CN220528236U - Multi-protocol wireless communication module and multi-protocol wireless communication equipment - Google Patents
Multi-protocol wireless communication module and multi-protocol wireless communication equipment Download PDFInfo
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- CN220528236U CN220528236U CN202321914267.2U CN202321914267U CN220528236U CN 220528236 U CN220528236 U CN 220528236U CN 202321914267 U CN202321914267 U CN 202321914267U CN 220528236 U CN220528236 U CN 220528236U
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- 239000013078 crystal Substances 0.000 description 3
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Abstract
The embodiment of the utility model discloses a multi-protocol wireless communication module and multi-protocol wireless communication equipment, which at least comprise a main control module and a transceiver module, wherein the main control module is connected with the transceiver module; the receiving and transmitting module is respectively connected with the global navigation satellite positioning module and the WiFi module; the receiving and transmitting module is also connected with the low-power consumption wide area network antenna through the conversion module; the main control module is respectively connected with the short-distance wireless communication module and the universal serial bus module, and combines the multi-protocol wireless module and the low-power consumption LoRa transceiver to form a multi-protocol wireless communication module, wherein the multi-protocol wireless module is used as a main controller to realize functions of Bluetooth, NFC, GPIO and the like, is a carrier of a LoRa application layer program, and controls the transceiver chip to realize functions of receiving and transmitting of LoRa protocols, GNSS positioning, wiFi signal scanning and the like.
Description
Technical Field
The present utility model relates to the field of wireless transmission technologies, and in particular, to a multi-protocol wireless communication module and a multi-protocol wireless communication device.
Background
With the progress of wireless technologies such as bluetooth, wiFi and LoRa, the internet of things has also been greatly developed.
Most of the Internet of things equipment is connected to the Internet, and the Internet of things is required to serve as a bridge. The gateway based on Bluetooth or WiFi and other wireless technologies can conveniently interact with the Internet of things equipment or the gateway through the Bluetooth or WiFi of the user mobile phone, so that the configuration of the first access of the Internet of things equipment is realized.
The LoRa is used as a long-distance communication technology, is more suitable for outdoor long-distance communication of Internet of things equipment compared with Bluetooth or WiFi, and the gateway is mostly far away from the Internet of things equipment, and a user mobile phone generally does not have a LoRa communication protocol, so that configuration of first access of the Internet of things equipment is realized, and how to directly access the Internet of things equipment by the LoRa technology by means of Bluetooth or WiFi and other technologies is a problem which needs to be solved at present.
Disclosure of Invention
Aiming at the technical problems, the embodiment of the utility model provides a multi-protocol wireless communication module and multi-protocol wireless communication equipment.
An embodiment of the present utility model provides a multi-protocol wireless communication module, where the multi-protocol wireless communication module at least includes a main control module and a transceiver module, where the main control module is connected to the transceiver module;
the receiving and transmitting module is respectively connected with the global navigation satellite positioning module and the WiFi module; the receiving and transmitting module is also connected with a low-power consumption wide area network antenna through a conversion module;
the main control module is respectively connected with the short-distance wireless communication module and the universal serial bus module.
Optionally, a thirty-first pin of the transceiver module is connected with a ninth pin of the radio frequency switch through a capacitor C14 and a capacitor C17;
an eleventh pin of the radio frequency switch is connected with the LORA antenna through an inductor L19;
the first pin of the radio frequency switch is connected with the thirty-second pin of the transceiver module through a capacitor C5, an inductor L2 and an inductor L1, and the inductor L1 is also connected with the thirty-first pin of the transceiver module through an inductor L5 and an inductor L6;
the third pin of the radio frequency switch is connected with the thirty-first pin of the transceiver module through a capacitor C6, an inductor L4 and an inductor L3.
Optionally, the radio frequency switch is a SKY13373 chip.
Optionally, the twenty eighth pin of the transceiver module is connected to an antenna of the global navigation satellite positioning module through a capacitor C18, a capacitor C19 and an inductor L11.
Optionally, a twenty-sixth pin of the transceiver module is connected to the WI F I antenna through an inductor L13, an inductor L12 and a capacitor C27.
Optionally, the H23 pin of the main control module is connected to the first end of the inductor L17, the second end of the inductor L17 is connected to the first end of the capacitor C57 and the first end of the inductor L18, the second end of the capacitor C57 and the second end of the inductor L18 are connected to the first end of the capacitor C58, and the second end of the capacitor C58 is connected to the bluetooth antenna.
