CN209375643U - A kind of base station based on NB and bluetooth communication - Google Patents
A kind of base station based on NB and bluetooth communication Download PDFInfo
- Publication number
- CN209375643U CN209375643U CN201920364097.2U CN201920364097U CN209375643U CN 209375643 U CN209375643 U CN 209375643U CN 201920364097 U CN201920364097 U CN 201920364097U CN 209375643 U CN209375643 U CN 209375643U
- Authority
- CN
- China
- Prior art keywords
- circuit
- chip
- bluetooth
- resistance
- capacitor
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a kind of base station based on NB and bluetooth communication, including power circuit, Bluetooth circuit and NB circuit；Bluetooth circuit with power circuit and NB circuit connection, is connected with each other between power circuit and NB circuit respectively；Bluetooth circuit includes Bluetooth chip, Bluetooth chip is connect with Flash circuit, crystal oscillator, reset circuit, attitude transducer circuit, state sensor circuit, key circuit, indicator light circuit and filter circuit respectively, and antenna circuit connects Bluetooth chip by filter circuit.The utility model is that id information is installed and configured in fixed position (comprising location information), bluetooth obtains the information of the temperature and humidity value of this equipment, state (temperature and humidity, power supply) sensor, and scan the broadcast message for nearby having the bluetooth equipment of networking permission, the information such as its signal strength indication, MAC Address, alarm condition are obtained, above- mentioned information are passed to a kind of trunking of background server by NB network.
Description
Technical field
The utility model relates to bluetooth equipment technical fields and NB equipment technical field, and in particular to one kind is based on NB and indigo plant
The base station of tooth communication.
Background technique
In recent years, with the development of economy, the digital communication equipment based on wireless blue tooth technology is more and more, such as with
Mobile phone, tablet computer, the wearable smart machine of Bluetooth function are increasingly deep into daily life.At the same time, social
Upper factor leading to social instability still remains, and in a damaged condition, people's action may be subjected to restriction, such as user mobile phone not in body
Side, when by danger, though alarm signal can be issued in time, its signal cannot be efficiently transmitted over a channel to alert response means.
NB full name is NB-IoT (Narrow Band Internet of Things, narrowband Internet of Things).NB-IoT is IoT
The emerging technology in one, field supports low power consuming devices to connect in the cellular data of wide area network, also referred to as low-power consumption wide area network
(LPWAN).NB-IoT supports stand-by time length, the efficient connection to network connectivity requirements higher device.NB-IoT focuses on low
Power consumption extensively covers the market (LPWA) Internet of Things (IoT), is that one kind can widely applied emerging technology in the world.With covering
Gai Guang, the features such as connection is more, rate is fast, at low cost, low in energy consumption, framework is excellent.NB-IoT uses License frequency range, can take band
Three kinds of deployment way such as interior, protection band or Independent Carrier Wave, coexist with existing network.
Utility model content
In view of the above shortcomings of the prior art, the utility model provides a kind of base station based on NB and bluetooth communication, the base
It stands and is configured fixed id information during installation, bluetooth obtains the temperature and humidity value of this equipment, state (temperature and humidity, power supply) sensor
Information, and scan nearby have networking permission bluetooth equipment broadcast message, obtain its signal strength indication, MAC Address, alarm
Above- mentioned information are sent to by NB network to receive a crime report and platform while camera near base station being called to collect evidence by the information such as state.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of base based on NB and bluetooth communication
It stands, including power circuit, Bluetooth circuit and NB circuit；The Bluetooth circuit respectively with the power circuit and NB circuit connection,
It is connected with each other between the power circuit and NB circuit；The Bluetooth circuit includes Bluetooth chip, Flash circuit, crystal oscillation
Device, reset circuit, attitude transducer circuit, state sensor circuit, key circuit, indicator light circuit, filter circuit and antenna
Circuit；The Bluetooth chip respectively with the Flash circuit, crystal oscillator, reset circuit, attitude transducer circuit, state
Sensor circuit, key circuit, indicator light circuit are connected with filter circuit, and the antenna circuit is connected by the filter circuit
The Bluetooth chip.
As optimization, the Bluetooth circuit is equipped with power interface, and the Bluetooth circuit passes through power interface and the power supply
Circuit connection；The state sensor is temperature and humidity, power sensor.
As optimization, the power circuit includes LDO (low dropout regulator, low pressure difference linear voltage regulator)
Circuit, on/off circuit, poly-lithium battery and charging circuit；The LDO circuit connects the on/off circuit, the switch
Poly-lithium battery described in machine circuit connection, the poly-lithium battery connect the charging circuit.
As optimization, the power circuit is connect by LDO circuit with bluetooth power interface.
As optimization, the NB circuit includes NB master chip and SIM circuit；The NB master chip connects the SIM circuit.
As optimization, the NB master chip is connect with the LDO circuit and Bluetooth chip respectively.
As optimization, the Bluetooth chip includes the second chip U2, the 5th inductance L5, the 6th inductance L6, the tenth to the tenth
Four capacitor C10-C14, eleventh resistor R11, the second chip U2 use DA14580 chip；The Flash circuit includes
Third chip U3, the 23rd to the 25th resistance R23-R25 and the 7th capacitor C7, the third chip U3 are Flash core
Piece；The crystal oscillator includes first and second without source crystal oscillator Y1, X1；The reset circuit includes the second capacitor C2 and second
12 resistance R22；The key circuit includes the 35th resistance R35, the 32nd resistance R32, the 36th to the 30th
Eight resistance R36-R38, the 40th resistance R40, the second diode D2, the 6th field-effect tube Q6, the 7th field-effect tube Q7, the 18th
Capacitor C18 and touch-switch S2；The indicator light circuit includes the 23rd resistance R23, the 25th resistance R25, the first LED
Lamp LED1 and the second LED light LED2；The antenna circuit includes that pcb board carries Bluetooth antenna RF1.
As optimization, the charging circuit include the 6th chip U6, the 33rd resistance R33, the 34th resistance R34,
Third LED light LED3 and the 21st capacitor C21, the 6th chip use XT4054 chip.The on/off circuit packet
Include key S2, the 8th resistance R8, eleventh resistor R11, twelfth resistor R12, the 17th resistance R17, the 18th resistance R18,
21st resistance R21, the second diode D2, the 5th field-effect tube Q5, the 6th field-effect tube Q6 and first capacitor C1；It is described
LDO circuit includes the 7th chip U7, the 22nd capacitor C22, the 23rd capacitor C23 and the 41st resistance R41, and described the
Seven chips use RS3219-3.3YCS chip.
As optimization, the NB master chip includes the first chip U1, the second capacitor to the 5th capacitor C2-C5, second resistance
To the tenth resistance R2-R10, the 13rd to the 15th resistance R13-R15；The SIM circuit includes SIM chip, the 6th to the 9th
Capacitor C6-C9, the first chip U1.
As optimization, first LED light, the second LED light and third LED light are monochromatic LED lamp.
The beneficial effects of the utility model are:
The utility model structure is simple, and portability is high, low in cost, the functional circuit of selection mature scale volume production,
The utility model is configured fixed id information when installing, bluetooth obtains the temperature and humidity value of this equipment, state (temperature and humidity, power supply)
The information of sensor, and the broadcast message for nearby having the bluetooth equipment of networking permission is scanned, with obtaining its signal strength indication, MAC
The information such as location, alarm condition, above- mentioned information are sent to by NB network receive a crime report platform and meanwhile call near base station camera into
Row evidence obtaining.
Detailed description of the invention
Fig. 1 is a kind of structure connection figure of the base station based on NB and bluetooth communication described in the utility model.
Fig. 2 is the amplifying circuit connection figure of Bluetooth chip.
Fig. 3 is the amplifying circuit connection figure of Flash circuit.
Fig. 4 is the amplifying circuit connection figure of crystal oscillator.
Fig. 5 is the amplifying circuit connection figure of reset circuit.
Fig. 6 is the amplifying circuit connection figure of key circuit.
Fig. 7 is the amplifying circuit connection figure of indicator light circuit.
Fig. 8 is the amplifying circuit connection figure of antenna circuit.
Fig. 9 is the amplifying circuit connection figure of charging circuit.
Figure 10 is the amplifying circuit connection figure of on/off circuit.
Figure 11 is the amplifying circuit connection figure of LDO circuit.
Figure 12 is the amplifying circuit connection figure of NB master chip.
Figure 13 is the amplifying circuit connection figure of SIM circuit.
