CN212060936U

CN212060936U - Equipment remote monitoring device

Info

Publication number: CN212060936U
Application number: CN202021228155.8U
Authority: CN
Inventors: 闫军; 刘浩思
Original assignee: Intelligent Interconnection Technologies Co ltd
Current assignee: Smart intercommunication Technology Co.,Ltd.
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-12-01
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses an equipment remote monitoring device relates to the long-range intelligent monitoring field of equipment, crosses as the treater through the singlechip circuit, guarantees system steady operation through inside and outside watchdog. And a serial port is led out from the singlechip circuit and is converted into common interfaces such as RS232 and RS485 through hardware to be communicated with the monitored equipment. And the relay is controlled through the IO of the single chip microcomputer to control the power supply of the monitored equipment. The Ethernet and the GPRS chip are connected through the single chip microcomputer interface, remote communication in two modes is achieved, and stable communication is guaranteed. The temperature and humidity sensor and the GPS chip are connected through the single chip microcomputer interface to detect the operation environment of the equipment. Meanwhile, a rectification voltage stabilizing circuit integrating DC-DC and LDO is arranged outside the single chip microcomputer circuit, so that wide-range voltage input can be realized, and a common switching power supply can be used for realizing remote power supply. And all electronic components are of industrial grade to ensure stable operation in extreme environments.

Description

Equipment remote monitoring device

Technical Field

The utility model relates to an equipment remote maintenance management field especially relates to an equipment remote monitoring device.

Background

In the occasions of urban parking management, traffic management, industrial production and the like, a large amount of equipment needs to automatically operate for a long time, and the situation of long-time unattended operation can occur. In the meantime, if the device fails, the failure may not be found and eliminated in time, and further more problems are caused by linkage. When failure causes are analyzed, many of the failure causes are dead halt or abnormal work of part of chips caused by software BUG or external stimulation such as high and low temperature, static electricity and the like, and most of the failure causes can be solved by restarting equipment. Some faults are also caused by improper equipment setting and can be solved through resetting. However, the above operations may be performed by personnel at the installation site of the equipment, and the installation site of the equipment may be located in remote areas, or may be located in dangerous environments such as high places, high temperatures, low temperatures, and toxicity, or the operation is inconvenient due to the difficulty in disassembling the equipment. Thus leading to long equipment maintenance time, high difficulty and high danger.

A plurality of Ethernet communication modules, GPRS communication modules, relay modules, temperature and humidity sensor modules and other single functional modules are arranged on the market at present, and the functions of remote communication, external equipment control, environment detection and the like can be realized by matching with other equipment. However, the modules are independent from each other, and can only respectively realize a single function, and need to be driven and logically processed by software and hardware of external equipment, and need to be developed for a second time, which results in higher equipment release cost; moreover, because each module is independent, the modules have redundant design, and the cost, the volume and the power consumption are increased; in addition, no voltage stabilizing module is arranged in each module, and an accurate 12V, 5V or 3.3V power supply must be provided for the modules from the outside, and because uncertain voltage drop can be generated on a remote power supply line and accurate voltage cannot be provided, a common switching power supply cannot be used for remote power supply; meanwhile, a plurality of modules are used for wiring respectively, the circuit is complicated, and when the wiring is wrong, the equipment can not work normally or even be burnt.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides an equipment remote monitoring device can solve current equipment supervisory equipment input cost higher, volume and consumption are great, can't use common switching power supply to carry out remote power supply, the too redundant loaded down with trivial details problem of circuit.

In order to achieve the above object, the utility model provides an equipment remote monitoring device, the device includes: the temperature and humidity sensor comprises a singlechip circuit, an RS232 circuit, an RS485 circuit, a relay circuit, an Ethernet circuit, a GPRS and GPS two-in-one circuit, a temperature and humidity sensor circuit and a power supply circuit;

the RS232 circuit and the RS485 circuit are respectively connected with the singlechip circuit through serial ports and are connected with equipment to be monitored through a bus of the RS232 circuit and a bus of the RS485 circuit;

the relay circuit is in communication connection with the single chip microcomputer circuit through IO and is used for controlling the power supply of external equipment to be monitored by controlling the on-off of the relay;

the Ethernet circuit is in communication connection with the singlechip circuit through an SPI bus and is used for communicating with a cloud platform outside the device through Ethernet;

the GPRS and GPS two-in-one circuit is in communication connection with the single chip microcomputer circuit through a serial port and is used for communicating with the cloud platform;

the temperature and humidity sensor circuit is in communication connection with the single chip microcomputer circuit through a 1-wire bus and is used for acquiring environment temperature and humidity information of equipment to be monitored;

the power supply circuit is used for supplying power to each circuit.

Further, the periphery of the single chip circuit includes: the circuit comprises a crystal oscillator circuit, a reset circuit, a filter capacitor, an LED circuit, a burning interface and a watchdog circuit;

the crystal oscillator circuit adopts an external crystal oscillator and is used for stabilizing the single chip microcomputer circuit;

the LED circuit flickers at a fixed frequency and is used for judging whether the single chip microcomputer normally operates during production and debugging;

the burning interface is used for quickly burning a program during production;

the watchdog circuit and the built-in watchdog of the singlechip are used for detecting the singlechip circuit.

Further, the relay circuit comprises a relay control chip, a plurality of relays and a power supply protection circuit;

the relay control chip is communicated with the single chip microcomputer circuit through IO and used for controlling the on-off of the relay; the power supply protection circuit comprises a self-recovery fuse for preventing the protection device from failing in the monitored equipment.

Further, the ethernet circuit adopts an ethernet PHY chip, and the single chip microcomputer circuit communicates with the ethernet PHY chip through an SPI bus.

Furthermore, the external circuit of the ethernet circuit includes a filter capacitor, a crystal oscillator circuit, a configuration circuit, and an RJ45 interface;

the Ethernet PHY chip converts the SPI signal into an MDI signal and transmits the MDI signal to an RJ45 network port. And the RJ45 network port is connected to a public network through a network cable and is used for the communication between the single chip microcomputer circuit and the cloud platform.

Furthermore, the GPRS and GPS two-in-one circuit adopts a GPS and GPRS two-in-one chip, and the single chip microcomputer circuit is in communication connection with the GPRS and GPS two-in-one chip through a serial port and is used for communicating with a cloud platform.

Furthermore, an external circuit of the GPS and GPRS two-in-one chip comprises a SIM card interface and an IPEX antenna interface;

the SIM card interface is used for inserting an SIM card and is used for the device to carry out GPRS communication;

and 2 IPEX antenna interfaces are used for respectively plugging a GPS antenna and a GPRS antenna.

Further, the single chip microcomputer circuit is connected with a public network through a 2G network GPRS through an account number inserted into the SIM card interface and is used for communicating with a cloud platform.

Furthermore, the IPEX antenna interface is used for acquiring GPS information through a GPS antenna and sending the GPS information to the single chip microcomputer circuit through a serial port.

Further, the power supply circuit includes a DC-DC circuit and an LDO circuit;

the DC-DC circuit is wide-voltage input and used for outputting 5V voltage, outputting 3.3V voltage through the LDO circuit and supplying power for other circuits in the device.

The utility model provides a pair of equipment remote monitoring device, through the singlechip circuit as the treater, through inside and outside watchdog assurance system steady operation. And a serial port is led out from the singlechip circuit and is converted into common interfaces such as RS232 and RS485 through hardware to be communicated with the monitored equipment. And the relay is controlled through the IO of the single chip microcomputer to control the power supply of the monitored equipment. The Ethernet and the GPRS chip are connected through the single chip microcomputer interface, remote communication in two modes is achieved, and stable communication is guaranteed. The temperature and humidity sensor and the GPS chip are connected through the single chip microcomputer interface to detect the operation environment of the equipment. Meanwhile, a rectification voltage stabilizing circuit integrating DC-DC and LDO is arranged outside the single chip microcomputer circuit, so that wide-range voltage input can be realized, and a common switching power supply can be used for realizing remote power supply. And all electronic components are of industrial grade to ensure stable operation in extreme environments.

Drawings

Fig. 1 is a schematic diagram of an internal circuit of an apparatus remote monitoring device provided by the present invention;

fig. 2 is a circuit diagram of the single chip circuit and the external circuit provided by the present invention;

fig. 3 is a circuit diagram of a watchdog in an external circuit corresponding to the single chip microcomputer circuit;

fig. 4 is a circuit diagram of an LED in an external circuit corresponding to the single chip circuit provided by the present invention;

fig. 5 is a circuit diagram of RS232 provided by the present invention;

fig. 6 is a circuit diagram of RS485 provided by the present invention;

fig. 7 is a circuit diagram of a relay provided by the present invention;

fig. 8 is a circuit diagram of an ethernet circuit and its external circuits provided by the present invention;

fig. 9 is a circuit diagram of a GPS and GPRS two-in-one circuit provided by the present invention;

FIG. 10 is a circuit diagram of an SIM card interface in the external circuit of the GPS and GPRS two-in-one circuit provided by the present invention;

fig. 11 is a DC-DC circuit diagram provided by the present invention;

fig. 12 is a circuit diagram of an LDO provided by the present invention.

Detailed Description

The structure and implementation of the device of the present invention will be described in further detail with reference to the accompanying drawings and examples.

The utility model provides an equipment remote monitoring device, as shown in FIG. 1, specifically include: the device comprises a single chip microcomputer circuit 11, an RS232 circuit 12, an RS485 circuit 13, a relay circuit 14, an Ethernet circuit 15, a GPRS and GPS two-in-one circuit 16, a temperature and humidity sensor circuit 17 and a power supply circuit 18. The singlechip circuit comprises required burning software.

The main working principle of the utility model is as follows: the single chip circuit is mainly responsible for communicating with the monitored equipment through an RS232 or RS485 interface circuit so as to detect whether the equipment operates normally or not and set the equipment. The Ethernet circuit and the GPRS circuit are communicated with the cloud platform, the state of the equipment is fed back, and the instruction of the cloud platform can be received to set the equipment. The power supply of the external equipment is controlled through the relay circuit, and the cloud platform can be commanded to restart. And acquiring environment information through a temperature and humidity sensor and a GPS circuit, and reporting the environment information to the cloud platform.

The single chip microcomputer circuit 11 and the external circuit are shown in fig. 2, the single chip microcomputer is a commercially available single chip microcomputer, and the periphery of the single chip microcomputer comprises a crystal oscillator circuit 1103, a reset circuit 1104, a filter capacitor 1101 and a burning interface 1102; LED circuitry and watchdog circuitry may also be included. The watchdog circuit is shown in fig. 3 and the LED circuit is shown in fig. 4. For stable operation of the system, an external crystal oscillator is used. The LED flickers at a fixed frequency and is used for judging whether the singlechip normally operates during production and debugging. The burning interface is used for quickly burning a program during production. The watchdog circuit and the built-in watchdog of the singlechip are used for detecting whether the singlechip system normally operates, and if the singlechip system is abnormal due to external stimulation, the singlechip can be restarted to ensure that the program normally operates.

To the embodiment of the utility model provides a, the RS232 circuit is as shown in figure 5, and the RS232 circuit is controlled through the singlechip. The single chip microcomputer is connected with the RS232 circuit through a serial port and then connected with monitored equipment through an RS232 bus. The single chip microcomputer can communicate with the equipment through a set protocol, the running state of the equipment is read, and fault detection is achieved. The device may also be set up by a protocol.

To the embodiment of the utility model provides a, the RS485 circuit is as shown in figure 6, and the RS485 circuit is controlled through the singlechip. The single chip microcomputer is connected with the RS485 circuit through a serial port and then connected with monitored equipment through an RS485 bus. Considering that the RS485 bus has a longer transmission distance and interference is easy to occur on a transmission line, the optical coupler is adopted for isolation, and an ESD device is added for filtering and protecting. The single chip microcomputer can communicate with the equipment through a set protocol, the running state of the equipment is read, and fault detection is achieved. The device may also be reset by the protocol.

To the embodiment of the utility model provides a, RS232 and RS485 circuit are the communication interface commonly used of equipment, and both are contained simultaneously in this design, can select to use according to supervisory equipment's interface type.

For the embodiment of the present invention, the relay circuit 14 includes a relay control chip 1401, a plurality of relays, and a power supply protection circuit 1402, as shown in fig. 7. The single chip microcomputer is communicated with the relay control chip through IO, and therefore the on-off of the relay is controlled. And the power supply of the external equipment is controlled through the on-off of the relay, so that the restarting operation of the monitored equipment is realized. The external power supply interface has self-recovery insurance, prevents the condition that the electric current is too big when the supervisory equipment trouble from appearing to protection equipment and power.

To the embodiment of the present invention, the ethernet circuit 15 adopts an ethernet PHY chip 1501, and the external circuit includes a filter capacitor 1501, a crystal oscillator circuit 1502, a configuration circuit 1503, and an RJ45 interface 1504, as shown in fig. 8. The singlechip communicates with the Ethernet PHY chip through the SPI bus, and the Ethernet PHY chip converts the SPI signal into an MDI signal and transmits the MDI signal to the RJ45 network port. RJ45 net gape is connected to the public network through the net twine, and the singlechip can communicate with the cloud platform through ethernet.

To the embodiment of the present invention, the two-in-one circuit 16 of GPS and GPRS adopts two-in-one chip 1601 of GPS and GPRS, as shown in fig. 9, and the external circuit includes a SIM card interface and an IPEX antenna interface 1602, wherein the IPEX antenna interface is as shown in fig. 9, and the SIM card interface is as shown in fig. 10. If the GPRS communication function is used, the SIM card seat needs to be inserted with the SIM card. And 2 IPEX seats are respectively connected with a GPS antenna and a GPRS antenna. The single chip microcomputer is communicated with the chip through a serial port, the chip is connected with a public network through a 2G network GPRS (general packet radio service) by using an account number of the inserted SIM card, and therefore communication between the single chip microcomputer and a cloud platform is achieved. The chip can also acquire GPS information through a satellite and send the GPS information to the single chip microcomputer through a serial port.

To the utility model discloses the embodiment, ethernet and GPRS all can connect cloud platform, and this design includes both simultaneously. When the device is used, one of the devices can be selected or selected completely, the communication stability can be improved when the device is selected completely, and the device can communicate with the cloud platform as long as one of the devices is smooth.

To the utility model discloses the embodiment, the temperature and humidity sensor circuit is a temperature and humidity sensor. The single chip microcomputer is communicated with the single chip microcomputer through a 1-wire bus and acquires temperature and humidity information of the environment.

To the utility model discloses embodiment, power supply circuit includes the DC-DC circuit, as shown in FIG. 11, and the LDO circuit, as shown in FIG. 12, the DC-DC circuit is wide voltage input, increases the flexibility and the security of power selection, later accurate output 5V voltage to through the accurate output 3.3V voltage of LDO circuit, for other circuit power supplies.

The utility model provides a pair of equipment remote monitoring device, through singlechip circuit as the treater, through inside and outside watchdog assurance system steady operation. And leading out a serial port, and converting the serial port into common interfaces such as RS232 and RS485 through hardware to communicate with the monitored equipment. And the relay is controlled through the IO of the single chip microcomputer to control the power supply of the monitored equipment. The Ethernet and the GPRS chip are connected through the single chip microcomputer interface, remote communication in two modes is achieved, and stable communication is guaranteed. The temperature and humidity sensor and the GPS chip are connected through the single chip microcomputer interface to detect the operation environment of the equipment. The periphery is provided with a rectifying and voltage stabilizing circuit integrating DC-DC and LDO, wide-range voltage input can be realized, and a common switching power supply can be used for realizing remote power supply. And all electronic components are of industrial grade to ensure stable operation in extreme environments.

Meanwhile, based on the description of the above embodiment the utility model discloses a circuit, the embodiment of the utility model discloses still contains following beneficial effect: 1. the device can be remotely monitored, the device fault can be timely found, and the cloud platform is matched to remind people who are first closed; 2. the equipment can be remotely operated, so that the workload of personnel is reduced, and the working difficulty and danger are reduced; 3. the fault analysis method can help related personnel to better analyze the fault by recording the equipment information and the environmental information; 4. the system has a plurality of self-checking mechanisms and communication mechanisms to ensure stable operation and communication; 5. the industrial design can normally operate under extreme conditions of high temperature, low temperature, high humidity and the like; 6. the voltage input in a wide range can improve the flexibility and the safety of power supply, and a protection circuit is arranged for external power supply, so that monitored equipment is safer; 7. the system has various communication interfaces, can be flexibly selected according to the needs and can also be used for secondary development; 8. low cost, small occupied space and simple installation.

It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be arranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.

In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, the invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. To those skilled in the art; various modifications to these embodiments will be readily apparent, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".

Those of skill in the art will also appreciate that the various illustrative logical blocks, units, and steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate the interchangeability of hardware and software, various illustrative components, elements, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present embodiments.

The various illustrative logical blocks, or elements described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a digital signal processor, an Application Specific Integrated Circuit (ASIC), a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.

The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. For example, a storage medium may be coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC, which may be located in a user terminal. In the alternative, the processor and the storage medium may reside in different components in a user terminal.

In one or more exemplary designs, the functions described above in the embodiments of the present invention may be implemented in hardware, software, firmware, or any combination of the three. If implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media that facilitate transfer of a computer program from one place to another. Storage media may be any available media that can be accessed by a general purpose or special purpose computer. For example, such computer-readable media can include, but is not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to carry or store program code in the form of instructions or data structures and which can be read by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor. Additionally, any connection is properly termed a computer-readable medium, and, thus, is included if the software is transmitted from a website, server, or other remote source via a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wirelessly, e.g., infrared, radio, and microwave. Such discs (disk) and disks (disc) include compact disks, laser disks, optical disks, DVDs, floppy disks and blu-ray disks where disks usually reproduce data magnetically, while disks usually reproduce data optically with lasers. Combinations of the above may also be included in the computer-readable medium.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An apparatus for remote monitoring of a device, the apparatus comprising: the temperature and humidity sensor comprises a singlechip circuit, an RS232 circuit, an RS485 circuit, a relay circuit, an Ethernet circuit, a GPRS and GPS two-in-one circuit, a temperature and humidity sensor circuit and a power circuit;

the power supply circuit is used for supplying power to each circuit.

2. The device remote monitoring apparatus according to claim 1, wherein the peripheral circuits of the single chip microcomputer circuit include a crystal oscillator circuit, a reset circuit, a filter capacitor, an LED circuit, a burning interface, and a watchdog circuit;

the burning interface is used for quickly burning a program during production;

the watchdog circuit and the built-in watchdog circuit of the single chip microcomputer are used for detecting the single chip microcomputer circuit.

3. The device remote monitoring device according to claim 2, wherein the relay circuit comprises a relay control chip, a plurality of relays and a power supply protection circuit;

the relay control chip is communicated with the single chip microcomputer circuit through IO and used for controlling the on-off of the relay;

the power supply protection circuit comprises a self-recovery fuse for preventing the protection device from failing in the monitored equipment.

4. The device remote monitoring apparatus according to claim 3, wherein the ethernet circuit employs an ethernet PHY chip, and the single chip circuit communicates with the ethernet PHY chip via the SPI bus.

5. The device remote monitoring apparatus according to claim 4, wherein the external circuit of the ethernet circuit comprises a filter capacitor, a crystal oscillator circuit, a configuration circuit and an RJ45 interface;

the Ethernet PHY chip converts the SPI signal into an MDI signal and transmits the MDI signal to an RJ45 network port;

and the RJ45 network port is connected to a public network through a network cable and is used for the communication between the single chip microcomputer circuit and the cloud platform.

6. The device remote monitoring device according to claim 5, wherein the GPRS and GPS two-in-one circuit employs a GPS and GPRS two-in-one chip, and the single chip microcomputer circuit is in communication connection with the GPRS and GPS two-in-one chip through a serial port, and is used for communication with a cloud platform.

7. The device remote monitoring apparatus according to claim 6, wherein the external circuit of the GPS and GPRS two-in-one chip includes a SIM card interface and an IPEX antenna interface;

8. The device remote monitoring apparatus according to claim 7, wherein the one-chip microcomputer circuit is connected to a public network through a 2G network GPRS through a SIM card account inserted into the SIM card interface, and configured to communicate with a cloud platform.

9. The device remote monitoring apparatus according to claim 7, wherein the IPEX antenna interface is configured to obtain GPS information via a GPS antenna and send the GPS information to the one-chip microcomputer circuit via a serial port.

10. The device remote monitoring apparatus according to any one of claims 1 to 9, wherein said power circuit comprises a DC-DC circuit and an LD0 circuit;

the DC-DC circuit is wide-voltage input and is used for outputting 5V voltage, outputting 3.3V voltage through the LD0 circuit and supplying power to other circuits in the device.