CN214201910U - Z-axis control component of electric microscope - Google Patents
Z-axis control component of electric microscope Download PDFInfo
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- CN214201910U CN214201910U CN202023084004.2U CN202023084004U CN214201910U CN 214201910 U CN214201910 U CN 214201910U CN 202023084004 U CN202023084004 U CN 202023084004U CN 214201910 U CN214201910 U CN 214201910U
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- circuit board
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Abstract
The utility model discloses a Z-axis control part of an electric microscope, including a left hand wheel, a right hand wheel, a hand wheel control part, a control circuit board, a Z-axis motor lifting part and a display screen, the Z-axis motor lifting part is connected with the display screen, the display screen is installed at the front end of a microscope body, a left hand wheel is installed at the left corresponding position of the microscope body, a right hand wheel is installed at the right corresponding position of the microscope body, the hand wheel control part comprises a left hand wheel control part for setting a left hand wheel gear and a right hand wheel control part for setting a right hand wheel gear, the left hand wheel control part and the right hand wheel control part are respectively connected with the control circuit board, and the left hand wheel control part and the right hand wheel control part are respectively provided with three gears; the advantage can keep off the position to left hand wheel control unit and right hand wheel control unit's three fender position and superpose the combination and form new fender position, has more regulation fender position, and keeps off position adjustment operation and look over all comparatively convenient.
Description
Technical Field
The utility model relates to a Z axle control unit especially relates to an electric microscope's Z axle control unit.
Background
When the electric microscope is used for observing a sample, in order to ensure the observation definition, different gears are selected according to the length of the depth of field (different multiplying powers of the objective lenses and different depths of field) to adjust the height of the sample on the objective table, the high gear is selected according to the length of the depth of field (low power), and the low gear is selected according to the length of the depth of field (high power) (high requirement on precision). Currently, the stage height is adjusted by setting a Z-axis control unit to set a gear in the electric microscope, so that a sample placed on the stage and an objective lens are matched in position in the vertical direction.
The Z-axis control part of the existing electric microscope generally comprises a left hand wheel, a right hand wheel, a hand wheel control part and a control circuit board, z axle motor lifting unit and display screen, control circuit board is connected with Z axle motor lifting unit and display screen respectively, hand wheel control unit includes that the button keeps off position input circuit board, the photoelectric read head, code wheel and connecting rod, the button keeps off position input circuit board and is connected with control circuit board, left hand wheel is located microscope mirror body main part left side and installs the left end at the connecting rod, right hand wheel is located microscope mirror body main part right side relevant position and installs the right-hand member at the connecting rod, the code wheel is installed on the connecting rod and is located left hand wheel or right hand wheel department, the photoelectric read head corresponds to be installed on left hand wheel or right hand wheel, the photoelectric read head is used for the rotation volume of response code wheel, the photoelectric read head is connected with control circuit board, the display screen independently is located outside the microscope mirror body main part. When the height of the object stage is adjusted, a gear is set through a key, a gear signal is transmitted to the control circuit board through a gear circuit board, then an observer rotates a left hand wheel or a right hand wheel by one hand or two hands to drive the coding disc to rotate, the photoelectric reading head detects the rotation amount of the coding disc in real time and transmits the rotation amount to the control circuit board, the control circuit board generates a driving signal based on the received rotation amount and the gear signal to drive the Z-axis motor lifting component to drive the object stage to move upwards or downwards to the required height, and the gear signal and the height information of the object stage are displayed in the display screen in real time.
Among the above-mentioned electric microscope's Z axle control unit, because left hand wheel and right hand wheel are connected on same connecting rod, so both are synchronous pivoted, and both can only rotate toward a direction simultaneously, rotate the Z axle lift distance that 1 pulse corresponds with the code wheel and regard as a fender position, the Z axle lift distance that 1 pulse corresponds is rotated to the code wheel can only set up two to three, this Z axle control unit can set up two to three fender positions promptly, and the rotation direction of every fender position is unanimous, so that the fender position that Z axle control unit can adjust is less, and when frequently switching objective, need operate left hand wheel or right hand wheel repeatedly and keep off the position and switch, it is very inconvenient to operate, keep off the position in addition and show on the display screen, and the display screen is independent of outside the microscope mirror body main part, look over also very inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problem that a Z axle control unit who has more regulation fender position, and keep off position adjustment operation and look over all comparatively convenient electric microscope is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a Z-axis control component of an electric microscope comprises a left hand wheel, a right hand wheel, a hand wheel control component, a control circuit board, a Z-axis motor lifting component and a display screen, the Z-axis motor lifting component is connected with the display screen, the left wheel is arranged at the corresponding position on the left side of the microscope body, the right hand wheel is arranged at the corresponding position on the right side of the microscope body main body, the display screen is arranged at the front end of the microscope body main body, the hand wheel control part comprises a left hand wheel control part for setting the left hand wheel gear and a right hand wheel control part for setting the right hand wheel gear, the left hand wheel control part and the right hand wheel control part are respectively connected with the control circuit board, the left hand wheel control part and the right hand wheel control part are respectively provided with three gears.
