CN208903383U - A kind of unattended intelligent warning stake - Google Patents
A kind of unattended intelligent warning stake Download PDFInfo
- Publication number
- CN208903383U CN208903383U CN201821416573.2U CN201821416573U CN208903383U CN 208903383 U CN208903383 U CN 208903383U CN 201821416573 U CN201821416573 U CN 201821416573U CN 208903383 U CN208903383 U CN 208903383U
- Authority
- CN
- China
- Prior art keywords
- circuit
- module
- infrared
- stake
- android
- 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.)
- Active
Links
Abstract
The present utility model is related to security technology area, in particular to a kind of unattended intelligent guards against stake, including power module, single-chip microcontroller alarm module and application processor module, the processor of single chip computer module includes single-chip microcontroller, gyroscope block, infrared receiving circuit, infrared transmitting circuit, warning circuit, key circuit and indicator light, and the gyroscope block, infrared receiving circuit, infrared transmitting circuit, warning circuit, key circuit and indicator light are connect with single-chip microcontroller；The application processor module includes application processor, communication module, camera circuit, key circuit, TF card storage circuit, indicator light and display module, and the communication module, camera circuit, key circuit, indicator light and display module are connect with application processor；The single-chip microcontroller is communicated by serial ports with application processor；The utility model is effectively saved human resources.
Description
Technical field
The present invention relates to security technology area, in particular to a kind of unattended intelligent guards against stake.
Background technique
China is one of the country of geological disaster most serious in the world, and geological disaster is made from nature and artificial geology
It mainly include avalanche, landslide, mud-rock flow and ground fractures etc. with the catastrophic failure to geological environment.With China's economy
Fast development, urban construction scale is increasing, and some address disasters are also easy to happen in urban construction.In addition to address calamity
Evil is also prone to accidents there are also some other disaster fields, causes casualties.
It when calamity emergency event occurs, needs that warning line is arranged, to prevent irrelevant personnel entrance.When warning line is set, need
Warning stake is placed on the ground of disaster field, then connects warning rope in warning stake, however, when irrelevant personnel enters
In warning line, if emergency worker not warning stake near, emergency worker cannot induce it to retreat, also, irrelevant personnel or its
He still can damage scene, even, cause to hurt to its own animal more easily across or across warning line
Evil.Existing warning stake can only mark out warning region, it is necessary to artificially be alarmed and prevent irrelevant personnel from swarming into；The prior art
In the infrared facility of infrared surveillance stake of intelligent be difficult to be calibrated.
Summary of the invention
The utility model provides a kind of warning stake of unattended intelligent, including power module, processor of single chip computer module and
Application processor module, the processor of single chip computer module include single-chip microcontroller, gyroscope block, infrared receiving circuit, infrared hair
Transmit-receive radio road, warning circuit, the first key circuit and indicator light, the gyroscope block, infrared receiving circuit, infrared emission electricity
Road, warning circuit, the first key circuit and indicator light are connect with single-chip microcontroller；The application processor module includes Android
Nucleus module, communication module, camera circuit, the second key circuit, TF card storage circuit, indicator light and display module, it is described
Communication module, camera circuit, the second key circuit, indicator light and display module are connect with Android nucleus module；It is described
Single-chip microcontroller is communicated by serial ports with Android nucleus module；Wherein communication module includes 3G/4G mould group, WIFI mould group, ether
Net circuit and GPS circuitry.
Preferably, Android nucleus module includes Exynos4412 Main Control Unit, eMMC storage unit, double-speed
Rate synchronous DRAM (Double Data Rate Synchronous Dynamic Random Access
Memory, DDR SDRAM) unit, Power Management Unit (power management unit, PMU), it is described
Exynos4412 master controller is the processor of Android nucleus module；EMMC storage unit is Android nucleus module
Memory realizes the system program of core board and the storage of data；DDR SDRAM unit is the interior of Android nucleus module
It deposits, realizes the caching that the operation of nucleus module, data exchange are deposited；PMU is the power supply processing unit of Android nucleus module, real
The power supply power supply management of existing system modules.
Preferably, the single-chip microcontroller includes micro-control unit MCU chip, and the gyroscope block includes gyroscope chip,
37th pin of described MCU chip, the 38th pin respectively with the 23rd pin of gyroscope, the 24th pin serial time clock line,
Serial data line connection.
