CN202452897U - Multi-channel wireless firework ignition device with self-detecting function - Google Patents
Multi-channel wireless firework ignition device with self-detecting function Download PDFInfo
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- CN202452897U CN202452897U CN2011205180341U CN201120518034U CN202452897U CN 202452897 U CN202452897 U CN 202452897U CN 2011205180341 U CN2011205180341 U CN 2011205180341U CN 201120518034 U CN201120518034 U CN 201120518034U CN 202452897 U CN202452897 U CN 202452897U
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Abstract
A multi-channel wireless firework ignition device with a self-detecting function can achieve distant firework ignition in a wireless remote control manner. The fire work ignition device is mainly composed of two parts, i.e. an ignition remote controller and an ignition main machine, wherein the ignition remote controller controls the ignition main machine in a wireless remote control manner; the ignition main machine consists of a detection module, a display module, an ignition module, a wireless module, a power source module and a safety locking key; the detection module can be used for detecting whether an ignition main machine line is normal or not after firework arrangement and line junction; the detection result is displayed via the display module; the ignition module comprises 2-16 independent ignition channels, and each channel can be connected with a firework lead via an electric igniter; when the wireless module receives a wireless signal from the ignition remote controller, the electric igniter is ignited by the ignition module, and further the firework lead is ignited to achieve the ignition of the firework; and the safety locking key is must be in an igniting state during igniting process, otherwise, the ignition operation is not executed, so that the safety of operators during firework arrangement can be ensured.
Description
Technical field
The utility model relates to a kind of remote fireworks ignition installation, particularly uses wireless remote control to be implemented in 5 meters to the 300 meters scopes many groups fireworks are carried out independent equipment of lighting a fire.
Background technology
At present, along with the development of igniting fireworks technology, set off for ensureing fireworks safety, remote electronic ignition equipment occurred, igniting fireworks equipment mainly contains following two kinds at present:
1. the application number of announcing like State Intellectual Property Office is that the application for a patent for invention of " 200510136640.6 " is said; This invention can be implemented in and designs igniting fireworks on the computer; Implement igniting by electronic equipment; And can carry out self-checking function to equipment, when having solved fireworks and igniting fireworks relevant and the stationary problem of fireworks with music editor.What this invention was directed against is large-scale music igniting fireworks, often sets off for one to connect hundreds of fireworks.Need operating personnel that professional knowledges such as fireworks, music are arranged, equipment cost height, complicated operation, technical difficulty are big, and the small-sized igniting fireworks of incompatible general family and enterprise uses.
2. the application number of announcing like State Intellectual Property Office is that the application for a patent for invention of " 201110071509.1 " is said; This invention has realized the long-distance wireless remote control igniting; But owing to have only one tunnel ignition switch; In the face of setting off the demands of many group fireworks, can only be after one group of fireworks have been put connection device again, perhaps use many complete equipments.And this equipment does not comprise self-checking function, and fault can only be found when setting off, and has increased the unreliability of equipment, has also caused igniting fireworks process safe hidden danger.
Can recognize from foregoing invention,, compare on-the-spot naked light class igniting such as traditional cigarette, lighter, improve security though occurred the long-distance remote control ignition installation at present.But if small-sized igniting fireworks of safe and reliable completion has following several problem:
1. for large-scale igniting fireworks, employing be ripe scheme and complicated and the equipment with high costs seted off, if but this scheme and equipment directly are used for small-sized igniting fireworks, the equipment of facing has high input, the problem of equipment complicated operation.
2. for small-sized igniting fireworks; Existing on the market remote fireworks ignition installation; Only to single passage igniting; Though realized that long distance ignition improves a lot than original artificial on-the-spot open firing point fire safety property, but still can not satisfy in the small-sized igniting fireworks demand to the igniting of many groups fireworks.Realize that through increase equipment the igniting of many group fireworks can drop into by increase equipment again; Put through one group of fireworks and to have connected next group fireworks again and will influence the continuity of igniting fireworks to the scheme on the equipment again.
3. existing on the market small-sized remote fireworks IGNITION CONTROL equipment lacks self-checking function; Can not confirm before lighting fireworks whether circuit connects normally; The wireless remote control ignition installation is connected with the fireworks lead-in wire through electric igniter; The loose contact of equipment and electric igniter coupling part and the fault of electric igniter all can cause loss of ignition, influence ignition success rate and security.Though large-scale igniting fireworks equipment has self-checking function; But large-scale igniting fireworks is owing to need to connect hundreds and thousands of fireworks; So the emphasis of measuring ability is a plurality of igniter head of fast detecting how, what take is the electric current that microcontroller chip provides a few microsecond times for each electric igniter, according to the moment through electric current; Microcontroller detects the level of pin and judges just whether circuit is normal; This mode need comprise microprocessor in circuit, and microprocessor is carried out software programming, and this detection scheme is feasible for the large-scale igniting fireworks equipment that comprises microprocessor; But, increase microprocessor and must cause increasing equipment cost for the mini-plant that does not comprise microprocessor.
Summary of the invention
In order to overcome the existing deficiency of remote fireworks ignition installation in small-sized igniting fireworks, the utility model provides a kind of channel wireless radio multi fireworks ignition installation with self-checking function.Except that the characteristics of the long distance ignition that possesses general wireless ignition installation; Also has function from the detection line path connectedness; Testing circuit does not need the control of microprocessor, and can control 2 ~ 16 independently ignition channels simultaneously, for small-sized igniting fireworks provides safe and reliable equipment guarantee.
The utility model solves the technical scheme that its technical problem adopted: the channel wireless radio multi fireworks ignition installation of this band self-checking function; Comprise light a fire remote controller and igniting main frame two parts, the remote controller of wherein lighting a fire comprises the display module of the outside key-press module of importing of reception, display button module input information, the power module of power supply is provided to the wireless module of igniting main frame transmission ignition order with for the remote controller of lighting a fire through wireless mode; The ignition module that the power module that the igniting main frame comprises the wireless module that receives igniting remote controller wireless command and power supply is provided for the igniting main frame and control ignition channel are lighted a fire, the main frame that it is characterized in that lighting a fire also comprise the testing result of the detection module that is used for each ignition channel connection line of test point owner of the house where a fire started machine with sense switch and testing circuit, demonstration detection module and indicate display module, the ignition module of wireless module duty to comprise 2 ~ 16 independent ignition channels.
The testing circuit of igniting main frame by Zener diode, the resistance that is used to limit display module and electric igniter electric current constitutes; The wherein series circuit of the Zener diode of testing circuit and display module and electric igniter parallel connection, the current-limiting resistance of testing circuit and display module and the series connection of electric igniter series circuit.
The scope of the Zener diode voltage stabilizing of igniting main frame testing circuit is 0.3V ~ 18V, and the resistance scope of testing circuit is 20 Ω ~ 100 K Ω.
For further improving security; The igniting main frame also can comprise the safety locking key that power supply is controlled to ignition module; The safety locking key comprises safety, igniting two states; At safe condition, the safety locking key has broken off power module and has been connected with direct circuit between the ignition module, and ignition module can't be carried out ignition operation; The safety locking key is in fired state, and power module and ignition module directly are communicated with, and provides ignition module required priming supply.
Presentation Function available segments charactron or the light emitting diode of the display module of igniting main frame realize, can show the duty to the testing result of each ignition channel and wireless module, safety locking key.
The sense switch that the detection module of igniting main frame is used to open, close detection can be the common switch with on-off function, also can be from recovering toggle switch.
Testing circuit in the igniting main frame detection module is connected in series by the current-limiting resistance of the Zener diode that is used for steady display modular segment charactron and electric igniter voltage and section charactron that is used to limit display module and electric igniter electric current and constitutes; Current value when making detection is in the safe current scope of electric igniter; The electric current that promptly flows through electric igniter is less than 0.25A; But this electric current can be lighted the section charactron or the light emitting diode of display module again, and promptly the electric current of the section of flowing through charactron and Light-Emitting Diode is greater than 0.003A.Through detecting and showing, make operating personnel behind all devices of having plugged into, circuit, formally carry out before the fireworks igniting and can detect and see testing result lucidly to each ignition channel.
Said igniting remote controller sends order through wireless mode to the igniting main frame.Wherein order comprises synchronizing information, igniting host address number and igniting host channel number: it is consistent that synchronizing information guarantees that wireless transmission remains frequency when transmitting data with wireless receiving; Each comprises unique igniting host address number to igniting remote controller and igniting main frame, and the igniting remote controller can only be controlled the igniting main frame that comprises same igniting host address number, the igniting remote controller control that the igniting main frame also can only involved same igniting host address number; The igniting host channel number indicates the concrete channel number that this order is control point owner of the house where a fire started's machine.
Said igniting main frame is through regular tap or recover the startup of toggle switch control measuring ability certainly and stop.The detection and the igniting of igniting main frame need power module that power supply is provided.When adopting regular tap; After detection finishes, needing manual work to carry out switch closes; Disconnection detection part power supply adopts from recovering toggle switch and then can after detection finishes, get back to halted state, automatic disconnection test section power supply automatically; The power supply that power module provides when igniting all offers ignition module, improves effectively and the assurance ignition success rate.
Said igniting main frame shows the testing result of detection module through the section charactron.The hop count sign indicating number is to be formed by 2 ~ 16 groups of light, and every group of luminescent device comprises positive input terminal and negative input end, flows through when the positive input terminal of luminescent device flows to the electric current that has between the negative input end greater than 0.003A, and this group luminescent device is lighted.Putting in order of the luminescent device of section charactron is consistent with the ignition channel of ignition module, during detection, and lighting or not lighting and show that circuit is normally and fault through luminescent device.
The channel wireless radio multi ignition installation of above-mentioned band self-checking function has following technical characterstic:
1. use multichannel to satisfy small-sized igniting fireworks: igniting main frame of an igniting remote controller control of the utility model; An igniting main frame comprises 2 ~ 16 ignition channels; Can carry out independent igniting to 2 ~ 16 groups of fireworks, can guarantee the market demand of a small-sized igniting fireworks.
2. adopt the detection line that is different from large-scale igniting fireworks, make after circuit installation portion administration accomplishes,, to show testing result, can in time investigate fault when breaking down in advance through the detection of igniting main frame.And not with the wireless igniter from checkout equipment, only the discovery fireworks are not lighted and could be found fault when setting off, and at this moment go to investigate the continuity that fault can influence igniting fireworks.
The beneficial effect of the utility model is; Can carry out the long-distance remote control igniting to small-sized igniting fireworks; Self-checking function through the igniting main frame can connect situation by detection line before setting off, improved the reliability of igniting fireworks, has guaranteed to set off personnel's safety; Set off personnel and can carry out that plug in the scene, detecting operation before implementing safely setting off through the safety locking key being set, making.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the utility model equipment frame composition.
Fig. 2 is the structured flowchart of igniting remote controller.
Fig. 3 is the structured flowchart that does not comprise the igniting main frame of safety locking key.
Fig. 4 is the igniting main machine structure block diagram that comprises the safety locking key.
Fig. 5 is that the igniting main frame detects principle schematic.
Fig. 6 is the igniting main frame theory diagram that comprises the safety locking key.
Fig. 7 is igniting host circuit figure.
The specific embodiment
Referring to Fig. 1, igniting remote controller 101, igniting main frame 102 are the utility model parts among the figure.Igniting remote controller 101 sends wireless command through wireless to igniting main frame 102.Each igniting main frame 102 comprises 2 ~ 16 groups of independence ignition channels, satisfies the demand of setting off of small-sized fireworks.If small-sized fireworks need ignition channel to surpass 16 groups, can use many complete equipments, because the igniting host address difference in the wireless command that every suit igniting remote controller 101 sends, so can not interfere with each other when many complete equipments are worked simultaneously.And because in the utility model; Each comprises unique igniting host address number to igniting remote controller and igniting main frame; The igniting remote controller can only be controlled the igniting main frame that comprises same igniting host address number; The igniting main frame also can only involved same igniting host address number the control of igniting remote controller, so even same set off the place or near same igniting fireworks is arranged, can not interfere with each other yet.
Referring to Fig. 2, the igniting remote controller is by key-press module 201, wireless module 202, and power module 203, display module 204 is formed, and each module is all or part of to be integrated on the igniting remote controller mainboard 200 or to be fixed on the igniting remote controller mainboard 200.Wherein key-press module 201 receives the input of users with the button form, and different keys is represented different ignition host channel number.According to this igniting host channel number, wireless module No. 202 is modulated synchronizing information, igniting host address number and igniting host channel and is launched.Display module 204 is pressed and the flicker when sending of wireless module 202 data at key-press module 201, and the expression Digiplex is in running order.Power module 203 is for equipment provides power supply, and power supply is managed, and guarantees that other modules are operated in the operating voltage range.
Wireless module shown in Figure 2 202 uses coding chip PT2262 that synchrodata, igniting host address number, igniting host channel number are modulated, and is the analog signal emission with digital signal transition.
Referring to Fig. 3, the igniting main frame is by detection module 301, display module 302, and wireless module 303, ignition module 304 is formed with power module 305, and each module is all or part of to be integrated on the igniting main frame mainboard 300 or to be fixed on the igniting main frame mainboard 300.Wherein 301 pairs of line connectivitys of detection module detect, if circuit is normal, show testing result through display module 302.Wherein wireless module 303 carries out demodulation with the wireless signal that it received comes the self-ignition remote controller to send, if wireless signal does not comprise the unique igniting host address of this igniting main frame number, does not then handle this wireless signal.If wireless module 303 receive correct wireless signal promptly this wireless signal comprise the unique igniting host address of this igniting main frame number; Then ignition module 304 is opened the power switch of the ignition channel that wireless signal mid point owner of the house where a fire started machine channel number indicates, and power module 305 provides ignition module 304 igniting required power supply.Display module 302 is when receiving the signal that wireless module 303 transmits, and the control LED flash representes that wireless module 303 is in running order.
Referring to Fig. 4, the igniting main frame is by detection module 401, display module 402, and wireless module 403, ignition module 404, power module 405 is formed with safety locking key 406, and different with Fig. 3 is that Fig. 4 has increased safety locking key 406.All or part of being integrated on the igniting main frame mainboard 400 of each module perhaps is fixed on the igniting main frame mainboard 400.401 pairs of line connectivitys of detection module detect, if circuit is normal, show testing result through display module 402.Wherein wireless module 403 is the wireless signal demodulation that it received comes the self-ignition remote controller to send, if wireless signal does not comprise the unique igniting host address of this igniting main frame number, then do not handle this wireless signal.If wireless module 403 receive correct wireless command promptly this wireless command comprise the unique igniting host address of this machine igniting main frame number, then ignition module 404 is opened the power switch of the ignition channel that wireless signal mid point owner of the house where a fire started machine channel number indicates.The output of safety locking key 406 control power modules 405; At safety locking key 406 two states can be set manually is safe condition and fired state; When safety locking key 406 is in a safe condition; The power supply that 405 pairs of ignition channels of power module provide only can satisfy the detection of detection module 401 and the demonstration of display module 402 is used, and the igniting requirement that does not reach ignition module 404 has guaranteed the safety that fireworks are disposed and detected under this state; When safety locking key 406 was in fired state, can control power module 405 provided ignition module 404 igniting required power supply.Display module 402 is when receiving the signal that wireless module 403 transmits, and the control LED flash representes that wireless module 403 is in running order.
Referring to Fig. 5, the sense switch 501 of igniting main frame, current-limiting resistance 502, display device 503, electric igniter 504, battery 505, Zener diode 506 are accomplished measuring ability.Display device 503 is connected with electric igniter and is connected with current-limiting resistance 502, and the electric current of display device 503 and electric igniter 504 is flow through in current-limiting resistance control.Display device 503 is parallelly connected with Zener diode 506 again with the electric igniter series connection, the voltage at Zener diode 506 control display devices 503 and electric igniter 504 two ends.
Referring to Fig. 6, ignition function is accomplished in the safety locking key 607 of igniting main frame, electric igniter 603, driver module 604, decoding module 605, power module 606 series connection.Detection module 601 and display module 602 series connection back and 607 parallel connections of safety locking key; When safety locking key 607 is in a safe condition; The direct circuit of power module 606 and electric igniter 603 is connected disconnection; The flow through electric current of electric igniter 603, and examined module 601 controls of the voltage at electric igniter 603 two ends can not be accomplished ignition operation; When safety locking key 607 was in fired state, power module 606 was communicated with electric igniter 603 direct circuits, when decoding module 605 is communicated with, by the big electric current of driver module 604 outputs, accomplished ignition operation.
Specific embodiment is referring to Fig. 7; The igniting main frame comprises wireless antenna ANT, double operational circuit LM358, decoding chip PT2272, decoding circuit HEF4514, drive circuit ULN2803, current-limiting resistance R1, R3; Zener diode D2, D3; Sense switch SW2, voltage transformation module LM7805, safety locking key relay indicating light D5, section charactron D6 and D7, wireless module working station indicator D1, safety locking key SW1, R2 and R4 are electric igniters.1 pin of decoding chip PT2272 ~ 8 pin are the address pin, the address number of this igniting of level decision main frame of 8 pin, and 18 pin meet power vd D, 9 pin ground connection, 10 pin ~ 13 pin are output; 24 pin of decoding circuit HEF4514 meet power vd D, 12 pin ground connection, and 2 pin, 3 pin, 21 pin, 22 pin connect 13 pin of PT2272 successively, 12 pin, 11 pin, 10 pin, 4 pin of HEF4514 ~ 11 pin, 13 pin ~ 20 pin are output port; SW2 is a sense switch, and when opening switch, 5 pin and 6 pin are connected states, and 1 pin and 2 pin are connected states, and other each pin are off-states, and when switch cut out, 2 pin and 3 pin were connected states, and 5 pin and 4 pin are connected states, and other each pin are off-states; SW1 is the safety locking key, and when 2 pin and 3 pin were communicated with, the safety locking key was in a safe condition, and when 1 pin and 2 pin were communicated with, the safety locking key was in fired state.
Referring to Fig. 7; During detection, SW2 is in open mode, and 5 pin and 6 pin are in connected state; 1 pin and 2 pin are in connected state; Electric current flows out from positive source, 5 pin of process SW2 and 6 pin, current-limiting resistance R5, electric igniter R2, section charactron D6, and 1 pin and 2 pin of current-limiting resistance R1, SW reach power cathode.When electric igniter R2 is communicated with, form and detect the loop, the electric current section of flowing through charactron D6 is arranged, D6 is lighted indication R2 and is connected normal; When R2 when opening circuit, do not form and detect the loop, D6 is not lighted.
Referring to Fig. 7, during igniting, 1 and 2 of safety locking key SW1 is in connected state; When PT2272 receives wireless signal,, after HEF4514 decoding, give the respective channel high level through 10 pin ~ 13 pin output; Electric igniter R2 one side links to each other through D4 with positive source, and a side links to each other with ULN2803, and ULN2803 is with the high level counter-rotating of HEF4514; Make electric igniter R2 both sides produce voltage; Thereby the big electric current of ULN2803 drive circuit output flows through electric igniter R2, because electric current surpasses the electric igniter ignition voltage, electric igniter is lighted.
Referring to Fig. 7, when safety locking key 1 pin and the connection of 2 pin, 2 pin of positive source, SW1,1 pin of SW1, Light-Emitting Diode D5, power cathode forms the loop, and Light-Emitting Diode D5 is lighted, and indication safety locking key is in fired state.
The channel wireless radio multi ignition installation circuit analysis of band self-checking function
Power unit
The igniting remote controller uses the alkaline battery power supply with the igniting main frame.The igniting remote controller uses a joint 12V alkaline battery that entire equipment is supplied power, and when button was not pressed, device interior did not have electric current, had the low-power consumption characteristics.The igniting main frame comprises the alkaline battery of two joint 9V, use voltage stabilizing chip LM7805 convert into+voltage of 5V is output as the wireless module power supply.
Wireless transmission and reception
The 315MHZ uni-directional wireless radio-frequency module of wireless employing ASK modulation comprises the wireless transmission of the remote controller of lighting a fire and the wireless receiving composition of igniting main frame.The wireless transmission part is made up of coding chip PT2262, sound surface resonance device R315A, high frequency power pipe, button; The wireless receiving part is made up of decoding chip PT2272, capacitance connecting three point type oscillator, operational amplifier.Number forms a complete wireless command by synchronizing information, igniting host address number and igniting host channel,, be modulated into the analog signal transmission through coding chip PT2262 coding; The igniting main frame is strengthened signal through ultra-audio circuit; Through amplifying the 14 pin DIN of comparison circuit input decoding chip PT2272, PT2272 carries out the verification of twice coupling, if consistent then with the analog signal demodulation that receives; The high level of VT pin output simultaneously, otherwise ignore this wireless command.PT2272 supports the two verifications to wireless command, improves reliability.This wireless module can be realized multichannel wireless command control.
The test section
The corresponding connection of each passage in the ignition module of each electric igniter and igniting main frame, regular tap or the switching controls of recovering toggle switch certainly the startup of detection and are stopped.Use when recovering toggle switch, operating personnel will recover toggle switch certainly and dial to put and start shelves, when operating personnel unclamp when recovering toggle switch, recover toggle switch certainly and can in 100 milliseconds, get back to halted state.Detect when starting; Normal like this path connectedness; Electric current flows back to power cathode through positive source, current-limiting resistance, section charactron or Light-Emitting Diode positive pole, electric igniter, section charactron or Light-Emitting Diode negative pole, and the section charactron is lighted because of flowing through of electric current, and the circuit response speed is less than 1 millisecond; When this path connectedness was undesired, circuit did not have electric current to flow through for opening circuit, and the section charactron does not work.When detection stops, stirring through manual work for regular tap and to close,, guarantee the security of entire equipment for recovering then auto power off of switch certainly; Perhaps manual-lock regular tap, deenergization guarantees the security and the reliability of entire equipment.Detection module makes connectedness that operating personnel can clearly judge each ignition channel whether through the bright of section charactron or Light-Emitting Diode with not working.This equipment testing module has safety, characteristics fast.
Ignition section
The safety locking key rotates to fired state, and light emitting diode is lighted the indicating status handover success.Each ignition channel on the button corresponding points owner of the house where a fire started machine of respectively lighting a fire on the igniting telecontrol panel, after any igniting button was pressed, wireless command was through the wireless module emission.After the igniting main frame is received ignition order; Through the data pin output of PT2272, as the address code input of HEF4514 decoder circuit, decoder circuit decoding back is to respective channel output high level; The big electric current of output behind the ULN2803 drive circuit is realized igniting again.
Claims (9)
1. channel wireless radio multi fireworks ignition installation with self-checking function; Comprise light a fire remote controller and igniting main frame two parts, the remote controller of wherein lighting a fire comprises the display module of the outside key-press module of importing of reception, display button module input information, the power module of power supply is provided to the wireless module of igniting main frame transmission ignition order with for the remote controller of lighting a fire through wireless mode; The igniting main frame comprises the wireless module that receives igniting remote controller wireless command, for the igniting main frame provides the power module of power supply and the ignition module that the control ignition channel is lighted a fire, the main frame that it is characterized in that lighting a fire also comprises the testing result of the detection module that is used for each ignition channel connection line of test point owner of the house where a fire started machine with sense switch and testing circuit, demonstration detection module and indicates display module, the ignition module of wireless module duty to comprise 2～16 independent ignition channels.
2. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 1; It is characterized in that testing circuit by Zener diode, the current-limiting resistance that is used to limit display module and electric igniter electric current constitutes; The wherein series circuit of the Zener diode of testing circuit and display module and electric igniter parallel connection, the current-limiting resistance of testing circuit and display module and the series connection of electric igniter series circuit.
3. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 1 and 2, the main frame that it is characterized in that lighting a fire also comprises the safety locking key that power supply is controlled to ignition module.
4. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 1 and 2 is characterized in that the scope of the Zener diode voltage stabilizing of testing circuit is 0.3V～18V.
5. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 1 and 2, the resistance scope that it is characterized in that testing circuit are 20 Ω～100K Ω.
6. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 1 and 2, the display module of the main frame that it is characterized in that lighting a fire comprise the section charactron that shows testing result.
7. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 3, the display module of the main frame that it is characterized in that lighting a fire comprise the light emitting diode of the section charactron that shows testing result and display radio module, safety locking key duty.
8. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 1 is characterized in that sense switch is from recovering toggle switch.
9. the channel wireless radio multi fireworks ignition installation of band self-checking function according to claim 3 is characterized in that sense switch is from recovering toggle switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205180341U CN202452897U (en) | 2011-12-12 | 2011-12-12 | Multi-channel wireless firework ignition device with self-detecting function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205180341U CN202452897U (en) | 2011-12-12 | 2011-12-12 | Multi-channel wireless firework ignition device with self-detecting function |
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| CN202452897U true CN202452897U (en) | 2012-09-26 |
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| CN2011205180341U Expired - Fee Related CN202452897U (en) | 2011-12-12 | 2011-12-12 | Multi-channel wireless firework ignition device with self-detecting function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162579A (en) * | 2011-12-12 | 2013-06-19 | 长沙诗格烟花燃放设备有限公司 | Multichannel firework ignition equipment with self-test function |
| CN108746084A (en) * | 2018-05-25 | 2018-11-06 | 苏州云思翼电子科技有限公司 | A kind of foreign matter removing flame device based on unmanned plane |
-
2011
- 2011-12-12 CN CN2011205180341U patent/CN202452897U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162579A (en) * | 2011-12-12 | 2013-06-19 | 长沙诗格烟花燃放设备有限公司 | Multichannel firework ignition equipment with self-test function |
| CN108746084A (en) * | 2018-05-25 | 2018-11-06 | 苏州云思翼电子科技有限公司 | A kind of foreign matter removing flame device based on unmanned plane |
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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: 20120926 Termination date: 20151212 |
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