Sensing device

Abstract

The utility model relates to the technical field of mechanical sensing, in particular to a sensing device. Comprising a protective shell, a connecting rod is slidably connected into one end of the protective shell, an extrusion plate is fixed to one end of the connecting rod, a conduction plate is fixed to the other end of the connecting rod and located in the protective shell, and a pressure conduction spring is fixed to the end, away from the connecting rod, of the conduction plate; a pressure sensor is fixed in the protective shell and located at the end, away from the conduction plate, of the pressure conduction spring, and the pressure sensor makes contact with the pressure conduction spring. According to the sensing device provided by the utility model, the connecting rod capable of sliding is arranged in one end of the protective shell, so that the extrusion plate drives the conduction plate to move through the connecting rod after being in contact with an object, and the conduction plate extrudes the pressure sensor through the compression of the pressure conduction spring; therefore, after the extrusion of the pressure conduction spring to the pressure sensor reaches a threshold value, a signal of contact between equipment and an object is given, and then induction after object contact is realized.

Description

Technical Field

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

[0002] Existing robots often use laser sensing to detect whether they have touched an object when walking, rather than judging whether they have touched an object based on the reaction after the touch, so that the robot needs to scan the specific road surface before walking.

[0003] For example, the patent (CN214818633U) discloses a robot collision sensing device, comprising a housing, a floating seat in an annular shape installed in the housing in a floating manner through a plurality of first springs, a trigger actuator plate installed at the lower end of the floating seat, a cam ring body fixed in the housing and located below the trigger actuator plate, a floating attachment inserted in the cam ring body and extending out of the lower end of the housing, a sensing element provided on the housing and located above the trigger actuator plate, and a touch member installed at the lower end of the floating attachment, wherein the upper end surface of the floating attachment contacts the lower side of the trigger actuator plate, a plurality of cam grooves are provided at the upper end of the cam ring body, a rolling element is provided on the outer side of the floating attachment, and the rolling element is placed in the cam groove so that the floating attachment can swing in the horizontal direction; the housing is formed with a convex seat downwardly along its upper end surface, the floating seat is also sleeved on the outer periphery of the convex seat, and the trigger actuator plate is located below the convex seat, the sensing element is fixed in the convex seat, and extends out of the lower end surface of the convex seat;

[0004] When using the above technology, it is found that the prior art has the following technical problems: the touch judgment of the existing sensing device is not easy to adjust during use. Therefore, we design a sensing device to provide another technical solution to the above technical problem. Utility Model Content

[0005] Based on this, it is necessary to provide a sensing device to address the above technical problems, in which a sliding connecting rod is arranged inside one end of the protective shell, so that after the extrusion plate contacts the object, the conductive plate is driven to move through the connecting rod, and the conductive plate is compressed by the pressure conduction spring to squeeze the pressure sensor. When the pressure conduction spring squeezes the pressure sensor to a threshold value, a signal of contact between the device and the object is given, thereby realizing sensing after the contact between the object and the conductive plate.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A sensing device includes a protective shell, a connecting rod is slidably connected to the inside of one end of the protective shell, an extrusion plate is fixed to one end of the connecting rod, a conduction plate is fixed to the other end of the connecting rod and located inside the protective shell, a pressure conduction spring is fixed to the end of the conduction plate away from the connecting rod, a pressure sensor is fixed to the inside of the protective shell and located at the end of the pressure conduction spring away from the conduction plate, and the pressure sensor is in contact with the pressure conduction spring.

[0008] As a preferred implementation of the sensing device provided by the utility model, a signal controller is fixed inside the protective shell, and the signal controller is electrically connected to the pressure sensor through a wire.

[0009] As a preferred embodiment of the sensing device provided by the utility model, an adjustment mechanism for driving the pressure sensor to move is installed inside the protective shell, and the adjustment mechanism includes a displacement plate. The interior of the protective shell and the end of the pressure sensor away from the pressure transmission spring is slidably connected with the displacement plate, and the pressure sensor is fixed to the displacement plate.

[0010] As a preferred embodiment of the sensing device provided by the utility model, the adjustment mechanism includes a displacement rack, a drive motor and a displacement gear. The drive motor is fixed inside the protective shell, the output end of the drive motor is connected to the displacement gear, the top of the displacement gear is meshed and connected with the displacement rack, and the displacement rack is fixed to the displacement plate.

[0011] As a preferred embodiment of the sensing device provided by the utility model, the interior of the protective shell on both sides away from the extrusion plate is slidably connected with a positioning card plate, and the interior of the protective shell is installed with a displacement mechanism for driving the positioning card plate to move.

