CN202749910U - Cinema low-voltage distribution system controlled by Telenet - Google Patents
Cinema low-voltage distribution system controlled by Telenet Download PDFInfo
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- CN202749910U CN202749910U CN 201220411873 CN201220411873U CN202749910U CN 202749910 U CN202749910 U CN 202749910U CN 201220411873 CN201220411873 CN 201220411873 CN 201220411873 U CN201220411873 U CN 201220411873U CN 202749910 U CN202749910 U CN 202749910U
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Abstract
The utility model discloses a cinema low-voltage distribution system controlled by the Telenet and the distribution system comprises a main controller, a master distribution module and a plurality of projection terminals. Each projection terminal respectively comprises a projection device and a terminal controller, wherein the terminal controller comprises a terminal processor and an execution unit and the execution unit is provided with more than one controllable switches for respectively controlling one projection device in a corresponding manner. The main controller sends control commands to each terminal processor by a switch. The terminal processors control closure or breaking of the controllable switches in the execution units based on the received control commands, thereby controlling operation or stop of the corresponding projection devices. In each projection terminal, the terminal processor collects operation state information of the projection device and sends to the main controller. According to the system provided by the utility model, control hardware required by automation projection is integrated and optimized aiming at a cinema projection process, thereby simplifying a wiring structure of projector houses of conventional cinemas and saving manpower.
Description
Technical field
The utility model relates to the low tension switch control appliance technical field of movie theatre automation projection system, particularly a kind of long-range network control movie theatre low-voltage distribution system.
Background technology
Film automation projection is the development trend of film equipment, but internal film institute all is by the control of simply throwing light on of common distribution box at present, will realize that on this basis the automation projection is just relatively more difficult.Movie theatre will be realized automatic management under the prerequisite that does not change existing equipment, just needs to add in addition other products, for example: automation module, switch, the products such as lighting network control.Thereby cause system configuration complicated, the movie theatre wiring is many and disorderly, has both increased the construction cost of movie theatre, also so that those of ordinary skill be difficult to safeguard normally.
Summary of the invention
Defective for prior art, the utility model proposes a kind of long-range network control movie theatre low-voltage distribution system, it is in addition integrated that it shows necessary control hardware with automation, and be optimized for the cinema projection process, to simplify the wire structures of existing cinema projection machine room, fill up the blank of domestic movie theatre industry.
To achieve these goals, the technical scheme that the utility model is taked is: a kind of long-range network control movie theatre low-voltage distribution system comprises master controller, for system provides total Power entry module of power supply, and shows terminal more than 1; Each is shown terminal and comprises respectively projection equipment and terminal control unit, and terminal control unit comprises terminal handler and performance element, and terminal handler connects master controller by switch, is provided with 1 above gate-controlled switch in the performance element; Each gate-controlled switch respectively correspondence is controlled the operation of a projection equipment or is stopped;
Master controller sends control command by switch to each terminal handler of showing terminal, and terminal handler is controlled the closed or disconnection of each gate-controlled switch in the performance element according to the control command that receives, thereby projection equipment corresponding to control moves or stop; Each is shown in the terminal, and terminal handler gathers the work state information of projection equipment in its place projection terminal, and work state information is sent to master controller by switch.
Further, the utility model also comprises killer switch, and killer switch comprises master switch and split-phase switch; Total Power entry module provides power supply by master switch for each projection terminal; The master switch inlet wire is three-phase five-wire mode, be parallel with 1 above distribution branch road on each phase-splitting phase line of master switch outlet, be connected in series successively split-phase switch, gate-controlled switch and projection equipment in each distribution branch road, when the killer switch closure state, under the control of terminal control unit, gate-controlled switch is realized the switching of closed and disconnected, can realize the operation of each corresponding projection equipment or stops.
Further, the utility model also comprises voltage transformer, and voltage transformer is threephase potential transformer, and its voltage input end is connected on each phase phase line of master switch outlet, and voltage output end connects terminal control unit.Operating voltage when being provided for of voltage transformer gathers the projection terminal works in the master switch outlet is so that monitor and analyze the operating state of projection terminal.
In addition, the utility model also comprises current transformer, and the current input terminal of current transformer connects each phase phase line of master switch outlet, and current output terminal connects terminal control unit.Current transformer is used for matching with voltage transformer, and the operating current when gathering the projection terminal works in the master switch outlet is to be more convenient for monitoring and analyzing the operating state of projection terminal.
Preferably, in the utility model, gate-controlled switch in the performance element is relay, relay can be selected existing grand power magnetic force keeping relay or grand two groups of transfer relays, to optimize performance of the present utility model: magnetic latching relay is as the supply of electric power, adhesive by control relay realizes the power turn-on closure on the phase line and disconnects control with disconnection, thereby realization is to the power supply control of equipment; The unlatching of screen and picture joint can be connected in parallel on by two groups of transfer relays and realize control on the manual switch that has the screen control system now.
Preferably, the terminal control unit in the utility model adopts existing single-chip microcomputer, and when terminal control unit received control command, it can just realize in conjunction with existing software engineering the switch control of performance element repeat circuit by the level that changes port; During voltage and current on collecting the bus switch outlet, also can carry out correlation analysis or calculating to the voltage and current signal that collects, thereby judge the work state information of projection equipment in the projection terminal, and can be sent to master controller by switch.Switch is the existing network switch.
The beneficial effects of the utility model are: by cooperating of terminal handler in the terminal control unit and performance element, so that the utility model can send the projection control that order can realize each projection equipment by master controller very easily, electric power starting such as digital projector and server, the unlatching of projector exhaust system power supply, the electric power starting of sound reproducing equipment, passage switch and volume adjusting, the unlatching of screen and picture joint, the shunt open and close of a lamp etc.Further, because these operations can realize by master controller, the film that can utilize a computer to finish a plurality of films Room during application plays and spectators' admission, end of a performance work, has greatly reduced cinema projection person's workload, has saved manpower.Simultaneously, carried out integrated and optimization because the utility model is shown necessary control hardware with automation, also simplified the wire structures of cinema projection machine room.
Description of drawings
Figure 1 shows that system architecture diagram of the present utility model;
Figure 2 shows that projection terminal specific embodiment control circuit schematic diagram of the present utility model;
Figure 3 shows that projection terminal connection schematic diagram of the present utility model.
Embodiment
For content of the present utility model is become apparent more, be described further below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, long-range network control movie theatre low-voltage distribution system of the present utility model comprises master controller, provides total Power entry module of power supply and a plurality of projection terminal for system; Each is shown terminal and comprises respectively projection equipment and terminal control unit; Terminal control unit comprises terminal handler and performance element, and terminal handler connects master controller by switch; Projection equipment in the general movie theatre specifically includes: the audio process in digital projector, server, projection exhaust system, the playback rack etc., screen, Room Internal Field Light switch etc.In the utility model, the performance element in the terminal control unit can be carried out the order of terminal handler, with the operation of controlling each projection equipment or stop.
Master controller is computer in the utility model, and switch is the existing network switch, and master controller is based on the terminal handler transmitting apparatus control command of internet network communication to the projection terminal, and obtains equipment running status information from terminal handler.Terminal handler can be selected existing industrial computer or single-chip microcomputer class chip of micro-computer.Gate-controlled switch selective relay in the performance element realizes that relay is selected existing grand power magnetic force keeping relay or grand two groups of transfer relays.Concrete, in conjunction with Fig. 2 and Fig. 3, the utility model is when operation, master controller passes through switch, terminal handler to each projection terminal sends control command, terminal handler is controlled the closed or disconnection of each relay contact in the performance element according to the control command that receives by exporting high-low level, thereby projection equipment corresponding to control moves or stop; Each is shown in the terminal, and terminal handler gathers the work state information of projection equipment in its place projection terminal, and work state information is sent to master controller by switch.
In concrete the application, the utility model also comprises killer switch, and killer switch comprises master switch and split-phase switch; Total Power entry module provides power supply by master switch for each projection terminal; The master switch inlet wire is three-phase five-wire mode, be parallel with 1 above distribution branch road on each phase-splitting phase line of master switch outlet, be connected in series successively split-phase switch, relay and different projection equipments in each distribution branch road, when killer switch is in closure state, under the control of terminal control unit, relay contact is realized the switching of closed and disconnected, can realize the operation of each corresponding projection equipment or stops.The utility model adopts magnetic latching relay as the supply of electric power, the adhesive by control relay with disconnect the power turn-on that can realize on the phase line and disconnect control, thereby realize the power supply control to equipment; The unlatching of screen and picture joint can be connected in parallel on by two groups of transfer relays and realize control on the manual switch that has the screen control system now.Work state information described in the utility model comprises the on off state of each relay in the performance element, and the voltage and current on each phase line of master switch outlet.
Voltage and current on each phase line of master switch outlet is realized by existing threephase potential transformer PT summation current transformer CT, as shown in Figure 2, the voltage input end of a voltage transformer pt i.e. winding is connected on each phase phase line of master switch outlet, and voltage output end is the port that secondary winding connects the terminal control unit single-chip microcomputer.The current input terminal of a Current Transmit i.e. winding consecutive is connected in each phase phase line of master switch outlet, and current output terminal is the port that secondary winding connects terminal control unit.Current transformer matches with voltage transformer, and operating voltage and operating current when gathering the projection terminal works in the master switch outlet are to be more convenient for monitoring and analyzing the operating state of projection terminal.
For so that the wiring of projection in the terminal is neat, convenient, the utility model is provided with light current terminal board Z, forceful electric power terminal board X, zero terminal row N and ground wire terminal row GND in the projection terminal in addition.
The utility model is when using, can send the projection control that order can realize each projection equipment by master controller very easily, electric power starting such as digital projector and server, the unlatching of projector exhaust system power supply, the electric power starting of sound reproducing equipment, passage switch and volume adjusting, the unlatching of screen and picture joint, the shunt open and close of a lamp etc.Further, because these operations can realize by master controller, the film that can utilize a computer to finish a plurality of films Room during application plays and spectators' admission, end of a performance work, has greatly reduced cinema projection person's workload, has saved manpower.
The case of implementation described in the utility model only is better case study on implementation of the present utility model, is not to limit practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as technology category of the present utility model.
Claims (7)
1. a long-range network control movie theatre low-voltage distribution system is characterized in that, comprises master controller, for system provides total Power entry module of power supply, and shows terminal more than 1; Each is shown terminal and comprises respectively projection equipment and terminal control unit; Terminal control unit comprises terminal handler and performance element, and terminal handler connects master controller by switch; Comprise 1 above gate-controlled switch in the performance element; Each gate-controlled switch respectively correspondence is controlled the operation of a projection equipment or is stopped;
Master controller sends control command by switch to each terminal handler of showing terminal, and terminal handler is controlled the closed or disconnection of each gate-controlled switch in the performance element according to the control command that receives, thereby projection equipment corresponding to control moves or stop; Each is shown in the terminal, and terminal handler gathers the work state information of projection equipment in its place projection terminal, and by switch work state information is sent to master controller.
2. long-range network control movie theatre low-voltage distribution system according to claim 1 is characterized in that, comprises that also killer switch, killer switch comprise master switch and split-phase switch; Total Power entry module provides power supply by master switch for each projection terminal; The master switch inlet wire is three-phase five-wire mode, is parallel with 1 above distribution branch road on each phase-splitting phase line of master switch outlet, is connected in series successively split-phase switch, gate-controlled switch and projection equipment in each distribution branch road.
3. long-range network control movie theatre low-voltage distribution system according to claim 2, it is characterized in that, also comprise voltage transformer, voltage transformer is threephase potential transformer, its voltage input end is connected on each phase phase line of master switch outlet, and voltage output end connects terminal control unit.
4. according to claim 2 or 3 described long-range network control movie theatre low-voltage distribution systems, it is characterized in that, also comprise current transformer, the current input terminal of current transformer connects each phase phase line of master switch outlet, and current output terminal connects terminal control unit.
5. long-range network control movie theatre low-voltage distribution system according to claim 1 and 2 is characterized in that the gate-controlled switch in the described performance element is relay.
6. according to claim 1 to 3 each described long-range network control movie theatre low-voltage distribution systems, it is characterized in that terminal handler is single-chip microcomputer.
7. long-range network control movie theatre low-voltage distribution system according to claim 4 is characterized in that terminal handler is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411873 CN202749910U (en) | 2012-08-17 | 2012-08-17 | Cinema low-voltage distribution system controlled by Telenet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411873 CN202749910U (en) | 2012-08-17 | 2012-08-17 | Cinema low-voltage distribution system controlled by Telenet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749910U true CN202749910U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411873 Expired - Fee Related CN202749910U (en) | 2012-08-17 | 2012-08-17 | Cinema low-voltage distribution system controlled by Telenet |
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| Country | Link |
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| CN (1) | CN202749910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762820A (en) * | 2018-06-12 | 2018-11-06 | 中影环球（北京）科技有限公司 | A kind of control system of projection equipment and switch machine management system |
-
2012
- 2012-08-17 CN CN 201220411873 patent/CN202749910U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762820A (en) * | 2018-06-12 | 2018-11-06 | 中影环球（北京）科技有限公司 | A kind of control system of projection equipment and switch machine management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20190817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |