阅读说明：本技术 一种多功能双加密物联网网关控制器 (Multi-functional two thing networking gateway controller that encrypt ) 是由 和雄伟 张勇波 杨光华 孟学鑫 于 2021-08-27 设计创作，主要内容包括：本发明提供一种多功能双加密物联网网关控制器,包括：壳体,传感器采集控制模块,设置在壳体内；至少一个传感器接口,设置在壳体背面,与传感器采集控制模块电连接,用于连接检测传感器；报警模块,设置在壳体正面,与传感器采集控制模块电连接；用于报警；电源模块,分别与传感器采集控制模块和报警模块电连接,用于为传感器采集控制模块和报警模块提供电能；其中,电源模块包括：开关电源子模块和后备供电子模块；后备供电子模块包括超级电容。本发明的多功能双加密物联网网关控制器,通过传感器采集控制模块对接入的传感器进行数据采集及分析,实现对物联网设备的各个状态的监控,通过超级电容,实现断电时继续监控及工作。(The invention provides a multifunctional double-encryption Internet of things gateway controller, which comprises: the sensor acquisition control module is arranged in the shell; the sensor interface is arranged on the back of the shell, is electrically connected with the sensor acquisition control module and is used for connecting the detection sensor; the alarm module is arranged on the front surface of the shell and is electrically connected with the sensor acquisition control module; the alarm is used for alarming; the power supply module is respectively and electrically connected with the sensor acquisition control module and the alarm module and is used for providing electric energy for the sensor acquisition control module and the alarm module; wherein, the power module includes: the switching power supply sub-module and the backup power supply sub-module; the backup power supply module comprises a super capacitor. According to the multifunctional double-encryption Internet of things gateway controller, data acquisition and analysis are carried out on the accessed sensors through the sensor acquisition control module, monitoring of all states of Internet of things equipment is achieved, and continuous monitoring and work during power failure are achieved through the super capacitor.)

1. A multi-functional two encryption thing networking gateway controller, its characterized in that includes:

a shell body, a plurality of first connecting rods and a plurality of second connecting rods,

the sensor acquisition control module is arranged in the shell;

the sensor interface is arranged on the back surface of the shell, is electrically connected with the sensor acquisition control module and is used for connecting a detection sensor;

the alarm module is arranged on the front surface of the shell and is electrically connected with the sensor acquisition control module; the alarm is used for alarming;

the power supply module is respectively and electrically connected with the sensor acquisition control module and the alarm module and is used for providing electric energy for the sensor acquisition control module and the alarm module;

wherein the power module includes: the switching power supply sub-module and the backup power supply sub-module; the backup power supply module comprises a super capacitor.

2. The multi-functional dual encryption thing networking gateway controller of claim 1, wherein the sensor acquisition control module comprises: STM32F103C8T6 singlechip.

3. The multi-functional dual encryption internet of things gateway controller of claim 1, wherein the alarm module comprises: one or more of an LED alarm, a buzzer and a loudspeaker are combined.

4. The multi-functional dual-encryption internet of things gateway controller of claim 1, wherein the sensor interface comprises: one or more of a USB interface, an 232/485 industrial bus interface and a 4-20ma analog quantity information acquisition interface.

5. The multi-functional dual encryption internet of things gateway controller of claim 1, wherein the switching power supply sub-module comprises:

the switching power supply chip converts the input DC5V into 3.3V voltage to supply power for the core processor;

and the linear voltage stabilizing chip converts the 3.3V voltage output by the switching power supply chip into 1.8V and 1.35V voltages to provide electric energy for the chip of the memory.

6. The multi-functional dual-encryption internet of things gateway controller of claim 1, wherein the detection sensor comprises: one or more of a water sensor, a smoke sensor, a feed sensor, a first temperature sensor and a humidity sensor.

7. The multi-functional dual encryption thing networking gateway controller of claim 1, further comprising: the at least one second temperature sensor is correspondingly arranged at each preset detection position in the shell one by one and is electrically connected with the sensor acquisition control module;

the core processor is arranged in the shell and is in communication connection with the sensor acquisition control module;

the cooling fan is embedded on the peripheral side wall of the shell and is electrically connected with the core processor;

wherein, cooling fan includes:

the fan blade is embedded in the middle of the main body;

an annular body sleeved on the periphery of the main body;

a first rotating shaft and a first micro rotating motor which are symmetrically arranged and are arranged between the annular body and the main body; the fixed end of the first miniature rotating motor is fixedly connected with the annular body, and the rotating end of the first miniature rotating motor is fixedly connected with the main body; one end of the first rotating shaft is fixedly connected with the annular body, and the other end of the first rotating shaft is rotatably connected with the main body;

a second rotating shaft and a second micro rotating motor are symmetrically arranged and arranged between the annular body and the inner wall of the shell; the fixed end of the second miniature rotating motor is fixedly connected with the shell, and the rotating end of the second miniature rotating motor is fixedly connected with the annular body; one end of the first rotating shaft is fixedly connected with the shell, and the other end of the first rotating shaft is rotatably connected with the annular body;

wherein the first micro rotating motor and the second micro rotating motor are both electrically connected to the core processor;

the core processor performs the following operations:

acquiring a pre-constructed three-dimensional model of temperature detection of the gateway controller;

acquiring second temperatures of all preset detection positions through the sensor acquisition control module;

inputting the second temperature into the three-dimensional model, and determining a third temperature of each preset temperature monitoring point in the gateway controller;

determining working parameters of the cooling fan based on the third temperature;

controlling the action of the cooling fan based on the working parameters;

the three-dimensional model comprises a plurality of base points which are in one-to-one correspondence with preset detection positions and secondary points for determining the temperature according to the temperatures of the base points; the secondary point and the base point are both the temperature monitoring points.

8. The multi-functional dual-encryption internet of things gateway controller of claim 7, wherein the determining the operating parameters of the cooling fan based on the third temperature comprises:

constructing a first vector representing temperatures within a gateway controller based on the third temperatures of the respective temperature monitoring points;

acquiring a preset control library, wherein second vectors in the control library correspond to working parameter sets one by one;

matching the first vector with each second vector in the control library to obtain the working parameter set corresponding to the second vector matched with the first vector;

and analyzing the working parameter set, and determining the working parameters of the cooling fans.

9. The gateway controller of the internet of things with multi-function and double encryption as claimed in claim 7, wherein the number of the cooling fans is five, and all the cooling fans are arranged on the same side wall; the cooling fans are distributed in a cross shape, a main control fan is arranged in the center of the cross shape, and auxiliary fans are arranged around the main control fan;

the core processor determines operating parameters of the cooling fan based on the third temperature, including:

determining the abnormal temperature area and a first position in a three-dimensional model corresponding to the geometric center of the abnormal temperature area based on the third temperature of each temperature monitoring point; the third temperature of each temperature monitoring point in the abnormal temperature area is greater than a preset temperature threshold;

acquiring a second position corresponding to the center of the main control fan in the three-dimensional model;

determining a first center vector of the master fan based on the first location and the second location;

determining a first target angle of the first micro rotary motor and a second target angle of the second micro rotary motor of the main control fan based on the first central vector;

determining a working plane corresponding to the main control fan based on the central vector and the first position;

mapping the abnormal temperature area to the working plane, and determining a first mapping area;

determining a first working area of the main control fan, which corresponds to the working plane, based on the distance between the first position and the second position and the blowing area parameter of the main control fan;

when the first mapping area is larger than the first working area, determining the maximum circumcircle of the first mapping area;

determining a second working area of the auxiliary fan based on the maximum circumscribed circle and the first working area;

determining a set of working trajectory points of the auxiliary fan based on the second working area; the distances between each working track point in the working track point set and the inner edge and the outer edge of the second working area are equal;

acquiring a third position of a center of the auxiliary fan;

determining a second center vector of the auxiliary fan based on the third position and the working trace point;

determining a third target angle of the first micro rotary motor and a fourth target angle of the second micro rotary motor of the main control fan based on the second center vector;

and determining the working parameter set of the auxiliary fan based on the third target angle and the fourth target angle corresponding to each working track point in the working track point set.

10. The multi-functional dual encryption internet of things gateway controller of claim 7, further comprising:

the wireless communication module is arranged in the shell and is electrically connected with the core processor;

the RFID card reader is arranged in the shell and is electrically connected with the core processor;

the wired communication module is arranged in the shell and is electrically connected with the core processor;

the electronic lock is arranged on the openable cover of the shell, is used for locking the cover and is electrically connected with the core processor;

the limit switch is electrically connected with the core processor and used for detecting the opening or closing of the cover;

the core processor performs the following operations:

receiving a routing inspection plan sent by the Internet of things platform through the wired communication module;

analyzing the inspection plan, and determining inspection time, inspection personnel information and inspection time required by inspection;

performing machine self-inspection and starting the RFID card reader at the initial time of the inspection time;

reading information in an RFID identity card worn by an inspection worker through the RFID card reader;

when the information in the RFID identity card is matched with the information of the inspection personnel, the wireless communication module is started to be in communication connection with the inspection terminal of the inspection personnel;

after the inspection terminal is connected with the inspection personnel, self-inspection information is sent to the inspection terminal;

determining the distance between the RFID identity card and the RFID card reader based on an RFID positioning technology, and controlling the electronic lock to be unlocked when the distance is smaller than a preset distance threshold value;

the timing is started when the limit switch detects that the machine cover is opened, and the timing is finished when the limit switch detects that the machine cover is closed, so that the real detection time is obtained;

when the real inspection time is shorter than the inspection time, outputting alarm information to an alarm module, and enabling the alarm module to work;

and when the real detection time is more than or equal to the detection time, the information in the RFID identity card, the time for identifying the RFID identity card for the first time and the real detection time are uploaded to the Internet of things platform through a wired communication module.

