CN218003956U

CN218003956U - Internet of things module

Info

Publication number: CN218003956U
Application number: CN202221876289.XU
Authority: CN
Inventors: 杨青杰; 杨士杰
Original assignee: HENAN QIANHE AUTOMATION TECHNOLOGY CO LTD
Current assignee: HENAN QIANHE AUTOMATION TECHNOLOGY CO LTD
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-09
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses an internet of things module, which comprises a chip MTK2503D, wherein the chip MTK2503D is electrically connected with an SIM card through an SIM card seat; chip MTK2503D still is connected with acceleration detection circuit, acceleration detection circuit includes chip BMA250E, and first DC power supply is connected to chip BMA 250E's power end electricity, and chip BMA 250E's data end electricity connects chip MTK 2503D's first data end, and chip BMA 250E's clock end electricity connects chip MTK 2503D's first clock end, and this acceleration detection circuit can detect this thing networking module's overall state. The Internet of things module further comprises a lithium battery for supplying power and a charging circuit for the lithium battery, and the chip MTK2503D is further connected with an antenna. The utility model discloses can realize material tower and monitor terminal's remote communication, convenient and fast.

Description

Internet of things module

Technical Field

The utility model relates to a thing networking field especially relates to a thing networking communication module.

Background

With the rapid development of network technology, china has comprehensively entered the era of internet of things. In a farm, in order to ensure the sufficiency of the fodder and to realize automatic feeding, a material tower is generally used to store the fodder. The material tower is generally arranged outdoors, and the state of the material tower is often required to be remotely monitored, such as the weight, the inclination state, the states of a feeding hole and a discharging hole valve of the material tower, so that the remote monitoring of the Internet of things module is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a thing networking communication module, solves the problem that how to realize material tower remote monitoring.

In order to solve the technical problem, one technical solution adopted by the present invention is to provide an internet of things module, which includes a chip MTK2503D, wherein the chip MTK2503D is electrically connected to a SIM card through a SIM card holder; the chip MTK2503D is further connected with an acceleration detection circuit, the acceleration detection circuit comprises a chip BMA250E, a power supply end of the chip BMA250E is electrically connected with a first direct-current power supply, a data end of the chip BMA250E is electrically connected with a first data end of the chip MTK2503D, and a clock end of the chip BMA250E is electrically connected with a first clock end of the chip MTK 2503D.

Preferably, the antenna end of the MTK2503D chip is connected to a GPS antenna through a low-noise amplifier circuit, the low-noise amplifier circuit includes a chip AW5005, the input end of the chip AW5005 is connected to the GPS antenna through a filter network, the filter network includes a first filter capacitor, a second filter capacitor, and a third filter capacitor, the GPS antenna is electrically connected to the first filter capacitor and then connected to the input end of the chip AW5005, the GPS antenna is electrically connected to the second filter capacitor and then grounded, and the input end of the chip AW5005 is electrically connected to the third filter capacitor and then grounded; the output end of the chip AW5005 is electrically connected with the fourth filter capacitor and the first inductor and then is connected to the antenna end of the chip MTK2503D, and the power supply end of the chip AW5005 is electrically connected with the second direct-current power supply.

Preferably, the GPS antenna is electrically connected to the first isolation capacitor and the second isolation capacitor and then connected to the antenna terminal of the chip MTK 2503D.

Preferably, the power supply circuit further comprises a first power supply circuit used for supplying power to the chip AW5005, the first power supply circuit comprises a chip XC6210A, an input end of the chip XC6210A is electrically connected with a positive electrode of a lithium battery, a chip selection end is electrically connected with a first power supply control end of the chip MTK2503D, and an output end of the chip XC6210A outputs a second direct-current power supply used for supplying power to the chip AW 5005.

Preferably, the lithium battery is further connected with a charging circuit, the charging circuit comprises a chip ME4057D, an external power supply is input into a power end of the chip ME4057D, and the lithium battery is electrically connected with a battery pin end of the chip ME 4057D.

Preferably, still include external power source detection circuitry, external power source detection circuitry includes first field effect transistor, insert external power source behind the first detection resistance of grid electricity connection of first field effect transistor, ground connection behind the second detection resistance is still connected to the grid of first field effect transistor, insert first DC power supply behind the drain electrode electricity connection first current-limiting resistance of first field effect transistor, the drain electrode of first field effect transistor inserts chip MTK 2503D's external electricity and detects the input, the source electrode ground connection of first field effect transistor.

