CN106972616A - The system and method that supplies power with double circuit of card swiping terminal supply pin in intelligent POS - Google Patents
The system and method that supplies power with double circuit of card swiping terminal supply pin in intelligent POS Download PDFInfo
- Publication number
- CN106972616A CN106972616A CN201710133546.8A CN201710133546A CN106972616A CN 106972616 A CN106972616 A CN 106972616A CN 201710133546 A CN201710133546 A CN 201710133546A CN 106972616 A CN106972616 A CN 106972616A
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- China
- Prior art keywords
- pos
- pin
- circuit
- supply pin
- power supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Sources (AREA)
Abstract
The present invention discloses a kind of system and method that supplies power with double circuit of card swiping terminal supply pin in intelligent POS, the system includes POS battery feed circuit and backup battery power supply circuit, the bank card chip of card swiping terminal is provided with supply pin, the output end of POS battery feed circuit and the output end of backup battery power supply circuit are electrically connected with supply pin, and supply pin is powered by POS battery feed circuit and backup battery power supply circuit;The output end voltage of POS battery feed circuit is more than the output end voltage of backup battery power supply circuit.The supply pin of bank card chip is preferentially chosen POS battery feed circuit and powered automatically in the present invention, and POS battery feed circuit can charge at any time, until after the electricity of POS battery feed circuit exhausts, start to power using backup battery power supply circuit, greatly the service life of extension backup battery power supply circuit.
Description
Technical field
The present invention relates to a kind of two-way confession of card swiping terminal supply pin in POS technical field, more particularly to intelligent POS
Electric system and method.
Background technology
At present, the card swiping terminal supply pin of intelligent POS is generally powered using standby button cell, and standby button cell holds
Amount is small and can not charge, after standby button cell electricity consume, can cause POS can not normal work, replacing can only be passed through
The mode of battery make POS recover normal work, operation not enough facilitate, and be easily caused POS can not normal work.
The content of the invention
For weak point present in above-mentioned technology, the present invention, which provides one kind, can extend back-up battery lifetime, not influence
The system and method that supplies power with double circuit of card swiping terminal supply pin in the intelligent POS of POS normal work.
In order to achieve the above object, in a kind of intelligent POS of the present invention card swiping terminal supply pin the system that supplies power with double circuit, bag
POS battery feed circuit and backup battery power supply circuit are included, the bank card chip of card swiping terminal is provided with supply pin, described
The output end of POS battery feed circuit and the output end of backup battery power supply circuit are electrically connected with supply pin, and the electricity
Source pin is powered by POS battery feed circuit and backup battery power supply circuit;The output end of the POS battery feed circuit
Voltage is more than the output end voltage of backup battery power supply circuit, and the bank card chip detects POS battery feed circuit
Electric quantity consumption finish after automatically switch to backup battery power supply circuit and powered to supply pin.
Wherein, the POS battery feed circuit includes charged lithium cells, linear voltage regulator, the first electric capacity, the second electricity
Appearance, the 3rd electric capacity, first resistor and the first diode, charged lithium cells one end respectively with the first electric capacity, linear voltage stabilization
The first end pin of device and one end connection of first resistor, the other end of first electric capacity and the second end pin of linear voltage regulator are equal
It is grounded after ground connection, and the 3rd end pin connection of the other end and linear voltage regulator of the first resistor;The linear voltage regulator
4th end pin is hanging, the 5th end pin of linear voltage regulator one end respectively with the second electric capacity, one end of the 3rd electric capacity and the
The positive pole connection of one diode, the other end of second electric capacity and the other end of the 3rd electric capacity are grounded, and the described 1st
The negative pole of pole pipe is connected with supply pin.
Wherein, the backup battery power supply circuit includes standby button cell and the second diode, the standby button electricity
The negative pole ground connection in pond, the positive pole of the standby button cell is connected with the positive pole of the second diode, and second diode
Negative pole is connected with supply pin.
Wherein, the output voltage of the charged lithium cells is 4.35V, the 5th end pin output voltage of the linear voltage regulator
For 3.3V, and the voltage of the standby button cell is 3.0V.
