection shell, a supporting frame is fixedly connected to the inner bottom of the protection shell, a ventilation structure is arranged on one side of the protection shell, and a heat dissipation structure is arranged on the side, away from the ventilation structure, of the protection shell. A protective door is rotationally connected to the opening end of the front side of the protective shell. Compared with the prior art, the utility model has the advantages that the ventilation structure and the heat dissipation structure are matched for use, so that further heat dissipation can be carried out on the sensor in the protection shell.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor protection, in particular to a sensor protection device. Background Art

[0002] A sensor is a detection device that can sense the information being measured and convert the sensed information into electrical signals or other required forms of information output according to certain rules. It has relatively powerful functions and is widely used in daily life. In order to avoid damage to expensive sensors and cause unnecessary economic losses, they need to be protected. The existing protection device simply sets a larger protective shell at the position of the sensor, and the protection effect is poor.

[0003] A protective cover for a sensor is disclosed in announcement number CN211718231U, which relates to a sensor and specifically includes a mounting plate and a protective box body. Bolts are provided on the front of the mounting plate, and a dustproof soft cover is provided at the position where the mounting plate and the protective box body are connected. Mounting grooves and grooves are provided on the front of the mounting plate, and the dustproof soft cover is located on the front of the mounting groove. Movable grooves are provided on both sides, the top and the bottom of the inner wall of the mounting groove, and springs and movable clamps are respectively provided inside the movable grooves. A clamping strip is provided on the back of the protective box body at the position corresponding to the movable clamp.

[0004] Existing sensor protection devices have the following disadvantages: sensors are usually composed of sensitive components and signal processing circuits. Sensitive components are easily affected by high temperatures during long-term operation. Excessive temperature will cause the electrical performance of the components to deteriorate, thereby affecting the accuracy and stability of the sensor, and easily causing the sensor to overload, which may cause a fire or sensor damage. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a sensor protection device.

[0006] In order to solve the above problems, the technical solution of the utility model is: a sensor protection device, including a protective shell, a fixed structure is provided inside the protective shell, a support frame is fixedly connected to the bottom of the protective shell, a ventilation structure is provided on one side of the protective shell, a heat dissipation structure is provided on the side of the protective shell away from the ventilation structure, and a protective door is rotatably connected to the front opening end of the protective shell.

[0007] Furthermore, the fixed structure includes a telescopic rod, which is fixedly connected to the four corners inside the protective shell. The movable end of the telescopic rod is rotatably connected to a clamping plate. The clamping plate is fixedly connected to a plurality of springs on the side away from the telescopic rod. The end of the spring away from the clamping plate is fixedly connected to a movable plate.

[0008] Furthermore, the ventilation structure includes a ventilation window, which is provided with a plurality of ventilation holes. Slide rails are provided at the top and bottom of the ventilation window. The slide rails are fixedly connected to the inner wall of the protective shell. A dust removal brush is slidably connected between the two slide rails. A pull rod is fixedly connected to the top of the dust removal brush. The pull rod extends out of the slide rail away from one end of the dust removal brush. A spring 2 is fixedly connected between the dust removal brush and the front end of the slide rail.

[0009] Furthermore, the heat dissipation structure includes heat dissipation ports, which are opened at two ends of the protective shell away from the ventilation structure. A limiting plate 1 is fixedly connected to the opposite sides of the two heat dissipation ports, and a limiting plate 2 is fixedly connected between the two heat dissipation ports. A heat dissipation frame is clamped between the limiting plate 1 and the limiting plate 2, a heat dissipation fan is fixedly connected inside the heat dissipation frame, and a dust net is fixedly connected to the side of the heat dissipation frame away from the protective shell.

[0010] Furthermore, the heat dissipation frame is fixedly connected with a clamping plate one on one side close to the limit plate two, and the heat dissipation frame is fixedly connected with a fixing plate on the other side. The fixing plate is provided with a movable groove on the side away from the heat dissipation frame, and a clamping plate two is slidably connected in the movable groove. A spring three is fixedly connected between the clamping plate two and the movable groove. A through groove is provided on the top of the fixing plate corresponding to the position of the spring three, and a connecting plate is slidably connected in the through groove. The bottom of the connecting plate is fixedly connected to the clamping rod two.

[0011] Furthermore, a support block is fixedly connected to the bottom of the fixed end of the telescopic rod, the bottom of the support block is fixedly connected to the inner shell wall of the protective shell, and a transparent window is opened in the protective door.

[0012] Compared with the existing technology, the advantages of the utility model are: the sensor inside the protective shell can be further cooled by the ventilation structure and the heat dissipation structure. At the same time, the ventilation windows in the ventilation structure can be cleaned more conveniently by using a pull rod and a spring in conjunction with a dust removal brush, thereby avoiding a large amount of dust clogging the ventilation holes after long-term use and affecting heat dissipation. The heat dissipation frame and the heat dissipation fan in the heat dissipation structure can be used together to disassemble the heat dissipation fan, making the maintenance and replacement of the heat dissipation fan more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional structure of a sensor protection device Figure 1 .

