CN202764430U - Thermal printing head - Google Patents
Thermal printing head Download PDFInfo
- Publication number
- CN202764430U CN202764430U CN201220409626.4U CN201220409626U CN202764430U CN 202764430 U CN202764430 U CN 202764430U CN 201220409626 U CN201220409626 U CN 201220409626U CN 202764430 U CN202764430 U CN 202764430U
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- printing head
- thermal printing
- temperature
- electric
- heating
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Abstract
The utility model relates to a thermal printing head, in particular to a thermal printing head provided with a self-carried thermostat. The thermal printing head is characterized in that an electric heating device and a temperature controlling device are arranged on a base of the thermal printing head, wherein the electric heating device is used for heating the whole thermal printing head and increasing the overall temperature of the thermal printing head, and the temperature controlling device is used to control the working state of the electric heating device through the real-time monitoring of the temperature of the thermal printing head so as to keep the temperature of the thermal printing head always within a needed temperature range, thereby effectively solving the problem that the temperature varies too much between a working state and a non-working state of a heating resistor body during the utilization process of the thermal printing head, and simultaneously preventing the influence of the ambient temperature on the thermal printing head. According to the utility model, the paper sticking problem encountered during the utilization process of the thermal printing head is solved; the application scope of the thermal printing head is broadened; the service life of the thermal printing head is prolonged simultaneously; and the thermal printing head is advantaged by being simple in structure and good in utilization effect.
Description
Technical field
The utility model relates to thermal printing head, particularly a kind of thermal printing head that carries thermostat.
Background technology
As everyone knows, thermal printing head comprises the substrate that is made of insulating materials, the lead electrode that forms on the substrate, lead electrode is divided into individual electrode and common electrode, the heating electric stopband along main Print direction that forms at lead electrode, individual electrode one end is connected with the heating resistor band along secondary Print direction, the other end is connected with control IC, one end of common electrode is connected with the heating electric stopband along secondary Print direction, the other end is connected with the wire pattern, the electric part of thermal printing head is by the lead electrode on the ceramic substrate, the heating electric stopband, control IC and pcb board form, pcb board is provided with thermistor, this electric part integral body sticks on the base station, base station adopts solid metal or other Heat Conduction Materials to make, during non-print state, the temperature of thermal printing head depends on the temperature of external environment condition, and thermal printing head itself does not have the function of automatically regulating self temperature.
When thermal printing head begins to print, the initial temperature of thermal printing head depends on the temperature of external environment condition, if initial temperature is lower than 10 ℃, meeting is so that the thermal printing head heat radiation is too fast, cause the initial row lettering printed unintelligible, simultaneously because initial temperature is excessively low, the temperature that reaches during the thermal printing head normal operation and the temperature difference of ambient temperature are larger, so that thermal printing head in the course of the work, the drop in temperature excessive velocities, when heat-sensitive paper contacts with high temperature heater resistive element band, the heat-sensitive paper face coat is heated and is in molten condition, and after having passed through the heating resistor band, the heat-sensitive paper surface temperature reduces rapidly, so that the heat-sensitive paper face coat solidifies rapidly, therefore and this moment, heat-sensitive paper also was in contact condition with thermal printing head, in the process that the heat-sensitive paper face coat solidifies, easily was bonded in the thermal printing head surface and can not smooth and easy paper feed, cause the sticky paper phenomenon, affect printing effect.
Simultaneously, owing to being the principle of utilizing localized hyperthermia's heating during thermal printing head work, heat is constantly to diffusion all around in the heating process, if ambient temperature is excessively low, meeting so that thermal printing head to around the diffusion heat greatly increase, so that thermal printing head reduces greatly to the efficient heat of heat-sensitive paper transmission, and then cause fully variable color of heat-sensitive paper, cause lettering unintelligible, and the heat that some printers producer transmits to paper in order to increase thermal printing head, the seal that increases simply thermal printing head adds energy, so that thermal printing head overload work, greatly reduce the service life of thermal printing head, so thermal printing head can't use normally in this low temperature environment, this has just limited the use occasion of thermal printing head.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide that a kind of print speed is fast, print quality good, long service life carry the thermostat thermal printing head.
The utility model can reach by following measure.
A kind of thermal printing head, comprise the substrate that is consisted of by insulating materials, the lead electrode that forms on the substrate, lead electrode is divided into individual electrode and common electrode, the heating electric stopband along main Print direction that forms at lead electrode, individual electrode one end is connected with the heating resistor band along secondary Print direction, the other end is connected with control IC, one end of common electrode is connected with the heating electric stopband along secondary Print direction, the other end is connected with the wire pattern, the electric part of thermal printing head is by the lead electrode on the ceramic substrate, the heating electric stopband, control IC and pcb board form, pcb board is provided with thermistor, this electric part integral body sticks on the base station, it is characterized in that being provided with electric heater unit and attemperating unit, electric heater unit is located on the base station, and electric heater unit is connected with attemperating unit through wire with thermistor, and electric heater unit is connected with power supply with attemperating unit.