To achieve these goals, the present invention also provides a kind of supplying power with double circuit for card swiping terminal supply pin in intelligent POS
Method, comprises the following steps:
Step 1, intelligent POS start, and bank card chip detects and has in charged lithium cells and standby button cell
Electricity;
Step 2, the voltage of charged lithium cells is powered after being changed by linear voltage regulator to supply pin, until charged lithium cells
Interior electricity exhausts;
Step 3, supply pin is powered by standby button cell, until the electricity in standby button cell exhausts.
Wherein, in the step 2, if after the electricity in charged lithium cells exhausts, giving charged lithium cells charging, then supply pin
Powered by charged lithium cells.
Wherein, the method for supplying power to also includes step 4, and the step 4 is specially:After the standby button cell more renewed, newly
Standby button cell powered to supply pin.
Wherein, the output end voltage of the charged lithium cells is 4.35V, and the output end voltage of the linear voltage regulator is
3.3V, and the output voltage of the standby button cell is 3.0V.
The beneficial effects of the invention are as follows:
Compared with prior art, in intelligent POS of the invention card swiping terminal supply pin the system and method that supplies power with double circuit,
The output end of POS battery feed circuit and the output end of backup battery power supply circuit can power to supply pin, and POS electricity
The output end voltage of pond power supply circuit is more than the output end voltage of backup battery power supply circuit, therefore, is powered electricity in POS battery
In the case that road and backup battery power supply circuit have output voltage, the supply pin of bank card chip preferentially chooses POS automatically
Battery feed circuit is powered;Moreover, POS battery feed circuit can charge at any time, the only electricity in POS battery feed circuit
After road is completely depleted, just start to power using backup battery power supply circuit, so just can greatly extend backup battery powers
The service life of standby button cell in circuit, and greatly reduce exhausted because of the electricity of standby button cell after cause POS
Work abnormal problem.The system and method that supplies power with double circuit of card swiping terminal supply pin uses two in the intelligent POS of the present invention
The mode of road electric power system, effectively extends the service life of standby button cell, and effectively reduces POS because of not enough power supply
The problem of influenceing normal work.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the system that supplies power with double circuit of card swiping terminal supply pin in the intelligent POS of the present invention;
Fig. 2 is the block flow diagram of the two-way power supply method of card swiping terminal supply pin in the intelligent POS of the present invention.
Main element symbol description is as follows:
1st, POS battery feed circuit 2, backup battery power supply circuit
3rd, supply pin
11st, charged lithium cells 21, standby button cell.
Embodiment
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Refering to Fig. 1-2, the system that supplies power with double circuit of card swiping terminal supply pin in a kind of intelligent POS of the present invention, including POS
Battery feed circuit 1 and backup battery power supply circuit 2, the bank card chip of card swiping terminal are provided with supply pin 3, POS battery
The output end of power supply circuit 1 and the output end of backup battery power supply circuit 2 are electrically connected with supply pin 3, and supply pin 3 passes through
POS battery feed circuit 1 and backup battery power supply circuit 2 are powered;The output end voltage of POS battery feed circuit 1 is more than
The output end voltage of backup battery power supply circuit 2, and bank card chip detects the electric quantity consumption of POS battery feed circuit 1
Backup battery power supply circuit 2 is automatically switched to after finishing to power to supply pin 3.Bank card chip in the present case for data acquisition and
Safeguard protection chip, supply pin 3 is in the present case detaching-proof protection tamper supply pins, is bank card data collection and safeguard protection
Detaching-proof protection supply pin VMRTC on chip.
