CN216596202U

CN216596202U - Photoelectric mouse

Info

Publication number: CN216596202U
Application number: CN202220073164.7U
Authority: CN
Inventors: 莫中华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-24
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses an optical mouse, including the gyro wheel, the PCB circuit board in mouse casing and the casing, light sense chip and paster LED lamp are with paster mode encapsulation PCB circuit board back, can dismantle optical module and be equipped with high temperature resistant chip shell and block lens, high temperature resistant chip shell openly central authorities have seted up the mounting groove, block lens installs in the mounting groove, be equipped with trilateral spotlight passageway and four sides light focusing groove on the block lens, high temperature resistant chip shell back is opened has LED lamp hole and chip groove, chip tank bottom portion is opened there is the light inlet, separate between LED lamp hole and the chip groove, the utility model discloses a set up trilateral spotlight passageway on lens and send light with paster LED lamp and concentrate and get up the desktop, rethread four sides light focusing groove gathers condensing lens to the light sense chip, has improved the imaging quality. Through encapsulating paster LED lamp and light sense chip in PCB board back, high temperature chip shell covers both and separates, and paster LED lamp sends light and can reflect back the light sense chip with the influence of minimum.

Description

Photoelectric mouse

Technical Field

The utility model relates to a mouse field especially relates to an optical mouse.

Background

A photoelectric mouse (also called an optical mouse) detects relative movement of the mouse to a surface through a light emitting diode and a photoelectric diode, the optical mouse sold in the market at present mainly comprises a shell and a mainboard arranged in the shell, an LED lamp is arranged above the mainboard, an optical lens which reflects light emitted by an LED emitting head through a desktop or a mouse pad and is received by a photoelectric sensor on the mouse mainboard is arranged below the mainboard, the light emitted by the LED lamp is reflected through a light reflecting inclined plane, then is reflected through a mouse bearing surface such as the mouse pad and the like, and is transmitted to the photoelectric sensor through a light receiving convex surface, a route is copied and is subjected to multiple reflections, so that the light received by the photoelectric sensor is too little, and the problem of insensitive induction is caused.

The CN201822204235.9 chinese utility model discloses an assembly mechanism of a mouse patch lamp and a lens, which comprises a lens, a patch lamp, a photoelectric sensor and a PCB board, wherein the patch lamp and the photoelectric sensor are respectively mounted on the PCB board, the photoelectric sensor is provided with a sensing element, and the patch lamp and the sensing element respectively extend downwards to the lens; the lens is positioned at the lower sides of the patch lamp and the photoelectric sensor, one end of the upper side of the lens is provided with a lamp cap accommodating cavity for accommodating a lamp cap of the patch lamp, and the other end of the upper side of the lens is provided with a sensing element accommodating cavity for accommodating a sensing element; the one end that is corresponding to lamp holder holding chamber of lens downside is equipped with a plurality of light reflection inclined planes, the middle part of lens downside is equipped with a light reflection plane, the lens downside is equipped with a light reception convex surface to the one end in sensing element holding chamber, CN201822204235.9 openly at the PCB plate structure of china makes things convenient for the SMT paster to set up photoelectric sensor openly at the PCB board, with PCB board fretwork, rethread hardware soldering is connected, the process flow is loaded down with trivial details, and the interpolation of hardware makes the cost uprise, then because with photoelectric sensor setting at the PCB board front, there is great space between optical lens and the photoelectric sensor, the condition that the reflection light path is disturbed also appears easily.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the defects in the prior art, the utility model provides an optical mouse, which comprises a roller, a mouse shell and a PCB circuit board in the shell;

the PCB is provided with a detachable optical module, a light sensing chip and a surface mounted LED lamp; light sense chip and paster LED lamp are with paster mode encapsulation PCB circuit board back, can dismantle optical module and be equipped with high temperature resistant chip shell and snap-on lens, last trilateral spotlight passageway and the four sides light focusing groove of being equipped with of snap-on lens, high temperature resistant chip shell central authorities have seted up the mounting groove, the snap-on lens is installed in the mounting groove, high temperature resistant chip shell back is opened has LED lamp hole and chip groove, chip groove bottom portion is opened there is the light inlet hole, the interval between LED lamp hole and the chip groove.

