A kind of hidden POS of swiping the card
Technical field
The utility model relates to a kind of hidden POS of swiping the card.
Background technology
The abbreviation of POS POS (Pointofsales), the meaning of Chinese is point of sales terminal, refer to the place for purchase payment in market in general sense, generally speaking, POS refers to the counter transaction system that automatic supermarket uses, utilize scanner reading tag and bar code, electronic cash register and utilize the income of other this point of sale of specialized equipment record, POS refers to the terminating machine of this process.At present, on market, POS use is very extensive, no matter is in industries such as finance, oiling, telecommunications, especially after the use crowd of IC-card increases, greatly facilitates the use of holder.
But, design a good practical effect, the high POS of security always also numerous design producer pursue.
Utility model content
The purpose of this utility model is to overcome above-described shortcoming, provides a kind of hidden POS of swiping the card that a kind of safety coefficient is high, reasonable in design, easy to use.
For achieving the above object, concrete scheme of the present utility model is as follows: a kind of hidden POS of swiping the card, includes body, and described body is provided with multiple key device, display screen, writing board device, brush reader device; Described POS also includes central processing unit, data storage device, fingerprint acquisition device, MIFI device, and described central processing unit is electrically connected with key device, display screen, writing board device, brush reader device, data storage device, fingerprint acquisition device, MIFI device respectively; Also include for providing the ups power of uninterrupted power source and for providing the double power supply circuit of double loop power supply; Described double power supply circuit include for dual-output power supply feed circuit, for gather dual-output power supply feed circuit electric current current collection circuit and for being used for current collection circuit collection signal controlling more afterwards the dual-output power supply feed circuit wherein road current control circuit of powering.
Wherein, described dual-output power supply feed circuit include electric capacity C3, resistance C4, resistance R6, resistance R7, resistance R8 and triode Q4, triode Q5, triode Q6, diode D7; One end of described resistance R8 is connected to power input, and the other end of resistance R8 is connected between the base stage of triode Q5 and the base stage of triode Q6; Described triode Q4; Its emitter is connected with the collector of triode Q5, and its collector is connected with power output end 1 by resistance R6, between the collector that described resistance R7 and diode D7 is connected in series in triode Q4 and base stage; Described triode Q5, its emitter is connected with power output end 2, and its collector is connected with the emitter of triode Q4, and its emitter is also by electric capacity C3 ground connection; The grounded emitter of described triode Q6.
Wherein, current control circuit includes comparer U1A, electric capacity C1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5; Diode D1, diode D2, duplex diode D3, switching tube Q1, triode Q2; Described diode D3, an one input end is by electric capacity C4 ground connection, and its another input end is connected with the output terminal of comparer U1A by resistance R3; The first input end of described comparer U1A is connected with power supply VC by resistance R1 and diode D2, and it is connected with the output terminal of comparer U1A by electric capacity C1, and it is also by resistance R4 ground connection; Described triode Q2, its emitter are by resistance R5 ground connection, and its collector is connected with the source electrode of switching tube Q1; Described switching tube Q1, its grid is connected with one end of electric capacity C12 by resistance R2, and its drain electrode is connected with the negative pole of diode D1; The positive pole of diode D1 is connected with power supply VC, and the positive pole of diode D1 is connected with the negative pole of diode D2 by resistance R1; The output terminal of comparer U1A is also connected with the collector of triode Q6.
Wherein, described current collection circuit includes electric capacity C2, electric capacity C5, switching tube Q3, diode D4, diode D5, diode D6, resistance R9, resistance R10, resistance R11, resistance R12; The other end ground connection of described electric capacity C2; The grid of described switching tube Q3, it is connected with another input end of comparer U1A, and it is by resistance R9 ground connection, and it is also connected with the positive pole of diode D6 by resistance R10; The drain electrode of described switching tube Q3 is connected to the negative pole of diode D4, the positive pole of diode D4 is connected to the positive pole of diode D6, diode D5 is parallel to the two ends of resistance R10, the positive pole of described diode D6 is by electric capacity C5 ground connection, ground connection after described resistance R11 connects with resistance R12, the negative pole of the one terminating diode D6 of described resistance R11, an input end of another termination comparer U1A of described resistance R11.
Wherein, described triode Q2 is duplex triode.
Wherein, duplex diode D3 is the voltage stabilizing diode that two negative poles connect together.
Wherein, described MIFI device has cellular antenna.
Wherein, the side-facing depressions of described body has a card-brushing groove, arranges described brush reader device in described card-brushing groove.
Wherein, the side of described body is provided with the hole slot of a strip, and be provided with telescopic guideway in described hole slot, described guide rail is provided with pallet, and described pallet arranges described fingerprint acquisition device.
Wherein, described key device includes multiple keying body, and described each button includes a light-guiding pillar, also includes the key shell be located on light-guiding pillar, and on described light-guiding pillar, outstanding boss, described boss is upwards extended with guide-lighting block; Described key shell is provided with the aperture coordinated with guide-lighting block, and described body is provided with the chuck coordinated with boss.