Preferably, the infrared receiving circuit includes infrared receiver, and the infrared transmitting circuit includes infrared emission
Unit, the 30th pin, the 31st pin of MCU chip are connect with infrared receiver, infrared emission unit respectively, to realize infrared connect
It receives and emits.
Preferably, the power module includes voltage source, and the 5V voltage of the voltage source output is after pressure stabilizing rectification
For Android nucleus module, warning circuit, LCD display, 3G/4G mould group, the power supply of WIFI mould group；5V voltage is by the first drop
3.3V voltage is exported after volt circuit, is ethernet circuit, GPS mould group, gyroscope block, indicator light, single-chip microcontroller, infrared receiver electricity
Road, infrared transmitting circuit power supply；5V voltage exports 1.8V voltage after the second reduction voltage circuit, powers for other auxiliary circuits.
Preferably, it is periodical to generate 38K modulated signal driving infrared transmitting circuit by the wide pulse signal PWM of the single-chip microcontroller
Emit pulse code.
Preferably, the indicator light includes infrared ray transmitting indicating lamp, infrared receiver indicator light, power supply indicator and report
Alert indicator light, when infrared ray transmitting indicating lamp, infrared receiver indicator light, power supply indicator and alarm lamp light, point
It is in running order that infrared transmitting circuit, infrared receiving circuit, power module and warning circuit are not represented；The 24th of MCU chip
Foot is connect with alarm lamp, realizes the control of alarm lamp.
Preferably, the reception induction end of the infrared radiation receiving circuit of the warning stake is located at the infrared emission electricity of the warning stake
1 centimetre~5 centimetres above or below the transmitting terminal on road.
Preferably, guard against stake in be provided with the first cylindrical shaft 1, the second cylindrical shaft 4, first motor 2, the second motor 5,
First L-type shaft 3, the second L-type shaft 6, wherein the shaft of first motor 2 is connect with the first cylindrical shaft 1, the first cylindrical shaft
1 engages with the first L-type shaft 3, and infrared transmitting circuit is mounted in the first L-type shaft 3；The shaft and second of second motor 5
Cylindrical shaft 4 connects, and the second cylindrical shaft 4 is engaged with the second L-type shaft 6, and infrared receiving circuit is mounted in the second L-type shaft
On 6.
Preferably, the serial ports that single-chip microcontroller is communicated with Android nucleus module is distance vector management interface (Asterisk
Manager Interface, AMI), AMI carries out the interaction of order and data using character string mode, and communication baud rate is
115200bps。
The utility model has the beneficial effects that
The utility model by warning stake inside installation settings have singlechip controller and Android processor, by each police
Stake is guarded against to connect by way of internet；
The design of warning stake is made of two parts: the intrusion detection of the achievable infrared ray shielding mode of a part and acousto-optic report
Mobile alarm that is alert, and being detected by gyroscope.Infrared ray operating mode can be arranged by key scene, and (transmitting is received, is received
Hair).
Another part is the collection and upload that warning message, location information, video information are completed by Android processor；It realizes
Circulation recording monitoring storage；WIFI hot spot covering etc..
The advantages of using designing two portions: single-chip microcontroller can work independently, and have high reliablity, fast response time, power consumption
Low advantage needs continuous work when executing screening mission, and AP can also be waken up with timing wake-up with event, executed
Low-power sleep state can be entered after current task, therefore Overall Power Consumption can be reduced；Generally speaking, the utility model realization is worked as
Someone guards against the Realtime Alerts and remote alarming function of stake, and the burglar alarm of warning stake when crossing warning line, and can lead to
It crosses camera circuit to be monitored scene, reduces personnel of the scene for monitoring.
Detailed description of the invention
Fig. 1 is that a kind of unattended intelligent of this patent guards against stake overall logic structure chart；
Fig. 2 is the structural schematic diagram that a kind of unattended intelligent of this patent guards against the micro process control unit of stake；
Fig. 3 is that a kind of unattended intelligent of this patent guards against the gyroscope block structural schematic diagram of stake；
Fig. 4 is that a kind of unattended intelligent of this patent guards against the partial structural diagram of stake；
Wherein, the 1, first cylindrical shaft, 2, first motor, the 3, first L-type shaft, the 4, second cylindrical shaft, the 5, second electricity
Machine, the 6, second L-type shaft.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in conjunction with attached
Figure, the technical scheme in the utility model embodiment is clearly and completely described, and described embodiment is only that this is practical
Novel a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained under the premise of not making the creative labor, fall within the protection scope of the utility model.
The utility model provides a kind of unattended intelligent warning stake, such as Fig. 1, including warning stake includes power module, list
Piece machine alarm module and application processor module, the single-chip microcontroller alarm module include single-chip microcontroller, gyroscope block, infrared receiver
Circuit, infrared transmitting circuit, warning circuit, the first key circuit and indicator light, the gyroscope block, infrared receiving circuit,
Infrared transmitting circuit, warning circuit, the first key circuit and indicator light are connect with single-chip microcontroller；The application processor module packet
Application processor, communication module, camera circuit, the second key circuit, TF card storage circuit, indicator light and display module are included,
The communication module, camera circuit, the second key circuit, indicator light and display module are connect with application processor；It is described
Single-chip microcontroller is communicated by serial ports with application processor.
Preferably, Android nucleus module includes Exynos4412 Main Control Unit, eMMC storage unit, DDR
SDRAM unit, PMU unit, the Exynos4412 master controller are the processor of Android nucleus module；EMMC storage
Unit is the memory of Android nucleus module, realizes the system program of core board and the storage of data；DDR SDRAM unit
It is the memory of Android nucleus module, realizes the caching that the operation of nucleus module, data exchange are deposited；PMU unit is Android
The power supply processing unit of nucleus module realizes each power supply power supply management of system；Exynos4412 master controller is the normal of field
With controller, this controller be can integrate.
Preferably, such as Fig. 2-3, single-chip microcontroller includes MCU chip, and the gyroscope block includes that the one-chip computer module includes
MCU chip, gyroscope chip and infrared receiving/transmission unit, the 37th pin of described MCU chip, the 38th pin respectively with top
The 23rd pin of spiral shell instrument, the serial time clock line (G-I2C-SCL) of the 24th pin, serial data line (G-I2C-SDA) connect, in Fig. 3
VDDIO expression low-voltage end or ground terminal, the high voltage end of VCC33 3.3 volts of power voltage supplies of expression, the 7th of gyroscope chip the
Pin, the 6th pin respectively with serial time clock line AUX_SCL, Exynos4412 master controller of Exynos4412 master controller
Serial data line AUX_SDA connection.
Preferably, the 30th pin, the 31st pin of MCU chip are connect with infrared receiver, infrared emission unit respectively, with reality
Existing infrared reception and transmitting；24th pin of MCU chip is connect with alarm lamp, realizes the control of alarm lamp.
Preferably, the 5V voltage of voltage source output be warning circuit after pressure stabilizing rectification, gyroscope block and
Display module provides power supply；5V voltage is the LCD liquid crystal of display module by exporting 3.3V voltage after the first reduction voltage circuit
Screen, application processor；5V voltage is key circuit, infrared receiver electricity by exporting 1.8V voltage after the second reduction voltage circuit
Road, infrared transmitting circuit；Preferably, the first reduction voltage circuit and the second reduction voltage circuit can choose low-dropout regulator.
Warning stake has two parts composition, and a portion is the processor of single chip computer module constituted based on single-chip microcontroller, can
Intrusion detection in a manner of cooperating infrared receiving circuit, infrared transmitting circuit, warning circuit and indicator light realization infrared ray to cover
And sound-light alarm, and can detect whether warning stake moves by gyroscope block, if illegal movement can also pass through report
Alert circuit alarm；
Another part is the application processor control module being made of application processor, the available warning stake of this module
Location information, acquisition warning stake location video information, can will be with one-chip computer module communicate through a serial port, and can be with
It is communicated by 3G/4G with remote server.
The utility model is in the modular structure with two standalone modules, single chip control module high reliablity, response speed
Fastly, low in energy consumption, need to be carried out continuously work when executing screening mission, and application processor module can be with timing wake-up, it can also
It is waken up with the time, the sleep state of low-power consumption is entered after having executed task, the power consumption of complete machine, two module cooperations can be reduced
It uses, reaches outstanding working condition.
Infrared transmitting circuit generates 38K modulated signal driving infrared transmitting tube using the extreme PWM of point and carries out periodical hair
Penetrate pulse code, it is contemplated that guard against the volume flexibility of stake, the transmitting position of infrared signal can carry out certain model in warning stake
The rotation enclosed.