Technical Field

The invention relates to the technical field of Internet of things equipment, in particular to a multifunctional double-encryption Internet of things gateway controller.

Background

The Internet of things collects any objects needing monitoring, connection and interaction through technologies such as a sensor, a radio frequency identification technology, a global positioning system, an infrared sensor, laser and the like, and is combined with the Internet to form a huge network, and the objects are connected with the network to facilitate identification and management control.

The internet of things gateway products on the market are basically divided into the following categories:

(1) 256M RAM and 1G Flash are configured as a main control chip by using a Samsung ARM series chip, 6410/210/4418 and the like to form a core control component, and the core control component is externally connected with NET, USB, 485, 232, I2C, a display screen, an SD card and the like.

(2) A128M RAM and a 256M Flash are configured by an AM335X series chip of TI company, and are externally connected with NET, USB, CAN, 485, RGB, SD, Audio and Video.

(3) The microcontroller is used as a main ST, TI, NXP and other microcontrollers to configure 256K RAM and 128M Flash, and is externally connected with NET, USB, CAN, 485 and other functions.

The existing gateway product can not give an alarm in real time, particularly can not give an alarm in case of power failure and some real-time monitoring, and can not deeply analyze the fault point of the power failure.

Disclosure of Invention

One of the objectives of the present invention is to provide a multifunctional dual-encryption internet-of-things gateway controller to solve the above technical problems.

The embodiment of the invention provides a multifunctional double-encryption Internet of things gateway controller, which comprises:

a shell body, a plurality of first connecting rods and a plurality of second connecting rods,

the sensor acquisition control module is arranged in the shell;

the sensor interface is arranged on the back of the shell, is electrically connected with the sensor acquisition control module and is used for connecting the detection sensor;

the alarm module is arranged on the front surface of the shell and is electrically connected with the sensor acquisition control module; the alarm is used for alarming;

the power supply module is respectively and electrically connected with the sensor acquisition control module and the alarm module and is used for providing electric energy for the sensor acquisition control module and the alarm module;

wherein, the power module includes: the switching power supply sub-module and the backup power supply sub-module; the backup power supply module comprises a super capacitor.

Preferably, the sensor acquisition control module comprises: STM32F103C8T6 singlechip.

Preferably, the alarm module includes: one or more of an LED alarm, a buzzer and a loudspeaker are combined.

Preferably, the sensor interface comprises: one or more of a USB interface, an 232/485 industrial bus interface and a 4-20ma analog quantity information acquisition interface.

Preferably, the switching power supply sub-module includes:

the switching power supply chip converts the input DC5V into 3.3V voltage to supply power for the core processor;

and the linear voltage stabilizing chip converts the 3.3V voltage output by the switching power supply chip into 1.8V and 1.35V voltages to provide electric energy for the chip of the memory.

Preferably, the detection sensor includes: one or more of a water sensor, a smoke sensor, a feed sensor, a first temperature sensor and a humidity sensor.

Preferably, the multifunctional dual-encryption internet of things gateway controller further comprises: the at least one second temperature sensor is correspondingly arranged at each preset detection position in the shell one by one and is electrically connected with the sensor acquisition control module;

the core processor is arranged in the shell and is in communication connection with the sensor acquisition control module;

at least one cooling fan which is embedded on the peripheral side wall of the shell and is electrically connected with the core processor;

wherein, cooling fan includes:

the fan blade is embedded in the middle of the main body;

an annular body, which is sleeved on the periphery of the main body;

the first rotating shaft and the first micro rotating motor are symmetrically arranged and are arranged between the annular body and the main body; the fixed end of the first micro rotating motor is fixedly connected with the annular body, and the rotating end of the first micro rotating motor is fixedly connected with the main body; one end of the first rotating shaft is fixedly connected with the annular body, and the other end of the first rotating shaft is rotatably connected with the main body;

a second rotating shaft and a second micro rotating motor are symmetrically arranged and arranged between the annular body and the inner wall of the shell; the fixed end of the second micro rotating motor is fixedly connected with the shell, and the rotating end of the second micro rotating motor is fixedly connected with the annular body; one end of the first rotating shaft is fixedly connected with the shell, and the other end of the first rotating shaft is rotatably connected with the annular body;

the first micro rotating motor and the second micro rotating motor are electrically connected with the core processor;

the core processor performs the following operations:

acquiring a pre-constructed three-dimensional model of temperature detection of the gateway controller;

acquiring second temperatures of all preset detection positions through a sensor acquisition control module;

inputting the second temperature into the three-dimensional model, and determining a third temperature of each preset temperature monitoring point in the gateway controller;

determining working parameters of the cooling fan based on the third temperature;

controlling the action of the cooling fan based on the working parameters;

the three-dimensional model comprises a plurality of base points which are in one-to-one correspondence with all preset detection positions and secondary points for determining the temperature according to the temperatures of the base points; the secondary point and the base point are temperature monitoring points.

Preferably, the determining the operating parameter of the cooling fan based on the third temperature includes:

constructing a first vector representing the temperature in the gateway controller based on the third temperature of each temperature monitoring point;

acquiring a preset control library, wherein the second vectors in the control library correspond to the working parameter sets one by one;

matching is carried out on the basis of the first vectors and all second vectors in the control library, and a working parameter set corresponding to the second vectors which are matched and matched is obtained;

and analyzing the working parameter set to determine the working parameters of each cooling fan.

Preferably, the number of the cooling fans is five, and all the cooling fans are arranged on the same side wall; the cooling fans are distributed in a cross shape, the main control fan is positioned in the center of the cross shape, and the auxiliary fans are positioned around the main control fan;

the core processor determines operating parameters of the cooling fan based on the third temperature, including:

determining an abnormal temperature area and a first position in the three-dimensional model corresponding to the geometric center of the abnormal temperature area based on the third temperature of each temperature monitoring point; the third temperature of each temperature monitoring point in the abnormal temperature area is greater than a preset temperature threshold;

acquiring a second position corresponding to the center of the main control fan in the three-dimensional model;

determining a first central vector of the master control fan based on the first position and the second position;

determining a first target angle of a first micro rotating motor and a second target angle of a second micro rotating motor of the master control fan based on the first central vector;

determining a working plane corresponding to the main control fan based on the central vector and the first position;

mapping the abnormal temperature area to a working plane, and determining a first mapping area;

determining a first working area on a working plane corresponding to the main control fan based on the distance between the first position and the second position and the blowing area parameter of the main control fan;

when the first mapping area is larger than the first working area, determining the maximum circumcircle of the first mapping area;

determining a second working area of the auxiliary fan based on the maximum circumscribed circle and the first working area;

determining a working track point set of the auxiliary fan based on the second working area; the distances between each working track point in the working track point set and the inner edge and the outer edge of the second working area are equal;

acquiring a third position of the center of the auxiliary fan;

determining a second central vector of the auxiliary fan based on the third position and the working track point;

determining a third target angle of the first micro rotating motor and a fourth target angle of the second micro rotating motor of the master control fan based on the second central vector;

and determining the working parameter set of the auxiliary fan based on the third target angle and the fourth target angle corresponding to each working track point in the working track point set.

Preferably, the multifunctional dual-encryption internet of things gateway controller further comprises:

the wireless communication module is arranged in the shell and is electrically connected with the core processor;

the RFID card reader is arranged in the shell and is electrically connected with the core processor;

the wired communication module is arranged in the shell and is electrically connected with the core processor;

the electronic lock is arranged on the openable cover of the shell, is used for locking the cover and is electrically connected with the core processor;

the limit switch is electrically connected with the core processor and used for detecting the opening or closing of the machine cover;

the core processor performs the following operations:

receiving a routing inspection plan sent by the Internet of things platform through a wired communication module;

analyzing the inspection plan, and determining inspection time, inspection personnel information and inspection time required by inspection;

performing machine self-inspection and starting an RFID card reader at the initial time of the inspection time;

reading information in an RFID identity card worn by an inspection worker through an RFID card reader;

when the information in the RFID identity card is matched with the information of the inspection personnel, the wireless communication module is started to be in communication connection with the inspection terminal of the inspection personnel;

after being connected with an inspection terminal of an inspection worker, sending self-inspection information to the inspection terminal;

determining the distance between the RFID identity card and the RFID card reader based on the RFID positioning technology, and controlling the electronic lock to be unlocked when the distance is smaller than a preset distance threshold value;

the timing is started when the limit switch detects that the cover is opened, and the timing is ended when the limit switch detects that the cover is closed, so that the real detection time is obtained;

when the real inspection time is shorter than the inspection time, outputting alarm information to an alarm module, and enabling the alarm module to work;

when the real inspection time is more than or equal to the inspection time, the information in the RFID identity card, the time of identifying the RFID identity card for the first time and the real inspection time are uploaded to the Internet of things platform through the wired communication module.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of a multifunctional dual-encryption internet-of-things gateway controller in an embodiment of the present invention;

FIG. 2 is a schematic view of a cooling fan according to an embodiment of the present disclosure;

fig. 3 is a schematic data transmission diagram of a multifunctional dual-encryption internet-of-things gateway controller in the embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