Wherein, described display screen is provided with one deck peep-proof sheet;
The beneficial effects of the utility model are: include body, and described body is provided with multiple key device, display screen, writing board device, brush reader device; Described POS also includes central processing unit, data storage device, fingerprint acquisition device, MIFI device, and described central processing unit is electrically connected with key device, display screen, writing board device, brush reader device, data storage device, fingerprint acquisition device, MIFI device respectively; Also include for providing the ups power of uninterrupted power source and for providing the double power supply circuit of double loop power supply; Described double power supply circuit include for dual-output power supply feed circuit, for gather dual-output power supply feed circuit electric current current collection circuit and for being used for current collection circuit collection signal controlling more afterwards the dual-output power supply feed circuit wherein road current control circuit of powering; Reasonable in design, improve communications security by MIFI device, design fingerprint collecting and board carry out Data Comparison, and improve security performance, the ups power of design and double power supply circuit, effectively can ensure the normal work of POS.
Accompanying drawing explanation
Fig. 1 is stereographic map of the present utility model;
Fig. 2 be fingerprint acquisition device of the present utility model schematic diagram is set;
Fig. 3 is the schematic diagram of button of the present utility model;
Fig. 4 is display screen schematic diagram of the present utility model;
Fig. 5 is schematic diagram of the present utility model;
Fig. 6 is the circuit diagram of double power supply circuit of the present utility model;
Description of reference numerals in Fig. 1 to Fig. 6:
1-body; 11-display screen; 12-writing board device; 13-key device; 14-card-brushing groove; 15-chuck; 16-peep-proof sheet;
21-guide rail; 22-pallet; 23-fingerprint acquisition device;
31-light-guiding pillar; 32-boss; The guide-lighting block of 33-; 34-key shell; 35-aperture.
Embodiment
Being described in further detail the utility model below in conjunction with the drawings and specific embodiments, is not that practical range of the present utility model is confined to this.
As shown in Figures 1 to 6, a kind of hidden POS of swiping the card described in the present embodiment, includes body 1, and described body 1 is provided with multiple key device 13, display screen 11, writing board device 12, brush reader device; Described POS also includes central processing unit, data storage device, fingerprint acquisition device 23, MIFI device, and described central processing unit is electrically connected with key device 13, display screen 11, writing board device 12, brush reader device, data storage device, fingerprint acquisition device 23, MIFI device respectively; Also include for providing the ups power of uninterrupted power source and for providing the double power supply circuit of double loop power supply; Described double power supply circuit include for dual-output power supply feed circuit, for gather dual-output power supply feed circuit electric current current collection circuit and for being used for current collection circuit collection signal controlling more afterwards the dual-output power supply feed circuit wherein road current control circuit of powering; Wireless POS machine be by SIM card inside GPRS function operation data, use GPRS network.The dial speed of wired POS is fast, but needs line to operate, and guest needs to pay a bill to cashier, and the communication signal of wireless POS machine is unstable, and data are easily lost, but it is radio operation, place of payment formal freedom; Therefore the utility model uses MIFI device, and MIFI device is the wireless device signal cards such as SIM being converted to 3G or 2G.The utility model adopts ups power to add double power supply circuit design, by design like this, realizes two-way and selects power supply, and wherein a path loss is bad does not affect another road and power, and realizes intelligent, ensures steady operation and the transaction security of POS.Wherein, board is used for writing signature, determines whether transaction after then being compared by central processing unit, improves transaction security; Fingerprint acquisition device 23 confirms trading object further, improves transaction security.
A kind of hidden POS of swiping the card described in the present embodiment, described dual-output power supply feed circuit include electric capacity C3, resistance C4, resistance R6, resistance R7, resistance R8 and triode Q4, triode Q5, triode Q6, diode D7; One end of described resistance R8 is connected to power input, and the other end of resistance R8 is connected between the base stage of triode Q5 and the base stage of triode Q6; Described triode Q4; Its emitter is connected with the collector of triode Q5, and its collector is connected with power output end 1 by resistance R6, between the collector that described resistance R7 and diode D7 is connected in series in triode Q4 and base stage; Described triode Q5, its emitter is connected with power output end 2, and its collector is connected with the emitter of triode Q4, and its emitter is also by electric capacity C3 ground connection; The grounded emitter of described triode Q6.
