CN109871134B - Automatic positioning device for mouse - Google Patents
Automatic positioning device for mouse Download PDFInfo
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- CN109871134B CN109871134B CN201910268973.6A CN201910268973A CN109871134B CN 109871134 B CN109871134 B CN 109871134B CN 201910268973 A CN201910268973 A CN 201910268973A CN 109871134 B CN109871134 B CN 109871134B
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- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000001105 regulatory effect Effects 0.000 claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 17
- 210000003811 finger Anatomy 0.000 description 18
- 230000009471 action Effects 0.000 description 13
- 210000003813 thumb Anatomy 0.000 description 9
- 239000000428 dust Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000013642 negative control Substances 0.000 description 3
- 239000013641 positive control Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The automatic mouse positioning device comprises a motor speed reducing mechanism, a speed regulating circuit, a first control circuit and a second control circuit, wherein the speed regulating circuit, the first control circuit and the second control circuit are arranged on a circuit board in a mouse shell, the lower end of the shell of the motor speed reducing mechanism is arranged at the front middle part in the mouse shell, the left end of a power output shaft of the motor speed reducing mechanism is sleeved in a rotating wheel shaft hole in the middle part of a toggle electronic switch in the mouse, the first control circuit and the second control circuit are consistent in structure and all comprise a photoresistor, an adjustable resistor, an NPN triode, a resistor and a micro relay, and the motor speed reducing mechanism, the speed regulating circuit, the first control circuit and the second control circuit are connected through wires. The invention controls the page of the computer display interface to be pulled up or pulled down without manual operation of a user, thereby bringing convenience to the user. Based on the above, the invention has good application prospect.
Description
Technical Field
The invention relates to the field of mouse control equipment for computers, in particular to an automatic positioning device for a mouse.
Background
The mouse is used as an important auxiliary matching device of the computer, is an input device of the computer, is also an indicator for positioning the longitudinal and transverse coordinates of a computer display system, and is used for enabling the operation of the computer to be simpler, more convenient and quicker and replacing complex input instructions of a keyboard. In application, a user dials the dial wheel in the front and back circumferential directions by fingers, and the dial wheel drives a toggle electronic switch connected with a dial wheel shaft in a mouse shell to rotate forwards or backwards, so that the display page of the display is pulled up or pulled down under the action of related matched circuits of the electronic switch, and the user can read webpage information and document information displayed on a display interface.
Because the structure of the existing mouse is limited, in order to facilitate people to operate the thumb wheel, the thumb wheel is arranged at the front upper end of the mouse shell, a part of the thumb wheel is positioned at the outer side of the shell, and for the rolling of the thumb wheel, a gap is inevitably formed between the shell and the thumb wheel, so that in actual use, external dust and the like easily enter the shell through the gap, and poor contact caused by dirt of contacts and the like in the shell and an electronic switch of the thumb wheel is caused, and further, the operation failure of a display page of a pull-up or pull-down computer is caused; or dust and the like cause dirt of a photoelectric switch in the shell, so that the photoelectric signal is received and processed poorly, and the operation of the mouse is failed. In addition, in the operation of the thumb wheel, people need to frequently slide the thumb wheel forwards or backwards with fingers, and certain inconvenience is brought to the operation of people.
Based on the above, it is especially necessary to provide an automatic mouse positioning device that can realize the totally-enclosed installation of the upper end of the mouse housing, reduce the influence of dust on the working performance of the mouse as much as possible, and realize convenient operation.
Disclosure of Invention
In order to overcome the defects that the prior mouse dial wheel has poor contact probability and influences the normal operation of a mouse and brings inconvenience to the operation of a user due to the limited structure, the invention provides the automatic mouse positioning device which can realize the upper end sealing of the mouse shell, reduce the influence of dust entering the shell and bringing normal use to the mouse as far as possible, does not need the user to stir by hands in the operation and brings convenience to the operation of the user.
