CN107995601A - Super low-power consumption acceleration sensing alarm system - Google Patents
Super low-power consumption acceleration sensing alarm system Download PDFInfo
- Publication number
- CN107995601A CN107995601A CN201711166216.5A CN201711166216A CN107995601A CN 107995601 A CN107995601 A CN 107995601A CN 201711166216 A CN201711166216 A CN 201711166216A CN 107995601 A CN107995601 A CN 107995601A
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- China
- Prior art keywords
- module
- button
- wireless transport
- power consumption
- alarm system
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/12—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by alteration of electrical resistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a kind of super low-power consumption acceleration sensing alarm system, including：Power module, data memory module, acceleration sensor module, signal processing module, wireless transport module, button and coder module；The data memory module is connected with wireless transport module, and by being connected with wireless transport module, the button is connected acceleration sensor module with coder module with wireless transport module, and the power module is to each module for power supply.The present invention can orient acceleration detection, the threshold values of automatic contrast setting, judge it is general vibrations or harmful shock rapidly, fast reaction, immediately report, support radio remote Distance Transmission, remove the work of a large amount of construction wirings from, utilize RFID communication modes, any network and speech communication bandwidth resources are not take up, using ultralow Consumption, battery compartment can be made small, with cost-effective and installation volume, the design difficulty of water proof and dust proof and radiator is substantially reduced.
Description
Technical field
The present invention relates to alarm technique field, especially a kind of super low-power consumption acceleration sensing alarm system.
Background technology
China has a vast territory, and vast territory and abundant resources, in high-voltage power line monitoring, construction site remote engineering management, land resources
Executing The Law While Managing Land, Flood Prevention, Digital Agriculture/smart greenhouse, many critical facilities in mine are placed in the outdoor environment of inclement condition
It is lower that but it is usually that subsequent ability when manually check is useful to monitor, it is necessary to monitor protection, when these equipment run into shock, avalanche,
When damage, it is desirable to be able to which first time knows information, and the device that information is uploaded rapidly automatically, could notify in time
Law enforcement and maintenance department rush on site fault clearing.
In the prior art, alarm system is mainly the scope that can be reached using electric power networks, to ensure monitoring device
Day-to-day operation, but in the field environment, electric power networks not have the low voltage electric network that suitable civil equipment uses everywhere, another
It is that no electric power networks are supplied that aspect, which also has under more environment, so that monitoring device can not installation and operation.Common solution
Scheme is to coordinate storage battery power supply with solar energy, but general civilian monitoring device power consumption is larger, fully relies on solar energy and is difficult to
Support 24 it is small when continual operation.
Therefore, the prior art needs to improve.
The content of the invention
A technical problem to be solved of the embodiment of the present invention is：A kind of super low-power consumption acceleration sensing alarm system is provided
System, including：
Power module, data memory module, acceleration sensor module, signal processing module, wireless transport module, button
With coder module；
The power module and the data memory module, acceleration sensor module, signal processing module, be wirelessly transferred
Module, button and coder module connect and provide power supply；
The data memory module is connected with the wireless transport module, for storing the coding of wireless transport module setting
Information；
The acceleration sensor module is connected with the signal processing module, the acceleration sensor module pass through by
Acceleration information caused by equipment shock is converted into voltage data, and magnitude of voltage is sent to signal processing module；
The signal processing module is amplified processing by the weak voltage value for sending acceleration sensor module, with
Sensitivity is improved, and the voltage signal after processing is sent to wireless transport module；
The button is connected with coder module with the wireless transport module, and the button is used to set with coding module
The running parameter of wireless transport module, working status, and by the running parameter number of data memory module storage wireless transport module
According to；
The running parameter that the wireless transport module is stored according to data memory module, adds what signal processing module was sent
The shock signal of acceleration sensor module collection is sent to long-range receiving terminal.
In another embodiment based on the above-mentioned super low-power consumption acceleration sensing alarm system of the present invention, the power supply mould
Block includes DC power supply, anti-reverse unit, DC-DC converting units；
The DC power supply is one piece of 18650 lithium battery；
The anti-reverse unit is low-loss PMOS tube；
The DC power supply realizes voltage conversion after the anti-reverse processing of anti-reverse unit, by DC-DC converting units
After export.
In another embodiment based on the above-mentioned super low-power consumption acceleration sensing alarm system of the present invention, the data are deposited
Storage module includes Flash chip.
In another embodiment based on the above-mentioned super low-power consumption acceleration sensing alarm system of the present invention, at the signal
Managing module includes in-phase amplifier, voltage comparator, reference voltage reference device；
The circuit of the in-phase amplifier is made of operational amplifier and resistance, for producing fixed multiple；
The circuit of the voltage comparator is made of operational amplifier；
The circuit of the reference voltage reference device is made of operational amplifier and adjustable potentiometer；
The voltage comparator is connected with the in-phase amplifier, reference voltage reference device.
In another embodiment based on the above-mentioned super low-power consumption acceleration sensing alarm system of the present invention, the wireless biography
Defeated module includes MCU units and radiating circuit；
The MCU units are connected with the transmitter unit, and the MCU units are used to set radiating circuit running parameter, work
Make mode or the running parameter set is read from data memory module, and receive the acceleration of data processing module transmission
The signal of sensor assembly collection, and send the signal to radiating circuit；
Running parameter that the radiating circuit is set according to the MCU units, mode of operation, and with long-range receiving terminal
Communication, the signal that acceleration sensor module gathers is sent to long-range receiving terminal.
In another embodiment based on the above-mentioned super low-power consumption acceleration sensing alarm system of the present invention, the wireless biography
Defeated module is connected by spi bus with the data memory module, signal processing module, button and coder module.
In another embodiment based on the above-mentioned super low-power consumption acceleration sensing alarm system of the present invention, the MCU is mono-
Member includes RFID Communication Control chips.
The button includes push-button unit, coding unit with coder module；
The push-button unit is connected with wireless transport module；
The push-button unit includes simulating impact button, system reset button, parameter setting storage button；
The simulating impact button is used for simulation test and hits generation, test and debugging system integrity；
The system reset button is used to reset whole system, is returned to original state；
The parameter setting storage button is coordinated with coding unit, when the running parameter for needing change wireless transport module
When, after being configured by coding unit, press the parameter setting storage button and the parameter information of setting is saved in number
According to memory module；
The coding unit is rotary encoder, including device id encoder, adjusts transmission power knob；
The device id encoder is used to encode the address of wireless transport module, the wireless transport module address
It is encoded to unique code；
The transmission power for adjusting transmission power knob and being used to adjust wireless transport module.
In another embodiment based on the above-mentioned super low-power consumption acceleration sensing alarm system of the present invention, the coding is single
The coding virtual value of member is up to 256, and coding mode is binary-coded decimal form.
Compared with prior art, the present invention has the following advantages：
The present invention can support the acceleration detection of orientation, and contrast the threshold values of setting automatically, rapid to judge it is generally to shake
Dynamic or harmful shock, fast reaction, reports immediately, supports radio remote Distance Transmission, removes the work of a large amount of construction wirings from, sharp
With RFID communication modes, any network and speech communication bandwidth resources are not take up, due to using ultralow Consumption, the system
Battery compartment can be made small, big to the design difficulty of water proof and dust proof and radiator with cost-effective and installation volume
It is big to reduce.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
The attached drawing of a part for constitution instruction the embodiment that the invention has been described, and be used to explain together with description
The principle of the present invention.
Referring to the drawings, according to following detailed description, the present invention can be more clearly understood, wherein：
Fig. 1 is the structure diagram of one embodiment of the super low-power consumption acceleration sensing alarm system of the present invention.
Fig. 2 is the structure diagram of another embodiment of the super low-power consumption acceleration sensing alarm system of the present invention.
Fig. 3 is the structure diagram of another embodiment of the super low-power consumption acceleration sensing alarm system of the present invention.
Fig. 4 is the structure diagram of another embodiment of the super low-power consumption acceleration sensing alarm system of the present invention.
In figure：1 power module, 11 DC power supplies, 12 anti-reverse units, 13DC-DC converting units, 2 data memory modules,
3 acceleration sensor modules, 4 signal processing modules, 41 in-phase amplifiers, 42 voltage comparators, 43 reference voltage reference devices, 5
Wireless transport module, 6 buttons and coder module.
Embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition have
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
At the same time, it should be appreciated that for the ease of description, the size of the various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 be the present invention super low-power consumption acceleration sensing alarm system one embodiment structure diagram, such as Fig. 1
Shown, the super low-power consumption acceleration sensing alarm system of the embodiment includes：
Power module 1, data memory module 2, acceleration sensor module 3, signal processing module 4, wireless transport module
5th, button and coder module 6；
It is the power module 1 and the data memory module 2, acceleration sensor module 3, signal processing module 4, wireless
Transport module 5, button and coder module 6 connect and provide power supply；
The data memory module 2 is connected with the wireless transport module 5, for storing the setting of wireless transport module 5
Coding information；
The acceleration sensor module 3 is connected with the signal processing module 4, and the acceleration sensor module 3 is logical
Cross by equipment hit caused by acceleration information be converted into voltage data, and magnitude of voltage is sent to signal processing module 4；
The signal processing module 4 is amplified processing by the weak voltage value for sending acceleration sensor module 3,
To improve sensitivity, and the voltage signal after processing is sent to wireless transport module 5；
The button is connected with coder module 6 with the wireless transport module 5, and the button is used for coding module 6
Running parameter, the working status of wireless transport module 5 are set, and the work of wireless transport module 5 is stored by data memory module 2
Supplemental characteristic；
The running parameter that the wireless transport module 5 is stored according to data memory module 2, signal processing module 4 is sent
Acceleration sensor module 3 gather shock signal send to long-range receiving terminal.
Fig. 2 is the structure diagram of another embodiment of the super low-power consumption acceleration sensing alarm system of the present invention, such as
Shown in Fig. 2, the power module includes DC power supply 11, anti-reverse unit 12, DC-DC converting units 13；
The DC power supply 11 is one piece of 18650 lithium battery；
The anti-reverse unit 12 is low-loss PMOS tube；
The DC power supply 11 realizes electricity after anti-reverse 12 anti-reverse processing of unit by DC-DC converting units 13
Exported after pressure conversion.
In specific circuit design, DC power supply 11 is set with 18605 lithium battery power supplies in the incoming end of battery
TVS pipe prevents battery moment overtension caused by loose contact, effectively attracts voltage fluctuation as protection.Lead in circuit
The PMOS tube of anti-reverse unit 12 is crossed, prevents battery reversal connection from causing circuit to injure, which has electric current big, and electric conduction forces down spy
Point, to reduce the consumption of electric energy here.Anti-reverse unit 12 PMOS tube output another connect TVS pipe as secondary guarantor
Shield, prevents device failure from producing burr voltage, is then electrified to hold absorption fluctuation voltage, steady using cell voltage, enters electricity
Monitor and DC-DC converting units 13 are pressed, the effect of voltage monitor is to detect the electricity of battery, ensures that battery is not put excessively
Electricity, if cell voltage lacks 3.0V, DC-DC converting units 13 will be stopped.Voltage monitor and DC-DC converting units 13
All it is ultra low power devices, voltage monitor typical consumption electric current is 0.7uA, and the quiescent current of DC-DC converting units 13 only has
1uA.After DC-DC converting units 13, total system is arrived in power supply.
The data memory module 2 includes Flash chip.The Flash chip supports 16Mbit data capacities.Power supply mould
To realize that low-power consumption sets PMOS tube as switch between block 1 and the connection circuit of data memory module 2, in wireless transport module
The standby situation of 5 deep-sleeps, PMOS tube disconnect, and the data content in Flash chip can't be lost.Work as wireless transport module
When 5 needs are read and write from Flash chip, PMOS tube conducting, after the completion of read-write, PMOS tube disconnects, and realizes that power consumption is minimized.
Fig. 3 is the structure diagram of another embodiment of the super low-power consumption acceleration sensing alarm system of the present invention, such as
Shown in Fig. 3, the signal processing module 4 includes in-phase amplifier 41, voltage comparator 42, reference voltage reference device 43；
The circuit of the in-phase amplifier 41 is made of operational amplifier and resistance, for producing fixed multiple；
The circuit of the voltage comparator 42 is made of operational amplifier；
The circuit of the reference voltage reference device 43 is made of operational amplifier and adjustable potentiometer；
The voltage comparator 42 is connected with the in-phase amplifier 41, reference voltage reference device 43.
In the particular embodiment, acceleration sensor module 3 uses strain chip architecture, when foil gauge moment stress,
It is deformed upon so that self-resistance changes, and applies driving source on foil gauge, it is possible to changes voltage change, completes
Signal is changed, so as to detect the generation of shock or vibrations, foil gauge sets for one side and pin position is fixedly mounted, and there is counterweight in another side
Block, after installation is complete, applies the power in a direction, the acceleration with power equidirectional will occur for clump weight in foil gauge front
Degree, and deform upon foil gauge.After deformation occurs, voltage changes therewith；The voltage change that acceleration sensor module 3 gathers
It is very faint, it is therefore desirable at the voltage change data that signal processing module 4 gathers acceleration sensor module 3
Reason, first, the voltage change data that acceleration sensor module 3 gathers are first sent to in-phase amplifier 41, in-phase amplifier
41 will be output to voltage comparator 42 after this weak voltage delta data amplification decades of times, pass through voltage comparator 42 and benchmark
Voltage is made comparisons, the signal output of in-phase amplifier 41 to the secondary phase pole of voltage comparator 42, the positive pole of voltage comparator 42
Connect benchmark voltage reference device 43, the reference voltage of the input voltage of reference voltage reference device 43 as voltage comparator 42, institute
State reference voltage reference device 43 and adjustable potentiometer is set, it is possible to achieve reference voltage is adjustable, so as to reach raising system sensitivity
Purpose.Since the voltage change signal of collection is the negative that is connected on voltage comparator 42, in no any shock or vibrations hair
In the case of life, voltage comparator 42 can export high level and is not waken up to wireless transport module 5, wireless transport module 5, work as electricity
When pressing the voltage change signal of the secondary mutually input of comparator 42 big more than the reference voltage of the reference voltage reference device 43 of positive, voltage
Comparator 42 exports a low level, and wake-up is just deposited in the standby wireless transport module 5 of dormancy, wireless transport module 5 from data
Store up module 2 and read parameter, send data according to the transmission power and parameter set, after data sending, be wirelessly transferred
The dormancy immediately of module 5.
Fig. 4 is the structure diagram of another embodiment of the super low-power consumption acceleration sensing alarm system of the present invention, such as
Shown in Fig. 4, the wireless transport module 5 includes MCU units 51 and radiating circuit 52；
The MCU units 51 are connected with the transmitter unit 52, and the MCU units 51 are used to set radiating circuit work ginseng
Number, working method read the running parameter set from data memory module, and receive the transmission of data processing module 4
The signal that acceleration sensor module 3 gathers, and send the signal to radiating circuit 52；
Running parameter that the radiating circuit 52 is set according to the MCU units 51, mode of operation, and with remotely connecing
Receiving end communicates, and the signal that acceleration sensor module 3 gathers is sent to long-range receiving terminal.
The MCU units 51 incorporate RFID wireless telecommunication systems and the chip of on piece dc-dc, are being wirelessly transferred
After module 5 is waken up, MCU units 51 read the parameter that data memory module 2 is set, and will be hit in internal control radiating circuit 52
Signal is sent to long-range receiving terminal, realizes after hitting the remote transmission of signal, wireless transport module 5 enters the standby shape of dormancy
State, to realize low-power consumption standby.
The wireless transport module 5 by spi bus and the data memory module 2, signal processing module 4, button with
Coder module 6 connects.
The MCU units include RFID Communication Control chips.
The button includes push-button unit, coding unit with coder module 6；
The push-button unit is connected with wireless transport module 5；
The push-button unit includes simulating impact button, system reset button, parameter setting storage button；
The simulating impact button is used for simulation test and hits generation, test and debugging system integrity；
The system reset button is used to reset whole system, is returned to original state；
The parameter setting storage button is coordinated with coding unit, is joined when needing the work for changing wireless transport module 5
During number, after being configured by coding unit, press the parameter setting storage button and be saved in the parameter information of setting
Data memory module 2；
The coding unit is rotary encoder, including device id encoder, adjusts transmission power knob；
The device id encoder is used to encode the address of wireless transport module 5,5 ground of wireless transport module
Location is encoded to unique code；
The transmission power for adjusting transmission power knob and being used to adjust wireless transport module 5.
The coding virtual value of the coding unit is up to 256, and coding mode is binary-coded decimal form.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and its
The difference of its embodiment, the same or similar part cross-reference between each embodiment.For system embodiment
For, since it is substantially corresponding with embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be to more preferably illustrate the principle of the present invention and practical application, and those of ordinary skill in the art is managed
The solution present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (9)
- A kind of 1. super low-power consumption acceleration sensing alarm system, it is characterised in that including：Power module, data memory module, acceleration sensor module, signal processing module, wireless transport module, button and volume Code device module；The power module and the data memory module, acceleration sensor module, signal processing module, be wirelessly transferred mould Block, button and coder module connect and provide power supply；The data memory module is connected with the wireless transport module, for storing the coding letter of wireless transport module setting Breath；The acceleration sensor module is connected with the signal processing module, and the acceleration sensor module is by by equipment Acceleration information caused by shock is converted into voltage data, and magnitude of voltage is sent to signal processing module；The signal processing module is amplified processing by the weak voltage value for sending acceleration sensor module, to improve Sensitivity, and the voltage signal after processing is sent to wireless transport module；The button is connected with coder module with the wireless transport module, and the button is used to set wireless with coding module The running parameter of transport module, working status, and by the running parameter data of data memory module storage wireless transport module；The running parameter that the wireless transport module is stored according to data memory module, the acceleration that signal processing module is sent The shock signal of sensor assembly collection is sent to long-range receiving terminal.
- 2. super low-power consumption acceleration sensing alarm system according to claim 1, it is characterised in that the power module bag Include DC power supply, anti-reverse unit, DC-DC converting units；The DC power supply is one piece of 18650 lithium battery；The anti-reverse unit is low-loss PMOS tube；The DC power supply is defeated after DC-DC converting units realize voltage conversion after the anti-reverse processing of anti-reverse unit Go out.
- 3. super low-power consumption acceleration sensing alarm system according to claim 1, it is characterised in that the data store mould Block includes Flash chip.
- 4. super low-power consumption acceleration sensing alarm system according to claim 1, it is characterised in that the signal processing mould Block includes in-phase amplifier, voltage comparator, reference voltage reference device；The circuit of the in-phase amplifier is made of operational amplifier and resistance, for producing fixed multiple；The circuit of the voltage comparator is made of operational amplifier；The circuit of the reference voltage reference device is made of operational amplifier and adjustable potentiometer；The voltage comparator is connected with the in-phase amplifier, reference voltage reference device.
- 5. super low-power consumption acceleration sensing alarm system according to claim 1, it is characterised in that described to be wirelessly transferred mould Block includes MCU units and radiating circuit；The MCU units are connected with the transmitter unit, and the MCU units are used to set radiating circuit running parameter, work side Formula reads the running parameter set from data memory module, and receives the acceleration sensing of data processing module transmission The signal of device module collection, and send the signal to radiating circuit；Running parameter that the radiating circuit is set according to the MCU units, mode of operation, and lead to long-range receiving terminal News, the signal that acceleration sensor module gathers is sent to long-range receiving terminal.
- 6. super low-power consumption acceleration sensing alarm system according to claim 1, it is characterised in that described to be wirelessly transferred mould Block is connected by spi bus with the data memory module, signal processing module, button and coder module.
- 7. super low-power consumption acceleration sensing alarm system according to claim 5, it is characterised in that the MCU units bag Include RFID Communication Control chips.
- 8. super low-power consumption acceleration sensing alarm system according to claim 1, it is characterised in that the button and coding Device module includes push-button unit, coding unit；The push-button unit is connected with wireless transport module；The push-button unit includes simulating impact button, system reset button, parameter setting storage button；The simulating impact button is used for simulation test and hits generation, test and debugging system integrity；The system reset button is used to reset whole system, is returned to original state；The parameter setting storage button is coordinated with coding unit, when needing to change the running parameter of wireless transport module, After being configured by coding unit, press the parameter setting storage button parameter information of setting is saved in data and deposit Store up module；The coding unit is rotary encoder, including device id encoder, adjusts transmission power knob；The device id encoder is used to encode the address of wireless transport module, the wireless transport module geocoding For unique code；The transmission power for adjusting transmission power knob and being used to adjust wireless transport module.
- 9. super low-power consumption acceleration sensing alarm system according to claim 8, it is characterised in that the coding unit Coding virtual value is up to 256, and coding mode is binary-coded decimal form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711166216.5A CN107995601A (en) | 2017-11-21 | 2017-11-21 | Super low-power consumption acceleration sensing alarm system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711166216.5A CN107995601A (en) | 2017-11-21 | 2017-11-21 | Super low-power consumption acceleration sensing alarm system |
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| CN201711166216.5A Pending CN107995601A (en) | 2017-11-21 | 2017-11-21 | Super low-power consumption acceleration sensing alarm system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110455394A (en) * | 2019-08-23 | 2019-11-15 | 哈尔滨工业大学 | Aid-to-navigation light equipment monitoring and Communication mechanism designed method under shielding environment |
| CN113395668A (en) * | 2020-03-16 | 2021-09-14 | 无锡市铖月科技有限公司 | Low-power consumption communication control circuit |
| CN117110650A (en) * | 2023-08-31 | 2023-11-24 | 中国海洋大学 | Acceleration sensor adjusting system capable of adaptively adjusting sensitivity and sensor |
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| CN117110650A (en) * | 2023-08-31 | 2023-11-24 | 中国海洋大学 | Acceleration sensor adjusting system capable of adaptively adjusting sensitivity and sensor |
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Application publication date: 20180504 |