A kind of hidden POS of swiping the card described in the present embodiment, current control circuit includes comparer U1A, electric capacity C1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5; Diode D1, diode D2, duplex diode D3, switching tube Q1, triode Q2; Described diode D3, an one input end is by electric capacity C4 ground connection, and its another input end is connected with the output terminal of comparer U1A by resistance R3; The first input end of described comparer U1A is connected with power supply VC by resistance R1 and diode D2, and it is connected with the output terminal of comparer U1A by electric capacity C1, and it is also by resistance R4 ground connection; Described triode Q2, its emitter are by resistance R5 ground connection, and its collector is connected with the source electrode of switching tube Q1; Described switching tube Q1, its grid is connected with one end of electric capacity C12 by resistance R2, and its drain electrode is connected with the negative pole of diode D1; The positive pole of diode D1 is connected with power supply VC, and the positive pole of diode D1 is connected with the negative pole of diode D2 by resistance R1; The output terminal of comparer U1A is also connected with the collector of triode Q6.
A kind of hidden POS of swiping the card described in the present embodiment, described current collection circuit includes electric capacity C2, electric capacity C5, switching tube Q3, diode D4, diode D5, diode D6, resistance R9, resistance R10, resistance R11, resistance R12; The other end ground connection of described electric capacity C2; The grid of described switching tube Q3, it is connected with another input end of comparer U1A, and it is by resistance R9 ground connection, and it is also connected with the positive pole of diode D6 by resistance R10; The drain electrode of described switching tube Q3 is connected to the negative pole of diode D4, the positive pole of diode D4 is connected to the positive pole of diode D6, diode D5 is parallel to the two ends of resistance R10, the positive pole of described diode D6 is by electric capacity C5 ground connection, ground connection after described resistance R11 connects with resistance R12, the negative pole of the one terminating diode D6 of described resistance R11, an input end of another termination comparer U1A of described resistance R11.
A kind of hidden POS of swiping the card described in the present embodiment, described triode Q2 is duplex triode.A kind of hidden POS of swiping the card described in the present embodiment, duplex diode D3 is the voltage stabilizing diode that two negative poles connect together.A kind of hidden POS of swiping the card described in the present embodiment, described MIFI device has cellular antenna.
A kind of hidden POS of swiping the card described in the present embodiment, the side-facing depressions of described body 1 has a card-brushing groove 14, arranges described brush reader device in described card-brushing groove 14.Described built-in card-brushing groove 14 effectively can save usage space, but also dust-proof, good concealment.
A kind of hidden POS of swiping the card described in the present embodiment, the side of described body 1 is provided with the hole slot of a strip, is provided with telescopic guideway 21 in described hole slot, and described guide rail 21 is provided with pallet 22, and described pallet 22 arranges described fingerprint acquisition device 23.This design effectively saves usage space, and makes fingerprint acquisition device 23 dust-proof.
A kind of hidden POS of swiping the card described in the present embodiment, described key device 13 includes multiple keying body, described each button includes a light-guiding pillar 31, also include the key shell 34 be located on light-guiding pillar 31, on described light-guiding pillar 31, outstanding boss 32, described boss 32 is upwards extended with guide-lighting block 33; Described key shell 34 is provided with the aperture 35 coordinated with guide-lighting block 33, and described body 1 is provided with the chuck 15 coordinated with boss 32.The utility model adopts the light-guiding pillar 31 of silica gel material, and silica gel is a kind of high activity sorbing material, and belong to amorphous substance, its chemical molecular formula is msio2Nh2O; It has the advantages that many same type of material are difficult to replace: absorption property is high, Heat stability is good, stable chemical nature, have higher physical strength etc., and the information light that control mainboard is sent more softly dazzling can not be directed to housing face-plate display; Described light-guiding pillar 31 has LED.This design can make button, and light is soft more, not dazzling, and night also can be used easily; Described guide-lighting block 33 is printed with letter or numeral.
A kind of hidden POS of swiping the card described in the present embodiment, described display screen 11 is provided with one deck peep-proof sheet 16; Application number 201210430411.5 discloses peep-proof sheet 16, comprises the peep-proof sheet 16 of other kinds, does not limit herein, and described peep-proof sheet 16 can effectively make the not operation personnel on side peep screen, improves the safety of POS.
A kind of hidden POS of swiping the card described in the present embodiment, includes body 1, and described body 1 is provided with multiple key device 13, display screen 11, writing board device 12, brush reader device; Described POS also includes central processing unit, data storage device, fingerprint acquisition device 23, MIFI device, and described central processing unit is electrically connected with key device 13, display screen 11, writing board device 12, brush reader device, data storage device, fingerprint acquisition device 23, MIFI device respectively; Also include for providing the ups power of uninterrupted power source and for providing the double power supply circuit of double loop power supply; Described double power supply circuit include for dual-output power supply feed circuit, for gather dual-output power supply feed circuit electric current current collection circuit and for being used for current collection circuit collection signal controlling more afterwards the dual-output power supply feed circuit wherein road current control circuit of powering; Reasonable in design, improve communications security by MIFI device, design fingerprint collecting and board carry out Data Comparison, and improve security performance, the ups power of design and double power supply circuit, effectively can ensure the normal work of POS.
The above is only a preferred embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the protection domain of the utility model patented claim.