CN110687554A - Warning device based on low-power-consumption wireless transmission - Google Patents
Warning device based on low-power-consumption wireless transmission Download PDFInfo
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- CN110687554A CN110687554A CN201911054101.6A CN201911054101A CN110687554A CN 110687554 A CN110687554 A CN 110687554A CN 201911054101 A CN201911054101 A CN 201911054101A CN 110687554 A CN110687554 A CN 110687554A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 78
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
- G01S19/16—Anti-theft; Abduction
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
The invention relates to the field of electronic information, in particular to alarm equipment based on low-power wireless transmission, which is characterized in that: the system comprises a main alarm device, a cloud platform and a plurality of alarm devices, wherein the main alarm device is used for generating alarm information and position information and sending the alarm information and the position information to the cloud platform; the main alarm device comprises a processor, and a main trigger module, a GPS positioning module and a Sigfox communication module which are connected with the processor; the main trigger module is used for generating a main trigger signal and transmitting the main trigger signal to the processor; the processor is used for receiving the main trigger signal, generating alarm information and triggering the GPS positioning module and the Sigfox communication module to work; the system comprises a cloud platform, a Sigfox communication module and a communication module, wherein the Sigfox communication module is used for sending alarm information and position information to the cloud platform; the GPS positioning module is used for positioning in real time and acquiring the position information of the equipment; the Sigfox communication module is used for realizing wireless transmission of information between the processor and the cloud platform; the main alarm device further comprises a main power supply module. The invention is used for safety alarm and has low power consumption.
Description
Technical Field
The invention relates to the field of electronic information, in particular to alarm equipment based on low-power-consumption wireless transmission.
Background
With the progress of society, social security is more and more emphasized by people, such as how to ensure life security by sitting on a net car, how to lose old people and children, and the like;
safety equipment on the market at present has the problems of large equipment size, inconvenience in carrying, long power supply or large battery power supply, high power consumption, overhigh cost and the like;
in view of the above, to overcome the above drawbacks, it is an urgent problem in the art to provide an alarm device based on low power consumption wireless transmission.
Disclosure of Invention
The invention aims to provide an alarm device based on low-power wireless transmission, which is used for safety alarm and has low power consumption.
In order to solve the technical problems, the technical scheme of the invention is as follows: the warning device based on low-power-consumption wireless transmission comprises a main warning device, a cloud platform and a communication module, wherein the main warning device is used for generating warning information and position information and sending the warning information and the position information to the cloud platform; the main alarm device comprises a processor, and a main trigger module, a GPS positioning module and a Sigfox communication module which are connected with the processor; the main trigger module is used for generating a main trigger signal and transmitting the main trigger signal to the processor; the processor is used for receiving the main trigger signal, generating alarm information and triggering the GPS positioning module and the Sigfox communication module to work; the system comprises a cloud platform, a Sigfox communication module and a communication module, wherein the Sigfox communication module is used for sending alarm information and position information to the cloud platform; the GPS positioning module is used for positioning in real time and acquiring the position information of the equipment; the Sigfox communication module is used for realizing wireless transmission of information between the processor and the cloud platform; the main alarm device also comprises a main power supply module which is used for providing working voltage for the processor, the main trigger module, the GPS positioning module and the Sigfox communication module.
According to the scheme, the main trigger module is a key unit.
According to the scheme, the main trigger module is a voice recognition unit.
According to the scheme, the alarm equipment further comprises at least one slave alarm equipment; the slave alarm device comprises a slave trigger module, a slave communication module and a slave power supply module; the slave trigger module is used for generating a slave trigger signal; the slave communication module is connected with the slave triggering module and is used for transmitting the slave triggering signal to the master alarm device; the slave power supply module is used for providing working voltage for the slave trigger module and the slave communication module; the warning device is suitable for application scenes of various crowds needing safety warning, when the warning device is applied to a vehicle, if the vehicle is large, the situation of the rear part of the vehicle cannot be observed in real time, and a driver can be actively reminded from the warning device.
