CN110608639A - Wireless remote control firework setting-off method and system - Google Patents
Wireless remote control firework setting-off method and system Download PDFInfo
- Publication number
- CN110608639A CN110608639A CN201910733339.5A CN201910733339A CN110608639A CN 110608639 A CN110608639 A CN 110608639A CN 201910733339 A CN201910733339 A CN 201910733339A CN 110608639 A CN110608639 A CN 110608639A
- Authority
- CN
- China
- Prior art keywords
- wireless
- control signal
- setting
- ignition
- firework
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Selective Calling Equipment (AREA)
Abstract
A wireless remote control firework setting off method comprises the steps of (1) collecting control signals; (2) generating a wireless control signal according to the control information; (3) broadcasting and sending a wireless control signal; (4) receiving a wireless control signal; (5) decoding the wireless control signal; (6) and matching the coded address information, outputting an ignition signal if the coded address information is matched, and otherwise, not performing any operation. A wireless remote control firework setting off system comprises a wireless controller, a wireless receiver and an ignition device. The invention adopts a wireless remote control method, improves the diversity of the setting off effect and avoids the interference caused by wired transmission; a plurality of wireless receivers and ignition devices are adopted, so that the height-controllable free arrangement of the fireworks is realized; the operation process is simplified by adopting a plurality of buttons; still be provided with and preset button and automatic button, realized that the user-defined fireworks that set off, be provided with the self-checking function to increase the fault indication, be provided with manual coding switch, removable wireless receiver address.
Description
Technical Field
The invention belongs to the field of firework setting off, and particularly relates to a wireless remote control firework setting off method and system.
Background
The fireworks are generally ignited manually, when larger-scale fireworks are required to be ignited, the fireworks are ignited manually one by one or ignited in a lead mode, a large amount of labor is consumed by manually igniting the fireworks one by one, delay is easy to occur, long-time delay is easy to occur due to different lengths of leads in the lead ignition mode, lead faults are easy to occur due to excessive leads, and certainly, when the large-scale late-meeting fireworks are released, a wired control system is adopted, but the wired control system can easily cause the fireworks not to be ignited correctly due to line faults; in addition, the firework setting off effect is single except in a large firework setting off scene at present, and even if a plurality of firework arrangement patterns are adopted in advance, the expected setting off effect is difficult to achieve.
Disclosure of Invention
In order to solve the problems, the invention provides a wireless remote control firework setting off method and system capable of being freely arranged.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a wireless remote control firework setting off method is used for setting off combined fireworks and comprises the steps of (1) sequentially inputting control signals of corresponding fireworks; (2) generating a wireless control signal according to the control signal; (3) broadcasting and transmitting the wireless control signal; (4) receiving the wireless control signal; (5) decoding the wireless control signal; (6) and matching the coded address information of the corresponding fireworks, outputting an ignition signal if the matching is consistent, and otherwise, not performing any operation.
A firework setting off system applying the wireless remote control firework setting off method comprises a wireless controller, a plurality of wireless receivers and a plurality of ignition devices;
the wireless controller is used for acquiring the control signal, generating a wireless control signal according to the control information and broadcasting and sending the wireless control signal; the wireless receiver is used for receiving the wireless control signal, decoding the wireless control signal, matching the coded address information and sending an ignition signal;
the wireless controller is wirelessly connected with the plurality of wireless receivers; the ignition device is electrically connected with the wireless receiver; the wireless controller is used for rapidly coding and transmitting a wireless control signal to the wireless receiver; the wireless receiver is used for receiving the wireless control signal and controlling the ignition device to ignite a lead of the firework;
the plurality of ignition devices are used for igniting a plurality of fireworks which are arranged in a firework array in a combined manner.
Furthermore, the wireless controller comprises a main control unit, and a control wireless module, a control power module and a key unit which are electrically connected with the main control unit.
Further, the wireless receiver comprises a controlled unit, and a receiving wireless module and a receiving power module which are electrically connected with the controlled unit.
Preferably, the wireless controller is further provided with a preset button and an automatic button which are respectively used for presetting codes and automatically controlling.
Preferably, a manual coding switch is arranged on the wireless receiver and used for manually changing the receiver coding address.
Preferably, the wireless controller is further connected with a liquid crystal display screen.
Preferably, the wireless controller is further provided with a detection button for sending a detection signal.
Preferably, the wireless controller is further provided with a communication fault lamp and an ignition fault lamp, which are respectively used for indicating a system communication fault and an ignition fault.
Preferably, the key unit is controlled by a plurality of buttons and is used for assisting in realizing a quick coding process.
The embodiment of the invention has the following beneficial effects:
by adopting a wireless remote control method, the diversity of the setting-off effect is improved, and the interference caused by wired transmission is avoided;
a plurality of wireless receivers and ignition devices are adopted, so that the height-controllable free arrangement of the fireworks is realized;
the quick coding is realized by adopting a plurality of buttons, so that the complicated operation process of selecting a switch is avoided;
the firework display device is provided with a preset button and an automatic button, so that the function of automatically setting off fireworks by a user in a self-defined manner can be realized;
the automatic detection function is set, and the fault indication is added, so that the normal operation of equipment in a meeting place can be better ensured;
the manual coding switch is arranged, so that the address of the wireless receiver can be manually replaced on site, and the stability of the whole system is enhanced.
Drawings
The following further describes embodiments of the present invention with reference to the drawings.
Fig. 1 is a schematic diagram of a wireless controller according to a first embodiment of the present invention;
fig. 2 is a schematic external view of a wireless controller according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of a wireless controller according to a second embodiment of the present invention;
fig. 4 is a schematic external view of a wireless controller according to a second embodiment of the present invention;
fig. 5 is a schematic diagram of a wireless receiver of an embodiment of the present invention.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings.
The embodiment one, a wireless remote control fireworks setting off method, is used for the combined fireworks setting off, including (1) input the control signal of the corresponding fireworks sequentially; (2) generating a wireless control signal according to the control signal; (3) broadcasting and transmitting the wireless control signal; (4) receiving the wireless control signal; (5) decoding the wireless control signal; (6) and matching the coded address information of the corresponding fireworks, outputting an ignition signal if the matching is consistent, and otherwise, not performing any operation.
As shown in fig. 1, 2 and 5, a firework setting-off system applying the wireless remote control firework setting-off method comprises a wireless controller 100, a plurality of wireless receivers 200 and a plurality of ignition devices;
the wireless controller 100 is wirelessly connected with a plurality of wireless receivers 200; the ignition device is electrically connected with the wireless receiver 200; the wireless controller 100 is used for fast encoding and transmitting a wireless control signal to the wireless receiver 200; the wireless receiver 200 is used for receiving a wireless control signal and controlling the ignition device to ignite a lead of the firework;
the plurality of ignition devices are used for igniting a plurality of fireworks, and the plurality of fireworks are arranged in a firework array in a combined mode.
The wireless controller 100 includes a main control unit 140, and a control wireless module 110, a control power module 120, and a key unit 130 electrically connected to the main control unit 140.
The key unit 130 employs a plurality of button controls for assisting in implementing a fast encoding process.
The wireless receiver 200 includes a controlled unit 230, and a wireless module 210 and a power module 220 both connected to the controlled unit 230.
In this embodiment, the main control unit 140 uses an stm32f103 single chip microcomputer, the key unit 130 uses eight common buttons to connect with the I/O port of the main control unit 140, and when any button is pressed, a low level is input for confirming that a button is pressed; the controlled unit 230 also adopts an stm32f103 single chip microcomputer;
in this embodiment, the main control unit 140 directly generates a corresponding code control signal and sends the code control signal to the controlled units 230 after acquiring the specific number pressed by the key unit 130, but when there are a plurality of controlled units 230, the plurality of controlled units match according to the address code set in advance, and if the matching is successful, corresponding operation is executed;
in this embodiment, the number of buttons of the key unit 130 can be increased or decreased according to the needs of the customer;
in this embodiment, the wireless module 110 and the receiving wireless module 210 directly adopt market-shaped products, such as: bluetooth, ZigBee, WiFi, etc.;
in this embodiment, the control power module 120 and the receiving power module 220 are both provided with a battery therein to ensure wireless transmission and control.
In this embodiment, the wireless receiver 200 is provided with a manual coding switch 240 for manually changing the coding address of the receiver 200; in this embodiment, five dial switches are specifically adopted for implementation, and the five dial switches have 32 different coding addresses at most, which is enough to meet the requirements in this embodiment, if the number of codes needs to be increased, the number of dial switches can be increased, and when a firework fault occurs on site, new fireworks can be quickly set through the manual coding switches, so that the effect of mutual backup is achieved.
The working process of the firework display system of the embodiment is described as follows:
when the button in the key unit 130 is pressed, the main control unit 140 will send a corresponding wireless control signal to the control wireless module 110 after determining which specific key is pressed, and transmit the wireless control signal through the control wireless module 110, the receiving wireless module 210 in the plurality of wireless receivers 200 will receive the wireless control signal and transmit the wireless control signal to the controlled unit 230, the controlled unit 230 will decode the wireless control signal, if the decoded information matches with the flag data in the controlled unit 230, the operation will be performed, and the ignition device will be driven to ignite, otherwise, no operation will be performed.
In the second embodiment, as shown in fig. 3, 4 and 5, a firework setting-off system using the wireless remote control firework setting-off method includes a wireless controller 100, a wireless receiver 200 and an ignition device;
in the embodiment, in the wireless remote control firework setting off method, after (1) the control signals of the corresponding fireworks are sequentially input, the judgment process of the functional mode is added, and only after the selection and the input are completed in the functional mode, the step (2) of generating the wireless control signals according to the control signals is carried out; and (5) after the wireless control signal is decoded, function matching is required, if the wireless control signal is a test function, the test is carried out, if the wireless control signal is an ignition function, the coded address information is matched, (6) if the wireless control signal is the ignition function, the ignition signal is output if the wireless control signal is matched with the ignition function, and otherwise, no operation is carried out.
In this embodiment, the wireless controller 100 changes the common buttons to a matrix keyboard on the basis of the first embodiment, and adds a liquid crystal display, a communication fault lamp CF, and an ignition fault lamp IF;
in this embodiment, in addition to the numeric keys, the matrix keyboard further integrates a function button E, a preset button Y, an automatic button a, a set-off button S, a test button T, and a quick button K, where the function button E is used to enter and exit a function mode, the preset button Y and the automatic button a are used to implement an automatic set-off function, the set-off button S is used to set off and stop set-off, the test button T is used to test a fault, and the quick button K is used to enter a quick set-off mode (similar to the set-off mode in the first embodiment);
the liquid crystal display screen in the embodiment is mainly used for assisting the realization of various functions, and has a visual interface to better realize the operation process; in this embodiment, the liquid crystal display screen can directly use the liquid crystal display screen with the word stock or can directly use the self-editing liquid crystal display screen;
in this embodiment, two trouble lamps's use main auxiliary user carries out quick self-checking, and discovery trouble place that can be very clear can accomplish the accurate location to trouble wireless receiver 200 in cooperation with liquid crystal display.
The following describes the functional operation processes of the present embodiment:
A. quick setting off function
Pressing a quick button K to enter a quick setting-off mode, wherein at the moment, the main control unit 140 automatically generates coding signals corresponding to the number keys, when any number key is detected to be pressed, the pair of coding signals form corresponding wireless control signals and are sent to the wireless receiver 200 by controlling the wireless module 110, the wireless receiver 200 decodes the wireless control signals, the addresses are matched after decoding, if the addresses are consistent, the ignition device is controlled to ignite, otherwise, no operation is performed;
in this embodiment, the fast setting off function mode is entered by pressing the fast button K regardless of the mode.
B. Testing function
Pressing the function key E to enter a function mode, pressing the test button T to select a test mode, pressing the function key E again to configure the test mode, then configuring a wireless control signal for testing by the main control unit 140, pressing the set-off button S to transmit a test signal, transmitting the signal in a broadcast manner, starting self-checking after the wireless control signal is received by the plurality of wireless receivers 200 to test whether the ignition devices of the wireless receivers are normal or not, then, the status information and the address information are encoded and transmitted to the wireless controller 100, and the wireless controller 100 displays the received address of the wireless receiver 200 on the liquid crystal display if receiving the information, IF the received address information is discontinuous, CF such as communication fault and the like can be lightened, and meanwhile, IF the information contains ignition device fault information, specific ignition fault information can be displayed on the liquid crystal display and an ignition fault lamp IF can be lightened;
in this embodiment, the detection of the ignition device is simple, as shown in fig. 5, the purpose is mainly achieved by detecting the voltage at the upper end of the heating wire of the ignition device, and when the heating wire falls off or is fused, the port enters a floating state from a grounding state.
C. Automatic setting off function
Pressing the function key E to enter a function mode, pressing the automatic button A to enter an automatic mode (at the moment, starting to edit setting of the setting of.
In the first and second embodiments, a numeric button code is not only for a firework, but also for a group of fireworks, such as: the button of digit "1" corresponds the butterfly figure that a plurality of fireworks row that the code is "1", the button of digit "2" is the dragonfly figure that a plurality of fireworks row that the code is "2" were arranged, the button of digit "3" is the tiger figure that a plurality of codes are "2" fireworks row, so when the wireless control signal that the code is "1" sent, the fireworks of whole butterfly figure can all be touched off according to the flow that has set for in advance, when the digit "2", "3" also are the same effect, adopt this kind of mode, can let the better of the effect of touching off of fireworks, also can better adaptation fireworks touching off the demand of more scenes.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any technical means that can achieve the object of the present invention by basically the same means is within the scope of the present invention.
Claims (10)
1. A wireless remote control firework setting off method is used for setting off combined fireworks and is characterized in that: sequentially inputting control signals of corresponding fireworks; (2) generating a wireless control signal according to the control signal; (3) broadcasting and transmitting the wireless control signal; (4) receiving the wireless control signal; (5) decoding the wireless control signal; (6) and matching the coded address information of the corresponding fireworks, outputting an ignition signal if the matching is consistent, and otherwise, not performing any operation.
2. A firework setting-off system to which the wireless remote control firework setting-off method of claim 1 is applied, characterized in that: comprises a wireless controller (100), a plurality of wireless receivers (200) and a plurality of ignition devices;
the wireless controller (100) is used for acquiring control signals, generating wireless control signals according to the control information and broadcasting and sending the wireless control signals; the wireless receiver (200) is used for receiving a wireless control signal, decoding the wireless control signal, matching the coded address information and sending out an ignition signal;
the wireless controller (100) is wirelessly connected with the plurality of wireless receivers (200); the ignition device is electrically connected with the wireless receiver (200); the wireless controller (100) is used for rapidly encoding and transmitting a wireless control signal to the wireless receiver (200); the wireless receiver (200) is used for receiving the wireless control signal and controlling the ignition device to ignite a lead of a firework;
the plurality of ignition devices are used for igniting a plurality of fireworks which are arranged in a firework array in a combined manner.
3. A firework setting off system as claimed in claim 2, wherein: the wireless controller (100) comprises a main control unit (140), and a control wireless module (110), a control power module (120) and a key unit (130) which are electrically connected with the main control unit (140).
4. A firework setting off system as claimed in claim 2, wherein: the wireless receiver (200) comprises a controlled unit (230), a receiving wireless module (210) and a receiving power module (220) which are electrically connected with the controlled unit (230).
5. A firework setting off system as claimed in claim 2, wherein: the wireless controller (100) is further provided with a preset button and an automatic button which are respectively used for presetting codes and automatically controlling.
