CN209787172U - Multi-band NB-IOT wireless communication module with ultrahigh sensitivity - Google Patents
Multi-band NB-IOT wireless communication module with ultrahigh sensitivity Download PDFInfo
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- CN209787172U CN209787172U CN201920628827.5U CN201920628827U CN209787172U CN 209787172 U CN209787172 U CN 209787172U CN 201920628827 U CN201920628827 U CN 201920628827U CN 209787172 U CN209787172 U CN 209787172U
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Abstract
The utility model discloses a multifrequency section NB-IOT wireless communication module of ultra high sensitivity relates to wireless communication technical field, and the information transmission efficiency on the information processing of multifrequency section has some declivities for solving the radio communication among the prior art to influence work efficiency's problem. The sensor comprises an NB-IOT communication box and is characterized in that side fixing plates are arranged on two sides of the NB-IOT communication box, screw holes are formed in the outer surface of each side fixing plate and are multiple, an RS232 port is formed in one end of the NB-IOT communication box, an RS485 port is formed in one side of the RS232 port, an antenna interface is formed in the other end of the NB-IOT communication box, an SIM (subscriber identity module) clamping groove is formed in one side of the antenna interface, a USB (universal serial bus) interface is formed in the other side of the SIM clamping groove, a module main board is arranged at one end of the USB interface, a sensor expansion interface is arranged above the module main board and is three, and an STM (scanning tunneling microscope.
Description
Technical Field
The utility model relates to a wireless communication technology field specifically is a multifrequency section NB-IOT wireless communication module of ultra high sensitivity.
Background
The narrowband internet of things becomes an important branch of the internet of everything. The NB-IoT is constructed in a cellular network, only consumes about 180KHz of bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade; NB-IoT is an emerging technology in the IoT domain that supports cellular data connectivity for low power devices over wide area networks, also known as low power wide area networks. NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity. NB-IoT device battery life is said to be improved by at least 10 years while still providing very comprehensive indoor cellular data connection coverage.
However, the information transmission efficiency of the existing wireless communication in the multi-band information processing is reduced, thereby affecting the working efficiency; therefore, the existing requirements are not met, and a multiband NB-IOT wireless communication module with ultrahigh sensitivity is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a multifrequency section NB-IOT wireless communication module of ultra high sensitivity to solve the information transmission efficiency of the wireless communication who proposes in the above-mentioned background art on the information processing of multifrequency section and have and descend to influence work efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a multiband NB-IOT wireless communication module with ultrahigh sensitivity comprises an NB-IOT communication box, wherein side fixing plates are arranged on two sides of the NB-IOT communication box, screw holes are formed in the outer surfaces of the side fixing plates and are provided with a plurality of screw holes, an RS232 port is arranged at one end of the NB-IOT communication box, an RS485 port is arranged at one side of the RS232 port, an antenna interface is arranged at the other end of the NB-IOT communication box, an SIM card slot is arranged on one side of the antenna interface, a USB interface is arranged on the other side of the SIM card slot, a module main board is arranged at one end of the USB interface, sensor expansion interfaces are arranged above the module main board and are three, an STM multi-frequency information port is arranged on one side of the sensor expansion interface and is provided with a plurality of STM multi-frequency information ports, and an expansion board interface is arranged above the STM multi-frequency information port, the USB expansion board comprises an expansion board interface and is characterized in that a high-frequency crystal oscillator is arranged above the expansion board interface, a low-frequency crystal oscillator is arranged above the high-frequency crystal oscillator, an NB-IOT chip is arranged on one side of the low-frequency crystal oscillator, a voltage stabilizer is arranged on the other side of the NB-IOT chip, two voltage selection jumpers are arranged above the voltage stabilizer, and a USB serial-to-serial port chip is arranged below the voltage stabilizer.
Preferably, the NB-IOT communication box is connected with the side fixing plate in a welding mode, and the NB-IOT communication box is connected with the module main board through screws.
preferably, the model of the voltage stabilizer is AMS1117, the model of the NB-IOT chip is ZSN210, and the model of the USB-to-serial port chip is CP 2102.
Preferably, the low-frequency crystal oscillator is connected with the module main board in a welding mode, and the high-frequency crystal oscillator is connected with the module main board in a welding mode.
Preferably, the low-frequency crystal oscillator is connected with the module main board in a welding mode, and the high-frequency crystal oscillator is connected with the module main board in a welding mode.
