CN113002133B - Photovoltaic solar wafer half tone adjustment structure - Google Patents
Photovoltaic solar wafer half tone adjustment structure Download PDFInfo
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- CN113002133B CN113002133B CN202110246687.7A CN202110246687A CN113002133B CN 113002133 B CN113002133 B CN 113002133B CN 202110246687 A CN202110246687 A CN 202110246687A CN 113002133 B CN113002133 B CN 113002133B
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- 238000007650 screen-printing Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000000428 dust Substances 0.000 claims description 32
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000035945 sensitivity Effects 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 10
- 238000000889 atomisation Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000008236 heating water Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000005247 gettering Methods 0.000 claims 2
- 238000013461 design Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/36—Screens, Frames; Holders therefor flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67248—Temperature monitoring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention provides a screen adjusting structure of a photovoltaic solar cell, which comprises an x-direction adjusting module, a y-direction adjusting module and a theta-direction adjusting module, wherein the y-direction adjusting module is connected with the x-direction adjusting module in a sliding manner, the theta-direction adjusting module comprises a screen frame mounting plate, the screen frame mounting plate is rotatably connected to the y-direction adjusting module through a rotating node, an angle adjusting mechanism is arranged on the y-direction adjusting module and used for driving the screen frame mounting plate to rotate, and the theta direction is the rotating direction of the screen frame mounting plate. Therefore, the invention can solve the technical problems that the adjusting mode of the screen printing plate in the existing adjusting device is limited, most adjusting devices can only move the screen printing plate in all directions so as to adjust the placing position of the screen printing plate, and the placing position and the placing posture of the screen printing plate can not be adjusted at the same time, so that the screen printing plate can not be completely adjusted in place.
Description
Technical Field
The invention relates to the technical field of screen printing, in particular to a screen adjusting structure of a photovoltaic solar cell.
Background
The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process.
The position of a screen printing plate needs to be adjusted before printing of a solar cell piece screen printing plate, so that the screen printing plate is more accurate, the adjusting mode of the screen printing plate in the existing adjusting device is limited, most adjusting devices can only move the screen printing plate in all directions to adjust the placing position of the screen printing plate, the placing position and the placing posture of the screen printing plate cannot be adjusted at the same time, and therefore the screen printing plate cannot be completely adjusted in place.
Disclosure of Invention
The invention provides a screen adjusting structure for a photovoltaic solar cell, which is used for solving the technical problems that the adjusting mode of a screen in the conventional adjusting device is limited, most adjusting devices can only move the screen in all directions so as to adjust the placing position of the screen, and the placing position and the placing posture of the screen cannot be adjusted at the same time, so that the screen cannot be completely adjusted in place.
In order to solve the technical problem, the invention discloses a screen adjusting structure for a photovoltaic solar cell, which comprises an x-direction adjusting module, a y-direction adjusting module and a theta-direction adjusting module, wherein the y-direction adjusting module is connected with the x-direction adjusting module in a sliding manner, the theta-direction adjusting module comprises a screen frame mounting plate, the screen frame mounting plate is rotationally connected to the y-direction adjusting module through a rotating node, an angle adjusting mechanism is arranged on the y-direction adjusting module and used for driving the screen frame mounting plate to rotate, and the theta direction is the rotating direction of the screen frame mounting plate.
Preferably, the y-direction adjusting module comprises a first platform and a second platform, the second platform is provided with two symmetrically arranged first adjusting slide rails, the first platform is connected on the second platform in a sliding way through the first adjusting slide rail, the second platform is provided with a first screw rod supporting seat A and a first screw rod supporting seat B, a first lead screw is arranged between the first lead screw supporting seat A and the first lead screw supporting seat B, a first lead screw nut is sleeved on the first lead screw, the first lead screw nut is in threaded connection with the first lead screw, the second platform is provided with a first driving motor, the output shaft of the first driving motor is connected with the first lead screw through a first coupler, a y-direction driving block is arranged on the first lead screw nut, the y-direction driving block is connected with the first platform and used for driving the first platform to slide along the first adjusting slide rail;
the theta direction adjustment module is connected to the first platform.
Preferably, the x-direction adjusting module comprises a third platform, two symmetrically arranged second adjusting slide rails are arranged on the third platform, the second platform is connected on the third platform in a sliding way through the second adjusting slide rail, a second lead screw supporting seat A and a second lead screw supporting seat B are arranged on the third platform, a second lead screw is arranged between the second lead screw supporting seat A and the second lead screw supporting seat B, a second lead screw nut is sleeved on the second lead screw, the second lead screw nut is in threaded connection with the second lead screw, a second driving motor is arranged on the third platform, the output shaft of the second driving motor is connected with the second lead screw through a second coupler, the second lead screw nut is provided with an x-direction driving block, and a mounting hole groove is formed in the second platform, and one end, far away from the second lead screw nut, of the x-direction driving block is connected into the mounting hole groove.
Preferably, the guide directions of the first adjusting slide rail and the second adjusting slide rail are perpendicular to each other, and the output shafts of the first driving motor and the second driving motor are perpendicular to each other.
Preferably, the angle adjusting mechanism comprises four arc-shaped guide rails which are uniformly arranged along the circumference at intervals, the arc-shaped guide rails are arranged on the y-direction adjusting module, the screen frame mounting plate is slidably mounted on the arc-shaped guide rails, the screen frame mounting plate is provided with a grating ruler, the grating ruler and the arc-shaped guide rails are coaxially mounted, the grating ruler is used for acquiring the arc length of the screen frame mounting plate sliding along the arc-shaped guide rails, the y-direction adjusting module is provided with an angle adjusting driving mechanism, the angle adjusting driving mechanism is used for driving the screen frame mounting plate to slide along the arc-shaped guide rails, the angle adjusting driving mechanism comprises a linear motor, the linear motor comprises a stator and a rotor, the stator is fixedly connected with the y-direction adjusting module, the rotor is connected with a floating block through a cross block, and the working end of the floating block is connected with the screen frame mounting plate through a hinge shaft, and the hinge point is the rotation node.
Preferably, the value range of θ of the angle adjusting mechanism is from-5 ° to +5 °, wherein the clockwise direction is positive, and the counterclockwise direction is negative.
Preferably, the foreign matter absorbing and removing device is arranged on the side wall of the screen frame mounting plate and comprises an adjusting guide rail, the adjusting guide rail is detachably connected to the side wall of the screen frame mounting plate through a nut, the adjusting guide rail is of a convex structure, the height of the adjusting guide rail is adjustable, the adjusting guide rail is slidably connected with an installing slide block, the installing slide block is of a concave structure, an installing slide block driving motor is arranged on the installing slide block and used for driving the installing slide block to slide, a wiping rotating shaft is rotatably connected to the installing slide block, a wiping rotating shaft driving part is arranged on the wiping rotating shaft and used for driving the wiping rotating shaft to rotate, and a wiping dust collecting roller is sleeved on the wiping rotating shaft;
the cleaning dust absorption roller comprises a variable cavity and a plurality of cavity driving pieces, the variable cavity is connected with the cleaning rotating shaft through the cavity driving pieces, the variable cavity is made of elastic materials, a plurality of dust storage rubber cavities are arranged in the variable cavity, the dust storage rubber cavities correspond to the cavity driving pieces one by one and are arranged in an annular mode, a dust absorption opening is formed in one end, away from the axis of the cleaning rotating shaft, of each dust storage rubber cavity, and the cavity driving pieces comprise arc-shaped rubber heads and driving bodies;
the drive main part includes the drive shell, be equipped with compression worm wheel and compression worm in the drive shell, the compression worm wheel with compression worm intermeshing, the last key joint of compression worm wheel has first threaded rod, first threaded rod working end cover is equipped with the second threaded rod, first threaded rod with second threaded rod threaded connection, the second threaded rod with drive shell inner wall sliding connection, the second threaded rod is located the outer one end fixedly connected with of drive shell arc rubber head, arc rubber head with variable cavity fixed connection.
Preferably, the method further comprises the following steps:
the temperature and humidity adjusting device is arranged on the theta direction adjusting module and used for adjusting the temperature and humidity of the screen printing environment of the photovoltaic solar cell, the temperature and humidity adjusting device comprises a heating unit, an atomizer temperature and humidity monitoring system and a fault monitoring system, the heating unit is used for heating water and transmitting the water to the atomizer, the atomizer is used for atomizing the water heated by the heating unit and discharging the water into the air, and the temperature and humidity monitoring system is electrically connected with the heating unit, the atomizer and the fault monitoring system;
the fault monitoring system is used for detecting the fault condition of the temperature and humidity adjusting device, and comprises:
the air flow rate sensor is arranged on the temperature and humidity adjusting device and used for detecting the air flow rate of the printing environment of the photovoltaic solar cell screen printing plate;
the first temperature sensor is arranged at the water inlet of the heating unit and used for detecting the temperature at the water inlet of the heating unit;
the second temperature sensor is arranged at the water outlet of the heating unit and used for detecting the temperature at the water outlet of the heating unit;
the humidity sensor is arranged on the temperature and humidity adjusting device and used for detecting the actual environment humidity;
the flow sensor is arranged on the atomizer and used for detecting the actual atomization amount of the atomizer;
the third temperature sensor is arranged on the temperature and humidity adjusting device and used for detecting the actual environment temperature;
the controller, the alarm, the controller with air flow rate sensor, first temperature sensor, second temperature sensor humidity transducer, flow sensor, third temperature sensor and the alarm electricity is connected, the controller is based on air flow rate sensor, first temperature sensor, second temperature sensor, humidity transducer, flow sensor and third temperature sensor control the alarm is reported to the police, includes following step:
the method comprises the following steps: based on the air flow velocity sensor and a formula (1), calculating a temperature and humidity coefficient of the temperature and humidity adjusting device:
wherein,
is a temperature-humidity coefficient of the temperature-humidity adjustment device, wherein ℉ is a moisture-deposition coefficient of the heating unit, U is a heat transfer coefficient of the heating unit, and ΔstIn order to achieve the atomization efficiency of the atomizer,
is the thermal conductivity of the heating unit, AiIs the cross-sectional area of the water inlet of the heating unit, AoIs the sectional area of the water outlet of the heating unit,
as a detected value of the air flow rate sensor,
presetting air flow rate for the screen printing environment of the photovoltaic solar cell;
step two: calculating an actual sensitivity coefficient of the temperature and humidity adjusting device based on a temperature and humidity coefficient of the temperature and humidity adjusting device, the first temperature sensor, the second temperature sensor, the humidity sensor, the flow sensor and the third temperature sensor:
wherein，δstIs the actual sensitivity coefficient, T, of the temperature and humidity adjustment deviceiIs a value detected by the first temperature sensor, ToIs a value detected by the second temperature sensor, TεIs the preset water temperature of the heating unit, e is a natural number and takes a value of 2.72, beta is the equivalence ratio of water,
is the temperature and humidity coefficient, log, of the temperature and humidity adjusting device2Is logarithmic with base 2, VstIs a detected value of the flow sensor, VmFor a predetermined atomization amount, h, of the atomizerstAs a value detected by the humidity sensor, TstH is the preset environment humidity, and T is the preset environment temperature;
step three: the controller compares the actual sensitivity coefficient of the temperature and humidity adjusting device with the preset sensitivity coefficient of the temperature and humidity adjusting device, and if the actual sensitivity coefficient of the temperature and humidity adjusting device is smaller than the preset sensitivity coefficient of the temperature and humidity adjusting device, the alarm gives an alarm.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic diagram of the positions of the second drive motor and the first drive motor of the present invention.
Fig. 4 is a schematic view of the structure of the arc-shaped guide rail of the invention.
Fig. 5 is a schematic structural diagram of the θ direction adjusting module according to the present invention.
FIG. 6 is a schematic diagram of a y-direction adjustment module according to the present invention.
FIG. 7 is a schematic diagram of an x-direction adjustment module according to the present invention.
FIG. 8 is a schematic view showing the installation of the foreign matter removing device of the present invention.
Fig. 9 is a schematic view of the structure of the adjusting guide rail of the invention.
FIG. 10 is a schematic view of the structure of the wiping roller of the present invention.
FIG. 11 is a schematic view of the driving body structure of the present invention.
In the figure: 1. an x-direction adjustment module; 100. a second platform; 101. mounting a hole groove; 102. a third platform; 1020. a second adjusting slide rail; 1021. a second lead screw supporting seat A; 1022. a second lead screw supporting seat B; 1023. a second lead screw; 1024. a second feed screw nut; 1025. a second coupling; 1026. an x-direction drive block; 103. a second drive motor; 2. a y-direction adjustment module; 200. a first platform; 201. a first adjusting slide rail; 202. a y-direction drive block; 203. a first drive motor; 204. a first lead screw supporting seat A; 205. a first lead screw supporting seat B; 206. a first lead screw; 207. a first lead screw nut; 208. a first coupling; 3. a theta direction adjusting module; 30. a hinge axis; 31. an arc-shaped guide rail; 32. a slider; 33. a linear motor; 34. a grating scale; 35. a screen frame mounting plate; 4. a cross block; 5. a nut; 6. a foreign matter suction device; 600. adjusting the guide rail; 601. installing a sliding block; 602. wiping the rotating shaft; 603. wiping the dust absorption roller; 6030. a variable cavity; 6031. a dust storage rubber cavity; 6032. a cavity driving member; 6033. a dust suction port; 6034. an arc-shaped rubber head; 604. a drive body; 6040. a drive housing; 6041. compressing the worm gear; 6042. compressing the worm; 6043. a first threaded rod; 6044. a second threaded rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1
The embodiment of the invention provides a screen adjusting structure for a photovoltaic solar cell, as shown in fig. 1-11, the screen adjusting structure comprises an x-direction adjusting module 1, a y-direction adjusting module 2 and a theta-direction adjusting module 3, the y-direction adjusting module 2 is connected with the x-direction adjusting module 1 in a sliding manner, the theta-direction adjusting module 3 comprises a screen frame mounting plate 35, the screen frame mounting plate 35 is connected to the y-direction adjusting module 2 in a rotating manner through a rotating node, an angle adjusting mechanism is arranged on the y-direction adjusting module 2 and used for driving the screen frame mounting plate 35 to rotate, and the theta direction is the rotating direction of the screen frame mounting plate 35.
The beneficial effects of the above technical scheme are: firstly, the photovoltaic solar cell screen printing plate is installed on the screen frame installation plate 35, the photovoltaic solar cell screen printing plate is visually positioned before printing to give the angle deviation delta theta of the photovoltaic solar cell screen printing plate and the deviation delta X and delta Y of the central point X and Y directions, the photovoltaic solar cell screen printing plate adjustment structure is adjusted to corresponding coordinates according to the deviation value, then, the alignment printing is carried out, the position of the photovoltaic solar cell screen printing plate is adjusted through the X-direction adjustment module 1 and the Y-direction adjustment module 2 in the alignment process, then, the screen frame installation plate 35 is driven to rotate through the angle adjustment mechanism of the theta-direction adjustment module 3, the screen frame installation plate 35 rotates to enable the posture of the solar cell screen printing plate to be adjusted, and the design of the X-direction adjustment module 1, the Y-direction adjustment module 2 and the theta-direction adjustment module 3 solves the problem that the screen printing plate in the existing adjustment device is adjusted in the prior art The adjusting mode of the screen printing machine is limited, most adjusting devices can only move the screen printing machine in all directions to adjust the placing position of the screen printing machine, and the placing position and the placing posture of the screen printing machine cannot be adjusted at the same time, so that the screen printing machine cannot be completely adjusted in place.
Example 2
On the basis of the embodiment 1, the y-direction adjusting module 2 includes a first platform 200 and a second platform 100, the second platform 100 is provided with two first adjusting slide rails 201 which are symmetrically arranged, the first platform 200 is slidably connected to the second platform 100 through the first adjusting slide rails 201, the second platform 100 is provided with a first lead screw support seat a204 and a first lead screw support seat B205, a first lead screw 206 is arranged between the first lead screw support seat a204 and the first lead screw support seat B205, the first lead screw 206 is sleeved with a first lead screw nut 207, the first lead screw nut 207 is in threaded connection with the first lead screw 206, the second platform 100 is provided with a first driving motor 203, an output shaft of the first driving motor 203 is connected with the first lead screw 206 through a first coupler 208, the first lead screw nut 207 is provided with a y-direction driving block 202, the y-direction driving block 202 is connected to the first platform 200, and is configured to drive the first platform 200 to slide along the first adjusting slide rail 201;
the θ direction adjusting module 3 is connected to the first stage 200;
the x-direction adjustment module 1 includes a third platform 102, two second adjustment slide rails 1020 symmetrically arranged are disposed on the third platform 102, the second platform 100 is slidably connected to the third platform 102 through the second adjustment slide rails 1020, a second lead screw support seat a1021 and a second lead screw support seat B1022 are disposed on the third platform 102, a second lead screw 1023 is disposed between the second lead screw support seat a1021 and the second lead screw support seat B1022, a second lead screw nut 1024 is sleeved on the second lead screw 1023, the second lead screw nut 1024 is in threaded connection with the second lead screw 1023, a second driving motor 1023 103 is disposed on the third platform 102, an output shaft of the second driving motor 103 is connected with the second lead screw through a second coupling 1025, an x-direction driving block 1026 is disposed on the second lead screw nut, and a mounting hole slot 101 is disposed on the second platform 100, one end of the x-direction driving block 1026, which is far away from the second lead screw nut 1024, is connected in the mounting hole slot 101;
the guiding directions of the first adjusting slide rail 201 and the second adjusting slide rail 1020 are perpendicular to each other, and the output shaft directions of the first driving motor 203 and the second driving motor 103 are perpendicular to each other.
Preferably, the first driving motor 203 and the second driving motor 103 are both servo motors.
The working principle of the technical scheme is as follows: when the y-direction adjustment is performed on the photovoltaic solar cell screen, the first driving motor 203 rotates to drive the first lead screw 206 to rotate under the action of the first coupler 208, the first lead screw 206 rotates to drive the first lead screw nut 207 to move along the first lead screw 206 (the moving direction is the y-direction) under the action of the threads, the first lead screw nut 207 moves to drive the y-direction driving block 202 to move, and the y-direction driving block 202 moves to drive the first platform 200 to move, so that the first platform 200 slides along the first adjusting slide rail 201, and the y-direction adjustment of the screen frame mounting plate 35 is achieved;
when the photovoltaic solar cell screen is adjusted in the x direction, the second driving motor 103 rotates to drive the second lead screw 1023 to rotate under the action of the second coupling 1025, the second lead screw 1023 rotates to drive the second lead screw nut 1024 to move along the second lead screw 1023 under the action of the threads (the moving direction is the x direction), the second lead screw nut 1024 moves to drive the x direction driving block 1026 to move, the x direction driving block 1026 moves, and because one end of the x direction driving block 1026, which is far away from the second lead screw nut 1024, is matched with the mounting hole slot 101, the x direction driving block 1026 drives the second platform 100 to move, so that the adjustment in the x direction of the screen frame mounting plate 35 is achieved;
y direction adjustment module 2 with x direction adjustment module 1 all adopts lead screw and screw nut mode drive the regulation of screen frame mounting panel 35y direction and x direction, the screw rod and screw nut's mutual screw-thread fit has guaranteed y direction adjustment module 2 with x direction adjustment module 1's regulation precision, simultaneously the second adjust the slide rail 1020 with the design of first regulation slide rail 201 has guaranteed the second platform 100 with the even running of first platform 200 has reduced simultaneously the second platform 100 with the production of first platform 200 at the removal in-process noise.
Example 3
On the basis of embodiment 1, the angle adjusting mechanism comprises four arc guide rails 31 arranged along the circumference at equal intervals, the arc guide rails 31 are arranged on the y-direction adjusting module 2, the screen frame mounting plate 35 is slidably mounted on the arc guide rails 31, a grating ruler 34 is arranged on the screen frame mounting plate 35, the grating ruler 34 and the arc guide rails 31 are coaxially mounted, the grating ruler 34 is used for acquiring the arc length of the screen frame mounting plate 35 sliding along the arc guide rails 31, an angle adjusting driving mechanism is arranged on the y-direction adjusting module 2 and used for driving the screen frame mounting plate 35 to slide along the arc guide rails 31, the angle adjusting driving mechanism comprises a linear motor 33, the linear motor 33 comprises a stator and a rotor, and the stator is fixedly connected with the y-direction adjusting module 2, the rotor is connected with a floating block 32 through a cross block 4, the working end of the floating block 32 is hinged with the screen frame mounting plate 35 through a hinge shaft 30, and the hinge point is the rotating node;
the value range of theta of the angle adjusting mechanism is from-5 degrees to +5 degrees, wherein the clockwise direction is positive, and the counterclockwise direction is negative (the angle theta is shown in figure 5).