Preferably, the charging display circuit comprises a charging light-emitting diode, an anode of the charging light-emitting diode is electrically connected with the first charging current-limiting resistor and then connected to an external power supply, and a cathode of the charging light-emitting diode is electrically connected with the second charging current-limiting resistor and then grounded.

Preferably, the state indicating terminal of the chip ME4057D is connected to the negative electrode of the charging light emitting diode, and the positive electrode of the charging light emitting diode LED1 is electrically connected to a resistor and then connected to the charging control pin of the chip MTK 2503D.

The utility model has the advantages that: the utility model discloses an internet of things module, which comprises a chip MTK2503D, wherein the chip MTK2503D is electrically connected with an SIM card through an SIM card seat; the chip MTK2503D is also connected with an acceleration detection circuit, the acceleration detection circuit comprises a chip BMA250E, a power supply end of the chip BMA250E is electrically connected with a first direct-current power supply, a data end of the chip BMA250E is electrically connected with a first data end of the chip MTK2503D, a clock end of the chip BMA250E is electrically connected with a first clock end of the chip MTK2503D, and the acceleration detection circuit can detect the whole state of the module of the Internet of things. The internet of things module further comprises a lithium battery used for supplying power and a charging circuit for the lithium battery, and the chip MTK2503D is further connected with an antenna. The utility model discloses can realize material tower and monitor terminal's remote communication, convenient and fast.

Drawings

Fig. 1 is a chip MTK2503D in an internet of things communication module according to the present invention;

fig. 2 is a SIM holder in an internet of things communication module according to the present invention;

fig. 3 is an acceleration detection circuit in an internet of things communication module according to the present invention;

fig. 4 is a low noise amplifier circuit in an internet of things communication module according to the present invention;

fig. 5 is a first power supply circuit in an internet of things communication module according to the present invention;

fig. 6 is a charging circuit in an internet of things communication module according to the present invention;

fig. 7 is a charging display circuit in an internet of things communication module according to the present invention;

fig. 8 is according to the utility model relates to an external power source detection circuitry among thing networking communication module.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. 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 is to be noted that, 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 in the description of the invention herein 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.

As shown in fig. 1 and 2, the internet of things module includes a chip MTK2503D, and the chip MTK2503D is electrically connected to the SIM card through the SIM card socket. A SIM card DATA pin SIM _ DATA of the chip MTK2503D in fig. 1 is electrically connected to a DATA terminal IO of the SIM card socket in fig. 2, a SIM card clock pin SIM _ CLK of the chip MTK2503D is electrically connected to a clock terminal CLK of the SIM card socket in fig. 2, a SIM card reset pin SIM _ RST of the chip MTK2503D is electrically connected to a reset terminal RST of the SIM card socket in fig. 2, a SIM card power supply pin SIM _ VCC of the chip MTK2503D is electrically connected to a power supply terminal VCC of the SIM card socket in fig. 2, and the SIM card is mounted on the SIM card socket.

In fig. 2, a clock terminal CLK of the SIM card holder is electrically connected to the capacitor C54 and then grounded, a data terminal IO of the SIM card holder is electrically connected to the capacitor C55 and then grounded, a reset terminal RST of the SIM card holder is electrically connected to the capacitor C56 and then grounded, and a power terminal VCC of the SIM card holder is electrically connected to the capacitors C57 and C58 and then grounded.

In fig. 1, the MTK2503D chip can be powered by an external power supply VCHARG or a lithium battery VBAT.

With reference to fig. 3, the MTK2503D chip is further connected to an acceleration detection circuit, which is capable of detecting the overall state of the module of the internet of things, such as tilt, motion, activity, inactivity, and vibration.

The acceleration detection circuit comprises a chip BMA250E, a power supply end VDDIO of the chip BMA250E is electrically connected with a first direct current power supply VDD _ EXT, the first direct current power supply VDD _ EXT is generated by a power supply output end VIO28 (a 41 th pin of the chip MTK 2503D) of the chip MTK2503D in the figure 1, and the size of the first direct current power supply VDD _ EXT is 2.8V.

The data terminal SDX of the chip BMA250E is electrically connected to the first data terminal SDA28 of the chip MTK2503D in fig. 1 (pin 38 of the chip MTK 2503D), and the clock terminal SCK of the chip BMA250E is electrically connected to the first clock terminal SCL28 of the chip MTK2503D in fig. 1 (pin 39 of the chip MTK 2503D).

The data end SDX of the chip BMA250E is electrically connected to the pull-up resistor R102 and then connected to the first dc power supply VDD _ EXT, the clock end SCK of the chip BMA250E is electrically connected to the pull-up resistor R101 and then connected to the first dc power supply VDD _ EXT, and the interrupt end INT1 of the chip BMA250E is electrically connected to the control pin CPIO2 of the chip MTK2503D in fig. 1 (the 36 th pin of the chip MTK 2503D).

Further, as shown IN fig. 4, IN fig. 1, an antenna terminal GPSANT of the MTK2503D chip is connected to the GPS antenna J5 through a low-noise amplifier circuit, the low-noise amplifier circuit includes a chip AW5005, an input terminal of the chip AW5005 is connected to the GPS antenna through a filter network, the filter network includes a first filter capacitor C052, a second filter capacitor C017 and a third filter capacitor C017, the GPS antenna J5 is electrically connected to the first filter capacitor C052 and then connected to an input terminal IN of the chip AW5005, the GPS antenna is electrically connected to the second filter capacitor C017 and then grounded, and the input terminal IN of the chip AW5005 is electrically connected to the third filter capacitor C018 and then connected to the ground; an output end RFOUT of the chip AW5005 is electrically connected to the fourth filter capacitor C007 and the first inductor L9, and then is connected to an antenna end GPSANT of the chip MTK2503D, and a power supply end VCC of the chip AW5005 is electrically connected to the second direct-current power supply GNSS _ VGNSS _ MAIN.

The GPS antenna J5 is electrically connected to the antenna terminal GPS of the chip MTK2503D after being electrically connected to the first isolation capacitor C022 and the second isolation capacitor C003.

As shown IN fig. 5, the device further includes a first power supply circuit for supplying power to the chip AW5005, the first power supply circuit includes a chip XC6210A, an input terminal IN of the chip XC6210A is electrically connected to an anode of the lithium battery, a chip selection terminal CE is electrically connected to a first power supply control terminal LDO _ EN of the chip MTK2503D IN fig. 1, an output terminal OUT of the chip XC6210A outputs a second direct current power supply GNSS _ VGNSS _ MAIN for supplying power to the chip AW5005, and the second direct current power supply GNSS _ VGNSS _ MAIN is 3.1V IN size. The first power control LDO _ EN of the chip MTK2503D may drive the chip XC6210A to supply power to the chip AW 5005.

Preferably, the input terminal IN of the chip XC6210A is electrically connected to the capacitor C4 and then grounded, and the output terminal OUT of the chip XC6210A is also electrically connected to the capacitor C5 and then grounded.

As shown in fig. 6, the lithium battery is further connected with a charging circuit, the charging circuit includes a chip ME4057D, a power supply terminal VCC of the chip ME4057D inputs an external power supply VCHARG, and the external power supply VCHARG has a size of 3.3V. And the battery pin terminal BAT of the chip ME4057D is electrically connected with the lithium battery. The external power supply VCHARG can charge the lithium battery through the chip ME4057D, and stops charging when the voltage of the lithium battery reaches 3V.

Chip select end CE of chip ME4057D inserts external power supply VCHARG after electrically connecting pull-up resistor R32, and chip ME 4057D's current monitoring pin PROG is grounded behind the electrically connecting resistance R23.

As shown in fig. 7, the charging display circuit further includes a charging light emitting diode LED1, the positive electrode of the charging light emitting diode LED1 is electrically connected to the first charging current limiting resistor R16 and then connected to the external power supply VCHARG, and the negative electrode of the charging light emitting diode LED1 is electrically connected to the second charging current limiting resistor R18 and then grounded. Namely, in the charging process of the lithium battery, the charging light-emitting diode LED1 emits light for display.

Preferably, the state indication terminal CHLED of the chip ME4057D in fig. 6 is connected to the negative electrode of the charging light emitting diode LED1, and the positive electrode of the charging light emitting diode LED1 is electrically connected to the resistor R6 and then connected to the charging control pin GPIO28 of the chip MTK2503D in fig. 1.

As shown in fig. 8, the external power detection circuit is further included, the external power detection circuit includes a first field effect transistor Q3, a gate of the first field effect transistor Q3 is electrically connected to the external power VCHARG after being electrically connected to the first detection resistor R24, the gate of the first field effect transistor Q3 is also electrically connected to the second detection resistor R9 and then grounded, a drain of the first field effect transistor Q3 is electrically connected to the first current limiting resistor R19 and then connected to the first dc power supply VDD _ EXT, the drain of the first field effect transistor Q3 is connected to the external electrical detection input terminal ADC of the chip MTK2503D in fig. 1, and a source of the first field effect transistor Q3 is grounded. The external electric detection input end ADC of the chip MTK2503D is also electrically connected with the resistor R20 and then grounded, when an external power supply VCHARG exists, the first field effect transistor Q3 is conducted, and the external electric detection input end ADC of the chip MTK2503D detects the input of the external power supply VCHARG.

Therefore, the utility model discloses an internet of things module, which comprises a chip MTK2503D, wherein the chip MTK2503D is electrically connected with an SIM card through an SIM card seat; the chip MTK2503D is also connected with an acceleration detection circuit, the acceleration detection circuit comprises a chip BMA250E, a power supply end of the chip BMA250E is electrically connected with a first direct-current power supply, a data end of the chip BMA250E is electrically connected with a first data end of the chip MTK2503D, a clock end of the chip BMA250E is electrically connected with a first clock end of the chip MTK2503D, and the acceleration detection circuit can detect the whole state of the module of the Internet of things. The internet of things module further comprises a lithium battery used for supplying power and a charging circuit for the lithium battery, and the chip MTK2503D is further connected with an antenna. The utility model discloses can realize material tower and monitor terminal's remote communication, convenient and fast.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure transform made in the content of the specification and the drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An internet of things module, which is characterized in that: the chip MTK2503D is electrically connected with the SIM card through the SIM card seat; the chip MTK2503D is further connected with an acceleration detection circuit, the acceleration detection circuit comprises a chip BMA250E, a power supply end of the chip BMA250E is electrically connected with a first direct-current power supply, a data end of the chip BMA250E is electrically connected with a first data end of the chip MTK2503D, and a clock end of the chip BMA250E is electrically connected with a first clock end of the chip MTK 2503D.

2. The internet of things module of claim 1, wherein: the antenna end of the MTK2503D chip is connected with a GPS antenna through a low-noise amplifying circuit, the low-noise amplifying circuit comprises a chip AW5005, the input end of the chip AW5005 is connected with the GPS antenna through a filter network, the filter network comprises a first filter capacitor, a second filter capacitor and a third filter capacitor, the GPS antenna is electrically connected with the first filter capacitor and then is connected to the input end of the chip AW5005, the GPS antenna is electrically connected with the second filter capacitor and then is grounded, and the input end of the chip AW5005 is electrically connected with the third filter capacitor and then is grounded; the output end of the chip AW5005 is electrically connected with the fourth filter capacitor and the first inductor and then is connected to the antenna end of the chip MTK2503D, and the power supply end of the chip AW5005 is electrically connected with the second direct-current power supply.

3. The internet of things module of claim 2, wherein: the GPS antenna is also electrically connected with the first isolation capacitor and the second isolation capacitor and then connected with the antenna end of the chip MTK 2503D.

4. The internet of things module of claim 3, wherein: the power supply circuit comprises a chip XC6210A, an input end of the chip XC6210A is electrically connected with a positive electrode of the lithium battery, a chip selection end is electrically connected with a first power supply control end of the chip MTK2503D, and an output end of the chip XC6210A outputs a second direct current power supply for supplying power to the chip AW 5005.

5. The internet of things module of claim 4, wherein: the lithium cell still is connected with charging circuit, charging circuit includes chip ME4057D, chip ME 4057D's power end input external power source, chip ME 4057D's battery pin end electricity connects the lithium cell.

6. The internet of things module of claim 5, wherein: still include external power source detection circuitry, external power source detection circuitry includes first field effect transistor, insert external power source behind the first detection resistance of grid electricity connection of first field effect transistor, ground connection behind the second detection resistance is still connected to the grid of first field effect transistor, insert first DC power supply behind the drain electrode electricity connection first current-limiting resistance of first field effect transistor, the drain electrode of first field effect transistor inserts chip MTK 2503D's outer electric detection input, the source ground connection of first field effect transistor.

7. The internet of things module of claim 6, wherein: the charging display circuit comprises a charging light-emitting diode, an external power supply is connected to the positive electrode of the charging light-emitting diode after being electrically connected with a first charging current-limiting resistor, and the negative electrode of the charging light-emitting diode is electrically connected with a second charging current-limiting resistor and then grounded.

8. The internet of things module of claim 7, wherein: the state indicating end of the chip ME4057D is connected with the negative electrode of the charging light-emitting diode, and the positive electrode of the charging light-emitting diode LED1 is electrically connected with a resistor and then connected with the charging control pin of the chip MTK 2503D.