CN205970404U - Thermal printer - Google Patents
Thermal printer Download PDFInfo
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- CN205970404U CN205970404U CN201620926680.4U CN201620926680U CN205970404U CN 205970404 U CN205970404 U CN 205970404U CN 201620926680 U CN201620926680 U CN 201620926680U CN 205970404 U CN205970404 U CN 205970404U
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Abstract
The utility model discloses a thermal printer, upper cover subassembly, printer engine, lower cover subassembly, mainboard and bottom plate including the top -down setting, printer engine includes lower of the printer core seat of honour and printer core, printer core installs at the seat of honour in the upper cover subassembly, lower of printer core installs in the lower cover subassembly, install thermal printing head in the printer core seat of honour, the mainboard sets up on the bottom plate, is equipped with the static electricity discharge circuit in the mainboard, thermal printing head's the output and the input of static electricity discharge circuit are connected. The utility model discloses add the static electricity discharge circuit, can fall the static electricity discharge of thermal printing head accumulation, the life who has just prolonged thermal printing head reliable more. The utility model discloses but wide application in printing field.
Description
Technical field
This utility model is related to printing field, especially a kind of thermal printer.
Background technology
Due to having, speed is fast, noise is low, and it is clear to print, and the advantages of easy to use, thermal printer is subject to more and more
The favor of businessman is particularly more extensive in sector applications such as logistics, food and drink, bank, supermarket and express deliveries.Thermal printer is usual
There is a casing, a movement is installed in casing, movement includes print head structure and support, and printhead is arranged on
The top of support, printhead is arranged on the lower section of casing, and printhead side is provided with heat-sensitive sheet, for thermal printing paper is heated,
Make to be formed word and pattern on printing paper.
On printhead, rubber rollers are installed, and in printhead, are provided with a motor, motor passes through drive mechanism（As driving cog
Wheel etc.）Drive rubber rollers rotation.45 degree of angles of rubber rollers are arranged to heat-sensitive sheet.
Form paper feed passage, rubber rollers and heat-sensitive sheet clamp thermal printing paper, when printing paper is worn between printhead and casing
When crossing paper feed passage, rubber rollers rotate, and drive printing paper to move by frictional force, thus promoting printing paper to advance.
Some thermal printers existing（As label machine）It is additionally operable to print the printing paper with label paper, label paper
It is attached on the printing paper of a roll of strip, special film is covered with label paper, heat-sensitive sheet passes through this film of heating can be in label
Word and pattern are formed on paper.
The thermal printing head of thermal printer is more sensitive to electrostatic.However, the thermal printer circulating on the market at present
Major part does not possess the function of Electro-static Driven Comb it is impossible to the Electro-static Driven Comb accumulating thermal printing head falls, easily because of electrostatic interaction
Cause thermal printing head to break down or damage, service life that is less reliable and shortening thermal printing head.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is：A kind of reliable and thermal printing head use is provided
The thermal printer of life-span length.
Technical solution adopted in the utility model is：
A kind of thermal printer, including the cover assembly arranging from top to bottom, printer engine, lower cover component, mainboard and
Base plate, described printer engine includes seat under the printer core seat of honour and printer core, and the described printer core seat of honour is installed on lid
In assembly, under described printer core, seat is installed in lower cover component, is provided with thermal printing head, institute in the described printer core seat of honour
State mainboard to be arranged on base plate, in described mainboard, be provided with static release circuit, the outfan of described thermal printing head and electrostatic are released
The input on electric discharge road connects.
Further, the described printer core seat of honour is additionally provided with Electro-static Driven Comb line, and under described printer core, seat is provided with motor, described
Motor is connected with mainboard, and described thermal printing head is connected with static release circuit by Electro-static Driven Comb line.
Further, described mainboard also includes main control chip, motor-drive circuit, overheating detection circuit, LED and buzzing
Device, described thermal printing head is connected with main control chip, the input of described overheating detection circuit and the outfan of thermal printing head
Connect, the outfan of described overheating detection circuit is connected with the input of main control chip, the outfan of described main control chip is respectively
Be connected with the input of the input of motor-drive circuit, the input of LED and buzzer, described motor-drive circuit defeated
Go out end to be connected with the input of motor.