Infrared receiving circuit uses the integrated infrared receiving terminal of high sensitivity, strong antijamming capability, and effective distance is reachable
15m, it is contemplated that guard against the volume flexibility of stake, the position of infrared receiving terminal can carry out a certain range of rotation in warning stake.
Preferably, the indicator light includes infrared ray transmitting indicating lamp, infrared receiver indicator light, power supply indicator and report
Alert indicator light, when infrared ray transmitting indicating lamp, infrared receiver indicator light, power supply indicator and alarm lamp light, point
It is in running order that infrared transmitting circuit, infrared receiving circuit, power module and warning circuit are not represented.
Preferably, the communication module includes WiFi communication circuit and 4G telecommunication circuit.
Preferably, such as Fig. 4, the reception induction end of the infrared radiation receiving circuit of the warning stake is located at the infrared of the warning stake
1 centimetre~5 centimetres above or below the transmitting terminal of transmit circuit.
Preferably, the serial ports that single-chip microcontroller is communicated with application processor be AMI interface, AMI interface using character string mode into
The interaction of line command and data, communication baud rate 115200bps.
In the present embodiment, when for warning stake power on after, power supply indicator is bright, infrared receiving device, infrared launcher,
Gyroscope and warning device are in closed state；
First key circuit includes transmitting key and receives key, after completion powers on, when pressing transmitting key, is opened
Infrared launcher can close emitter when long-pressing emits key；Wherein the every 128ms of infrared launcher is sent primary
Infrared signal, the infrared signal content of transmission is the ID number of current warning stake, if long-pressing emits key, infrared launcher hair
Penetrate the warning stake of shutdown command notice downstream；Second key circuit include control application processor module power supply, display screen etc. by
Key；
When pressing reception key, infrared receiving device is opened, warning stake enters align mode, under align mode, if
Infrared receiving device receives infrared signal, codan lamp fast blink, then enters the state of alert by the primary key that receives；If
Infrared signal is not received, and codan lamp is always on, and needs to adjust the position of infrared receiving device, until receiving infrared letter
Number；If long-pressing receives key, infrared receiving device can be closed；If receiving the shutdown command of upstream warning stake, close red
Infrared receiving device.
After completing calibration, if infrared receiving device does not receive infrared signal before not receiving shutdown signal,
When warning circuit is in running order, alarm lamp is lighted, and the loudspeaker of warning circuit make a sound, and time of fire alarming can be
It is arranged in Android nucleus module, if infrared signal restores transmission, infrared receiving device receives infrared signal, then terminates to report
Alert state, otherwise warning circuit is constantly in working condition, staff can press receive key re-start calibration or
Key can be received with long-pressing closes warning stake.
When guarding against stake inclination or movement, when gyroscope can detecte angled variation, can alarm at this time,
It can avoid theft in this way and guard against the behavior of stake.
The case where in order to give warning stake charging in time, warning stake be prevented to be automatically closed without electricity, when battery capacity is lower than 50%
When, power supply indicator slow flash is lower than 10% when lighting, power supply indicator quick flashing.
Such as Fig. 4, the present embodiment provides a kind of structures for placing infrared receiving circuit and infrared transmitting circuit, in the present embodiment
In, infrared receiving circuit is arranged in 1~5cm of top of infrared transmitting circuit, guard against be provided in stake the first cylindrical shaft 1,
Second cylindrical shaft 4, first motor 2, the second motor 5, the first L-type shaft 3, the second L-type shaft 6, wherein first motor 2 turn
Axis is connect with the first cylindrical shaft 1, and the first cylindrical shaft 1 is engaged with the first L-type shaft 3, and infrared transmitting circuit is mounted on
In one L-type shaft 3；The shaft of second motor 5 is connect with the second cylindrical shaft 4, and the second cylindrical shaft 4 is nibbled with the second L-type shaft 6
It closes, infrared receiving circuit is mounted in the second L-type shaft 6；It, can be with when first motor motor drives the rotation of the first cylindrical shaft
The first L-type shaft is driven to rotate, that is, the infrared transmitting circuit being arranged in the first L-type shaft follows rotation, under normal circumstances, red
The slewing area of outer transmit circuit and infrared receiving circuit, can for more steady, rotation at the uniform velocity between 60~120 degree
One group of train of reduction gears to be arranged between L-type shaft and cylindrical shaft, reduction gearing belongs to mechanical manufacturing field common technology
Means, details are not described herein again.
Preferably, above-mentioned structure setting is inside warning stake, in order to be better achieved, can set in the inside of warning stake
It sets and is placed in bracket for placing motor or L-type shaft, the internal side wall of warning stake, first motor, second is arranged in bracket
The shaft of motor is located at the axle center of warning stake, and warning stake upper side wall is provided with the work for infrared receiving circuit and infrared transmitting circuit
Dynamic region, this zone of action can guarantee that infrared receiving circuit (or infrared transmitting circuit) carries out 60~120 degree in the horizontal plane
Activity between range, and the zone of action of infrared transmitting circuit and the zone of action of infrared receiving circuit are symmetrical.
The key circuit, camera circuit and part indicator light of the utility model belong to the prior art, in embodiment
It repeats no more.
It is finally noted that the purpose for publicizing and implementing example is to help to further understand the utility model, but originally
The technical staff in field is understood that in the spirit and scope for not departing from the utility model and the attached claims, various
Substitutions and modifications are all possible.Therefore, the utility model should not be limited to embodiment disclosure of that, and the utility model is wanted
Seek the range of protection subject to the scope defined in the claims.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Embodiment provided above has carried out further specifically the purpose of this utility model, technical solution and advantage
It is bright, it should be understood that embodiment provided above is only preferred embodiments of the present invention, not to limit this
Utility model, within the spirit and principle of the utility model to any modification made by the utility model, equivalent replacement, change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of unattended intelligent guards against stake, which is characterized in that at power module, processor of single chip computer module and application
Manage device module, the processor of single chip computer module include single-chip microcontroller, gyroscope block, infrared receiving circuit, infrared transmitting circuit,
Warning circuit, the first key circuit and indicator light, the gyroscope block, infrared receiving circuit, infrared transmitting circuit, alarm electricity
Road, the first key circuit and indicator light are connect with single-chip microcontroller；The application processor module include Android nucleus module,
Communication module, camera circuit, the second key circuit, TF card storage circuit, indicator light and display module, the communication module,
Camera circuit, the second key circuit, indicator light and display module are connect with Android nucleus module；The single-chip microcontroller is logical
Serial ports is crossed to communicate with Android nucleus module；Wherein communication module include 3G/4G mould group, WIFI mould group, ethernet circuit and
GPS circuitry.
2. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that Android nucleus module packet
It is mono- to include Exynos4412 Main Control Unit, eMMC storage unit, Double Data Rate synchronous DRAM DDR SDRAM
Member, Power Management Unit PMU, the Exynos4412 master controller are the processor of Android nucleus module；EMMC storage
Unit is the memory of Android nucleus module, realizes the system program of core board and the storage of data；DDR SDRAM unit
It is the memory of Android nucleus module, realizes the data exchange caching of nucleus module；PMU is the power supply of Android nucleus module
Processing unit realizes each template power supply power supply management of system.
3. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that the single-chip microcontroller includes micro-control
Unit MCU chip processed, the gyroscope block include gyroscope chip, the 37th pin of the MCU chip, the 38th pin difference
It is connect with the 23rd pin of gyroscope, the 24th pin.
4. a kind of unattended intelligent according to claim 3 guards against stake, which is characterized in that the 30th pin of MCU chip,
31st pin is connect with infrared receiving circuit, infrared transmitting circuit respectively, to realize infrared reception and transmitting.
5. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that the power module includes electricity
The 5V voltage of potential source, the voltage source output is shown after pressure stabilizing rectification for Android nucleus module, alarm, LCD
Screen, the power supply of 3G/4G mould group, WIFI mould group；5V voltage exports 3.3V voltage after the first reduction voltage circuit, be ethernet circuit,
GPS mould group, gyroscope block, indicator light, single-chip microcontroller, infrared receiving circuit, infrared transmitting circuit power supply；5V voltage passes through second
1.8V voltage is exported after reduction voltage circuit, is the first key circuit, the power supply of the second key circuit.
6. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that the broad pulse of the single-chip microcontroller
Signal PWM generates 38K modulated signal and drives infrared transmitting circuit periodical launch pulse code.
7. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that the indicator light includes infrared
Line transmitting indicating lamp, infrared receiver indicator light, power supply indicator and alarm lamp, when infrared ray transmitting indicating lamp, infrared
When line codan lamp, power supply indicator and alarm lamp light, respectively represent infrared transmitting circuit, infrared receiving circuit,
Power module and warning circuit are in running order；Wherein, the 24th foot of MCU chip is connect with alarm lamp.
8. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that the infrared ray of the warning stake
1 centimetre~5 lis above or below the transmitting terminal for the infrared transmitting circuit that the reception induction end for receiving circuit is located at the warning stake
Rice.
9. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that be provided with first in warning stake
Cylindrical shaft (1), the second cylindrical shaft (4), first motor (2), the second motor (5), the first L-type shaft (3), the second L-type turn
Axis (6), wherein the shaft of first motor (2) is connect with the first cylindrical shaft (1), the first cylindrical shaft (1) and the first L-type shaft
(3) bottom end is engaged, and infrared transmitting circuit is mounted on the top of the first L-type shaft (3)；The shaft of second motor (5) and the second circle
Column shaft (4) connection, the second cylindrical shaft (4) engages with second L-type shaft (6) bottom end, and infrared receiving circuit is mounted on the
The top of two L-type shafts (6).
10. a kind of unattended intelligent according to claim 1 guards against stake, which is characterized in that single-chip microcontroller and Android core
The serial ports of core module communication is distance vector management interface AMI, and AMI carries out the interaction of order and data using character string mode,
Its communication baud rate is 115200bps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416573.2U CN208903383U (en) | 2018-08-31 | 2018-08-31 | A kind of unattended intelligent warning stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416573.2U CN208903383U (en) | 2018-08-31 | 2018-08-31 | A kind of unattended intelligent warning stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903383U true CN208903383U (en) | 2019-05-24 |
Family
ID=66570813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821416573.2U Active CN208903383U (en) | 2018-08-31 | 2018-08-31 | A kind of unattended intelligent warning stake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831083A (en) * | 2018-08-31 | 2018-11-16 | 重庆节节高科技发展有限公司 | A kind of unattended intelligent warning stake |
-
2018
- 2018-08-31 CN CN201821416573.2U patent/CN208903383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831083A (en) * | 2018-08-31 | 2018-11-16 | 重庆节节高科技发展有限公司 | A kind of unattended intelligent warning stake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208421246U (en) | A kind of low-power dissipation system based on the positioning of GPS/ Beidou bimodulus | |
| CN104537788A (en) | High voltage electric transmission line external damage-proof intelligent image pre-warning system and method | |
| CN204102291U (en) | Flush flood and debris flow disaster portable emergency monitoring and warning equipment and instrument | |
| CN203204793U (en) | River water quality monitoring and alarm system | |
| CN205670371U (en) | A kind of scenic spot side slope real-time monitoring system based on obliquity sensor | |
| CN103052146A (en) | Low-power-consumption embedded type wireless sensor network node device | |
| CN208903383U (en) | A kind of unattended intelligent warning stake | |
| CN104888393A (en) | Novel intelligent monitoring fire hydrant | |
| CN204463388U (en) | A kind of university dormitory wireless alarm system | |
| CN202111783U (en) | Energy-saving camera with infrared probe function | |
| CN108831083A (en) | A kind of unattended intelligent warning stake | |
| CN208422064U (en) | A kind of practical landslide prior-warning device | |
| CN102682545A (en) | Oil field well site monitoring alarm system and method based on radio frequency identification | |
| CN206132131U (en) | City piping lane on -line monitoring system based on optical fiber sensing and shimmer monitoring technology | |
| CN111429678A (en) | Monitoring system for key population in epidemic situation | |
| CN104111637A (en) | Outdoor data acquisition and control equipment | |
| CN204515989U (en) | Based on the mountain landslide supervision prior-warning device of technology of Internet of things | |
| CN108877117A (en) | A kind of calibration system and its calibration method of unattended intelligent surveillance device | |
| CN201170910Y (en) | Voice warning device with wireless card-reading function for mining | |
| CN108898771A (en) | A kind of unattended intelligent warning stake fence is strayed into detection method and system | |
| CN204511059U (en) | Long-time standby automatic alarm lock | |
| CN104833954A (en) | Mine personnel security positioning system | |
| Wang et al. | Community alarm system design based on MCU and GSM | |
| CN114659666B (en) | Shallow geothermal energy cold accumulation monitoring system capable of automatically early warning according to temperature change | |
| CN109272685A (en) | A kind of communication means of unattended intelligent warning stake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |