CN205899666U - A infrared transmission module for counting currency machine - Google Patents
A infrared transmission module for counting currency machine Download PDFInfo
- Publication number
- CN205899666U CN205899666U CN201620874986.XU CN201620874986U CN205899666U CN 205899666 U CN205899666 U CN 205899666U CN 201620874986 U CN201620874986 U CN 201620874986U CN 205899666 U CN205899666 U CN 205899666U
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- electric capacity
- resistance
- infrared
- delivery outlet
- switch
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Abstract
The utility model discloses an infrared transmission module for counting currency machine, it includes MCU host processing ware, MCU host processing utensil has more than one left side way PWM delivery outlet and more than one right side way PWM delivery outlet, and an infrared emission unit in left way is all connected to every left way PWM delivery outlet, and an infrared emission unit in right way is all connected to every right way PWM delivery outlet, a left side infrared emission unit in way and the infrared emission unit in right way adopt resistance -capacitance charge -discharge and switch triode principle for respective switch triode reaches the infrared transmitting tubes work that unsaturated output driver corresponds, thereby plays control emission current's purpose, realizes infrared reach throught voltage and receives unanimous purpose. The utility model relates to a rationally, simple structure has good market prospect and wide application space.
Description
Technical field
This utility model is related to financial relevant device field, more particularly, to a kind of infrared transmission module for paper money counter.
Background technology
On current paper money counter market is all using regulation infrared receiver, and this reception has a lot of limitation, such as not
Infrared emission electric current can be adjusted, the infrared emission electric current set time is long easy to be aging, infrared penetrate old with infrared transmitting tube
Change, infrared receiver voltage is inconsistent, and user in this case, easily report by mistake by genuine notes,
According to infrared emission mode, the infrared emission of past paper money counter, it is all to hang a resistance mode, a termination power,
One termination infrared transmitting tube, current paper money counter is all adopted in this way.Infrared receiving tube adopts adjustable resistance, receives infrared wearing
Thoroughly voltage, this reception mode will add adjustable resistance, expensive it is impossible to be controlled to adjust by software.
Content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of infrared emission mould for paper money counter
Block, according to receiving infrared reach throught voltage coherence request, the clock pulse width realizing mcu primary processor pwm automatically adjusts output, increases
Add deduct few infrared emission electric current, makes infrared tube penetrate receiving voltage stable and consistent.
The technical solution adopted in the utility model is:
A kind of infrared transmission module for paper money counter, it includes mcu primary processor, and described mcu primary processor has one
Individual above left pwm delivery outlet and more than one right wing pwm delivery outlet, each left pwm delivery outlet connects a left
Infrared emission unit, each right wing pwm delivery outlet connects a right wing infrared emission unit；
Described left infrared emission unit include first switch audion, first resistor, second resistance, the first electric capacity,
Two electric capacity and left infrared transmitting tube, left pwm delivery outlet by first resistor connect first switch audion base stage, first
The base stage of switch triode connects one end of the first electric capacity, the other end ground connection of the first electric capacity, the current collection of first switch audion
Pole is connected with a positive source, the emitter stage of first switch audion by second resistance connect respectively left infrared transmitting tube and
One end of second electric capacity, the other end ground connection of the second electric capacity；
Described right wing infrared emission unit include second switch audion, 3rd resistor, the 4th resistance, the 3rd electric capacity,
Four electric capacity and right wing infrared transmitting tube, right wing pwm delivery outlet by 3rd resistor connect second switch audion base stage, second
The base stage of switch triode connects one end of the 3rd electric capacity, the other end ground connection of the 3rd electric capacity, the current collection of second switch audion
Pole connects positive source, and the emitter stage of second switch audion connects right wing infrared transmitting tube and the 4th respectively by the 4th resistance
One end of electric capacity, the other end ground connection of the 4th electric capacity.
Further, described left pwm delivery outlet is 4, and described right wing pwm delivery outlet is 4.
Further, described mcu primary processor is single-chip microcomputer.
Further, the clock output frequency of the pwm of described mcu primary processor is up to 260khz.
Further, described first switch audion and second switch audion are all Npn triode.
Further, described first resistor is identical with the resistance of 3rd resistor, the resistance phase of second resistance and the 4th resistance
With the capacitance of the first electric capacity and the 3rd electric capacity is identical, and the capacitance of the second electric capacity and the 4th electric capacity is identical.
Further, the resistance of described first resistor and 3rd resistor is 5.1k ω, the resistance of second resistance and the 4th resistance
It is worth for 75 ω, the first electric capacity, the capacitance of the second electric capacity, the 3rd electric capacity and the 4th electric capacity are 1 μ f.
