CN203490493U - Firework setoff control device based on CAN bus technology - Google Patents
Firework setoff control device based on CAN bus technology Download PDFInfo
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- CN203490493U CN203490493U CN201320570919.5U CN201320570919U CN203490493U CN 203490493 U CN203490493 U CN 203490493U CN 201320570919 U CN201320570919 U CN 201320570919U CN 203490493 U CN203490493 U CN 203490493U
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Abstract
The utility model discloses a firework setoff control device based on the CAN bus technology; the control device comprises a host computer, a CAN bus adapter, a plurality of onsite control work stations (intelligent nodes) and a plurality of ignition ports connected on each work station; the host computer is connected with the CAN bus through the CAN bus adapter; each onsite control work station is connected with the CAN bus adapter through the CAN bus; the onsite control work station comprises a CAN bus driver, a CAN controller and a micro controller; the host computer is used for setting different firework setoff schemes and sending relative control instructions to each onsite control work station; the onsite control work station receives the control instruction sent by the host computer, and ignites a firework lead wire through the ignition port; the beneficial effects are that the firework setoff control device based on the CAN bus technology is highly reliable in data transmission, long in communication distance, strong in interference immunity; the number of the onsite control work stations can be freely added or reduced according to needs, thereby satisfying firework setoff demands in various occasions.
Description
Technical field
The utility model relates to a kind of firework setting-off control device, is specifically related to a kind of CAN of employing bus as the fireworks setting-off device of communication network, belongs to fireworks equipment technical field.
Background technology
Along with intellectuality and the networking of Industry Control, firework display has developed into present program control sparking mode by traditional sparking mode hand-manipulated, from speed and security, is all greatly improved.Present firework setting-off control device on the market, master controller and each ignition terminal are mainly to carry out data transmission and reception by serial communication interface standards such as RS-485, the maximum communication distance of RS-485 only has 1.2KM, and the real-time of system, poor reliability, from communication distance, on the expansibility of communication reliability and system, all can not meet the requirement of large-scale firework setting-off control device.The maximum transmission distance of CAN bus reaches 10KM, and antijamming capability is strong, has stronger error detection capability, can automatically complete error handling processing and reply process, guarantees the reliability of data transmission, and work on the spot station quantity can be added and subtracted arbitrarily.Adopt CAN bus as communication network, each terminal ignition controller is connected into a distributed intelligence firework setting-off control device, fault-tolerance, reliability and the real-time with height, guarantee that firework display is reliable and secure, field control workstation quantity is expanded convenient, applicable to the firework display of different scales, controls.
Utility model content
Order of the present utility model is to provide a kind of CAN of employing bus as the firework setting-off control device of communication network, improves reliability and the security of firework display, realizes the automatic control of different scales firework display.
The technical solution adopted in the utility model is: this firework setting-off control device based on CAN bussing technique, comprise host computer, CAN bus adapter, a plurality of field control workstation (intelligent node) and be connected to several igniting ports on each workstation, host computer connects CAN bus by CAN bus adapter, and each field control workstation is connected by CAN bus with CAN bus adapter.
Above-mentioned a kind of firework setting-off control device based on CAN bussing technique, described host computer is for arranging different firework display schemes and sending relevant control order to each field control workstation, described field control workstation receives the control command that host computer sends, by firing tip stomion combustion fireworks leads.
Above-mentioned a kind of firework setting-off control device based on CAN bussing technique, described field control workstation comprises a CAN bus driver, a CAN controller and a microcontroller.
Above-mentioned a kind of firework setting-off control device based on CAN bussing technique, the CAN bus driver that described field control workstation comprises is selected TJA1050 chip, and described CAN controller is selected SJA1000 chip, and described microcontroller is selected STC89C52 single-chip microcomputer.
Above-mentioned a kind of firework setting-off control device based on CAN bussing technique, described igniting port comprises a NPN type compound transistor and an electronic ignition head.
Technique effect of the present utility model is: adopt CAN bus as communication network, realize the automatic control of firework display, have the communication distance advantages such as fault-tolerance, reliability and real-time far, highly; Field control workstation quantity can increase and decrease arbitrarily according to actual needs, meets the demand of different scales igniting fireworks; Adopt the layout of host computer software, order and the time interval of setting off can be set arbitrarily, increase the sight of the process of setting off.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is field control workstation circuit diagram of the present utility model;
Fig. 3 is igniting port circuit diagram of the present utility model.
Embodiment
Referring to Fig. 1, system is comprised of host computer, CAN bus interface adapter and a plurality of field control workstation (intelligent node).Adopt CAN bus as communication network, each workstation is connected into a distributed intelligence firework display control system.Network topology structure is bus mode, and host computer adopts PC, by CAN interface adapter, is connected with CAN bus, carries out message exchange, and realization is communicated by letter with each work on the spot station, and each work on the spot station of system is controlled.Field control workstation includes a CAN bus driver, a CAN controller and a microcontroller, CAN bus driver is selected TJA1050, using SJA1000 chip as CAN bus controller, STC89C52 single-chip microcomputer as microcontroller, transmission medium adopts twisted-pair feeder, when traffic rate is made as 20kbit/s, the distance between any two nodes of CAN bus can reach 3.3km, can meet the communicating requirement of system completely.The anti-dry sorrow ability of CAN bus is strong, adopts short frame structure, and every frame information has verification and other verification measure, has strong error detection function, can automatically complete error handling processing and reply process, guarantees the reliability of data transmission.
Communication protocol adopts the form of " ID+ order+data+verification ", and wherein ID is 11 bit identifiers and corresponding one by one with each workstation, by identifier, can realize the access control to network medium.According to the needs of system, order is divided into generic command and addressed command, generic command refers to the order that all workstations that receive orders all will be carried out, addressed command refers to the order of only having the workstation of appropriate address just to carry out, because CAN bus data frame at most can be with the data of 8 bytes, using first byte as address, second byte is as command byte, for the action that represents that workstation will be carried out; Data represent the particular content of communication, and the data in communication process all adopt the mode of ASCII character to transmit; Be verified as a byte, adopt the form of cumulative sum.
On host computer, be provided with and set off control software, setting off control software adopts Visual Basic6.0 to write, based on Windows operating system and Access database, Windows standard menu item and the function button such as it comprises, and firework display is controlled, seted off rule setting, sets off that history is checked, user management, data base administration, login password are revised, exited.
Host computer can each workstation output point fire end of layout set off order, set off the time interval, the parameters such as the firework display rule at each work on the spot station, and by CAN bus adapter and CAN bus, to each work on the spot station, send control command and control igniting; Work on the spot station receives the control command that upper managing computer is sent, and lights the lead-in wire of fireworks, realizes the automatic control of firework display.
Referring to Fig. 2, field control workstation is mainly comprised of microcontroller STC89C52, independent CAN communication controler SJA1000, CAN bus driver TJA1050 and high-speed photoelectric coupler 6N137.Microprocessor STC89C52 is responsible for the initialization of SJA1000, by controlling SJA1000, realizes the communication tasks such as the reception of data and transmission.
The AD0-AD7 of SJA1000 is connected to the P0 mouth of STC89C52,
be connected to the P2.0 of STC89C52.P2.0 is that SJA1000 can be chosen in 0 o'clock CPU chip external memory address, and CPU can carry out corresponding read/write operation to SJA1000 by these addresses.SJA1000's
aLE is connected with the corresponding pin of STC89C52 respectively,
connect STC89C52's
sTC89C52 also can access SJA1000 by interrupt mode.In order to strengthen the antijamming capability of CAN bus workstation, the TX0 of SJA1000 is not to be directly connected with RXD with the TXD of TJA1050 with RX0, but be connected with TJA1050 by after high speed photo coupling 6N137, so just well realized the internodal electrical isolation of each CAN in bus.The interface section of TJA1050 and CAN bus has also adopted certain safety and interference protection measure.The little electric capacity of two 100pF in parallel between the CANH of TJA1050 and CANL and ground, can play the ability of high frequency interference in filtering bus and certain anti-electromagnetic radiation.
Referring to Fig. 3, in figure, 1 is electronic ignition head, the I/O mouth of single-chip microcomputer connects the base stage of NPN type compound transistor, connect+5V of the collector of triode power supply, electronic ignition head one end is connected on the emitter of triode, other end ground connection, the ignition point in the middle of electronic ignition head is connected on the lead-in wire of setting off fireworks, and by single-chip microcomputer output switch amount, is controlled and is provided the voltage of 5V and enough large electric current can light the lead-in wire of fireworks to electronic ignition head.
Claims (3)
1. the firework setting-off control device based on CAN bussing technique, it is characterized in that: comprise host computer, CAN bus adapter, a plurality of field control workstation and be connected to several igniting ports on workstation, host computer connects CAN bus by CAN bus adapter, and each field control workstation is connected by CAN bus with CAN bus adapter.
2. a kind of firework setting-off control device based on CAN bussing technique according to claim 1, is characterized in that: described field control workstation comprises a CAN bus driver, a CAN controller and a microcontroller.
3. a kind of firework setting-off control device based on CAN bussing technique according to claim 1, is characterized in that: described igniting port comprises a NPN type compound transistor and an electronic ignition head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570919.5U CN203490493U (en) | 2013-09-07 | 2013-09-07 | Firework setoff control device based on CAN bus technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570919.5U CN203490493U (en) | 2013-09-07 | 2013-09-07 | Firework setoff control device based on CAN bus technology |
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| Publication Number | Publication Date |
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| CN203490493U true CN203490493U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320570919.5U Expired - Fee Related CN203490493U (en) | 2013-09-07 | 2013-09-07 | Firework setoff control device based on CAN bus technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376359A (en) * | 2017-03-31 | 2017-11-24 | 泉州鹰击长空遥控科技有限公司 | A kind of remote controlled games system |
-
2013
- 2013-09-07 CN CN201320570919.5U patent/CN203490493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376359A (en) * | 2017-03-31 | 2017-11-24 | 泉州鹰击长空遥控科技有限公司 | A kind of remote controlled games system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140907 |
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| EXPY | Termination of patent right or utility model |