The technical scheme adopted for solving the technical problems is as follows:
The automatic mouse positioning device comprises a motor speed reducing mechanism, and is characterized by further comprising a speed regulating circuit, a first control circuit and a second control circuit, wherein the speed regulating circuit, the first control circuit and the second control circuit are arranged on a circuit board in the mouse shell, the two power input ends of the speed regulating circuit, the first control circuit and the second control circuit are respectively connected with the two 5V power input ends in the mouse through wires, the positive power output end of the speed regulating circuit is connected with the control power input ends of the first control circuit and the second control circuit through wires, the two power output ends of the first control circuit are respectively connected with the positive power input end and the negative power input end of the motor speed reducing mechanism through wires, the two power output ends of the second control circuit and the negative power input end of the motor speed reducing mechanism are respectively connected through wires, the lower end of the shell of the motor speed reducing mechanism is arranged in the middle part in the mouse shell, the left end of the power output shaft of the motor speed reducing mechanism is sleeved in a shaft hole in the middle of a rotating wheel of an electronic switch, the first control circuit and the second control circuit are consistent in structure, the structure and comprise photoresistors, adjustable resistors, NPN resistors, triodes and micro-resistors are respectively connected with the photoresistors through wires between the photoresistors and the first control circuit and the second photoresistors, the photoresistors are respectively arranged in the middle of the front of the shell through a small hole, and the hole is arranged in the middle of the mouse, and the hole is sealed in the middle between the hole is arranged in the middle between the hole and the hole.
The motor reducing mechanism is a direct current motor gear reducing device.
The speed regulating circuit comprises a ceramic chip capacitor, a three-terminal integrated adjustable voltage regulator, an adjustable resistor and a resistor, wherein the three-terminal integrated adjustable voltage regulator is connected through a circuit board wiring, the model of the three-terminal integrated adjustable voltage regulator is LM317, the positive electrode power supply input end of the three-terminal integrated adjustable voltage regulator is connected with one end of the first ceramic chip capacitor, the output end of the three-terminal integrated adjustable voltage regulator is connected with one end of the resistor and one end of the second ceramic chip capacitor, the negative electrode power supply input end of the three-terminal integrated adjustable voltage regulator is connected with one end of the adjustable resistor and the other end of the resistor, and the other end of the first ceramic chip capacitor is connected with the other end of the adjustable resistor and the other end of the second ceramic chip capacitor.
The regulating handle of the adjustable resistor of the speed regulating circuit is positioned outside the upper end of the first opening from front to back in the middle of the front end of the mouse shell.
In the first control circuit, one end of an adjustable resistor is connected with an anode power input end of a relay and one end of the resistor, the other end of the adjustable resistor is connected with one end of a photoresistor, the other end of the photoresistor is connected with a base electrode of a first NPN triode, a collector electrode of the first NPN triode is connected with the base electrode of the resistor, the other end of the resistor is connected with a base electrode of a second NPN triode, a collector electrode of the second NPN triode is connected with a cathode power input end of the relay, and an emitter electrode of the first NPN triode and a cathode control power input end of the relay are connected.
The invention has the beneficial effects that: the other structures and functions of the mouse are completely consistent with the existing mouse in use principle and use process, and the main function of the mouse is to replace the manual dial wheel of the existing mouse to drive the electronic switch to rotate forwards or backwards, so that the display page of the display is pulled up or pulled down under the action of related supporting circuits of the electronic switch, and a user can read webpage information and document information displayed on the display interface. When the mouse is used, when the webpage information and the document information displayed on the display interface are required to be pulled up, a user only needs to cover the light-receiving surface of the photoresistor of the second control circuit by fingers, so that under the action of the second control circuit, the power output shaft of the micro motor speed reducing mechanism drives the rotating wheel of the electronic switch to rotate backwards, and further the webpage information and the document information displayed on the display interface of the computer are controlled to be pulled up; when the web page information and the document information displayed on the display interface are required to be pulled down, a user only needs to cover the light-receiving surface of the photoresistor of the first control circuit by fingers, so that the power output shaft of the micro motor speed reducing mechanism drives the rotating wheel of the electronic switch to rotate forwards under the action of the first control circuit, and further the web page information and the document information displayed on the display interface are controlled to be pulled down. The invention controls the page of the computer display interface to be pulled up or pulled down without manual operation of a user, thereby bringing convenience to the user. Based on the above, the invention has good application prospect.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure between the present invention and the mouse as a whole.
FIG. 2 is a schematic diagram of the structure between the invention and an electronic switch in the housing of the mouse.
Fig. 3 is a circuit diagram of the present invention.
Detailed Description
The automatic positioning device of the mouse shown in figures 1 and 2 comprises a miniature motor speed reducing mechanism 1, a front middle thumb wheel of the mouse 2 is not used, the front middle upper end of a mouse shell 3 is of a closed structure, the automatic positioning device of the mouse also comprises a speed regulating circuit 4, a first control circuit 5 and a second control circuit 6, the speed regulating circuit 4, the first control circuit 5 and the second control circuit 6 are arranged on a circuit board in the mouse shell 3, the power input two ends of the speed regulating circuit 4, the first control circuit 5 and the second control circuit 6 are respectively connected with the 5V power input two ends in the mouse 2 through wires, the positive power output end of the speed regulating circuit 4 is connected with the control power input ends of the first control circuit 5 and the second control circuit 6 through wires, the power output two ends of the first control circuit 5 and the positive and negative two-electrode power input ends of the miniature motor speed reducing mechanism 1 are respectively connected through wires, the two ends of the power output of the second control circuit 6 are respectively connected with the negative and positive electrode power input ends of the micro motor reducing mechanism 1 through wires, the lower end of the shell of the micro motor reducing mechanism 1 is welded at the front middle part in the mouse shell 3, the left end of the power output shaft of the micro motor reducing mechanism 1 is sleeved in the shaft hole of the rotating wheel 71 in the middle part of the toggle electronic switch 7 in the mouse, the first control circuit 5 and the second control circuit 6 are consistent in structure and respectively comprise a photoresistor, an adjustable resistor, an NPN triode, a resistor and a micro relay, the photoresistors are connected through wiring of a circuit board, three small holes 31, 32 and 33 are formed in the middle part of the front end of the mouse shell 3 at intervals from front to back, the photoresistors 51 and 61 of the first control circuit 5 and the second control circuit 6 are respectively adhered in the second hole 32 and the third hole 32 from front to back, the photoresistors 51 and 61 and the hole 32 are respectively, 33 (the light receiving surfaces of the photoresistors 51 and 61 are located outside the upper end of the housing 3).
The micro motor reduction mechanism 1 is a miniature direct current motor gear reduction device with brand Jie Cheng Dianji and model 6MM, and the transverse length is only 12MM and the diameter of a motor shell is 6MM, which are shown in figures 1 and 2. The regulating handle 41 of the adjustable resistor of the speed regulating circuit is located outside the upper end of the first opening 31 from front to back in the middle of the front end of the mouse shell 3, because the lower end of the regulating handle 41 is located at the upper end of the opening 31, the outer diameter of the regulating handle 41 is larger than the inner diameter of the opening 31, the lower end of the regulating handle 41 is contacted with the outer side of the upper end of the opening 31 (the regulating shaft at the lower end of the regulating handle 41 and the opening 31 ensure extremely small gap as much as possible under the premise of not influencing rotation), and external dust can be effectively prevented from entering the shell 3 under the premise of not influencing the rotation of the regulating handle 4.
As shown in fig. 3, the miniature motor reducing mechanism M is miniature direct current motor gear reducing equipment with brand number of Jie Cheng Dianji and model number of 6MM, the transverse length is only 12MM, the diameter of the motor shell is 6MM, the left end shell is internally provided with a multistage miniature gear reducing mechanism, the power output by the motor is output from the power output shaft at the left end after the torque is increased through multistage gear reduction in operation, and the rotating speed of the power output shaft per minute is up to 135 revolutions. The speed regulating circuit comprises ceramic chip capacitors C1 and C2, a three-terminal integrated adjustable voltage regulator U, an adjustable resistor RP and a resistor R, wherein the three-terminal integrated adjustable voltage regulator U is connected through circuit board wiring, the model of the three-terminal integrated adjustable voltage regulator U is LM317, a positive electrode power input end 3 pin of the three-terminal integrated adjustable voltage regulator U is connected with one end of a first ceramic chip capacitor C1, an output end 2 pin of the three-terminal integrated adjustable voltage regulator U is connected with one end of the resistor R, one end of a second ceramic chip capacitor C2, a negative electrode power input end 1 pin of the three-terminal integrated adjustable voltage regulator U is connected with one end of the adjustable resistor RP, the other end of the resistor R, and the other end of the first ceramic chip capacitor C1 is connected with the other end of the adjustable resistor RP and the other end of the second ceramic chip capacitor C2. In the first control circuit, one end of an adjustable resistor RP1 is connected with a positive power input end of a relay J1 and one end of a resistor R1, the other end of the adjustable resistor RP1 is connected with one end of a photoresistor RL1, the other end of the photoresistor RL1 is connected with a base electrode of an NPN triode Q1, a collector electrode of the NPN triode Q1 is connected with the other end of the resistor R1 and a base electrode of the NPN triode Q2, a collector electrode of the NPN triode Q2 is connected with a negative power input end of the relay J1, and emitters of the NPN triodes Q1 and Q2 are connected with a negative control power input end of the relay J1. In the second control circuit, one end of an adjustable resistor RP2 is connected with the positive power input end of a relay J2, one end of a resistor R2 is connected, the other end of the adjustable resistor RP2 is connected with one end of a photoresistor RL2, the other end of the photoresistor RL2 is connected with the base electrode of an NPN triode Q3, the collector electrode of the NPN triode Q3 is connected with the other end of the resistor R2, the base electrode of the NPN triode Q4 is connected with the negative power input end of the relay J2, and the emitters of the NPN triodes Q3 and Q4 are connected with the negative control power input end of the relay J2.
In fig. 3, one end and the other end of a ceramic chip capacitor C1 at two ends of a power input of a speed regulating circuit, one end of an adjustable resistor RP1 at two ends of a power input of a first control circuit, an emitter of an NPN triode Q1, one end of an adjustable resistor RP2 at two ends of a power input of a second control circuit, the emitter of the NPN triode Q2 and two ends of a 5V power G input inside a mouse are respectively connected through wires, a three-end integrated adjustable voltage regulator U at the positive power output end of the speed regulating circuit and the positive control power input end of a relay J1 of the first control circuit, the positive control power input end of a relay J2 of the second control circuit are connected through wires, two normally open contact ends of a relay K1 at two ends of a power output of the first control circuit and the positive and negative control power input ends of a two ends of a micro motor reducing mechanism M are respectively connected through wires, the lower ends of a shell of the micro motor reducing mechanism M are welded at the front middle part in the shell, a left sleeve of a power output shaft of the micro motor reducing mechanism M is sleeved at the middle part of the front part in the mouse is in the middle of the shell, the front of the mouse is connected to a photosensitive circuit through a corresponding hole between the first electrode and the mouse through a small hole, the front of the photosensitive circuit and the mouse is connected to the front of the photosensitive circuit through a small hole, the photosensitive circuit is sealed with the photosensitive circuit, and the photosensitive circuit is connected between the photosensitive circuit and the photosensitive circuit.
The other structures and functions of the mouse 2 are shown in fig. 1,2 and 3, the use principle and the use process of the mouse are completely consistent with those of the existing mouse, the main function of the mouse is to replace the driving wheel of the existing mouse to drive the electronic switch 7 to rotate forwards or backwards, and further the pull-up or pull-down of a display page of a computer display is realized under the action of related matched circuits of the electronic switch 7, so that a user can read webpage information and document information displayed on the display interface. When a 5V power supply G in a mouse enters a3 pin of a three-terminal integrated adjustable voltage regulator U of a speed regulating circuit and the other end of an adjustable resistor RP, under the combined action of the internal circuit of the three-terminal integrated adjustable voltage regulator U, the capacitors C1 and C2 (filtering action) of peripheral elements of the three-terminal integrated adjustable voltage regulator U and a resistor R, the resistance value of the adjustable resistor RP is changed through adjusting an adjusting handle of the adjustable resistor RP, so that the voltage output by an output end 2 pin of the three-terminal integrated adjustable voltage regulator U can be changed, the resistance value is reduced when a knob (adjusting handle) of the adjustable resistor RP is adjusted leftwards, and the voltage input by a cathode power supply input end 1 pin of the three-terminal integrated adjustable voltage regulator U is increased, so that the voltage output by an output end 2 pin of the three-terminal integrated adjustable voltage regulator U is reduced under the combined action of the resistor R, and the voltage output by an anode power supply input end 1 pin of the three-terminal integrated adjustable voltage regulator U is reduced when the knob of the adjustable resistor RP is adjusted rightwards; the positive electrode of the direct current power supply output by the 2 pins of the three-terminal integrated adjustable voltage stabilizer U enters the positive electrode control power supply input end of the relay J1 of the first control circuit and the positive electrode control power supply input end of the relay J2 of the second control circuit, and meanwhile, the negative electrode of the power supply G in the mouse enters the negative electrode control power supply input end of the relay J1 of the first control circuit and the negative electrode control power supply input end of the relay J2 of the second control circuit.
As shown in fig. 1,2 and 3, the first control circuit, the second control circuit and the micro motor reduction mechanism M: the fingers of the user do not need any operation at ordinary times and are placed between the second opening 32 and the third opening 33 at the upper end of the mouse shell, the upper light receiving surfaces of the two photoresistors RL1 and RL2 are not covered, the light rays including the lamplight in the room are irradiated on the upper light receiving surfaces of the two photoresistors RL1 and RL2, the resistance value of the two photoresistors RL1 and RL2 is lower than about 300K (the gap between the second opening and the third opening at the upper end of the mouse shell 3 ensures that the fingers can not contact the upper ends of the two openings when the fingers are placed in the gap, In actual operation, since the upper ends of the two openings are not pressed by the finger, the photoresistors RL1 and RL2 can effectively receive light rays irradiated from the left end, the right end, the front end and the like of the finger, the resistance value is about 300K), at the moment, the voltage at the base electrodes of the two NPN triodes Q1 and Q3 is higher than 0.7V, so that the two NPN triodes Q1 and Q3 are in a conducting state, after the two NPN triodes Q1 and Q3 are respectively conducted, the collectors of the two NPN triodes Q1 and Q3 respectively output low level to enter the bases of the two NPN triodes Q2 and Q4, the bases of the two NPN triodes Q2 and Q4 have no proper forward bias current, and the collectors of the two NPN triodes are in a non-conducting state, The relays J1 and J2 are in a power-off state; when the mouse 2 is used, when the webpage information and the document information displayed on the computer display interface are required to be pulled up and turned over, a user can cover the light receiving surface of the photoresistor RL2 of the second control circuit by fingers, the resistance value of the photoresistor RL2 becomes very large because the light receiving surface of the photoresistor RL2 is not illuminated, the voltage at the base electrode of the NPN triode Q3 entering the adjustable resistor RP2 and the photoresistor RL2 is lower than the 0.7V starting voltage of the NPN triode Q3, the collector electrode of the NPN triode Q3 is cut off and no level is output, at the moment, the base electrode of the NPN triode Q4 can be conducted by a proper bias voltage from the positive electrode of the 5V power supply G in the mouse through the resistor R2, The collector output low level of NPN triode Q4 after being conducted enters the negative power input end of relay J2 (the positive power input end of relay J2 is communicated with the negative electrode of 5V power supply in the mouse), so that the relay J2 is electrified to attract the two control power input ends and the two normally open contact ends of the relay J2 to be respectively closed, because the two normally open contact ends of the relay J2 are respectively connected with the negative positive power input end and the positive power input end of micro motor reduction mechanism M through wires, the two control power input ends of the relay J2 are respectively connected with the 2 feet of three-terminal integrated adjustable voltage stabilizer U and the other end of the porcelain piece capacitor C1, and at the moment, the power output by the two normally open contact ends of the relay J2 enters the negative positive power input end of the micro motor reduction mechanism M, the motor rotating shaft of the micro motor reducing mechanism M rotates clockwise after the micro motor reducing mechanism M works after power is supplied, the power output shaft of the micro motor reducing mechanism M rotates anticlockwise under the action of the reducing gear mechanism in the micro motor reducing mechanism M, the power output shaft of the micro motor reducing mechanism M drives the electronic switch rotating wheel 71 of the mouse to rotate anticlockwise (which is equivalent to that a finger of a user dials the dial wheel to the front side and drives the electronic switch rotating wheel 71 to rotate anticlockwise), further, the control of the webpage information and the document information displayed on the computer display interface to be pulled up is realized under the action of related supporting circuits of the electronic switch 7 of the mouse, the user does not need to control the page to be pulled up and the finger to leave the photoresistor RL2, The resistance value of the photoresistor RL2 is reduced again, the NPN triode Q3 is conducted, the NPN triode Q4 is cut off, the relay J2 is not powered off and is not powered on any more, the micro motor reducing mechanism M is not powered off and is not operated any more, the electronic switch rotating wheel 71 is not rotated forwards any more, and then the webpage information and the document information displayed on the computer display interface are not pulled up and turned up any more, and are in a static state.
In the use of the mouse 2 shown in fig. 1, 2 and 3, when the web page information and the document information displayed on the display interface of the computer are required to be pulled down and turned down, the user blocks the light receiving surface of the photoresistor RL1 of the first control circuit with fingers, and the resistance value of the photoresistor RL1 becomes very large due to no light irradiation of the light receiving surface, the voltage entering the base electrode of the NPN triode Q1 through the adjustable resistor RP1 and the photoresistor RL1 is lower than the 0.7V initial voltage of the NPN triode Q1, the collector electrode of the NPN triode Q1 is cut off, no level output is generated, at this moment, the base electrode of the NPN triode Q2 is conducted by a proper bias voltage obtained from the positive electrode of the 5V power supply G in the mouse through the resistor R1, the collector electrode output low level of the NPN triode Q2 enters the negative power input end of the negative electrode of the relay J1 (the positive power input end of the relay J1 is communicated with the negative electrode of the 5V power supply in the mouse), then, the two control power input ends and the two normally open contact ends of the relay J1 are respectively closed, and the two normally open contact ends of the relay J1 and the positive and negative electrode power input ends of the micro motor speed reducing mechanism M are respectively connected through wires, the two control power input ends of the relay J1 are respectively connected with the 2 feet of the three-terminal integrated adjustable voltage stabilizer U and the other end of the ceramic chip capacitor C1, so that at the moment, the power output by the two normally open contact ends of the relay J1 can enter the positive and negative electrode power input ends of the micro motor speed reducing mechanism M, the motor rotating shaft of the micro motor speed reducing mechanism M rotates anticlockwise after the micro motor speed reducing mechanism M works, and the power output shaft of the micro motor speed reducing mechanism M rotates clockwise under the action of the speed reducing gear mechanism inside the micro motor speed reducing mechanism M, the power output shaft of the micro motor reducing mechanism M drives the electronic switch rotating wheel 71 of the mouse to rotate clockwise (which is equivalent to that a finger of a user dials the dial wheel to the rear side and drives the electronic switch rotating wheel 71 to rotate clockwise), so that the webpage information and the document information displayed on the computer display interface are controlled to be pulled down under the action of related supporting circuits of the electronic switch 7 of the mouse, the user does not need to control the page to be pulled down, after the finger leaves the photoresistor RL1, the resistance value of the photoresistor RL1 is reduced again, the NPN triode Q1 is conducted, the NPN triode Q2 is cut off, the relay J1 is not powered off and is not powered on any more, the micro motor reducing mechanism M is powered off and does not work any more, and then the webpage information and the document information displayed on the computer display interface are not pulled down and turned down any more and are in a static state.
As shown in fig. 1, 2 and 3, a user can adjust the resistance value of the adjustable resistor RP of the speed regulating circuit by fingers, so as to adjust the voltage output by the 2 feet of the three-terminal integrated adjustable voltage regulator U, and further control the voltage input to the micro motor speed reducing mechanism M through the two normally open contact ends of the relay J1 and the relay J2. In the work of the invention, the micro motor speed reducing mechanism M drives the toggle electronic switch rotating wheel 71 to rotate, the page pull-up or pull-down speed is uniform, and the browsing of the webpage content is facilitated; in actual operation, after each person adjusts the resistance value of the adjustable resistor RP of the speed regulating circuit according to the speed requirement of the pull-up or pull-down display interface, the resistance value of the adjustable resistor RP does not need to be adjusted any more under the general condition, and the page is pulled up or pulled down at the speed set by the person, so that the personalized setting requirement is met; if the speed needs to be changed, the resistance value of the adjustable resistor RP is conveniently adjusted by a finger (generally, the operation is not performed after the setting is finished). In this embodiment, the fingers are lightly placed on the upper ends of the two photoresistors, so that the display interface can be pulled down or pulled up without any action force, frequent manual operation of a user is not required, convenience is brought to the user, and dust entering the shell is reduced as much as possible, so that the probability of failure of mouse operation is reduced. Based on the above, the invention has good application prospect.
In fig. 3, the specifications of the chip capacitors C1 and C2 are 0.1 μf and 1 μf, respectively. The adjustable resistance RP specification is 4.7K. The resistance R is 240 omega; the model of the photoresistors RL1 and RL2 is MD45; the adjustable resistors RP1 and RP2 are 1M in specification; the model numbers of NPN triodes Q1 and Q3 are 9014; the model numbers of the NPN triodes Q2 and Q4 are 9013; the relays J1 and J2 are ohm dragon microminiature 5V relays. The resistances of the resistors R1 and R2 are 10K.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is limited to the details of the foregoing exemplary embodiments, and that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. The automatic mouse positioning device comprises a motor speed reducing mechanism, and is characterized by further comprising a speed regulating circuit, a first control circuit and a second control circuit, wherein the speed regulating circuit, the first control circuit and the second control circuit are arranged on a circuit board in the mouse shell; the motor speed reducing mechanism is a direct current motor gear speed reducing device; the speed regulating circuit comprises a ceramic chip capacitor, a three-terminal integrated adjustable voltage regulator, an adjustable resistor and a resistor, wherein the three-terminal integrated adjustable voltage regulator is connected through circuit board wiring, the model of the three-terminal integrated adjustable voltage regulator is LM317, the positive electrode power supply input end of the three-terminal integrated adjustable voltage regulator is connected with one end of the first ceramic chip capacitor, the output end of the three-terminal integrated adjustable voltage regulator is connected with one end of the resistor and one end of the second ceramic chip capacitor, the negative electrode power supply input end of the three-terminal integrated adjustable voltage regulator is connected with one end of the adjustable resistor and the other end of the resistor, and the other end of the first ceramic chip capacitor is connected with the other end of the adjustable resistor and the other end of the second ceramic chip capacitor; the adjusting handle of the adjustable resistor of the speed adjusting circuit is positioned outside the upper end of the first opening from front to back in the middle of the front end of the mouse shell; in the first control circuit, one end of an adjustable resistor is connected with a relay positive electrode power supply input end and one end of a resistor, the other end of the adjustable resistor is connected with one end of a photoresistor, the other end of the photoresistor is connected with a first NPN triode base electrode, a first NPN triode collector electrode is connected with the other end of the resistor, a second NPN triode base electrode is connected, a second NPN triode collector electrode is connected with a relay negative electrode power supply input end, and a first NPN triode emitter electrode and a second NPN triode emitter electrode are connected with the relay negative electrode control power supply input end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910268973.6A CN109871134B (en) | 2019-04-04 | 2019-04-04 | Automatic positioning device for mouse |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910268973.6A CN109871134B (en) | 2019-04-04 | 2019-04-04 | Automatic positioning device for mouse |
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| CN109871134A CN109871134A (en) | 2019-06-11 |
| CN109871134B true CN109871134B (en) | 2024-06-25 |
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| CN201910268973.6A Active CN109871134B (en) | 2019-04-04 | 2019-04-04 | Automatic positioning device for mouse |
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