CN2227895Y - Program-control dispatching communication switchboard using microcomputer as a controlling terminal - Google Patents

Abstract

The utility model relates to a program-control dispatching communication switchboard using a microcomputer as a control terminal, which uses a mouse or a touch screen to carry out dispatch and control. The utility model comprises a microcomputer control terminal and a host computer whose control plate, telephone set plate, and all user plates are inserted in the bus inserting slot of the mother board of the host computer. A power source and a bell source are respectively connected with the bus of the host computer mother board, and a base set telephone and a recorder are connected with the telephone set plate. A singlechip circuit on the control plate is connected with the serial communication plug contact of the microcomputer control terminal in the form of a 20 milliampere current loop by an optical coupling voltage and electric current converting communication drive circuit. An optical coupling voltage and electric current converting circuit is arranged in the serial port plug contact of the microcomputer control terminal which is provided with a mouse dispatch controller.

Description

A kind of is the program controlled scheduling communication exchange of control terminal with the microcomputer

The utility model be a kind of use microcomputer as control terminal, adopt mouse or touch-screen to carry out the program controlled scheduling communication exchange of scheduling controlling.

Existing dispatching communication exchange mainly is an electronic type, and equipment volume is big, power consumption is high, and the on line between main frame and dispatching desk is the twice (two lines of each user) of number of users, and installation and maintenance inconvenience uses cable many, and dispatching desk is toggle switch fully.

Existing automatic subscriber (is connected to the user of subscriber exchange, need dialing during calling), magnetite user (needing the telephone subscriber of hand generator to the other side's ring), direct user be (to the hotline of direction dispatching telephone control board power supply, dispatcher's off-hook can be conversed with the other side), the power supply user (dispatching desk provides 48 couchers to make the direct user of voltage to it, the other side's off-hook can be conversed) etc. various users of different nature must be equipped with different user's plates, use very inconvenient.

The dispatching desk of existing program controlled scheduling communication exchange also is touch-tone, if desire is made automatic telephone, at first stirs a switch, dials with dial again.User's telephone number relies on dispatcher's memory to search fully.

More loaded down with trivial details, time-consuming when therefore existing dispatching communication exchange uses, and the Chang Yifa wrong number, even the object of mistake ordered, so that cause heavy economic losses.

The purpose of this utility model, be to design a kind of microcomputer that uses and make the program controlled scheduling communication exchange that control terminal, employing mouse or touch-screen carry out scheduling controlling, the dispatcher can carry out the scheduling operation of image with mouse or touch-screen, need not to remember each user's telephone number and the corresponding position of the switch, increase work efficiency and quality, guarantee that scheduling controlling is accurate.

The utility model comprises main frame and system controlled by computer terminal, and the control board of main frame, phone plate, each user's plate all are inserted in the bus slot of main frame motherboard, and power supply links to each other with the bus of main frame motherboard respectively with the bell source, and fixed line phone links to each other with the phone plate with recorder; Single chip circuit on the control board is connected with 20 milliamperes of electric current loop forms through between light lotus root electric current and voltage converts communications drive circuit and system controlled by computer terminal string row communication plug; Be provided with the built-in smooth lotus root voltage-current converter circuit of serial communication plug of the system controlled by computer terminal of mouse scheduling controller.

System controlled by computer terminal of the present utility model also can be loaded onto touch-screen and corresponding touch-screen scheduling controller is set.

User's plate of main frame of the present utility model is provided with each subscriber unit circuit that user's character sets short circuit electronic circuit bus on the motherboard of electronic switch and decoding circuit and main frame and links to each other;

The utility model is set with the character that short circuit carries out substation, need not to use different user's plates according to different users, thereby each user's plate is identical.

The utility model system controlled by computer terminal is provided with mouse scheduling controller or touch-screen scheduling controller, store all user's telephone number, each user's Chinese is presented on the display, after the dispatcher uses mouse or touch-screen to select the user, corresponding subscriber directory number is given the single-chip microcomputer on the control board of main frame by the system controlled by computer terminal through serial communication, finish corresponding switching by single-chip microcomputer by the decoding circuit control electronic switch of the bus on the main frame motherboard on phone plate and each user's plate, carry out visual in image scheduling controlling.

Compared with prior art, the utlity model has following advantage:

1. employing stored program control system, the integrated level height, volume is little, and the worker consumes little, power saving;

2. be connected with 20 milliamperes of electric current loop forms between main frame and control terminal, only need 4 electric wires, installation and maintenance are all very convenient, and can save a large amount of communication cables;

3. each user's plate is identical, uses short circuit that substation character is set, and provides a great convenience for manufacturing and installing and using;

4. use microcomputer as control terminal, scheduling operation uses mouse or touch-screen, need not to remember each user's telephone number and the corresponding position of the switch, and all operations is full intellectualized, dispatches visual in imagely, is difficult for making a mistake operating efficiency and quality height;

5. utilize the memory capacity of system controlled by computer terminal, the substation capacity is expanded greatly, can satisfy the instructions for use of various application scenarios.

Accompanying drawing is embodiment of the present utility model.

Accompanying drawing 1 is overall block diagram.

Accompanying drawing 2 is light lotus root electric current and voltage converts communications drive circuit schematic diagrams of control board.

Accompanying drawing 3 is the built-in light lotus root voltage-current converter circuit schematic diagrams of microcomputer serial communication plug.

Accompanying drawing 4 is phone plate element circuit schematic diagrams.

Accompanying drawing 5 is phone plate decoding circuit schematic diagrams.

Accompanying drawing 6 is user's plate element circuit and electronic switching circuit schematic diagram.

Accompanying drawing 7 is user's plate decoding circuit schematic diagrams.

In accompanying drawing 1, USL is a subscribers feeder, SPU is a single chip circuit, control board (KJB), phone plate (HJB), each user's plate (YHB) all is inserted in the bus slot of main frame motherboard (MDU), power supply (EDU) links to each other with the bus of main frame motherboard (MDU) respectively with bell source (BDU), recorder (RDU) links to each other with phone plate (HJB) through the bus of main frame motherboard (MDU), three system controlled by computer terminal (MA, MB, MC) all link to each other with the light lotus root electric current and voltage converts communications drive circuit (MKJ) of control board (KJB), (TA, TB's dynamo-electric words of three pedestals TC) all link to each other with phone plate (HJB).

In accompanying drawing 2, G ₁₁, G ₁₂, G ₂₁, G ₂₂, G ₃₁, G ₃₂Be light lotus root pipe TIL113, U ₆, U ₇Be respectively multicircuit switch 74HC153 and multiple signals distributor 74HC155, U5A NAND gate circuit 74HC00; A, B, C are and three three road interfaces that microcomputer is corresponding.

Resistance R ₁₁, R ₁₂, R ₁₃, R ₁₄, R ₂₁, R ₂₂, R ₂₃, R ₂₄, R ₃₁, R ₃₂, R ₃₃, R ₃₄, R ₁₈, R ₂₈, R ₃₈It is current-limiting resistance; R ₁₇, R ₂₇, R ₃₇Constitute current-voltage conversion circuit; G ₁₁With R ₁₆, G ₁₂With R ₁₅, G ₂₁With R ₂₆, G ₂₂With R ₂₅, G ₃₁With R ₃₆, G ₃₂With R ₃₅Constitute light lotus root circuit.

Fig. 2 circuit is the enforcement circuit diagram of optocoupler electric current and voltage conversion communication drive circuit MKJ among Fig. 1, be and terminal computer A, B, C between the communication interface circuit, be used for communication signal with control board KJB single chip circuit SPU and be transformed into the 20MA electric current loop end computer (RS-232 interface by computer converts voltage signal to) of making arrangements for his funeral, or the voltage signal that terminal computer is sent back to is transformed into current signal receives for control board KJB, to prolong communication distance and to improve interference free performance.

The communication of main frame KJB and three terminal computer A, B, C is to be masters with the main frame, and each terminal computer of poll has or not operation, distributes decoding line A, B to finish by changing.When inquiry A terminal, by multiple signals distributor U ₇A terminal and single-chip microcomputer SPU are linked up, and EO is poll B terminal again, by that analogy.Because the arithmetic speed of computer is very fast, so each terminal does not have the sensation of time-delay.Receive with transmission and finish, wherein G by photoelectrical coupler ₁₁, G ₂₁, G ₃₁Be used for the signal of terminal computer A, B, C is passed through the RXD line (through U ₆, U ₅A) send to single-chip microcomputer SPU, and G ₁₂, G ₂₂, G ₃₂Be used for sending the TXD signal of single-chip microcomputer SPU to terminal computer A, B, C (through U7).

In accompanying drawing 3, G ₂₁And G ₂₂Be two light lotus root pipe TIL113.Z ₂Be the standard RS-232C plug that is connected with terminal computer A or B or C, the voltage/current translation circuit among the figure promptly is installed in this plug, and ITX+, ITX-, IRX+, IRX-are connected with each end in 2 respectively with among the figure among the figure.

When terminal computer when DTR and RTS send high level, through diode D ₂₂, capacitor C ₂Be optical coupler G ₂₂Provide a positive voltage, R ₂₂Resistance is its collector load resistor, when main frame sends information to terminal computer, and the U of the data that single-chip microcomputer SPU sends (TXD) in Fig. 2 ₇To optocoupler (G ₂₁, G ₂₂, G ₃₂), transfer behind the electric current optocoupler G in Fig. 3 again to ₂₂Convert current signal the voltage signal of RS-232C standard to, receive for terminal computer; When terminal computer sent information to main frame, the voltage signal that computer is sent is optocoupler G in Fig. 3 ₂₁Convert current signal to, to host computer side optocoupler (G in Fig. 2 again ₁₁, G ₂₁, G ₃₁) become voltage signal, through U ₆, U ₅A send single-chip microcomputer RXD end.

For example, when AB among Fig. 2 is 00, choose the terminal called with A, single-chip microcomputer TXD sends high level, U ₇The output high level, at this moment, Vcc is through R ₁₈, G ₁₂D+, G ₁₂D-to Vss, G ₁₂Interior phototriode is saturated and have electric current to form, and Vcc is through R ₁₄, G among IRX+, Fig. 3 ₂₂1 pin, G ₂₂2 pin, IRX-, Fig. 2 in R ₁₃, G ₁₂5 pin, G ₁₂4 pin to Vss, make G among Fig. 3 ₂₂Interior phototriode is subjected to optical coupling, G ₂₂5 pin output low levels receive for terminal computer to the RX of RS-2320 mouth end, terminal computer is the same to the Principle of Process of main frame return information, can analogize.

In accompanying drawing 4, U ₁Drive circuit 40107, relay J ₁₃Be the power down change-over circuit, when power down, automatically fixed line phone and outside line line connected; J ₁₂Be recording circuit, fixed line phone and recorder are connected;

The element circuit of the plate of phone shown in Fig. 4 HJB, connect the signaling interface of a dispatch terminal phone (TA, TB, TC), power down transfer interface, a seat ring control circuit and a start and stop sound pick-up outfit, be respectively W (A, B, C), Z (A, B, C) and R (A, B, C).

In accompanying drawing 5, U ₀₁Decoding circuit 4599, the U in its output and the accompanying drawing 4 phone plate element circuits ₁Link to each other.

Fig. 5 decoding circuit is by control, decoding, the data-signal of receiving host control panel KJB output, through the element circuit (circuit as shown in Figure 4) of decoding selection phone plate HJB, as U ₀₁Q ₀, Q ₄U in the difference connection layout 4 ₁1A, 1B, and ZA, ZB.

In accompanying drawing 6, G ₁Light lotus root pipe, U ₁₂Drive circuit 40107, U ₁₁(U ₁₁A-U ₁₁D) electronic switching circuit 4066; The sub-Y of short circuit ₁₁, Y ₁₂, Y ₁₃, Y ₁₄Constitute user's character and set short circuit electronic circuit, wherein Y ₁₁Be that 90 volts of power supplys are selected Y ₁₄Be that 48 volts of power supplys are selected.

Every user circuit board YHB has 4 outside line subscriber line circuits among Fig. 1, Fig. 5 illustrates one of them element circuit, the user can by change on the plate short circuit and plug-in position with user interface properties be arranged to automatically, power supply, magnetite and direct user, all users are the two wires user, make can with various carrier terminal equipments, switch, Wireless/wired adapter or power supply unit connect.

In accompanying drawing 7, U ₀₁, U ₀₂, U ₀₃Decoding circuit 4599, user's plate decoding circuit shown in Figure 7 has identical structure, decoder U with phone plate decoding circuit shown in Figure 5 ₀₁, U ₀₂, U ₀₃Output U ₀₁-Q ₄, U ₀₁-Q ₀, U ₀₂-Q ₀, U ₀₃-Q ₀Respectively with Fig. 6 user's plate element circuit in electronic switch U ₁₁D, U ₁₁C, U ₁₁B, U ₁₁The control end of A connects, and makes optocoupler G among Fig. 6 ₁Collector electrode 5 pin signals send that ZC, ZB, ZA are connected the U among Fig. 7 respectively among D end, Fig. 6 with transformer B1 among Fig. 6 ₀₂-Q ₄, U ₀₃-Q ₄The driver U of map interlinking 6 then ₁₂, with control relay J ₁₁, J ₁₂Work (U ₀₁, U ₀₂, U ₀₃All the other outputs by being connected with other three user's plate element circuits respectively with spline structure).

In this embodiment,

1. the main connecting relation of each circuit is as follows:

(1). the control board of main frame (KJB), phone plate (HJB), each user's plate (YHB) all are inserted in the bus slot of main frame motherboard (MDU), power supply (EDU) links to each other with the bus of main frame motherboard (MDU) respectively with bell source (BDU), and fixed line phone links to each other with phone plate (HJB) with recorder (RDU);

(2). user's plate (YHB) of main frame is provided with each subscriber unit circuit that user's character sets short circuit electronic circuit bus on the motherboard (MDU) of electronic switch and decoding circuit and main frame and links to each other;

(3). the monolithic integrated circuit (SPU) on the control board of main frame (KJB) is connected with 20 milliamperes of electric current loop forms through between light lotus root electric current and voltage converts communications drive circuit (MKJ) and system controlled by computer terminal string row communication plug;

(4). be provided with the built-in smooth lotus root voltage-current converter circuit of serial communication plug of the system controlled by computer terminal of mouse scheduling controller.

2. the optional touch-screen of microcomputer, phone plate circuit:

(1). the system controlled by computer terminal is equipped with touch-screen and is provided with the touch-screen scheduling controller;

(2). the phone plate (HJB) of main frame is gone up the bus of each phone element circuit on the motherboard (MDU) of decoding circuit and main frame and is linked to each other, links to each other with outside line, links to each other with recorder (RDU) through recording circuit through the power down carry circuit.

3. microcomputer, fixed line phone, user's plate are provided with as follows:

(1). be shaped on No. three phone element circuits on the phone plate (HJB) of main frame;

(2). be shaped on four road subscriber unit circuit on every block of user's plate of main frame;

(3). (MA, MB's three system controlled by computer terminals MC) all link to each other with the control board (KJB) of main frame, and (TA, TB's three fixed line phones TC) all link to each other with the phone plate (HJB) of main frame.

What use among this embodiment is 51 single-chip microcomputers, and the system controlled by computer terminal is commercially available universal microcomputer.

In this embodiment, single-chip microcomputer on the host control panel (KJB) has or not operation by each system controlled by computer terminal of the multi-way switch circuit cyclic query in the light lotus root electric current and voltage converts communications drive circuit (MKJ), when inquiring a microcomputer when operation is arranged, finish corresponding operation, continue next microcomputer of inquiry again.

Claims (3)

1. one kind is the program controlled scheduling communication exchange of control terminal with the microcomputer, it is characterized in that:

(1). the control board of main frame (KJB), phone plate (HJB), each user's plate (YHB) all are inserted in the bus slot of main frame motherboard (MDU), power supply (EDU) links to each other with the bus of main frame motherboard (MDU) respectively with bell source (BDU), and fixed line phone links to each other with phone plate (HJB) with recorder (RDU);

(2). user's plate (YHB) of main frame is provided with each subscriber unit circuit that user's character sets short circuit electronic circuit bus on the motherboard (MDU) of electronic switch and decoding circuit and main frame and links to each other;

(3). the single chip circuit (SPU) on the control board of main frame (KJB) is connected with 20 milliamperes of electric current loop forms through between light lotus root electric current and voltage converts communications drive circuit (MKJ) and system controlled by computer terminal string row communication plug;

(4). be provided with the built-in smooth lotus root voltage-current converter circuit of serial communication plug of the system controlled by computer terminal of mouse scheduling controller.

2. as claimed in claim 1 a kind of be the program controlled scheduling communication exchange of control terminal with the microcomputer, it is characterized in that:

(1). the system controlled by computer terminal is equipped with touch-screen and is provided with the touch-screen scheduling controller;

(2). the phone plate (HJB) of main frame is gone up the bus of each phone element circuit on the motherboard (MDU) of decoding circuit and main frame and is linked to each other, links to each other with outside line, links to each other with recorder (RDU) through recording circuit through the power down carry circuit.

3. as claimed in claim 1 or 2 a kind of be the program controlled scheduling communication exchange of control terminal with the microcomputer, it is characterized in that:

(1). be shaped on No. three phone element circuits on the phone plate (HJB) of main frame;

(2). be shaped on four road subscriber unit circuit on every block of user's plate of main frame;

(3). (MA, MB's three system controlled by computer terminals MC) all link to each other with the control board (KJB) of main frame, and (TA, TB's three fixed line phones TC) all link to each other with the phone plate (HJB) of main frame.

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