Optionally, the main control module is an nRF52840 chip.
Optionally, the transceiver module is an LR1110 chip.
Optionally, the multi-protocol wireless communication module is a module with a thickness of 20mm x 20mm, and the thickness of the module is 2.3mm, wherein the nRF52840 chip is connected with the LR1110 chip through an SPI bus.
A second aspect of an embodiment of the present utility model provides a multi-protocol wireless communication device, including any of the multi-protocol wireless communication modules described in the first aspect.
In the technical scheme provided by the embodiment of the utility model, the multi-protocol wireless communication module at least comprises a main control module and a transceiver module, wherein the main control module is connected with the transceiver module; the receiving and transmitting module is respectively connected with the global navigation satellite positioning module and the Wi F i module; the receiving and transmitting module is also connected with a low-power consumption wide area network antenna through a conversion module; the master control module is respectively connected with the short-distance wireless communication module and the universal serial bus module, and combines the multi-protocol wireless module and the low-power consumption LoRa transceiver to form a multi-protocol wireless communication module, wherein the multi-protocol wireless module is used as a master controller and can realize functions of Bluetooth, NFC, GPIO and the like, and is also a carrier of a LoRa application layer program, and the transceiver chip is controlled to realize functions of receiving and transmitting of a LoRa protocol, GNSS positioning, wi F i signal scanning and the like.
Drawings
Fig. 1 is a schematic structural diagram of a multi-protocol wireless communication module according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another multi-protocol wireless communication module according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of an LR1110 provided in an embodiment of the present utility model;
FIG. 4 is a schematic diagram of the RF portion of nRF52840 provided in an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a nRF52840 IO portion provided in an embodiment of the present utility model;
FIG. 6 is a pin definition of a multi-protocol wireless communication module provided in an embodiment of the present utility model;
fig. 7 is a schematic outline dimension of a multi-protocol wireless communication module according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of the external dimensions of another multi-protocol wireless communication module according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of the external dimensions of another multi-protocol wireless communication module according to an embodiment of the present utility model;
fig. 10 is a schematic diagram of a PCB package size of a multi-protocol wireless communication module according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Noun interpretation:
SP3T: a single pole, triple throw switch;
LoRa: a low power wide area network;
TCXO: c, performing temperature compensation crystal oscillator;
CRY: a crystal oscillator;
and (3) GNSS: a global navigation satellite system;
BT: bluetooth;
GPIO: a general purpose input/output;
NFC: near field communication;
I2C: is a bidirectional two-wire synchronous serial bus;
SWD: is an international standard test protocol (I EEE 1149.1 compatible) and is mainly used for testing the inside of a chip;
USB: is a serial bus standard for connecting computers and equipment, is also a technical specification for input/output (I/O) connection ports, is widely applied to information communication products such as personal computers and mobile devices, and is expanded to other related fields such as photographic equipment, digital televisions (set-top boxes), game machines and the like.
D IO: a digital input/output;
AI N: analog input;
VBUS: the input signal of the USB module is used for judging whether the USB bus is connected or not in a self-powered (VDD power supply) mode;
referring to fig. 1, a schematic structural diagram of a multi-protocol wireless communication module provided in an embodiment of the present utility model, where the multi-protocol wireless communication module at least includes a main control module 102 and a transceiver module 101, and the main control module 102 is connected to the transceiver module 101;
the transceiver module 101 is respectively connected with the global navigation satellite positioning module 103 and the Wi F i module 104; the transceiver module is also connected with a low-power consumption wide area network antenna through a conversion module 105;
the main control module 102 is connected to the short-range wireless communication module 106 and the universal serial bus module 107, respectively.
As shown in FIG. 2, LR1110 acts as a LoRa multi-protocol transceiver, having a high power LoRa output, a low power LoRa output, loRa reception, GNSS reception, and Wi F i signal reception RF path;
the SP3T is controlled by software to select a high-power output, a low-power output and a receiving channel of LoRa communication;
the built-in 32MHz TCXO of the module provides a stable clock for the LoRa so as to adapt to a harsh outdoor working temperature environment;
a 32K low-frequency clock is arranged in the module to provide timed wake-up for LoRa dormancy;
a filter and impedance matching are integrated for each path of radio frequency signal in the module;
nRF52840 is used as a carrier of an application program and is connected with LR1110 through SPI bus to realize control of LoRa receiving and transmitting signals, GNSS receiving, wiFi scanning and the like; meanwhile, the functions of Bluetooth, zi gebee, thread, NFC and the like can be realized through the self-integrated 2.4G radio frequency function; the extension of functions of connecting the sensor, the controller and the like is realized by connecting the residual resources such as GPIO, USB and the like to the outside of the module;
the 32MHz crystal oscillator provides an operating clock for nRF 52840;
the embodiment of the utility model also comprises an encryption authentication chip as an optional match for providing an encryption authentication mechanism for the security application;
VDD LR and VDD nRF are used as power inputs to power the circuitry within the module.
As shown in fig. 3, the thirty-first pin of the transceiver module is connected to the ninth pin of the radio frequency switch through a capacitor C14 and a capacitor C17;
an eleventh pin of the radio frequency switch is connected with the LORA antenna through an inductor L19;
the first pin of the radio frequency switch is connected with the thirty-second pin of the transceiver module through a capacitor C5, an inductor L2 and an inductor L1, and the inductor L1 is also connected with the thirty-first pin of the transceiver module through an inductor L5 and an inductor L6;
the third pin of the radio frequency switch is connected with the thirty-first pin of the transceiver module through a capacitor C6, an inductor L4 and an inductor L3.
Optionally, the radio frequency switch is a SKY13373 chip.
Optionally, the twenty eighth pin of the transceiver module is connected to an antenna of the global navigation satellite positioning module through a capacitor C18, a capacitor C19 and an inductor L11.
Optionally, the twenty-sixth pin of the transceiver module is connected to the WI F I antenna through an inductor L13, an inductor L12 and a capacitor C27.
As shown in fig. 4 and 5, the H23 pin of the main control module is connected to the first end of the inductor L17, the second end of the inductor L17 is connected to the first end of the capacitor C57 and the first end of the inductor L18, the second end of the capacitor C57 and the second end of the inductor L18 are connected to the first end of the capacitor C58, and the second end of the capacitor C58 is connected to the bluetooth antenna.
The bluetooth antenna is an NRF antenna, but the module supports multiple communication protocols, and its working frequency is 2.4 GHz-2.5 GHz, which may also be called as 2.4G antenna.
Optionally, the main control module is an nRF52840 chip.
Optionally, the transceiver module is an LR1110 chip.
As shown in fig. 6, the nRF52840 chip is connected with the LR1110 chip through the SPI bus, and then forms a multi-protocol wireless communication module, and the size of the module is as shown in fig. 7 to 10, for example, the multi-protocol wireless communication module is a 20mm x 20mm module; the thickness of the module was 2.3mm and the dimensions between the individual pads were as shown in figures 9-10.
The definition of each pin of the module is shown in table 1:
TABLE 1
The embodiment of the utility model also provides multi-protocol wireless communication equipment, which comprises any multi-protocol wireless communication module.
The embodiment of the utility model combines the multi-protocol wireless SoC nRF52840 (low-power consumption Bluetooth module) and the low-power consumption LoRa transceiver to form a multi-protocol wireless communication module. nRF52840 is as main control unit, can realize functions such as bluetooth, NFC and GPIO, and it is the carrier of LoRa application layer procedure simultaneously, and control LR1110 transceiver chip realizes functions such as the transceiver of LoRa agreement, GNSS location and wiFi signal scanning, can be convenient carry out the configuration of initial network deployment to the product through bluetooth or the function of these cell-phones of NFC own, has reduced user's use threshold, has improved market competition.
The embodiment of the utility model supports various common radio frequency communication protocols of the Internet of things, at least comprises communication protocols of WiFi, bluetooth, zigbee, thread, GNSS, loRa and the like, provides high degree of freedom for the design of products of the Internet of things, and is convenient for integrated development. Because the module highly integrates the radio frequency related circuits and passes the authentication of a plurality of countries, the threshold of the hardware design of the product is reduced, and the help is provided for the product to be pushed into the market in the early days.
