CN211542904U - Large-breadth portable inkjet printer - Google Patents
Large-breadth portable inkjet printer Download PDFInfo
- Publication number
- CN211542904U CN211542904U CN201922345188.4U CN201922345188U CN211542904U CN 211542904 U CN211542904 U CN 211542904U CN 201922345188 U CN201922345188 U CN 201922345188U CN 211542904 U CN211542904 U CN 211542904U
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- chip microcomputer
- inkjet printer
- microcomputer controller
- omnidirectional
- single chip
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000007592 spray painting technique Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 15
- 238000007641 inkjet printing Methods 0.000 claims description 10
- 238000013500 data storage Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 26
- 230000001680 brushing effect Effects 0.000 abstract description 13
- 238000010009 beating Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 24
- 239000007921 spray Substances 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- Accessory Devices And Overall Control Thereof (AREA)
- Printers Characterized By Their Purpose (AREA)
Abstract
The utility model provides a large-breadth portable inkjet printer, which comprises an omnidirectional platform, the bottom of which is provided with an omnidirectional wheel; the single chip microcomputer controller, the stepping motor, the obstacle detection sensor, the spray painting equipment and the battery are arranged on the omnidirectional platform, and the battery is used for providing a power supply for the spray painting machine; one end of the stepping motor is connected with and controlled by the singlechip controller, and the other end of the stepping motor is connected with the omnidirectional wheel and controls the omnidirectional wheel to move; the obstacle detection sensor is connected with an IO port of the single chip microcomputer controller and used as the input of the IO port; the spray painting equipment is connected with an IO port of the single chip microcomputer controller and used as output of the IO port, and the spray painting equipment is controlled by the single chip microcomputer controller. The utility model discloses can realize beating printing paper, advertisement, poster or subaerial walking in a flexible way in special big breadth, turn to under the zero turning radius, carry out the unrestricted air brushing printing of breadth of characters or pattern and print, convenient operation is succinct, air brushing printing quality is high, air brushing ink droplet size is adjustable, portable.
Description
Technical Field
The utility model relates to an inkjet printing technical field, in particular to can carry out the printing machine of characters and picture air brushing on big width paper, canvas, poster or ground.
Background
With the increasing living standard of people, the market demand for large-format advertisements, posters or ground marks is increasing. At present, the width of the inkjet is limited by the mechanical size of an inkjet printer or a flat-panel printer, the maximum width can reach 5 meters generally, and the inkjet devices are large in size and inconvenient to carry. Chinese patent intelligent spray drawing dolly with the bulletin number CN204263733U, including frame and singlechip, the frame bottom left and right sides all is provided with the wheel, is provided with infrared sensor and the wheel step motor of seeking mark in the side of wheel, is provided with the slip lead screw that spanes between the frame left and right sides on frame upper portion, the slip lead screw links to each other with the slip lead screw step motor that sets up on the frame, is equipped with the slip shower nozzle that removes about can following the slip lead screw on the slip lead screw, still is equipped with the electromagnetism booster pump on the frame, the shower nozzle passes through the catheter and links to each other with the ink bottle that sets up on the frame through the electromagnetism booster pump, the input of singlechip is connected with infrared sensor electricity of seeking mark, and the singlechip output is connected with wheel step motor, slip lead screw step. The device realizes the spray painting of the advertisement banner with extra large area, is portable due to small size, but needs to draw a running black line on a canvas or the ground in advance to navigate in the implementation process, assists the spray painting, and additionally adds a process. The quality and width of the black line directly affect the printing precision, so the black line has high drawing requirement and great difficulty, and the black line is extra content relative to the inkjet content of the advertisement banner and needs to be cut off at the later stage, which adds an extra process. Secondly, the device adopts the differential mode of ordinary wheel to realize the line that the air brushing trades, and turn radius is big, is unfavorable for the control of line interval. Finally, the nozzle adopted by the device is a siphon nozzle, if the nozzle is placed too low, siphon phenomenon can be generated, ink flows out by itself, and the size of ink drops can not be controlled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned prior art's defect and not enough, adopt universal moving platform and automatic air brushing system, provide a convenient operation succinct, turn to nimble, air brushing ink droplet size adjustable portable, can be at the printing paper of especially big breadth, advertisement, poster or subaerial characters or the portable air brushing machine of pattern air brushing printing of carrying on by a wide margin. Specifically, the large-format portable inkjet printer adopts an omnidirectional platform walking mechanism, has flexible and various motion forms, can realize steering under the condition of zero turning radius, and is convenient for inkjet printing and line changing; the obstacle detection sensor is adopted to realize the navigation driving of the trolley according to a preset route, the trolley is convenient and simple, navigation marks do not need to be made on a paper surface in advance, and the trolley can accurately travel in a straight line under the control of the singlechip controller, so that a foundation is laid for the line-based spray painting and printing; the servo electromagnetic valve is adopted to control the air pressure type sprayer, whether ink drops are sprayed or not is controlled by controlling the on-off of gas under the control of the singlechip controller, and the size of the ink drops sprayed by the sprayer is controlled by controlling the size of the gas, so that the control of the size of the ink drops is realized, and the phenomenon that the ink flows out when the ink is not sprayed is effectively prevented; the wireless communication unit is in wireless connection with terminal equipment such as a computer, a tablet personal computer or a smart phone, so that the updating of remote printing contents and the sending of printing commands are conveniently realized. The utility model discloses portable inkjet printer of big breadth can realize high-quality unlimited printing of breadth and air brushing at advertising paper or subaerial under the terminal equipment remote control.
The utility model adopts the technical proposal that: a large format portable inkjet printer comprising: the bottom of the omnidirectional platform is provided with an omnidirectional wheel; the single chip microcomputer controller, the stepping motor, the obstacle detection sensor, the spray painting equipment and the battery are arranged on the omnidirectional platform, and the battery is used for providing a power supply for the spray painting machine; one end of the stepping motor is connected with and controlled by the singlechip controller, and the other end of the stepping motor is connected with the omnidirectional wheel and controls the omnidirectional wheel to move; the obstacle detection sensor is connected with an IO port of the single chip microcomputer controller and used as the input of the IO port; the spray painting equipment is connected with an IO port of the single chip microcomputer controller and used as output of the IO port, and the spray painting equipment is controlled by the single chip microcomputer controller.
Preferably, the single chip microcomputer controller further comprises a stepping motor driving unit, and the stepping motor driving unit is electrically connected with the stepping motor to control the operation of the stepping motor.
Still further, the single chip microcomputer controller adopts a single chip microcomputer of an STM32F103 series chip.
Preferably, the single chip microcomputer controller comprises a distance acquisition unit, the distance acquisition unit is connected with the obstacle detection sensor, and distance information of the detected obstacle is used as the input of the single chip microcomputer controller.
Still further, the obstacle detection sensor is an ultrasonic radar, an infrared sensor, or a microwave radar.
Still further, the obstacle detection sensor includes transmission part and receiving part, transmission part and receiving part are combined into a set of, the obstacle detection sensor has the multiunit, and each group outwards installs along the horizontal direction on the platform of qxcomm technology, and wherein at least two sets of mutually perpendicular setting.
Preferably, the single chip microcomputer controller comprises a wireless communication unit.
Still further, the inkjet printer is connected with a terminal device through the wireless communication unit, and the terminal device is a computer, a tablet personal computer or a smart phone.
Still further, the wireless communication unit is a WIFI unit, a SIM card unit or Bluetooth.
Still further, the WIFI unit adopts SKW92 circuit based on chip MT7628N or MT7688A, the SIM card unit adopts ME909s circuit, and the Bluetooth adopts HC-05 circuit.
Preferably, the single chip microcomputer controller comprises an inkjet printing control unit, and the inkjet printing control unit is connected with a servo electromagnetic valve of the inkjet printer.
Preferably, the single chip microcomputer controller further comprises a data storage unit. The data storage unit is used for storing printing instructions and printing contents.
Still further, the printing instruction and the printing content are sent to the single chip microcomputer controller by terminal equipment such as a computer, a tablet computer or a smart phone through the wireless communication unit.
Preferably, the inkjet equipment further comprises a servo electromagnetic valve, an air pump, an air duct, an ink guide tube, an ink bottle and a nozzle.
Furthermore, the spray head is arranged at the center of the lower part of the omnidirectional platform, or extends out of the outer side of the lower part of the omnidirectional platform through a fixed connecting rod; the nozzle is connected with the ink bottle through an ink guide tube, and is also connected with the air pump through an air guide tube and a servo electromagnetic valve, and the opening degree of the servo electromagnetic valve is controlled by the single chip microcomputer controller.
Still further, the shower nozzle is vapour-pressure type shower nozzle.
Preferably, the omni-directional wheel is connected with the stepping motor through a coupler.
Preferably, the number of the omnidirectional wheels is four, and the omnidirectional wheels are symmetrically distributed at a 90-degree staggered angle; the number of the stepping motors is four, and the axes of the stepping motors are mutually perpendicular and intersect at one point.
Preferably, the battery is a rechargeable lithium battery.
The utility model has the advantages as follows:
(1) the wide-format portable inkjet printer adopts the omnidirectional platform with the omnidirectional wheels arranged at the bottom, and compared with the prior art, the large-format portable inkjet printer can move towards any direction without changing the direction of the wheels, and comprises advancing, retreating, left moving, right moving, diagonal movement, left turning, right turning and combined movement, the movement form is flexible and various, the steering under the zero turning radius can be realized, and the inkjet printing and line changing are convenient.
(2) The sprayer adopts the pneumatic type sprayer, controls the gas to be sprayed out through the conduction of the servo electromagnetic valve, further controls the sprayer to spray, controls the gas not to be sprayed out through the cut-off of the servo electromagnetic valve, further controls the sprayer not to spray, and further effectively avoids the phenomenon that ink flows out when the sprayer is not sprayed. In addition, the size of the output gas is controlled by changing the opening of the servo electromagnetic valve, so that the size of the ink drop sprayed by the spray head is changed conveniently.
(3) After the obstacle detection sensor is adopted, a baffle plate is only required to be placed on a paper surface, canvas or the ground, or a wall surface is taken as an obstacle; or two mutually vertical baffle plates or two mutually vertical wall corners are taken as reference, the car can be guided to run according to a preset route, and a black line does not need to be drawn on a paper surface or a canvas in advance, so that unnecessary additional work is reduced.
(4) The wireless communication unit is connected with terminal equipment such as a computer, a tablet personal computer or a smart phone, wireless data transmission is achieved, and when printing is needed, users can spray and paint characters and pictures on large-format paper, canvas, advertising paper, posters or the ground as long as the users send printing contents and printing instructions to the printer through the wireless communication unit at the terminal equipment.
(5) The large-format portable inkjet printer is provided with the rechargeable lithium battery, so that the large-format portable inkjet printer can conveniently and freely walk on advertising paper or the ground in a large format without being influenced and limited by a power supply and a connecting wire.
Drawings
Fig. 1 is a schematic structural diagram of a large-format portable inkjet printer according to embodiment 1.
Fig. 2 is a left side view of the large format portable inkjet printer according to example 1.
Fig. 3 is a minimum system circuit diagram of the single chip controller.
Fig. 4 is an IO interface circuit diagram of the single chip controller.
Fig. 5 is a driving circuit diagram of a stepping motor.
Fig. 6 is a stepping motor mode selection circuit diagram.
Fig. 7 is a circuit diagram of a bluetooth interface of the single chip controller.
Fig. 8 is a circuit diagram of a FLASH of the single chip controller.
Fig. 9 is a driving circuit diagram of the head of the inkjet device.
Fig. 10 is a circuit diagram of an ultrasonic radar interface.
FIG. 11 is a circuit diagram of 12V to 5V.
Fig. 12 is a circuit diagram of 5V to 3.3V.
Fig. 13 is a circuit diagram of a wireless communication unit interface of the one-chip microcomputer controller.
The reference numbers in fig. 1 and 2 are: 1. the ink jet printer comprises an omnidirectional platform, 2 ink bottles, 3 ink guide tubes, 4 ultrasonic radar III, 5 single chip microcomputer controllers, 6 rechargeable lithium batteries, 7 ultrasonic radar I, 8 ultrasonic radar II, 9 omnidirectional wheels, 10 stepping motors, 11 servo electromagnetic valves, 12 air guide tubes, 13 air pumps and 14 spray heads.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Example 1: as shown in fig. 1 to fig. 2, the large-format portable inkjet printer structure of the present invention includes an omnidirectional platform 1, three ultrasonic radars 4, a first ultrasonic radar 7, a second ultrasonic radar 8, an omnidirectional wheel 9, a single chip controller 5 and a nozzle 14.
The omnidirectional platform is characterized in that four omnidirectional wheels 9 symmetrically distributed at 90-degree staggered angles are arranged at the bottom of the omnidirectional platform 1, the four omnidirectional wheels 9 are respectively connected with four stepping motors 10 through couplers, the axes of the four stepping motors 10 are intersected at one point and are mutually perpendicular, the four stepping motors 10 are electrically connected with the single chip microcomputer controller 5 and the rechargeable lithium battery 6, and the four omnidirectional wheels can move forward, backward, leftward, rightward, obliquely, leftward, rightward and combined movement of the four stepping motors 10 under the control of the single chip microcomputer controller 5.
The spray head 14 is arranged at the center of the lower part of the omnidirectional platform 1, is connected with an air pump 13 arranged at the upper part of the omnidirectional platform 1 through a servo electromagnetic valve 11 through an air duct 12, is connected with an ink bottle 2 arranged at the upper part of the omnidirectional platform 1 through an ink guide tube 3, the servo electromagnetic valve 11 is electrically connected with the singlechip controller 5, and the air pump 13 is electrically connected with the rechargeable lithium battery 6.
The single chip microcomputer controller 5 comprises a stepping motor driving unit, a distance acquisition unit, an inkjet printing control unit, a wireless communication unit and a data storage unit. The step motor drive unit is electrically connected with a step motor 10, the distance acquisition unit is electrically connected with a first ultrasonic radar 7, a second ultrasonic radar 8 and a third ultrasonic radar 4, the spray printing control unit is electrically connected with a servo electromagnetic valve 11, the wireless communication unit is Bluetooth and is in wireless communication with terminal equipment such as a computer, a tablet personal computer or a smart phone with Bluetooth, and the data storage unit is used for storing a printing command and a printing content sent by the terminal equipment such as the computer, the tablet personal computer or the smart phone through the Bluetooth.
The single chip microcomputer controller preferably adopts a single chip microcomputer of an STM32F103 series chip to realize the functions. In this embodiment, a minimum system circuit diagram with STM32F103ZET6 as a core chip is shown in fig. 3, and an IO interface circuit diagram of a single chip controller is shown in fig. 4.
A driving circuit diagram of a stepping motor is shown in fig. 5, and a stepping motor mode selection circuit diagram is shown in fig. 6. In embodiment 1, four stepping motors are used, and four stepping motor driving circuits using a4988 as a core chip are required.
In embodiment 1, the wireless communication unit of the chip controller is bluetooth, and a bluetooth interface circuit diagram thereof is shown in fig. 7. Fig. 13 is a circuit diagram of an alternate wireless communication unit interface.
The data storage unit of the chip controller in embodiment 1 employs a FLASH circuit, and a circuit diagram thereof is shown in fig. 8. Fig. 9 is a driving circuit diagram of the head of the inkjet device.
In example 1, the obstacle detection sensor is an ultrasonic radar including a transmitting section and a receiving section, which are grouped into three groups. Fig. 10 shows a circuit diagram of an interface between a distance acquisition unit of the one-chip microcomputer controller and the ultrasonic radar.
The battery for providing power supply for the inkjet printer is preferably a lithium battery, generally 12V, the working voltage of a part of circuits and the chip is 5V or 3.3V, a circuit diagram of converting 12V to 5V is shown in FIG. 11, and a circuit diagram of converting 5V to 3.3V is shown in FIG. 12.
The utility model discloses large format portable inkjet printer when the air brushing is printed, use two mutually perpendicular walls or use two mutually perpendicular baffles as the reference, will treat printing paper, canvas one corner of printing and hug closely the corner, will the utility model discloses large format portable inkjet printer puts at the printing paper of waiting to print, canvas or subaerial arbitrary position that closes on corner or two baffles looks intersect the corner, take the computer or the smart mobile phone of bluetooth and the utility model discloses carry out bluetooth match connection, open computer or smart mobile phone customer end, set up printing content and page layout parameter, start the print button, after singlechip controller 5 received the print command through the bluetooth, accept printing content and page layout parameter, thereby control dolly is arranged parameter control step motor 10 according to the page and is controlled the utility model discloses air brushing is walked to large format portable inkjet printer, through reading ultrasonic radar one 7, two 8 of ultrasonic radar, The distance that three 4 detected of ultrasonic radar come the position and the gesture of this novel portable inkjet printer of big breadth, controls shower nozzle 14 through control servo solenoid valve 11 at last and carries out the air brushing and print.