Preferably, the sensor expansion interface is connected with the module mainboard in a welding mode, and the voltage selection jumper is connected with the module mainboard in a welding mode.
Compared with the prior art, the beneficial effects of the utility model are that:
The utility model discloses a network carries out wireless data transmission's embedded terminal, the user can be convenient integrated go to own mainboard equipment on, through the complete transparent serial ports, just can carry out wireless data receiving and dispatching, let you the equipment that uses can access the network anytime and anywhere, and support multiple format, the user can select wantonly, and can receive the signal information of a plurality of frequency channels simultaneously through STM multifrequency information port, carry out the frequency division to it and handle, so also can the wide application in water, electricity, gas is long-range checks meter, fields such as electric power control, and lead to two height crystal oscillator bodies, can effectual frequency size of adjusting different frequency channels, compensate the operation to it, thereby make the frequency of different frequency channels keep the conveying efficiency at the same numerical value guarantee signal.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall rear view of the present invention;
fig. 3 is a schematic diagram of the module main board structure of the present invention.
In the figure: 1. an NB-IOT communication box; 2. a side fixing plate; 3. a screw hole; 4. an RS232 port; 5. An RS485 port; 6. an antenna interface; 7. a SIM card slot; 8. a USB interface; 9. a sensor expansion interface; 10. an STM multi-frequency information port; 11. an expansion board interface; 12. a low-frequency crystal oscillator; 13. a high-frequency crystal oscillator; 14. an NB-IOT chip; 15. a voltage selection jumper; 16. a voltage regulator; 17. USB to serial port chip; 18. and a module mainboard.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a multiband NB-IOT wireless communication module with ultrahigh sensitivity comprises an NB-IOT communication box 1, wherein side fixing plates 2 are arranged on two sides of the NB-IOT communication box 1 for convenient installation, screw holes 3 are formed in the outer surfaces of the side fixing plates 2, a plurality of screw holes 3 are formed, an RS232 port 4 is formed in one end of the NB-IOT communication box 1, an RS485 port 5 is formed in one side of the RS232 port 4, an antenna interface 6 is formed in the other end of the NB-IOT communication box 1, an SIM card slot 7 is formed in one side of the antenna interface 6 and can be inserted with an SIM card for use, a USB interface 8 is formed in the other side of the SIM card slot 7, a module main board 18 is arranged at one end of the USB interface 8, a sensor expansion interface 9 is arranged above the module main board 18, the number of the sensor expansion interfaces 9 is three, an STM information multi-frequency port 10 is arranged, can receive the signal of a plurality of frequency channels simultaneously, and STM multifrequency information port 10 has a plurality ofly, the top of STM multifrequency information port 10 is provided with extension board interface 11, the top of extension board interface 11 is provided with high frequency crystal oscillator 13, the top of high frequency crystal oscillator 13 is provided with low frequency crystal oscillator 12, the regulation frequency, one side of low frequency crystal oscillator 12 is provided with NB-IOT chip 14, NB-IOT chip 14's opposite side is provided with stabiliser 16, stabiliser 16's top is provided with voltage selection jumper wire 15, and voltage selection jumper wire 15 has two, stabiliser 16's below is provided with USB commentaries on classics serial ports chip 17.
Further, NB-IOT communication box 1 and side fixed plate 2 welded connection, NB-IOT communication box 1 passes through bolted connection with module mainboard 18, is convenient for install and use.
Furthermore, the model of the voltage stabilizer 16 is AMS1117, the model of the NB-IOT chip 14 is ZSN210, the model of the USB-to-serial port chip 17 is CP2102, and the processing efficiency is high.
Further, expansion board interface 11 and module mainboard 18 welded connection, STM multifrequency information port 10 and module mainboard 18 welded connection.
Further, the low-frequency crystal oscillator 12 is connected with the module main board 18 in a welding mode, and the high-frequency crystal oscillator 13 is connected with the module main board 18 in a welding mode.
Further, the sensor expansion interface 9 is connected with the module main board 18 in a welding mode, the voltage selection jumper 15 is connected with the module main board 18 in a welding mode, voltage is adjusted, and working stability is improved.
The working principle is as follows: when in use, the NB-IOT communication box 1 is placed or installed at a use position, the data connection wires are respectively connected with the RS232 port 4 and the RS485 port 5, then the antenna is screwed into the antenna interface 6, the power supply is switched on for starting up, when the NB-IOT communication box 1 is used for water and electricity meter reading work, the NB-IOT communication box 1 is in a working state after being connected with a network when the meter reading date comes, can send and receive data, and process the data of a plurality of signals through the STM multi-frequency information port 10, meanwhile, the frequency of the signal is adjusted and compensated through the high-frequency crystal oscillator 13 and the low-frequency crystal oscillator 12, the transmission of the signal is ensured, and after the data transmission is finished, the NB-IOT communication box 1 enters an idle state after a set period of time, and finally the NB-IOT communication box 1 closes the signal receiving and transmitting without monitoring the paging of the wireless side until the next use time comes.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An ultra-high sensitivity multi-band NB-IOT wireless communication module comprising an NB-IOT communication box (1), characterized in that: side fixing plates (2) are arranged on two sides of the NB-IOT communication box (1), screw holes (3) are formed in the outer surface of each side fixing plate (2), a plurality of screw holes (3) are formed in each side fixing plate, an RS232 port (4) is arranged at one end of the NB-IOT communication box (1), an RS485 port (5) is arranged at one side of each RS232 port (4), an antenna interface (6) is arranged at the other end of the NB-IOT communication box (1), an SIM card slot (7) is arranged at one side of each antenna interface (6), a USB interface (8) is arranged at the other side of each SIM card slot (7), a module main board (18) is arranged at one end of each USB interface (8), a sensor expansion interface (9) is arranged above each module main board (18), three sensor expansion interfaces (9) are arranged, an STM multi-frequency information port (10) is arranged at one side of each sensor expansion interface (9), and STM multifrequency information port (10) have a plurality ofly, the top of STM multifrequency information port (10) is provided with extension board interface (11), the top of extension board interface (11) is provided with high frequency crystal oscillator (13), the top of high frequency crystal oscillator (13) is provided with low frequency crystal oscillator (12), one side of low frequency crystal oscillator (12) is provided with NB-IOT chip (14), the opposite side of NB-IOT chip (14) is provided with stabiliser (16), the top of stabiliser (16) is provided with voltage selection wire jumper (15), and voltage selection wire jumper (15) have two, the below of stabiliser (16) is provided with USB and changes serial ports chip (17).
2. The ultra-high sensitivity multiband NB-IOT wireless communication module of claim 1, wherein: the NB-IOT communication box (1) is connected with the side fixing plate (2) in a welding mode, and the NB-IOT communication box (1) is connected with the module main board (18) through screws.
3. The ultra-high sensitivity multiband NB-IOT wireless communication module of claim 1, wherein: the model of the voltage stabilizer (16) is AMS1117, the model of the NB-IOT chip (14) is ZSN210, and the model of the USB-to-serial port chip (17) is CP 2102.
4. The ultra-high sensitivity multiband NB-IOT wireless communication module of claim 1, wherein: expansion board interface (11) and module mainboard (18) welded connection, STM multifrequency information port (10) and module mainboard (18) welded connection.
5. The ultra-high sensitivity multiband NB-IOT wireless communication module of claim 1, wherein: the low-frequency crystal oscillator (12) is connected with the module main board (18) in a welding mode, and the high-frequency crystal oscillator (13) is connected with the module main board (18) in a welding mode.
6. The ultra-high sensitivity multiband NB-IOT wireless communication module of claim 1, wherein: the sensor expansion interface (9) is connected with the module main board (18) in a welding mode, and the voltage selection jumper wire (15) is connected with the module main board (18) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628827.5U CN209787172U (en) | 2019-05-05 | 2019-05-05 | Multi-band NB-IOT wireless communication module with ultrahigh sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628827.5U CN209787172U (en) | 2019-05-05 | 2019-05-05 | Multi-band NB-IOT wireless communication module with ultrahigh sensitivity |
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| Publication Number | Publication Date |
|---|---|
| CN209787172U true CN209787172U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920628827.5U Active CN209787172U (en) | 2019-05-05 | 2019-05-05 | Multi-band NB-IOT wireless communication module with ultrahigh sensitivity |
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| Country | Link |
|---|---|
| CN (1) | CN209787172U (en) |
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- 2019-05-05 CN CN201920628827.5U patent/CN209787172U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An ultra high sensitivity multi band nb-iot wireless communication module Effective date of registration: 20201126 Granted publication date: 20191213 Pledgee: Shenzhen small and medium sized small loan Co., Ltd Pledgor: Shenzhen Qino Technology Co.,Ltd. Registration number: Y2020980008518 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220217 Granted publication date: 20191213 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: Shenzhen Qino Technology Co.,Ltd. Registration number: Y2020980008518 |