CN2552082Y

CN2552082Y - Remote-controller for teaching equipment

Info

Publication number: CN2552082Y
Application number: CN 02224887
Authority: CN
Inventors: 周勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-30
Filing date: 2002-04-30
Publication date: 2003-05-21
Anticipated expiration: 2012-04-30

Abstract

The utility model relates to a remote controller, in particular to a controller which can control not only the opening and the breaking of a remote control power module, but also the opening and the closing of broadcast and infrared devices and computers such as a television and a digital projector, and can control a monitoring decoder through a 10M/100M/1000M computer network. The remote control device of such a teaching device is characterized in that the remote controller comprises a transmitting-receiving conversion control board which is electronically connected with a remote computer and is inserted into the slot of a computer in a card-inserting manner; moreover, the inserting card has a separate power supply interface and still can complete the control work when the computer is shut down. The remote controller can not only realize far control of a multi-way device, but also promise convenient wiring and using and reduce the cost.

Description

A kind of remote control of teaching equipment

Under the field: the utility model relates to a kind of remote controllers, and be specifically related to a kind of by the communication of 10M/100M/1000M computer network environment, can Long-distance Control power module cut-off, can control broadcasting infrared equipments such as switch, TV and digital projector, computing machine switch and control the controller of monitoring demoder.

Background technology: along with the progressively expansion and the rapid development of computer technology of national Project of Networking Every Single School, school is progressively at the campus network of setting up oneself, the various educational technology equipments that enter simultaneously in the classroom are more and more, for example computing machine, televisor, projector, broadcasting or the like, these equipment all are independently, as using a computer or needing to open and close one by one when televisor or projector or broadcasting, using and managing cumbersome.

Though carry out Long-distance Control several different methods is arranged with computing machine, then there are the following problems but to the Long-distance Control of teaching equipment, the one, the Web-based instruction and Web-based instruction equipment are all adopted in existing teaching, because when utilizing calculating meter network to carry out device control, the speed of its transmitted data on network is very fast, it needs special chip to receive, conversion, handle, the speed needs that can not adapt to network transmission data for its speed of general micro-processor interface circuit, they are two years old, should finish the online transmission data between computing machine and the computing machine, finish the management to equipment again, existing control device can't be finished its function.

Summary of the invention: the purpose of this utility model is a kind of remote controllers of design, so that realize the far distance controlled multichannel equipment, convenient simultaneously wiring and application reduce cost.

The purpose of this utility model is to realize like this, design a kind of remote control of teaching equipment, it is characterized in that: it comprises the transmitting-receiving conversion and control plate that is electrically connected with remote computer, this plate is plugged on the slot of computing machine with the form of plug-in card, this plug-in card has oneself independently power supply interface, still can finish Control work under the computing machine closing state.

Described transmitting-receiving conversion and control plate, it comprises transmitting-receiving conversion and control module, the data processing and control module with the transmitting-receiving conversion and control module other end is connected is electrically connected with control and executive module on the interface of data processing and control module.

Described control and executive module 300 is made up of state acquisition circuit 301, broadcasting control circuit 302, power control circuit 303, The Cloud Terrace, lens decoder control circuit 304, infrared equipment control circuit 305.Transmitting-receiving conversion and control module 100 can be made up of integrated circuit EPM7128, integrated circuit RTL8139B, 10M/100M/1000M network-bus driver; Serial ports end TX, the RX of integrated circuit RTL8139B is electrically connected with TX, the RX of 10M/100M/1000M network-bus driver, and 10M/100M/1000M network-bus driver is electrically connected with remote computer by network medium.In the data bus of integrated circuit EPM7128, address bus, the read-write control line and in the data bus of fracture and a data processing and control module, address bus, the read-write control line and a fracture be electrically connected.Described data processing and control module can be a microprocessor, as 8-bit microprocessor, as 51 series monolithics, also can adopt the microprocessor of 16 bit as 96 series monolithics, also can adopt 32-bit microprocessor.Described infrared equipment control circuit 305 can be by constituting with door, 555 time base circuits, driving triode G3, infraluminescence pipe, 555 time base circuits produce the square-wave signal of certain frequency such as 38KHZ, this signal is connected on an input end of one two input and door, another input end is by the I/O control of 89C58, two inputs are controlled triode G3 with the output of door, the collector of triode G3 drives an infraluminescence pipe and sends various control informations, finishes function corresponding after the equipment with infrared control receives this information.The driving circuit that broadcasting control circuit 302 is made of a triode G1 drives a relay J 1 and forms, two of relay J 1 normal battles are serially connected on the program circuit, by the I/O control triode G1 of 89C58 to realize to the broadcast of broadcasting and the control of closing.Power control circuit 303 is to drive a photoelectric device MOC3401 by triode G2, MOC3401 output control one transwitch, by total power switch of transwitch control, realize to other load the pass, open control.

Described The Cloud Terrace, lens decoder control circuit 304 can be realized longer-distance Serial Control by driven in series circuit MAX485 or MAX323, because the control chip in The Cloud Terrace, lens decoder, therefore the control to The Cloud Terrace, lens decoder mainly is to send command information to realize; Integrated circuit EPM7128, integrated circuit RTL8139B in the described transmitting-receiving conversion and control module 100 are connected to pci bus interface, can have the structure that is connected with the computer PCI slot.

The advantage of this invention: when carrying out device control owing to utilization calculating meter network, the speed of its transmitted data on network is very fast, it needs special chip to receive, conversion, handle, the speed needs that can not adapt to network transmission data for its speed of general micro-processor interface circuit, they are two years old, should finish the online transmission data between computing machine and the computing machine, finish management again to equipment, existing control device can't be finished its function, therefore, the utility model receives the control information from standard computer network by a transmitting-receiving conversion and control module, and this control information is converted to the information realization rate transition that a data processing and control module can receive; Data message that the receiving computer network sends sends to computing machine in this way, this data message is sent to the pci bus that is electrically connected with computing machine.Send to the control information of opertaing device in this way, by the control of data processing and control module realization to opertaing device.The utility model has convenience, flexible characteristic than existing control method and device, it can be realized the subregion of campus broadcasting, play setting-up exercises to radio music, break music etc. regularly, automatically, can allow multi-purpose computer functions that can't realize, practical such as computer network imitation closed-circuit television teaching function.

Description of drawings: below in conjunction with accompanying drawing the utility model is done to specify:

Fig. 1 represents the present embodiment theory diagram;

Fig. 2 represents that network communication is electrically connected schematic diagram;

Fig. 3 represents the electrical schematic diagram of controller control embodiment.

Embodiment: among the figure, 100, transmitting-receiving conversion and control module; 200, data processing and control module; 300, control and executive module: 301, state acquisition circuit; 302, broadcasting control circuit; 303, power control circuit; 304, The Cloud Terrace, lens decoder control circuit; 305, infrared equipment control circuit.

Among Fig. 1, transmitting-receiving conversion and control module 100 1 ends are electrically connected with remote computer, and the other end is electrically connected with data processing and control module 200, is electrically connected with control and executive module 300 on the interface of data processing and control module 200; Control and executive module 300 consists of the following components, state acquisition circuit 301, broadcasting control circuit 302, power control circuit 303, The Cloud Terrace, lens decoder control circuit 304, infrared equipment control circuit 305.Transmitting-receiving conversion and control module 100 can be made up of integrated circuit EPM7128, integrated circuit RTL8139B, 10M/100M/1000M network-bus driver; As shown in Figure 2, serial ports end TX, the RX of integrated circuit RTL8139B is electrically connected with TX, the RX of 10M/100M/1000M network-bus driver, and four network interfaces of 10M/100M/1000M network-bus driver are electrically connected with remote computer.Integrated circuit EPM7128, integrated circuit RTL8139B in the described transmitting-receiving conversion and control module (100) are connected to pci bus interface, can have the structure that is connected with the computer PCI slot.

In the data bus of integrated circuit EPM7128, address bus, the read-write control line and in the data bus of fracture and a data processing and control module 200, address bus, the read-write control line and a fracture be electrically connected.Described data processing and control module 200 can be a microprocessor, as 8-bit microprocessor, as 51 series monolithics, also can adopt the microprocessor of 16 bit as 96 series monolithics, also can adopt 32-bit microprocessor.That provide among Fig. 2 is the embodiment that adopts the 89C58 single-chip microcomputer.