In other embodiments, the adjustment can be made with reference to fig. 1 to 2. If the number of the omnidirectional wheels can be set to be three omnidirectional wheels with 120-degree included angles according to the situation, the number of the corresponding stepping motors is also three. For another example, the position of the nozzle can also extend out of the outer side of the lower part of the omnidirectional platform through the fixed connecting rod, so that the omnidirectional wheel can move in an area which is not yet subjected to inkjet printing all the time, and the influence of ink which is possibly contaminated when the omnidirectional wheel moves on the inkjet printing effect is avoided.
In other embodiments, the circuit diagrams of fig. 3 to 13 can be used as reference for adjustment. For example, the wireless communication unit may also be implemented using a WIFI unit or a SIM card unit. In case of a WIFI unit, it is preferable to use SKW92 circuit based on chip MT7628N or MT7688A, and in case of a SIM card unit, it is preferable to use ME909s circuit. The connection mode and the interface circuit of the WIFI unit or the SIM card unit are similar to those of Bluetooth. For another example, the obstacle detection sensor may be implemented by an infrared sensor or a microwave radar, and the interface circuit and the connection mode are similar to those of the ultrasonic radar.
Claims (10)
1. A large format portable inkjet printer comprising: the bottom of the omnidirectional platform is provided with an omnidirectional wheel; the single chip microcomputer controller, the stepping motor, the obstacle detection sensor, the spray painting equipment and the battery are arranged on the omnidirectional platform, and the battery is used for providing a power supply for the spray painting machine; one end of the stepping motor is connected with and controlled by the singlechip controller, and the other end of the stepping motor is connected with the omnidirectional wheel and controls the omnidirectional wheel to move; the obstacle detection sensor is connected with an IO port of the single chip microcomputer controller and used as the input of the IO port; the spray painting equipment is connected with an IO port of the single chip microcomputer controller and used as output of the IO port, and the spray painting equipment is controlled by the single chip microcomputer controller.
2. The large format portable inkjet printer according to claim 1, wherein the single-chip microcomputer controller further comprises a stepper motor driving unit, and the stepper motor driving unit is electrically connected to the stepper motor.
3. The large format portable inkjet printer according to claim 1 wherein the single-chip microcomputer controller includes a distance acquisition unit, the distance acquisition unit is connected to the obstacle detection sensor, and the distance information of the detected obstacle is used as an input to the single-chip microcomputer controller.
4. The large format portable inkjet printer of claim 1 wherein the one-chip computer controller includes a wireless communication unit through which the inkjet printer connects to a terminal device.
5. The large format portable inkjet printer according to claim 1, wherein the single-chip microcomputer controller comprises an inkjet printing control unit, and the inkjet printing control unit is connected to a servo solenoid valve of the inkjet printer.
6. The large format portable inkjet printer according to claim 1, wherein the one-chip computer controller further comprises a data storage unit for storing print instructions and print content.
7. The large format portable inkjet printer of claim 1 wherein the omni-wheel is coupled to the stepper motor through a coupling.
8. The large format portable inkjet printer of claim 1 wherein the obstacle detection sensors include a transmitter and a receiver, the transmitter and receiver being grouped together, the obstacle detection sensors having a plurality of groups, each group being mounted horizontally outward on the omnidirectional platform, and at least two of the groups being disposed perpendicular to each other.
9. The large format portable inkjet printer according to claim 1, wherein the inkjet device further comprises a servo solenoid valve, an air pump, an air duct, an ink guide tube, an ink bottle, and a nozzle.
10. The large format portable inkjet printer according to claim 9, wherein the nozzle is placed at the center of the lower part of the omnidirectional platform, or extends outside the lower part of the omnidirectional platform through a fixed connecting rod; the nozzle is connected with the ink bottle through an ink guide tube, and is also connected with the air pump through an air guide tube and a servo electromagnetic valve, and the opening degree of the servo electromagnetic valve is controlled by the single chip microcomputer controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345188.4U CN211542904U (en) | 2019-12-24 | 2019-12-24 | Large-breadth portable inkjet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345188.4U CN211542904U (en) | 2019-12-24 | 2019-12-24 | Large-breadth portable inkjet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211542904U true CN211542904U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922345188.4U Active CN211542904U (en) | 2019-12-24 | 2019-12-24 | Large-breadth portable inkjet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211542904U (en) |
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2019
- 2019-12-24 CN CN201922345188.4U patent/CN211542904U/en active Active
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