CN215970929U - Mobile device with rotation speed detection function and mobile equipment - Google Patents

Abstract

The application discloses a mobile device with rotation speed detection function and a mobile device. The mobile device includes: the device comprises a roller assembly, a sensor and a connecting shaft; the roller assembly and the sensor are respectively arranged at two ends of the connecting shaft so as to enable the roller assembly and the sensor to synchronously rotate; and the roller assembly is used for driving the sensor to rotate through the connecting shaft when the sensor rotates. The scheme provided by the utility model can more accurately measure the speed of the roller.

Description

Mobile device with rotation speed detection function and mobile equipment

Technical Field

The application relates to the technical field of detection, in particular to a mobile device with a rotation speed detection function and a mobile device.

Background

As a common moving device, a roller is applied to many fields. Because the requirement for the rotation speed of the roller is accurate in certain specific scenes, the speed of the roller needs to be measured.

At present, a method for measuring the speed of a roller mainly comprises the steps that a sensor is arranged on one side of the roller, and when the roller rotates, the sensor senses the change cycle of the relative distance of an object, so that the rolling speed of the roller is measured and calculated.

However, when the speed is measured in this way, an object cannot be shielded between the sensor and the roller, and the detection of the sensor is interfered when an obstacle appears between the sensor and the roller, so that the result of measuring the speed is inaccurate.

SUMMERY OF THE UTILITY MODEL

The present application is proposed to solve the above-mentioned technical problems. The embodiment of the application provides a mobile device and a mobile device with rotation speed detection function, and the speed of the roller can be more accurately measured.

According to an aspect of the present application, there is provided a mobile device having a rotation speed detection function, including: the device comprises a roller assembly, a sensor and a connecting shaft; the roller assembly and the sensor are respectively arranged at two ends of the connecting shaft so as to enable the roller assembly and the sensor to synchronously rotate; and the roller assembly is used for driving the sensor to rotate through the connecting shaft when the sensor rotates.

In one embodiment, the mobile device further comprises a base plate and a support; the base plate and the connecting shaft form a base; the sensor passes through the support mounting is in on the base to make the connecting axle drives when rotating the sensor rotates.

In one embodiment, the scroll wheel assembly includes: a roller, a retainer ring and a bearing; the retainer ring is used for fixing the bearing in the roller; the bearing is used for supporting the roller so that the roller can rotate under the driving of the connecting shaft.

In one embodiment, the connection shaft includes: a connecting piece and a roller shaft; the connecting piece is arranged in a central through hole of the roller shaft; one side of the connecting piece is connected with the inner side of the hub of the roller; the other side of the connecting piece is connected with the sensor; the roller shaft is used for fixing the sensor and the roller assembly; the connecting piece is used for driving the sensor to rotate when the roller assembly rotates.

In one embodiment, the sensor comprises a shaft and an encoder; the rotating shaft is driven by the connecting shaft to rotate; the encoder is used for recording the rotation condition of the rotating shaft.

In one embodiment, the mobile device further comprises a gear set; the gear set is arranged between the sensor and the connecting shaft; the gear set is used for changing the rotating speed ratio of the sensor and the connecting shaft.

According to another aspect of the present application, there is provided a mobile device including: a movable equipment body and at least one mobile device; the mobile device is installed at the bottom of the movable equipment body and used for achieving the movement of the movable equipment body.

The application provides a mobile device and mobile equipment with rotational speed detects function, through connecting axle UNICOM roller components and sensor. Make wheel components and sensor synchronous rotation, consequently when wheel components rotated, the sensor also can rotate, and the rotation rate of wheel components can be obtained to the rotation condition of sensor record self to the realization is tested the speed to wheel components. The scheme that this application provided makes sensor and wheel components rotate simultaneously through the improvement of structure to the sensor directly tests the speed to the gyro wheel, can not have between sensor and the wheel components because the barrier shelters from and influence the problem of sensor testing result, thereby can measure the speed more accurately.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

Fig. 1 is a schematic structural diagram of a mobile device according to an exemplary embodiment of the present application.

Fig. 2 is a schematic structural diagram of another mobile device according to an exemplary embodiment of the present application.

Fig. 3 is a schematic cross-sectional view of a connecting shaft according to another exemplary embodiment of the present application.

Fig. 4 is a schematic structural diagram of another mobile device provided in an exemplary embodiment of the present application.

Fig. 5 is a schematic structural diagram of a mobile device according to an exemplary embodiment of the present application.

Fig. 6 is a schematic structural diagram of another mobile device provided in an exemplary embodiment of the present application.

Detailed Description

Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the present application and not all embodiments of the present application, and that the present application is not limited by the example embodiments described herein.

As described in the whole text, the speed detection mode of the roller mainly comprises the steps that a sensor is arranged on one side of the roller, and the side surface of the roller, which faces the sensor, is enabled to sense the change period of the relative distance of an object through a simple structure when the roller rotates, so that the speed of the roller is measured and calculated. When an obstacle appears between the sensor and the roller, the sensor can sense the distance change of the object inaccurately, so that the speed measurement is inaccurate.

A moving apparatus and a movable device having a rotation speed detection function according to embodiments of the present invention will be explained in detail with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the present invention provides a mobile device with a rotation speed detection function, including:

the scroll wheel assembly 110, the sensor 120, and the connecting shaft 130; the roller assembly 110 and the sensor 120 are respectively installed at both ends of the connecting shaft 130 to make the roller assembly 110 and the sensor 120 rotate synchronously; the roller assembly 110 is used for driving the sensor 120 to rotate through the connecting shaft 130 when rotating; and a sensor 120 for recording the rotation of itself; the rotation speed of the scroll wheel assembly 110 is determined according to the rotation condition.

Specifically, the sensor and the roller assembly are not arranged on the same side, the rotation speed of the roller assembly is directly measured through the sensor, the sensor and the roller assembly are respectively arranged at two ends of the connecting shaft, and the sensor and the roller assembly are communicated through the connecting shaft, so that the sensor is driven to rotate through the connecting shaft when the roller assembly rotates. The sensor rotates under the drive of connecting axle to the rotatory condition of record self. Because sensor and wheel components rotate simultaneously, therefore the rotation rate of wheel components can be confirmed to the rotation condition of sensor record self.

In an embodiment of the present invention, as shown in fig. 2, the mobile device may further include a bottom plate 210 and a bracket 211; the bottom plate 210 and the connecting shaft 130 form a base; and the sensor 120 is mounted on the base through the bracket 220 so that the connecting shaft 130 drives the sensor 120 to rotate when rotating.

Particularly, in order to conveniently install and protect the sensor, the roller assembly and the sensor are separated by the bottom plate, and a good working environment is provided for the sensor. The base is constituteed jointly to the one end of bottom plate and connecting axle, and the fixed support of using of cooperation is with sensor fixed mounting on the base, guarantees that the sensor can not drop because of reasons such as jolting, collision, increases the cost of maintenance in later stage. One end of a connecting shaft on the base can drive the sensor to rotate along with the roller assembly, and the measurement of the rotating speed is not influenced.

In one embodiment of the present invention, a scroll wheel assembly includes: a roller, a retainer ring and a bearing; the retainer ring is used for fixing the bearing in the roller; and the bearing is used for supporting the roller so that the roller rotates under the driving of the connecting shaft.

Specifically, in order to make the roller rotate better, a bearing is required to be arranged in the roller, the friction coefficient of the roller in the rotating process is reduced through the bearing, and the rotation precision is ensured. In order to prevent the bearing from falling off, a circle of baffle is arranged outside the bearing, so that the bearing is stably arranged in the roller, and the three components form a roller assembly together. The roller assembly is installed on the connecting shaft and can rotate around the shaft.

In an embodiment of the present invention, as shown in fig. 3, which is a cross-sectional view of the connection shaft 130, the connection shaft 130 includes: a connecting member 131 and a roller shaft 132; the connecting piece 131 is arranged in a central through hole of the roller shaft 132; one side of the connecting piece 131 is connected with the inner side of the hub of the roller; the other side of the connecting piece 131 is connected with a sensor; the roller shaft 130 is used for fixing the sensor and the roller assembly; and a connector 131 for driving the sensor to rotate when the scroll wheel assembly rotates.

Specifically, the connecting shaft is divided into two parts, one part is a roller shaft which plays a role in structural support, and the roller shaft is a cylindrical part with a circular central through hole in the middle; the other part is a connecting piece which plays roles of connection and transmission, the connecting piece penetrates through a central through hole of the roller shaft, one side of the connecting piece is connected with the sensor, the other side of the connecting piece is connected with the inner side of the hub of the roller, when the roller rotates, the connecting piece can drive the sensor to rotate along with the roller, the roller shaft plays roles of fixing and supporting, and the normal work of the device is ensured. In order to ensure the transmission effect of the connecting piece, lubricating grease can be filled in the central through hole of the roller shaft, and the connecting piece and the roller shaft can play a role in sealing and ensuring the lubricating effect of the lubricating grease.

In one embodiment of the present invention, the sensor includes a shaft and an encoder; the sensor records the rotation condition of the sensor, including: the rotating shaft is driven by the connecting shaft to rotate; and the encoder is used for recording the rotation condition of the rotating shaft and determining the rotation speed of the roller assembly according to the rotation condition.

In particular, the sensor may be a shaft-type encoder comprising two parts, one being a rotatable shaft and one being an encoder for recording the rotation of the shaft. The sensor can not integrally rotate along with the connecting shaft, but the rotating shaft independently rotates, the encoder records the rotation condition of the rotating shaft, and the rotation speed of the roller assembly is determined according to the rotation condition of the rotating shaft.

Wherein the encoder may be configured to perform: when the rotating shaft rotates to a preset angle, counting pulses are generated and time is recorded. The time interval between the current time and the last counting pulse is determined each time a new counting pulse is generated. The rotational speed of the scroll wheel assembly is determined according to the time interval.

Specifically, the encoder generates a count pulse every time the rotary shaft is rotated to a fixed angle, for example, a standard position as a reference is first determined on the rotary shaft, and a count pulse is generated every time the rotary shaft is rotated by one turn every time the standard position is rotated to a direction perpendicular to the horizontal direction. The difference in the rotational speed of the shaft results in a different time interval, i.e. period, between each counting pulse, by which the time required for one revolution of the shaft and hence the rotational speed of the shaft is determined. The rotating speed of the rotating shaft can be determined according to the time required by one rotation of the rotating shaft. Because the rotating shaft and the roller are connected through the connecting shaft and synchronously rotate, the rotating speed of the rotating shaft can be regarded as the rotating speed of the roller.

In an embodiment of the present invention, when the encoder performs the generating of the count pulse, the encoder performs: converting the angular displacement of the rotating shaft into a periodic electric signal; the electrical signal is converted into counting pulses.

Specifically, the encoder mainly functions to convert the angular displacement into a periodic electrical signal, and then convert the electrical signal into a counting pulse. I.e. the encoder generates a counting pulse each time the shaft is rotated a fixed angle, the difference in rotational speed causing a difference in the time interval, i.e. the period, between the counting pulses. Therefore, when the roller drives the rotating shaft of the sensor to rotate, the rotating speed of the rotating shaft of the sensor can be known through the period of the obtained counting pulse.

In an embodiment of the present invention, the encoder may be configured to perform: adding 1 to the recorded rotation number of the rotating shaft every time the rotating shaft rotates to a preset angle; determining the recorded rotation number of the rotating shaft within a preset time value; and determining the rotation speed of the roller assembly according to the number of turns and the time value, and clearing the recorded number of turns.

Specifically, in addition to the determination of the rotation speed of the rotating shaft by counting pulses, the rotation speed of the rotating shaft may be determined by determining the number of rotations of the rotating shaft per unit time. For example, every time the rotation shaft rotates to 90 degrees perpendicular to the horizontal direction, 1 is added to the recorded number of rotations, and the preset time value is assumed to be 1s, that is, the total number of the recorded number of rotations in 1s is determined, thereby determining the rotation speed of the rotation shaft. After the rotating speed is determined, the recorded rotating number of turns is cleared, so that the rotating speed of the next second is determined, and the detection accuracy is improved.

In an embodiment of the present invention, the mobile device may further include a gear set;

the gear set is arranged between the sensor and the connecting shaft; and the gear set is used for adjusting the rotation speed ratio of the sensor and the connecting shaft when the rotation speed of the roller assembly is larger than the speed measuring range of the sensor.

In particular, since the roller is a member for movement, the rotational speed of the roller may be fast when rapid movement is required. Because the rotating speed of the rotating shaft of the sensor is limited, when the rotating speed of the roller is high, the speed measuring range of the sensor is probably exceeded. At this time, a gear train transmission mechanism needs to be added between the sensor and the connecting piece to change the rotation speed ratio of the connecting piece driving the gear train, so that the sensor can adapt to a larger rotation speed detection range.

As shown in fig. 4, an embodiment of the utility model provides a schematic diagram of a mobile device, including: the device comprises a base plate 1, a roller shaft 2, a roller 3, a retainer ring 4, a bearing 5, a connecting piece 6, a sensor 7 and a bracket 8.

Specifically, the mobile device is mainly composed of 8 parts. The base plate 1 and the roller shaft 2 jointly form a base, the roller 3 and the bearing 5 are fixed through the retainer ring 4, the bearing 5 is guaranteed to be stably installed in the roller 3, and the base plate, the roller shaft 2, the bearing and the bearing jointly form a roller assembly. The roller components are arranged on the roller shaft 2 and can rotate around the shaft. The sensor 7 is mounted on the base by a bracket 8. One side of the connecting piece 6 is fixedly connected with the side surface of the roller 3, and the other end of the round shaft passes through the central through hole of the roller shaft 2 to be connected with the sensor 7. The specific type of sensor 7 is a shaft-type encoder, which is primarily intended to convert angular displacements into periodic electrical signals, which are then converted into counting pulses. That is, the encoder generates a counting pulse each time the encoder shaft rotates a fixed angle, and the difference in the rotational speed causes the interval between the counting pulses, i.e., the period, to be different. Therefore, when the roller 3 drives the rotating shaft of the sensor 7 to rotate, the rotating speed of the rotating shaft of the sensor can be known through the period of the obtained counting pulse. Because the roller 3 and the sensor 7 are directly connected with the connecting piece 6, the two are synchronously rotated, and the rotating speed of the rotating shaft is the rolling speed of the roller.

In summary, the mobile device provided by the embodiments of the present invention has a reliable structure and a simple principle. The sensor has low requirement on the surrounding environment during working and occupies small space.

As shown in fig. 5, an embodiment of the present invention provides a mobile device, including: a movable apparatus body 510 and at least one of any of the moving devices 520;

the moving means 520 is installed at the bottom of the movable apparatus body for enabling movement of the movable apparatus body 510.

For example, as shown in fig. 6, a mobile device includes a mobile device body 810 and two moving devices 620, the mobile device body 610 is disposed on the two moving devices 620 and is driven by the two moving devices 620 to move, during the moving process, the moving devices can measure the speed of their scroll wheel assemblies and share the speed measurement result, when the difference between the speed measurement results is large, the two moving devices are calibrated, and the normal movement is resumed after the calibration.

The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.

Claims (6)

1. A mobile device having a rotation speed detection function, characterized by comprising:

the device comprises a roller assembly, a sensor and a connecting shaft; the roller assembly and the sensor are respectively arranged at two ends of the connecting shaft so as to enable the roller assembly and the sensor to synchronously rotate; the roller assembly is used for driving the sensor to rotate through the connecting shaft when the sensor rotates; and

the roller assembly includes: a roller, a retainer ring and a bearing; the retainer ring is used for fixing the bearing in the roller; the bearing is used for supporting the roller so that the roller can rotate under the driving of the connecting shaft.

2. The mobile device of claim 1, further comprising a base plate and a support; the base plate and the connecting shaft form a base; the sensor passes through the support mounting is in on the base to make the connecting axle drives when rotating the sensor rotates.

3. The mobile device according to claim 1, wherein the connection shaft comprises: a connecting piece and a roller shaft; the connecting piece is arranged in a central through hole of the roller shaft; one side of the connecting piece is connected with the inner side of the hub of the roller; the other side of the connecting piece is connected with the sensor; the roller shaft is used for fixing the sensor and the roller assembly; the connecting piece is used for driving the sensor to rotate when the roller assembly rotates.

4. The mobile device of claim 1, wherein the sensor comprises a shaft and an encoder; the rotating shaft is driven by the connecting shaft to rotate; and the encoder is used for recording the rotation condition of the rotating shaft.

5. Mobile device according to claim 1,

the mobile device further comprises: a gear set; the gear set is arranged between the sensor and the connecting shaft; the gear set is used for changing the rotating speed ratio of the sensor and the connecting shaft.

6. A mobile device, comprising:

a mobile device body and at least one mobile apparatus as claimed in any one of claims 1 to 5;

the mobile device is installed at the bottom of the movable equipment body and used for achieving the movement of the movable equipment body.

Images