CN217060786U - Multifunctional wireless sensor - Google Patents

Abstract

The utility model provides a multi-functional wireless sensor relates to the technical field of sensor. The system comprises a sensor module, an Internet of things module, a control module and a power supply module; the control module is respectively connected with the sensor module, the Internet of things module and the power supply module; the power module is respectively connected with the sensor module and the Internet of things module. The communication between the sensor and the base station can be realized, and the data measured by the front-end probe of the sensor can be automatically sent in a long distance.

Description

Multifunctional wireless sensor

Technical Field

The utility model relates to a technical field of sensor particularly, relates to a multi-functional wireless sensor.

Background

With the development of the times, the use of sensors is more and more popular, but the existing sensors can only detect required data, but the data required to be monitored cannot be transmitted in real time during remote monitoring, so that a sensor capable of uploading data through the internet of things is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional wireless sensor, it can realize that sensor and basic station communicate, carries out remote transmission with the front end probe measured data of sensor automatically.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a multifunctional wireless sensor, which comprises a sensor module, an Internet of things module, a control module and a power supply module; the control module is respectively connected with the sensor module, the Internet of things module and the power supply module; the power module is respectively connected with the sensor module and the Internet of things module.

In some embodiments of the present invention, the control module includes a processor U200, a capacitor C201, a capacitor C202, a resistor R200, and a light emitting diode D200; the working positive pressure end of the processor U200 is connected with the power supply module; the working negative pressure end of the processor U200 is grounded, and the working positive pressure end of the processor U200 is connected with the working negative pressure end of the processor U200 through a capacitor C200; the capacitor C201 and the capacitor C202 are respectively connected with the capacitor C200 in parallel; a PC4 pin of the processor U200 is connected with the power supply module through a resistor R200 and a light-emitting diode D200; PC5 pin and PC6 pin of treater U200 are connected with thing networking module respectively, and PC5 pin, PC6 pin, PD0 pin, PB0 pin, PB1 pin, PB2 pin, PB3 pin and PB4 pin of treater U200 are connected with the sensor module respectively.

In some embodiments of the utility model, the power module includes conversion module and the voltage stabilizing module who is connected with conversion module, and voltage stabilizing module is connected with sensor module, thing networking module respectively.

In some embodiments of the present invention, the conversion module includes a plug connector P100 connected to an external power source, a converter U100, an inductor L100, an electrolytic capacitor C100, a capacitor C101, a diode D100, and a diode D101; the plug connector P100 is connected with an alternating current input end of the converter U100; the voltage output end of the converter U100 is connected with the grounding end of the converter U100 through an inductor L100 and a capacitor C101; the electrolytic capacitor C100 and the diode D100 are respectively connected with the capacitor C101 in parallel; the anode of the diode D101 is connected to the voltage output terminal of the converter U100 via the inductor L100, and the cathode of the diode D101 is connected to the voltage regulator module.

In some embodiments of the present invention, the voltage stabilizing module includes a voltage stabilizer U101, a capacitor C102, a capacitor C103, and a capacitor C104; the input end of the voltage stabilizer is connected with the cathode of the diode D101; the input end of the voltage stabilizer is connected with the grounding end of the voltage stabilizer through a capacitor C102; the enabling end of the voltage stabilizer is connected with the cathode of the diode D101; the BP pin of the voltage stabilizer is grounded through a capacitor C103; the output of regulator U101 is coupled to ground through capacitor C104.

In some embodiments of the present invention, the internet of things module includes a processor U300, a capacitor C301, a capacitor C302, a capacitor C303, a capacitor C304, a capacitor C305, a capacitor C306, a capacitor C307, a capacitor C308, a resistor R301, a resistor R302, a resistor R303, a resistor R304, a resistor R305, a resistor R306, an antenna T100, and an identification card U301; a VBAT pin of the processor U300 is connected with the output end of the voltage stabilizer U101; the VBAT pin of the processor U300 is grounded through a capacitor C301, and the capacitor C300 and a capacitor C308 are respectively connected with the capacitor C301 in parallel; the antenna end of the processor U300 is connected to the antenna T100 through a resistor R306; the antenna end of the processor U300 and the common end of the resistor R306 are grounded through a capacitor C306; the resistor R306 and the common end of the antenna T100 are grounded through a capacitor C307; the power end of the processor U300 is connected with the power end of the identification card U301; the reset end of the processor U300 is connected with the reset end of the identity recognition card U301 through a resistor R300; the clock end of the processor U300 is connected with the clock end of the identity recognition card U301 through a resistor R301, and the DATA pin of the processor U300 is connected with the DATA input end of the identity recognition card U301 through a resistor R302; the common ends of the resistor R300 and the identity recognition card U301 are grounded through a capacitor C302; the common ends of the resistor R301 and the identity recognition card U301 are grounded through a capacitor C304; the common end of the resistor R302 and the identity recognition card U301 is grounded through a capacitor C303; the data transmitting end of the processor U300 is connected with a PC6 pin of the processor U200 through a resistor R303; the data receiving terminal of processor U300 is connected to PC5 pin of processor U200 through resistor R304.

In some embodiments of the present invention, the sensor module includes a temperature sensor, a temperature conversion circuit connected to the temperature sensor, a humidity conversion circuit connected to the humidity sensor, a illuminance sensor, and an RS485 circuit; the temperature conversion circuit, the humidity conversion circuit, the illuminance sensor and the RS485 circuit are respectively connected with the control module.

In some embodiments of the present invention, the RS485 circuit includes a transceiver U403, a resistor R410, a resistor R411, a resistor R412, a fuse F400, a fuse F401, a diode D410, a diode D411, and a diode D412; the receiving output end of the transceiver U403 is connected with a PC6 pin of the processor U200; a receiving enabling signal end and a sending enabling signal end of the transceiver U403 are respectively connected with a PB4 pin of the processor U200; the data sending input end of the transceiver U403 is connected with a PC5 pin of the processor U200; the bus interface B of the transceiver U403, the fuse F400, the resistor R411, the diode D411, the resistor R412, the fuse F401 and the bus interface A of the transceiver U403 are sequentially connected; one end of the resistor R410 is connected with a bus interface A of the transceiver U403, and the other end of the resistor R410 is connected with a bus interface B of the transceiver U403; the cathode of the diode D410 is connected with the common end of the diode D411 and the resistor R411, and the anode of the diode D410 is grounded; the cathode of the diode D412 is connected to the common terminal of the diode D411 and the resistor R412, and the anode of the diode D412 is grounded.

In some embodiments of the present invention, the temperature conversion circuit includes a plug P400, a capacitor C401, a capacitor C402, a resistor R400, a resistor R401, a resistor R402, a resistor R403, a resistor R404, and a resistor R405; the temperature sensor is connected with a plug-in unit P400, and a first interface of the plug-in unit P400 is connected with a PD0 pin of the processor U200 through a resistor R403; the second interface of the plug connector P400 is connected with a PB0 pin of the processor U200 through a resistor R404; the third interface of the plug connector P400 is connected with a PB1 pin of the processor U200 through a resistor R405; the first interface of the plug-in unit P400 is grounded through a capacitor C400, and the first interface of the plug-in unit P400 is connected with the output end of the voltage stabilizer U101 through a resistor R400; the second interface of the plug connector P400 is grounded through a capacitor C402, and the second interface of the plug connector P400 is connected with the output end of the voltage stabilizer U101 through a resistor R401; the third interface of the plug-in unit P400 is grounded through a capacitor C401, and the third interface of the plug-in unit P400 is connected with the output end of the voltage stabilizer U101 through a resistor R402.

In some embodiments of the present invention, the humidity converting circuit includes a plug P401, a resistor R406, and a resistor R407; a first interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101; the second interface of the plug connector P401 is connected with a PB3 pin of the processor U200; the second interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101 through a resistor R406; the third interface of the plug connector P401 is connected with a PB2 pin of the processor U200; the second interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101 through a resistor R407.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

a multifunctional wireless sensor comprises a sensor module, an Internet of things module, a control module and a power supply module; the control module is respectively connected with the sensor module, the Internet of things module and the power supply module; the power module is respectively connected with the sensor module and the Internet of things module. After the internet of things module is connected with the sensor module, the sensor can communicate with the base station through the internet of things module, and the data measured by the front-end probe of the sensor are automatically sent to the internet of things platform, so that a user can subscribe data through a preset API function of the platform, and the data monitoring and the early warning of abnormal conditions can be realized through a preset software APP, and the safety is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for 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 that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a multifunctional wireless sensor of the present invention;

fig. 2 is a schematic circuit diagram of a control module according to the present invention;

fig. 3 is a schematic circuit diagram of the conversion module of the present invention;

fig. 4 is a schematic circuit diagram of the voltage stabilizing module of the present invention;

fig. 5 is a schematic circuit diagram of the module of the internet of things in the present invention;

fig. 6 is a schematic circuit diagram of an RS485 circuit of the present invention;

fig. 7 is a schematic circuit diagram of the medium temperature switching circuit of the present invention;

fig. 8 is a schematic circuit diagram of the middle humidity converting circuit of the present invention.

An icon: 1. a power supply module; 2. a control module; 3. an Internet of things module; 4. a sensor module; 41. a light intensity sensor; 42. a humidity sensor; 43. a temperature sensor; 44. a humidity conversion circuit; 45. a temperature conversion circuit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not construed as indicating or implying relative importance.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally found in use of products of the application, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the individual features of the embodiments can be combined with one another without conflict.

Examples

Referring to fig. 1, a multifunctional wireless sensor provided in an embodiment of the present application includes a sensor module 4, an internet of things module 3, a control module 2, and a power module 1; the control module 2 is respectively connected with the sensor module 4, the Internet of things module 3 and the power module 1; the power module 1 is respectively connected with the sensor module 4 and the internet of things module 3.

The utility model discloses an in some embodiments, be connected the back with thing networking module 3 and sensor module 4, can realize that the sensor communicates with the basic station through thing networking module 3, automatic send the measured data of the front end probe of sensor to thing networking platform, make the user to subscribe data through the preset API function of platform from this, also can realize the early warning of data monitoring and abnormal conditions through predetermined software APP, improved the security.

Referring to fig. 2, in some embodiments of the present invention, the control module 2 includes a processor U200, a capacitor C201, a capacitor C202, a resistor R200, and a light emitting diode D200; the working positive voltage end of the processor U200 is connected with the power module 1; the working negative pressure end of the processor U200 is grounded, and the working positive pressure end of the processor U200 is connected with the working negative pressure end of the processor U200 through a capacitor C200; the capacitor C201 and the capacitor C202 are respectively connected with the capacitor C200 in parallel; a PC4 pin of the processor U200 is connected with the power module 1 through a resistor R200 and a light emitting diode D200; a PC5 pin and a PC6 pin of the processor U200 are connected to the internet of things module 3, respectively, and a PC5 pin, a PC6 pin, a PD0 pin, a PB0 pin, a PB1 pin, a PB2 pin, a PB3 pin, and a PB4 pin of the processor U200 are connected to the sensor module 4, respectively.

In some embodiments of the present invention, the model that processor U200 adopted is STM8L051F3P6, which is an 8-bit ultra low power microcontroller unit, has an enhanced CPU core, can provide higher processing power, while retaining the advantages of the CISC architecture, with improved code density, 24-bit linear addressing space and optimized architecture, can be used for low power operation. Effectively saving energy.

The utility model discloses an in some embodiments, power module 1 includes conversion module and the voltage stabilizing module who is connected with conversion module, and voltage stabilizing module is connected with sensor module 4, thing networking module 3 respectively.

Referring to fig. 3, in some embodiments of the present invention, the conversion module includes a plug connector P100 connected to an external power source, a converter U100, an inductor L100, an electrolytic capacitor C100, a capacitor C101, a diode D100, and a diode D101; the plug connector P100 is connected with an alternating current input end of the converter U100; the voltage output end of the converter U100 is connected with the grounding end of the converter U100 through an inductor L100 and a capacitor C101; the electrolytic capacitor C100 and the diode D100 are respectively connected with the capacitor C101 in parallel; the anode of the diode D101 is connected to the voltage output terminal of the converter U100 via the inductor L100, and the cathode of the diode D101 is connected to the voltage regulator module.

Referring to fig. 4, in some embodiments of the present invention, the voltage stabilizing module includes a voltage stabilizer U101, a capacitor C102, a capacitor C103, and a capacitor C104; the input end of the voltage stabilizer is connected with the cathode of the diode D101; the input end of the voltage stabilizer is connected with the grounding end of the voltage stabilizer through a capacitor C102; the enabling end of the voltage stabilizer is connected with the negative electrode of the diode D101; the BP pin of the voltage stabilizer is grounded through a capacitor C103; the output of regulator U101 is connected to ground through capacitor C104.

In some embodiments of the utility model, the purpose of adopting conversion module is the direct current that electronic components can use with alternating current processing, then converts the direct current into the voltage of electronic components adaptation by voltage stabilizing module.

Referring to fig. 5, in some embodiments of the present invention, the internet of things module 3 includes a processor U300, a capacitor C301, a capacitor C302, a capacitor C303, a capacitor C304, a capacitor C305, a capacitor C306, a capacitor C307, a capacitor C308, a resistor R301, a resistor R302, a resistor R303, a resistor R304, a resistor R305, a resistor R306, an antenna T100, and an identification card U301; a VBAT pin of the processor U300 is connected with the output end of the voltage stabilizer U101; a VBAT pin of the processor U300 is grounded through a capacitor C301, and the capacitor C300 and a capacitor C308 are respectively connected with the capacitor C301 in parallel; the antenna end of the processor U300 is connected to the antenna T100 through a resistor R306; the antenna end of the processor U300 and the common end of the resistor R306 are grounded through a capacitor C306; the resistor R306 and the common end of the antenna T100 are grounded through a capacitor C307; the power end of the processor U300 is connected with the power end of the identity recognition card U301; the reset end of the processor U300 is connected with the reset end of the identity recognition card U301 through a resistor R300; the clock end of the processor U300 is connected with the clock end of the identification card U301 through a resistor R301, and the DATA pin of the processor U300 is connected with the DATA input end of the identification card U301 through a resistor R302; the common ends of the resistor R300 and the identity recognition card U301 are grounded through a capacitor C302; the common ends of the resistor R301 and the identity recognition card U301 are grounded through a capacitor C304; the common end of the resistor R302 and the identity recognition card U301 is grounded through a capacitor C303; the data sending end of the processor U300 is connected with a PC6 pin of the processor U200 through a resistor R303; the data receiving terminal of processor U300 is connected to PC5 pin of processor U200 through resistor R304.

The utility model discloses a some embodiments, the model that thing networking module 3 adopted is NB86-G XAC, and built-in telecommunications NB-IoT wireless transmission module utilizes identification card U301 (SIM card promptly) for the sensor can carry out data interaction with the base station, thereby reaches the purpose of carrying out data interaction to the platform.

In some embodiments of the present invention, the sensor module 4 includes a temperature sensor 43, a temperature conversion circuit 45 connected to the temperature sensor 43, a humidity sensor 42, a humidity conversion circuit 44 connected to the humidity sensor 42, a illuminance sensor 41, and an RS485 circuit; the temperature conversion circuit 45, the humidity conversion circuit 44, the illuminance sensor 41 and the RS485 circuit are respectively connected with the control module 2.

In some embodiments of the present invention, the multiple monitoring modes of the sensor are aimed at conveniently monitoring the equipment or environment which is used for power, chemical industry, energy, underground pipe gallery, transportation and storage, intelligent acquisition and the like, is unattended and needs to continuously monitor the environment; thereby improving safety.

Referring to fig. 6, in some embodiments of the present invention, the RS485 circuit includes a transceiver U403, a resistor R410, a resistor R411, a resistor R412, a fuse F400, a fuse F401, a diode D410, a diode D411, and a diode D412; the receiving output end of the transceiver U403 is connected with a PC6 pin of the processor U200; a receiving enabling signal end and a sending enabling signal end of the transceiver U403 are respectively connected with a PB4 pin of the processor U200; the data sending input end of the transceiver U403 is connected with a PC5 pin of the processor U200; the bus interface B of the transceiver U403, the fuse F400, the resistor R411, the diode D411, the resistor R412, the fuse F401 and the bus interface A of the transceiver U403 are sequentially connected; one end of the resistor R410 is connected with a bus interface A of the transceiver U403, and the other end of the resistor R410 is connected with a bus interface B of the transceiver U403; the cathode of the diode D410 is connected with the common end of the diode D411 and the resistor R411, and the anode of the diode D410 is grounded; the cathode of the diode D412 is connected to the common terminal of the diode D411 and the resistor R412, and the anode of the diode D412 is grounded.

In some embodiments of the present invention, the model number adopted by the transceiver U403 is SP3485EN-L/TR, and the advantage of its adoption of RS485 is that it has better noise immunity and long transmission distance and multi-station capability, thereby making data transmission more stable. Meanwhile, because a half-duplex network formed by the RS485 interfaces generally only needs two connecting wires, the RS485 interfaces adopt shielded twisted-pair transmission, and therefore the cost is reduced.