The embodiment of the invention provides a multifunctional double-encryption internet of things gateway controller, as shown in fig. 1, comprising:

the number of the housings 2 is such that,

a sensor acquisition control module 22 disposed within the housing 2;

at least one sensor interface 21, which is arranged on the back of the shell 2, electrically connected with the sensor acquisition control module 22 and used for connecting the detection sensor 1;

the alarm module 23 is arranged on the front surface of the shell 2 and is electrically connected with the sensor acquisition control module 22; the alarm is used for alarming;

the power supply module 24 is respectively and electrically connected with the sensor acquisition control module 22 and the alarm module 23 and is used for providing electric energy for the sensor acquisition control module 22 and the alarm module 23;

wherein, the power module 24 includes: a switching power supply submodule 241 and a backup power supply submodule 242; the backup power supply module 242 includes a super capacitor.

Preferably, the sensor acquisition control module 22 includes: STM32F103C8T6 singlechip.

Preferably, the alarm module 23 comprises: one or more of an LED alarm, a buzzer and a loudspeaker are combined.

Preferably, the sensor interface 21 includes: one or more of a USB interface, an 232/485 industrial bus interface and a 4-20ma analog quantity information acquisition interface.

Preferably, the switching power supply sub-module 241 includes:

the switching power supply chip converts the input DC5V into 3.3V voltage to supply power for the core processor;

and the linear voltage stabilizing chip converts the 3.3V voltage output by the switching power supply chip into 1.8V and 1.35V voltages to provide electric energy for the chip of the memory.

Preferably, the detection sensor 1 comprises: one or more of a water sensor, a smoke sensor, a feed sensor, a first temperature sensor and a humidity sensor.

The working principle and the beneficial effects of the technical scheme are as follows:

the detection sensor 1 is accessed by arranging the sensor interface 21, the core processor judges whether abnormality occurs according to data detected by the detection sensor 1, and an alarm module 23 gives an alarm when the abnormality occurs; for example, an alarm is displayed through an LED alarm, and preset codes and information of the alarm are displayed so as to indicate the specific detection sensor 1 of the alarm and/or the position of the sensor; the main alarm function aims at the water immersion condition, the smoke generation condition, the power-on condition, the temperature condition and the humidity condition of each component of the internet of things gateway controller. The abnormity mainly comprises the occurrence of water immersion, the generation of smoke during operation, the occurrence of power failure, overhigh temperature, overhigh humidity and the like. By accessing the detection sensor 1, the abnormal detection of the external environment of the Internet of things gateway controller is realized, the effective operation of the Internet of things gateway controller is effectively guaranteed, and when the abnormal detection occurs, an abnormal data packet is synchronously sent to the Internet of things platform; and informing the Internet of things platform through the abnormal data packet, and informing maintenance personnel to overhaul the Internet of things platform. As shown in fig. 3, the core processor includes: the NXP I.MX6UL processor is based on an ARM Cortex-A7 architecture, runs a main frequency of 528MHz, is configured with 256M RAM and 256M Flash, has a working temperature of-40-85 ℃, is provided with hardware double encryption, and is provided with a double network port, 232, 485, CAN, I2C, SPI and a USB interface. Double network ports: the double-network-port adopts a scheme of KSZ8081RNBIA-TR + H1102NL + RJ45, the KSZ8081RNBIA-TR is a 10/100M Ethernet MAC chip developed by American micro-core company, and is a low-power-consumption and small-package Ethernet solution, the working temperature is-40 to 85 ℃, H1102NL provides network electrostatic protection for a network transformer produced by Pulse company, RJ45 is communicated with external network equipment, and the double-network-port performs software encryption on transmission data by one input and one output; under the condition of network disconnection, the network disconnection condition can be deeply analyzed, and the network fault point can be accurately determined. The USB driving device: the processor converts one path of USB2.0 link into 4 paths of USB external links through a USB2514BI chip, a USB concentrator developed by a USB2514BI microchip company meets outdoor industrial requirements, and 4 paths of USB equipment are respectively connected with a 4G/5G module, a wifi/Bluetooth module and two paths of external USB equipment which can be connected with a USB camera, a mouse and the like. The 4G/5G module can be used for wirelessly transmitting alarm information after power failure. 232/485 Industrial bus interface: the 232 interface adopts an SP3232EEN chip produced by MAXINEAR to convert TTL level of the processor into external RS232 level, and the 485 interface adopts SP3485EN also produced by MAXINEAR. The sensor acquisition control part is based on that the STM32F103C8T6 singlechip is the main control chip, and STM32F103C8T6 singlechip is based on the high performance singlechip of ARM CORTEX-M3 framework, and the dominant frequency can reach 72MHZ at most, and inside is furnished with 128KBFLASH and 20KB operation memory, and the operating temperature-40 ~ 85 degree is fast, the low power consumption, the stable performance, the encapsulation is small, the sexual valence relative altitude than traditional 51 series singlechip processing speed. Collecting sensor information and alarm information: the warning is converted into switching value information through the opto-coupler, and the singlechip carries out the switching value and judges to read information such as outage, water logging, smog, thunderbolt, and 4 ~ 20ma analog information gathers and uses AD conversion chip LM124DR, discerns it into digital signal. Controlling external equipment: the external equipment can realize hardware restart through relay drive control, and the drive chip adopts ULN2004 to realize automatic acquisition control of 8-path external equipment.

The power supply part adopts the power supply combination of a switching power supply and a super capacitor.

Switching power supply: the input power supply is DC5V, and is converted into 3.3V voltage through a switching power supply chip MP2159 to supply power to the processor, the singlechip and each chip; the voltage of 3.3V is converted into 1.8V and 1.35V by an RT9187 linear voltage-stabilizing chip to supply power for the RAM and a Flash chip.

Backup power supply: the super capacitor is selected as a backup power supply, and power failure information is transmitted through a wired or wireless network under the condition of power failure. The circuit adopts an FDS4435 field effect transistor and a BW6101 chip to form an overvoltage and voltage-sharing protection circuit to protect the super capacitor.

According to the multifunctional double-encryption Internet of things gateway controller, the sensor acquisition control module 22 is used for acquiring and analyzing data of the accessed sensor, monitoring of each state of Internet of things equipment is achieved, continuous monitoring and working during power failure are achieved through the super capacitor, and due to the double-network-port design, data transmission is not affected when one network is disconnected.

In one embodiment, the multifunctional dual-encryption internet of things gateway controller further comprises: at least one second temperature sensor, which is arranged at each preset detection position in the shell 2 in a one-to-one correspondence manner and is electrically connected with the sensor acquisition control module 22;

the core processor is arranged in the shell 2 and is in communication connection with the sensor acquisition control module 22;

at least one cooling fan which is embedded on the peripheral side wall of the shell 2 and is electrically connected with the core processor;

wherein, as shown in fig. 2, the cooling fan includes:

a main body 41, wherein fan blades are embedded in the middle of the main body 41;

an annular body 42 fitted around the outer periphery of the main body 41;

a first rotating shaft 43 and a first micro rotating motor 44 which are symmetrically arranged and are arranged between the annular body 42 and the main body 41; the fixed end of the first micro rotating motor 44 is fixedly connected with the ring body 42, and the rotating end is fixedly connected with the main body 41; one end of the first rotating shaft 43 is fixedly connected with the annular body 42, and the other end is rotatably connected with the main body 41;

a second rotating shaft 45 and a second micro rotating motor 46 are symmetrically arranged and arranged between the annular body 42 and the inner wall of the shell 2; the fixed end of the second micro rotating motor 46 is fixedly connected with the shell 2, and the rotating end is fixedly connected with the annular body 42; one end of the first rotating shaft 43 is fixedly connected with the shell 2, and the other end is rotatably connected with the annular body 42;

wherein, the first micro-rotating motor 44 and the second micro-rotating motor 46 are both electrically connected to the core processor;

the core processor performs the following operations:

acquiring a pre-constructed three-dimensional model of temperature detection of the gateway controller;

acquiring a second temperature of each preset detection position through the sensor acquisition control module 22;

inputting the second temperature into the three-dimensional model, and determining a third temperature of each preset temperature monitoring point in the gateway controller;

determining working parameters of the cooling fan based on the third temperature;

controlling the action of the cooling fan based on the working parameters;

the three-dimensional model comprises a plurality of base points which are in one-to-one correspondence with all preset detection positions and secondary points for determining the temperature according to the temperatures of the base points; the secondary point and the base point are temperature monitoring points.

The working principle and the beneficial effects of the technical scheme are as follows:

the three-dimensional model is constructed in advance, the temperature of the actual position of the base point is detected through a plurality of representative base points through a large amount of experimental data, and then the temperature of the secondary point is determined according to the temperature relation between the secondary point and the base points; the base point and the secondary point are both temperature monitoring points for temperature monitoring. Wherein the temperature of the secondary point can be expressed by the formulaCalculating to obtain; in the formula, t_iThe temperature value of the ith secondary point; t is_jThe temperature change value of the jth base point; t is t₀Is the initial value of the temperature of the ith secondary point; alpha is alpha_jThe temperature relation coefficient of the ith secondary point and the jth base point is the temperature of the change of the base point at the secondary point corresponding to the temperature change of one degree centigrade; for example, in a space with the length of 50cm, the width of 20cm and the height of 20cm, 10 base points are selected, and the base points correspond to the positions of all the heating components; the number of the secondary points is 19990, so that the space between the secondary points and the base point is divided into 1cm³The temperature in the housing 2 can be monitored comprehensively only by monitoring the temperature of the base point. Determining working parameters of the cooling fan based on the third temperature; controlling the action of the cooling fan based on the working parameters; according to the actual conditions of the temperature in the casing 2, select the mode of cooling fan, realized that intelligence is according to the work of temperature adjustment cooling fan, working parameter includes: the rotating speed and the blowing direction of the fan blades; the adjustment of the blowing direction is mainly realized by means of the first micro-rotating motor 44 and the second micro-rotating motor 46. For example: when the temperature of all temperature monitoring points is less than the starting threshold value, the cooling fan does not work, and when the temperature is just higher than the starting threshold valueWhen the value is higher than the threshold value, the higher the transmission speed of the fan blade of the cooling fan is, the faster the fan blade is.

In one embodiment, the determining the operating parameter of the cooling fan based on the third temperature includes:

constructing a first vector representing the temperature in the gateway controller based on the third temperature of each temperature monitoring point;

acquiring a preset control library, wherein the second vectors in the control library correspond to the working parameter sets one by one;

matching is carried out on the basis of the first vectors and all second vectors in the control library, and a working parameter set corresponding to the second vectors which are matched and matched is obtained;

and analyzing the working parameter set to determine the working parameters of each cooling fan. A

The working principle and the beneficial effects of the technical scheme are as follows:

by establishing the control library in advance, the working parameter determination is rapidly carried out based on the control library during application. The control library is established according to a second vector and a working parameter set which are established by the temperature of each temperature monitoring point in the historical control scheme; the first vector and the second vector constructed by the current temperature are matched and called. The first vector and the second vector can be constructed in a manner of extracting characteristic values, namely, the temperatures of all temperature monitoring points are arranged in the order of coordinates in a space model, and the characteristic values of the arranged data are extracted; the temperature of each temperature monitoring point can be directly arranged in the order of coordinates in the space model and then normalized to be directly obtained. The working parameter set is internally provided with the working parameters of all cooling fans; for example, the first data in the operation parameter set is the fan blade rotation speed of the fan numbered one, the second data is the target rotation angle of the first micro-rotating motor 44 of the fan numbered one, and the third data is the target rotation angle of the second micro-rotating motor 46 of the fan numbered one; the fourth data is the fan blade rotational speed of the fan numbered two, the fifth data is the target rotational angle of the first micro-rotating motor 44 of the fan numbered two, the sixth data is the target rotational angle of the second micro-rotating motor 46 of the fan numbered two, and so on. When the first vector is matched with the second vector, a similarity matching method may be adopted, that is, a cosine similarity algorithm is adopted to calculate the similarity between the first vector and the second vector, and when the similarity is maximum and is greater than a preset similarity threshold (e.g., 95%), it is determined that the first vector is matched with the second vector.

In one embodiment, the number of the cooling fans is five, and all the cooling fans are arranged on the same side wall; the cooling fans are distributed in a cross shape, the main control fan is positioned in the center of the cross shape, and the auxiliary fans are positioned around the main control fan;

the core processor determines operating parameters of the cooling fan based on the third temperature, including:

determining an abnormal temperature area and a first position in the three-dimensional model corresponding to the geometric center of the abnormal temperature area based on the third temperature of each temperature monitoring point; the third temperature of each temperature monitoring point in the abnormal temperature area is greater than a preset temperature threshold;

acquiring a second position corresponding to the center of the main control fan in the three-dimensional model;

determining a first central vector of the master control fan based on the first position and the second position;

determining a first target angle of the first micro-rotating motor 44 and a second target angle of the second micro-rotating motor 46 of the master fan based on the first center vector;

determining a working plane corresponding to the main control fan based on the central vector and the first position;

mapping the abnormal temperature area to a working plane, and determining a first mapping area;

determining a first working area on a working plane corresponding to the main control fan based on the distance between the first position and the second position and the blowing area parameter of the main control fan;

when the first mapping area is larger than the first working area, determining the maximum circumcircle of the first mapping area;

determining a second working area of the auxiliary fan based on the maximum circumscribed circle and the first working area;

determining a working track point set of the auxiliary fan based on the second working area; the distances between each working track point in the working track point set and the inner edge and the outer edge of the second working area are equal;

acquiring a third position of the center of the auxiliary fan;

determining a second central vector of the auxiliary fan based on the third position and the working track point;

determining a third target angle of the first micro-rotating motor 44 and a fourth target angle of the second micro-rotating motor 46 of the master fan based on the second center vector;

and determining the working parameter set of the auxiliary fan based on the third target angle and the fourth target angle corresponding to each working track point in the working track point set.

The working principle and the beneficial effects of the technical scheme are as follows:

the cooling fan sets up to five to the design is a main four pairs, when the temperature is not very high (just surpass predetermined threshold value for example) and the temperature surpassed the space range of threshold value and does not surpass the main control fan when, only need start the main control fan can, the auxiliary fan only starts when regional big and high temperature, realizes that the auxiliary main control fan cools down, and in addition, the auxiliary fan still has the arc and sweeps the wind function. And determining a first central vector based on a second position of the center of the main control fan in the three-dimensional model and a first position corresponding to the geometric center of the abnormal temperature area, wherein the first central vector is actually a vector of the center of the main control fan perpendicular to the plane of the fan blade, and after the first central vector is determined, a first target angle and a second target angle can be determined according to a preset corresponding table. According to the first target angle and the second target angle, after adjustment, the main control fan blows air to face the geometric center of the temperature abnormal area; wherein the geometric center of the temperature abnormality region is a point at which the variance of the distances to respective points on the edge of the temperature abnormality region is minimum, or an intersection of two straight lines bisecting the temperature abnormality region. And determining a first working area on the working plane corresponding to the main control fan based on the distance between the first position and the second position and the blowing area parameters of the main control fan, wherein the blowing area parameters mainly comprise a central vector, a central second position, a third position of the edge and an edge air-out vector, the central vector and the edge air-out vector are synchronously extended, and the working area on the plane away from each distance of the fan is determined. Determining a second working area of the auxiliary fan based on the maximum circumscribed circle and the first working area; the number of the auxiliary fans is 4, and the auxiliary fans are respectively positioned at the upper part, the lower part, the left part and the right part, so that the space between the maximum circumscribed circle and the first working area can be equally divided into four parts, the four parts are in one-to-one correspondence with the auxiliary fans, and the area of the first mapping area, which is positioned in the space area corresponding to the auxiliary fans, is used as the second working area corresponding to the auxiliary fans; determining a working track point set of the auxiliary fan based on the second working area, and drawing a circular line between the maximum circumscribed circle and the first working area, wherein the radius of the circular line is half of the sum of the maximum circumscribed circle and the radius of the first working area; and (4) performing equidistant adoption on the line segments of the circular line in the second working area to obtain working track points. The first mapping area may not be a regular pattern, that is, there may be a portion without the first mapping area in the space area corresponding to the auxiliary fan, and the corresponding auxiliary fan does not operate at this time. After the track points are determined, a plurality of second central vectors are determined, a plurality of third target angles and a plurality of fourth target angles are determined, arc-shaped air sweeping of the auxiliary fan is achieved through back-and-forth switching of the third target angles and the fourth target angles, and cooling efficiency is improved.

In one embodiment, the multifunctional dual-encryption internet of things gateway controller further comprises:

the wireless communication module is arranged in the shell 2 and is electrically connected with the core processor;

the RFID card reader is arranged in the shell 2 and is electrically connected with the core processor;

the wired communication module is arranged in the shell 2 and is electrically connected with the core processor;

the electronic lock is arranged on the openable cover of the shell 2, is used for locking the cover and is electrically connected with the core processor;

the limit switch is electrically connected with the core processor and used for detecting the opening or closing of the machine cover;

the core processor performs the following operations:

receiving a routing inspection plan sent by the Internet of things platform through a wired communication module;

analyzing the inspection plan, and determining inspection time, inspection personnel information and inspection time required by inspection;

performing machine self-inspection and starting an RFID card reader at the initial time of the inspection time;

reading information in an RFID identity card worn by an inspection worker through an RFID card reader;

when the information in the RFID identity card is matched with the information of the inspection personnel, the wireless communication module is started to be in communication connection with the inspection terminal of the inspection personnel;

after being connected with an inspection terminal of an inspection worker, sending self-inspection information to the inspection terminal;

determining the distance between the RFID identity card and the RFID card reader based on the RFID positioning technology, and controlling the electronic lock to be unlocked when the distance is smaller than a preset distance threshold value;

the timing is started when the limit switch detects that the cover is opened, and the timing is ended when the limit switch detects that the cover is closed, so that the real detection time is obtained;

when the real detection time is less than the detection time, outputting alarm information to the alarm module 23, and enabling the alarm module 23 to work;

when the real inspection time is more than or equal to the inspection time, the information in the RFID identity card, the time of identifying the RFID identity card for the first time and the real inspection time are uploaded to the Internet of things platform through the wired communication module.

The working principle and the beneficial effects of the technical scheme are as follows:

this embodiment mainly uses when patrolling and examining personnel and patrolling and examining, and before patrolling and examining, the thing networking platform sends and patrols and examines the plan, and the core processor is based on patrolling and examining time, patrolling and examining personnel information and inspection time and coordinating patrolling and examining personnel's inspection, has improved intellectuality through patrolling and examining the plan and confirming the time of patrolling and examining, patrolling and examining personnel information and inspection time. The cooperation mainly comprises active self-checking and sends self-checking information to a polling terminal of a polling person; confirmation of the identity of the inspector, and confirmation of the action of the inspector (e.g., inspection time for inspection confirmation of opening a cover).

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.