Furthermore, the limiting plate can be inserted into the limiting groove, the PCB circuit board is provided with clamping grooves at the upper end and the lower end of the light sensing chip, guide post holes are formed in the two sides of the clamping grooves, the upper end and the lower end of the high-temperature resistant chip shell are respectively connected with the clamping plates, and guide posts are arranged on the two sides of the clamping plates on the high-temperature resistant chip shell.

According to the photoelectric mouse, the clamping plate is connected with the clamping groove in a clamping mode, the guide pillar corresponds to the guide pillar hole in position, and the guide pillar is inserted into the guide pillar hole.

Further, the front middle part of the PCB circuit board is provided with a roller hole, the PCB circuit board is provided with a left key micro-motion and a right key micro-motion on the upper part of the roller hole, the left side is provided with a grating, the right side is provided with a roller micro-motion, and the lower part is provided with a main control chip.

Further, the mouse shell comprises a bottom shell, a middle shell and a key, the bottom shell is clamped with the middle shell, the PCB is installed between the bottom shell and the middle shell, and the key is installed on the surface of the middle shell.

Furthermore, the middle part of the key is provided with an opening A, the middle part of the middle shell is provided with an opening B, the positions of the roller hole and the opening A and the position of the opening B correspond, and the roller penetrates through the opening A and the opening B to be installed in the roller hole.

The utility model has the advantages that:

the light emitted by the surface mounted LED lamp is concentrated to the desktop by arranging the three-side light gathering channel on the lens, and the reflected light is gathered to the light sensing chip by the four-side light gathering groove, so that the scattering of the light is reduced, and the imaging quality is improved.

Through with paster LED lamp and light sense chip direct package at PCB board back, reduced the use reduce cost of hardware, high temperature chip shell covers both and separates, and paster LED lamp sends light and can reflects back the light sense chip with the influence of minimum, has improved the precision of formation of image.

Through adopting high temperature resistance chip shell, the PCB board behind encapsulation paster LED lamp and the light sense chip can directly carry out the flow welding or the dip-soldering of front part, can not damage paster LED lamp and light sense chip because of high temperature, and processing is more convenient.

Drawings

FIG. 1 is a cross-sectional view of an optical mouse according to an embodiment;

FIG. 2 is an exploded view of an optical mouse according to this embodiment

FIG. 3 is an exploded view of the back side of a PCB board of an optical mouse according to the present embodiment;

fig. 4 is a schematic diagram of a front side structure of a PCB board of the optical mouse according to the embodiment;

FIG. 5 is a schematic diagram of a partial structure of a high-temperature chip housing of the optical mouse according to the embodiment;

fig. 6 is a second schematic view of a partial structure of a high-temperature chip housing of the optical mouse according to the present embodiment;

fig. 7 is a partial structural diagram of a snap-on lens of an optical mouse according to the present embodiment.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Embodiment, an optical mouse as shown in fig. 1 to 7 comprises a roller 1, a mouse shell 2 and a PCB circuit board 3 in the shell;

the center of the PCB circuit board 3 is provided with a roller hole 11, the left side above the roller hole 11 on the front side of the PCB circuit board 3 is connected with a left key micro-motion 36, the right side above the roller hole is connected with a right key micro-motion 37, the left side of the roller hole 11 is connected with a grating 38, the right side of the roller hole is connected with a roller micro-motion 39, the lower side of the roller hole 11 is connected with a main control chip 310, the back of the PCB circuit board 3 below the main control chip 310 is packaged with a light sensing chip 32, the lower side of the light sensing chip 32 is packaged with a patch LED lamp 33, the PCB circuit board 3 is respectively provided with a clamping groove 34 above the light sensing chip 32 and below the patch LED lamp 33, two sides of the clamping groove 34 are respectively provided with a guide pillar hole 35, a high temperature resistant chip shell 4 is arranged above the light sensing chip 32 and on the patch LED lamp 33, the high temperature resistant chip shell 4 is of a rectangular structure, the upper side and the lower side of the back are connected with clamping boards 45, two sides of the clamping boards are respectively connected with guide pillars 46, the center of the back of the high temperature resistant chip shell 4 is provided with an LED lamp hole 42, a chip groove 43 is arranged below the LED lamp hole 42, a light inlet hole 44 is arranged in the center of the chip groove 43, the LED lamp hole 42 and the chip groove 43 are separated, the upper and lower side clamping plates 45 of the high temperature resistant chip shell 4 can be inserted into the clamping groove 34, when the clamping plates 45 are inserted into the clamping groove 34, the chip LED lamp 33 is embedded into the LED lamp hole 42, the light sensing chip 32 is embedded into the chip groove 43, the light sensing chip 32 is separated from the chip LED lamp 33 to prevent light interference, the guide pillar 46 is corresponding to the guide pillar hole 35, the guide pillar 46 is inserted into the guide pillar hole 35 to prevent the high temperature resistant chip shell 4 from moving, the front surface of the high temperature resistant chip shell 4 is provided with an installation groove 41, the installation groove 41 is provided with a clamping lens 5, the clamping lens 5 is provided with a three-surface light-gathering channel 51, a four-surface light-gathering groove 52 is arranged above the three-surface light-gathering channel 51, a light-lens 53 is arranged in the center of the four-surface light-gathering groove 52, the three-surface light-gathering channel 51 is communicated with the LED lamp hole 42, the condenser lens 53 is positioned to correspond to the light entrance hole 44.

The mouse shell 2 comprises a bottom shell 21, a middle shell 22 and a button 23, the bottom shell 21 is clamped with the middle shell 22, the PCB circuit board 3 is installed between the bottom shell 21 and the middle shell 22, the button 23 is installed on the surface of the middle shell 22, an opening A12 is arranged in the middle of the button 23, an opening B13 is arranged in the middle of the middle shell 22, the positions of a roller hole 11 and openings A12 and B13 are corresponding, and the roller 1 penetrates through the opening A12 and the opening B13 to be installed in the roller hole 11.

The above is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an optical mouse, includes gyro wheel (1), mouse casing (2) and PCB circuit board (3) in the casing, its characterized in that: the PCB (3) is provided with a detachable optical module (31), a light sensing chip (32) and a surface mounted LED lamp (33);

light sense chip (32) and paster LED lamp (33) are with paster mode encapsulation PCB circuit board (3) back, can dismantle optical module (31) and be equipped with high temperature resistant chip shell (4) and snap-on lens (5), mounting groove (41) have been seted up to high temperature resistant chip shell (4) front central authorities, snap-on lens (5) are installed in mounting groove (41), be equipped with trilateral spotlight passageway (51) and four sides light-focusing groove (52) on snap-on lens (5), open high temperature resistant chip shell (4) back has LED lamp hole (42) and chip groove (43), open chip groove (43) bottom has into unthreaded hole (44), separate between LED lamp hole (42) and chip groove (43).

2. The optical mouse of claim 1, wherein: the PCB circuit board (3) is provided with clamping grooves (34) at the upper end and the lower end of the light sensing chip (32), guide post holes (35) are formed in the two sides of each clamping groove (34), clamping plates (45) are connected to the upper end and the lower end of the high-temperature resistant chip shell (4) respectively, and guide posts (46) are installed on the two sides of each clamping plate (45) of the high-temperature resistant chip shell (4).

3. The optical mouse of claim 2, wherein: the clamping plate (45) is connected with the clamping groove (34) in a clamping mode, the guide column (46) corresponds to the guide column hole (35), and the guide column (46) is inserted into the guide column hole (35).

4. The optical mouse of claim 1, wherein: the PCB circuit board (3) openly the middle part seted up roller hole (11), PCB circuit board (3) are equipped with left button fine motion (36) and right button fine motion (37) on roller hole (11) upper portion, and the left side is equipped with grating (38), and the right side is equipped with gyro wheel fine motion (39), and the lower part is equipped with main control chip (310).

5. The optical mouse of claim 4, wherein: the mouse shell (2) comprises a bottom shell (21), a middle shell (22) and a key (23), the bottom shell (21) is clamped with the middle shell (22), the PCB (3) is installed between the bottom shell (21) and the middle shell (22), and the key (23) is installed on the surface of the middle shell (22).

6. The optical mouse of claim 5, wherein: the middle of the key (23) is provided with an opening A (12), the middle of the middle shell (22) is provided with an opening B (13), the roller hole (11) corresponds to the positions of the opening A (12) and the opening B (13), and the roller (1) penetrates through the opening A (12) and the opening B (13) to be installed in the roller hole (11).