6. A firework setting off system as claimed in claim 2, wherein: the wireless receiver (200) is provided with a manual coding switch (240) for manually changing the coding address of the receiver (200).
7. A firework setting off system as claimed in claim 2 or 5, wherein: the wireless controller (100) is also connected with a liquid crystal display screen.
8. A firework setting off system as claimed in claim 2 or 3, wherein: the wireless controller (100) is also provided with a detection button for sending a detection signal.
9. A firework setting off system as claimed in claim 2 or 3, wherein: the wireless controller (100) is also provided with a communication fault lamp and an ignition fault lamp which are respectively used for indicating system communication faults and ignition faults.
10. A firework setting off system as claimed in claim 3, wherein: the key unit (130) is controlled by a plurality of buttons and is used for assisting in realizing a quick coding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910733339.5A CN110608639A (en) | 2019-08-09 | 2019-08-09 | Wireless remote control firework setting-off method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910733339.5A CN110608639A (en) | 2019-08-09 | 2019-08-09 | Wireless remote control firework setting-off method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608639A true CN110608639A (en) | 2019-12-24 |
Family
ID=68889816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910733339.5A Pending CN110608639A (en) | 2019-08-09 | 2019-08-09 | Wireless remote control firework setting-off method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110608639A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780623A (en) * | 2020-05-29 | 2020-10-16 | 湖南尚花科技有限公司 | Fireworks ignition device |
| CN112556507A (en) * | 2020-12-07 | 2021-03-26 | 追信数字科技有限公司 | Multi-mode firework setting-off device based on mobile phone control |
| CN113124723A (en) * | 2019-12-30 | 2021-07-16 | 苏州信卓胜电子科技有限公司 | Remote wireless control system of cutting and separating device and use method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206935U (en) * | 1987-04-30 | 1988-11-02 | 北京工业学院 | Fireworks setting-off device controlled by monolithic microcomputer |
| JPH05296698A (en) * | 1992-04-24 | 1993-11-09 | Nippon Oil & Fats Co Ltd | Firework igniting device |
| DE29605154U1 (en) * | 1996-03-20 | 1996-08-01 | Buchner, Alexander, 84503 Altötting | System for igniting pyrotechnic objects, i.e. fireworks, or for controlling other devices using radio data transmission |
| CN2814315Y (en) * | 2005-06-15 | 2006-09-06 | 程东 | Digital radio remote control device for setting off fireworks |
| CN200986420Y (en) * | 2006-12-19 | 2007-12-05 | 吴军 | Combination type wireless remote control fireworks electronic ignitor |
| CN200989755Y (en) * | 2006-12-19 | 2007-12-12 | 王辉 | Fireworks and firecracks separate feedback safety ignitor |
| CN202013142U (en) * | 2011-03-28 | 2011-10-19 | 江西荣达爆破新技术开发有限公司 | Novel remote-control firework setting-off machine |
| CN103092170A (en) * | 2013-01-08 | 2013-05-08 | 深圳市钻宝科技有限公司 | External inserting mobile storage type music firework control system and networking system provided with the same |
| 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 |
| CN203881228U (en) * | 2014-06-11 | 2014-10-15 | 浏阳金意大型焰火燃放有限公司 | Firework control system based on mobile intelligent device |
| US20180066927A1 (en) * | 2016-09-02 | 2018-03-08 | Titan International Technologies, Ltd. | Automated detonation of fireworks |
-
2019
- 2019-08-09 CN CN201910733339.5A patent/CN110608639A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206935U (en) * | 1987-04-30 | 1988-11-02 | 北京工业学院 | Fireworks setting-off device controlled by monolithic microcomputer |
| JPH05296698A (en) * | 1992-04-24 | 1993-11-09 | Nippon Oil & Fats Co Ltd | Firework igniting device |
| DE29605154U1 (en) * | 1996-03-20 | 1996-08-01 | Buchner, Alexander, 84503 Altötting | System for igniting pyrotechnic objects, i.e. fireworks, or for controlling other devices using radio data transmission |
| CN2814315Y (en) * | 2005-06-15 | 2006-09-06 | 程东 | Digital radio remote control device for setting off fireworks |
| CN200986420Y (en) * | 2006-12-19 | 2007-12-05 | 吴军 | Combination type wireless remote control fireworks electronic ignitor |
| CN200989755Y (en) * | 2006-12-19 | 2007-12-12 | 王辉 | Fireworks and firecracks separate feedback safety ignitor |
| CN202013142U (en) * | 2011-03-28 | 2011-10-19 | 江西荣达爆破新技术开发有限公司 | Novel remote-control firework setting-off machine |
| 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 |
| CN103092170A (en) * | 2013-01-08 | 2013-05-08 | 深圳市钻宝科技有限公司 | External inserting mobile storage type music firework control system and networking system provided with the same |
| CN203881228U (en) * | 2014-06-11 | 2014-10-15 | 浏阳金意大型焰火燃放有限公司 | Firework control system based on mobile intelligent device |
| US20180066927A1 (en) * | 2016-09-02 | 2018-03-08 | Titan International Technologies, Ltd. | Automated detonation of fireworks |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124723A (en) * | 2019-12-30 | 2021-07-16 | 苏州信卓胜电子科技有限公司 | Remote wireless control system of cutting and separating device and use method thereof |
| CN113124723B (en) * | 2019-12-30 | 2022-06-28 | 苏州信卓胜电子科技有限公司 | Remote wireless control system of cutting and separating device and use method thereof |
| CN111780623A (en) * | 2020-05-29 | 2020-10-16 | 湖南尚花科技有限公司 | Fireworks ignition device |
| WO2021237893A1 (en) * | 2020-05-29 | 2021-12-02 | 湖南尚花科技有限公司 | Firework ignition apparatus |
| CN112556507A (en) * | 2020-12-07 | 2021-03-26 | 追信数字科技有限公司 | Multi-mode firework setting-off device based on mobile phone control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110608639A (en) | Wireless remote control firework setting-off method and system | |
| US9812006B1 (en) | System and method for integrating infrared remote controls of home appliances | |
| CN201466387U (en) | Radio frequency encoding-based wireless remote control socket device | |
| CN101873478B (en) | Control method and related device of network monitoring system | |
| CN108924990B (en) | WeChat applet-based LED lamp control system and connection method thereof | |
| CN201821431U (en) | Television remote controller and television compatible with two types of transmission modes | |
| US20120093003A1 (en) | Testing and pairing system for use in wireless peripheral device production process | |
| CN203027260U (en) | Mobile terminal communication system based on visible light communication | |
| CN218068838U (en) | Device for displaying real-time state parameters of keyboard and mouse | |
| CN103162579A (en) | Multichannel firework ignition equipment with self-test function | |
| US20080018426A1 (en) | Remote controlled power switch system | |
| CN104464243A (en) | Pairing method and pairing circuit for electrified remote controller | |
| CN105407304B (en) | Processing method of the suspend mode television set from equipment, apparatus and system | |
| TWI568273B (en) | Infrared remote control integrated system and method of home appliance | |
| CN102355593A (en) | Testing apparatus and online testing method for set-top box device | |
| WO2014180068A1 (en) | Multi-functional long-distance wireless ignition remote control method | |
| CN112512190B (en) | Method and system for binding kinetic energy switch and lamp | |
| CN211554319U (en) | Satellite navigation product link switching and state display device and satellite navigation system | |
| WO2019006598A1 (en) | Smart remote controller and using method therefor | |
| CN203520160U (en) | Hand-held debugging device for industrial site and industrial site debugging system | |
| CN205249420U (en) | Signal conversion equipment | |
| CN220475787U (en) | Test equipment | |
| CN109003430A (en) | A kind of test device of FTU controller receiver of remote-control sytem | |
| JP2010028325A (en) | Multistage wireless telemeter apparatus | |
| CN211233413U (en) | Mobile internet solar water heater controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191224 |
|
| RJ01 | Rejection of invention patent application after publication |