The working principle of the technical scheme is as follows: when the angle adjusting mechanism is used, the linear motor 33 is started to enable the rotor to be linearly moved from A to B or from B to A, the rotor linearly moves to drive the floating block 32 to be linearly moved, the floating block 32 is linearly moved, because the net frame mounting plate 35 is hinged with the floating block 32, the floating block 32 is linearly moved to enable the net frame mounting plate 35 to move along the arc-shaped guide rail 31 after the G point conversion shown in figure 5, the net frame mounting plate 35 moves along the arc-shaped guide rail 31, because the arc-shaped guide rail 31 is arc-shaped, the net frame mounting plate 35 rotates by taking an O point as an axis, the G point y direction passively generates displacement in the rotating process, the y direction generates displacement and passes through the floating block 32 for floating automatic compensation, the grating ruler 34 is arranged on the net frame mounting plate 35 to directly reflect the physical position of the net frame mounting plate 35 after rotation, angle adjustment mechanism includes four arc guide rails 31 of evenly arranging, four arc guide rails 31 of evenly arranging have improved the rotatory precision and the stability of screen frame mounting panel 35 physics, angle adjustment mechanism's design utilizes rotation angle ═ arc length/radius (wherein the arc length is the reading of grating chi 34, the radius is the radius of rotation of grating chi 34 position) to combine the design of each part of angle adjustment mechanism, ingenious will radius value enlargies, makes the final value of rotation angle is less, has improved angle adjustment mechanism's angle of adjustment precision.
Example 4
On the basis of the embodiment 1, the side wall of the net frame mounting plate 35 is provided with a foreign matter absorbing and removing device 6, the foreign matter suction device 6 comprises an adjusting guide rail 600, the adjusting guide rail 600 is detachably connected on the side wall of the net frame mounting plate 35 through a nut 5, the adjusting guide rail 600 is of a convex structure, the height of the adjusting guide rail 600 is adjustable, the adjusting guide rail 600 is connected with a mounting slide block 601 in a sliding way, the mounting slide block 601 is of a concave structure, a mounting slide block driving motor is arranged on the mounting slide block 601, the mounting slide block driving motor is used for driving the mounting slide block 601 to slide, the mounting slide block 601 is rotatably connected with a wiping rotating shaft 602, a wiping rotating shaft driving part is arranged on the wiping rotating shaft 602 and is used for driving the wiping rotating shaft 602 to rotate, and a wiping dust absorption roller 603 is sleeved on the wiping rotating shaft 602;
the wiping dust absorption roller 603 comprises a variable cavity 6030 and a plurality of cavity driving pieces 6032, the variable cavity 6030 is connected with the wiping rotating shaft 602 through the plurality of cavity driving pieces 6032, the variable cavity 6030 is made of elastic materials, a plurality of dust storage rubber cavities 6031 are arranged in the variable cavity 6030, the plurality of dust storage rubber cavities 6031 correspond to the plurality of cavity driving pieces 6032 one by one and are arranged in an annular shape, one end, away from the axis of the wiping rotating shaft 602, of each dust storage rubber cavity 6031 is provided with a dust absorption port 6033, and each cavity driving piece 6032 comprises an arc-shaped rubber head 6034 and a driving main body 604;
the drive main part 604 includes drive housing 6040, be equipped with compression worm wheel 6041 and compression worm 6042 in the drive housing 6040, compression worm wheel 6041 with compression worm 6042 intermeshing, the last key connection of compression worm wheel 6041 has first threaded rod 6043, first threaded rod 6043 work pot head is equipped with second threaded rod 6044, first threaded rod 6043 with second threaded rod 6044 threaded connection, second threaded rod 6044 with drive housing 6040 inner wall sliding connection, second threaded rod 6044 is located the outer one end fixedly connected with of drive housing 6040 arc rubber head 6034, arc rubber head 6034 with variable cavity 6030 fixed connection.
The working principle of the technical scheme is as follows: when before the solar wafer screen printing, the running water transmission passes through when the foreign matter absorption device 6 below, the foreign matter absorption device 6 starts the dust storage rubber chamber 6031 is in the compression state at first, at first the installation slider motor is used for driving the installation slider 601 sliding adjustment clean the position of dust absorption cylinder 603, later the rotation shaft driving piece is cleaned to drive the rotation shaft 602 to rotate, the rotation shaft 602 is cleaned to rotate and drive the dust absorption cylinder 603 to rotate, when the solar wafer passes through under the dust absorption cylinder 603, the compression worm 6042 rotates to drive the compression worm wheel 6041 to rotate, the compression worm wheel 6041 rotates to drive the first threaded rod 6043 to rotate, the first threaded rod 6043 rotates to drive the second threaded rod 6044 to rotate, the second threaded rod 6044 rotates to drive the arc-shaped rubber head 6034 to retract, the arc rubber head 6034 retracts and drives the inner space of the dust storage rubber cavity 6031 to be increased, so that the foreign matter on the surface of the solar cell piece screen plate enters the dust suction port 6033 in the dust storage rubber cavity 6031 and works as the dust suction roller 603 finishes working, the compression worm 6042 rotates reversely, so that the arc rubber head 6034 extends out, the arc rubber head 6034 compresses the dust storage rubber cavity 6031 to make the inner space of the dust storage rubber cavity 6031 reduce, so that the foreign matter is discharged from the dust storage rubber cavity 6031.
Example 5
On the basis of embodiment 1, the method further comprises the following steps:
the temperature and humidity adjusting device is arranged on the theta direction adjusting module 3 and used for adjusting the temperature and humidity of the screen printing environment of the photovoltaic solar cell, the temperature and humidity adjusting device comprises a heating unit, an atomizer temperature and humidity monitoring system and a fault monitoring system, the heating unit is used for heating water and transmitting the water to the atomizer, the atomizer is used for atomizing the water heated by the heating unit and discharging the water into the air, and the temperature and humidity monitoring system is electrically connected with the heating unit, the atomizer and the fault monitoring system;
the fault monitoring system is used for detecting the fault condition of the temperature and humidity adjusting device, and comprises:
the air flow rate sensor is arranged on the temperature and humidity adjusting device and used for detecting the air flow rate of the printing environment of the photovoltaic solar cell screen printing plate;
the first temperature sensor is arranged at the water inlet of the heating unit and used for detecting the temperature at the water inlet of the heating unit;
the second temperature sensor is arranged at the water outlet of the heating unit and used for detecting the temperature at the water outlet of the heating unit;
the humidity sensor is arranged on the temperature and humidity adjusting device and used for detecting the actual environment humidity;
the flow sensor is arranged on the atomizer and used for detecting the actual atomization amount of the atomizer;
the third temperature sensor is arranged on the temperature and humidity adjusting device and used for detecting the actual environment temperature;
the controller, the alarm, the controller with air flow rate sensor, first temperature sensor, second temperature sensor humidity transducer, flow sensor, third temperature sensor and the alarm electricity is connected, the controller is based on air flow rate sensor, first temperature sensor, second temperature sensor, humidity transducer, flow sensor and third temperature sensor control the alarm is reported to the police, includes following step:
the method comprises the following steps: based on the air flow velocity sensor and a formula (1), calculating a temperature and humidity coefficient of the temperature and humidity adjusting device:
wherein,
is a temperature-humidity coefficient of the temperature-humidity adjustment device, wherein ℉ is a moisture-deposition coefficient of the heating unit, U is a heat transfer coefficient of the heating unit, and ΔstIn order to achieve the atomization efficiency of the atomizer,
is the thermal conductivity of the heating unit, AiIs the cross-sectional area of the water inlet of the heating unit, AoIs the sectional area of the water outlet of the heating unit,
as a detected value of the air flow rate sensor,
presetting air flow rate for the screen printing environment of the photovoltaic solar cell;
step two: calculating an actual sensitivity coefficient of the temperature and humidity adjusting device based on a temperature and humidity coefficient of the temperature and humidity adjusting device, the first temperature sensor, the second temperature sensor, the humidity sensor, the flow sensor and the third temperature sensor:
wherein, deltastIs the actual sensitivity coefficient, T, of the temperature and humidity adjustment deviceiIs a value detected by the first temperature sensor, ToIs a value detected by the second temperature sensor, TεIs the preset water temperature of the heating unit, e is a natural number and takes a value of 2.72, beta is the equivalence ratio of water,
is the temperature and humidity coefficient, log, of the temperature and humidity adjusting device2Is logarithmic with base 2, VstIs a detected value of the flow sensor, VmFor a predetermined atomization amount, h, of the atomizerstAs a value detected by the humidity sensor, TstH is the preset environment humidity, and T is the preset environment temperature;
step three: the controller compares the actual sensitivity coefficient of the temperature and humidity adjusting device with the preset sensitivity coefficient of the temperature and humidity adjusting device, and if the actual sensitivity coefficient of the temperature and humidity adjusting device is smaller than the preset sensitivity coefficient of the temperature and humidity adjusting device, the alarm gives an alarm.
The beneficial effects of the above technical scheme are: because the humiture requirement to the external environment is higher during solar wafer screen printing, the design of temperature and humidity adjusting device does benefit to the improvement the processingquality of solar wafer screen, the design of fault monitoring system does benefit to the timely maintenance of temperature and humidity adjusting device, calculates earlier the humiture coefficient of temperature and humidity adjusting device, later based on first temperature sensor, instituteThe second temperature sensor, the humidity sensor, the flow sensor and the third temperature sensor calculate the actual working efficiency of the temperature and humidity adjusting device, finally the controller compares the actual working efficiency of the temperature and humidity adjusting device with the preset working efficiency of the temperature and humidity adjusting device, if the actual working efficiency of the temperature and humidity adjusting device is smaller than the preset working efficiency of the temperature and humidity adjusting device, the alarm gives an alarm, and a detection value h of the humidity sensor is introduced when the actual working efficiency of the temperature and humidity adjusting device is calculatedstAnd a detection value T of the third temperature sensorstThe calculation result is more accurate.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The screen adjusting structure for the photovoltaic solar cell is characterized by comprising an x-direction adjusting module (1), a y-direction adjusting module (2) and a theta-direction adjusting module (3), wherein the y-direction adjusting module (2) is connected with the x-direction adjusting module (1) in a sliding manner, the theta-direction adjusting module (3) comprises a screen frame mounting plate (35), the screen frame mounting plate (35) is connected to the y-direction adjusting module (2) in a rotating manner through a rotating node, an angle adjusting mechanism is arranged on the y-direction adjusting module (2) and used for driving the screen frame mounting plate (35) to rotate, and the theta direction is the rotating direction of the screen frame mounting plate (35);
be equipped with foreign matter gettering device (6) on net frame mounting panel (35) lateral wall, foreign matter gettering device (6) is including adjusting guide rail (600), adjust guide rail (600) through nut (5) detachable connection on net frame mounting panel (35) lateral wall, adjust guide rail (600) and be the convex structure, just it is adjustable to adjust guide rail (600) height, sliding connection has installation slider (601) on adjusting guide rail (600), installation slider (601) are the spill structure, be equipped with installation slider driving motor on installation slider (601), installation slider driving motor is used for the drive installation slider (601) slides, sliding connection has on installation slider (601) cleans pivot (602), it cleans the pivot driving piece to be equipped with on pivot (602) to clean, it is used for the drive to clean the pivot driving piece clean pivot (602) and rotate, a wiping dust absorption roller (603) is sleeved on the wiping rotating shaft (602);
the cleaning dust collection roller (603) comprises a variable cavity (6030) and a plurality of cavity driving pieces (6032), the variable cavity (6030) is connected with the cleaning rotating shaft (602) through the cavity driving pieces (6032), the variable cavity (6030) is made of elastic materials, a plurality of dust storage rubber cavities (6031) are arranged in the variable cavity (6030), the dust storage rubber cavities (6031) correspond to the cavity driving pieces (6032) one by one and are arranged in an annular mode, one ends, away from the axis of the cleaning rotating shaft (602), of the dust storage rubber cavities (6031) are provided with dust collection ports (6033), and the cavity driving pieces (6032) comprise arc-shaped rubber heads (6034) and driving bodies (604);
drive main part (604) is including driving shell (6040), be equipped with compression worm wheel (6041) and compression worm (6042) in drive shell (6040), compression worm wheel (6041) with compression worm (6042) intermeshing, the key joint has first threaded rod (6043) on compression worm wheel (6041), first threaded rod (6043) work pot head is equipped with second threaded rod (6044), first threaded rod (6043) with second threaded rod (6044) threaded connection, second threaded rod (6044) with drive shell (6040) inner wall sliding connection, second threaded rod (6044) are located drive shell (6040) outer one end fixedly connected with arc rubber head (6034), arc rubber head (6034) with variable cavity (6030) fixed connection.
2. The halftone adjustment structure of a photovoltaic solar cell according to claim 1,
the y-direction adjusting module (2) comprises a first platform (200) and a second platform (100), wherein two symmetrically arranged first adjusting slide rails (201) are arranged on the second platform (100), the first platform (200) is connected to the second platform (100) through the first adjusting slide rails (201) in a sliding manner, a first lead screw supporting seat A (204) and a first lead screw supporting seat B (205) are arranged on the second platform (100), a first lead screw (206) is arranged between the first lead screw supporting seat A (204) and the first lead screw supporting seat B (205), a first lead screw nut (207) is sleeved on the first lead screw (206), the first lead screw nut (207) is in threaded connection with the first lead screw (206), a first driving motor (203) is arranged on the second platform (100), and an output shaft of the first driving motor (203) is connected with the first lead screw (206) through a first coupler (208), a y-direction driving block (202) is arranged on the first lead screw nut (207), and the y-direction driving block (202) is connected with the first platform (200) and used for driving the first platform (200) to slide along the first adjusting slide rail (201);
the theta direction adjusting module (3) is connected to the first platform (200).
3. The halftone adjustment structure of a photovoltaic solar cell according to claim 2,
the x-direction adjusting module (1) comprises a third platform (102), a second adjusting slide rail (1020) which is symmetrically arranged is arranged on the third platform (102), the second platform (100) is connected to the third platform (102) in a sliding mode through the second adjusting slide rail (1020), a second lead screw supporting seat A (1021) and a second lead screw supporting seat B (1022) are arranged on the third platform (102), a second lead screw (1023) is arranged between the second lead screw supporting seat A (1021) and the second lead screw supporting seat B (1022), a second lead screw nut (1024) is sleeved on the second lead screw (1023), the second lead screw nut (1024) is in threaded connection with the second lead screw (1023), a second driving motor (103) is arranged on the third platform (102), an output shaft of the second driving motor (103) is connected with the second lead screw (1023) through a second coupling (1025), an x-direction driving block (1026) is arranged on the second lead screw nut (1024), a mounting hole groove (101) is formed in the second platform (100), and one end, far away from the second lead screw nut (1024), of the x-direction driving block (1026) is connected into the mounting hole groove (101).
4. The halftone adjustment structure of a photovoltaic solar cell according to claim 3,
the guide directions of the first adjusting slide rail (201) and the second adjusting slide rail (1020) are mutually vertical, and the output shaft directions of the first driving motor (203) and the second driving motor (103) are mutually vertical.
5. The halftone adjustment structure of a photovoltaic solar cell according to claim 1,
the angle adjustment mechanism comprises four arc guide rails (31) which are arranged along the circumference at equal intervals, the arc guide rails (31) are arranged on the y-direction adjustment module (2), a net frame mounting plate (35) is slidably mounted on the arc guide rails (31), a grating ruler (34) is arranged on the net frame mounting plate (35), the grating ruler (34) and the arc guide rails (31) are coaxially mounted, the grating ruler (34) is used for acquiring the arc length of the net frame mounting plate (35) along the arc guide rails (31), an angle adjustment driving mechanism is arranged on the y-direction adjustment module (2), the angle adjustment driving mechanism is used for driving the net frame mounting plate (35) to slide along the arc guide rails (31), the angle adjustment driving mechanism comprises a linear motor (33), the linear motor (33) comprises a stator and a rotor, the stator is fixedly connected with the y-direction adjusting module (2), a floating block (32) is connected to the rotor through a cross block (4), the working end of the floating block (32) is hinged to the net frame mounting plate (35) through a hinge shaft (30), and a hinge point is the rotating node.
6. The halftone adjustment structure of a photovoltaic solar cell according to claim 1,
the value range of theta of the angle adjusting mechanism is from-5 degrees to +5 degrees, wherein the clockwise direction is positive, and the anticlockwise direction is negative.
7. The photovoltaic solar cell piece screen adjusting structure of claim 1, further comprising:
the temperature and humidity adjusting device is arranged on the theta direction adjusting module (3) and used for adjusting the temperature and humidity of the screen printing environment of the photovoltaic solar cell, the temperature and humidity adjusting device comprises a heating unit, an atomizer temperature and humidity monitoring system and a fault monitoring system, the heating unit is used for heating water and transmitting the water to the atomizer, the atomizer is used for atomizing the water heated by the heating unit and discharging the water into the air, and the temperature and humidity monitoring system is electrically connected with the heating unit, the atomizer and the fault monitoring system;
the fault monitoring system is used for detecting the fault condition of the temperature and humidity adjusting device, and comprises:
the air flow rate sensor is arranged on the temperature and humidity adjusting device and used for detecting the air flow rate of the printing environment of the photovoltaic solar cell screen printing plate;
the first temperature sensor is arranged at the water inlet of the heating unit and used for detecting the temperature at the water inlet of the heating unit;
the second temperature sensor is arranged at the water outlet of the heating unit and used for detecting the temperature at the water outlet of the heating unit;
the humidity sensor is arranged on the temperature and humidity adjusting device and used for detecting the actual environment humidity;
the flow sensor is arranged on the atomizer and used for detecting the actual atomization amount of the atomizer;
the third temperature sensor is arranged on the temperature and humidity adjusting device and used for detecting the actual environment temperature;
the controller, the alarm, the controller with air flow rate sensor, first temperature sensor, second temperature sensor humidity transducer, flow sensor, third temperature sensor and the alarm electricity is connected, the controller is based on air flow rate sensor, first temperature sensor, second temperature sensor, humidity transducer, flow sensor and third temperature sensor control the alarm is reported to the police, includes following step:
the method comprises the following steps: based on the air flow velocity sensor and a formula (1), calculating a temperature and humidity coefficient of the temperature and humidity adjusting device:
wherein,
is a temperature-humidity coefficient of the temperature-humidity adjustment device, wherein ℉ is a moisture-deposition coefficient of the heating unit, U is a heat transfer coefficient of the heating unit, and ΔstIn order to achieve the atomization efficiency of the atomizer,
is the thermal conductivity of the heating unit, AiIs the cross-sectional area of the water inlet of the heating unit, AoIs the sectional area of the water outlet of the heating unit,
as a detected value of the air flow rate sensor,
presetting air flow rate for the screen printing environment of the photovoltaic solar cell;
step two: calculating an actual sensitivity coefficient of the temperature and humidity adjusting device based on a temperature and humidity coefficient of the temperature and humidity adjusting device, the first temperature sensor, the second temperature sensor, the humidity sensor, the flow sensor and the third temperature sensor:
wherein, deltastIs the actual sensitivity coefficient, T, of the temperature and humidity adjustment deviceiIs a value detected by the first temperature sensor, ToIs a value detected by the second temperature sensor, TεIs the preset water temperature of the heating unit, e is a natural number and takes a value of 2.72, beta is the equivalence ratio of water,
is the temperature and humidity coefficient, log, of the temperature and humidity adjusting device2Is logarithmic with base 2, VstIs a detected value of the flow sensor, VmFor a predetermined atomization amount, h, of the atomizerstAs a value detected by the humidity sensor, TstH is the preset environment humidity, and T is the preset environment temperature;
step three: the controller compares the actual sensitivity coefficient of the temperature and humidity adjusting device with the preset sensitivity coefficient of the temperature and humidity adjusting device, and if the actual sensitivity coefficient of the temperature and humidity adjusting device is smaller than the preset sensitivity coefficient of the temperature and humidity adjusting device, the alarm gives an alarm.
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Address after: 215000 East of Hope Avenue and South of Wenshan Road in Nantong High tech Industrial Development Zone, Nantong City, Jiangsu Province Patentee after: Zhongchenhao Intelligent Equipment (Jiangsu) Co.,Ltd. Address before: 215000 building C, No.6 Weixin Road, Suzhou Industrial Park, Jiangsu Province Patentee before: Suzhou Zhongchenhao Technology Co.,Ltd. |