Further, described mainboard also includes power supply and electric power management circuit, the outfan of described power supply and power management electricity
The input on road connects, and described electric power management circuit is connected with thermal printing head and main control chip respectively, described Electro-static Driven Comb electricity
The outfan on road is connected with the ground connection input of power supply.
Further, the described printer core seat of honour is also equipped with infrared transmitting tube, under described printer core seat be also equipped with red
Outer reception pipe, the position of described infrared receiving tube is relative with the position of infrared transmitting tube, described have infrared receiving tube also with master control
Chip connects.
Further, be additionally provided with the described printer core seat of honour printhead fixing axle, printing head support part, printhead fixed plate and
Thermal printing head is fixed on printing head support part for printhead keyset, described printhead fixing axle and printhead fixed plate, institute
State thermal printing head and the centre of printhead fixing axle is additionally provided with printhead stage clip, described printhead keyset and infrared transmitting tube
Connect.
Further, described cover assembly includes upper cover shell, upper lid inner shell, button, keypad, upper lid torsion spring and torsion spring
Seat, described button is arranged on upper cover shell, and described upper lid inner shell, keypad, upper lid torsion spring and torsion spring seat are installed in lid
The inside of shell, described upper lid torsion spring is also arranged on torsion spring seat, and described button is also connected with keypad and main control chip respectively
Connect.
Further, described lower cover component include printing paper spool, lower cover stage clip, lower cover press spring base, upper lid fixed seat and on
Lid limit base, described lower cover stage clip is installed in lower cover press spring base, and cover assembly is fixed on lower cover group by described upper lid fixed seat
On part.
Further, reflection light barrier and photocell fixed seat are also included, described reflection light barrier faces lower cover group
The exit slot of part is simultaneously arranged in photocell fixed seat, and described reflection light barrier is also connected with main control chip.
Further, under described printer core, the side of seat is also equipped with leaf switch or microswitch, described leaf switch
Or microswitch is connected with main control chip.
The beneficial effects of the utility model are：Including cover assembly, printer engine, lower cover component, mainboard and base plate, beat
Print machine movement includes seat under the printer core seat of honour and printer core, is provided with thermal printing head, in mainboard in the printer core seat of honour
It is provided with static release circuit, is additionally arranged static release circuit, the Electro-static Driven Comb that thermal printing head is accumulated can be fallen, it is to avoid electrostatic
The impact to thermal printing head for the effect, service life that is relatively reliable and extending thermal printing head.Further, thermal printing head
The seat of honour is provided with infrared transmitting tube, and under printer core, seat is provided with infrared receiving tube, can pass through infrared receiving tube and main control chip
Cooperation automatically read label paper disconnected every position and quantity, convenient and comprehensive.Further, also include reflection light barrier
With photocell fixed seat, main control chip can be coordinated to read the paper status of exit slot, prevent printer paper-out.
Brief description
Fig. 1 is a kind of whole machine explosive view of thermal printer of this utility model；
Fig. 2 is the explosive view at this utility model cover assembly and the printer core seat of honour；
Fig. 3 is a kind of circuit structure block diagram of thermal printer of this utility model.
Specific embodiment
With reference to Fig. 1,2 and 3, a kind of thermal printer, including the cover assembly 16 arranging from top to bottom, printer engine,
Lower cover component 33, mainboard 37 and base plate 34, described printer engine includes seat 40 under the printer core seat of honour 43 and printer core, institute
State the printer core seat of honour 43 to be installed in cover assembly 16, under described printer core, seat 40 is installed in lower cover component 33, described
Thermal printing head 26 is installed in the printer core seat of honour 43, described mainboard 37 arranges on the bottom sheet 34, is provided with described mainboard 37
Static release circuit, the described outfan of thermal printing head 26 is connected with the input of static release circuit.
With reference to Fig. 1,2 and 3, it is further used as preferred embodiment, the described printer core seat of honour 43 is additionally provided with electrostatic and releases
Unwrapping wire 50, under described printer core, seat 40 is provided with motor, and described motor is connected with mainboard 37, and described motor is connected with mainboard 37,
Described thermal printing head 26 is connected with static release circuit by Electro-static Driven Comb line 50.
With reference to Fig. 3, be further used as preferred embodiment, described mainboard also include main control chip, motor-drive circuit,
Overheating detection circuit, LED and buzzer, described thermal printing head is connected with main control chip, described overheating detection circuit defeated
Enter end to be connected with the outfan of thermal printing head, the outfan of described overheating detection circuit is connected with the input of main control chip,
The outfan of the described main control chip input with the input of motor-drive circuit, the input of LED and buzzer respectively
Connect, the outfan of described motor-drive circuit is connected with the input of motor.
With reference to Fig. 3, it is further used as preferred embodiment, described mainboard also includes power supply and electric power management circuit, institute
The input of the outfan and electric power management circuit of stating power supply is connected, described electric power management circuit respectively with thermal printing head and master
Control chip connects, and the outfan of described static release circuit is connected with the ground connection input of power supply.
With reference to Fig. 1,2 and 3, it is further used as preferred embodiment, the described printer core seat of honour 43 is also equipped with infrared
Transmitting tube 23, under described printer core, seat 40 is also equipped with infrared receiving tube, the position of described infrared receiving tube and infrared emission
Relatively, described have infrared receiving tube to be also connected with main control chip for the position of pipe 23.
With reference to Fig. 1,2 and 3, it is further used as preferred embodiment, in the described printer core seat of honour 43, is additionally provided with printing
Head fixing axle 22, printing head support part 21, printhead fixed plate 28 and printhead keyset 20, described printhead fixing axle 22 and beating
Thermal printing head 26 is fixed on printing head support part 21 print head fixed plate 28, described thermal printing head 26 and printhead fixing axle
22 centre is additionally provided with printhead stage clip 27, and described printhead keyset 20 is connected with infrared transmitting tube 23.
With reference to Fig. 1,2 and 3, be further used as preferred embodiment, described cover assembly 16 include upper cover shell 17, on
Lid inner shell 25, button 19, keypad 11, upper lid torsion spring 18 and torsion spring seat 32, described button 19 is arranged on upper cover shell 17, institute
State the inside that lid inner shell 25, keypad 11, upper lid torsion spring 18 and torsion spring seat 32 are installed in upper cover shell 17, described upper lid is turned round
Spring 18 is also arranged on torsion spring seat 32, and described button 19 is also connected with keypad 11 and main control chip respectively.
With reference to Fig. 1,2 and 3, be further used as preferred embodiment, described lower cover component 33 include printing paper spool 8,
Lower cover stage clip 9, lower cover press spring base 7, upper lid fixed seat 6 and upper lid limit base 30, described lower cover stage clip 9 is installed on lower cover press spring base
In 7, cover assembly 16 is fixed in lower cover component 33 described upper lid fixed seat 6.
With reference to Fig. 1,2 and 3, it is further used as preferred embodiment, also include reflection light barrier 38 and photocell is solid
Reservation 39, described reflection light barrier 38 faces the exit slot of lower cover component 33 and is arranged in photocell fixed seat 39, institute
State reflection light barrier 38 to be also connected with main control chip.
With reference to Fig. 1,2 and 3, it is further used as preferred embodiment, under described printer core, the side of seat 40 is also installed
There are leaf switch or microswitch, described leaf switch or microswitch are connected with main control chip.
With reference to Figure of description and specific embodiment, this utility model is further explained and illustrates.
Embodiment one
With reference to Fig. 1,2 and 3, first embodiment of the present utility model：
The problem brought because not possessing Electro-static Driven Comb function for prior art, the utility model proposes a kind of brand-new
Thermal printer.As shown in figure 1, this thermal printer mainly include cover assembly 16, printer engine, lower cover component 33,
Mainboard 37 and base plate 34.Printer engine of the present utility model employs split-type structural, including the printer core seat of honour 43 with beat
This two parts of seat 40 under print movement.
As shown in Fig. 2 cover assembly 16 mainly include upper cover shell 17, upper lid inner shell 25, button 19, keypad 11, on
Lid torsion spring 18 and torsion spring seat 32.Wherein, button 19 is arranged on upper cover shell 17, the master control core with keypad 11 and mainboard 37
Piece connects, for selecting the working condition of printer by the break-make of power supply.Upper lid torsion spring 18 is installed on torsion spring seat 32, acts primarily as
Cushioning effect, can reduce the speed that cover assembly 16 pops up.
As shown in Fig. 2 the printer core seat of honour 43 mainly includes thermal printing head 26, printing head support part 21, infrared transmitting tube
23rd, infrared emission base 24, printhead fixing axle 22, printhead fixed plate 28, printhead stage clip 27, printhead keyset 20,
Screw 29 and Electro-static Driven Comb line 50.Wherein, thermal printing head 26, for heating thermal printing paper, make to be formed literary composition on printing paper
Word and pattern.Printing head support part 21, is used for fixing thermal printing head 26.Infrared transmitting tube 23, for launching infrared light.Infrared
Penetrate pipe 23 to be arranged on infrared emission base 24.Printhead fixing axle 22 and printhead fixed plate 28, for by thermal printing head
26 are fixed on printing head support part 21.Printhead stage clip 27, for adjusting between thermal printing head 26 and printhead fixing axle 22
Distance.Printhead keyset 20, for realizing the connecting line of infrared transmitting tube 23 and the switching of movement external connection line.Print
Head keyset 20 is fixed on printing head support part 21 by screw 29.Electro-static Driven Comb line 50, for by thermal printing head 26
Unnecessary Electro-static Driven Comb is gone out.
And seat 40 mainly includes infrared receiving tube, motor, paper feed rubber roll shaft and leaf switch or micro- under printer core
Dynamic switch.Motor drives the rotation of paper feed rubber roll shaft by drive mechanism, and then drives thermal printing paper forward by frictional force
Mobile.Infrared receiving tube, for receiving the infrared signal that infrared transmitting tube 23 sends, and is sent to mainboard 37.Leaf switch
Or microswitch, be arranged on the side of seat 40 under printer core, for detect the printer core seat of honour 43 whether with printer core under
Seat 40 is combined.
As illustrated in fig. 1 and 2, lower cover component 33 mainly includes printing paper spool 8, lower cover stage clip 9, lower cover press spring base 7, Shang Gai
Fixed seat 6, upper lid limit base 30 and spring base pressing plate 42.Wherein, printing paper spool 8, is used for fixing printing paper.Upper lid limit base
30, for limiting angle and the fixed cover assembly 16 that cover assembly 16 is opened.Lower cover stage clip 9 is installed in lower cover press spring base 7,
Lower cover press spring base 7 is arranged on spring base pressing plate 42.When lower cover stage clip 9 pops up, can be driven by upper lid limit base 30
Cap assemblies 16 pop up.Upper lid fixed seat 6, for being fixed on lower cover component 33 by cover assembly 16.And face lower cover
It is additionally provided with reflection light barrier 38 and photocell fixed seat 39 at the exit slot of assembly 33.Reflection light barrier 38 is arranged on photoelectricity
In pipe fixed seat 39, and coordinate the state of the main control chip detection paper outlet paper of mainboard 37.
As shown in figure 3, mainboard 37 mainly includes main control chip, motor-drive circuit, overheating detection circuit, LED and honeybee
Ring device, static release circuit, power supply and electric power management circuit.Wherein, main control chip is the control core of mainboard 37, plans as a whole to print
All control operations of machine, including thermal printing head control, motor control, button detection, thermal printing head temperature alarm, paper delivery
The detection of mouthful paper status, read the disconnected of label paper and upload every position and quantity, data etc..Although main control chip is related to data processing
Process, but it can be using existing MCU or DSP process chip realizing.Motor-drive circuit, for according to main control chip
Control signal motor works.Overheating detection circuit, for detecting the temperature of thermal printing head, it can adopt temperature sensor
To realize.LED, for indicating the working condition of printer according to the control signal of main control chip, includes whether indicating power supply
Connect and whether thermal printer is overheated etc..Buzzer, for carrying out buzz alarm when thermal printing head is overheated.Power supply
And electric power management circuit, for 220V civil power being converted to the signal of telecommunication needed for thermal printing head and main control chip, think heat
Quick printhead and main control chip are powered.Power supply is provided with ground wire, and electric power management circuit can be come using existing voltage stabilizing chip
Realize.Static release circuit, for falling the Electro-static Driven Comb of thermal printing head.When implementing, static release circuit can adopt
Existing static release circuit（As the ball bearing made being made up of the resistance being connected to power ground）To realize.
The main process of realizing of this utility model thermal printer includes：
（1）The working condition detection process of thermal printer.
User by the break-make by key control power supply, and can coordinate main control chip, and working condition is passed through LED by printer
Lamp indicates.
（2）Thermal printing head overheating detection and prealarming process.
When thermal printing head is overheated, main control chip triggers temperature alarm control according to the real time detection signal of overheating detection circuit
Signal processed, controls LED or buzzer to be alerted, reminds the timely power-off of user, prevents thermal printing head from damaging.
（3）Automatically read label paper to break to realize every position positioning and to judge number of labels process.
Label machine can use the double-deck printing paper being made up of basic unit's printing paper and label paper, wherein, label when printing
Paper can not pass through infrared light, and basic unit's printing paper can pass through infrared light.The disconnected of label paper only has one layer of basic unit's printing paper every position.
Based on theory above, this utility model can coordinate main control chip, according to the infrared receiving tube of seat under printer core
Can receive infrared light automatically to read label paper break every position：Each label paper disconnected at position, infrared receiving tube
Infrared light can be received；And the other positions in label paper, infrared receiving tube can not receive infrared light.And two label papers
Disconnected have 1 label paper between position, therefore, it can judge number of labels by the disconnected of label paper every total number of positions amount.
（4）The paper status detection process of exit slot.
This utility model is provided with reflection light barrier at the exit slot of lower cover component facing, if reflection light barrier energy
Receive the optical signal reflecting, then show to have paper at exit slot；If reflection light barrier cannot receive and to reflect
Optical signal, shows at exit slot no paper.Therefore this utility model can coordinate main control chip to complete paper delivery by reflection light barrier
The paper status detection of mouth, prevents printer paper-out.
It is more than that preferable enforcement of the present utility model is illustrated, but this utility model is not limited to described reality
Apply example, those of ordinary skill in the art also can make a variety of equivalent changes without prejudice on the premise of this utility model spirit
Shape or replacement, these equivalent deformation or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of thermal printer it is characterised in that：Including the cover assembly arranging from top to bottom, printer engine, lower cover group
Part, mainboard and base plate, described printer engine includes seat under the printer core seat of honour and printer core, described printer core seat of honour peace
It is loaded in cover assembly, under described printer core, seat is installed in lower cover component, in the described printer core seat of honour, temperature-sensitive is installed
Printhead, described mainboard is arranged on base plate, is provided with static release circuit, the outfan of described thermal printing head in described mainboard
It is connected with the input of static release circuit.
2. a kind of thermal printer according to claim 1 it is characterised in that：The described printer core seat of honour is additionally provided with electrostatic
Cable release, under described printer core, seat is provided with motor, and described motor is connected with mainboard, and described thermal printing head passes through Electro-static Driven Comb
Line is connected with static release circuit.
3. a kind of thermal printer according to claim 2 it is characterised in that：Described mainboard also includes main control chip, electricity
Drive circuit, overheating detection circuit, LED and buzzer, described thermal printing head is connected with main control chip, described overheated inspection
The input of slowdown monitoring circuit is connected with the outfan of thermal printing head, and the outfan of described overheating detection circuit is defeated with main control chip
Enter end to connect, the outfan of described main control chip respectively with the input of motor-drive circuit, the input of LED and buzzer
Input connect, the outfan of described motor-drive circuit is connected with the input of motor.
4. a kind of thermal printer according to claim 3 it is characterised in that：Described mainboard also includes power supply and power supply pipe
Reason circuit, the outfan of described power supply is connected with the input of electric power management circuit, described electric power management circuit respectively with temperature-sensitive
Printhead and main control chip connect, and the outfan of described static release circuit is connected with the ground connection input of power supply.
5. a kind of thermal printer according to claim 3 it is characterised in that：The described printer core seat of honour is also equipped with red
Emission pipe, under described printer core, seat is also equipped with infrared receiving tube, the position of described infrared receiving tube and infrared transmitting tube
Position relatively, described have infrared receiving tube to be also connected with main control chip.
6. a kind of thermal printer according to claim 5 it is characterised in that：It is additionally provided with the described printer core seat of honour and beat
Print head fixing axle, printing head support part, printhead fixed plate and printhead keyset, described printhead fixing axle and printhead are fixed
Thermal printing head is fixed on printing head support part plate, and the centre of described thermal printing head and printhead fixing axle is additionally provided with printing
Head stage clip, described printhead keyset is connected with infrared transmitting tube.
7. a kind of thermal printer according to claim 3 it is characterised in that：Described cover assembly include upper cover shell,
Upper lid inner shell, button, keypad, upper lid torsion spring and torsion spring seat, described button is arranged on upper cover shell, described upper lid inner shell,
Keypad, upper lid torsion spring and torsion spring seat are installed in the inside of upper cover shell, and described upper lid torsion spring is also arranged on torsion spring seat, institute
State button to be also connected with keypad and main control chip respectively.
8. a kind of thermal printer according to any one of claim 1-7 it is characterised in that：Described lower cover component includes beating
Printing paper spool, lower cover stage clip, lower cover press spring base, upper lid fixed seat and upper lid limit base, described lower cover stage clip is installed on lower cover pressure
In spring abutment, cover assembly is fixed in lower cover component described upper lid fixed seat.
9. a kind of thermal printer according to any one of claim 3-7 it is characterised in that：Also include reflection light barrier
With photocell fixed seat, described reflection light barrier faces the exit slot of lower cover component and is arranged in photocell fixed seat,
Described reflection light barrier is also connected with main control chip.
10. a kind of thermal printer according to any one of claim 3-7 it is characterised in that：Seat under described printer core
Side be also equipped with leaf switch or microswitch, described leaf switch or microswitch are connected with main control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620926680.4U CN205970404U (en) | 2016-08-23 | 2016-08-23 | Thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620926680.4U CN205970404U (en) | 2016-08-23 | 2016-08-23 | Thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205970404U true CN205970404U (en) | 2017-02-22 |
Family
ID=58033147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620926680.4U Active CN205970404U (en) | 2016-08-23 | 2016-08-23 | Thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205970404U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351548A (en) * | 2017-07-13 | 2017-11-17 | 厦门吉瑞普电子科技有限公司 | Thermal label printing paper infrared positioning device |
| CN109484037A (en) * | 2018-12-22 | 2019-03-19 | 河南奥德利数码科技有限公司 | Ribbon banner printer and control system thereof |
| CN110126475A (en) * | 2019-06-17 | 2019-08-16 | 珠海趣印科技有限公司 | A kind of high-precision thermal printer |
-
2016
- 2016-08-23 CN CN201620926680.4U patent/CN205970404U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351548A (en) * | 2017-07-13 | 2017-11-17 | 厦门吉瑞普电子科技有限公司 | Thermal label printing paper infrared positioning device |
| CN109484037A (en) * | 2018-12-22 | 2019-03-19 | 河南奥德利数码科技有限公司 | Ribbon banner printer and control system thereof |
| CN109484037B (en) * | 2018-12-22 | 2023-09-08 | 河南印都数码科技有限公司 | Ribbon banner printer and control system thereof |
| CN110126475A (en) * | 2019-06-17 | 2019-08-16 | 珠海趣印科技有限公司 | A kind of high-precision thermal printer |
| CN110126475B (en) * | 2019-06-17 | 2024-02-09 | 珠海趣印科技有限公司 | High-precision thermal printer |
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