In attached drawing, power circuit 1, charging circuit 11, poly-lithium battery 12, on/off circuit 13, LDO circuit 14, indigo plant
Tooth circuit 2, Bluetooth chip 20, Flash circuit 21, crystal oscillator 22, reset circuit 23, attitude transducer circuit 24, state
Sensor circuit 25, key circuit 26, indicator light circuit 27, filter circuit 28, antenna circuit 29, NB circuit 3, NB master chip
31, SIM circuit 32.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
In present embodiment, as shown in Figure 1, base station of the kind based on NB and bluetooth, including power circuit 1,2 and of Bluetooth circuit
NB circuit 3；Bluetooth circuit 2 is connect with power circuit 1 and NB circuit 3 respectively, is connected with each other between power circuit 1 and NB circuit 3；
Bluetooth circuit 2 include Bluetooth chip 20, Flash circuit 21, crystal oscillator 22, reset circuit 23, attitude transducer circuit 24,
State sensor circuit 25, key circuit 26, indicator light circuit 27, filter circuit 28 and antenna circuit 29；Bluetooth chip 20 divides
Not with Flash circuit 21, crystal oscillator 22, reset circuit 23, attitude transducer circuit 24, state sensor circuit 25, press
Key circuit 26, indicator light circuit 27 and filter circuit 28 connect, and antenna circuit 29 connects Bluetooth chip 20 by filter circuit 28.
In the present embodiment, Bluetooth circuit 2 is equipped with power interface (not indicating in figure), and the Bluetooth circuit 2 is connect by power supply
Mouth is connect with power circuit 1；State sensor is temperature and humidity, power sensor.
In the present embodiment, power circuit 1 includes LDO circuit 14, on/off circuit 13, poly-lithium battery 12 and charging electricity
Road 11；14 connection switch electromechanics road 13 of LDO circuit, on/off circuit 13 connect poly-lithium battery 12, poly-lithium battery 12
Connect charging circuit 11.
In the present embodiment, power circuit 1 is connect by LDO circuit 14 with bluetooth power interface.
In the present embodiment, NB circuit 3 includes NB master chip 31 and SIM circuit 32；NB master chip 31 connects SIM circuit 32.
In the present embodiment, NB master chip 31 is connect with LDO circuit 14 and Bluetooth chip 20 respectively.
As shown in Fig. 2, Bluetooth chip includes the second chip U2, the 5th inductance L5, the 6th inductance L6, the tenth to the 14th electricity
Hold C10-C14, eleventh resistor R11, the second chip U2 use DA14580 chip.In the present embodiment, the 5th inductance L5
For GZ1005D121TF, the 6th inductance L6 is BRL1608T2R2M (2.2uH), the tenth capacitor C10 size be 1nF/50V/ ±
10%, the 11st capacitor C11 size is 100nF/16V/ ± 10%, and the 12nd capacitor C12 size is 12pF/16V/ ± 10%,
13rd capacitor C13 size be 100nF/16V/ ± 10%, the 14th capacitor C14 size be 1uF/16V/ ± 10%, the 11st
Resistance R11 size is ± 5% Ω of 10K/.
As shown in figure 3, Flash circuit includes third chip U3, the 23rd to the 25th resistance R23-R25 and the 7th
Capacitor C7, the third chip U3 are Flash chip.In the present embodiment, third chip U3 is Flash chip, the 7th capacitor C7
Size is 100nF/16V/ ± 10%, and the 23rd to the 25th resistance R23-25 size is ± 5% Ω of 1K/.
As shown in figure 4, crystal oscillator includes first and second without source crystal oscillator Y1, X1.In the present embodiment, the first passive crystalline substance
The Y1 that shakes is (passive using 7RC32768F12UC without source crystal oscillator X1 using SX20Y016000B91T (passive 16M), second
32768Hz)。
As shown in figure 5, reset circuit includes the second capacitor C2 and the 22nd resistance R22.In the present embodiment, the second capacitor
C2 size is 1nF/50V/ ± 10%, and the 22nd resistance R22 size is ± 5% Ω of 10K/.
As shown in fig. 6, key circuit includes the 35th resistance R35, the 32nd resistance R32, the 36th to third
18 resistance R36-R38, the 40th resistance R40, the second diode D2, the 6th field-effect tube Q6, the 7th field-effect tube Q7, the tenth
Eight capacitor C18 and touch-switch S2.In the present embodiment, the 35th resistance R35 size is ± 5% Ω of 10K/, the 32nd electricity
Resistance R32 size is ± 5% Ω of 100K/, and the 36th resistance R36 size is ± 5% Ω of 10K/, the 37th resistance R37 size
For ± 5% Ω of 10K/, the 38th resistance R38 size is 100/ ± 5% Ω, and the 40th resistance R40 size is 5.1K/ ± 5%
Ω, the second diode use RB521S-30, the 6th field-effect tube Q6 that AO3401A, the 7th field-effect tube Q7 is used to use
SE2102E, the 18th capacitor C18 size are 100nF/16V/ ± 10%, and touch-switch S2 uses K2-1187SQ-D4SW-06.
As shown in fig. 7, indicator light circuit includes the 23rd resistance R23, the 25th resistance R25, the first LED light LED1
With the second LED light LED2.In the present embodiment, the 23rd resistance R23 and the 25th resistance R25 size are 1K/ ± 5%
Ω, the first LED light LED1 use monochromatic white LED light, and the second LED light LED2 is using monochromatic red LED lamp.
As shown in figure 8, antenna circuit includes that pcb board carries Bluetooth antenna RF1.
As shown in figure 9, charging circuit includes the 6th chip U6, the 33rd resistance R33, the 34th resistance R34, third
LED light LED3 and the 21st capacitor C21, the 6th chip use XT4054 chip.In the present embodiment, the 33rd electricity
Resistance R33 size is 1K, and the 34th resistance R34 size is 4K, and third LED light LED3 is using monochromatic red LED lamp.
As shown in Figure 10, on/off circuit includes key S2, the 8th resistance R8, eleventh resistor R11, twelfth resistor
R12, the 17th resistance R17, the 18th resistance R18, the 21st resistance R21, the second diode D2, the 5th field-effect tube Q5,
6th field-effect tube Q6 and first capacitor C1.In the present embodiment, key S2 uses K2-1187SQ-D4SW-06 type touch key,
8th resistance R8 size is ± 5% Ω of 10K/, and eleventh resistor R11 size is ± 5% Ω of 100K/, twelfth resistor R12 size
For ± 5% Ω of 10K/, the 17th resistance R17 size is ± 5% Ω of 10K/, and the 18th resistance R18 size is ± 5% Ω of 5.1K/,
21st resistance R21 size is 100/ ± 5% Ω, and the second diode D2 uses RB5215-30, the 5th field-effect tube Q5 to use
AO3401A, the 6th field-effect tube Q6 use AO3400A, and first capacitor C1 size is 100nF/16V/ ± 10%.
As shown in figure 11, LDO (low dropout regulator, low pressure difference linear voltage regulator) circuit includes the 7th core
Piece U7, the 22nd capacitor C22, the 23rd capacitor C23 and the 41st resistance R41, the 7th chip use RS3219-
3.3YCS chip.In the present embodiment, the 41st resistance R41 size is 100K.
As shown in figure 12, NB master chip include the first chip U1, the second capacitor to the 5th capacitor C2-C5, second resistance extremely
Tenth resistance R2-R10, the 13rd to the 15th resistance R13-R15.In the present embodiment, the second capacitor C2 size is 100uF, the
Three capacitor C3 sizes are 21uF, and the 4th capacitor C4 size is 100pF, and the 5th capacitor C5 size is 22pF, second resistance R2, third
Resistance R3 and the 4th resistance R4 size are 22, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8 size
It is ± 5% Ω of 1K/, the 9th resistance R9 and the tenth resistance R10 size are ± 5% Ω of 10K/.
As shown in figure 13, SIM circuit includes SIM chip, the 6th to the 9th capacitor C6-C9, the first chip U1.The present embodiment
In, the 6th capacitor C6 and the 7th capacitor C7 size are 33pF, and the 8th capacitor C8 size is 0.1uF, and the 9th capacitor C9 size is
33pF。
A kind of base station based on NB and bluetooth communication, including face-piece and circuit board further include the base station based on NB and bluetooth
Circuitry, Bluetooth circuit, power circuit and NB circuit in the base station equipment circuit based on NB and bluetooth；Bluetooth circuit (day
Except line), NB circuit, power circuit, indicator light circuit be arranged inside face-piece；All circuits remove the antenna, lithium battery, electricity
Outside the sensor of source, remaining all circuit is integrated on circuit boards.
In actual use, base station of the utility model based on NB and bluetooth, when mounted, id information be configured as with
Mounted geographical location is associated.The bluetooth of the base station obtains the temperature and humidity value of this equipment, state (temperature and humidity, power supply) sensing
The information of device, and the broadcast message for nearby having the bluetooth equipment of networking permission is scanned, obtain its signal strength indication, MAC Address, report
Above- mentioned information are sent to service platform of receiving a crime report by NB network by the information such as alert state.After service platform of receiving a crime report receives alert data,
According to equipment id information transfer its geographic vicinity camera and user upload information come make receive a crime report grade judgement,
If merit can generally assign security personnel rush towards scene case is handled, if judge merit for great or emergency, general
Related data information goes to public security platform, sends police strength to handle event by public security.
A kind of specific implementation of the base station based on NB and bluetooth communication of the utility model, may relate to utility software, but
Used software is the most common software of those skilled in the art, also, not claimed by patent application claims
Range.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that；
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution should all cover in the claim of the utility model and the range of specification.
Claims (10)
1. a kind of base station based on NB and bluetooth communication, it is characterised in that: including power circuit, Bluetooth circuit and NB circuit；Institute
Bluetooth circuit is stated respectively with the power circuit and NB circuit connection, is connected with each other between the power circuit and NB circuit；Institute
Stating Bluetooth circuit includes Bluetooth chip, Flash circuit, crystal oscillator, reset circuit, attitude transducer circuit, state sensing
Device circuit, key circuit, indicator light circuit, filter circuit and antenna circuit；The Bluetooth chip is electric with the Flash respectively
Road, crystal oscillator, reset circuit, attitude transducer circuit, state sensor circuit, key circuit, indicator light circuit and filter
Wave circuit connection, the antenna circuit connect the Bluetooth chip by the filter circuit.
2. a kind of base station based on NB and bluetooth communication according to claim 1, it is characterised in that: the Bluetooth circuit is set
There is power interface, the Bluetooth circuit is connect by power interface with the power circuit；The state sensor be temperature and humidity,
Power sensor.
3. a kind of base station based on NB and bluetooth communication according to claim 2, it is characterised in that: the power circuit packet
Include LDO circuit, on/off circuit, poly-lithium battery and charging circuit；The LDO circuit connects the on/off circuit, institute
It states on/off circuit and connects the poly-lithium battery, the poly-lithium battery connects the charging circuit.
4. a kind of base station based on NB and bluetooth communication according to claim 3, it is characterised in that: the power circuit is logical
LDO circuit is crossed to connect with bluetooth power interface.
5. a kind of base station based on NB and bluetooth communication according to claim 4, it is characterised in that: the NB circuit includes
NB master chip and SIM circuit；The NB master chip connects the SIM circuit.
6. a kind of base station based on NB and bluetooth communication according to claim 5, it is characterised in that: the NB master chip point
It is not connect with the LDO circuit and Bluetooth chip.
7. a kind of base station based on NB and bluetooth communication according to claim 2, it is characterised in that:
The Bluetooth chip include the second chip U2, the 5th inductance L5, the 6th inductance L6, the tenth to the 14th capacitor C10-C14,
Eleventh resistor R11, the second chip U2 use DA14580 chip；
The Flash circuit includes third chip U3, the 23rd to the 25th resistance R23-R25 and the 7th capacitor C7, institute
Stating third chip U3 is Flash chip；
The crystal oscillator includes first and second without source crystal oscillator Y1, X1；
The reset circuit includes the second capacitor C2 and the 22nd resistance R22；
The key circuit includes the 35th resistance R35, the 32nd resistance R32, the 36th to the 38th resistance
R36-R38, the 40th resistance R40, the second diode D2, the 6th field-effect tube Q6, the 7th field-effect tube Q7, the 18th capacitor
C18 and touch-switch S2；
The indicator light circuit includes the 23rd resistance R23, the 25th resistance R25, the first LED light LED1 and the 2nd LED
Lamp LED2；
The antenna circuit includes that pcb board carries Bluetooth antenna RF1.
8. a kind of base station based on NB and bluetooth communication according to claim 3, it is characterised in that:
The charging circuit includes the 6th chip U6, the 33rd resistance R33, the 34th resistance R34, third LED light LED3
With the 21st capacitor C21, the 6th chip uses XT4054 chip；
The on/off circuit includes key S2, the 8th resistance R8, eleventh resistor R11, twelfth resistor R12, the 17th electricity
Hinder R17, the 18th resistance R18, the 21st resistance R21, the second diode D2, the 5th field-effect tube Q5, the 6th field-effect tube
Q6 and first capacitor C1；
The LDO circuit includes the 7th chip U7, the 22nd capacitor C22, the 23rd capacitor C23 and the 41st resistance
R41, the 7th chip use RS3219-3.3YCS chip.
9. a kind of base station based on NB and bluetooth communication according to claim 5, it is characterised in that:
The NB master chip includes the first chip U1, the second capacitor to the 5th capacitor C2-C5, second resistance to the tenth resistance R2-
R10, the 13rd to the 15th resistance R13-R15；
The SIM circuit includes SIM chip, the 6th to the 9th capacitor C6-C9, the first chip U1.
10. a kind of base station based on NB and bluetooth communication according to claim 7, it is characterised in that: the first LED
Lamp, the second LED light and third LED light are monochromatic LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920364097.2U CN209375643U (en) | 2019-03-21 | 2019-03-21 | A kind of base station based on NB and bluetooth communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920364097.2U CN209375643U (en) | 2019-03-21 | 2019-03-21 | A kind of base station based on NB and bluetooth communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375643U true CN209375643U (en) | 2019-09-10 |
Family
ID=67824153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920364097.2U Active CN209375643U (en) | 2019-03-21 | 2019-03-21 | A kind of base station based on NB and bluetooth communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098988A (en) * | 2019-12-23 | 2021-07-09 | 中国电信股份有限公司 | Data transmission method and data transmission system |
-
2019
- 2019-03-21 CN CN201920364097.2U patent/CN209375643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098988A (en) * | 2019-12-23 | 2021-07-09 | 中国电信股份有限公司 | Data transmission method and data transmission system |
| CN113098988B (en) * | 2019-12-23 | 2022-06-24 | 中国电信股份有限公司 | Data transmission method and data transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108398908A (en) | A kind of industrial environment monitoring system based on cloud computing | |
| CN103892503A (en) | Intelligent helmet device | |
| CN202956857U (en) | Human body health information acquiring, positioning, and danger warning device | |
| CN105575052A (en) | Security early warning system and method | |
| CN209375643U (en) | A kind of base station based on NB and bluetooth communication | |
| CN206161869U (en) | Intelligence old man positioning system | |
| CN201902236U (en) | Comprehensive life monitoring system | |
| CN202334592U (en) | Family environment monitoring system based on distributed self-organizing network | |
| CN204129658U (en) | Wearable electronic equipment and communication system | |
| Zhang et al. | Research of wireless sensor networks based on ZigBee for miner position | |
| CN103546565A (en) | Remote intelligent monitoring system for chip mounters | |
| CN207908691U (en) | A kind of Prison staff positioning system | |
| CN205748457U (en) | Air pressure based on Bluetooth of mobile phone and humiture collection device | |
| CN209072581U (en) | A kind of pulling plug formula bluetooth warning circuit and alarm | |
| CN210295330U (en) | Portable electric bell with positioning function | |
| CN201464869U (en) | Early warning information monitoring and publishing device | |
| CN108111989A (en) | Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring | |
| CN210955381U (en) | Wireless electric bell | |
| CN203407019U (en) | Mining WIFI wireless communication personnel location management system | |
| CN201608911U (en) | Communication terminal | |
| CN208836174U (en) | Data processing terminal, traffic sign device and traffic sign management system | |
| CN208063473U (en) | Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring | |
| CN203233549U (en) | Wireless CPE supporting Wifi video camera access | |
| CN206695754U (en) | Mining displacement monitoring warning system | |
| CN217767593U (en) | Electric field monitoring type extreme weather early warning alarm device based on graphene aerogel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200414 Address after: No. 19, East Road of data Valley, Xiantao street, Yubei District, Chongqing Patentee after: CHONGQING YUNDUN INTERNET OF THINGS TECHNOLOGY Co.,Ltd. Address before: 401336, Chongqing, South District Road 8 Jade Science and technology center, finance building, 2 floor, No. 11 (after the development of open area) Patentee before: XUNZHIMEI IOT SERVICES Co.,Ltd. |
|
| TR01 | Transfer of patent right |