CN109484038B - Hardware system of printer - Google Patents
Hardware system of printer Download PDFInfo
- Publication number
- CN109484038B CN109484038B CN201811603814.9A CN201811603814A CN109484038B CN 109484038 B CN109484038 B CN 109484038B CN 201811603814 A CN201811603814 A CN 201811603814A CN 109484038 B CN109484038 B CN 109484038B
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- mcu
- control circuit
- resistor
- circuit
- printer
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- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000007639 printing Methods 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 11
- 230000000875 corresponding effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 4
- 238000012840 feeding operation Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 101100532856 Arabidopsis thaliana SDRA gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 238000007644 letterpress printing Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Handling Of Sheets (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses a hardware system of a printer, which comprises a first MCU, a second MCU, a third MCU, a data cache chip, a wireless control circuit, a consumable detection circuit, a motor control circuit, a cutter control circuit, a sensor detection circuit, a touch screen, a first thermosensitive sheet, a second thermosensitive sheet, a third thermosensitive sheet and a carbon band detection circuit; the first MCU is respectively and electrically connected with the second MCU, the third MCU, the data cache chip, the wireless control circuit, the consumable detection circuit, the motor control circuit, the cutter control circuit, the sensor detection circuit and the touch screen; the second MCU is respectively and electrically connected with the first thermosensitive sheet and the third thermosensitive sheet; and the third MCU is respectively and electrically connected with the second thermosensitive sheet and the carbon band detection circuit. The printer can print in a large format, and the printed nameplate can be kept for a long time, so that the printing effect is good.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a hardware system of a printer.
Background
The thermal transfer technology is applied to fabric thermal transfer printing production for a long time, and is more and more widely applied along with rapid development of high technology. The types of ink are classified into a thermal compression transfer type and a thermal sublimation transfer type. Fabrics, plastics (plates, sheets, films), ceramics, metal coated plates, and the like are classified from the transferred objects; classification from printing modes can be categorized into screen printing, lithographic printing, gravure printing, letterpress printing, inkjet and ribbon printing, etc.; thermal transfer papers, thermal transfer plastic films, and the like are classified from the printing stock.
Because there are many labels, it is necessary to withstand the time, it is not deformed for a long time, the characters must be preserved for a long time, it is not discolored, it is not worn out by contact with solvents, it is not discolored by deformation due to higher temperature, etc., so it is necessary to use a printing medium and printing material of special materials to ensure these characteristics, it is not possible to achieve the general ink-jet printing technology, it is also not possible to achieve the laser printing, and the effect of the needle printing and the original design are not satisfactory, so the thermal transfer technology is presented.
The effective printing width of the existing thermal transfer printers on the market at present is within 300mm, and the requirements of some special places, such as marks on a high-voltage transformer box, can not be met, and the corresponding problems can be completely solved by the multi-thermal-sensitive-sheet splicing printing system based on MCU control.
Disclosure of Invention
In view of the above, the present invention provides a hardware system of a printer to solve the above problems in the prior art.
The invention solves the problems by the following technical means:
A hardware system of a printer comprises a first MCU, a second MCU, a third MCU, a data cache chip, a wireless control circuit, a consumable detection circuit, a motor control circuit, a cutter control circuit, a sensor detection circuit, a touch screen, a first thermosensitive plate, a second thermosensitive plate, a third thermosensitive plate and a carbon band detection circuit;
The first MCU is respectively and electrically connected with the second MCU, the third MCU, the data cache chip, the wireless control circuit, the consumable detection circuit, the motor control circuit, the cutter control circuit, the sensor detection circuit and the touch screen;
The second MCU is respectively and electrically connected with the first thermosensitive sheet and the third thermosensitive sheet;
The third MCU is electrically connected with the second thermosensitive sheet and the carbon band detection circuit respectively;
The wireless control circuit is used for connecting a mobile phone or a computer and receiving tag data of the mobile phone or the computer;
the first MCU is used for compressing the received tag data, then placing the compressed tag data into the data cache chip, and controlling the motor control circuit, the cutter control circuit and the sensor detection circuit to perform corresponding actions according to the tag data;
The data cache chip is used for storing the compressed tag data;
The consumable detection circuit is used for detecting whether consumable installation is normal or not;
The motor control circuit is used for controlling paper feeding action when the printer works according to the action of the first MCU;
the cutter control circuit is used for controlling automatic paper cutting after one label is printed;
the sensor detection circuit is used for controlling automatic paper feeding and monitoring the state of the printer according to the action of the first MCU;
The touch screen is used for displaying and setting related parameters of the printer;
the carbon ribbon detection circuit is used for detecting whether the carbon ribbon is normally installed or not;
The second MCU is used for opening the first thermosensitive sheet and the third thermosensitive sheet according to the label data to heat the carbon tape and impress the data on the printing paper;
And the third MCU is used for opening the second thermosensitive sheet heating carbon belt according to the label data to imprint the data on the printing paper.
Further, the hardware system of the printer further comprises a power circuit, wherein the power circuit is used for converting the input 24V direct current voltage into 5V and converting the 5V voltage into 3.3V to provide power for the hardware system.
Further, the hardware system of the printer further comprises a motor driving circuit, wherein the motor driving circuit is electrically connected with the motor control circuit and used for driving the motor to control paper feeding action when the printer works according to the control of the motor control circuit.
Further, the hardware system of the printer further comprises a voltage monitoring circuit, wherein the voltage monitoring circuit is electrically connected with the first MCU and is used for monitoring voltage in real time in the printing process, and when the voltage is too high or too low, the printer can stop working and alarm to remind a user so as to avoid damaging the thermosensitive sheet of the printer.
Further, the hardware system of the printer further comprises an output adjustable voltage circuit, and the first MCU of the output adjustable voltage circuit is electrically connected and used for adjusting the printing voltage according to the actual printing effect so as to ensure that the printing effect is more perfect.
Further, the wireless control circuit is a Bluetooth control circuit or a WIFI control circuit.
Further, the touch screen is an LCD touch screen.
Compared with the prior art, the invention has the beneficial effects that at least:
the printer can print in a large format, and the printed nameplate can be kept for a long time, so that the printing effect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a hardware system of a printer according to the present invention;
FIG. 2 is a schematic diagram of an external 24V to 5V power interface in the power circuit of the present invention;
FIG. 3 is a schematic diagram of a switching power supply from 5V to 3.3V in the power supply circuit of the present invention;
FIG. 4 is a schematic circuit diagram of a motor drive circuit of the present invention;
FIG. 5 is a schematic circuit diagram of the voltage monitoring circuit of the present invention;
FIG. 6 is a schematic circuit diagram of an output adjustable voltage circuit according to the present invention;
FIG. 7 is a flowchart of the hardware system of the printer of the present invention.
Reference numerals illustrate:
1. a first main board; 2. a second main board; 3. a first MCU;4, a second MCU; 5. a third MCU; 6. a touch screen; 7. a first thermosensitive sheet; 8. a third heat-sensitive sheet; 9. a second heat-sensitive sheet; 10. a carbon band detection circuit; 11. a wireless control circuit; 12. a consumable detection circuit; 13. a motor control circuit; 14. a cutter control circuit; 15. a sensor detection circuit; 16 data cache chips.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the following detailed description of the technical solution of the present invention refers to the accompanying drawings and specific embodiments. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments, and that all other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Examples
Term interpretation:
MCU: micro Controller Unit (micro control unit), also known as a single chip microcomputer (SINGLE CHIP microcomputer) or a single chip microcomputer.
SDRAM: synchronous Dynamic Random Access Memory (synchronous dynamic random access memory)
LCD: liquid CRYSTAL DISPLAY (LCD)
Parameters of LCD display screen: CLOCK: a pixel clock;
VS: VERTICAL SYNC (horizontal synchronous)
HS: horizontal Sync (vertical synchronization)
DE: data Enable (Data valid Enable)
DATA: displaying data
As shown in fig. 1, the present invention provides a hardware system of a printer, which comprises a first MCU 3, a second MCU 4, a third MCU 5, a data buffer chip 16, a wireless control circuit 11, a consumable detection circuit 12, a motor control circuit 13, a cutter control circuit 14, a sensor detection circuit 15, a touch screen 6, a first thermal plate 7, a second thermal plate 9, a third thermal plate 8, and a carbon ribbon detection circuit 10;
The first MCU 3 is respectively and electrically connected with the second MCU 4, the third MCU 5, the data cache chip 16, the wireless control circuit 11, the consumable detection circuit 12, the motor control circuit 13, the cutter control circuit 14, the sensor detection circuit 15 and the touch screen 6;
the second MCU 4 is respectively and electrically connected with the first thermosensitive plate 7 and the third thermosensitive plate 8;
the third MCU 5 is respectively and electrically connected with the second thermosensitive plate 9 and the carbon band detection circuit 10;
the wireless control circuit 11 is used for connecting a mobile phone or a computer and receiving tag data of the mobile phone or the computer;
the first MCU 3 is configured to compress the received tag data, and then put the compressed tag data into the data cache chip 16, and control the motor control circuit 13, the cutter control circuit 14, and the sensor detection circuit 15 to perform corresponding actions according to the tag data;
the data cache chip 16 is used for storing the compressed tag data;
the consumable detection circuit 12 is used for detecting whether consumable parts are normally installed or not;
The motor control circuit 13 is used for controlling paper feeding action when the printer works according to the action of the first MCU 3;
The cutter control circuit 14 is used for controlling automatic paper cutting after one label is printed;
The sensor detection circuit 15 is used for controlling automatic paper feeding and monitoring the state of the printer according to the action of the first MCU 3;
The touch screen 6 is used for displaying and setting relevant parameters of the printer;
The carbon ribbon detection circuit 10 is used for detecting whether the carbon ribbon is normally installed or not;
the second MCU 4 is used for opening the first heat-sensitive sheet 7 and the third heat-sensitive sheet 8 according to the label data to heat the carbon tape and impress the data on the printing paper;
the third MCU 5 is used for opening the second heat-sensitive sheet 9 according to the label data to heat the carbon tape and impress the data on the printing paper.
In this embodiment, the wireless control circuit 11 is a bluetooth control circuit or a WIFI control circuit. The touch screen 6 is an LCD touch screen 6.
As shown in fig. 2 and 3, the hardware system of the printer further includes a power circuit, where the power circuit is configured to convert the input 24V dc voltage into 5V, and then convert the 5V voltage into 3.3V, so as to provide power to the hardware system. The whole plate is input by 24V direct current voltage, then converted into 5V through XL4003, and then the 5V voltage is converted into 3.3V through LM 1117. 3.3V mainly provides power for integrated circuits including MCU, and 5V mainly provides power for sensors and external modules.
As shown in fig. 4, the hardware system of the printer further includes a motor driving circuit, and the motor driving circuit is electrically connected to the motor control circuit 13, and is configured to drive the motor to control the paper feeding action when the printer works according to the control of the motor control circuit 13. The motor driving circuit mainly comprises A4988 and external components thereof.
As shown in fig. 5, the hardware system of the printer further includes a voltage monitoring circuit, where the voltage monitoring circuit is electrically connected to the first MCU 3 and is configured to monitor the voltage in real time during the printing process, and stop the printer when the voltage is too high or too low and alarm to remind the user, so as to avoid damaging the thermal film of the printer.
As shown in fig. 6, the hardware system of the printer further includes an output adjustable voltage circuit, and the first MCU 3 of the output adjustable voltage circuit is electrically connected to adjust the printed voltage according to the actual printing effect, so as to ensure that the printing effect is more perfect.
As shown in fig. 7, the hardware system of the printer of the present invention operates as follows:
The printer is started, the USB interface, the data cache chip SDRA, the LCD touch screen and other modules are initialized, the printer is in a state of waiting for receiving instructions (a printing instruction at a computer end, a touch action instruction of the LCD touch screen, whether a key is pressed down or not), the touch screen of the LCD is in action, data responds to the touch screen instruction to set relevant parameters of the printer, the key is in action, paper feeding or a color receiving tape or paper cutting action is executed, the printer receives data at the computer end, after receiving a piece of label data and compressing the label data, the label data is placed into the SDRAM, whether a printing paper and a carbon tape are installed or not is detected, whether a user is prompted to install the printing paper or the carbon tape or not is judged, if yes, the data is transmitted to a thermosensitive sheet control module through the RS485 interface, meanwhile, a motor is controlled to drive a spindle to start paper feeding, after the thermosensitive sheet control module receives the data, the data is divided into three sections and then is respectively transmitted to three thermosensitive sheets, whether the printing voltage is within a working range of the thermosensitive sheet is detected, if not printed, a transmission instruction tells a main controller that the printing voltage is abnormal, the printing voltage is started, the thermosensitive sheet is heated, the thermosensitive sheet, the printing paper is heated, and the paper tape is finished, and the printing paper is finished, and the printing machine is instructed.
The printer can print in a large format, and the printed nameplate can be kept for a long time, so that the printing effect is good.
The method is applied to printing corresponding text patterns on materials such as aluminum alloy coated labels, reflective identification plates, PVC (polyvinyl chloride), PET (polyethylene terephthalate) identification plates and the like by using resin carbon tapes.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The hardware system of the printer is characterized by comprising a first MCU, a second MCU, a third MCU, a data cache chip, a wireless control circuit, a consumable detection circuit, a motor control circuit, a cutter control circuit, a sensor detection circuit, a touch screen, a first thermosensitive sheet, a second thermosensitive sheet, a third thermosensitive sheet and a carbon band detection circuit;
The first MCU is respectively and electrically connected with the second MCU, the third MCU, the data cache chip, the wireless control circuit, the consumable detection circuit, the motor control circuit, the cutter control circuit, the sensor detection circuit and the touch screen;
The second MCU is respectively and electrically connected with the first thermosensitive sheet and the third thermosensitive sheet;
The third MCU is electrically connected with the second thermosensitive sheet and the carbon band detection circuit respectively;
The wireless control circuit is used for connecting a mobile phone or a computer and receiving tag data of the mobile phone or the computer;
the first MCU is used for compressing the received tag data, then placing the compressed tag data into the data cache chip, and controlling the motor control circuit, the cutter control circuit and the sensor detection circuit to perform corresponding actions according to the tag data;
The data cache chip is used for storing the compressed tag data;
The consumable detection circuit is used for detecting whether consumable installation is normal or not;
The motor control circuit is used for controlling paper feeding action when the printer works according to the action of the first MCU;
the cutter control circuit is used for controlling automatic paper cutting after one label is printed;
the sensor detection circuit is used for controlling automatic paper feeding and monitoring the state of the printer according to the action of the first MCU;
The touch screen is used for displaying and setting related parameters of the printer;
the carbon ribbon detection circuit is used for detecting whether the carbon ribbon is normally installed or not;
The second MCU is used for opening the first thermosensitive sheet and the third thermosensitive sheet according to the label data to heat the carbon tape and impress the data on the printing paper;
the third MCU is used for opening the second thermal sensitive sheet heating carbon belt according to the label data to imprint the data on the printing paper;
The hardware system of the printer further comprises a voltage monitoring circuit, wherein the voltage monitoring circuit is electrically connected with the first MCU and is used for monitoring voltage in real time in the printing process, and when the voltage is too high or too low, the printer stops working and alarms to remind a user so as to avoid damaging a thermosensitive plate of the printer;
wherein the voltage monitoring circuit comprises: resistor R1, resistor R2, resistor R7, resistor R10, resistor R11, resistor R14, capacitor C1, capacitor C4, NPN triode Q1, PMOS triode MT1;
One end of the resistor R7 is used as an enabling end A_HDEN of the voltage monitoring circuit to be connected with the first MCU, the other end of the resistor R7 is connected with a base electrode of the NPN triode Q1, and an emitter electrode of the NPN triode Q1 is grounded;
One end of the resistor R14 is connected between the resistor R7 and the base electrode of the NPN triode Q1, and the other end of the resistor R is grounded;
the source electrode of the PMOS triode MT1 is sequentially connected in series with the resistor R2 and the resistor R1 and then connected to the collector electrode of the NPN triode Q1, the grid electrode of the PMOS triode MT is connected between the resistor R1 and the resistor R2, and the drain electrode of the PMOS triode MT is connected in series with the capacitor C1 and then grounded;
The voltage signal DC24VA to be monitored is connected between the source electrode of the PMOS triode MT1 and the resistor R2;
one end of the resistor R11 is connected with the drain electrode of the PMOS triode MT1, and the other end of the resistor R11 is used as an output end A_ PHVM of the voltage monitoring circuit, is connected with the first MCU and is connected with the resistor R10 in series and then is grounded;
the capacitor C4 is connected in parallel with the resistor R10.
2. The hardware system of the printer according to claim 1, further comprising a power circuit for converting the input 24V dc voltage to 5V and then converting the 5V voltage to 3.3V to power the hardware system.
3. The hardware system of the printer according to claim 1, further comprising a motor driving circuit electrically connected to the motor control circuit for driving the motor to control the paper feeding operation of the printer according to the control of the motor control circuit.
4. The hardware system of the printer according to claim 1, further comprising an output adjustable voltage circuit, wherein the first MCU of the output adjustable voltage circuit is electrically connected to adjust the voltage of the printing according to the actual printing effect, so as to ensure that the printing effect is more perfect.
5. The hardware system of the printer according to claim 1, wherein the wireless control circuit is a bluetooth control circuit or a WIFI control circuit.
6. The hardware system of the printer of claim 1, wherein the touch screen is an LCD touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603814.9A CN109484038B (en) | 2018-12-26 | 2018-12-26 | Hardware system of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603814.9A CN109484038B (en) | 2018-12-26 | 2018-12-26 | Hardware system of printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109484038A CN109484038A (en) | 2019-03-19 |
| CN109484038B true CN109484038B (en) | 2024-04-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811603814.9A Active CN109484038B (en) | 2018-12-26 | 2018-12-26 | Hardware system of printer |
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| CN (1) | CN109484038B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867027A (en) * | 2019-10-25 | 2020-03-06 | 温州职业技术学院 | Campus self-service printer and printing method |
| CN110936726A (en) * | 2019-12-04 | 2020-03-31 | 深圳市格致微芯科技有限责任公司 | Novel self-driven thermal printing head |
| CN113400813A (en) * | 2021-06-17 | 2021-09-17 | 浙江汇诚汇捷影像数码科技有限公司 | Control system of medical thermosensitive film printer |
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| WO2014071674A1 (en) * | 2012-11-09 | 2014-05-15 | 联合汽车电子有限公司 | Direct-current isolation buck convertor and bus voltage detection circuit thereof |
| WO2015032126A1 (en) * | 2013-09-09 | 2015-03-12 | 惠州市蓝微电子有限公司 | Electric tool control circuit |
| CN105620060A (en) * | 2015-12-17 | 2016-06-01 | 长安大学 | Printer control circuit |
| CN106292434A (en) * | 2016-08-19 | 2017-01-04 | 东风汽车公司 | A kind of watchdog circuit for automobile electronic controller |
| CN106394020A (en) * | 2016-11-22 | 2017-02-15 | 重庆品胜科技有限公司 | Paper cutting circuit for portable label printing machine and working method thereof |
| CN106394024A (en) * | 2016-11-22 | 2017-02-15 | 重庆品胜科技有限公司 | Power supply circuit system for portable label printer and working method thereof |
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| CN207072183U (en) * | 2017-07-26 | 2018-03-06 | 珠海浩盛标签打印机有限公司 | Thermal printer |
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| CN209718957U (en) * | 2018-12-26 | 2019-12-03 | 深圳市美松智能设备有限公司 | A kind of hardware system of printer |
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