Compared with prior art, in intelligent POS of the invention card swiping terminal supply pin the system and method that supplies power with double circuit,
The output end of POS battery feed circuit 1 and the output end of backup battery power supply circuit 2 can power to supply pin 3, and POS
The output end voltage of machine battery power supply circuit 1 is more than the output end voltage of backup battery power supply circuit 2, therefore, in POS battery
In the case that power supply circuit 1 and backup battery power supply circuit 2 have output voltage, the supply pin 3 of bank card chip is automatic preferential
POS battery feed circuit 1 is chosen to power,;Moreover, POS battery feed circuit 1 can charge at any time, it is only electromechanical in POS
After the circuit of pond power supply circuit 1 is completely depleted, just start to power using backup battery power supply circuit 2, so just can be great
Extend the service life of standby button cell 21 in backup battery power supply circuit 2, and greatly reduce because of standby button cell 21
Electricity exhaust after cause POS to work abnormal problem.The two-way of card swiping terminal supply pin in the intelligent POS of the present invention
Electric power system and method extend the service life of standby button cell 21 by the way of duplex feeding system, effectively, and have
Effect reduces the problem of POS machines influence normal work because of not enough power supply.
In the present embodiment, POS battery feed circuit 1 includes charged lithium cells 11, linear voltage regulator LDO, the first electric capacity
C1, the second electric capacity C2, the 3rd electric capacity C3, first resistor R1 and the first diode D1, charged lithium cells 11 respectively with the first electric capacity
One end connection of C1 one end, linear voltage regulator LDO first end pin and first resistor R1, the first electric capacity C1 other end and line
Property voltage-stablizer LDO the second end pin is grounded, and the first resistor R1 other end is connected with linear voltage regulator LDO the 3rd end pin
After be grounded;Linear voltage regulator LDO the 4th end pin is hanging, and linear voltage regulator LDO the 5th end pin is respectively with the second electric capacity C2's
The positive pole connection of one end, the 3rd electric capacity C3 one end and the first diode D1, the second electric capacity C2 other end and the 3rd electric capacity C3
The other end be grounded, and the first diode D1 negative pole is connected with supply pin 3.Linear voltage regulator LDO model U905,
DVDD is 3.3V, i.e. the output voltage of the 5th end pin in linear voltage regulator LDO as output end pin is 3.3V, and 4.35V's fills
Electric lithium battery 11 obtains 3.3V voltages after being changed by linear voltage regulator LDO and powered to supply pin 3;NF is reserved standby electricity
Resistance.
In the present embodiment, backup battery power supply circuit 2 includes the diode D2 of standby button cell 21 and second, standby knob
The negative pole ground connection of battery 21 is detained, the positive pole of standby button cell 21 is connected with the second diode D2 positive pole, and the second diode
D2 negative pole is connected with supply pin 3.
In the present embodiment, the output voltage of charged lithium cells 11 is 4.35V, linear voltage regulator LDO the 5th end pin output
Voltage is 3.3V, and the voltage of standby button cell 21 is 3.0V.4.35V charged lithium cells 11 pass through linear voltage regulator LDO
3.3V voltages are obtained after conversion to power to supply pin 3, and the voltage powered to supply pin 3 of standby button cell 21 is only
3.3V, it is evident that the output voltage of POS battery feed circuit 1 is bigger than the output voltage of backup battery power supply circuit 2, therefore,
Bank card data is gathered and safeguard protection chip can preferentially choose POS battery feed circuit 1 and be powered to supply pin 3.
To achieve these goals, the present invention also provides a kind of supplying power with double circuit for card swiping terminal supply pin in intelligent POS
Method, comprises the following steps:
Step S1, intelligent POS start, and bank card chip are detected to be had in charged lithium cells and standby button cell
Electricity;
Step S2, the voltage of charged lithium cells is powered after being changed by linear voltage regulator to supply pin, until charging lithium electricity
Electricity in pond exhausts;
Step S3, supply pin is powered by standby button cell, until the electricity in standby button cell exhausts.
It is if after the electricity in charged lithium cells exhausts, giving charged lithium cells charging, then electric in step S2 in the present embodiment
Source pin is powered by charged lithium cells.
In the present embodiment, the method for supplying power to also includes step S4, and step S4 is specially:The standby button cell more renewed
Afterwards, new standby button cell is powered to supply pin.
In the present embodiment, the output end voltage of charged lithium cells is 4.35V, and linear voltage regulator LDO output end voltage is
3.3V, and the output voltage of standby button cell is 3.0V.
Advantage of the invention is that:
The present invention intelligent POS in card swiping terminal supply pin two-way power supply method, POS battery feed circuit it is defeated
Going out the output end at end and backup battery power supply circuit can power to supply pin, and the output end electricity of POS battery feed circuit
Therefore pressure, powers electricity more than the output end voltage of backup battery power supply circuit in POS battery feed circuit and backup battery
In the case that there is output voltage on road, the supply pin of bank card chip is preferentially chosen POS battery feed circuit and powered automatically, directly
To POS battery feed circuit electricity exhaust after, start to power using backup battery power supply circuit, so just can greatly prolong
The service life of standby button cell in long backup battery power supply circuit;Also, the charged lithium cells of POS battery feed circuit
It can charge at any time, greatly reducing causes the abnormal problem of POS machines work after being exhausted because of the electricity of standby button cell.This
The two-way power supply method of card swiping terminal supply pin is by the way of duplex feeding system in the intelligent POS of invention, effectively extension
The service life of standby button cell, and effectively reduce the problem of POS influences normal work because of not enough power supply.
Disclosed above is only several specific embodiments of the present invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (8)
1. the system that supplies power with double circuit of card swiping terminal supply pin in a kind of intelligent POS, it is characterised in that supplied including POS battery
Circuit and backup battery power supply circuit, the bank card chip of card swiping terminal are provided with supply pin, and the POS battery is powered electricity
The output end on road and the output end of backup battery power supply circuit are electrically connected with supply pin, and the supply pin passes through POS electricity
Pond power supply circuit and backup battery power supply circuit are powered;The output end voltage of the POS battery feed circuit is more than standby electricity
The output end voltage of pond power supply circuit, and the electric quantity consumption that the bank card chip detects POS battery feed circuit finishes
After automatically switch to backup battery power supply circuit and powered to supply pin.
2. the system that supplies power with double circuit of card swiping terminal supply pin in intelligent POS according to claim 1, it is characterised in that
The POS battery feed circuit includes charged lithium cells, linear voltage regulator, the first electric capacity, the second electric capacity, the 3rd electric capacity, the
One resistance and the first diode, charged lithium cells one end respectively with the first electric capacity, the first end pin of linear voltage regulator and
One end connection of first resistor, the other end of first electric capacity and the second end pin of linear voltage regulator be grounded, and described the
It is grounded after 3rd end pin connection of the other end and linear voltage regulator of one resistance;4th end pin of the linear voltage regulator is hanging,
The positive pole of the 5th end pin of linear voltage regulator one end respectively with the second electric capacity, one end of the 3rd electric capacity and the first diode
Connection, the other end of second electric capacity and the other end of the 3rd electric capacity are grounded, and the negative pole and electricity of first diode
Source pin connection.
3. the system that supplies power with double circuit of card swiping terminal supply pin in intelligent POS according to claim 2, it is characterised in that
The backup battery power supply circuit includes standby button cell and the second diode, and the negative pole of the standby button cell is grounded,
The positive pole of the standby button cell is connected with the positive pole of the second diode, and the negative pole of second diode connects with supply pin
Connect.
4. the system that supplies power with double circuit of card swiping terminal supply pin in intelligent POS according to claim 3, it is characterised in that
The output voltage of the charged lithium cells is 4.35V, and the 5th end pin output voltage of the linear voltage regulator is 3.3V, and described
The voltage of standby button cell is 3.0V.
5. the two-way power supply method of card swiping terminal supply pin in a kind of intelligent POS, it is characterised in that comprise the following steps:
Step 1, intelligent POS start, and bank card chip is detected in charged lithium cells and standby button cell electricity;
Step 2, the voltage of charged lithium cells is powered after being changed by linear voltage regulator to supply pin, until in charged lithium cells
Electricity exhausts;
Step 3, supply pin is powered by standby button cell, until the electricity in standby button cell exhausts.
