CN212381406U - Integrated IOT module for multi-scene application - Google Patents
Integrated IOT module for multi-scene application Download PDFInfo
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- CN212381406U CN212381406U CN202020952594.7U CN202020952594U CN212381406U CN 212381406 U CN212381406 U CN 212381406U CN 202020952594 U CN202020952594 U CN 202020952594U CN 212381406 U CN212381406 U CN 212381406U
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Abstract
The utility model discloses an integrated IOT module for multi-scene application, which comprises an IOT control module, a power supply module, an external interface module, a wireless transmission module, a GNSS positioning module and an external module, wherein the power supply module, the external interface module, the wireless transmission module, the GNSS positioning module and the external module are respectively and electrically connected with the IOT control module; the GNSS positioning module comprises a voltage stabilizing unit, a band-pass filtering unit and a positioning chip, the voltage stabilizing unit is used for being connected with the power supply module, the output end of the voltage stabilizing unit is electrically connected with the band-pass filtering unit, the output end of the band-pass filtering unit is electrically connected with the positioning chip, and the positioning chip is electrically connected with the IOT control module. The utility model discloses a set up GNSS's positioning system to combine wireless network transmission technology, can realize the effect of dual location, improve the sensitivity and the precision of location, simultaneously through setting up multiple peripheral hardware interface, improve the extending capability of module, still be provided with GSM GPRS and BT function in addition, make its transmission data more stable, effectual improvement transmission efficiency.
Description
Technical Field
The utility model relates to a thing networking field especially relates to an integrated form IOT module that multi-scene used.
Background
The Internet of Things (The Internet of Things, IOT for short) is to collect any object or process needing monitoring, connection and interaction in real time and collect various required information such as sound, light, heat, electricity, mechanics, chemistry, biology and location through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors and laser scanners, and to realize ubiquitous connection of objects and people through various possible network accesses, so as to realize intelligent sensing, identification and management of objects and processes. The internet of things is an information bearer based on the internet, a traditional telecommunication network and the like, and all common physical objects which can be independently addressed form an interconnected network.
However, the existing IOT module has a poor function, and cannot meet the requirements of the existing users, for example, the existing IOT module cannot realize accurate positioning, the positioning sensitivity of the product is poor, and the positioning error is easy to occur; in addition, the prior IOT module cannot be effectively expanded, so that the prior IOT module has larger limitation when in use; in addition, the unstable condition of transmission appears easily in current IOT module, and transmission efficiency is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide an integrated form IOT module that many scenes were used, through the positioning system who sets up GNSS to combine wireless network transmission technique, can realize the effect of dual location, improve the sensitivity and the precision of location, through setting up multiple peripheral hardware interface simultaneously, improve the extending capability of module, still be provided with GSM GPRS and BT function in addition, make its transmission data more stable, effectual improvement transmission efficiency.
The purpose of the utility model is realized through the following technical scheme:
an integrated IOT module for a multi-scenario application, comprising: the system comprises an IOT control module, a power supply module, a peripheral interface module, a wireless transmission module, a GNSS positioning module and an external module, wherein the power supply module, the peripheral interface module, the wireless transmission module, the GNSS positioning module and the external module are respectively and electrically connected with the IOT control module;
the GNSS positioning module comprises a voltage stabilizing unit, a band-pass filtering unit and a positioning chip, the voltage stabilizing unit is used for being connected with the power supply module, the output end of the voltage stabilizing unit is electrically connected with the band-pass filtering unit, the output end of the band-pass filtering unit is electrically connected with the positioning chip, and the positioning chip is electrically connected with the IOT control module;
the wireless transmission module comprises a Bluetooth unit and a GSM unit, and the Bluetooth unit and the GSM unit are respectively and electrically connected with the IOT control module;
the peripheral interface module comprises an SDIO interface, a communication interface, a lens interface and a keyboard interface, wherein the SDIO interface, the communication interface, the lens interface and the keyboard interface are respectively and electrically connected with the IOT control module.
In one embodiment, the power supply module includes a voltage input unit, a boost unit and an LDO voltage stabilization unit, the boost unit and the LDO voltage stabilization unit are respectively electrically connected to the voltage input unit, the boost unit is configured to output a VBAT voltage, the LDO voltage stabilization unit includes a plurality of output ends, and each output end respectively outputs a stabilized voltage.
In one embodiment, the communication interface includes a UART interface, an I2C interface, a USB interface, an ADC interface, and a GPIO interface.
In one embodiment, the wireless transmission module further includes an FEM unit, and the FEM unit is electrically connected to the bluetooth unit and the GSM unit, respectively.
In one embodiment, the voltage stabilizing unit is a 3.3VLDO voltage stabilizer.
In one embodiment, the band-pass filtering unit comprises an antenna, a matching branch and an amplifier LNA, and the antenna is electrically connected with the positioning chip after passing through the matching branch and the amplifier LNA.
In one embodiment, the GNSS positioning module further includes a crystal oscillator unit, and the crystal oscillator unit is electrically connected to the positioning chip.
In one embodiment, the band-pass filtering unit further includes a test switch switching unit, and the test switch switching unit is connected in series between the matching branch and the amplifier LNA.
In one embodiment, the IOT module further includes an audio interface, a keyboard backlight driving unit, and a lithium battery charging unit, and the audio interface, the keyboard backlight driving unit, and the lithium battery charging unit are electrically connected to the IOT control module respectively.
In one embodiment, the IOT module further includes a SIM card interface electrically connected to the IOT control module.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to an integrated form IOT module that multi-scene was used, through the positioning system who sets up GNSS to combine wireless network transmission technology, can realize the effect of dual location, improve the sensitivity and the precision of location, simultaneously through setting up multiple peripheral hardware interface, improve the extending capability of module, still be provided with GSM GPRS and BT function in addition, make its transmission data more stable, effectual improvement transmission efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a functional block diagram of an integrated IOT module for multi-scenario application according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a voltage regulator unit of the GNSS positioning module shown in FIG. 1;
FIG. 3 is a circuit diagram of a band-pass filtering unit of the GNSS positioning module shown in FIG. 1;
FIG. 4 is a circuit diagram of a positioning chip of the GNSS positioning module shown in FIG. 1;
FIG. 5 is a circuit diagram of a wireless transmission module of the integrated IOT module shown in FIG. 1;
FIG. 6 is a circuit diagram of a peripheral interface module of one embodiment shown in FIG. 1;
FIG. 7 is a circuit diagram of a peripheral interface module of another embodiment shown in FIG. 1;
FIG. 8 is a circuit diagram of a power module of the integrated IOT module of FIG. 1;
FIG. 9 is a circuit diagram of a wireless transmission module of the integrated IOT module shown in FIG. 1;
FIG. 10 is a circuit diagram of the audio interface and keyboard backlight driver unit shown in FIG. 1;
fig. 11 is a circuit diagram of the lithium battery charging unit shown in fig. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The internet of things is regarded as another wave of information technology revolution following the internet. According to big data prediction, the industrial value brought by the Internet of things is 30 times larger than that of the Internet, and the Internet of things becomes the information industry service of the next trillion-element level. Nowadays, various intelligent device applications, people sensing, are gradually popularized to all aspects of society. The internet of things is about to replace the internet, and the internet is about to disappear, and the internet is not a trend but a reality.
The development and application of a wireless transmission technology are important links which are the most front end and the most key in the field of internet of things. The wireless technology subdividing the field of internet of things is mainly two branches of local area network and wide area network technologies. The wireless transmission equipment of the local area network has the advantages of mature technology, simple hardware and low cost, and can be applied to terminal equipment of families and public networks. However, such devices usually use a router as a data exchange hub, and due to the limitation of the network, the mobility is poor, the positioning characteristics are not strong, the transmission rate is relatively low, and the devices cannot work outdoors or in a routing signal blind area, which limits the application of such products in many scenarios in the field of internet of things. Wireless products of the wide area network can well solve the problems, and become a necessary choice in the application field of the internet of things in the future. The utility model discloses an use and design based on GSM and GPRS network, compatible multiple wireless transmission techniques such as BT, WIFI and GPS, the mobility of product can be good, and is compatible stronger, and coverage is wider, must become a big bright spot in the wireless transmission field.
Referring to fig. 1, an integrated IOT module for multi-scenario applications includes: the GNSS positioning system comprises an IOT control module 100, a power supply module 200, a peripheral interface module 300, a wireless transmission module 400 and a GNSS positioning module 500, wherein the power supply module, the peripheral interface module, the wireless transmission module and the GNSS positioning module are respectively electrically connected with the IOT control module.
It should be noted that the IOT control module 100 serves as a brain of the IOT module to control the operation of the IOT module; the power supply module 200 is used for supplying power to the IOT module; the peripheral interface module 300 is used as an interface for accessing different devices; the wireless transmission module 400 is used for realizing wireless transmission, and comprises modes of bluetooth, WIFI, GSM/GPRS and the like; the GNSS positioning module 500 is configured to accurately position a module; the external module 600 is used to expand other functions of the module.
Referring to fig. 2, 3 and 4, the GNSS positioning module includes a voltage stabilizing unit, a band-pass filtering unit and a positioning chip, the voltage stabilizing unit is used to connect the power supply module, an output end of the voltage stabilizing unit is electrically connected to the band-pass filtering unit, an output end of the band-pass filtering unit is electrically connected to the positioning chip, and the positioning chip is electrically connected to the IOT control module. It should be noted that the voltage regulation unit is used for providing a regulated voltage of 3.3V; the band-pass filtering unit is used for receiving the wireless signal, filtering out the interference signal, and filtering out the signals except 1570-1607, so that the positioning chip only receives the signal of the positioning frequency band.
Furthermore, the GNSS positioning module comprises main navigation and positioning systems in the world such as GPS, Beidou, GLONASS, Galileo and the like, and has strong universality and wide coverage range.
The IOT module is a wide area network wireless transmission product with small size (18 × 16mm), low power consumption and high integration level. Data exchange and transmission are carried out based on GSM and GPRS networks, and the working bands cover GSM850, EGSM900, DCS1800 and PCS 1900. The product supports FM of 65-108MHz, and is compatible with local area network transmission technologies such as Bluetooth and WIFI (extensible). In addition, the GNSS function of the product comprises main navigation and positioning systems in the world such as GPS, Beidou, GLONASS, Galileo and the like, and the GNSS navigation and positioning system has strong universality and wide coverage range. The product is suitable for various application scenes in the field of Internet of things, and provides rich multimedia peripheral expansion functions or interfaces, such as an expansion keyboard of external equipment, an LCD display, an optical lens, an SD card storage device, a loudspeaker, a microphone, an FLASH memory and the like; the interface aspect provides rich communication interfaces of UART, SPI, JTAG, SDIO, USB and the like. The utility model discloses a range of application is widest on the current market for the IOT module, and expandable function is strongest, a higher section wireless transmission product of sexual valence ratio.
The utility model provides a wireless transmission technology's IOT module has covered a plurality of application of thing networking, like the car networking, sharing economy, intelligent transportation, wisdom city etc. and the commonality of product is extremely strong, and scalability is good, becomes various intelligent terminal's best choice.
Referring to fig. 5, the wireless transmission module includes a bluetooth unit and a GSM unit, and the bluetooth unit and the GSM unit are electrically connected to the IOT control module respectively. It should be noted that the bluetooth unit is configured to receive or transmit a bluetooth signal; the GSM unit is used for receiving signals of GSM or GPRS.
Referring to fig. 6 and 7, the peripheral interface module includes an SDIO interface, a communication interface, a lens interface, and a keyboard interface, and the SDIO interface, the communication interface, the lens interface, and the keyboard interface are electrically connected to the IOT control module respectively. In this manner, a plurality of other devices or apparatuses can be expansion-connected. In this embodiment, the communication interface includes a UART interface, an I2C interface, a USB interface, an ADC interface, and a GPIO interface.
Referring to fig. 8, the power supply module includes a voltage input unit, a boosting unit and an LDO voltage stabilization unit, the boosting unit and the LDO voltage stabilization unit are respectively electrically connected to the voltage input unit, the boosting unit is configured to output a VBAT voltage, the LDO voltage stabilization unit includes a plurality of output ends, and each output end respectively outputs a stabilized voltage. Thus, stable voltage can be provided for the IOT module.
Further, the utility model discloses a 3.3V-4.6V's wide voltage input (VBAT) is supported to the IOT module, and integrated circuit is inside from taking the LDO circuit, can export like different voltages such as 2.8V, 1.8V, for functional modules such as SIM, USB, RTC, SD CARD provide the power, simplified the design of complete machine power supply line.
Referring to fig. 5 and 9, the wireless transmission module further includes an FEM unit, and the FEM unit is electrically connected to the bluetooth unit and the GSM unit, respectively. The voltage stabilizing unit is a 3.3VLDO voltage stabilizer. Thus, the GSM/GPRS function of the present invention divides the signal into a High Band (1800/1900 Band) and a Low Band (850/900 Band) by the FEM of the radio frequency. Each band is in turn divided into uplink TX and downlink RX parts. Data transmission is carried out through PA and LAN in FEM, and 3GPP13/14 standard is satisfied. Furthermore, the utility model discloses the bluetooth function (including the radio frequency matching circuit of BT in the picture) and the FM function of integrated BT3.0 standard.
Referring to fig. 3, the band-pass filtering unit includes an antenna, a matching branch and an amplifier LNA, and the antenna is electrically connected to the positioning chip after passing through the matching branch and the amplifier LNA. Thus, the GNSS SAW Filer and the external LNA are used in the radio frequency part to reduce the external signal interference and improve the product sensitivity.
Referring to fig. 3, the band-pass filtering unit further includes a test switch switching unit, and the test switch switching unit is connected in series between the matching branch and the amplifier LNA. Therefore, the switch can be switched, and the test is convenient.
It should be further noted that the GNSS positioning module further includes a crystal oscillator unit, and the crystal oscillator unit is electrically connected to the positioning chip.
Referring to fig. 10 and 11, the IOT module further includes an audio interface, a keyboard backlight driving unit, and a lithium battery charging unit, where the audio interface, the keyboard backlight driving unit, and the lithium battery charging unit are electrically connected to the IOT control module respectively.
It should be further noted that the IOT module further includes a SIM card interface, and the SIM card interface is electrically connected to the IOT control module.
In this embodiment, the IOT module may further include an external module, and the external module is connected to the IOT module through a peripheral interface module. The external module can expand related external equipment such as a loudspeaker, a microphone, USB equipment, LCD display, a lens, an SD card, FLASH storage, SIM and the like according to customization of customer needs. The interface is abundant, and scalability is extremely strong, adapts to the application under various scenes of the thing networking.
It can be understood that the utility model discloses a size of IOT module is little, and the function is complete, and the peripheral hardware interface is abundant, is the thing networking terminal solution that possesses the commonality in the trade most. Due to the fact that the mobile network design is based on, the mobile network is not affected by environment and weather in practical application scenes, and data transmission is stable. In the aspect of tracking and positioning, the double positioning of a mobile network and a GNSS can be combined, the sensitivity is high, the positioning is accurate, and the device has wide application prospects in the fields of car networking, anti-loss products, equipment tracking and the like.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to an integrated form IOT module that multi-scene was used, through the positioning system who sets up GNSS to combine wireless network transmission technology, can realize the effect of dual location, improve the sensitivity and the precision of location, simultaneously through setting up multiple peripheral hardware interface, improve the extending capability of module, still be provided with GSM GPRS and BT function in addition, make its transmission data more stable, effectual improvement transmission efficiency.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An integrated IOT module for multi-scenario applications, comprising: the system comprises an IOT control module, a power supply module, a peripheral interface module, a wireless transmission module, a GNSS positioning module and an external module, wherein the power supply module, the peripheral interface module, the wireless transmission module, the GNSS positioning module and the external module are respectively and electrically connected with the IOT control module;
the GNSS positioning module comprises a voltage stabilizing unit, a band-pass filtering unit and a positioning chip, the voltage stabilizing unit is used for being connected with the power supply module, the output end of the voltage stabilizing unit is electrically connected with the band-pass filtering unit, the output end of the band-pass filtering unit is electrically connected with the positioning chip, and the positioning chip is electrically connected with the IOT control module;
the wireless transmission module comprises a Bluetooth unit and a GSM unit, and the Bluetooth unit and the GSM unit are respectively and electrically connected with the IOT control module;
the peripheral interface module comprises an SDIO interface, a communication interface, a lens interface and a keyboard interface, wherein the SDIO interface, the communication interface, the lens interface and the keyboard interface are respectively and electrically connected with the IOT control module.
2. The integrated IOT module set forth in claim 1, wherein the power supply module comprises a voltage input unit, a boost unit and an LDO regulator unit, the boost unit and the LDO regulator unit are electrically connected to the voltage input unit, respectively, the boost unit is configured to output a VBAT voltage, and the LDO regulator unit comprises a plurality of output terminals, each of the output terminals respectively outputting a regulated voltage.
3. The integrated IOT module set forth in claim 1, wherein the communication interface comprises a UART interface, an I2C interface, a USB interface, an ADC interface, and a GPIO interface.
4. The integrated IOT module set forth in claim 1, wherein the wireless transmission module further comprises an FEM unit electrically connected to the bluetooth unit and the GSM unit, respectively.
5. The integrated IOT module set forth in claim 1, wherein the voltage regulator unit is a 3.3VLDO voltage regulator.
6. The integrated IOT module set forth in claim 1, wherein the bandpass filtering unit comprises an antenna, a matching branch and an amplifier LNA, and the antenna is electrically connected to the positioning chip via the matching branch and the amplifier LNA.
7. The integrated IOT module set forth in claim 6, wherein the GNSS positioning module further comprises a crystal oscillator unit electrically connected to the positioning chip.
8. The integrated IOT module set forth in claim 6, wherein the bandpass filtering unit further comprises a test switch switching unit connected in series between the matching branch and the amplifier LNA.
9. The integrated IOT module set forth in claim 1, further comprising an audio interface, a keyboard backlight driver and a lithium battery charger, wherein the audio interface, the keyboard backlight driver and the lithium battery charger are electrically connected to the IOT control module respectively.
10. The integrated IOT module set forth in claim 1, further comprising a SIM card interface electrically connected to the IOT control module.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113805501A (en) * | 2021-09-22 | 2021-12-17 | 福州易博新睿信息技术有限公司 | Multifunctional module based on internet of things |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113805501A (en) * | 2021-09-22 | 2021-12-17 | 福州易博新睿信息技术有限公司 | Multifunctional module based on internet of things |
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