The Bluetooth has better low-power consumption characteristics, and combines the low-power consumption requirements of the Internet of things equipment, and the multimode wireless communication module supporting Bluetooth and LoRa provided by the embodiment of the utility model is convenient for meeting the deployment requirements of the Internet of things equipment for long-distance communication, and meanwhile, the module improves the integration level of a radio frequency circuit, unifies the standard of product authentication and can well reduce the product development cost.
In the technical scheme provided by the embodiment of the utility model, the multi-protocol wireless communication module at least comprises a main control module and a transceiver module, wherein the main control module is connected with the transceiver module; the receiving and transmitting module is respectively connected with the global navigation satellite positioning module and the WiFi module; the receiving and transmitting module is also connected with the low-power consumption wide area network antenna through the conversion module; the main control module is respectively connected with the short-distance wireless communication module and the universal serial bus module, and combines the multi-protocol wireless module and the low-power consumption LoRa transceiver to form a multi-protocol wireless communication module, wherein the multi-protocol wireless module is used as a main controller to realize functions of Bluetooth, NFC, GPIO and the like, is a carrier of a LoRa application layer program, and controls the transceiver chip to realize functions of receiving and transmitting of LoRa protocols, GNSS positioning, wiFi signal scanning and the like.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A multi-protocol wireless communication module, characterized by: the multi-protocol wireless communication module at least comprises a main control module and a transceiver module, wherein the main control module is connected with the transceiver module;
the receiving and transmitting module is respectively connected with the global navigation satellite positioning module and the WiFi module; the receiving and transmitting module is also connected with a low-power consumption wide area network antenna through a conversion module;
the main control module is respectively connected with the short-distance wireless communication module and the universal serial bus module.
2. The multi-protocol wireless communication module according to claim 1, wherein a thirty-first pin of the transceiver module is connected to a ninth pin of the radio frequency switch through a capacitor C14 and a capacitor C17;
an eleventh pin of the radio frequency switch is connected with the LORA antenna through an inductor L19;
the first pin of the radio frequency switch is connected with the thirty-second pin of the transceiver module through a capacitor C5, an inductor L2 and an inductor L1, and the inductor L1 is also connected with the thirty-first pin of the transceiver module through an inductor L5 and an inductor L6;
the third pin of the radio frequency switch is connected with the thirty-first pin of the transceiver module through a capacitor C6, an inductor L4 and an inductor L3.
3. The multi-protocol wireless communication module of claim 2, wherein the radio frequency switch is a SKY13373 chip.
4. The multi-protocol wireless communication module of claim 1, wherein the twenty-eighth pin of the transceiver module is coupled to an antenna of the global navigation satellite positioning module through a capacitor C18, a capacitor C19, and an inductor L11.
5. The multi-protocol wireless communication module according to claim 4, wherein a twenty-sixth pin of the transceiver module is connected to the WIFI antenna through an inductor L13, an inductor L12 and a capacitor C27.
6. The multi-protocol wireless communication module according to claim 1, wherein the H23 pin of the main control module is connected to a first end of the inductor L17, a second end of the inductor L17 is connected to a first end of the capacitor C57 and a first end of the inductor L18, a second end of the capacitor C57 and a second end of the inductor L18 are connected to a first end of the capacitor C58, respectively, and a second end of the capacitor C58 is connected to a bluetooth blue antenna.
7. The multi-protocol wireless communication module of claim 1, wherein the master control module is an nRF52840 chip.
8. The multi-protocol wireless communication module of claim 7, wherein the transceiver module is an LR1110 chip.
9. The multi-protocol wireless communication module of claim 8, wherein the multi-protocol wireless communication module is a 20mm x 20mm module having a thickness of 2.3mm, and wherein the nRF52840 chip is connected to the LR1110 chip via an SPI bus.
10. A multi-protocol wireless communication device, characterized by: a multi-protocol wireless communication module comprising any of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914267.2U CN220528236U (en) | 2023-07-20 | 2023-07-20 | Multi-protocol wireless communication module and multi-protocol wireless communication equipment |
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|---|---|---|---|
| CN202321914267.2U CN220528236U (en) | 2023-07-20 | 2023-07-20 | Multi-protocol wireless communication module and multi-protocol wireless communication equipment |
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| Publication Number | Publication Date |
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| CN220528236U true CN220528236U (en) | 2024-02-23 |
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| CN202321914267.2U Active CN220528236U (en) | 2023-07-20 | 2023-07-20 | Multi-protocol wireless communication module and multi-protocol wireless communication equipment |
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