Electric heater unit described in the utility model adopts electric heating tube, also can adopt electrical heating wire or semiconductor heating plate, is controlled the duty of electric heater unit by attemperating unit.
Thermistor described in the utility model is a kind of of temperature sensor, also can adopt other temperature sensor, to detect the thermal printing head bulk temperature.
Attemperating unit described in the utility model is by control chip, control signal input circuit, control signal output circuit, control chip can adopt single-chip microcomputer, control chip is according to the thermistor resistance that detects, calculate the bulk temperature of thermal printing head, compare with predefined temperature value again, and then whether control electric heater unit to thermal printhead heats by attemperating unit.
The utility model had a set-up procedure before thermal printing head begins to print, in this set-up procedure at first attemperating unit start working, whether self temperature that detects thermal printing head reaches predefined temperature, if thermal printing head self temperature does not reach predefined temperature, then electric heater unit begins heating, makes the thermal printing head bulk temperature rise to predefined temperature value; If thermal printing head self temperature has reached predefined temperature, then electric heater unit need not heating, directly etc. to be printed, because the use of this device, so that the initial temperature of thermal printing head improves, thermal printing head remains at a stationary temperature before printing, effectively removed the adverse effect of environment temperature to the thermal printing head printing effect, even in temperature is lower than 10 ℃ environment, can guarantee that also the initial row lettering of printing is clear, simultaneously because the rising of the bulk temperature of thermal printing head, reduced the difference of heating temp and the thermal printing head surface temperature of thermal printing head, delayed in the print procedure heat-sensitive paper face coat by the time of molten state to Solid Solidification, effectively improved because the too fast phenomenon that causes heat susceptible coating and thermal printing head adhesion of heat susceptible coating setting rate has been improved printing effect, prolonged the service life of thermal printing head.
The utility model can improve the initial temperature of thermal printing head, reduce the heating temp of thermal printing head and the difference of thermal printing head initial temperature, so that heating resistor band required temperature when only needing a less energy just can reach the print media color development, shortened the heat time heating time of heating resistor band, reduced the operating voltage of thermal printing head to the impact of heating resistor band, helped to improve print quality, prolonged service life.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of structured flowchart of the present utility model.
Mark among the figure: substrate 1, heating resistor band 2, common electrode 3, individual electrode 4, control IC 5, pcb board 6, base station 7, attemperating unit 8, electric heater unit 9, thermistor 10.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of thermal printing head, comprise the substrate 1 that is consisted of by insulating materials, the lead electrode that forms on the substrate 1, lead electrode is divided into individual electrode 4 and common electrode 3, the heating electric stopband 2 along main Print direction that forms at lead electrode, individual electrode 4 one ends are connected with heating resistor band 2 along secondary Print direction, the other end is connected with control IC 5, one end of common electrode 3 is connected with heating electric stopband 2 along secondary Print direction, the other end is connected with the wire pattern, the electric part of thermal printing head is by the lead electrode on the ceramic substrate, heating electric stopband 2, control IC 5 and pcb board 6 form, pcb board 6 is provided with thermistor 10, this electric part integral body sticks on the base station 7, of the present utility model being characterised in that is provided with electric heater unit 9 and attemperating unit 8, electric heater unit 9 is located on the base station 7, electric heater unit 9 can be embedded in the base station 7, also can be attached on the base station 7, attemperating unit 8 can be embedded in the base station 7 together with electric heater unit 9, also can arrange separately, heater can also be connected with thermal printing head as peripheral hardware with attemperating unit, reach identical result of use.There is heating tube generally to adopt electric heating tube in the electric heater unit 9, also can adopt electrical heating wire or semiconductor heating plate etc., controlled the duty of electric heater unit by attemperating unit, thermistor 10 is a kind of of temperature sensor, also can adopt other temperature sensor, to detect the thermal printing head bulk temperature, attemperating unit 8, electric heater unit 9, thermistor 10 is connected through wire with power supply, its annexation is same as the prior art, this does not give unnecessary details, described attemperating unit 8 is by control chip, the control signal input circuit, the control signal output circuit, control chip can adopt single-chip microcomputer, annexation between them is same as the prior art, this does not give unnecessary details, and control chip calculates the bulk temperature of thermal printing head according to the thermistor resistance that detects, compare with predefined temperature value again, and then whether control electric heater unit to thermal printhead heats by attemperating unit.
In the set-up procedure before thermal printing head begins to print, at first attemperating unit 8 is started working, detect the resistance of thermistor, whether reach predefined temperature with self temperature of determining thermal printing head, if thermal printing head self temperature does not reach predefined temperature, then electric heater unit 9 begins to be thermal printhead heats, makes the thermal printing head bulk temperature rise to predefined temperature value; If thermal printing head self temperature has reached predefined temperature, then electric heater unit 9 need not heating, and is direct etc. to be printed.
This is just so that thermal printing head remained at a stationary temperature before printing, effectively avoided the excessively low unsharp problem of initial row lettering that causes of environment temperature, simultaneously because the rising of the bulk temperature of thermal printing head, reduced the difference of heating temp and the thermal printing head surface temperature of thermal printing head, delayed in the print procedure heat-sensitive paper face coat by the time of molten state to Solid Solidification, effectively improved because the too fast phenomenon that causes heat susceptible coating and thermal printing head adhesion of heat susceptible coating setting rate has been improved printing effect.The use of this device, the heating temp of thermal printing head and the difference of thermal printing head initial temperature have been reduced, so that the heating resistor band only needs a less energy just can reach the color development temperature of print media, shortened the heat time heating time of heating resistor band, reduced the operating voltage of thermal printing head to the impact of heating resistor band, the service life of having improved thermal printing head.
Claims (3)
1. thermal printing head, comprise the substrate that is consisted of by insulating materials, the lead electrode that forms on the substrate, lead electrode is divided into individual electrode and common electrode, the heating electric stopband along main Print direction that forms at lead electrode, individual electrode one end is connected with the heating electric stopband along secondary Print direction, the other end is connected with control IC, one end of common electrode is connected with the heating electric stopband along secondary Print direction, the other end is connected with the wire pattern, the electric part of thermal printing head is by the lead electrode on the ceramic substrate, the heating electric stopband, control IC and pcb board form, pcb board is provided with thermistor, this electric part integral body sticks on the base station, it is characterized in that being provided with electric heater unit and attemperating unit, electric heater unit is located on the base station, and electric heater unit is connected with attemperating unit through wire with thermistor, and electric heater unit is connected with power supply with attemperating unit.
2. a kind of thermal printing head according to claim 1 is characterized in that electric heater unit adopts electric heating tube.
3. a kind of thermal printing head according to claim 1 is characterized in that attemperating unit is comprised of control chip, control signal input circuit, control signal output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220409626.4U CN202764430U (en) | 2012-08-18 | 2012-08-18 | Thermal printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220409626.4U CN202764430U (en) | 2012-08-18 | 2012-08-18 | Thermal printing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202764430U true CN202764430U (en) | 2013-03-06 |
Family
ID=47771027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220409626.4U Expired - Lifetime CN202764430U (en) | 2012-08-18 | 2012-08-18 | Thermal printing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202764430U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107969734A (en) * | 2017-12-25 | 2018-05-01 | 珠海诗朗豪泰科技有限公司 | Electronic cigarette and its heating unit |
| CN108528053A (en) * | 2018-03-29 | 2018-09-14 | 成都狼峰电子科技有限公司 | A kind of intelligence thermal printing apparatus |
| CN110861412A (en) * | 2019-11-28 | 2020-03-06 | 湖南凯通电子有限公司 | Printer machine |
| CN111251724A (en) * | 2020-03-24 | 2020-06-09 | 山东华菱电子股份有限公司 | Rapid aging device and aging method for thick film heating resistor |
-
2012
- 2012-08-18 CN CN201220409626.4U patent/CN202764430U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107969734A (en) * | 2017-12-25 | 2018-05-01 | 珠海诗朗豪泰科技有限公司 | Electronic cigarette and its heating unit |
| CN108528053A (en) * | 2018-03-29 | 2018-09-14 | 成都狼峰电子科技有限公司 | A kind of intelligence thermal printing apparatus |
| CN110861412A (en) * | 2019-11-28 | 2020-03-06 | 湖南凯通电子有限公司 | Printer machine |
| CN111251724A (en) * | 2020-03-24 | 2020-06-09 | 山东华菱电子股份有限公司 | Rapid aging device and aging method for thick film heating resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 264209 fire road 159, hi tech District, Shandong, Weihai Patentee after: SHANDONG HUALING ELECTRONICS Co.,Ltd. Address before: 264209 fire road 159, hi tech District, Shandong, Weihai Patentee before: SHANDONG HUALING ELECTRONICS Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |