CN209088941U - A kind of intelligence padlock NB-iot data transmission circuit plate - Google Patents
A kind of intelligence padlock NB-iot data transmission circuit plate Download PDFInfo
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- CN209088941U CN209088941U CN201822093598.XU CN201822093598U CN209088941U CN 209088941 U CN209088941 U CN 209088941U CN 201822093598 U CN201822093598 U CN 201822093598U CN 209088941 U CN209088941 U CN 209088941U
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- data transmission
- resistance
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Abstract
The utility model discloses a kind of intelligent padlock NB-iot data transmission circuit plates, including circuit board, the circuit board center is equipped with the Lleida NB86-G mould group for carrying out data transmission, antenna circuit is connected on the right side of the data transmission mould group, it is connected with SIM card module on front side of the data transmission mould group, is connected with filter circuit on the left of the data transmission mould group.The utility model overcome traditional padlock existing in the prior art wreck unnormal unlocking when the problem of can not finding in time.The utility model with high security, response speed block and low power consumption and other advantages.
Description
Technical field
The utility model relates to a kind of field of circuit boards, more specifically to a kind of intelligent padlock NB-iot data
Transmission circuit plate.
Background technique
Narrowband Internet of Things (Narrow Band Internet of Things, NB-IoT) becomes all things on earth internet
One important branch.NB-IoT is implemented in cellular network, only consume about 180KHz bandwidth, can be deployed directly into GSM network,
UMTS network or LTE network, to reduce lower deployment cost, realize smooth upgrade.
NB-IoT is the emerging technology in one, the field IoT, and low power consuming devices is supported to connect in the cellular data of wide area network,
It is regarded as low-power consumption wide area network (LPWAN).NB-IoT supports that stand-by time is long, connecting to the efficient of network connectivity requirements higher device
It connects.It is said that the NB-IoT device battery service life can be improved at least 10 years, while can also provide very comprehensive indoor cellular data
Connection covering.
Electric power switching station is typically all to use the padlock of mechanical key at present, padlock wreck unnormal unlocking when can not and
Shi Faxian, it is difficult to meet the requirement of safety.
Utility model content
The utility model in order to overcome traditional padlock existing in the prior art wreck unnormal unlocking when can not
In time the problem of discovery, now provide can real-time monitoring padlock open and-shut mode a kind of intelligent padlock NB-iot data transmission circuit
Plate.
A kind of intelligent padlock NB-iot data transmission circuit plate of the utility model, including circuit board, the circuit
Plate center is equipped with the Lleida NB86-G mould group for carrying out data transmission, and is connected with antenna on the right side of the data transmission mould group
Circuit, the data transmission mould group front side are connected with SIM card module, are connected with filtered electrical on the left of the data transmission mould group
Road.
A kind of intelligent padlock of the utility model realizes intelligent padlock state change number with NB-iot data transmission circuit plate
According to real-time upload, so as to monitor the state of intelligent padlock, once padlock state changes such as unnormal unlocking, monitoring
Center can obtain the state change information in time, and make disposition and determine, substantially increase safety, be very suitable to promote
It uses.
Preferably, the Lleida NB86-G modular circuit includes the NB86-G chip as main body, it is described
The pin that number is 1,2,13,15,16,17,18,19,20,22,38,41,44 on NB86-G chip is grounded respectively, described
21 pins on NB86-G chip are connected with the output end of antenna circuit, the 24 pins connection three on the NB86-G chip
The collector of pole pipe Q400, the triode Q400 emitter ground connection, the base stage of the triode Q400 connect resistance
One end of R410, the other end ground connection of the resistance R410, the base stage of the triode Q400 and the node of resistance R410
It is connected with one end of resistance R409,25 pins on the NB86-G chip are data receiver, the NB86-G core
26 pins of on piece are data sending terminal, the pin that number is 30,31,32,33 on the NB86-G chip respectively with SIM card
Module is connected, and 42 and 43 pins are connected with filter circuit respectively on the NB86-G chip.
Preferably, the antenna circuit includes antenna socket, the 2 and 3 pins ground connection of the antenna socket is described
1 pin of antenna socket be connected respectively with one end of one end of capacitor C405 and inductance L400, the capacitor C405's
Other end ground connection, the other end of the inductance L400 are connected with 21 pins of one end of capacitor C406 and NB86-G chip respectively
It connects, the other end ground connection of the capacitor C406.
Inductance L400, the capacitor C405 and capacitor C406 form LC type π shape filter circuit, which not only filters effect
Fruit is good, and energy consumption is lower, and economic benefit is big.