According to the scheme, the slave trigger module is a key; the trigger is convenient and quick.
According to the scheme, the main alarm device further comprises a main communication module connected to the processor, and the main communication module is used for transmitting the slave trigger signal to the processor.
According to the scheme, the master communication module and the slave communication module are both Bluetooth modules; the master communication module and the slave communication module adopt Bluetooth mesh to perform slave device expansion on the alarm device, the Bluetooth mesh can establish one-to-many relationship between wireless devices, in addition, the devices can relay data to other devices which are not in the direct radio coverage range of the initial device, and the mesh network can span a very large physical area and comprises a large number of devices; and through wireless transmission, the cost of wiring is saved.
According to the scheme, the main alarm device further comprises a display unit connected to the main communication module and used for displaying the slave trigger signal; the slave alarm device sends the slave trigger signal to the master alarm device for display, and personnel select whether to alarm through the master alarm device according to the actual situation after seeing the slave trigger signal, so as to prevent false alarm.
According to the scheme, the processor adopts the STM32L011 chip, and the chip has the advantages of low power consumption and small size, so that the power consumption of the chip is reduced, and the cruising ability of the alarm device is improved; and the peripheral circuits are few, so that the alarm equipment is more miniaturized and the portability is improved.
According to the scheme, the Sigfox communication module adopts SFM10R2 series; the Sigfox adopts a simple star topology, the terminal node directly interacts with the base station, and only wakes up when the message is pushed, and enters a dormant state after the message is transmitted, the Sigfox also limits the pushing times of the message, and the power consumption is greatly saved; sigfox uses a fixed transmission rate and only 100b/s, so that a complex modulation mode is not needed, and the cost of a core processor is low. Sigfox can operate over unlicensed spectrum with coverage ranges up to 3-10 km, providing years of battery life in low frequency use.
The invention has the following beneficial effects:
the processor, the GPS positioning module and the Sigfox communication module are all low-power-consumption devices, whether the equipment is in a low-power-consumption dormant state during normal operation or not is judged, the equipment is recovered to work after an alarm signal is triggered, a message is sent to complete the continuous entering of the low-power-consumption dormant state, the power consumption of the whole equipment is lower than 1ma when the whole equipment is dormant, the cruising ability is strong, and the whole equipment can work for a long time;
the invention is a low-cost small device which is used for transmitting position information to devices such as people or vehicles needing safety alarm, the main alarm device can work independently, the main alarm device can be expanded in a wireless communication mode, a plurality of auxiliary alarm devices are connected in a wireless mode, and the application range and the application scene are wider.
Drawings
FIG. 1 is a block diagram showing the overall structure of a first embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a processor according to a first embodiment;
FIG. 3 is a schematic circuit diagram of a key unit of the main trigger module according to the first embodiment;
FIG. 4 is a schematic circuit diagram of a voice recognition unit of the main trigger module in the first embodiment;
FIG. 5 is a schematic circuit diagram of a GPS positioning module according to a first embodiment;
fig. 6 is a schematic circuit diagram of a Sigfox communication module in the first embodiment;
fig. 7 is a schematic circuit diagram of a main power supply module in the first embodiment;
FIG. 8 is a block diagram showing the overall structure of the second embodiment;
FIG. 9 is a schematic circuit diagram of a main communication module in a second embodiment
FIG. 10 is a schematic circuit diagram of a display unit in a second embodiment;
FIG. 11 is a schematic circuit diagram of a slave flip-flop module in a second embodiment;
FIG. 12 is a schematic circuit diagram of a slave communication module in a second embodiment;
fig. 13 is a schematic circuit diagram of a slave power supply module in a second embodiment.