[0014] Figure 2 The utility model is a three-dimensional structure of a sensor protection device Figure 2 .

[0015] Figure 3 The utility model is a structural diagram of a clamping structure of a sensor protection device.

[0016] Figure 4 The utility model is a structural diagram of a ventilation structure of a sensor protection device.

[0017] Figure 5 The utility model is a structural diagram of a heat dissipation structure of a sensor protection device.

[0018] As shown in the figure: 1. Protective shell; 2. Fixed structure; 201. Telescopic rod; 202. Clamping plate; 203. Spring 1; 204. Movable plate; 3. Support frame; 4. Ventilation structure; 401. Ventilation window; 402. Ventilation hole; 403. Slide rail; 404. Dust brush; 405. Pull rod; 406. Spring 2; 5. Heat dissipation structure; 501. Heat dissipation port; 502. Limiting plate 1; 503. Limiting plate 2; 504. Heat dissipation frame; 505. Heat dissipation fan; 506. Dustproof net; 6. Protective door; 7. Transparent window; 8. Snap-on plate 1; 9. Fixed plate; 10. Movable slot; 11. Snap-on plate 2; 12. Spring 3; 13. Through slot; 14. Connecting plate. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0020] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0021] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0022] like Figures 1 to 5As shown, a sensor protection device includes a protective shell 1, which has a certain protective effect on the internal sensor to prevent external forces from damaging the sensor and affecting the normal use of the sensor. The bottom of the protective shell 1 is fixedly connected to a support frame 3, and the sensor is placed through the support frame 3. The front opening end of the protective shell 1 is rotatably connected to a protective door 6, and the protective shell 1 is closed by the protective door 6 to facilitate the installation and removal of the sensor. A fixed structure 2 is provided inside the protective shell 1, and the sensor is fixed in the protective shell by the fixed structure 2 to prevent the sensor from shaking inside the protective shell during the transportation and movement of the sensor. The fixed structure 2 includes a telescopic rod 201, and the telescopic rod 201 is fixedly connected to the four corners inside the protective shell 1. The movable end of the telescopic rod 201 is rotatably connected A clamping plate 202 is connected, and the clamping plate 202 is driven to approach the sensor direction by the telescopic rod 201, and the clamping plate 202 is rotatably connected to the telescopic rod 201, so as to better clamp the sensor. A plurality of springs 203 are fixedly connected to the side of the clamping plate 202 away from the telescopic rod 201, and a movable plate 204 is fixedly connected to the end of the spring 203 away from the clamping plate 202. The movable plate 204 and the spring 203 are used in combination to buffer the sensor to a certain extent when the protective shell 1 is collided or shaken, so as to further protect the sensor. A support block 205 is fixedly connected to the bottom of the fixed end of the telescopic rod 201, and the bottom of the support block 205 is fixedly connected to the inner shell wall of the protective shell 1, and the telescopic rod 201 is supported by the support block 205;

[0023] A ventilation structure 4 is provided on one side of the protective shell 1, through which the air inside the protective shell 1 can be circulated, and the ventilation structure 4 includes a ventilation window 401, and the ventilation window 401 is provided with a plurality of ventilation holes 402, through which the air inside the protective shell 1 can be circulated while having a certain dust-proof effect, and the top and bottom of the ventilation window 401 are provided with slide rails 403, and the slide rails 403 are fixedly connected to the inner wall of the protective shell 1, and a dust removal brush 404 is slidably connected between the two slide rails 403, and the two ends of the dust removal brush 404 move along the slide rails 403, so as to clean the dust on the ventilation window 401, and at the same time, the dust removal brush 404 is arranged Installed inside the protective shell 1, dust can be prevented from entering the protective shell 1 as much as possible when cleaning the dust. A pull rod 405 is fixedly connected to the top of the dust removal brush 404. The pull rod 405 extends out of the slide rail 403 at one end away from the dust removal brush 404. A second spring 406 is fixedly connected between the dust removal brush 404 and the front end of the slide rail 403. Pulling the pull rod 405 can drive the dust removal brush 404 to clean the ventilation window 401. At the same time, when used in conjunction with the second spring 406, the spring 406 can push the dust removal brush 404 back to its original position through the tension of the spring after the dust removal 404 is pulled, so that the ventilation window 401 can be cleaned again.

[0024] A heat dissipation structure 5 is provided on the side of the protective shell 1 away from the ventilation structure 4, and the heat dissipation structure 5 includes heat dissipation ports 501. The heat dissipation ports 501 are opened at two ends of the side of the protective shell 1 away from the ventilation structure 4, and the two heat dissipation ports 501 are fixedly connected to the limiting plate 1 502 on the opposite sides, and the limiting plate 2 503 is fixedly connected between the two heat dissipation ports 501. A heat dissipation frame 504 is clamped between the limiting plate 1 502 and the limiting plate 2 503, and the heat dissipation frame 504 is clamped at the heat dissipation port 501 through the limiting plate 1 502 and the limiting plate 2 503. A clamping plate 1 8 is fixedly connected to the side of the heat dissipation frame 504 close to the limiting plate 2 503, and the clamping plate 1 8 is clamped in the limiting plate 2 503, and a fixed plate 9 is fixedly connected to the other side of the heat dissipation frame 504. A movable groove 10 is opened on the fixed plate 9 away from the heat dissipation frame 504, and a clamping plate 2 11 is slidably connected in the movable groove 10. A spring three 12 is fixedly connected between the end and the movable groove 10, and through grooves 13 are opened at the two ends of the top of the fixed plate 9 corresponding to the positions of the spring three 12. A connecting plate 14 is slidably connected in the through groove 13, and the bottom of the connecting plate 14 is fixedly connected to the clamping plate two 11, and the clamping plate two 11 is driven to move in the movable groove 10 through the connecting plate 14. During installation, the clamping plate two 11 is first put into the clamping groove 10, and then the clamping plate one 8 is clamped into the limit plate two 503. After placing it flat, the connecting plate 14 is released. Through the tension of the spring, the spring three 112 pushes the clamping plate two 11 into the limit plate one 502 to fix the heat dissipation frame 504. A heat dissipation fan 505 is fixedly connected to the inside of the heat dissipation frame 504, and a dustproof net 506 is fixedly connected to the side of the heat dissipation frame 504 away from the protective shell 1. The heat dissipation fan 505 is used in conjunction with the ventilation window 401 to further dissipate heat for the sensor.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A sensor protection device, characterized in that: The protective shell (1) comprises a fixing structure (2) inside the protective shell (1), a support frame (3) is fixedly connected to the bottom of the protective shell (1), a ventilation structure (4) is provided on one side of the protective shell (1), a heat dissipation structure (5) is provided on the side of the protective shell (1) away from the ventilation structure (4), and a protective door (6) is rotatably connected to the front opening end of the protective shell (1).

2. A sensor protection device according to claim 1, characterized in that: The fixed structure (2) comprises a telescopic rod (201), the telescopic rod (201) being fixedly connected to the four corners inside the protective shell (1), the movable end of the telescopic rod (201) being rotatably connected to a clamping plate (202), a side of the clamping plate (202) away from the telescopic rod (201) being fixedly connected to a plurality of springs (203), and an end of the spring (203) away from the clamping plate (202) being fixedly connected to a movable plate (204).

3. A sensor protection device according to claim 1, characterized in that: The ventilation structure (4) comprises a ventilation window (401), wherein the ventilation window (401) is provided with a plurality of ventilation holes (402), and slide rails (403) are provided at the top and bottom of the ventilation window (401), wherein the slide rails (403) are fixedly connected to the inner wall of the protective shell (1), and a dust removal brush (404) is slidably connected between the two slide rails (403), and a pull rod (405) is fixedly connected to the top of the dust removal brush (404), and the pull rod (405) extends out of the slide rail (403) away from one end of the dust removal brush (404), and a second spring (406) is fixedly connected between the dust removal brush (404) and the front end of the slide rail (403).

4. A sensor protection device according to claim 1, characterized in that: The heat dissipation structure (5) comprises heat dissipation openings (501), the heat dissipation openings (501) being provided at two ends of a side of the protective shell (1) away from the ventilation structure (4), the two heat dissipation openings (501) being fixedly connected to a first limiting plate (502) on opposite sides thereof, a second limiting plate (503) being fixedly connected between the two heat dissipation openings (501), a heat dissipation frame (504) being clamped between the first limiting plate (502) and the second limiting plate (503), a heat dissipation fan (505) being fixedly connected inside the heat dissipation frame (504), and a dustproof net (506) being fixedly connected to a side of the heat dissipation frame (504) away from the protective shell (1).

5. A sensor protection device according to claim 4, characterized in that: The heat dissipation frame (504) is fixedly connected to a snap-in plate (8) on one side close to the limit plate (503), and a fixed plate (9) is fixedly connected to the other side of the heat dissipation frame (504). A movable groove (10) is provided on the side of the fixed plate (9) away from the heat dissipation frame (504), and a snap-in plate (11) is slidably connected in the movable groove (10). A spring (12) is fixedly connected between the snap-in plate (11) and the movable groove (10). A through groove (13) is provided at the top of the fixed plate (9) at a position corresponding to the spring (12), and a connecting plate (14) is slidably connected in the through groove (13). The bottom of the connecting plate (14) is fixedly connected to the snap-in plate (11).

6. A sensor protection device according to claim 2, characterized in that: The bottom of the fixed end of the telescopic rod (201) is fixedly connected to a support block (205), the bottom of the support block (205) is fixedly connected to the inner shell wall of the protective shell (1), and a transparent window (7) is provided in the protective door (6).

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