Fig. 3 is the embodiment circuit connection diagram that control and executive module 300 provides.State acquisition circuit 301 is to be made of a switch S K and a resistance R 1, and switch S and a resistance R 1 are serially connected between the power supply, and its electric connection point is electrically connected with the I/O of 89C58.The driving circuit that broadcasting control circuit 302 is made of a triode G1 drives a relay J 1 and forms, two of relay J 1 normal battles are serially connected on the program circuit, by the I/O control triode G1 of 89C58 to realize to the broadcast of broadcasting and the control of closing; Power control circuit 303 is to drive a photoelectric device MOC3401 by triode G2, MOC3401 output control one transwitch, by total power switch of transwitch control, realize to other load the pass, open control.Other load can be heavy loads such as televisor, audio amplifier equipment, increases the reliability that photoelectric device MOC3401 strengthens control device in this control.The Cloud Terrace, lens decoder control circuit 304 can be realized longer-distance Serial Control by driven in series circuit MAX485 or MAX323, because the control chip in The Cloud Terrace, lens decoder, therefore the control to The Cloud Terrace, lens decoder mainly is to send command information to realize.And the equipment with infrared control is controlled by 305 realizations of infrared control circuit, provided in the present embodiment by with door, 555 time base circuits, drive triode G3, the red emission circuit that the infraluminescence pipe constitutes, 555 time base circuits produce the square-wave signal of certain frequency such as 38KHZ, this signal is connected on an input end of one two input and door, another input end is by the I/O control of 89C58, two inputs are controlled triode G3 with the output of door, the collector of triode G3 drives an infraluminescence pipe and sends various control informations, finishes function corresponding after the equipment with infrared control receives this information.As infrared equipments such as TV, projector are controlled.Among the embodiment that the utility model provides; just provided a kind of concrete enforcement circuit wherein; in fact the thought of the people that this specialty the is proficient in design that can provide according to the utility model people is designed various circuit; but the utility model the people think; so long as the thought that provides according to the utility model people, the circuit that designs in this framework all should be within the utility model institute protection domain.

Claims

1, a kind of remote control of teaching equipment, it is characterized in that: it comprises the transmitting-receiving conversion and control plate that is electrically connected with remote computer, this plate is plugged on the slot of computing machine with the form of plug-in card, this plug-in card has oneself independently power supply interface, still can finish Control work under the computing machine closing state.

2, the remote control of a kind of teaching equipment according to claim 1, it is characterized in that: described transmitting-receiving conversion and control plate, it comprises transmitting-receiving conversion and control module, data processing and control module with the transmitting-receiving conversion and control module other end is connected is electrically connected with control and executive module on the interface of data processing and control module.

3, the remote control of a kind of teaching equipment according to claim 2 is characterized in that: described control and executive module (300) is made up of state acquisition circuit (301), broadcasting control circuit (302), power control circuit (303), The Cloud Terrace, lens decoder control circuit (304), infrared equipment control circuit (305).

4, the remote control of a kind of teaching equipment according to claim 2 is characterized in that: transmitting-receiving conversion and control module 100 can be made up of integrated circuit EPM7128, integrated circuit RTL8139B, 10M/100M/1000M network-bus driver; Serial ports end TX, the RX of integrated circuit RTL8139B is electrically connected with TX, the RX of 10M/100M/1000M network-bus driver, and 10M/100M/1000M network-bus driver is electrically connected with remote computer by network medium.

5, according to the remote control of claim 1,2 described a kind of teaching equipments, it is characterized in that: in the data bus of integrated circuit EPM7128, address bus, the read-write control line and in the data bus of fracture and a data processing and control module, address bus, the read-write control line and a fracture be electrically connected.

6, according to the remote control of claim 1,2 described a kind of teaching equipments, it is characterized in that: described data processing and control module can be a microprocessor, as 8-bit microprocessor, as 51 series monolithics, also can adopt the microprocessor of 16 bit as 96 series monolithics, also can adopt 32-bit microprocessor.

7, according to claim 1, the remote control of 2 described a kind of teaching equipments, it is characterized in that: described infrared equipment control circuit (305) can by with door, 555 time base circuits, drive triode G3, the infraluminescence pipe constitutes, 555 time base circuits produce the square-wave signal of certain frequency such as 38KHZ, this signal is connected on an input end of one two input and door, another input end is by the I/O control of 89C58, two inputs are controlled triode G3 with the output of door, the collector of triode G3 drives an infraluminescence pipe and sends various control informations, finishes function corresponding after the equipment with infrared control receives this information.

8, according to the remote control of claim 1,2 described a kind of teaching equipments, it is characterized in that: the driving circuit that broadcasting control circuit (302) is made of a triode G1 drives a relay J 1 and forms, two of relay J 1 normal battles are serially connected on the program circuit, by the I/O control triode G1 of 89C58 to realize to the broadcast of broadcasting and the control of closing.

9, according to the remote control of claim 1,2 described a kind of teaching equipments, it is characterized in that: power control circuit (303) is to drive a photoelectric device MOC3401 by a triode G2, MOC3401 output control one transwitch, by total power switch of transwitch control, realize to other load the pass, open control.

10, according to the remote control of claim 1,2 described a kind of teaching equipments, it is characterized in that: described The Cloud Terrace, lens decoder control circuit (304) can be realized longer-distance Serial Control by driven in series circuit MAX485 or MAX323, because the control chip in The Cloud Terrace, lens decoder, therefore the control to The Cloud Terrace, lens decoder mainly is to send command information to realize; Integrated circuit EPM7128, integrated circuit RTL8139B in the described transmitting-receiving conversion and control module (100) are connected to pci bus interface, can have the structure that is connected with the computer PCI slot.