CN209895313U - Track ball mouse capable of preventing cursor from shaking - Google Patents
Track ball mouse capable of preventing cursor from shaking Download PDFInfo
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- CN209895313U CN209895313U CN201921166734.1U CN201921166734U CN209895313U CN 209895313 U CN209895313 U CN 209895313U CN 201921166734 U CN201921166734 U CN 201921166734U CN 209895313 U CN209895313 U CN 209895313U
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Abstract
The utility model discloses a track ball mouse for preventing cursor from shaking, which comprises a lower base, a rolling ball and an upper shell; the lower base comprises a rear cover and a lower shell, the lower shell is a regular structural member which is connected with the periphery in a closed mode and is provided with vertical through holes, and the rear cover is installed at the bottom of the lower shell in a sealing mode; the upper shell is a cavity-through piece in a regular shape, the upper shell and the lower base are in upper-lower sealing connection to form an upper-opening containing cavity, the rolling balls are arranged in the containing cavity, the upper peripheries of the rolling balls are provided with ball covers in a surrounding mode, the rolling balls are in limiting connection in the upper shell through the ball covers, and the upper ends of the rolling balls protrude out of the upper opening of the upper shell. The cavity is also internally provided with a power system and a slip ring, the power system is arranged above the rear cover in the cavity, and the slip ring is directly contacted with and surrounds the lower half of the rolling ball. The utility model discloses can effectively overcome track ball mouse cursor skew problem when using under the shake environment, improve the gliding accuracy of mouse and in the same direction as the smoothness.
Description
Technical Field
The utility model belongs to the technical field of the trackball, concretely relates to prevent trackball mouse of cursor shake.
Background
The trackball mouse is mostly applied to industries, medical industries and the like, the working principle and the internal structure of the trackball mouse are similar to those of a common mouse, the trackball mouse is positioned by reading the rolling direction and speed of a rolling ball, a base is fixed, and the rolling ball at the top of the trackball mouse moves. The user rotates the rolling ball by using the fingers or the palm to control the action of the mouse on the screen. Its biggest advantage is just need not remove whole arm when using, has reduced the tired degree of whole hand, has saved the usage space, reduces the tired sense of user's wrist. The track ball has the advantages of accurate positioning, difficult shaking and the like due to the design characteristics, and is suitable for graphic design, industrial operation and the like.
The track ball mouse is applied to vehicle-mounted equipment, when an automobile starts or runs, the shaking of the rolling ball can cause the shaking of a cursor, and the use precision and the operation accuracy can be influenced. The rolling ball is adjusted too tightly, so that the operation is not smooth, and the rolling ball is blocked and cannot rotate flexibly due to the hardening of the rubber limited in the rolling ball when the rolling ball is used in a low-temperature environment; the rolling ball is adjusted loosely, and the increase of the shaking range of the rolling ball causes the shaking area of the cursor to become larger.
Disclosure of Invention
In order to solve the problem, the utility model provides a prevent track ball mouse of cursor shake can effectively overcome the problem of cursor skew when track ball mouse uses under the shake environment. The utility model discloses technical scheme as follows:
a track ball mouse capable of preventing cursor from shaking comprises a lower base, a rolling ball and an upper shell; the lower base comprises a rear cover and a lower shell, the lower shell is a regular structural member which is connected with the periphery in a closed mode and is provided with vertical through holes, and the rear cover is installed at the bottom of the lower shell in a sealing mode; the upper shell is a regular cavity-through piece, the upper shell and the lower base are in upper and lower sealing connection to form a cavity with an upper opening, the rolling balls are arranged in the cavity, the upper peripheries of the rolling balls are provided with ball covers in a surrounding manner, the rolling balls are in limit connection in the upper shell through the ball covers, and the upper ends of the rolling balls protrude out of the upper opening of the upper shell; the cavity is also internally provided with a power system and a slip ring, the power system is arranged above the rear cover in the cavity, and the slip ring is directly contacted with and surrounds the lower half of the rolling ball.
The power system comprises a main circuit system and a magnetic control system, and the material of the rolling ball contains metal iron; the main circuit system controls the movement of the track ball, the magnetic control system comprises a three-axis gyro sensor, a microprocessor and a magnetic module, and the magnetic control system adjusts the tightness of the rolling ball by automatically adjusting the magnetic force between the magnetic module and the rolling ball.
The three-axis gyro sensor is connected with the microprocessor circuit, and the microprocessor is connected with the magnetic module circuit; the magnetic module is connected with the rolling ball through a slip ring.
The magnetic module is preferably an electromagnet, and a magnetic control circuit is arranged in the electromagnet; the electromagnet is fitted around the outer wall of the slip ring.
Furthermore, a magnetic control signal pin is arranged on the microprocessor and connected to a magnetic control circuit in the electromagnet.
The main circuit system, the three-axis gyro sensor and the microprocessor are integrated on a circuit board, the circuit board is arranged above the rear cover in the containing cavity, and a waterproof cover is arranged above the circuit board.
The utility model has the advantages that: the utility model is internally provided with a main circuit system and a magnetic control system, the magnetic control system comprises a three-axis gyro sensor, a microprocessor and a magnetic module, the three-axis gyro sensor is connected with the microprocessor by a circuit, and the microprocessor is connected to the magnetic module by a magnetic control signal pin; the three-axis gyro sensor detects the using environment of the rolling ball, and a magnetic control program can be arranged on the microprocessor according to the requirement, so that the functions of switching on and off the magnetic force and adjusting the magnitude of the magnetic force are realized, and the purpose of automatically adjusting and controlling the tightness of the track ball mouse is realized. The utility model discloses can effectively overcome track ball mouse cursor skew problem when using under the shake environment, improve the gliding accuracy of mouse and in the same direction as the smoothness.
Drawings
Fig. 1 is a schematic view of the appearance structure of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is a schematic diagram of the architecture of the power system of the present invention;
FIG. 4 is a schematic view of the connection between the circuit board and the electromagnet;
FIG. 5 is a circuit diagram of a main circuit system in the embodiment;
FIG. 6 is a circuit diagram of a three-axis gyro sensor in an embodiment;
FIG. 7 is a circuit diagram of a microprocessor in an embodiment;
FIG. 8 is a control circuit diagram of an electromagnet in the embodiment;
fig. 9 is an electromagnet control state table in the embodiment.
Reference numerals: the electromagnetic induction type electromagnetic switch comprises a rear cover 1, a circuit board 2, a waterproof cover 3, a lower shell 4, an electromagnet 5, a sliding ring 6, a rolling ball 7, a ball cover 8 and an upper shell 9.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
An automatically heated trackball, comprising: the water-proof electromagnetic switch comprises a lower base, a circuit board 2, a waterproof cover 3, an electromagnet 5, a sliding ring 6, a rolling ball 7, a ball cover 8 and an upper shell 9.
The lower base is an upper opening cavity structure and comprises a rear cover 1 and a lower shell 4, the lower shell 4 is a regular structural member which is connected with the periphery in a closed mode and is provided with vertical through holes, and the rear cover 1 is installed at the bottom of the lower shell 4 in a sealing mode.
The upper shell 9 is a regular cavity-through member, and the upper shell 9 and the lower base are hermetically connected from top to bottom to form a cavity with an upper opening. The circuit board 2, the waterproof cover 3, the electromagnet 5, the slip ring 6, the rolling ball 7 and the ball cover 8 are all arranged in the containing cavity.
The rolling ball 7 is arranged in the containing cavity, a ball cover 8 is arranged on the upper circumference of the rolling ball 7 in a surrounding mode, the rolling ball 7 is connected in the upper shell 9 in a limiting mode through the ball cover 8, and the upper end of the rolling ball 7 protrudes out of the upper opening of the upper shell 9.
The circuit board 2 and the waterproof cover 3 are arranged between the rear cover 1 and the rolling ball 7. The circuit board 2 is arranged above the rear cover 1 in the accommodating cavity, the waterproof cover 3 is arranged above the circuit board 2, and the waterproof cover 3 has a waterproof effect.
A main circuit system, a three-axis gyro sensor and a microprocessor are integrated in the circuit board 2. The main circuit system controls the rolling or rotating of the rolling ball 7 in the embodiment, and the three-axis gyro sensor is connected with the microprocessor circuit.
The three-axis gyro sensor detects the service environment of the embodiment, and the three-axis gyro sensor transmits the acquired service environment parameters to the microprocessor. The microprocessor is provided with a control signal pin which is connected to the electromagnet 5. A magnetic control circuit is arranged in the electromagnet 5 and has the functions of switching on and off the magnetic force and adjusting the magnitude of the magnetic force.
The electromagnet 5 is matched and surrounded on the outer wall of the sliding ring 6, and the sliding ring 6 is in direct contact connection with the rolling ball 7. The sliding ring 6 is made of teflon, the friction coefficient is small, the sliding ring 6 is in direct contact with the rolling ball 7 in a surrounding mode, the friction force of the contact surface of the sliding ring 6 and the rolling ball 7 is small, and the rolling ball 7 can roll smoothly.
The three-axis gyro sensor, the microprocessor and the electromagnet 5 form a magnetic control system, the rolling ball 7 is made of a material containing metal iron, and the magnetic control system can start and stop the magnetic force between the electromagnet 5 and the rolling ball 7. The microprocessor can be provided with a magnetic force control program, such as presetting the magnetic force state of the electromagnet 5. The specific preset program is as shown in fig. 9: three states of the electromagnet 5 can be preset on the microprocessor, wherein the state 1 is a closed state, the state 2 is a large magnetic force state, and the state 3 is a small magnetic force state; when both pin GPIO3 and pin GPIO4 are 0, electromagnet 5 is in state 1, i.e., off state; when pin GPIO3 is 0 and pin GPIO4 is 1, electromagnet 5 is in state 2, i.e., a large magnetic force state; when pin GPIO3 is 1 and pin GPIO4 is 0, electromagnet 5 is in state 3, i.e., a small magnetic force state.
The triaxial gyro sensor collects environmental parameters used in the embodiment and converts the environmental parameters into voltage values, the microprocessor reads the voltage values fed back by the triaxial gyro sensor through I2C, the voltage values are converted into signals through AD conversion and identify and judge the environmental parameters, and the microprocessor outputs signals to the electromagnet 5 through the magnetic control signal pins GPIO3 and GPIO4 and regulates and controls the electromagnet 5. The microprocessor can turn on or off the magnetic force of the electromagnet 5, and can also adjust the magnetic force of the electromagnet 5, so that the magnetic control of the rolling ball 7 is realized, and the purpose of controlling the tightness of the rolling ball 7 is achieved.
When the three-axis gyro sensor detects that the rolling ball 7 is loose, namely the shaking clearance is large, the microprocessor regulates and controls the magnetic force of the electromagnet 5 according to the information detected by the three-axis gyro sensor, so that the state of the electromagnet 5 is regulated to be in a large magnetic force state, namely the magnetic force between the electromagnet 5 and the rolling ball 7 is increased, and the rolling ball 7 is regulated to be in a normal tightness state from the loose state.
When the three-axis gyro sensor detects that the rolling ball 7 is tighter, namely the shaking clearance is smaller, the microprocessor regulates and controls the magnetic force of the electromagnet 5 according to the information detected by the three-axis gyro sensor, so that the state of the electromagnet 5 is regulated to be in a small magnetic force state, namely the magnetic force between the electromagnet 5 and the rolling ball 7 is reduced, and the rolling ball 7 is regulated to be in a normal tightness state from the tighter state.
When the three-axis gyro sensor detects that the rolling ball 7 is in a normal tightness state, the microprocessor regulates and controls the magnetic force of the electromagnet 5 according to information detected by the three-axis gyro sensor, so that the state of the electromagnet 5 is regulated and closed.
The embodiment can effectively overcome the problem of cursor deviation when the track ball mouse is used in a shaking environment, and improves the accuracy and the smoothness of mouse sliding.
Claims (7)
1. A track ball mouse capable of preventing cursor from shaking comprises a lower base, a rolling ball (7) and an upper shell (9); the lower base comprises a rear cover (1) and a lower shell (4), the lower shell (4) is a regular structural member with the periphery closed and connected and vertical through holes, and the rear cover (1) is hermetically installed at the bottom of the lower shell (4); the upper shell (9) is a regular cavity-through piece, the upper shell (9) and the lower base are in upper and lower sealing connection to form a cavity with an upper opening, the rolling ball (7) is arranged in the cavity, the upper periphery of the rolling ball (7) is provided with a ball cover (8) in a surrounding manner, the rolling ball (7) is in limit connection with the upper shell (9) through the ball cover (8), and the upper end of the rolling ball (7) protrudes out of the upper opening of the upper shell (9); the novel rolling ball type power supply is characterized in that a power system and a sliding ring (6) are further arranged in the accommodating cavity, the power system is arranged above the rear cover (1) in the accommodating cavity, and the sliding ring (6) is in direct contact with and surrounds the lower half of the rolling ball (7).
2. The cursor shake preventing track ball mouse according to claim 1, wherein the power system comprises a main circuit system and a magnetic control system, and the rolling ball (7) is made of metal iron; the main circuit system controls the movement of the track ball, the magnetic control system comprises a three-axis gyro sensor, a microprocessor and a magnetic module, and the magnetic control system adjusts the tightness of the rolling ball (7) by automatically adjusting the magnetic force between the magnetic module and the rolling ball (7).
3. The trackball mouse for preventing cursor shaking according to claim 2, wherein the three-axis gyro sensor is electrically connected with the microprocessor, and the microprocessor is electrically connected with the magnetic module; the magnetic module is connected with the rolling ball (7) through a slip ring (6).
4. The trackball mouse for preventing cursor shaking according to claim 3, wherein the magnetic module is an electromagnet (5), and a magnetic control circuit is arranged in the electromagnet (5); the electromagnet (5) is matched and encircled on the outer wall of the slip ring (6).
5. The trackball mouse for preventing cursor shaking according to claim 4, wherein the microprocessor is provided with a magnetic control signal pin, and the magnetic control signal pin is connected to a magnetic control circuit in the electromagnet (5).
6. A trackball mouse for preventing cursor shake according to claim 5, characterized in that the main circuit system, the three-axis gyro sensor and the microprocessor are integrated on a circuit board (2), the circuit board (2) being arranged above the back cover (1) in the cavity.
7. The trackball mouse for preventing cursor shaking according to claim 6, wherein a waterproof cover (3) is disposed above the circuit board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166734.1U CN209895313U (en) | 2019-07-24 | 2019-07-24 | Track ball mouse capable of preventing cursor from shaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166734.1U CN209895313U (en) | 2019-07-24 | 2019-07-24 | Track ball mouse capable of preventing cursor from shaking |
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| Publication Number | Publication Date |
|---|---|
| CN209895313U true CN209895313U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921166734.1U Active CN209895313U (en) | 2019-07-24 | 2019-07-24 | Track ball mouse capable of preventing cursor from shaking |
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| CN (1) | CN209895313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041373A1 (en) * | 2020-08-28 | 2022-03-03 | 深圳市畅响科技有限公司 | Page turning pen having trackball |
| RU226066U1 (en) * | 2024-01-18 | 2024-05-20 | Евгений Леонидович Церенков | DIGITAL MOBILE DEVICE WITH TRACKBALL CONTROL |
-
2019
- 2019-07-24 CN CN201921166734.1U patent/CN209895313U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041373A1 (en) * | 2020-08-28 | 2022-03-03 | 深圳市畅响科技有限公司 | Page turning pen having trackball |
| RU226066U1 (en) * | 2024-01-18 | 2024-05-20 | Евгений Леонидович Церенков | DIGITAL MOBILE DEVICE WITH TRACKBALL CONTROL |
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