CN101596811A - A kind of energy-storing USB thermal sensitive printer - Google Patents
A kind of energy-storing USB thermal sensitive printer Download PDFInfo
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- CN101596811A CN101596811A CNA2008101662282A CN200810166228A CN101596811A CN 101596811 A CN101596811 A CN 101596811A CN A2008101662282 A CNA2008101662282 A CN A2008101662282A CN 200810166228 A CN200810166228 A CN 200810166228A CN 101596811 A CN101596811 A CN 101596811A
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Abstract
A kind of energy-storing USB thermal sensitive printer, comprise USB interface and thermal printing head, comprise respectively the control module that is connected with thermal printing head with USB interface again, it is also to comprise capacitor charging circuit, energy-storage capacitor and the capacitor discharging circuit that is connected, described USB interface power supply connects described capacitor charging circuit, and described capacitor discharging circuit connects described thermal printing head.The present invention compared with prior art has following advantage and effect: USB interface is powered to thermal printer again as print command and print data receiving port simultaneously.
Description
Technical field
The present invention relates to printer technology, specifically a kind of energy-storing USB thermal sensitive printer.
Background technology
The thermal printhead heats voltage of thermal printer is about 5V-9V, and instantaneous heating current is at 3A-10A, and the maximum supply current of the 5V power supply of USB interface has only 0.5A, and therefore general USB interface thermal printer needs power supply in addition.
Though available battery solves maximum supply current needs, too big discharge current makes the battery capacity must be very big, will increase the thermal printer manufacturing cost like this.
The energy-storage capacitor that has charged is a kind of electronic component that tens Ampere currents can be provided in moment, can solve the needs of instantaneous large-current power supply by energy-storage capacitor.
Summary of the invention
The object of the present invention is to provide a kind of energy-storing USB thermal sensitive printer that uses the USB interface power supply.
Adopt following technical scheme for reaching the present invention: a kind of energy-storing USB thermal sensitive printer, comprise USB interface and thermal printing head and casing, comprise respectively the control module that is connected with thermal printing head with USB interface again, it is also to comprise capacitor charging circuit, energy-storage capacitor and the capacitor discharging circuit that is connected, described USB interface power supply connects described capacitor charging circuit, and described capacitor discharging circuit connects described thermal printing head.
A kind of energy-storing USB thermal sensitive printer includes the temperature-sensitive element that connects described control module, and it is that described control module also includes intelligent timing thermophilic device.
A kind of energy-storing USB thermal sensitive printer, described control module connects capacitor discharging circuit, also includes the temperature-sensitive element that connects described control module, and it is that described control module also includes intelligent pressure regulating thermophilic device.
A kind of energy-storing USB thermal sensitive printer, it is that described control module also includes the intelligent packet heater.
A kind of energy-storing USB thermal sensitive printer, comprise USB interface and thermal printing head and casing, it is also to include battery and the battery charger that is connected, and voltage is that the interface power supply of 5V connects described battery charger in the described USB interface terminal, and described battery connects capacitor charging circuit.
A kind of energy-storing USB thermal sensitive printer, it is that described energy-storage capacitor capacity is 1F to 200F.
A kind of energy-storing USB thermal sensitive printer, it is that described energy-storage capacitor charging voltage is 1.1V to 7.5V.
A kind of energy-storing USB thermal sensitive printer, it is also to comprise unpack interface and unpacking power supply circuits and gauge tap, described gauge tap is link control module, described unpacking power supply circuits and described unpacking interface respectively, and described unpacking power supply circuits connect described energy-storage capacitor or one of described battery or described USB interface power supply.
The present invention compared with prior art has following advantage and effect: USB interface is as print command and print data receiving port, again simultaneously to the thermal printer power supply, so use more convenient.