The left hand wheel control component comprises a left key type gear input circuit board, a left photoelectric reading head, a left coding disc, a left connecting rod and a left limiting ring, the left key type gear input circuit board is installed on the left hand wheel, the left connecting rod sequentially penetrates through the left hand wheel and the left limiting ring, the left hand wheel is fixedly connected with the left connecting rod, the left limiting ring is located on the right side of the left hand wheel and used for limiting radial movement of the left connecting rod, the left coding disc is sleeved at the left end of the left connecting rod, the left photoelectric reading head is installed on the left hand wheel and used for sensing the rotation quantity of the left coding disc, and the left photoelectric reading head is connected with the control circuit board; right hand wheel control unit include right button fender position input circuit board, right photoelectric read head, right coding disc, right connecting rod and right spacing collar, right button fender position input circuit board and install right hand wheel on, right connecting rod pass in proper order right hand wheel with right spacing collar, right hand wheel with right connecting rod fixed connection, right spacing collar be located the left side of right hand wheel, be used for the restriction right connecting rod radial float, right coding disc cover establish the right-hand member of right connecting rod, right photoelectric read head install right hand wheel on, right photoelectric read head be used for the response the rotation volume of right coding disc, right photoelectric read head with control circuit board connect.
The left encoding disk and the right encoding disk are respectively provided with 2000 pulses in a circle, in three gears arranged in the left wheel control component, one gear means that the lifting distance of a Z axis corresponding to 1 pulse when the left encoding disk rotates is 1nm, the lifting distance of the Z axis corresponding to 1 pulse when the left encoding disk rotates is 50nm, the lifting distance of the Z axis corresponding to 1 pulse when the left encoding disk rotates is 400nm, in three gears in the right wheel control component, one gear means that the lifting distance of the Z axis corresponding to 1 pulse when the right encoding disk rotates is 1nm, the lifting distance of the Z axis corresponding to 1 pulse when the right encoding disk rotates is 50nm, and the lifting distance of the Z axis corresponding to 1 pulse when the right encoding disk rotates is 400 nm.
The Z-axis motor lifting component comprises a screw rod motor with a backlash nut, a limiting photoelectric read head, a limiting separation blade for limiting lifting and lowering to limit by matching with the limiting photoelectric read head, a motor base, a backlash nut base and a lifting guide rail for mounting an objective table, wherein the screw rod motor is fixed on the motor base, the motor base is fixed on a microscope body main body, the backlash nut with the screw rod motor is fixed on the backlash nut base, the backlash nut base is fixed on the lifting guide rail, the limiting photoelectric read head is fixed on the microscope body main body, the limiting separation blade is fixed on the backlash nut base, the screw rod motor is connected with the control circuit board, the limiting photoelectric read head is connected with the control circuit board, when the lifting guide rail moves downwards until the limiting separation blade is induced by the limiting photoelectric read head, the limiting photoelectric reading head sends a signal to the control circuit board, and the control circuit board controls the screw rod motor to stop rotating at the moment.
Compared with the prior art, the utility model has the advantages that the left hand wheel control component for setting the left hand wheel gear and the right hand wheel control component for setting the right hand wheel gear form the hand wheel control component, the left hand wheel control component and the right hand wheel control component are respectively connected with the control circuit board, the left hand wheel control component and the right hand wheel control component are respectively provided with three gears, thereby the left key-press type gear input circuit board on the left hand wheel and the right key-press type gear input circuit board on the right hand wheel can be independently operated to adjust the gears, because the left hand wheel and the right hand wheel are respectively provided with two rotating directions, the rotating directions of the left hand wheel control component and the right hand wheel control component and the Z-axis lifting distance corresponding to the rotating amounts of the left hand wheel control component and the right hand wheel control component can be overlapped, a new gear is formed by overlapping and combining the three gears of the left hand wheel control component and the right hand wheel control component, so that the Z-axis control component has more adjusting gears, and the gear adjustment operation is convenient, and in addition, the display screen is arranged at the front end of the microscope body main body, so that the viewing is also convenient.
Drawings
Fig. 1 is a schematic view illustrating an installation of a Z-axis control unit of an electric microscope according to the present invention;
FIG. 2 is a schematic view of the connection structure of the Z-axis control component of the electric microscope of the present invention
Fig. 3 is a cross-sectional view of a hand wheel control unit of a Z-axis control unit of an electric microscope according to the present invention;
fig. 4 is a cross-sectional view of a Z-axis motor lifting unit of the Z-axis control unit of the electric microscope of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example (b): as shown in fig. 1 and fig. 2, a Z-axis control component of an electric microscope comprises a left hand wheel 1, a right hand wheel 2 and a hand wheel control component, control circuit board 3, Z axle motor lifting unit 4 and display screen 5 are connected, display screen 5 is installed at the front end of microscope mirror body main part 7, left hand wheel 1 is installed at the left side relevant position of microscope mirror body main part 7 with the screw, right hand wheel 2 is installed at the right side relevant position of microscope mirror body main part 7 with the screw, hand wheel control unit is including the left hand wheel control unit 8 that is used for setting up 1 fender position of left hand wheel and the right hand wheel control unit 9 that is used for setting up 2 fender positions of right hand wheel, left hand wheel control unit 8 and right hand wheel control unit 9 are connected with control circuit board 3 respectively, left hand wheel control unit 8 and right hand wheel control unit 9 have three fender positions respectively.
As shown in fig. 3, in this embodiment, the left-hand wheel control component 8 includes a left key-type gear input circuit board 10, a left photoelectric reading head 11, a left code disc 12, a left connecting rod 13 and a left limit ring 14, the left key-type gear input circuit board 10 is mounted on the left hand wheel 1 through screws, the left connecting rod 13 sequentially passes through the left hand wheel 1 and the left limit ring 14, the left hand wheel 1 is fixedly connected with the left connecting rod 13, the left limit ring 14 is located on the right side of the left hand wheel 1 and is used for limiting radial play of the left connecting rod 13, the left code disc 12 is sleeved at the left end of the left connecting rod 13, the left photoelectric reading head 11 is mounted on the left hand wheel 1 through screws, the left photoelectric reading head 11 is used for sensing rotation of the left code disc 12, and the left photoelectric reading head 11 is connected with the control circuit board 3; the right hand wheel control part 9 comprises a right key type gear input circuit board 15, a right photoelectric reading head 16, a right coding disc 17, a right connecting rod 18 and a right limiting ring 19, the right key type gear input circuit board 15 is installed on the right hand wheel 2 through screws, the right connecting rod 18 sequentially penetrates through the right hand wheel 2 and the right limiting ring 19, the right hand wheel 2 is fixedly connected with the right connecting rod 18, the right limiting ring 19 is located on the left side of the right hand wheel 2 and used for limiting radial movement of the right connecting rod 18, the right coding disc 17 is sleeved at the right end of the right connecting rod 18, the right photoelectric reading head 16 is installed on the right hand wheel 2 through screws, the right photoelectric reading head 16 is used for sensing the rotation amount of the right coding disc 17, and the right photoelectric reading head 16 is connected with the control circuit board 3.
In this embodiment, one circle of the left code wheel 12 and the right code wheel 17 has 2000 pulses, among three gears set in the left wheel control unit 8, the first gear indicates that the elevation distance of the Z axis corresponding to 1 pulse by rotation of the left code wheel 12 is 1nm, the second gear indicates that the elevation distance of the Z axis corresponding to 1 pulse by rotation of the left code wheel 12 is 50nm, the third gear indicates that the elevation distance of the Z axis corresponding to 1 pulse by rotation of the left code wheel 12 is 400nm, and in the three gears in the right hand wheel control unit 9, the first gear indicates that the elevation distance of the Z axis corresponding to 1 pulse by rotation of the right code wheel 17 is 1nm, the second gear indicates that the elevation distance of the Z axis corresponding to 1 pulse by rotation of the right code wheel 17 is 50nm, and the third gear indicates that the elevation distance of the Z axis corresponding to 1 pulse by rotation of the right code wheel 17 is 400 nm. As shown in fig. 4, in this embodiment, the Z-axis motor lifting component 4 includes a lead screw motor 21 with an anti-backlash nut 20, a limit photoelectric reading head 22, a limit stop 23 for cooperating with the limit photoelectric reading head 22 to limit the lifting and lowering of the limit stop, a motor base 24, an anti-backlash nut base 25, and a lifting guide rail 26 for mounting the stage, the lead screw motor 21 is fixed on the motor base 24 by screws, the motor base 24 is fixed on the microscope body main body 7, the anti-backlash nut 20 of the lead screw motor 21 is fixed on the anti-backlash nut base 25 by screws, the anti-backlash nut base 25 is fixed on the lifting guide rail 26 by screws, the limit photoelectric reading head 22 is fixed on the microscope body main body 7 by screws, the limit stop 23 is fixed on the anti-backlash nut base 25 by screws, the lead screw motor 21 is connected with the control circuit board 3, the limit photoelectric reading head 22 is connected with the control circuit board 3, when the lifting guide rail 26 moves downwards until the limit stop 23 is sensed by the limit photoelectric reading head 22, the limit photoelectric reading head 22 sends a signal to the control circuit board 3, and at this time, the control circuit board 3 controls the lead screw motor 21 to stop rotating.
Claims (4)
1. A Z-axis control component of an electric microscope comprises a left hand wheel, a right hand wheel, a hand wheel control component, a control circuit board, a Z-axis motor lifting component and a display screen, the Z-axis motor lifting component is connected with the display screen, the left hand wheel is arranged at the corresponding position on the left side of the microscope body, the right hand wheel is arranged at the corresponding position on the right side of the microscope body, it is characterized in that the display screen is arranged at the front end of the microscope body main body, the hand wheel control component comprises a left hand wheel control component for setting the left hand wheel gear and a right hand wheel control component for setting the right hand wheel gear, the left hand wheel control part and the right hand wheel control part are respectively connected with the control circuit board, the left hand wheel control part and the right hand wheel control part are respectively provided with three gears.
2. The Z-axis control component of an electric microscope as claimed in claim 1, wherein the left wheel control component comprises a left key type gear input circuit board, a left photoelectric reading head, a left code disc, a left connecting rod and a left spacing collar, the left key type gear input circuit board is arranged on the left hand wheel, the left connecting rod sequentially passes through the left hand wheel and the left limiting ring, the left hand wheel is fixedly connected with the left connecting rod, the left limit ring is positioned on the right side of the left hand wheel, used for limiting the radial movement of the left connecting rod, the left coding disc is sleeved at the left end of the left connecting rod, the left photoelectric reading head is arranged on the left hand wheel and used for sensing the rotation quantity of the left coding disc and is connected with the control circuit board; right hand wheel control unit include right button fender position input circuit board, right photoelectric read head, right coding disc, right connecting rod and right spacing collar, right button fender position input circuit board and install right hand wheel on, right connecting rod pass in proper order right hand wheel with right spacing collar, right hand wheel with right connecting rod fixed connection, right spacing collar be located the left side of right hand wheel, be used for the restriction right connecting rod radial float, right coding disc cover establish the right-hand member of right connecting rod, right photoelectric read head install right hand wheel on, right photoelectric read head be used for the response the rotation volume of right coding disc, right photoelectric read head with control circuit board connect.
3. The Z-axis control unit for an electric microscope according to claim 2, wherein each of the left code wheel and the right code wheel has 2000 pulses per turn, among three gears arranged in the left wheel control component, the first gear means that the lifting distance of the Z axis corresponding to 1 pulse rotated by the left code disc is 1nm, the second gear means that the lifting distance of the Z axis corresponding to 1 pulse rotated by the left code disc is 50nm, the third gear means that the lifting distance of the Z axis corresponding to 1 pulse rotated by the left code disc is 400nm, in three gears in the right hand wheel control part, the first gear indicates that the lifting distance of the Z axis corresponding to 1 pulse rotated by the right code disc is 1nm, the second gear indicates that the lifting distance of the Z axis corresponding to 1 pulse rotated by the right code disc is 50nm, and the third gear indicates that the lifting distance of the Z axis corresponding to 1 pulse rotated by the right code disc is 400 nm.
4. The Z-axis control component of an electric microscope as claimed in claim 1, wherein the Z-axis motor lifting component comprises a lead screw motor with an anti-backlash nut, a limit photoelectric reading head, a limit baffle for cooperating with the limit photoelectric reading head to limit the lifting and lowering of the limit, a motor base, an anti-backlash nut base and a lifting guide rail for mounting the objective table, the lead screw motor is fixed on the motor base, the motor base is fixed on the microscope body, the anti-backlash nut with the lead screw motor is fixed on the anti-backlash nut base, the anti-backlash nut base is fixed on the lifting guide rail, the limit photoelectric reading head is fixed on the microscope body, the limit baffle is fixed on the anti-backlash nut base, and the lead screw motor is connected with the control circuit board, the limit photoelectric reading head is connected with the control circuit board, when the lifting guide rail moves downwards until the limit separation blade is sensed by the limit photoelectric reading head, the limit photoelectric reading head sends a signal to the control circuit board, and the control circuit board controls the screw rod motor to stop rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023084004.2U CN214201910U (en) | 2020-12-18 | 2020-12-18 | Z-axis control component of electric microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023084004.2U CN214201910U (en) | 2020-12-18 | 2020-12-18 | Z-axis control component of electric microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201910U true CN214201910U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023084004.2U Active CN214201910U (en) | 2020-12-18 | 2020-12-18 | Z-axis control component of electric microscope |
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| Country | Link |
|---|---|
| CN (1) | CN214201910U (en) |
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2020
- 2020-12-18 CN CN202023084004.2U patent/CN214201910U/en active Active
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