Preferably, the SIM card module includes the 4G-MFF2 chip as main body, the 4G-MFF2 chip
2 and 3 pins of 1 pin ground connection, the 4G-MFF2 chip are connected and connect one end and the capacitor C324 of resistance R233 on node
One end, the described capacitor C324 other end ground connection, the other end of the resistance R23 respectively with one end of resistance R323 and
30 pins of NB86-G chip are connected, and the other end of the resistance R323 is connected with 33 pins of NB86-G chip, institute
6 pins of the 4G-MFF2 chip stated are connected with one end of one end of capacitor C323 and resistance R320 respectively, the resistance
The other end of R320 is connected with 31 pins of NB86-G chip, 7 pins of the 4G-MFF2 chip respectively with capacitor C322
One end be connected with one end of resistance R321, the other end of the resistance R321 is connected with 32 pins of NB86-G chip
It connects, 8 pins of the 4G-MFF2 chip are connected with one end of capacitor C321, the other end, the capacitor of the capacitor C323
The other end of C322 and the other end of capacitor C321 are all grounded.
Preferably, the filtered electrical routing capacitance C400, capacitor C402, capacitor C403 and capacitor C404 parallel connection group
At, one end of the capacitor C400 be connected respectively with 42 pins of NB86-G chip and 43 pins, the capacitor
The other end of C400 is grounded.
The utility model has the following beneficial effects: highly-safe, response speed block, low energy consumption.
Detailed description of the invention
Attached drawing 1 is the circuit diagram of the Lleida NB86-G mould group of the utility model.
Attached drawing 2 is the circuit diagram of the SIM card module of the utility model.
Attached drawing 3 is the circuit diagram of the antenna circuit of the utility model.
Attached drawing 4 is the circuit diagram of the filter circuit of the utility model.
Specific embodiment
Face is by embodiment, and in conjunction with attached drawing, and the technical solutions of the present invention will be further described.
Embodiment: the utility model is further described in 1, attached drawing 2, attached drawing 3 and attached drawing 4 with reference to the accompanying drawings, this example
A kind of intelligence padlock NB-iot data transmission circuit plate, including circuit board, the circuit board center are equipped with for being counted
According to the Lleida NB86-G mould group of transmission, the Lleida NB86-G mould group includes the NB86-G chip as main body, described
NB86-G chip on number be 1,2,13,15,16,17,18,19,20,22,38,41,44 pin be grounded respectively, it is described
21 pins on NB86-G chip are connected with the output end of antenna circuit, the 24 pins connection three on the NB86-G chip
The collector of pole pipe Q400, the triode Q400 emitter ground connection, the base stage of the triode Q400 connect resistance
One end of R410, the other end ground connection of the resistance R410, the base stage of the triode Q400 and the node of resistance R410
It is connected with one end of resistance R409,25 pins on the NB86-G chip are data receiver, the NB86-G core
26 pins of on piece are data sending terminal, the pin that number is 30,31,32,33 on the NB86-G chip respectively with SIM card
Module is connected, and 42 and 43 pins are connected with filter circuit respectively on the NB86-G chip.
It is connected with antenna circuit on the right side of the data transmission mould group, the antenna circuit includes antenna socket, described
Antenna socket 2 and 3 pins ground connection, 1 pin of the antenna socket respectively with one end of capacitor C405 and inductance L400
One end be connected, the other end of capacitor C405 ground connection, the other end of the inductance L400 respectively with capacitor C406
One end be connected with 21 pins of NB86-G chip, the other end of capacitor C406 ground connection.
It is connected with SIM card module on front side of the data transmission mould group, the SIM card module includes as main body
4G-MFF2 chip, the 1 pin ground connection of the 4G-MFF2 chip, the 2 of the 4G-MFF2 chip are connected and save with 3 pins
One end of resistance R233 and one end of capacitor C324, the capacitor C324 other end ground connection, the resistance R23 are connected on point
The other end be connected respectively with 30 pins of one end of resistance R323 and NB86-G chip, the other end of the resistance R323
Be connected with 33 pins of NB86-G chip, 6 pins of the 4G-MFF2 chip respectively with one end of capacitor C323 and resistance
One end of R320 is connected, and the other end of the resistance R320 is connected with 31 pins of NB86-G chip, the 4G-
7 pins of MFF2 chip are connected with one end of one end of capacitor C322 and resistance R321 respectively, and the resistance R321's is another
One end is connected with 32 pins of NB86-G chip, and 8 pins of the 4G-MFF2 chip are connected with one end of capacitor C321
It connects, the other end of the other end of the capacitor C323, the other end of capacitor C322 and capacitor C321 is all grounded.
Filter circuit, the filtered electrical routing capacitance C400, capacitor are connected on the left of the data transmission mould group
C402, capacitor C403 and capacitor C404 are composed in parallel, one end of the capacitor C400 with draw respectively with the 42 of NB86-G chip
Foot and 43 pins are connected, another termination of the capacitor C400.
The foregoing is merely the structure features of specific embodiment of the utility model, but the utility model to be not limited to
This, in the field of the utility model, made changes or modifications all cover practical new at this any those skilled in the art
Among the scope of the patents of type.
Claims (5)
1. a kind of intelligence padlock NB-iot data transmission circuit plate, including circuit board, characterized in that the circuit board center
Equipped with the Lleida NB86-G mould group for carrying out data transmission, it is connected with antenna circuit on the right side of the data transmission mould group,
It is connected with SIM card module on front side of the data transmission mould group, is connected with filter circuit on the left of the data transmission mould group.
2. a kind of intelligent padlock NB-iot data transmission circuit plate according to claim 1, characterized in that the benefit
You up to NB86-G mould group include NB86-G chip as main body, on the NB86-G chip number be 1,2,13,15,16,
17,18,19,20,22,38,41,44 pin is grounded respectively, 21 pins and antenna circuit on the NB86-G chip
Output end is connected, the collector of 24 pin connecting triode Q400 on the NB86-G chip, the triode
Q400 emitter ground connection, one end of the base stage connection resistance R410 of the triode Q400, the resistance R410's is another
End ground connection, the base stage of the triode Q400 is connected with the node of resistance R410 with one end of resistance R409, described
25 pins on NB86-G chip are data receiver, and 26 pins on the NB86-G chip are data sending terminal, described
NB86-G chip on number be 30,31,32,33 pin be connected respectively with SIM card module, on the NB86-G chip
42 and 43 pins are connected with filter circuit respectively.
3. a kind of intelligent padlock NB-iot data transmission circuit plate according to claim 2, characterized in that the day
Line circuit includes antenna socket, 2 and 3 pins of antenna socket ground connection, 1 pin of the antenna socket respectively with electricity
The one end for holding C405 is connected with one end of inductance L400, the other end ground connection of the capacitor C405, the inductance L400
The other end be connected respectively with 21 pins of one end of capacitor C406 and NB86-G chip, the other end of the capacitor C406
Ground connection.
4. a kind of intelligent padlock NB-iot data transmission circuit plate according to claim 2, characterized in that described
SIM card module includes the 4G-MFF2 chip as main body, the 1 pin ground connection of the 4G-MFF2 chip, the 4G-MFF2
2 and 3 pins of chip are connected and connect one end of resistance R233 and one end of capacitor C324 on node, and the capacitor C324 is another
One end ground connection, the other end of the resistance R23 are connected with 30 pins of one end of resistance R323 and NB86-G chip respectively,
The other end of the resistance R323 is connected with 33 pins of NB86-G chip, the 6 pins difference of the 4G-MFF2 chip
It is connected with one end of one end of capacitor C323 and resistance R320, the other end of the resistance R320 and the 31 of NB86-G chip
Pin is connected, and 7 pins of the 4G-MFF2 chip are connected with one end of one end of capacitor C322 and resistance R321 respectively
It connects, the other end of the resistance R321 is connected with 32 pins of NB86-G chip, 8 pins of the 4G-MFF2 chip
Be connected with one end of capacitor C321, the other end of the capacitor C323, the other end of capacitor C322 and capacitor C321 it is another
One end is all grounded.
5. a kind of intelligent padlock NB-iot data transmission circuit plate according to claim 2, characterized in that the filter
Wave circuit is composed in parallel by capacitor C400, capacitor C402, capacitor C403 and capacitor C404, one end of the capacitor C400 with point
It is not connected with 42 pins of NB86-G chip and 43 pins, the other end ground connection of the capacitor C400.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093598.XU CN209088941U (en) | 2018-12-13 | 2018-12-13 | A kind of intelligence padlock NB-iot data transmission circuit plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093598.XU CN209088941U (en) | 2018-12-13 | 2018-12-13 | A kind of intelligence padlock NB-iot data transmission circuit plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088941U true CN209088941U (en) | 2019-07-09 |
Family
ID=67126856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822093598.XU Expired - Fee Related CN209088941U (en) | 2018-12-13 | 2018-12-13 | A kind of intelligence padlock NB-iot data transmission circuit plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227841A (en) * | 2020-09-02 | 2021-01-15 | 国网浙江永嘉县供电有限公司 | Control device for multi-cabinet-room key cabinet |
-
2018
- 2018-12-13 CN CN201822093598.XU patent/CN209088941U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227841A (en) * | 2020-09-02 | 2021-01-15 | 国网浙江永嘉县供电有限公司 | Control device for multi-cabinet-room key cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20201213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |