[0032] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0033] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.
[0034] Such as figure 1 As shown, an energy-saving self-powered portable printer provided by the present invention includes a printer housing 10, a printing component 20, a self-powering component 30, and a control component 40 arranged inside the printer housing 10. The printing component 20 and the The self-generating components 30 are all connected to the control component 30;
[0035] The printing component 20 prints text or images under the control of the control component 40. The self-generating component 30 includes a battery 31 and a piezoelectric device 32. The piezoelectric device 32 is connected to the battery 31 and is The battery 31 is charged, and the battery 31 supplies power to the printing assembly 20 and the control assembly 40.
[0036] In specific implementation, such as Figure 1 to Figure 4 As shown, the energy-saving self-powered portable printer includes a printer housing 10 and a printing component 20, a self-powering component 30, and a control component 40 arranged inside the printer housing 10. The control component 40 can control the printing component 20 to print text or images. The self-generating component 30 includes a battery 31, a piezoelectric device 32, and a thermoelectric device 33. The piezoelectric device 32 is electrically connected to the battery 31. The piezoelectric device 32 deforms to generate electrical energy to charge the battery 31. The battery 31 is used to charge the printing assembly 20 and control The component 40 supplies power, and the thermoelectric device 33 can absorb the thermal energy generated during the printing process and convert it into electrical energy, thereby reducing the output consumption of the battery 31.
[0037] Such as Figure 1 to Figure 4 As shown, the printing assembly 20 includes a printing main frame 21 and a printing paper bin 22. The printing main frame 21 and the printing paper bin 22 are arranged side by side inside the printer housing 10, and the printing main frame 21 is provided with a thermal print head, a printing shaft, and A printing drive mechanism 211 that drives the printing shaft to rotate; both ends of the printing shaft are provided with a printing shaft gear 213, the printing drive mechanism 211 can be a motor or a motor, and the output end of the printing drive mechanism 211 is provided with a printing drive gear 212, a printing drive gear 212 Engaged with the printing shaft gear 213, the printing driving mechanism 211 drives the printing driving gear 212 to rotate, driving the printing shaft gear 213 and the printing shaft to rotate.
[0038] Such as Figure 1 to Figure 3 As shown, a printing paper roll 23 is provided in the printing paper bin 22. The printing paper roll 23 may be thermal printing roll paper. The printing roll paper 23 is set on the printing shaft, and the printing paper roll 23 and the printing paper bin 22 are left between There is a gap; the printing paper bin 22 is connected to the printer housing 10 through an elastic member 24, the elastic member 24 may be a spring or the like, and the printing paper bin 22 can move relative to the printer housing 10. During the carrying process of the portable printer, the printing paper roll 23 can move up and down relative to the printing paper bin 22 to make the printing paper bin 22 vibrate and the printing paper bin 22 to shake up and down relative to the printer housing 10.
[0039] During printing, the control component 40 controls the heating of the thermal print head, and the heated thermal print head contacts the printing roll paper 23 to print the required text or pattern; at the same time, the control component 40 controls the printing drive mechanism 211 to drive the printing shaft to rotate, and the printing roll The paper 23 rotates out of the printer housing 10 along with the rotation of the printing shaft. The rolling of the printing paper roll 23 vibrates the printing paper bin 22, and the printing paper bin 22 can shake up and down relative to the printer housing 10.
[0040] Such as Figure 2 to Figure 4 As shown, the piezoelectric device 32 is a piezoelectric material such as a ceramic piezoelectric sheet, a quartz crystal sheet, or a polyvinyl fluoride sheet. The piezoelectric device 32 is provided at the bottom of the printing paper bin 22. One of the printing paper bin 22 and the piezoelectric device 32 When the side surfaces are in contact with each other, when the printing paper bin 22 vibrates up and down relative to the printer housing 10, the piezoelectric device 32 is pressed, and the piezoelectric device 32 generates electric energy.
[0041] The printer housing 10 is provided with a manual pressing mechanism corresponding to the other side of the piezoelectric device 32, and the manual pressing mechanism can be flush with the printer housing 10. The manual pressing mechanism may be a soft material such as a silicone sheet or a silicone plate; the manual pressing mechanism may also be a pressing plate, and the manual pressing mechanism is in contact with the piezoelectric device 32 through a spring. By manually pressing the manual pressing mechanism, the piezoelectric device 32 deforms to generate electric energy.
[0042] Such as Figure 1 to Figure 3 As shown, the thermoelectric device 33 is a metal silicide, telluride, or antimony alloy that can mutually convert heat energy and electric energy. The thermoelectric device 33 is wrapped on the outside of the printing drive mechanism 211 and is electrically connected to the printing drive mechanism 211. The device 33 can absorb the thermal energy generated by the printing drive mechanism 211 and convert it into electrical energy, and provide the electrical energy to the printing drive mechanism 211, thereby reducing the electrical energy output of the battery 31.
[0043] Such as figure 2 , image 3 As shown, the control assembly 40 includes a PCB board. The battery 31, the thermal print head and the print drive mechanism 211 are all connected to the control assembly 40. The battery 31 can supply power to the control assembly 40 so that the control assembly 40 can control the thermal print head and Start or stop of the print drive mechanism 211.
[0044] The present invention also provides a method for using the energy-saving self-powered portable printer as described in any one of the above, the method includes: when the portable printer is carried outdoors, the printing paper roll 23 is opposed to the printing paper bin. 22 moves up and down to make the printing paper bin 22 vibrate and press the piezoelectric device 32, and the piezoelectric device 32 supplies power to the battery 31;
[0045] When the portable printer is not in use, press the piezoelectric device 32 through the manual pressing mechanism to supply power to the battery 31;
[0046] During the printing process, the printing paper roll 23 is rolled, causing the printing paper bin 22 to vibrate and press the piezoelectric device 32, and the piezoelectric device 32 supplies power to the battery 31; the thermoelectric device 33 absorbs the The thermal energy generated by the printing driving mechanism 211 is converted into electric energy, and the printing driving mechanism 211 is powered.
[0047] The present invention provides an energy-saving self-generating portable printer, in actual work, such as Figure 1 to Figure 4 As shown, when the portable printer is carried outdoors, there is a gap between the printing paper roll 23 and the printing paper bin 22. The printing paper roll 23 can move up and down relative to the printing paper bin 22, and the printing paper bin 22 vibrates and is relative to the printer. The housing 10 shakes up and down, the printing paper bin 22 presses the piezoelectric device 32 to deform the piezoelectric device 32 to generate electrical energy, and the piezoelectric device 32 charges the battery.
[0048] When the portable printer is not in use, the piezoelectric device 32 is deformed by pressing the piezoelectric device 32 by a manual pressing mechanism, and the piezoelectric device 32 generates electric energy to charge the battery 31.
[0049] During the printing process, the battery 31 supplies power to the control module 40, and the control module 40 controls the heating of the thermal print head. The heated thermal print head contacts the printing roll paper 23 and prints the required text or pattern; at the same time, the control module 40 controls the printing The driving mechanism 211 drives the printing drive gear 212 to rotate, driving the printing shaft gear 213 and the printing shaft to rotate, and the printing roll paper 23 rotates out of the printer housing 10 as the printing shaft rotates.
[0050] When the printing paper roll 23 rotates around the printing shaft and out of the printer housing 10, the rotation of the printing paper roll 23 causes the printing paper compartment 22 to vibrate. The printing paper compartment 22 shakes up and down relative to the printer housing 10 through the elastic member 24, and the printing paper compartment 22 touches Press the piezoelectric device 32, the piezoelectric device 32 deforms to generate electric energy, and the piezoelectric device 32 supplies power to the battery 31;
[0051] At the same time, the printing driving mechanism 211 generates heat when the printing driving gear 212 rotates, and the thermoelectric device 33 absorbs the heat generated by the printing driving mechanism 211 and converts it into electric energy, and supplies the electric energy to the printing driving mechanism 211, reducing the power output of the battery 31 and extending the battery. 31 hours of use.
[0052] Compared with the prior art, the present invention provides an energy-saving self-powered portable printer with self-powered components, which can deform the piezoelectric device to generate electrical energy and charge the battery when the portable printer is working and not working; During the printing process, the thermoelectric device can absorb the thermal energy generated by the printing drive mechanism and convert it into electric energy, and charge the printing drive mechanism, thereby extending the battery life. The energy-saving self-powered portable printer provided by the present invention prolongs the application time of the portable printer, avoids the problem that the portable printer cannot be charged outdoors, and further expands the use range of the portable printer.
[0053] Preferably, the printer housing 10 is further provided with a power button 11 and a display screen 12, the power button 11 is used to switch the portable printer, and the display screen 12 is used to display the status of the portable printer.
[0054] In specific implementation, such as figure 1 As shown, the printer housing 10 is also provided with a power button 11 and a display screen 12. The power button 11 can turn on or off the portable printer, and the display screen 12 can display the working status of the portable printer, so that the user can observe the paper roll of the printing paper. And the portable printer reports errors and other information.
[0055] Although terms such as printer housing, printing component, printing body frame, piezoelectric device, thermoelectric device and control component are used more in this article, the possibility of using other terms is not excluded. These terms are used only to describe and explain the essence of the present invention more conveniently; to interpret them as any additional limitation is contrary to the spirit of the present invention.
[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: It is still possible to modify the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. range.