6. the two-way power supply method of card swiping terminal supply pin in intelligent POS according to claim 5, it is characterised in that
In the step 2, if after the electricity in charged lithium cells exhausts, giving charged lithium cells charging, then supply pin passes through the lithium electricity that charges
Pond powers.
7. the two-way power supply method of card swiping terminal supply pin in intelligent POS according to claim 5, it is characterised in that
The method of supplying power to also includes step 4, and the step 4 is specially:After the standby button cell more renewed, new standby button cell
Powered to supply pin.
8. the two-way power supply method of card swiping terminal supply pin in intelligent POS according to claim 5, it is characterised in that
The output end voltage of the charged lithium cells is 4.35V, and the output end voltage of the linear voltage regulator is 3.3V, and the standby
The output voltage of button cell is 3.0V.
Priority Applications (1)
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CN201710133546.8A CN106972616A (en) | 2017-03-08 | 2017-03-08 | The system and method that supplies power with double circuit of card swiping terminal supply pin in intelligent POS |
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CN201710133546.8A CN106972616A (en) | 2017-03-08 | 2017-03-08 | The system and method that supplies power with double circuit of card swiping terminal supply pin in intelligent POS |
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CN201710133546.8A Pending CN106972616A (en) | 2017-03-08 | 2017-03-08 | The system and method that supplies power with double circuit of card swiping terminal supply pin in intelligent POS |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107508373A (en) * | 2017-09-11 | 2017-12-22 | 深圳鼎智通讯股份有限公司 | A kind of backup battery switching circuit for POS |
CN109075607A (en) * | 2018-08-09 | 2018-12-21 | 福建联迪商用设备有限公司 | A kind of control circuit and its control method of POS machine reserve battery |
CN110417243A (en) * | 2019-08-05 | 2019-11-05 | 上海航天电子通讯设备研究所 | A kind of high-voltage MOSFET driving circuit |
CN110729811A (en) * | 2019-10-17 | 2020-01-24 | 浙江威星智能仪表股份有限公司 | Main and standby power switching circuit of electronic gas meter |
CN111864887A (en) * | 2020-07-21 | 2020-10-30 | 美唐科技(江苏)有限公司 | Law enforcement appearance double cell circuit |
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CN101179205A (en) * | 2006-11-10 | 2008-05-14 | 深圳迈瑞生物医疗电子股份有限公司 | Switch circuit and switch control method of battery and external power supply |
CN102163869A (en) * | 2011-03-18 | 2011-08-24 | 青岛海信移动通信技术股份有限公司 | Power supply device, mobile terminal and start method of mobile terminal |
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CN101179205A (en) * | 2006-11-10 | 2008-05-14 | 深圳迈瑞生物医疗电子股份有限公司 | Switch circuit and switch control method of battery and external power supply |
CN102163869A (en) * | 2011-03-18 | 2011-08-24 | 青岛海信移动通信技术股份有限公司 | Power supply device, mobile terminal and start method of mobile terminal |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107508373A (en) * | 2017-09-11 | 2017-12-22 | 深圳鼎智通讯股份有限公司 | A kind of backup battery switching circuit for POS |
CN109075607A (en) * | 2018-08-09 | 2018-12-21 | 福建联迪商用设备有限公司 | A kind of control circuit and its control method of POS machine reserve battery |
WO2020029159A1 (en) * | 2018-08-09 | 2020-02-13 | 福建联迪商用设备有限公司 | Control circuit for spare batteries of pos machine and control method therefor |
CN110417243A (en) * | 2019-08-05 | 2019-11-05 | 上海航天电子通讯设备研究所 | A kind of high-voltage MOSFET driving circuit |
CN110729811A (en) * | 2019-10-17 | 2020-01-24 | 浙江威星智能仪表股份有限公司 | Main and standby power switching circuit of electronic gas meter |
CN111864887A (en) * | 2020-07-21 | 2020-10-30 | 美唐科技(江苏)有限公司 | Law enforcement appearance double cell circuit |
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SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170721 |