[0012] As a preferred embodiment of the induction device provided by the utility model, the displacement mechanism includes a rotating shaft, a threaded section, a clamping motor, a first gear and a second gear. The interior of the protective shell is rotatably connected to the rotating shaft. The outer sides of both sides of the rotating shaft are provided with threaded sections, and the thread rotation directions of the two threaded sections are opposite. The outer sides of the threaded sections are threadedly connected to the positioning clamping plate. The interior of the protective shell is fixed with a clamping motor, the output end of the clamping motor is connected to the first gear, the top of the first gear is meshedly connected to the second gear, and the second gear is fixed to the outer side of the rotating shaft.

[0013] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0014] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0015] The utility model provides a sensing device, in which a connecting rod capable of sliding is arranged inside one end of a protective shell, so that after the extrusion plate contacts an object, the connecting rod drives the conduction plate to move, and the conduction plate compresses the pressure sensor through the compression of the pressure conduction spring, so that after the pressure conduction spring compresses the pressure sensor to a threshold value, a signal indicating that the device is in contact with the object is given, thereby realizing the sensing after the object contacts;

[0016] Through the cooperation of the displacement plate and the displacement rack, the rotation of the displacement gear drives the displacement plate to move through the displacement rack, and then the movement of the displacement plate squeezes the pressure transmission spring through the pressure sensor, so that the pressure transmission spring is compressed to reach the squeezing threshold of the pressure sensor, and then the transmission accuracy after the squeezing plate contacts the object is adjusted;

[0017] Through the cooperation of the positioning card plate, the rotating shaft and the threaded section, the rotation of the rotating shaft drives the positioning card plate to move through the cooperation of the two threaded sections, thereby fixing the protective shell and the external device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the protective shell of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the pressure sensor of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the positioning card plate of the utility model.

[0023] In the figure: 1. Protective shell; 2. Connecting rod; 3. Extrusion plate; 4. Conducting plate; 5. Pressure conducting spring; 6. Pressure sensor; 7. Displacement plate; 8. Displacement rack; 9. Driving motor; 10. Displacement gear; 11. Positioning card plate; 12. Rotating shaft; 13. Threaded section; 14. Clamping motor; 15. First gear; 16. Second gear. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] As described in the background art, the touch sense determination of the existing sensing device is not easy to adjust during use.

[0026] In order to solve this technical problem, the utility model provides a sensing device.

[0027] Specifically, please refer to Figure 1-Figure 3 , the sensing device specifically includes:

[0028] A protective shell 1, a connecting rod 2 is slidably connected inside one end of the protective shell 1, an extrusion plate 3 is fixed to one end of the connecting rod 2, a conduction plate 4 is fixed to the other end of the connecting rod 2 and located inside the protective shell 1, and a pressure conduction spring 5 is fixed to the end of the conduction plate 4 away from the connecting rod 2;

[0029] The pressure sensor 6 is located inside the protective shell 1 and is in contact with the pressure transmission spring 5 .

[0030] The utility model provides a sensing device, in which a connecting rod 2 capable of sliding is arranged inside one end of a protective shell 1, so that after an extrusion plate 3 contacts an object, the connecting rod 2 drives a conductive plate 4 to move, so that the conductive plate 4 compresses a pressure sensor 6 through the compression of a pressure conductive spring 5, so that after the pressure conductive spring 5 compresses the pressure sensor 6 to a threshold value, a signal indicating that the device is in contact with the object is given, thereby realizing sensing after the object is in contact.

[0031] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0032] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] Embodiment 1

[0035] Reference Figure 1-Figure 3A sensing device comprises a protective shell 1, wherein a connecting rod 2 is slidably connected to the inside of one end of the protective shell 1, and an extrusion plate 3 is fixed to one end of the connecting rod 2, so that the extrusion plate 3 drives the connecting rod 2 to move after contacting an external object, and a conduction plate 4 is fixed to the other end of the connecting rod 2 and located inside the protective shell 1, and a pressure conduction spring 5 is fixed to the end of the conduction plate 4 away from the connecting rod 2, so that the movement of the conduction plate 4 compresses the pressure conduction spring 5, and a pressure sensor 6 is fixed to the inside of the protective shell 1 and located at the end of the pressure conduction spring 5 away from the conduction plate 4, and the pressure sensor 6 is in contact with the pressure conduction spring 5, so that the compression of the pressure conduction spring 5 compresses the pressure sensor 6, and when the pressure threshold of the pressure sensor 6 is reached, a signal of contact between the device and the object is given, thereby realizing the sensing after the contact of the object;

[0036] In this embodiment, a signal controller is fixed inside the protective shell 1, and the model of the signal controller is SC200. The signal controller is electrically connected to the pressure sensor 6 through a wire, so that the signal when the pressure sensor 6 reaches the threshold is transmitted to the connected device through the signal controller.

[0037] An adjusting mechanism for driving the pressure sensor 6 to move is installed inside the protective shell 1, and the adjusting mechanism includes a displacement plate 7, a displacement rack 8, a drive motor 9 and a displacement gear 10. The displacement plate 7 is slidably connected to the end of the pressure sensor 6 away from the pressure transmission spring 5 inside the protective shell 1, and the pressure sensor 6 is fixed to the displacement plate 7, so that the movement of the displacement plate 7 drives the pressure sensor 6 to move. A drive motor 9 is fixed inside the protective shell 1, and the output end of the drive motor 9 is connected to the displacement gear 10. The top of the displacement gear 10 is meshingly connected with the displacement rack 8, and the displacement rack 8 is fixed to the displacement plate 7, so that the movement of the displacement rack 8 drives the displacement plate 7 to move.

[0038] One application of this embodiment is that when the protective shell 1 is installed on a robot, it can be added to various parts of the robot, so that the machine can know where it is touched when it is touched, just like a human being, making it convenient for the machine to sense and touch any physical object in the world just like a human being.

[0039] The sensing device provided in this embodiment is provided with a slidable connecting rod 2 inside one end of the protective shell 1, so that after the extrusion plate 3 contacts the object, the connecting rod 2 drives the conductive plate 4 to move, so that the conductive plate 4 compresses the pressure sensor 6 through the compression of the pressure conduction spring 5, so that after the pressure conduction spring 5 compresses the pressure sensor 6 to a threshold value, the signal is transmitted to the signal controller, and the pressure signal of the pressure sensor 6 is transmitted to the connected device through the signal controller, giving a signal that the device is in contact with the object, thereby realizing the sensing after the object is in contact;

[0040] When it is necessary to adjust the pressure transmission speed after contacting the object, the driving motor 9 is powered to drive the displacement gear 10 to rotate, and the rotation of the displacement gear 10 drives the meshing displacement rack 8 to move, so that the movement of the displacement rack 8 drives the displacement plate 7 to move inside the protective shell 1, and the movement of the displacement plate 7 drives the pressure sensor 6 to move, so that the pressure sensor 6 squeezes the pressure transmission spring 5, and the pressure transmission spring 5 is compressed. At the same time, the rebound force of the compression of the pressure transmission spring 5 allows the pressure sensor 6 to detect the pressure less than or equal to the set threshold, so that the extrusion plate 3 is in contact with the external object, and the pressure sensor 6 is squeezed through the conduction plate 4 and the pressure transmission spring 5, so that the pressure sensor 6 directly transmits the pressure signal of the pressure sensor 6 to the connected device through the signal controller, and gives the device a signal of contact with the object, thereby realizing the induction after the object is contacted, and reducing the transmission time of the compression of the pressure transmission spring 5.

[0041] Embodiment 2

[0042] Reference Figure 2 and Figure 4 , an induction device, the protective shell 1 is slidably connected to both sides of the end away from the extrusion plate 3 with positioning card plates 11, and the protective shell 1 is installed with a displacement mechanism for driving the positioning card plate 11 to move, the displacement mechanism includes a rotating shaft 12, a threaded segment 13, a clamping motor 14, a first gear 15 and a second gear 16, the protective shell 1 is rotatably connected with the rotating shaft 12, the outer sides of the rotating shaft 12 are provided with threaded segments 13, and the thread rotation directions of the two threaded segments 13 are opposite, and the outer sides of the threaded segments 13 are threadedly connected with the positioning card plate 11, so that the rotation of the rotating shaft 12 drives the two threaded segments 13 with opposite thread rotation directions to rotate, so that the threaded segments 13 drive the two positioning card plates 11 to move in the opposite direction, and the clamping motor 14 is fixed inside the protective shell 1, and the output end of the clamping motor 14 is connected with the first gear 15, and the top of the first gear 15 is meshed with the second gear 16, and the second gear 16 is fixed on the outer side of the rotating shaft 12, so that the rotation of the second gear 16 drives the rotating shaft 12 to rotate.

[0043] In other embodiments, a threaded hole is formed inside the positioning clamping plate 11 located outside the protective shell 1 for connection with a fixing bolt.

[0044] The sensing device provided in this embodiment, when the protective shell 1 needs to be installed on a device or a robot, the positioning clamp 11 is inserted into the slidingly connected device or robot, or the protective shell 1 is allowed to adjust the position of the fixing bolts connected as needed, and the first gear 15 is driven to rotate by the clamping motor 14, and the rotation of the first gear 15 drives the meshing connected second gear 16 to rotate, and the rotation of the second gear 16 drives the two threaded segments 13 with opposite thread rotation directions to rotate through the rotating shaft 12, and the rotation of the threaded segment 13 drives the threadedly connected positioning clamp 11 to move, so that the two positioning clamps 11 move in opposite directions to adjust the position.

[0045] The use process of a sensing device provided by the utility model is as follows:

[0046] A slidable connecting rod 2 is provided inside one end of the protective shell 1, so that after the extrusion plate 3 contacts the object, the conducting plate 4 is driven to move through the connecting rod 2, so that the conducting plate 4 compresses the pressure sensor 6 through the compression of the pressure conduction spring 5, so that after the pressure conduction spring 5 compresses the pressure sensor 6 to a threshold value, a signal is transmitted to the signal controller, and the pressure signal of the pressure sensor 6 is transmitted to the connected device through the signal controller, giving a signal that the device is in contact with the object, thereby realizing the sensing after the object is in contact;

[0047] When it is necessary to adjust the pressure delivery speed after contacting the object, the driving motor 9 is powered to drive the displacement gear 10 to rotate, and the rotation of the displacement gear 10 drives the meshing displacement rack 8 to move, so that the movement of the displacement rack 8 drives the displacement plate 7 to move inside the protective shell 1, and the movement of the displacement plate 7 drives the pressure sensor 6 to move, so that the pressure sensor 6 squeezes the pressure transmission spring 5, and the pressure transmission spring 5 is compressed. At the same time, the rebound force of the compression of the pressure transmission spring 5 allows the pressure sensor 6 to detect the pressure less than or equal to the set threshold, so that the extrusion plate 3 is in contact with the external object, and the pressure sensor 6 is squeezed through the conduction plate 4 and the pressure transmission spring 5, so that the pressure sensor 6 directly transmits the pressure signal of the pressure sensor 6 to the connected device through the signal controller, and gives the device a signal of contact with the object, thereby realizing the induction after the object is in contact, and reducing the transmission time of the compression of the pressure transmission spring 5;

[0048] When the protective shell 1 needs to be installed on a device or a robot, the positioning card plate 11 is inserted into the slidingly connected device or robot, or the protective shell 1 is allowed to adjust the position of the fixing bolts connected as needed, and the first gear 15 is driven to rotate by the clamping motor 14. The rotation of the first gear 15 drives the meshing connected second gear 16 to rotate. The rotation of the second gear 16 drives the two threaded segments 13 with opposite thread rotation directions to rotate through the rotating shaft 12. The rotation of the threaded segment 13 drives the threadedly connected positioning card plate 11 to move, so that the two positioning card plates 11 move in opposite directions to adjust the position.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sensing device, characterized in that: The invention comprises a protective shell (1), wherein a connecting rod (2) is slidably connected to the interior of one end of the protective shell (1), an extrusion plate (3) is fixed to one end of the connecting rod (2), a conduction plate (4) is fixed to the other end of the connecting rod (2) and is located inside the protective shell (1), a pressure conduction spring (5) is fixed to the end of the conduction plate (4) away from the connecting rod (2), a pressure sensor (6) is fixed to the interior of the protective shell (1) and is located at the end of the pressure conduction spring (5) away from the conduction plate (4), and the pressure sensor (6) is in contact with the pressure conduction spring (5); An adjusting mechanism for driving the pressure sensor (6) to move is installed inside the protective shell (1), and the adjusting mechanism comprises a displacement plate (7). The displacement plate (7) is slidably connected to the end of the pressure sensor (6) away from the pressure transmission spring (5) inside the protective shell (1), and the pressure sensor (6) is fixed to the displacement plate (7); The adjustment mechanism comprises a displacement rack (8), a drive motor (9) and a displacement gear (10); the drive motor (9) is fixed inside the protective shell (1); the output end of the drive motor (9) is connected to the displacement gear (10); the top of the displacement gear (10) is meshedly connected to the displacement rack (8); and the displacement rack (8) is fixed to the displacement plate (7).

2. A sensing device according to claim 1, characterized in that: A signal controller is fixed inside the protective shell (1), and the signal controller is electrically connected to the pressure sensor (6) via a wire.

3. A sensing device according to claim 1, characterized in that: Positioning clamping plates (11) are slidably connected to the interior of both sides of one end of the protective shell (1) away from the extrusion plate (3), and a displacement mechanism for driving the positioning clamping plate (11) to move is installed inside the protective shell (1).

4. A sensing device according to claim 3, characterized in that: The displacement mechanism comprises a rotating shaft (12), a threaded section (13), a clamping motor (14), a first gear (15) and a second gear (16); the interior of the protective shell (1) is rotatably connected to the rotating shaft (12); the outer sides of both sides of the rotating shaft (12) are provided with threaded sections (13), and the threaded rotation directions of the two threaded sections (13) are opposite; the outer sides of the threaded sections (13) are threadedly connected to the positioning clamping plate (11); the interior of the protective shell (1) is fixed with a clamping motor (14); the output end of the clamping motor (14) is connected to the first gear (15); the top of the first gear (15) is meshedly connected to the second gear (16); and the second gear (16) is fixed to the outer side of the rotating shaft (12).

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