Description of drawings:
Fig. 1 is the energy-storing USB thermal sensitive printer block diagram;
Fig. 2 is the 2nd kind of power supply mode block diagram of printer;
Fig. 3 is the 3rd kind of power supply mode block diagram of printer;
Fig. 4 is a control module one-chip computer dedicated program flow chart;
Fig. 5 is the control module one-chip computer dedicated program flow chart that contains intelligent timing thermophilic device;
Fig. 6 is the control module one-chip computer dedicated program flow chart that contains intelligent pressure regulating thermophilic device;
Fig. 7 is the control module one-chip computer dedicated program flow chart that contains the intelligent packet heater;
Fig. 8 is the thermal printer block diagram that contains the control module of intelligent packet heater;
Fig. 9 is to use LTC3780 to make the physical circuit figure of switching mode DC/DC charging converter.
The specific embodiment
Below the invention will be further described.
Fig. 1 is a USB interface energy storage type thermal printer block diagram of the present invention, according to the present invention, a kind of USB interface energy storage type thermal printer, comprise USB interface and thermal printing head, comprise respectively the control module that is connected with thermal printing head with USB interface again, it is also to comprise capacitor charging circuit, energy-storage capacitor and the capacitor discharging circuit that is connected, and described capacitor charging circuit connects described USB interface power supply, and described capacitor discharging circuit connects described thermal printing head.
The usb data interface be connected with control module print the instruction and print data communication; Control module is connected with thermal printing head and prints driving.
The 1st kind of power supply mode of printer seen Fig. 1, and the power supply of USB interface provides about 5V working power to thermal printing head, control module, capacitor charging circuit; The power supply of USB interface to the capacitor charging circuit power supply, is charged to energy-storage capacitor by capacitor charging circuit again, provides about 7.5V heating power supply by capacitor discharging circuit to thermal printing head again.
The 2nd kind of power supply mode of printer seen Fig. 2, the power supply of USB interface is powered to capacitor charging circuit, charge to energy-storage capacitor by capacitor charging circuit, provide power supply by capacitor discharging circuit to thermal printing head, control module again, provide heating power supply to thermal printing head again.Also can produce 5V working power and 7.5V heating power supply simultaneously by capacitor discharging circuit.
The 3rd kind of power supply mode of printer seen Fig. 3, the power supply of USB interface charges to chargeable battery through battery charger, charge to energy-storage capacitor through capacitor charging circuit by chargeable battery again, provide 5V power supply via capacitor discharging circuit to thermal printing head, control module again, provide 7.5V heating power supply to thermal printing head again.
Control module: this module is made up of program in one-chip computer with usb communication interface and the holder thereof etc., the USB interface communication process and the print processing that are contained are realized by corresponding dedicated program, see dedicated program flow chart 4, the function that this dedicated program is realized is:
1. print command and the data that USB interface is sent here are analyzed and are handled;
2. drive thermal printing head work;
3. the unpacking instruction driving gauge tap of sending here according to USB interface send and establishes case (non-indispensable function) by cable.
Thermal printer environment temperature during normal use is generally at 15 ℃ to 35 ℃, and is generally 0.5mS to 5mS heat time heating time.If printer can will be best according to the heat time heating time of heat-sensitive paper temperature intelligent adjustment thermal head in operating ambient temperature or the printer.
Intelligence timing thermophilic device: intelligent timing thermophilic device is actual to be by the one-chip computer thermometric in the control module and to add the thermal control dedicated program and realize, A/D function that one-chip computer has and temperature-sensitive element (for example thermistor) are realized temperature detection, reduce heat time heating time when the temperature that described control module detects is high, and when the temperature that detects is low, increase heat time heating time, one-chip computer also contains the USB interface communication process and print processing is realized by corresponding dedicated program, see dedicated program flow chart 5, the function that this dedicated program is realized is:
1. print command and the data that USB interface is sent here are analyzed and are handled;
2. temperature detection;
3. adjust heat time heating time according to temperature detection result;
4. drive thermal printing head work;
5. the unpacking instruction driving gauge tap of sending here according to USB interface send and establishes case (non-indispensable function) by cable.
The another kind of control mode of intelligence thermophilic device is for using intelligent pressure regulating thermophilic device: see Fig. 3, described control module connects the heating power supply voltage of described capacitor discharging circuit and control generation, described control module detects temperature and reduces heating power supply voltage when high, and increases heating power supply voltage when the temperature that detects is low.The adjustment of heating power supply voltage is to be realized by the supply voltage of the output control capacitance discharge circuit of one-chip computer (concrete method is reference voltage or the output sampling voltage of adjusting in the DC/DC translation circuit), in this mode, intelligent pressure regulating thermophilic device is actual to be to be realized by one-chip computer thermometric in the control module and heating power supply Control of Voltage dedicated program, USB interface communication process and print processing that one-chip computer also contains are realized by corresponding dedicated program, see dedicated program flow chart 6, the function that this dedicated program is realized is:
1. print command and the data that USB interface is sent are analyzed and are handled;
2. temperature detection;
3. adjust heating power supply voltage according to temperature detection result;
4. drive thermal printing head work;
5. the unpacking instruction driving gauge tap of sending here according to USB interface send and establishes case (non-indispensable function) by cable.
For the heating current that prevents that thermal printing head is excessive, generally the heating electrode with delegation is divided into 2 to 6 sections, but adopt every segment electrode timesharing powered up is increased the thermal printing time, and it is unfavorable to using that the time-write interval increases, when being divided into 6 sections of powering up, increase by 500 every capable heat time heating time; Electrode segment maximum current at most is just little, but total heat time heating time is just long.Hot spot quantity in the practicality in the most applications next line can be not a lot, and reasonable solution is that the hot spot quantity when delegation adopts the many group heating of branchs for a long time, the once heating of after a little while adopting few grouping to heat or do not divide Group in hot spot quantity.It will be best further adopting the intelligent packet heater to heat when grouping.Intelligent packet handle to be exactly grouping to be made up in each segmentation not exceeding under the maximum heating number of spots condition, makes timesharing heating number minimum.Basic packet transaction step is:
1. hot spot quantity P when presetting maximum the permission;
2. (for example 6 the descending discharge of segmentation hot spot quantity A, B, C, D, E, F add up the hot spot quantity of each heating segmentation respectively and sort;
3. get maximum number and residue maximum number addition (for example A+B) earlier, change during greater than P and next residue maximum number addition (for example A+C); If less than P then keep addition number, so go on and find out the 1st grouping that is segmented into that is not more than P after the addition again with the addition of unworn residue maximum number (for example A+B+C);
4. the 2nd segmentation of dividing into groups is found out with reference to the method for step 3 in the segmentation ordering back that will not be the 1st grouping;
5. find out the segmentation of all the other groupings with reference to the method for step 4.
6. the timesharing heating is adopted in each grouping.
The intelligent packet heater: the intelligent packet heater is actual to be that one-chip computer grouping in the control module adds the thermal control dedicated program and realizes, one-chip computer also contains the USB interface communication process and print processing is realized by corresponding dedicated program, see dedicated program flow chart 7, the function that this dedicated program is realized is:
1. print command and the data that USB interface is sent here are analyzed and are handled;
2. intelligent packet is handled;
3. drive thermal printing head work;
4. the unpacking instruction driving gauge tap of sending here according to USB interface send and establishes case (non-indispensable function) by cable.
Fig. 8 is the printer block diagram that contains the intelligent packet heater.
Accumulator is to be connected to form by storage capacitor charging circuit, energy-storage capacitor, storage capacitor discharge circuit.Capacitor charging circuit adopts switching mode DC/DC converter to charge to energy-storage capacitor, and switching mode DC/DC charging converter is specifically seen the LTC3780 of Linear Techn Inc. service manual and Fig. 9; The energy-storage capacitor capacity is selected in 1F to 200F, is generally 20F; The storage capacitor charging voltage is selected in 1.1V to 7.5V, is generally 2.7V; Capacitor discharging circuit employing switching mode DC/DC converter boosts the dc source on the energy-storage capacitor and is the thermal printhead heats power supply, and is selected in 5V to 9V, is generally 7.5V.
Thermal printer is usually used in the bill printing of commercial cashing machine, and the cash box of commercial cashing machine is generally made the power supply of unpacking with 12V.Therefore adopt switching mode DC/DC converter that the 2.7V dc source on the energy-storage capacitor is boosted and be the unpacking power supply of 12V.Accept the host command gauge tap by control module, and the power supply of will unpacking outputs to unpacking interface, see Fig. 1.The also available powered battery of unpacking power supply circuits also can be directly with the power supply of USB interface power supply.Unpacking power supply circuits also can be replaced by capacitor discharging circuit, promptly produce the unpacking power supply of 5V working power and 7.5V heating power supply and 12V simultaneously by capacitor discharging circuit.
Claims (9)
1. energy-storing USB thermal sensitive printer, comprise USB interface and thermal printing head and casing, comprise respectively the control module that is connected with thermal printing head with USB interface again, it is characterized in that also comprising the capacitor charging circuit, energy-storage capacitor and the capacitor discharging circuit that are connected, described USB interface power supply connects described capacitor charging circuit, and described capacitor discharging circuit connects described thermal printing head.
2. a kind of energy-storing USB thermal sensitive printer according to claim 1 includes the temperature-sensitive element that connects described control module, it is characterized in that described control module also includes intelligent timing thermophilic device.
3. a kind of energy-storing USB thermal sensitive printer according to claim 1 includes the temperature-sensitive element that connects described control module, it is characterized in that described control module also includes intelligent pressure regulating thermophilic device.
4. a kind of energy-storing USB thermal sensitive printer according to claim 1 is characterized in that described control module also includes the intelligent packet heater.
5. according to claim 1 or 2 or 3 or 4 described a kind of energy-storing USB thermal sensitive printers, also include the battery and the battery charger that are connected, it is characterized in that described USB interface power supply connects described battery charger, described battery connects described capacitor charging circuit.
6. according to claim 1 or 2 or 3 or 4 described a kind of energy-storing USB thermal sensitive printers, it is characterized in that described energy-storage capacitor capacity is 1F to 200F.
7. according to claim 1 or 2 or 3 or 4 described a kind of energy-storing USB thermal sensitive printers, it is characterized in that described energy-storage capacitor charging voltage is 1.1V to 7.5V.
8. according to claim 1 or 2 or 3 or 4 described a kind of energy-storing USB thermal sensitive printers, it is characterized in that also comprising unpack interface and unpacking power supply circuits and gauge tap, described gauge tap connects described control module, described unpacking interface and described unpacking power supply circuits respectively, and described unpacking power supply circuits connect described energy-storage capacitor or one of described battery or described USB interface power supply.
9. according to claim 1 or 2 or 3 or 4 described a kind of energy-storing USB thermal sensitive printers, also comprise unpack interface and unpacking power supply circuits and gauge tap, described gauge tap connects described control module, described unpacking interface and described unpacking power supply circuits respectively, described unpacking power supply circuits connect described energy-storage capacitor or one of described battery or described USB interface power supply, it is characterized in that described unpacking power supply circuits are replaced by described capacitor discharge circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101662282A CN101596811A (en) | 2008-06-03 | 2008-09-18 | A kind of energy-storing USB thermal sensitive printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810109408.7 | 2008-06-03 | ||
| CN200810109408 | 2008-06-03 | ||
| CNA2008101662282A CN101596811A (en) | 2008-06-03 | 2008-09-18 | A kind of energy-storing USB thermal sensitive printer |
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| CN101596811A true CN101596811A (en) | 2009-12-09 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935764A (en) * | 2012-11-15 | 2013-02-20 | 无锡中亚工具厂 | Real-time temperature-sensitive printing device |
| CN104309335A (en) * | 2014-10-23 | 2015-01-28 | 福建联迪商用设备有限公司 | Print control method and device of thermal printer |
| CN104309339A (en) * | 2014-10-23 | 2015-01-28 | 福建联迪商用设备有限公司 | Print control method and device of thermal printer |
| CN104494317A (en) * | 2014-11-27 | 2015-04-08 | 深圳市理邦精密仪器股份有限公司 | Apparatus and method for automatically adjusting heating time of thermo-sensitive printer |
| CN105975217A (en) * | 2015-03-13 | 2016-09-28 | 精工爱普生株式会社 | Printing device and control method of a printing device |
| CN106183486A (en) * | 2015-05-27 | 2016-12-07 | 佳能株式会社 | Control equipment and control method thereof |
| WO2017032198A1 (en) * | 2015-08-24 | 2017-03-02 | 福建联迪商用设备有限公司 | Printing control method and system for thermal printer, and electronic payment terminal |
| CN109849526A (en) * | 2018-12-29 | 2019-06-07 | 厦门汉印电子技术有限公司 | Thermal printhead heats voltage control circuit and printing device |
| CN110774789A (en) * | 2019-11-27 | 2020-02-11 | 艾体威尔电子技术(北京)有限公司 | Low-temperature printing method of thermal printer |
| CN112571972A (en) * | 2020-12-12 | 2021-03-30 | 深圳市捷诚技术服务有限公司 | Thermal printer heating control method and device and thermal printer |
| CN114312038A (en) * | 2021-04-13 | 2022-04-12 | 上海商米科技集团股份有限公司 | Power supply control system and method, printing equipment and power supply control method thereof |
-
2008
- 2008-09-18 CN CNA2008101662282A patent/CN101596811A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935764A (en) * | 2012-11-15 | 2013-02-20 | 无锡中亚工具厂 | Real-time temperature-sensitive printing device |
| CN102935764B (en) * | 2012-11-15 | 2015-08-19 | 无锡中亚工具厂 | Real-time thermal printing apparatus |
| CN104309335A (en) * | 2014-10-23 | 2015-01-28 | 福建联迪商用设备有限公司 | Print control method and device of thermal printer |
| CN104309339A (en) * | 2014-10-23 | 2015-01-28 | 福建联迪商用设备有限公司 | Print control method and device of thermal printer |
| CN104494317A (en) * | 2014-11-27 | 2015-04-08 | 深圳市理邦精密仪器股份有限公司 | Apparatus and method for automatically adjusting heating time of thermo-sensitive printer |
| CN105975217B (en) * | 2015-03-13 | 2019-04-09 | 精工爱普生株式会社 | The control method of printing equipment and printing equipment |
| CN105975217A (en) * | 2015-03-13 | 2016-09-28 | 精工爱普生株式会社 | Printing device and control method of a printing device |
| CN106183486A (en) * | 2015-05-27 | 2016-12-07 | 佳能株式会社 | Control equipment and control method thereof |
| CN106183486B (en) * | 2015-05-27 | 2019-06-18 | 佳能株式会社 | Control equipment and its control method |
| CN106183486B9 (en) * | 2015-05-27 | 2019-08-09 | 佳能株式会社 | Control equipment and its control method |
| WO2017032198A1 (en) * | 2015-08-24 | 2017-03-02 | 福建联迪商用设备有限公司 | Printing control method and system for thermal printer, and electronic payment terminal |
| CN109849526A (en) * | 2018-12-29 | 2019-06-07 | 厦门汉印电子技术有限公司 | Thermal printhead heats voltage control circuit and printing device |
| CN109849526B (en) * | 2018-12-29 | 2021-06-11 | 厦门汉印电子技术有限公司 | Heating voltage control circuit of thermal printing head and printing equipment |
| CN110774789A (en) * | 2019-11-27 | 2020-02-11 | 艾体威尔电子技术(北京)有限公司 | Low-temperature printing method of thermal printer |
| CN112571972A (en) * | 2020-12-12 | 2021-03-30 | 深圳市捷诚技术服务有限公司 | Thermal printer heating control method and device and thermal printer |
| CN114312038A (en) * | 2021-04-13 | 2022-04-12 | 上海商米科技集团股份有限公司 | Power supply control system and method, printing equipment and power supply control method thereof |
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Application publication date: 20091209 |