Reference numerals:
1. a primary alarm device; 101. a processor; 102. a main trigger module; 1021. a key unit; 1022. a voice recognition unit; 103. a GPS positioning module; 104. a Sigfox communication module; 105. a main power supply module; 106. a main communication module; 107. a display unit;
2. a slave alerting device; 201. a slave trigger module; 202. a slave communication module; 203. a slave power module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
Referring to fig. 1 to 7, an embodiment of the present invention is an alarm device based on low power consumption wireless transmission, which includes a main alarm device 1 configured to generate alarm information and location information and send the alarm information and the location information to a cloud platform;
the main alarm device 1 comprises a processor 101, and a main trigger module 102, a GPS positioning module 103 and a Sigfox communication module 104 which are connected to the processor 101; the main trigger module 102 is configured to generate a main trigger signal and transmit the main trigger signal to the processor 101; the processor 101 is configured to receive the main trigger signal, generate alarm information, trigger the GPS positioning module 103 and the Sigfox communication module 104 to operate, and send the alarm information and the location information to the cloud platform through the Sigfox communication module 104; the GPS positioning module 103 is used for positioning in real time and acquiring the position information of the equipment; the Sigfox communication module 104 is used for realizing wireless transmission of information between the processor 101 and the cloud platform; the primary alarm device 1 further comprises a primary power supply module 105 for providing operating voltages to the processor 101, the primary trigger module 102, the GPS location module 103, the Sigfox communication module 104.
With reference to fig. 1, fig. 3 and fig. 4, in the present embodiment, the main trigger module 102 includes a key unit 1021 and a voice recognition unit 1022, and output ends of the key unit 1021 and the voice recognition unit 1022 are both connected to the processor 101; the key unit 1021 is a circuit comprising a key Ka2, the key can be triggered by pressing the key, the voice recognition unit 1022 adopts the existing 7291 voice module, the recognition mode of the 7291 voice module is to record in advance, such as saving, help and other suitable alarm words, and form a language model through algorithm training inside the device, during recognition, the voice signal and the language model of the voiceprint are matched, the voice signal is converted into corresponding text or command through the recognition and understanding process, the trigger signal is output to the processor 101 after the voice signal and the language model of the voiceprint are consistent, the recognition mode of the voice module is the prior art, and no repeated description is needed here; the key unit 1021 and the voice recognition unit 1022 provide various alerting means.
Fig. 2 shows a schematic circuit diagram of the processor 101, and the processor 101 uses an STM32L011 chip, which has low power consumption; the processor 101 is in a low power consumption sleep state during normal operation, and the processor 101 receives the main trigger signals of the key unit 1021 and the voice recognition unit 1022 and then wakes up, and sends wake-up signals to the GPS positioning module 103 and the Sigfox communication module 104; the processor 101 employs an STM32L011 chip.
With reference to fig. 1 and 5, after receiving the wake-up signal of the processor 101, the GPS positioning module 103 performs real-time positioning, and sends the real-time location information of the device to the processor 101.
With reference to fig. 1 and fig. 6, the Sigfox communication module 104 is configured to wirelessly send the location information and the alarm information of the processor 101 to the cloud platform for alarm; in this embodiment, the Sigfox communication module 104 is an SFM10R2 series, an input end of an SFM10R2 chip is connected to the processor 101 for receiving the wake-up signal, the alarm information, and the location information, and an output end is provided with an antenna for transmitting the alarm information and the location information to the cloud platform; the Sigfox adopts a simple star topology, the terminal node directly interacts with the base station, and only wakes up when the message is pushed, and enters a dormant state after the message is transmitted, the Sigfox also limits the pushing times of the message, and the power consumption is greatly saved; sigfox uses a fixed transmission rate and only 100b/s, so that it is not necessary to use a complex modulation scheme, and the cost of the core processor 101 is low. Sigfox can operate over unlicensed spectrum with coverage ranges up to 3-10 km, providing years of battery life in low frequency use.
Referring to fig. 7, fig. 7 shows a circuit principle of the main power module 105, the main power module 105 includes a 3.7V lithium battery and a voltage converter Uc1, an input end of the voltage converter Uc1 is connected to the 3.7V lithium battery, and an output end outputs a 3.3V working voltage to be supplied to power terminals of the processor 101, the main trigger module 102, the GPS positioning module 103, and the Sigfox communication module 104. RY6206-37NR is adopted by the voltage converter Uc 1.
In this embodiment, the overall size of the main alarm device 1 is approximately 50 × 20 mm; when alarming is needed, a person presses a key or sends an alarm word to generate a main trigger signal to trigger the processor 101, the processor 101 wakes up the GPS positioning module 103 and the Sigfox communication module 104 after being awakened, the GPS positioning module 103 acquires position information in a real-time positioning mode, the processor 101 sends alarm information and the position information to the cloud platform through the Sigfox communication module 104 to alarm, and the alarm can be carried by a specific crowd.
Example two
With reference to fig. 8 to 13, the difference between the second embodiment and the first embodiment is that the alarm device of the second embodiment includes not only the master alarm device 1, but also at least one slave alarm device 2, and in order to implement signal transmission between the master alarm device 1 and the slave alarm device 2, the master alarm device 1 further includes a master communication module 106.
The alarm device of the second embodiment comprises a master alarm device 1 and a slave alarm device 2, wherein the master alarm device 1 comprises a processor 101, a master trigger module 102, a GPS positioning module 103, a Sigfox communication module 104, a master power supply module 105, a master communication module 106 and a display unit 107, the processor 101, the main trigger module 102, the GPS positioning module 103, the Sigfox communication module 104 and the main power supply module 105 are the same in one embodiment, the main communication module 106 adopts an F-9398 bluetooth module produced by shenzhen china central core science and technology limited, the main communication module 106 acquires a slave trigger signal of the slave alarm device 2 in a wireless bluetooth manner, the display unit 107 includes slave trigger signal lamps Da1, Da2, Da3 and Da4 connected to the main communication module 106, the slave trigger signal lamps and the slave alarm devices 2 are the same in number and correspond to each other, and when the main communication module 106 receives the slave trigger signal, the slave trigger signal lamps of the display unit 107 correspondingly display; the signal output end of the main communication module 106 is connected to the processor 101 and transmits the slave trigger signal to the processor 101;
the slave alarm device 2 comprises a slave trigger module 201, a slave communication module 202 and a slave power supply module 203; the slave trigger module 201 is used for generating a slave trigger signal, and the slave trigger module 201 is a key K1; the slave communication module 202 is connected to the master communication module 106 of the slave trigger module 201, and is used for transmitting the slave trigger signal to the master alarm device 1, and both the slave communication module 202 and the master communication module 106 adopt an F-9398 Bluetooth module produced by Shenzhen City core-in-core science and technology Limited; the slave power module 203 is used for providing working voltage for the slave trigger module 201 and the slave communication module 202, the slave power module 203 comprises a 3.7V lithium battery and capacitors C1 and C2, the capacitors C1 and C2 are connected in parallel to the anode of the 3.7V lithium battery and then grounded, and the 3V working voltage is output from the anode of the 3.7V lithium battery and a node of the capacitors C1 and C2 and is used for supplying power supply end of the slave communication module 202.
The overall size of the master alarm device 1 of the present embodiment is approximately 50 × 20mm, and the overall size of the slave alarm device 2 is 30 × 20 mm; the main alarm device 1 is expanded in a wireless communication mode, the wireless alarm device can be applied to small vehicles, large buses and other scenes, the rear condition of the vehicle cannot be observed in real time due to the fact that the vehicle is large, a driver can be actively reminded by the auxiliary alarm device 2, the main alarm device 1 is communicated with the auxiliary alarm device 2, one auxiliary alarm device 2 can be placed in a place where a safety hammer exists in a bus, the auxiliary alarm device 2 can be placed in the rear row of the small vehicle, when the vehicle is used, the main alarm device 1 is generally used in the driver, when a theft and robbery or other emergency situations exist on the vehicle, a secondary trigger signal can be sent to the main alarm device 1 of the driver through the auxiliary alarm device 2 to be displayed, and the driver can select whether to alarm through the main alarm device 1 according to actual situations after seeing the secondary trigger signal.
The master communication module 106 and the slave communication module 202 adopt bluetooth mesh to perform slave device extension on the alarm device, the bluetooth mesh can establish a one-to-many relationship between wireless devices, and in addition, the devices can relay data to other devices which are not in the direct radio coverage range of the initial device; in this way, the mesh network can span a very large physical area and contain a large number of devices. And through wireless transmission, saved the cost of wiring, do not influence the inside pleasing to the eye of vehicle.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. An alarm device based on low-power wireless transmission, characterized in that: the system comprises a main alarm device (1) which is used for generating alarm information and position information and sending the alarm information and the position information to a cloud platform;
the main alarm device (1) comprises a processor (101), and a main trigger module (102), a GPS positioning module (103) and a Sigfox communication module (104) which are connected with the processor (101); wherein the content of the first and second substances,
the main trigger module (102) is used for generating a main trigger signal and transmitting the main trigger signal to the processor (101);
the processor (101) is used for receiving the main trigger signal, generating alarm information and then triggering the GPS positioning module (103) and the Sigfox communication module (104) to work; the system comprises a cloud platform, a Sigfox communication module (104) and a warning module, wherein the Sigfox communication module is used for sending warning information and position information to the cloud platform;
the GPS positioning module (103) is used for positioning in real time and acquiring the position information of the equipment;
the Sigfox communication module (104) is used for realizing wireless transmission of information between the processor (101) and the cloud platform;
the main alarm device (1) further comprises a main power supply module (105) used for supplying working voltage to the processor (101), the main trigger module (102), the GPS positioning module (103) and the Sigfox communication module (104).
2. The low power wireless transmission-based alerting device of claim 1, wherein: the main trigger module (102) comprises a key unit (1021).
3. The low power wireless transmission-based alerting device of claim 1 or 2, wherein: the main trigger module (102) comprises a speech recognition unit (1022).
4. The low power wireless transmission-based alerting device of claim 1, wherein: the alerting device further comprises at least one slave alerting device (2); the slave alarm device (2) comprises a slave trigger module (201), a slave communication module (202) and a slave power supply module (203);
the slave trigger module (201) is used for generating a slave trigger signal;
the slave communication module (202) is connected with the slave triggering module (201) and is used for transmitting the slave triggering signal to the master alarm device (1);
the slave power supply module (203) is used for providing working voltage for the slave trigger module (201) and the slave communication module (202).
5. The low power wireless transmission-based alerting device of claim 4, wherein: the slave trigger module (201) is a key.
6. The low power wireless transmission-based alerting device of claim 4, wherein: the main alarm device (1) further comprises a main communication module (106) connected to the processor (101), wherein the main communication module (106) is used for transmitting the slave trigger signal to the processor (101).
7. The low power wireless transmission-based alerting device of claim 6, wherein: the master communication module (106) and the slave communication module (202) are both Bluetooth modules.
8. The low power wireless transmission-based alerting device of claim 6, wherein: the main alarm device (1) further comprises a display unit (107) connected to the main communication module (106) for displaying the slave trigger signal.
9. The low power wireless transmission-based alerting device of claim 1, wherein: the processor (101) adopts an STM32L011 chip.
10. The low power wireless transmission-based alerting device of claim 1, wherein: the Sigfox communication module (104) employs SFM10R2 series.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113886196A (en) * | 2021-12-07 | 2022-01-04 | 上海燧原科技有限公司 | On-chip power consumption management method, electronic device and storage medium |
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