CN2155114Y - Domestic intelligence programe control telephone charge counter - Google Patents

Abstract

The utility model relates to a domestic intelligence program controlled telephone charge counter, which belongs to a charge counting device for telephones. The utility model is composed of a casing, a liquid display screen arranged on the casing, an operational key and a circuit board arranged in the casing. The utility model can be used in an audio program controlled dial through telephone, and is provided with two power supplies which are an external power supply and a built-in battery power supply. The utility model can judge an international and a domestic telephones, can calculate fee according to corresponding charging rate, can realize the functions of telephone charging, timing, charging rate rewriting, power down information protection, sound prompt, charging mode selection, enquiry fee, etc. by using the timing and arithmetical operation functions of a CPU, and can be conveniently used.

Description

Domestic intelligence programe control telephone charge counter

The utility model belongs to a kind of ticketing device, relates to a kind of civilian intelligent program-controlled telephone charge counter.

Frequent day by day along with socio-economic activity, people depend on this communication tool of phone more and carry out information exchange.But from the present actual conditions of China, it is universal that phone does not also reach, and the public telephone site is few again, calculates telephone charges and most public telephone network is checked and accepted very difficulty of telephone charges, all stares at client's dialing by eye, pinches the table timing, look into rate.Therefore the extreme of ticketing means falls behind or the costliness of counting equipment, all makes the people be reluctant to open up telephone booth.The difficulty of making a phone call like this becomes a great society problem, and it has seriously hindered people's social interaction and normally carrying out of economic activity.

The purpose of this utility model is a kind of civilian intelligent program-controlled telephone charge counter of design, and it both had been applicable to the valuation charge of public telephone site, and loading onto this taximeter simultaneously also can be with unit, individual's phone opening.Therefore say in a sense, use this civilian intelligent program-controlled telephone charge counter, can alleviate the difficult phenomenon of making a phone call greatly.

The purpose of this utility model realizes by following scheme: civilian intelligent program-controlled telephone charge counter by casing, be installed in LCDs, the operation keys on the casing and the circuit board that is contained in the casing is formed.Be equipped with on the machine shell panel: liquid crystal display window, reset key, pick-up key, illumination key, telephone switch key and rattle.The casing postnotum is equipped with: electronic lock, phone output socket, phone input socket, external power supply socket, charge options button, rewriting input socket give and stay mouth and battery case lid.Its circuit comprises by CPU, latch, EPROM, E ²The computer processing system that four integrated circuit chips of PROM and subsidiary component are formed, the phone detection system of forming by telephone signal detection chip and NAND gate circuit, and be furnished with standard RS-232 serial ports.The P of CPU in the circuit ₀₀-P ₀₇Meet latch, EPROM, E ²PROM data pin D ₀-D ₇, eight output Q of latch ₀-Q ₇Meet EPROM, E ²The address pin A of PROM ₀-A ₇, the P of CPU ₂₀-P ₂₄Meet the address pin A of EPROM ₈-A ₁₂, the address pin A of EPROM ₈-A ₁₀With E ²Prom address pin A ₈-A ₁₀Join the P of CPU ₁₀-P ₁₃Connect reset switch respectively, extract switch, selector switch and electronic lock, the P of CPU ₁₄-P ₁₅Connect the LCD input, P ₁₆Connect buzzer.Read/write pin RD, the WR of CPU be the input and the E of NAND gate circuit respectively ²The read-write end of PROM joins, the answer the call IN input of input chip of one of telephone set incoming line, the TONE clock output of another input chip of answering the call.The data pin D of telephone signal detection chip ₀-D ₃P with CPU ₀-P ₃Join.Three output lines of telephone signal detection chip are RSO, φ 2, IRQ.Wherein RSO and E ²The address pin A of PROM ₉Join.φ 2 joins with the Q end of double D trigger, and IRQ connects the INTU end of CPU, the RXD of CPU, the T2IN and the R20 end of TXO termination standard serial port, and the T20 of serial ports, R21N connect the rewriting socket.

The course of work of civilian intelligent program-controlled telephone charge counter is as follows: central processor CPU constantly receives the telephone signal that telephone for special use input chip detection arrives.After receiving dialed number, extract the rate of EPROM storage, CPU is in wait state.After receiving off hook signal, CPU starts working.Immediately on LCDs, demonstrate telephone number, time, Fei Jin.Wherein the time is taken golden per minute conversion once with minute calculating.After receiving on-hook signal, according to air time and telephone number, determine corresponding rate, buzzer sends audible signal simultaneously, prompting administrative staff charge.Press reset key, liquid crystal display is removed.

The utility model can use on the program control direct-dial telephone unit of audio frequency, is provided with two kinds of outer abundant power supply and internal battery power supplys.Can differentiate domestic, overseas call and golden by corresponding rate calculating expense.It utilizes clocking capability and the arithmetical operation function of CPU, is equipped with high performance telephone signal detection chip, can realize accurate billing function.This device also has simultaneously: rate is rewritten function, power down information defencive function, sound equipment prompt facility.This taximeter price is low, and intelligence is high, and easy to use, power consumption is little, stable performance, and the commercialized degree height can play great role to improving the problem that it is difficult that society makes a phone call.

Specify as follows below in conjunction with drawings and Examples:

Fig. 1 is the utility model complete machine and panel operating key scheme of installation,

Fig. 2 is that the utility model liquid crystal display window shows the situation schematic diagram,

Fig. 3 is the utility model casing postnotum operating key scheme of installation,

Fig. 4 A, B are the utility model electrical schematic diagram.Wherein a1-a28 coincide among the a1-a28 among Fig. 4 A and Fig. 4 B.

Among Fig. 1,1 is casing, and liquid crystal display window 2, reset key 3, pick-up key 4, illumination key 5, telephone switch key 6, toot sound key 7 are housed on the machine shell panel.Wherein the LCD of liquid crystal display window 2 is used the LCD of LCD22 figure place sign indicating number and tag mark, can demonstrate 11 dialings and a grouping numerical digit 8 at lastrow, next line can show ten chargeable time 9, Fei Jin 10, also can demonstrate charging way 11 simultaneously.Charging way is divided three kinds of display formats: ● the full price charging,

Half price is chargeed, and zero exempts from expense.As shown in Figure 2.Full price is chargeed, the half price charging all can enter accumulative total and take total value, and the expense of exempting from does not then enter accumulative total and takes total value.Illumination key 5 is being controlled the micro lighting fluorescent tube 12 on liquid crystal window both sides.When insufficient light, press illumination key 5, fluorescent tube 12 is lighted, but the deficiency of additional illumination light makes it each data that clear view shows to the liquid crystal window.

In Fig. 3, on casing 1 postnotum electronic lock 13 is housed, phone output socket 14, phone input socket 15, external power supply socket 16, charge options button 17, rewriting input socket give and stay mouth 18, battery case lid 19.

In Fig. 4, civilian intelligent program-controlled telephone charge counter circuit comprises by CPU20, latch 21, EPROM22, E ²The computer processing system that four integrated circuit chips of PROM23 and subsidiary component are formed, phone detection system and standard RS-232 serial ports 26 that telephone signal detection chip 24 and NAND gate circuit 25 are formed.That wherein CPU adopts is 80C31, and EPRM adopts 27C64.E ²What PROM adopted is 2816, and serial ports 232 adopts ICL232, and the telephone signal detection chip adopts MT8880, and NAND gate circuit adopts 74LS00.

The P of CPU20 in the circuit ₀₀-P ₀₇Meet latch 21, EPROM22, E ²PROM23 data pin D ₀-D ₇, eight output Q of latch 21 ₀-Q ₇Meet EPROM22, E ²PROM23 address pin A ₀-A ₇, the P of CPU ₂₀-P ₂₄Meet the address pin A of EPROM22 ₈-A ₁₂, and the address pin A of EPROM ₈-A ₁₀With E ²Prom address pin A ₈-A ₁₀Join.The P of CPU ₁₀-P ₁₃ Connect reset key 3, pick-up key 4 respectively, charge options button 17, electronic lock 13.The P of CPU ₁₄-P ₁₅Connect the input of LCD, the P of CPU ₁₆, connect buzzer 27.CPU20 read-write pin RD, WR be NAND gate circuit 25 inputs and E respectively ²The read-write end of PROM23 joins.The answer the call IN input of input chip 24 of 28 1 of telephone set incoming lines, the TONE end of another input chip 24 of answering the call.And the data pin D of chip 24 ₀-D ₃P with CPU ₀₀-P ₀₃Join.Three output lines of chip are RSO, φ 2, IRQ.Wherein RSO and E ²The address pin A of PROM ₉Join; φ 2 joins with the Q end of double D trigger 29.The double D trigger here adopts 74LS74, and IRQ connects the INTO end of CPU20.The T2IN of the RXD of CPU20, TXD termination serial ports 26 and R20 end, and the T20 of serial ports 26, R2IN connect rewriting socket 30.

Above circuit structure can have following function:

1, adopt the 8KBEPROM chip can store domestic, international all telephone rate price list and control programming.

2, be provided with the RS-232 serial ports of standard,, be equipped with PC or 286 or special-purpose rewrite device, and cooperate inner corresponding software, can rewrite the fee-collection standard of rate and service charge at any time by serial ports.

3, this assembling is furnished with the E of 2KB ²The PROM chip has power-down protection.Can be used as the storing apparatus of accumulative total telephone charges and relevant retention data.After the power down, the interior various messages of the machine of can preserving are not lost for a long time.

4, use piezoelectric buzzer in the circuit, can be used as the sound equipment cue that realizes after the charging on-hook, the toll collector collects telephone expenses with prompting.

The selector switch that 5, three kinds of charging ways are arranged is selected full price charge, half price charge and the three kinds of forms that are free of charge for administrative staff, and wherein the mode of being free of charge is not counted in the accumulative total expense, does not deposit in six groups of information extractions.

6, have reset key 3.After realizing chargeing, after phone user and administrative staff see this charging situation of asking, press reset key and can ask zero, wait the spy to charge next time.

7, have pick-up key 4.Can delay time by pick-up key shows for eight seconds, shows that for waiting group polling at this moment no telephone number shows not have the timing symbol simultaneously on the display screen, also not having the demonstration of charge selection symbol.The display screen left side only shows that a last call rate gold or a people beat continuous usage charges gold repeatedly, the clocking capability on display screen the right becomes the accumulative total number of Fei Jin.When pressing for the second time pick-up key, then the second group polling stored information occurs.Display screen recovers original displaying symbol, and second group to the 6th group polling store information, demonstration be the information of last five charging telephone stores.Displaying contents still is: dialing, single expense gold and air time.Pick-up key uses when therefore can extract the charge number, accumulative total is inquired about and organize ticketing data reservation inquiry more for administrative staff and phone user.

8, have electronic lock 13, this is a kind of mains switch of mechanical locking-type.Expense gold accumulative total number can not changed before can guaranteeing to unblank, and after unblanking, accumulative total can be removed, so that clearing phone Gross Spread.

Claims (2)

1, a kind of by casing, be installed in the LCDs on the casing, operation keys and be contained in the civilian intelligent program-controlled telephone charge counter that the circuit board in the casing is formed, it is characterized in that: operation keys comprises, reset key (3), pick-up key (4), illumination key (5), telephone switch key (6), buzzer (7), electronic lock (13), phone output socket (14), phone input socket (15), external power supply socket (16), charge options button (17), the rewriting input socket gives and stays mouth 18, battery case lid (19), its circuit is by CPU (20), latch (21), EPROM (22), E ²The computer processing system that (23) four integrated circuit chips of PROM and subsidiary component are formed is by phone detection system and the standard RS-232 serial ports (26) that telephone signal detection chip (24) and NAND gate circuit (25) are formed, the P of CPU20 in the circuit ₀₀-P ₀₇Meet latch (21), EPROM (22), E ²The D of PROM (23) data pin ₀-D ₇, eight output Q of latch (21) ₀-Q ₇Meet EPROM (22), E ²PROM (23) address pin A ₀-A ₇, the P of CPU ₂₀-P ₂₄Meet the address pin A of EPROM (22) ₈-A ₁₂, and the address pin A of EPROM ₈-A ₁₀With E ²Prom address pin A ₈-A ₁₀Join the P of CPU ₁₀-P ₁₃, connect reset key (3), pick-up key (4) respectively, charge options button (17), electronic lock (13), the P of CPU ₁₄-P ₁₅Connect the input of LCD, the P of CPU ₁₆Connect buzzer (27), CPU (20) read-write pin RD, WR respectively with NAND gate circuit (25) input and E ²The read-write end of PRM (23) joins, the answer the call IN input of input chip (24) of (28) one of telephone set incoming lines, the TONE end of another input chip (24) of answering the call, and the data pin D of chip 24 ₀-D ₃P with CPU ₀₀-P ₀₃Join, three output lines of chip are RSO, Φ ₂, IRQ, wherein RSO and E ²The address pin A9 of PROM joins; Φ ₂Join with the Q of double D trigger (29) end, and IRQ connects the INTO end of CPU (20), the T2IN of the RXD of CPU (20), TXD termination serial ports (26), and R20 end, and T20, the R2IN of serial ports (26) connect and rewrite socket 30.

2, civilian intelligent program-controlled telephone charge counter according to claim 1 is characterized in that: CPU(20 wherein) that adopt is BOC31, EPROM(22) adopts 27C64, E ²What PROM(23) adopt is 2816, serial ports 232(26) adopt ICL232, telephone signal detection chip (24) adopts MT8880, and NAND gate circuit (25) adopts 74LS00, and double D trigger (29) adopts 74LS74.

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