CN113282026B - Mining information acquisition and fault diagnosis device and method - Google Patents

Mining information acquisition and fault diagnosis device and method Download PDF

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Publication number
CN113282026B
CN113282026B CN202110413271.XA CN202110413271A CN113282026B CN 113282026 B CN113282026 B CN 113282026B CN 202110413271 A CN202110413271 A CN 202110413271A CN 113282026 B CN113282026 B CN 113282026B
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fault diagnosis
circuit
external sensor
information acquisition
mining
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CN113282026A (en
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张达
纪浩
冀虎
闫魏力
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BGRIMM Technology Group Co Ltd
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BGRIMM Technology Group Co Ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24215—Scada supervisory control and data acquisition

Abstract

The invention relates to a mining information acquisition and fault diagnosis device and method, wherein the device comprises: the external sensor information acquisition and diagnosis unit is used for detecting the connection state information and the working state information of the external sensor and acquiring the detection information of the external sensor; the monitoring unit is used for monitoring the state information of the device; the communication unit is used for establishing communication connection between the device and the outside; the control unit is used for performing fault diagnosis on the external sensor according to the connection state information and the working state information to obtain a first diagnosis result, performing self fault diagnosis according to the self state information to obtain a second diagnosis result, generating a data packet according to the connection state information, the working state information, the detection information of the external sensor, the self state information, the first diagnosis result and the second diagnosis result, and sending the data packet to the outside, so that the dimension and the integrity of the monitored data are improved, and the reliability of the data is improved.

Description

Mining information acquisition and fault diagnosis device and method
Technical Field
The invention relates to the technical field of fault diagnosis, in particular to a mining information acquisition and fault diagnosis device and a mining information acquisition and fault diagnosis method.
Background
The information acquisition is an important component of digital and intelligent construction, a networking system can be constructed by adopting the technologies of a sensor technology, a communication technology, an electronic technology, an Internet of things technology, computer application and the like, and the sensing terminal provides real-time information acquisition and receives external control instructions and provides data support for production and application of the industry.
The sensing terminal is a terminal device and a key device in the sensing system of the internet of things, external information needs to be acquired by the sensing terminal and sent to the outside, and the sensing system of the internet of things can acquire data. The perception terminal is used as a source of data, and if the perception terminal is abnormal and a fault state is not identified or cannot be obtained, the reliability of the data of the whole system cannot be guaranteed.
In the field of industrial application, the sensing terminal is often used in working scenes with severe working conditions, difficult wiring, few monitoring points and high wiring cost, for example, in the working environment of mining, on-site personnel and vehicles frequently move, and due to the activities such as construction and operation, the conditions of equipment line damage, external force impact on equipment, network disconnection and power failure and the like often occur, so that the sensing terminal is abnormal and the reliable performance of data acquisition and safety evaluation cannot be ensured.
Disclosure of Invention
The present application is made based on the recognition and study of the following problems by the inventors:
related art provides an intelligent diagnosis device, which comprises a processor, a memory, a communication component and a data acquisition component. Wherein, the data acquisition subassembly is used for gathering equipment data, the treater is connected with the data acquisition subassembly, be used for diagnosing equipment data, obtain the diagnosis result, the memory is connected with the treater, be used for saving the diagnosis result, the communication subassembly is connected with the treater, be used for sending the diagnosis result to the assigned position, thereby do not need fortune dimension personnel to inspect the mill equipment by oneself, only need according to the diagnosis result to the equipment that breaks down overhaul can, very big operating pressure who has alleviateed fortune dimension personnel, fortune dimension expense and fortune dimension work load have been reduced simultaneously, the fortune dimension efficiency of mill has been improved.
However, the intelligent diagnosis device is powered by a battery, that is, the main power supply is a battery, once the main power supply fails, the device cannot operate normally, and when the device is abnormal in operation due to power failure or insufficient electric quantity of the main power supply, the device may fail to provide data acquisition and diagnosis functions due to loss of operation capability, and a user cannot acquire a reason of the failure of the device. In addition, the intelligent diagnosis device only provides diagnosis for external equipment, and does not monitor and diagnose the running state of the device, and if the intelligent diagnosis device has running faults, the acquired data and the diagnosis result are unreliable.
Technical problem to be solved
In view of the defects and shortcomings of the prior art, the invention provides a mining information acquisition and fault diagnosis device and method, which are used for acquiring and diagnosing the running state of equipment of the device while performing fault diagnosis on an external sensor, packaging the acquired data, the running state, fault codes and real-time into a same frame data packet, and sending the data to the outside, perfecting the dimension and integrity of the monitored data, improving the reliability of the data, and solving the technical problems that the existing sensor acquisition and monitoring equipment in severe working conditions such as mines and mines often faces faults caused by construction, rock wall fracture and falling, water seepage and leakage and the like, and the fault causes can not be diagnosed.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
in a first aspect, an embodiment of the present invention provides a mining information acquisition and fault diagnosis apparatus, including: the external sensor information acquisition and diagnosis unit is used for detecting the connection state information and the working state information of the external sensor; the monitoring unit is used for monitoring the state information of the mining information acquisition and fault diagnosis device; the communication unit is used for establishing communication connection between the mining information acquisition and fault diagnosis device and the outside; the control unit is respectively connected with the external sensor information acquisition and diagnosis unit, the monitoring unit and the communication unit, carries out fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, carries out self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result, generates a data packet according to the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result, and sends the data packet to the outside through the communication unit.
According to the mining information acquisition and fault diagnosis device provided by the embodiment of the invention, the connection state information and the working state information of the external sensor are detected by the external sensor information acquisition and diagnosis unit, the detection information of the external sensor is acquired, the self state information of the mining information acquisition and fault diagnosis device is monitored by the monitoring unit, so that the control unit can carry out fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, carry out self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result, pack the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result into a data packet, send the data packet to the outside, acquire and diagnose the equipment running state of the device while acquiring and diagnosing the information of the external sensor, send the data packet to the outside into the same protocol packet in real-time, improve the production reliability and maintenance efficiency of the monitoring system.
Optionally, according to an embodiment of the invention, the monitoring unit comprises:
the mining information acquisition and fault diagnosis device comprises a collision detection circuit, a fault diagnosis circuit and a fault diagnosis circuit, wherein the collision detection circuit is used for detecting whether the mining information acquisition and fault diagnosis device collides and falls to generate collision detection information, the collision detection circuit detects an acceleration range of 0g to +/-16 g, and the collision detection information at least comprises one of a collision direction, a collision acceleration and a collision time;
the voltage monitoring circuit is used for monitoring the power supply condition of the mining information acquisition and fault diagnosis device;
temperature and humidity monitoring circuit, temperature and humidity monitoring circuit is used for monitoring mining information acquisition and failure diagnosis device's internal environment humiture, temperature and humidity monitoring circuit is when 5 ℃ to 80 ℃, and monitoring degree of accuracy deviation scope 0.3 ℃, temperature and humidity monitoring circuit is when temperature-25 ℃ to 110 ℃, and monitoring degree of accuracy deviation scope 0.4 ℃, temperature and humidity monitoring circuit is when relative humidity 20% to 60%, and monitoring degree of accuracy deviation scope 3%RH, temperature and humidity monitoring circuit is when relative humidity 0% to 100%, and monitoring degree of accuracy deviation scope 5%.
Optionally, according to an embodiment of the present invention, the external sensor information collecting and diagnosing unit includes: a sensor interface for connecting the external sensor; the circuit diagnosis circuit is used for detecting the circuit connection condition of the external sensor, the circuit diagnosis circuit identifies the faults of short circuit, open circuit and poor contact of the circuit by detecting the circuit resistance, and the resistance detection range of the circuit diagnosis circuit is 0 omega to 200k omega; the core diagnosis circuit is used for detecting the core state of the external sensor and identifying the core state of the external sensor at least through one of excitation response, command response and signal quality monitoring.
Optionally, according to an embodiment of the present invention, the mining information collection and fault diagnosis apparatus further includes: the mining information acquisition and fault diagnosis device comprises a power supply circuit and an energy storage circuit, wherein the power supply circuit is used for supplying power to the mining information acquisition and fault diagnosis device according to an external power supply and charging the energy storage circuit, the energy storage circuit supplies power to the mining information acquisition and fault diagnosis device through the power supply circuit when the external power supply is powered off, the range of electric quantity stored by the energy storage circuit is 0.05 joule to 18 joules, and when the external power supply does not have output current, the electric quantity continuously output by the energy storage circuit is not lower than 0.05 joule.
Optionally, according to an embodiment of the present invention, the working modes of the mining information collection and fault diagnosis apparatus include a periodic monitoring mode, an interaction detection mode, and an event trigger mode.
Optionally, according to an embodiment of the present invention, when the mining information collecting and fault diagnosing apparatus operates in the periodic monitoring mode or the interactive detection mode, the control unit is further configured to obtain an electric quantity of the energy storage circuit, determine whether the electric quantity of the energy storage circuit is normal, obtain the electric quantity of the power supply circuit when the electric quantity of the energy storage circuit is normal, and determine whether the electric quantity of the power supply circuit is normal; if the electric quantity of the power supply circuit is abnormal, recording the current time as a first time; if the electric quantity of the power supply circuit is normal, acquiring the connection state information of the external sensor, and further judging whether the transmission line of the external sensor is normal according to the connection state information of the external sensor; if the transmission line of the external sensor is normal, directly acquiring the detection information of the external sensor, recording the current time as the first time, further judging the working state of the external sensor according to the detection information of the external sensor, and acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device; if the transmission line of the external sensor is abnormal, recording the current time as a first time, and acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device; after the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device are obtained, recording the current time as a second time, and obtaining the communication signal quality between the mining information acquisition and fault diagnosis device and the outside; according to the first time, the working state information of the external sensor and the connection state information of the external sensor, fault diagnosis is carried out on the external sensor to obtain a first diagnosis result, fault diagnosis is carried out on the external sensor according to the electric quantity of the energy storage circuit, the electric quantity of the power supply circuit, the first time, the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device and the communication signal quality to obtain a second diagnosis result, and a same frame of heartbeat protocol packet is generated according to the second time, the first diagnosis result, the second diagnosis result, the first time, the state information of the external sensor, the connection state information of the external sensor, the electric quantity of the energy storage circuit, the electric quantity of the power supply circuit, the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device and the communication signal quality and is sent to the outside.
Optionally, according to an embodiment of the present invention, when the mining information collection and fault diagnosis device operates in the event trigger mode, the control unit is further configured to obtain collision detection information of the mining information collection and fault diagnosis device, and obtain a collision direction and a collision magnitude according to the collision detection information; when the electric quantity of the energy storage circuit is normal, recording the current time as third time, carrying out self fault diagnosis according to the collision direction and the collision magnitude, the electric quantity of the energy storage circuit and the third time to obtain a second diagnosis result, and sending the collision direction and the collision magnitude, the electric quantity of the energy storage circuit, the third time and the second diagnosis result to the outside.
Optionally, according to an embodiment of the present invention, when the mining information collection and fault diagnosis apparatus operates in the event trigger mode, the control unit is further configured to obtain an electric quantity of the energy storage circuit, and record a current time as a fourth time when the electric quantity of the energy storage circuit is determined to be lower than a preset electric quantity threshold; and performing self fault diagnosis according to the electric quantity of the energy storage circuit and the fourth time to obtain a second diagnosis result, and sending the electric quantity of the energy storage circuit, the fourth time and the second diagnosis result to the outside.
In a second aspect, an embodiment of the present invention provides a mining information acquisition and fault diagnosis method, including the following steps: detecting connection state information and working state information of an external sensor, and collecting detection information of the external sensor; monitoring the state information of the mining information acquisition and fault diagnosis device; performing fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, and performing self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result; and generating a data packet according to the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result, and sending the data packet to the outside.
The mining information acquisition and fault diagnosis method provided by the embodiment of the invention can acquire and diagnose the equipment running state of the device while acquiring and diagnosing the information of the external sensor, pack the acquired data, the running state and the fault diagnosis result into the same frame data packet in real time, and send the data packet to the outside, thereby improving the dimension and integrity of the monitored data, improving the reliability of the data, further greatly reducing the maintenance difficulty of the monitoring system, reducing the operation and maintenance cost, improving the production efficiency and ensuring the reliable production.
Optionally, according to an embodiment of the present invention, the state information of the mining information collection and fault diagnosis device includes collision detection information of the mining information collection and fault diagnosis device, a power supply condition, an internal environment temperature and humidity, and a communication signal quality between the mining information collection and fault diagnosis device and the outside.
(III) advantageous effects
The invention has the beneficial effects that: the mining information acquisition and fault diagnosis device and method provided by the embodiment of the invention can acquire and diagnose the equipment running state of the device while acquiring and diagnosing the information of the external sensor, pack the acquired data, the running state and the fault diagnosis result into the same frame of protocol packet in real time, and send the protocol packet to the outside, thereby improving the dimension and integrity of the monitored data, improving the reliability of the data, further greatly reducing the maintenance difficulty of the monitoring system, reducing the operation and maintenance cost, improving the production efficiency and ensuring the reliable production.
The device is simple in structure and convenient to operate, detection information of the external sensor is acquired through the monitoring circuit, the diagnosis model and the internet of things, real-time monitoring and fault diagnosis of the operation conditions of the core body of the external sensor, the sensor cable and the device are achieved, and therefore the device is convenient to use and maintain, and maintenance personnel can master the operation state of the device in real time, find potential risks, locate fault causes and conduct maintenance work in time.
In addition, the invention realizes instant alarm of events which may cause equipment failure, such as collision events, avoids the failure diagnosis and report caused by the loss of operation or communication capability due to further damage of the device, and simultaneously can immediately identify the insufficient energy storage capacity and immediately and actively send the insufficient energy storage capacity to the outside when the energy storage capacity is reduced to a low-capacity threshold value, thereby avoiding the failure information from being effectively reported due to the over-low or exhausted follow-up capacity, and greatly improving the monitoring reliability.
Drawings
Fig. 1 is a block diagram schematically illustrating a mining information collection and fault diagnosis apparatus according to an embodiment of the present invention;
FIG. 2 is a block diagram of a mining information collection and fault diagnosis apparatus according to an embodiment of the present invention;
FIG. 3 is a flow chart of a mining information collection and fault diagnosis method according to an embodiment of the invention;
FIG. 4 is a flow diagram illustrating the initiation of a monitoring and diagnostic routine upon interactive triggering or periodic expiration, according to one embodiment of the present invention;
FIG. 5 is a flow diagram of the initiation of collision detection and warning by a collision event according to one embodiment of the present invention;
fig. 6 is a flow diagram of initiating a power down alarm via a low battery event of the tank circuit, in accordance with one embodiment of the present invention.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
The mining information acquisition and fault diagnosis device and method provided by the embodiment of the invention can detect the connection state information and the working state information of the external sensor, acquire the detection information of the external sensor, monitor the self state information of the mining information acquisition and fault diagnosis device, perform fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, perform self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result, and package the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result into a data packet to be transmitted to the outside, thereby acquiring and diagnosing the equipment running state of the device, packaging the acquired data, the running state and the fault diagnosis result into the same frame protocol packet in real time, and transmitting the protocol packet to the outside, perfecting the dimensionality and integrity of the monitored data, improving the maintainability of the monitored data, greatly reducing the production cost and ensuring the production reliability.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The mining information acquisition and fault diagnosis device and the mining information acquisition and fault diagnosis method according to the embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a block diagram schematically illustrating a mining information collection and fault diagnosis apparatus according to an embodiment of the present invention. As shown in fig. 1, the mining information collection and fault diagnosis apparatus 100 includes an external sensor information collection and diagnosis unit 10, a monitoring unit 20, a communication unit 30, and a control unit 40.
The external sensor information collecting and diagnosing unit 10 is configured to detect connection status information and operation status information of the external sensor, and collect detection information of the external sensor.
Optionally, in one embodiment of the present invention, the external sensor information collection and diagnosis unit 10 includes a sensor interface, a line diagnosis circuit, and a core diagnosis circuit. The sensor interface is used for connecting an external sensor, the line diagnosis circuit is used for detecting the line connection condition of the external sensor, and the core body diagnosis circuit is used for detecting the core body state of the external sensor.
Specifically, the line diagnosis circuit can adopt an MOS tube and a resistor to form a resistance detection loop, the MOS tube is controlled to be connected into a sensor transmission line loop in an on-off mode, the resistance voltage is obtained by connecting a resistance voltage divider into a control unit such as an analog-to-digital converter in a microcontroller, and the resistance of the sensor line is calculated, so that the line connection condition is judged; the core diagnostic circuit can adopt a serial interface and a communication protocol to execute read instruction and write instruction operations on the external sensor, and judge the core state of the sensor according to the feedback protocol result, for example, a microcontroller collects a response signal, thereby judging the core state of the external sensor.
The monitoring unit 20 is used for monitoring the self state information of the mining information acquisition and fault diagnosis device.
Optionally, as an embodiment, as shown in fig. 2, the monitoring unit 20 includes a collision detection circuit 201, a voltage monitoring circuit 202, and a temperature and humidity monitoring circuit 203.
The collision detection circuit 201 is configured to detect whether the mining information collection and fault diagnosis device collides and falls to generate collision detection information.
Specifically, in an example of the present invention, the collision detection circuit may adopt a three-axis accelerometer and a peripheral circuit, for example, an LIS3DH, a resistor and a capacitor are selected to form the collision detection circuit, and the IIC serial communication bus is connected to the control unit 40, for example, a microcontroller, so that acceleration monitoring in three directions can be achieved, and the collision direction and strength can be determined.
Optionally, according to an embodiment of the present invention, as shown in fig. 2, the mining information collection and fault diagnosis apparatus further includes a power circuit 50 and a tank circuit 60. The power circuit 50 is used for supplying power to the mining information acquisition and fault diagnosis device according to an external power supply and charging the energy storage circuit 60, and the energy storage circuit 60 supplies power to the mining information acquisition and fault diagnosis device through the power circuit when the external power supply is powered off.
Specifically, the power circuit 50 may include a power supply, a voltage conversion circuit, and an external power interface. The power supply can adopt an external power supply, such as a solar battery, and can also adopt an internal battery, such as an alkaline battery. The voltage conversion circuit can be realized by adopting a low dropout linear regulator, such as HT7333, an input capacitor and an output capacitor, and can ensure stable output voltage of 3.3V and maximum current of 250mA.
The energy storage circuit 60 may adopt a farad capacitor, for example, a farad capacitor of 0.5F or 6V and a current limiting resistor are selected to realize energy storage, so as to ensure that the device can still complete monitoring, fault diagnosis, information reporting and data storage under the condition that an external power supply cannot supply power due to abnormality or line fault.
The voltage monitoring circuit 202 is used for monitoring the power supply condition of the mining information acquisition and fault diagnosis device.
Optionally, the voltage monitoring circuit in this embodiment includes a main power supply voltage acquisition circuit and an energy storage element voltage acquisition circuit. The main power supply voltage acquisition circuit can adopt a multi-resistor series voltage division mode, the main power supply voltage is obtained through an analog-to-digital converter in a microcontroller, and the energy storage element voltage acquisition circuit can adopt a voltage monitoring chip, such as BL8506-32, to realize that the voltage of the energy storage element is reduced and the alarm event is triggered due to overrun.
The temperature and humidity monitoring circuit 203 is used for monitoring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device.
Specifically, the temperature and humidity monitoring circuit 203 in this embodiment may adopt a digital humidity sensor integrated with a temperature sensor and a peripheral circuit, and if the digital humidity sensor and the peripheral circuit are formed by an HDC1080 and a capacitor, the temperature and humidity monitoring circuit is connected to the microcontroller through an IIC serial communication bus, and the temperature and humidity monitoring with a relative humidity accuracy of ± 2% and a temperature accuracy of ± 0.2 ℃ can be realized.
In the embodiment of the present invention, the communication unit 30 is used for establishing a communication connection between the mining information collection and fault diagnosis device and the outside.
Specifically, the communication unit 30 may adopt an industrial serial bus communication module or a wireless module, such as an AW516 Zigbee module, for monitoring the strength of the wireless communication signal, sending alarm, data, and operation status information to the outside, and receiving an external instruction.
As shown in fig. 1, the control unit 40 is connected to the external sensor information collecting and diagnosing unit 10, the monitoring unit 20 and the communication unit 30, respectively, and the control unit 40 performs fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, performs self fault diagnosis according to the self state information of the mining information collecting and fault diagnosing apparatus to obtain a second diagnosis result, generates a data packet according to the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information collecting and fault diagnosing apparatus, the first diagnosis result and the second diagnosis result, and transmits the data packet to the outside through the communication unit 30.
The control unit 40 may be a microcontroller, which is equipped with an analog-to-digital converter, a watchdog, a real-time clock, and a memory peripheral. The microcontroller is used as a processor, is connected with each part through an analog-to-digital converter, a digital input/output interface and a bus interface, executes a control program, monitors the running states of the device and the external sensor through a fault diagnosis model and a program according to data information of a voltage monitoring circuit, an external sensor information acquisition and diagnosis unit, a temperature and humidity monitoring circuit and a collision detection circuit, and externally sends the running information and the fault information of the device through a communication unit.
For example, the microcontroller is of a model STM32L031K6, and is internally provided with 12 ADC channels, 1024-byte EEPROM, 32KB FLASH, an independent watchdog, and a real-time clock, and is configured with 1 IIC, 1 SPI, 2 UART buses, and a serial data interface, and is used to complete operations such as setting real-time, starting monitoring and diagnosis, responding to trigger events, storing historical data, and communicating.
In addition, as shown in fig. 2, the mining information collecting and fault diagnosing apparatus according to the embodiment of the present invention further includes a key and display circuit 70. In fig. 2 of the present embodiment, a part of components is a circuit, which is consistent with the meaning of a unit.
The button and display circuit 70 includes an operation input circuit and an indication output circuit. The operation input circuit can adopt keys, resistors and capacitors to form a key response circuit with a debounce function, and can realize the identification of events such as short-time keys, long-time keys and the like by matching with the interrupt input of a microcontroller and the timing of a timer, so that the operation input circuit is used for switching the working mode of the device and triggering interactive detection and diagnosis; the indicating output circuit can adopt a double-color LED and a resistor to form an indicating lamp circuit with three colors, and can realize single-color or multi-color short-bright, single-color or multi-color cyclic flashing by matching with a timer of a microcontroller, thereby realizing the visual reflection of the device on the local key response, the device running state and the fault condition.
Therefore, the mining information acquisition and fault diagnosis device provided by the embodiment of the invention can detect the occurrence of collision, identify the direction and magnitude of the collision and send the collision to the outside immediately, so that the problem that fault information cannot be reported effectively due to the loss of a fault diagnosis function or a communication function caused by subsequent collision is avoided; the power supply voltage can be automatically monitored, an internal energy storage circuit is arranged to guarantee that the device can still continue to operate after the power failure occurs, and when the energy storage electric quantity is reduced to a threshold value, the insufficient energy storage electric quantity can be immediately identified and immediately and actively sent outwards, so that the problem that the failure information cannot be effectively reported due to the fact that the subsequent electric quantity is too low or exhausted is avoided; thirdly, the device can be ensured to carry out acquisition and diagnosis through the keys and the indicator lamps under the conditions of off-line or local maintenance requirements such as communication faults and the like, and the running state and the fault state are locally displayed, so that the operation is conveniently carried out, and the running state and the fault condition are intuitively reflected; fourthly, the device can acquire and diagnose the running state of the device while acquiring the detection information of the external sensor, and the acquired data, the running state, the fault code and the real-time are contained in the same frame of protocol packet, and the protocol packet is sent outwards, so that the dimension and the integrity of the monitored data are improved, and the reliability of the data is improved.
According to the mining information acquisition and fault diagnosis device provided by the embodiment of the invention, the connection state information and the working state information of the external sensor are detected by the external sensor information acquisition and diagnosis unit, the detection information of the external sensor is acquired, the self state information of the mining information acquisition and fault diagnosis device is monitored by the monitoring unit, so that the control unit can carry out fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, carry out self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result, pack the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result into a data packet to be transmitted to the outside, can acquire and diagnose the equipment running state of the device while acquiring and diagnosing the information of the external sensor and the fault diagnosis result, and transmit the protocol packet in real-time, improve the external monitoring data and maintenance reliability, and improve the production reliability and the monitoring reliability.
Optionally, in an embodiment of the present invention, the working modes of the mining information collection and fault diagnosis apparatus include a periodic monitoring mode, an interaction detection mode, and an event trigger mode.
That is to say, the mining information acquisition and fault diagnosis device of the embodiment of the invention realizes the functions of information acquisition of an external sensor, self running state monitoring, fault diagnosis, information reporting and the like by combining three modes of periodic monitoring, interactive detection and event triggering. The events in the event trigger are of two types, wherein one type is a collision event, and the other type is a low-battery event of the energy storage circuit.
When the mining information acquisition and fault diagnosis device works in a periodic monitoring mode, starting an initial moment configuration system parameter, starting an RTC (real time clock) and setting an RTC alarm clock work interruption output mode, setting an RTC interruption time interval, taking a periodic RTC interruption event as a periodic RTC timing interval event, and triggering a periodic monitoring process; when the mining information acquisition and fault diagnosis device works in an interactive detection mode, a key event exceeding the effective key duration is taken as effective interruption through a key identification circuit, and a microcontroller detects the interruption to trigger an interactive detection process; when the mining information acquisition and fault diagnosis device works in an event trigger mode, if the mining information acquisition and fault diagnosis device is a collision event, the parameters of the accelerometer are configured at an initial moment, an interrupt output mode is set, and an acceleration threshold is configured, so that the impact exceeding the acceleration threshold is taken as the collision event, the microcontroller detects the interrupt to trigger the collision detection and alarm process, if the mining information acquisition and fault diagnosis device is a low-electricity event of the energy storage circuit, the voltage of the energy storage element is monitored through the voltage monitoring chip, when the voltage of the energy storage element is lower than the threshold voltage of the voltage monitoring chip, the voltage monitoring chip outputs an interrupt signal, the interrupt signal is taken as the low-electricity event of the energy storage circuit, and the microcontroller detects the interrupt to trigger the power failure alarm process.
According to an embodiment of the present invention, when the mining information collection and fault diagnosis apparatus operates in the periodic monitoring mode or the interactive detection mode, the control unit 40 is further configured to obtain an electric quantity of the energy storage circuit, determine whether the electric quantity of the energy storage circuit is normal, obtain an electric quantity of the power supply circuit when the electric quantity of the energy storage circuit is normal, and determine whether the electric quantity of the power supply circuit is normal; if the electric quantity of the power supply circuit is abnormal, recording the current time as a first time; if the electric quantity of the power supply circuit is normal, acquiring the connection state information of the external sensor, and further judging whether the transmission line of the external sensor is normal according to the connection state information of the external sensor; if the external sensor transmission line is normal, directly acquiring detection information of the external sensor, recording the current time as the first time, further judging the working state of the external sensor according to the detection information of the external sensor, and acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device; if the transmission line of the external sensor is abnormal, recording the current time as a first time, and acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device; after the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device are obtained, recording the current time as a second time, and obtaining the communication signal quality between the mining information acquisition and fault diagnosis device and the outside; according to the first time, the working state information of the external sensor and the connection state information of the external sensor, fault diagnosis is carried out on the external sensor to obtain a first diagnosis result, fault diagnosis is carried out on the external sensor according to the electric quantity of the energy storage circuit, the electric quantity of the power supply circuit, the first time, the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device and the communication signal quality to obtain a second diagnosis result, and a same frame of heartbeat protocol packet is generated according to the second time, the first diagnosis result, the second diagnosis result, the first time, the state information of the external sensor, the connection state information of the external sensor, the electric quantity of the energy storage circuit, the electric quantity of the power supply circuit, the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device and the communication signal quality and is sent to the outside.
That is to say, the periodic monitoring mode and the interactive detection mode both need to perform external sensor information acquisition and acquire operating states such as device electric quantity, temperature, humidity, communication quality and the like, generate an operating state and a fault code through a fault diagnosis program, include external sensor information data, device operating state, fault code and real-time in the same frame of heartbeat protocol packet, and transmit the protocol packet to the outside through a communication unit.
The interactive detection mode indicates the running state and the fault information of the device through the display circuit, so that a user can start monitoring and diagnosis locally on the device conveniently, obtain the running state of the device and report the information of the sensor, the running state and the fault information through the communication unit; the periodic monitoring mode is triggered by a periodic RTC timing interval event, does not execute local indication, and reports sensor information, running state and fault information through the communication unit, thereby facilitating the realization of on-line monitoring and diagnosis.
According to another embodiment of the present invention, when the mining information collection and fault diagnosis device operates in the event trigger mode, the control unit 40 is further configured to obtain collision detection information of the mining information collection and fault diagnosis device, and obtain a collision direction and a collision magnitude according to the collision detection information; when the electric quantity of the energy storage circuit is normal, recording the current time as third time, carrying out self fault diagnosis according to the collision direction and the collision magnitude, the electric quantity of the energy storage circuit and the third time to obtain a second diagnosis result, and sending the collision direction and the collision magnitude, the electric quantity of the energy storage circuit, the third time and the second diagnosis result to the outside.
That is, during the crash detection and alarm process in the event-triggered mode, the microcontroller first sets an initial threshold acceleration to the accelerometer through the digital interface, configured to interrupt the triggering mode. When a collision event exceeding the threshold acceleration occurs, the microcontroller responds to the interrupt, reads the acceleration direction and the acceleration value recorded by the accelerometer, detects the electric quantity of the energy storage circuit, acquires the real-time, generates the running state and the fault code through the fault diagnosis program, contains the collision direction, the collision magnitude, the running state, the fault code and the real-time in the same frame of heartbeat protocol packet, and sends the protocol packet to the outside through the communication unit.
According to another embodiment of the present invention, when the mining information collection and fault diagnosis apparatus operates in the event trigger mode, the control unit 40 is further configured to obtain an electric quantity of the energy storage circuit, and when it is determined that the electric quantity of the energy storage circuit is lower than a preset electric quantity threshold value, record a current time as a fourth time; and performing self fault diagnosis according to the electric quantity of the energy storage circuit and the fourth time to obtain a second diagnosis result, and sending the electric quantity of the energy storage circuit, the fourth time and the second diagnosis result to the outside.
In other words, in the power failure alarm process in the event trigger mode, when the terminal voltage of the energy storage element in the energy storage circuit is lower than the detection threshold, an interruption event with low electric quantity of the energy storage circuit is triggered, the microcontroller responds to the interruption to obtain real-time, generates an operating state and a fault code through a fault diagnosis program, contains the operating state, the fault code and the real-time in the same frame of heartbeat protocol packet, and sends the protocol packet to the outside through the communication unit.
In summary, the mining information acquisition and fault diagnosis device provided by the embodiment of the invention has a simple structure and is convenient to operate, the detection information of the external sensor is acquired through the monitoring circuit, the diagnosis model and the internet of things technology, the electric quantity of the core body of the external sensor, the sensor cable and the power supply circuit, the electric quantity of the energy storage circuit, the collision direction and magnitude, the internal temperature and humidity of the device and the like are monitored, and the real-time monitoring, fault alarming and diagnosis of the information of the external sensor and the operation condition information of the device are realized, so that the use and maintenance personnel can conveniently master the operation state of the device in real time, find potential risks, locate fault causes and timely carry out maintenance work. The invention also realizes instant alarm of events which may cause equipment failure, such as collision events, avoids failure diagnosis and report caused by loss of operation or communication capability due to further damage of the device, and simultaneously can immediately identify insufficient energy storage electric quantity and immediately and actively send the insufficient energy storage electric quantity to the outside when the electric quantity of the energy storage circuit is reduced to a threshold value, thereby avoiding failure information from being effectively reported due to over-low or exhausted subsequent electric quantity. In addition, the invention realizes the collection of external sensor information, the diagnosis of the state of an external sensor core body and the diagnosis of the state of an external sensor transmission line, simultaneously collects and diagnoses the operation states of the device such as temperature, humidity, electric quantity, communication signal quality and the like, contains the collected data, the operation states, fault codes and real-time in the same frame of protocol packet, and sends the protocol packet to the outside, thereby perfecting the dimension and integrity of the monitored data and improving the reliability of the data. Finally, the invention realizes the identification of events such as short-time keys, long-time keys and the like, is used for locally switching the working mode of the device, triggering interactive detection and diagnosis, realizes the monochromatic or multicolor short-bright, monochromatic or multicolor cyclic flashing of the three-color indicator lamp, locally displaying the running state and the fault state, and realizes the convenient operation and the intuitive reflection of the running state and the fault condition of the device under the conditions of off-line or local maintenance requirements such as communication faults and the like. Therefore, the invention can greatly reduce the maintenance difficulty of the monitoring device, reduce the operation and maintenance cost, improve the production efficiency and ensure the safe production and reliable operation.
Fig. 3 is a flowchart of a mining information acquisition and fault diagnosis method according to an embodiment of the present invention. As shown in fig. 3, the mining information collection and fault diagnosis method includes the following steps:
s1, detecting connection state information and working state information of an external sensor, and collecting detection information of the external sensor.
And S2, monitoring the state information of the mining information acquisition and fault diagnosis device.
The state information of the mining information acquisition and fault diagnosis device comprises collision detection information, power supply conditions, internal environment temperature and humidity of the mining information acquisition and fault diagnosis device and the quality of communication signals between the mining information acquisition and fault diagnosis device and the outside.
And S3, performing fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, and performing self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result.
And S4, generating a data packet according to the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result, and sending the data packet to the outside.
According to the mining information acquisition and fault diagnosis method provided by the embodiment of the invention, the information of the external sensor can be acquired and diagnosed, the operation state of the equipment of the device can be acquired and diagnosed, the acquired data, the operation state and the fault diagnosis result are packed into the same frame of protocol packet in real time, and the protocol packet is sent outwards, so that the dimension and integrity of the monitored data are improved, the reliability of the data is improved, the maintenance difficulty of the monitoring system is greatly reduced, the operation and maintenance cost is reduced, the production efficiency is improved, and the safe production is ensured to be carried out reliably.
In the embodiment of the invention, the functions of information acquisition of the external sensor, self running state monitoring, fault diagnosis, information reporting and the like can be realized by combining three modes of periodic monitoring, interactive detection and event triggering. The events in the event trigger are of two types, wherein one type is a collision event, and the other type is a low-battery event of the energy storage circuit.
Optionally, as an embodiment, as shown in fig. 4, the monitoring and diagnosing process is started once when the interaction trigger or the period expires, and includes the following steps:
and S11, acquiring the electric quantity of an energy storage element in the energy storage circuit.
And S12, judging whether the electric quantity of the energy storage circuit is normal or not. If yes, executing step S13; if not, the flow is ended.
And S13, acquiring the electric quantity of the main power supply, namely the electric quantity of the power supply circuit.
And S14, judging whether the main power supply electric quantity is normal. If yes, executing step S15; if not, step S19 is executed to record the current time as the first time.
And S15, acquiring the connection state information of the external sensor.
And S16, judging whether the transmission line of the external sensor is normal or not according to the connection state information of the external sensor. If yes, go to step S17; if not, the current time is recorded as the first time, and step S18 is executed.
S17, acquiring the detection information of the external sensor, recording the current time as the first time, judging the working state of the external sensor according to the detection information of the external sensor, and then executing the step S18.
And S18, acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device.
And S19, recording the current time as a second time after acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device.
And S20, acquiring the quality of communication signals between the mining information acquisition and fault diagnosis device and the outside.
And S21, analyzing the running state and diagnosing faults, specifically, diagnosing faults of the external sensor according to the first time, the working state information of the external sensor and the connection state information of the external sensor to obtain a first diagnosis result, and diagnosing faults of the external sensor according to the electric quantity of the energy storage circuit, the electric quantity of the power supply circuit, the first time, the internal environment temperature and humidity and the communication signal quality of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result.
And S22, outputting or sending the data packet to the outside by the state indication. When the data packet is sent to the outside, the same frame heartbeat protocol packet is generated according to the second time, the first diagnosis result, the second diagnosis result, the first time, the state information of the external sensor, the connection state information of the external sensor, the electric quantity of the energy storage circuit, the electric quantity of the power supply circuit, the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device and the communication signal quality, and the protocol packet is sent to the outside.
That is to say, during periodic monitoring and interactive detection, external sensor information acquisition, acquisition of running states such as device electric quantity, temperature, humidity, communication quality and the like are required, running states and fault codes are generated through a fault diagnosis program, external sensor information data, device running states, fault codes and real-time are contained in the same heartbeat protocol packet, and the protocol packet is sent to the outside through a communication unit.
Wherein, the operation state and the fault information of the device can be indicated through the display circuit during the interactive detection, which is convenient for a user to start the monitoring and the diagnosis at the local part of the device, the running state of the device is obtained, and meanwhile, the sensor information, the running state and the fault information are reported through the communication unit; when in period monitoring, the system is triggered by a periodic RTC timing interval event, does not execute local indication, and reports sensor information, running state and fault information through a communication unit, thereby being convenient for realizing online monitoring and diagnosis.
Optionally, as an embodiment, as shown in fig. 5, the collision detection and alarm process is started by a collision event, and includes the following steps:
and S51, acquiring collision detection information of the mining information acquisition and fault diagnosis device, and acquiring a collision direction and a collision magnitude according to the collision detection information.
And S52, acquiring the electric quantity of the energy storage element in the energy storage circuit.
And S53, judging whether the electric quantity of the energy storage circuit is normal or not. If yes, go to step S54; if not, the flow is ended.
And S54, acquiring the real-time event, and recording the current time as a third time.
And S55, analyzing the running state and diagnosing the fault, namely, performing self fault diagnosis according to the collision direction and the collision magnitude, the electric quantity of the energy storage circuit and the third time to obtain a second diagnosis result.
And S56, sending a data packet to the outside, namely sending the collision direction and the collision magnitude, the electric quantity of the energy storage circuit, the third time and the second diagnosis result to the outside.
That is, during the crash detection and alarm process in the event-triggered mode, the microcontroller first sets an initial threshold acceleration to the accelerometer through the digital interface, configured to interrupt the triggering mode. When a collision event exceeding the threshold acceleration occurs, the microcontroller responds to the interrupt, reads the acceleration direction and the acceleration value recorded by the accelerometer, detects the electric quantity of the energy storage circuit, acquires the real-time, generates the running state and the fault code through the fault diagnosis program, contains the collision direction, the collision magnitude, the running state, the fault code and the real-time in the same frame of heartbeat protocol packet, and sends the protocol packet to the outside through the communication unit.
Optionally, as an embodiment, as shown in fig. 6, a process of starting a power down alarm through a low battery event of an energy storage circuit includes the following steps:
and S61, acquiring real-time, namely recording the current time as fourth time when the electric quantity of the energy storage circuit is lower than a preset electric quantity threshold value.
And S62, analyzing the running state and diagnosing the fault, namely performing self fault diagnosis according to the electric quantity of the energy storage circuit and the fourth time to obtain a second diagnosis result.
And S63, sending a data packet to the outside, namely sending the electric quantity of the energy storage circuit, the fourth time and the second diagnosis result to the outside.
In other words, in the power failure alarm process in the event trigger mode, when the terminal voltage of the energy storage element in the energy storage circuit is lower than the detection threshold, an interruption event with low electric quantity of the energy storage circuit is triggered, the microcontroller responds to the interruption to obtain real-time, generates an operating state and a fault code through a fault diagnosis program, contains the operating state, the fault code and the real-time in the same heartbeat protocol packet, and sends the protocol packet to the outside through the communication unit.
Since the method described in the above embodiment of the present invention corresponds to the apparatus described in the above embodiment of the present invention, a person skilled in the art can understand the specific structure and the modification of the apparatus based on the method described in the above embodiment of the present invention, and thus the detailed description is omitted here. All the devices adopted in the method of the above embodiments of the present invention are within the intended scope of the present invention.
In summary, the mining information collection and fault diagnosis method according to the embodiment of the present invention can collect and diagnose the information of the external sensor, collect and diagnose the device operation state of the device, pack the collected data, the operation state and the fault diagnosis result into the same frame of protocol packet in real time, and send the protocol packet to the outside, thereby improving the dimension and integrity of the monitored data, improving the reliability of the data, further greatly reducing the maintenance difficulty of the monitoring system, reducing the operation and maintenance cost, improving the production efficiency, and ensuring the reliable production. In addition, by the monitoring circuit, the diagnosis model and the internet of things technology, the real-time monitoring and fault diagnosis of the running states of the external sensor core body, the sensor cable and the device are realized while the detection information of the external sensor is acquired, so that the use and maintenance personnel can conveniently master the running state of the equipment in real time, find potential risks, locate fault reasons and carry out maintenance work in time. In addition, the invention realizes instant alarm of events which may cause equipment failure, such as collision events, avoids the failure diagnosis and report caused by the loss of operation or communication capability due to further damage of the device, and simultaneously can immediately identify the insufficient energy storage capacity and immediately and actively send the insufficient energy storage capacity to the outside when the energy storage capacity is reduced to a low-capacity threshold value, thereby avoiding the failure information from being effectively reported due to the over-low or exhausted follow-up capacity, and greatly improving the monitoring reliability.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the terms first, second, third and the like are for convenience only and do not denote any order. These words are to be understood as part of the name of the component.
Furthermore, it should be noted that in the description of the present specification, the description of the term "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the claims should be construed to include preferred embodiments and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or 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 should also include such modifications and variations.

Claims (7)

1. The utility model provides a mining information acquisition and fault diagnosis device which characterized in that includes:
the external sensor information acquisition and diagnosis unit is used for detecting the connection state information and the working state information of the external sensor and acquiring the detection information of the external sensor;
the monitoring unit is used for monitoring the state information of the mining information acquisition and fault diagnosis device;
the communication unit is used for establishing communication connection between the mining information acquisition and fault diagnosis device and the outside;
the control unit is respectively connected with the external sensor information acquisition and diagnosis unit, the monitoring unit and the communication unit, carries out fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, carries out self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result, generates a data packet according to the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result, and sends the data packet to the outside through the communication unit;
the mining information acquisition and fault diagnosis device comprises a power supply circuit and an energy storage circuit, wherein the power supply circuit is used for supplying power to the mining information acquisition and fault diagnosis device according to an external power supply and charging the energy storage circuit, the energy storage circuit supplies power to the mining information acquisition and fault diagnosis device through the power supply circuit when the external power supply is powered off, the range of electric quantity stored by the energy storage circuit is 0.05-18 joules, and the electric quantity continuously output by the energy storage circuit is not lower than 0.05 joules when the external power supply does not output current;
the power supply circuit includes: the power supply comprises a power supply, a voltage conversion circuit and an external power interface; the power supply adopts an external power supply of a solar battery and an internal power supply of an internal battery, and the voltage conversion circuit adopts a low dropout linear regulator;
the energy storage circuit is used for ensuring that the mining information acquisition and fault diagnosis device can still complete monitoring, fault diagnosis, information reporting and data storage when the power supply circuit cannot supply power;
the external sensor information acquisition and diagnosis unit includes:
a sensor interface for connecting the external sensor;
the circuit diagnosis circuit is used for detecting the circuit connection condition of the external sensor, the circuit diagnosis circuit identifies the faults of short circuit, open circuit and poor contact of the circuit by detecting the circuit resistance, and the resistance detection range of the circuit diagnosis circuit is 0 omega to 200k omega; the circuit diagnosis circuit adopts an MOS tube and a resistor to form a resistance detection loop, the MOS tube is controlled to be switched on and off to be connected into a sensor transmission line loop, the resistance partial pressure is connected into an analog-to-digital converter in the control unit through resistance partial pressure to obtain resistance partial pressure voltage, and the resistance of the sensor circuit is calculated; judging the line connection condition;
a core diagnostic circuit for detecting a core state of the external sensor, the core diagnostic circuit identifying the core state of the external sensor through a command response; the core diagnosis circuit adopts a serial interface and a communication protocol, executes read instruction and write instruction operations on the external sensor, and judges the core state of the sensor according to a feedback protocol result;
the working modes of the mining information acquisition and fault diagnosis device comprise: a periodic monitoring mode and an interactive detection mode;
when the mining information acquisition and fault diagnosis device works in the periodic monitoring mode or the interactive detection mode, the control unit is also used for,
acquiring the electric quantity of the energy storage circuit, judging whether the electric quantity of the energy storage circuit is normal or not, acquiring the electric quantity of the power supply circuit when the electric quantity of the energy storage circuit is normal, and judging whether the electric quantity of the power supply circuit is normal or not;
if the electric quantity of the power supply circuit is abnormal, recording the current time as a first time;
if the electric quantity of the power supply circuit is normal, acquiring the connection state information of the external sensor, and further judging whether the transmission line of the external sensor is normal according to the connection state information of the external sensor;
if the transmission line of the external sensor is normal, directly acquiring the detection information of the external sensor, recording the current time as the first time, further judging the working state of the external sensor according to the detection information of the external sensor, and acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device;
if the transmission line of the external sensor is abnormal, recording the current time as a first time, and acquiring the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device;
after the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device are obtained, recording the current time as a second time, and obtaining the communication signal quality between the mining information acquisition and fault diagnosis device and the outside;
the method comprises the steps of carrying out fault diagnosis on an external sensor according to the first time, working state information of the external sensor and connection state information of the external sensor to obtain a first diagnosis result, carrying out self fault diagnosis according to the electric quantity of an energy storage circuit, the electric quantity of a power supply circuit, the first time, the internal environment temperature and humidity and communication signal quality of a mining information acquisition and fault diagnosis device to obtain a second diagnosis result, generating a same frame of heartbeat protocol packet according to the second time, the first diagnosis result, the second diagnosis result, the first time, the state information of the external sensor, the connection state information of the external sensor, the electric quantity of the energy storage circuit, the electric quantity of the power supply circuit, the internal environment temperature and humidity of the mining information acquisition and fault diagnosis device and the communication signal quality, and sending the protocol packet outwards.
2. The mining information collection and fault diagnosis device of claim 1, wherein the monitoring unit comprises:
the mining information acquisition and fault diagnosis device comprises a collision detection circuit, a fault diagnosis circuit and a fault diagnosis circuit, wherein the collision detection circuit is used for detecting whether the mining information acquisition and fault diagnosis device collides and falls to generate collision detection information, the collision detection circuit detects an acceleration range of 0g to +/-16 g, and the collision detection information at least comprises one of a collision direction, a collision acceleration and a collision time;
the voltage monitoring circuit is used for monitoring the power supply condition of the mining information acquisition and fault diagnosis device;
temperature and humidity monitoring circuit, temperature and humidity monitoring circuit is used for monitoring mining information acquisition and failure diagnosis device's internal environment humiture, temperature and humidity monitoring circuit is when 5 ℃ to 80 ℃, and monitoring degree of accuracy deviation scope 0.3 ℃, temperature and humidity monitoring circuit is when temperature-25 ℃ to 110 ℃, and monitoring degree of accuracy deviation scope 0.4 ℃, temperature and humidity monitoring circuit is when relative humidity 20% to 60%, and monitoring degree of accuracy deviation scope 3%RH, temperature and humidity monitoring circuit is when relative humidity 0% to 100%, and monitoring degree of accuracy deviation scope 5%.
3. The mining information collection and fault diagnosis device of any of claims 1-2, wherein the operating mode of the mining information collection and fault diagnosis device further comprises an event trigger mode.
4. The mining information collection and fault diagnosis device of claim 3, wherein the control unit is further configured to, when the mining information collection and fault diagnosis device is operating in the event-triggered mode,
acquiring collision detection information of the mining information acquisition and fault diagnosis device, and acquiring a collision direction and a collision magnitude according to the collision detection information;
when the electric quantity of the energy storage circuit is normal, recording the current time as third time, carrying out self fault diagnosis according to the collision direction and the collision magnitude, the electric quantity of the energy storage circuit and the third time to obtain a second diagnosis result, and sending the collision direction and the collision magnitude, the electric quantity of the energy storage circuit, the third time and the second diagnosis result to the outside.
5. The mining information collection and fault diagnosis device of claim 3, wherein the control unit is further configured to, when the mining information collection and fault diagnosis device is operating in the event-triggered mode,
acquiring the electric quantity of the energy storage circuit, and recording the current time as fourth time when judging that the electric quantity of the energy storage circuit is lower than a preset electric quantity threshold value;
and performing self fault diagnosis according to the electric quantity of the energy storage circuit and the fourth time to obtain a second diagnosis result, and sending the electric quantity of the energy storage circuit, the fourth time and the second diagnosis result to the outside.
6. A mining information acquisition and fault diagnosis method based on the mining information acquisition and fault diagnosis device of any one of claims 1 to 5, characterized by comprising the following steps:
detecting connection state information and working state information of an external sensor, and collecting detection information of the external sensor;
monitoring the state information of the mining information acquisition and fault diagnosis device;
performing fault diagnosis on the external sensor according to the connection state information and the working state information of the external sensor to obtain a first diagnosis result, and performing self fault diagnosis according to the self state information of the mining information acquisition and fault diagnosis device to obtain a second diagnosis result;
and generating a data packet according to the connection state information and the working state information of the external sensor, the detection information of the external sensor, the self state information of the mining information acquisition and fault diagnosis device, the first diagnosis result and the second diagnosis result, and sending the data packet to the outside.
7. The mining information collection and fault diagnosis method according to claim 6, wherein the self state information of the mining information collection and fault diagnosis device includes collision detection information of the mining information collection and fault diagnosis device, power supply conditions, internal environment temperature and humidity, and communication signal quality between the mining information collection and fault diagnosis device and the outside.
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