Referring to fig. 7, in some embodiments of the present invention, the temperature converting circuit 45 includes a plug P400, a capacitor C401, a capacitor C402, a resistor R400, a resistor R401, a resistor R402, a resistor R403, a resistor R404, and a resistor R405; the temperature sensor 43 is connected with the plug-in unit P400, and a first interface of the plug-in unit P400 is connected with a PD0 pin of the processor U200 through a resistor R403; the second interface of the plug connector P400 is connected with a PB0 pin of the processor U200 through a resistor R404; the third interface of the plug connector P400 is connected with a PB1 pin of the processor U200 through a resistor R405; the first interface of the plug connector P400 is grounded through a capacitor C400, and the first interface of the plug connector P400 is connected with the output end of the voltage stabilizer U101 through a resistor R400; the second interface of the plug-in unit P400 is grounded through a capacitor C402, and the second interface of the plug-in unit P400 is connected with the output end of the voltage stabilizer U101 through a resistor R401; the third interface of the plug-in unit P400 is grounded through a capacitor C401, and the third interface of the plug-in unit P400 is connected with the output end of the voltage stabilizer U101 through a resistor R402.

The utility model discloses an in some embodiments, temperature conversion circuit 45 aims at converting the signal of telecommunication of temperature sensor 43 conversion to make treater U200 can discern, thereby utilize thing networking module 3 to carry out data transfer.

Referring to fig. 8, in some embodiments of the present invention, the humidity converting circuit 44 includes a plug P401, a resistor R406, and a resistor R407; a first interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101; the second interface of the plug connector P401 is connected with a PB3 pin of the processor U200; the second interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101 through a resistor R406; the third interface of the plug connector P401 is connected with a PB2 pin of the processor U200; the second interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101 through a resistor R407.

In some embodiments of the present invention, the humidity converting circuit 44 is designed to convert the electrical signal converted by the humidity sensor 42, so as to identify the processor U200, and thus, to transmit data by using the module 3 of the internet of things.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application 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 (9)

1. A multifunctional wireless sensor is characterized by comprising a sensor module, an Internet of things module, a control module and a power supply module; the control module is respectively connected with the sensor module, the Internet of things module and the power supply module; the power supply module is respectively connected with the sensor module and the Internet of things module; the control module comprises a processor U200, a capacitor C201, a capacitor C202, a resistor R200 and a light-emitting diode D200; the working positive pressure end of the processor U200 is connected with the power supply module; the working negative pressure end of the processor U200 is grounded, and the working positive pressure end of the processor U200 is connected with the working negative pressure end of the processor U200 through the capacitor C200; the capacitor C201 and the capacitor C202 are respectively connected in parallel with the capacitor C200; a PC4 pin of the processor U200 is connected with the power supply module through the resistor R200 and the light emitting diode D200; PC5 pin and PC6 pin of treater U200 respectively with the thing networking module is connected, PC5 pin, PC6 pin, PD0 pin, PB0 pin, PB1 pin, PB2 pin, PB3 pin and PB4 pin of treater U200 respectively with the sensor module is connected.

2. The multifunctional wireless sensor according to claim 1, wherein the power module comprises a conversion module and a voltage stabilizing module connected to the conversion module, and the voltage stabilizing module is respectively connected to the sensor module and the internet of things module.

3. The multifunctional wireless sensor according to claim 2, wherein the conversion module comprises a plug-in unit P100 connected with an external power supply, a converter U100, an inductor L100, an electrolytic capacitor C100, a capacitor C101, a diode D100 and a diode D101; the plug connector P100 is connected with an alternating current input end of the converter U100; a voltage output end of the converter U100 is connected with a grounding end of the converter U100 through an inductor L100 and a capacitor C101; the electrolytic capacitor C100 and the diode D100 are respectively connected with the capacitor C101 in parallel; the anode of the diode D101 is connected to the voltage output terminal of the converter U100 through the inductor L100, and the cathode of the diode D101 is connected to the voltage stabilizing module.

4. The multifunctional wireless sensor according to claim 3, wherein the voltage stabilizing module comprises a voltage stabilizer U101, a capacitor C102, a capacitor C103 and a capacitor C104; the input end of the voltage stabilizer is connected with the cathode of the diode D101; the input end of the voltage stabilizer is connected with the grounding end of the voltage stabilizer through the capacitor C102; the enabling end of the voltage stabilizer is connected with the negative electrode of the diode D101; the BP pin of the voltage stabilizer is grounded through the capacitor C103; the output end of the voltage stabilizer U101 is grounded through the capacitor C104.

5. The multifunctional wireless sensor of claim 4, wherein the IOT module comprises a processor U300, a capacitor C301, a capacitor C302, a capacitor C303, a capacitor C304, a capacitor C305, a capacitor C306, a capacitor C307, a capacitor C308, a resistor R300, a resistor R301, a resistor R302, a resistor R303, a resistor R304, a resistor R305, a resistor R306, an antenna T100 and an identification card U301; a VBAT pin of the processor U300 is connected with the output end of the voltage stabilizer U101; the VBAT pin of the processor U300 is grounded through the capacitor C301, and the capacitor C300 and the capacitor C308 are respectively connected in parallel with the capacitor C301; the antenna end of the processor U300 is connected to the antenna T100 through the resistor R306; the antenna end of the processor U300 and the common end of the resistor R306 are grounded through a capacitor C306; the resistor R306 and the common end of the antenna T100 are grounded through a capacitor C307; the power end of the processor U300 is connected with the power end of the identification card U301; the reset end of the processor U300 is connected with the reset end of the identity recognition card U301 through the resistor R300; the clock end of the processor U300 is connected with the clock end of the identification card U301 through the resistor R301, and the DATA pin of the processor U300 is connected with the DATA input end of the identification card U301 through the resistor R302; the common end of the resistor R300 and the identity recognition card U301 is grounded through the capacitor C302; the common end of the resistor R301 and the common end of the identity recognition card U301 are grounded through the capacitor C304; the common end of the resistor R302 and the identity recognition card U301 is grounded through the capacitor C303; the data transmitting end of the processor U300 is connected with a PC6 pin of the processor U200 through the resistor R303; the data receiving terminal of the processor U300 is connected to the PC5 pin of the processor U200 through the resistor R304.

6. The multifunctional wireless sensor of claim 5, wherein the sensor module comprises a temperature sensor, a temperature conversion circuit connected with the temperature sensor, a humidity conversion circuit connected with the humidity sensor, an illuminance sensor and an RS485 circuit; the temperature conversion circuit, the humidity conversion circuit, the illuminance sensor and the RS485 circuit are respectively connected with the control module.

7. The multifunctional wireless sensor according to claim 6, wherein the RS485 circuit comprises a transceiver U403, a resistor R410, a resistor R411, a resistor R412, a fuse F400, a fuse F401, a diode D410, a diode D411 and a diode D412; the receiving output end of the transceiver U403 is connected with a PC6 pin of the processor U200; a receiving enabling signal end and a sending enabling signal end of the transceiver U403 are respectively connected with a PB4 pin of the processor U200; a sending data input end of the transceiver U403 is connected with a PC5 pin of the processor U200; the bus interface B of the transceiver U403, the fuse F400, the resistor R411, the diode D411, the resistor R412, the fuse F401 and the bus interface A of the transceiver U403 are sequentially connected; one end of the resistor R410 is connected with a bus interface A of the transceiver U403, and the other end of the resistor R410 is connected with a bus interface B of the transceiver U403; the cathode of the diode D410 is connected with the common end of the diode D411 and the resistor R411, and the anode of the diode D410 is grounded; the cathode of the diode D412 is connected to the common terminal of the diode D411 and the resistor R412, and the anode of the diode D412 is grounded.

8. The multifunctional wireless sensor according to claim 6, wherein the temperature conversion circuit comprises a plug connector P400, a capacitor C401, a capacitor C402, a resistor R400, a resistor R401, a resistor R402, a resistor R403, a resistor R404 and a resistor R405; the temperature sensor is connected with the plug-in unit P400, and a first interface of the plug-in unit P400 is connected with a PD0 pin of the processor U200 through the resistor R403; the second interface of the plug connector P400 is connected with a PB0 pin of the processor U200 through the resistor R404; the third interface of the plug connector P400 is connected with a PB1 pin of the processor U200 through the resistor R405; the first interface of the plug connector P400 is grounded through the capacitor C400, and the first interface of the plug connector P400 is connected with the output end of the voltage stabilizer U101 through the resistor R400; the second interface of the plug-in unit P400 is grounded through the capacitor C402, and the second interface of the plug-in unit P400 is connected with the output end of the voltage stabilizer U101 through the resistor R401; the third interface of the plug connector P400 is grounded through the capacitor C401, and the third interface of the plug connector P400 is connected with the output end of the voltage stabilizer U101 through the resistor R402.

9. The multifunctional wireless sensor according to claim 8, wherein said humidity conversion circuit comprises a plug-in connector P401, a resistor R406 and a resistor R407; a first interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101; the second interface of the plug connector P401 is connected with a PB3 pin of the processor U200; the second interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101 through the resistor R406; the third interface of the plug connector P401 is connected with a PB2 pin of the processor U200; and a second interface of the plug connector P401 is connected with the output end of the voltage stabilizer U101 through the resistor R407.

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