This utility model adopts above technical scheme, and the mcu primary processor on paper money counter passes through left pwm delivery outlet and the right side
Road pwm delivery outlet respectively by the control waveform of pwm pulsewidth export to more than one left infrared emission unit and one with
On right wing infrared emission unit, left infrared emission unit and right wing infrared emission unit adopt capacitance-resistance discharge and recharge and switch
Audion principle so that respective switch triode reach unsaturated output driving corresponding infrared transmitting tube work, thus rise
To the purpose controlling emission current, realize infrared reach throught voltage and receive consistent purpose.This utility model is reasonable in design, structure letter
Single, there is bright market prospects and wide application space.This utility model utilizes the pwm output pulse width of mcu primary processor to increase
Add deduct few infrared emission electric current, realizes automatically adjusting, and makes the infrared reach throught voltage of reception keep definite value constant, easy to use, and
And infra-red stabilization can be increased, greatly facilitate user in the middle of Module-embedding to the product of oneself, improve the stability of product.
Brief description
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details；
Fig. 1 is a kind of structural representation of the infrared transmission module for paper money counter of this utility model.
Specific embodiment
As shown in figure 1, this utility model discloses a kind of infrared transmission module for paper money counter, it includes mcu main process task
Device u1, described mcu primary processor u1 has more than one left pwm delivery outlet irlb_con and more than one right wing
Pwm delivery outlet irrb_con, each left pwm delivery outlet irlb_con is all connected with a left infrared emission unit, and each is right
Road pwm delivery outlet irrb_con is all connected with a right wing infrared emission unit；Pwm outlet line principle and a road due to multichannel
Pwm outlet line principle identical, for the ease of describing us to be only connected with a left infrared emission list respectively
The situation of unit and a right wing infrared emission unit illustrates.
Described left infrared emission unit includes first switch audion q1, first resistor r1, second resistance r2, the first electricity
Hold c1, the second electric capacity c2 and left infrared transmitting tube d1, left pwm delivery outlet irlb_con connects first by first resistor r1
The base stage of switch triode q1, the base stage of first switch audion q1 connects one end of the first electric capacity c1, and the first electric capacity c1's is another
One end is grounded, and the colelctor electrode of first switch audion q1 is connected with a positive source, and the emitter stage of first switch audion q1 leads to
Cross second resistance r2 and connect left infrared transmitting tube d1 and one end of the second electric capacity c2, another termination of the second electric capacity c2 respectively
Ground；
Described right wing infrared emission unit includes second switch audion q2,3rd resistor r3, the 4th resistance r4, the 3rd electricity
Hold c3, the 4th electric capacity c4 and right wing infrared transmitting tube d2, right wing pwm delivery outlet irrb_con connects second by 3rd resistor r3
The base stage of switch triode q2, the base stage of second switch audion q2 connects one end of the 3rd electric capacity c3, and the 3rd electric capacity c3's is another
One end is grounded, and the colelctor electrode of second switch audion q2 connects positive source, and the emitter stage of second switch audion q2 passes through the
Four resistance r4 connect one end of right wing infrared transmitting tube d2 and the 4th electric capacity c4, the other end ground connection of the 4th electric capacity c4 respectively.
Further, described left pwm delivery outlet is 4, and described right wing pwm delivery outlet is 4.Mcu primary processor u1
The the 0th to the 3rd pwm delivery outlet connect a left infrared emission unit respectively, the 4th to the 7th of mcu primary processor u1 the
Pwm delivery outlet connects a right wing infrared emission unit respectively, forms eight road infrared emission units.
Further, described mcu primary processor is single-chip microcomputer.
Further, the clock output frequency of the pwm of described mcu primary processor u1 is up to 260khz.
Further, described first switch audion q1 and second switch audion q2 is all Npn triode.
Further, described first resistor r1 is identical with the resistance of 3rd resistor r3, second resistance r2 and the 4th resistance r4
Resistance identical, the capacitance of the first electric capacity c1 and the 3rd electric capacity c3 is identical, and the capacitance of the second electric capacity c2 and the 4th electric capacity c4 is identical.
Further, the resistance of described first resistor r1 and 3rd resistor r3 be 5.1k ω, second resistance r2 and the 4th electricity
The resistance of resistance r4 is 75 ω, and the first electric capacity c1, the second electric capacity c2, the capacitance of the 3rd electric capacity c3 and the 4th electric capacity c4 are 1 μ f.
This practicality adopts above technical scheme, and the mcu primary processor on paper money counter passes through left pwm delivery outlet and right wing
Pwm delivery outlet respectively by the control waveform of pwm pulsewidth export to more than one left infrared emission unit and more than one
Right wing infrared emission unit, left infrared emission unit and right wing infrared emission unit adopt capacitance-resistance discharge and recharge and switch three
Pole pipe principle is so that respective switch triode reaches the work of unsaturated output driving corresponding infrared transmitting tube, thus playing
Control the purpose of emission current, realize infrared reach throught voltage and receive consistent purpose.This utility model is reasonable in design, structure letter
Single, there is bright market prospects and wide application space.This utility model utilizes the pwm output pulse width of mcu primary processor to increase
Add deduct few infrared emission electric current, realizes automatically adjusting, and makes the infrared reach throught voltage of reception keep definite value constant, easy to use, and
And infra-red stabilization can be increased, greatly facilitate user in the middle of Module-embedding to the product of oneself, improve the stability of product
This utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model
Other various forms of products, however, making any change in its shape or structure, every have same as the present application or phase
Approximate technical scheme, all falls within protection domain of the present utility model.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (7)
1. a kind of infrared transmission module for paper money counter it is characterised in that: it includes mcu primary processor, described mcu main process task
Utensil has more than one left pwm delivery outlet and more than one right wing pwm delivery outlet, and each left pwm delivery outlet connects
One left infrared emission unit, each right wing pwm delivery outlet connects a right wing infrared emission unit；
Described left infrared emission unit includes first switch audion, first resistor, second resistance, the first electric capacity, the second electricity
Hold and left infrared transmitting tube, left pwm delivery outlet connects the base stage of first switch audion, first switch by first resistor
The base stage of audion connects one end of the first electric capacity, the other end ground connection of the first electric capacity, the colelctor electrode of first switch audion with
One positive source connects, and the emitter stage of first switch audion connects left infrared transmitting tube and second respectively by second resistance
One end of electric capacity, the other end ground connection of the second electric capacity；
Described right wing infrared emission unit includes second switch audion, 3rd resistor, the 4th resistance, the 3rd electric capacity, the 4th electricity
Hold and right wing infrared transmitting tube, right wing pwm delivery outlet connects the base stage of second switch audion, second switch by 3rd resistor
The base stage of audion connects one end of the 3rd electric capacity, the other end ground connection of the 3rd electric capacity, and the colelctor electrode of second switch audion is even
Connect positive source, the emitter stage of second switch audion connects right wing infrared transmitting tube and the 4th electric capacity respectively by the 4th resistance
One end, the 4th electric capacity the other end ground connection.
2. according to claim 1 a kind of infrared transmission module for paper money counter it is characterised in that: described left pwm is defeated
Export as 4, described right wing pwm delivery outlet is 4.
3. according to claim 1 a kind of infrared transmission module for paper money counter it is characterised in that: described mcu main process task
Device is single-chip microcomputer.
4. according to claim 1 a kind of infrared transmission module for paper money counter it is characterised in that: described mcu main process task
The clock output frequency of the pwm of device is up to 260khz.
5. according to claim 1 a kind of infrared transmission module for paper money counter it is characterised in that: described first switch three
Pole pipe and second switch audion are all Npn triode.
6. according to claim 1 a kind of infrared transmission module for paper money counter it is characterised in that: described first resistor and
The resistance of 3rd resistor is identical, and second resistance is identical with the resistance of the 4th resistance, and the capacitance of the first electric capacity and the 3rd electric capacity is identical,
The capacitance of the second electric capacity and the 4th electric capacity is identical.
7. according to claim 1 or 6 a kind of infrared transmission module for paper money counter it is characterised in that: described first electricity
The resistance of resistance and 3rd resistor is 5.1k ω, and the resistance of second resistance and the 4th resistance is 75 ω, the first electric capacity, the second electric capacity,
The capacitance of the 3rd electric capacity and the 4th electric capacity is 1 μ f.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874986.XU CN205899666U (en) | 2016-08-12 | 2016-08-12 | A infrared transmission module for counting currency machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874986.XU CN205899666U (en) | 2016-08-12 | 2016-08-12 | A infrared transmission module for counting currency machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205899666U true CN205899666U (en) | 2017-01-18 |
Family
ID=57782177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620874986.XU Expired - Fee Related CN205899666U (en) | 2016-08-12 | 2016-08-12 | A infrared transmission module for counting currency machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205899666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047227A (en) * | 2019-05-29 | 2019-07-23 | 上海商米科技有限公司 | The driving method of the cash box of POS terminal and POS terminal |
| CN114220212A (en) * | 2021-11-29 | 2022-03-22 | 武汉卓目科技有限公司 | Banknote counting and detecting machine infrared pair tube calibration method and device and banknote counting and detecting machine |
-
2016
- 2016-08-12 CN CN201620874986.XU patent/CN205899666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047227A (en) * | 2019-05-29 | 2019-07-23 | 上海商米科技有限公司 | The driving method of the cash box of POS terminal and POS terminal |
| CN114220212A (en) * | 2021-11-29 | 2022-03-22 | 武汉卓目科技有限公司 | Banknote counting and detecting machine infrared pair tube calibration method and device and banknote counting and detecting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20170812 |