Monitoring method, device and detection system

Abstract

The present application discloses a monitoring method, device and detection system, which belong to the field of communication technology. The method mainly includes obtaining a target electrical signal, wherein the target electrical signal includes a low voltage signal converted from a high voltage signal output from a power supply device; according to the target electrical signal, determining a sinusoidal waveform graph corresponding to the target electrical signal; when the sinusoidal waveform graph meets a preset condition, determining an alarm message according to the sinusoidal waveform graph, wherein the alarm message is used to indicate that the high voltage signal has jitter and affects the operating state of the target device powered by the power supply device. The monitoring reverse side provided in the embodiment of the present application can solve the problem of low efficiency in obtaining the cause of the alarm information.

Description

Technical Field

[0001] The present application belongs to the field of communication technology, and specifically relates to a monitoring method, device and detection system. Background Art

[0002] With the development of the Internet and electronic equipment technology, a large number of data centers can support digital and information construction. The basic requirement of data centers is the safe and stable operation of the dynamic environment system of the computer room. Among them, the dynamic environment system of the computer room will generate hundreds or even thousands of important alarms during operation, such as cooling water pump failure alarm, uninterruptible power supply (UPS) bypass over-protection alarm, cooling tower fan failure alarm and other alarm information.

[0003] At present, monitoring personnel cannot directly obtain the reasons for these alarm messages. They need to check and analyze the dynamic environment equipment in the dynamic environment system of the computer room item by item before they can confirm the reasons for the alarm messages. For example, some dynamic environment equipment such as chillers will be affected by the jitter of the mains power and send out alarm messages. Therefore, the above method of determining the cause of the alarm wastes manpower and material resources. Since the cause of the alarm message cannot be quickly and directly located, it will cause the chiller to shut down, thereby causing a major failure in the data center. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a monitoring method, device and detection system, which can solve the problem of low efficiency in obtaining the cause of alarm information.

[0005] In a first aspect, an embodiment of the present application provides a monitoring method, which may include:

[0006] Acquire a target electrical signal, where the target electrical signal includes a low voltage signal converted from a high voltage signal output from a power supply device;

[0007] According to the target electrical signal, determining a sinusoidal waveform diagram corresponding to the target electrical signal;

[0008] When the sinusoidal waveform meets the preset conditions, the alarm information is determined according to the sinusoidal waveform, and the alarm information is used to prompt that the high voltage signal has jitter and affects the operating state of the target device powered by the power supply device.

[0009] In a second aspect, an embodiment of the present application provides a monitoring device, which may include:

[0010] An acquisition module, used for acquiring a target electrical signal, wherein the target electrical signal comprises a low voltage signal converted from a high voltage signal output from a power supply device;

[0011] A processing module, used for determining a sinusoidal waveform diagram corresponding to the target electrical signal according to the target electrical signal;

[0012] The determination module is used to determine the alarm information according to the sine waveform when the sine waveform meets the preset sine waveform. The alarm information is used to prompt that the high voltage signal has jitter and affects the operating state of the target device powered by the power supply device.

[0013] In a third aspect, an embodiment of the present application provides a monitoring device, which includes a processor, a memory, and a program or instruction stored in the memory and executable on the processor, and when the program or instruction is executed by the processor, the steps of the monitoring method shown in the first aspect are implemented.

[0014] In a fourth aspect, an embodiment of the present application provides a detection system, which includes the monitoring device shown in the third aspect or the monitoring device, display device and adjustment device shown in the second aspect; wherein,

[0015] A monitoring device or a monitoring apparatus, for acquiring a target electrical signal, the target electrical signal comprising a low voltage signal converted from a high voltage signal output from a power supply device; determining a sinusoidal waveform corresponding to the target electrical signal according to the target electrical signal; and, when the sinusoidal waveform satisfies a preset sinusoidal waveform, determining an alarm message according to the sinusoidal waveform, the alarm message being used to indicate that the high voltage signal has jitter and affects the operating state of a target device powered by the power supply device;

[0016] A display device, used for displaying warning information;

[0017] The adjustment device is used to adjust the operating state of the target device powered by the power supply device according to the alarm information when no user input is received within a third preset time period.

[0018] In a fifth aspect, an embodiment of the present application provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the steps of the monitoring method shown in the first aspect are implemented.

[0019] In a sixth aspect, an embodiment of the present application provides a chip, the chip including a processor and a communication interface, the communication interface and the processor are coupled, and the processor is used to run programs or instructions to implement the steps of the monitoring method shown in the first aspect.

[0020] In an embodiment of the present application, a high voltage signal is converted into a low voltage signal, and the generation of high voltage signal jitter is inferred from the monitoring of low voltage signal jitter. By collecting data of the target electrical signal, each AC sine wave in the sine waveform diagram corresponding to the target electrical signal is judged, and by comparing with the preset conditions, it is judged whether the target electrical signal has jittered. In the case of jitter of the target electrical signal, it is determined to indicate that the high voltage signal has jittered and affects the alarm information of the operating state of the target device powered by the power supply device. Therefore, the embodiment of the present application can directly obtain the cause of the alarm information and improve the efficiency of obtaining the cause of the alarm. In addition, by converting the high voltage signal into a low voltage signal and inferring the generation of high voltage signal jitter from the monitoring of low voltage signal jitter, the cause of the alarm information can be quickly and directly located to ensure the normal operation of the dynamic ring equipment, thereby ensuring the normal operation of the data center. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of a monitoring architecture provided in an embodiment of the present application;

[0022] Figure 2 A schematic diagram of the structure of a monitoring device provided in an embodiment of the present application;

[0023] Figure 3 A flow chart of a monitoring method provided in an embodiment of the present application;

[0024] Figure 4 A schematic diagram of an alternating current waveform provided in an embodiment of the present application;

[0025] Figure 5 A schematic diagram of another alternating current waveform provided in an embodiment of the present application;

[0026] Figure 6 A schematic diagram of a conversion voltage comparison provided in an embodiment of the present application;

[0027] Figure 7 A schematic diagram of a voltage waveform provided in an embodiment of the present application;

[0028] Figure 8 A schematic diagram of the structure of a monitoring circuit provided in an embodiment of the present application;

[0029] Fig. 9 A schematic diagram of the structure of a monitoring device provided in an embodiment of the present application;

[0030] Fig.10 A schematic diagram of the structure of a monitoring device provided in an embodiment of the present application;

[0031] Fig.11 A schematic diagram of the hardware structure of a monitoring device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0033] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0034] At present, data centers have introduced multiple 10 kilovolt (KV) mains electricity. On the one hand, due to the working voltage requirements of the dynamic equipment in the dynamic system of the computer room, such as the 10KV high-pressure chiller of the air-conditioning system, which is directly connected to the 10KV high-voltage mains electricity; on the other hand, in order to save energy, the power supply mode of dynamic equipment such as cooling towers, cooling water pumps, and water supply pumps is designed to be directly supplied by the mains electricity, and uninterruptible power supply equipment such as UPS is not used to ensure the power supply quality. Therefore, when the mains voltage fluctuates to varying degrees, it will cause the chiller to shut down, and the cooling tower and cooling pump will shut down, which will lead to the chiller shutdown. In this way, the data center will experience major failures due to voltage jitters causing the chiller to shut down.

[0035] There are many reasons for the jitter of the mains power supply, which cannot be effectively predicted and are difficult to avoid actively. For example, when encountering severe weather such as strong winds and heavy rains, jitters will occur; and because the data center only occupies a certain outgoing line interval of the 50,000 kilovolt-ampere (KVA) transformer of the 110KV substation, the remaining intervals are used by other industrial, agricultural, commercial and other enterprises and residential buildings. Therefore, when the voltage of the adjacent user line jitters momentarily or a fault triggers the protection action, it will also indirectly cause the data center transformer voltage to jitter abnormally. Taking data center A as an example, the data center infrastructure management (DCIM) system is currently used for centralized monitoring, which can monitor the operating status of power and HVAC equipment, but cannot directly monitor and collect alarm information of mains voltage jitter. In the DCIM system used by Data Center A, the devices affected by the AC power jitter will generate hundreds or even thousands of first-level important alarms, such as cooling water pump failure alarms, UPS bypass over-protection alarms, cooling tower fan failure alarms, etc. However, the monitoring personnel cannot directly obtain the cause of the alarm. The monitoring personnel need to check and analyze the dynamic environment equipment in the dynamic environment system of the computer room item by item before confirming the cause of the alarm information. For example, some dynamic environment equipment such as the chiller will be affected by the AC power jitter and send out alarm information. Therefore, the above method of determining the cause of the alarm wastes manpower and material resources, and because it cannot quickly and directly locate the cause of the alarm information, it will cause the chiller to shut down, thereby causing a major failure in the data center.

[0036] Based on this, the following Figure 1-Figure 2 , the monitoring method provided in the embodiment of the present application is described in detail through specific embodiments and their application scenarios.

[0037] The present application embodiment proposes a monitoring architecture, such as Figure 1 As shown, the monitoring architecture may include power supply equipment, conversion equipment, monitoring equipment (or monitoring devices arranged in the monitoring equipment) and target equipment. Among them, the power supply equipment includes a mains power system for supplying power to the target equipment; the conversion equipment includes a power transformer or a special transformer for converting the high voltage signal output by the power supply equipment into a low voltage signal; the monitoring equipment is used to obtain the target electrical signal output from the conversion equipment, and determine the sinusoidal waveform corresponding to the target electrical signal according to the target electrical signal, and determine the alarm information according to the sinusoidal waveform when the sinusoidal waveform meets the preset conditions, and the alarm information is used to indicate that the high voltage signal has jitter and affects the operating state of the target equipment powered by the power supply equipment; the target equipment may include dynamic environment equipment such as chillers, cooling towers, cooling water pumps, water supply pumps, etc., which are used to receive the low voltage signal output by the conversion equipment and supply power to it.

[0038] Based on the above monitoring architecture, the embodiments of the present application provide a detailed description of the above monitoring equipment involved, as shown below.

[0039] like Figure 2 As shown, the monitoring device may include a microcontroller unit (MCU), an analog-to-digital converter (ADC), a memory, and a narrowband Internet of Things such as an NB module. The microcontroller may include a first microcontroller and a second microcontroller, and the analog-to-digital converter may include a first analog-to-digital converter and a second analog-to-digital converter.

[0040] The following monitoring method can be executed based on the monitoring device.

[0041] First, the voltage is stepped down to the ADC readable voltage range.

[0042] Data centers generally use 10KV AC as input, which is converted to 220 volts (v) for use by equipment. The 220v AC is further converted to 12v by the conversion equipment, and then the voltage peak value input to the MCU's General Purpose Input Output (GPIO) pin for sampling is reduced to below 3.3v by resistor voltage divider. The MCU can then collect the voltage through the built-in ADC. Since the waveform has not changed, the voltage jitter on the high-voltage side can be inferred by real-time monitoring of the low-voltage side voltage.

[0043] Next, the first single chip microcomputer controls the NB module to register with the network and the platform, and the first analog-to-digital converter enters a sampling cycle.

[0044] Here, the single-chip uses two MCUs, one for sampling judgment and the other for sampling storage, so that there will be no conflict between judgment and storage due to single-threaded operation. The first single-chip is connected to the NB module through the serial port to control the wireless side network registration and keep alive, platform login and data upload. After the first analog-to-digital converter is initialized normally, it enters the loop action and repeatedly samples the port value.

[0045] Furthermore, the second single chip microcomputer controls the second analog-to-digital converter to enter a sampling cycle and stores the collected data into a memory such as an SD card.

[0046] The second analog-to-digital converter of the second single-chip computer also enters a loop action, repeatedly sampling and storing the data into the SD card through the Secure Digital Input and Output (SDIO) interface without performing any other actions. The stored data is only used for later analysis and processing.

[0047] Then, the alarm is judged. The first single chip compares the sampled data with the set threshold. If it does not exceed the threshold range, it enters the next cycle. If it exceeds the threshold, it controls the NB module to upload the alarm information to the platform through the wireless network.

[0048] In one or more possible embodiments, a personalized display window may be customized according to user needs. After the platform pushes the alarm information to the display window, personalized alarm presentation is performed according to customer needs.

[0049] Therefore, the monitoring method provided in the embodiment of the present application can convert high-voltage jitter into low-voltage jitter, and infer the generation of high-voltage jitter from the monitoring of low-voltage jitter. Through high-frequency data acquisition, the peak value of each AC sine wave is determined, and by comparing it with the threshold, it is determined whether jitter has occurred, and the jitter information is transmitted to the background through the wireless network to be incorporated into the dispatch system or send SMS reminders to ensure accurate and fast notifications, which facilitates accurate maintenance of the network. In addition, the collected data can be stored locally in real time to facilitate later data analysis.

[0050] According to the above monitoring equipment, the following Figure 3 The monitoring method provided in the embodiments of the present application is described in detail.

[0051] Figure 3 A flow chart of a monitoring method provided in an embodiment of the present application.

[0052] like Figure 3 As shown, the monitoring method can be applied to monitoring equipment, based on which, it can specifically include the following steps:

[0053] Step 310, obtaining a target electrical signal, the target electrical signal includes a low voltage signal converted from a high voltage signal output from a power supply device. Step 320, determining a sinusoidal waveform corresponding to the target electrical signal according to the target electrical signal. Step 330, determining an alarm message according to the sinusoidal waveform when the sinusoidal waveform satisfies a preset condition, the alarm message is used to indicate that the high voltage signal has jitter and affects the operating state of the target device powered by the power supply device.

[0054] Therefore, in the embodiment of the present application, the high voltage signal is converted into a low voltage signal, and the generation of the high voltage signal jitter is inferred from the monitoring of the low voltage signal jitter. By collecting data of the target electrical signal, each AC sine wave in the sine waveform diagram corresponding to the target electrical signal is determined, and by comparing with the preset conditions, it is determined whether the target electrical signal has jittered. In the case of jittering of the target electrical signal, it is determined to indicate that the high voltage signal has jittered and the alarm information affecting the operating status of the target device powered by the power supply device is sent.

[0055] Therefore, the embodiment of the present application can directly obtain the cause of the alarm information, improving the efficiency of obtaining the cause of the alarm. In addition, by converting the high voltage signal into a low voltage signal, the generation of the high voltage signal jitter can be reversed from the monitoring of the low voltage signal jitter, so that the cause of the alarm information can be quickly and directly located, ensuring the normal operation of the dynamic environment equipment, thereby ensuring the normal operation of the data center.

[0056] The above steps are described in detail below:

[0057] First, step 310 is involved. In one or more optional embodiments, the target electrical signal includes a first target electrical signal and a second target electrical signal. Step 310 may specifically include:

[0058] The first target electrical signal and the second target electrical signal are acquired multiple times according to a preset cycle; wherein,

[0059] The first target electrical signal is used to determine a sinusoidal waveform diagram corresponding to the first target electrical signal, and the second target electrical signal is used for electrical signal storage, and the sinusoidal waveform diagram corresponding to the first target electrical signal is adjusted to obtain a sinusoidal waveform diagram corresponding to the target electrical signal.

[0060] Next, step 320 is involved. In one or more optional embodiments, based on the steps in step 310, step 320 may specifically include:

[0061] Counting the first target electrical signals acquired multiple times respectively, and obtaining a sinusoidal waveform diagram corresponding to the first target electrical signal according to the first target electrical signals acquired multiple times;

[0062] The sine waveform diagram corresponding to the first target electrical signal is adjusted by using the second target electrical signal acquired multiple times to obtain an adjusted sine waveform diagram;

[0063] The adjusted sinusoidal waveform diagram is determined as a sinusoidal waveform diagram corresponding to the target electrical signal.

[0064] In addition, in another or more optional embodiments, step 320 may specifically include:

[0065] The negative voltage corresponding to the target electrical signal is converted into a positive voltage through rectification;

[0066] According to the positive voltage, a sinusoidal waveform corresponding to the target electrical signal is obtained.

[0067] It should be noted that the measurement range of a general-purpose analog-to-digital converter is generally 3.3V or 5V, and it is not possible to directly detect the 10kV high-voltage electrical signal output from the power supply equipment. Therefore, a conversion device, namely a power conversion device such as a power transformer, is required that can convert high voltage into low voltage in real time, so as to achieve the purpose of monitoring high voltage by detecting the change of low voltage after multi-stage transformation, and at the same time keep the shape of the wave unchanged, so as to achieve the purpose of inferring high voltage jitter through low voltage jitter. For example, if the jitter on the high-voltage side exceeds 5% as the alarm threshold, the low-voltage side will also use 5% as the threshold for alarm judgment, so the jitter on the high-voltage side can be monitored in real time.

[0068] Specifically, the waveform of the alternating current is as follows: Figure 4 As shown, here, the alternating current is a sine wave, and the instantaneous voltage has a negative value. The conversion device can generally only measure the positive (+) voltage and cannot read the negative value. Measuring the differential voltage is relatively complicated and the cost is relatively high. Therefore, the embodiment of the present application adopts a rectification method to convert the negative voltage into a positive voltage. The waveform of the sine wave is converted into Figure 5 As shown in the figure, the peak voltage of AC power is twice the square root of the equivalent voltage (220V), so it should be fully considered when converting the equipment. Figure 6 As shown, when a 5V conversion device is used, a 12V transformer can be used for secondary transformation and a 1 / 6 voltage division; when a 3.3V conversion device is used, a 9V transformer can be used for secondary transformation and a 1 / 5 voltage division.

[0069] Then, referring to step 330, in one or more optional embodiments, before step 330, the monitoring method may further include:

[0070] Select multiple peak values ​​in the sine waveform diagram, and compare them with the peak threshold corresponding to each peak value to obtain a comparison result;

[0071] According to the comparison result, determine whether the sine waveform graph meets the preset conditions.

[0072] It should be noted that a plurality of peak values ​​are contained in a waveform within at least one preset period.

[0073] The preset condition in the embodiment of the present application can be determined in the following manner, that is, before determining whether the sine waveform diagram meets the preset condition according to the comparison result, the method further includes:

[0074] Acquiring a first electrical signal within a first preset time period;

[0075] A first wave peak value and a second wave peak value are calculated according to the first electrical signal. The first wave peak value and the second wave peak value are used to determine whether the sinusoidal waveform meets a preset condition, and the first wave peak value is greater than the second wave peak value.

[0076] Here, the first wave peak value may be a maximum value, and the second wave peak value may be a minimum value. Based on this, according to the comparison result, determining whether the sine wave graph meets the preset conditions includes:

[0077] When the comparison result is greater than the first wave peak value and / or the comparison result is less than the second wave peak value, it is determined that the sinusoidal waveform meets the preset condition.

[0078] Here, in order to ensure the timeliness of monitoring, the embodiment of the present application adopts a frequency of 3.6K. The frequency of the alternating current is 50Hz, which is 100Hz after rectification. With a sampling frequency of 3.6K, 36 samples can be sampled in a first preset time period, such as a cycle, which can basically reflect the waveform of the voltage well, as shown below Figure 7 As shown: the time of writing to the SD card will affect the sampling frequency, and the file is written once every 50 first electrical signals, so the use of high-performance 32-bit embedded devices, such as single-chip microcomputers, can ensure that the sampling rate does not decrease. Since the single-chip microcomputer runs in a single thread, if only the switch alarm is output locally, it will basically not affect the sampling speed. However, if the alarm information is uploaded to the Internet of Things platform through a wireless network, since the data transmission process is in seconds, the collection will be interrupted for a corresponding period of time, and continuous monitoring cannot be achieved. Therefore, it is recommended to use two single-chip microcomputers, namely the first single-chip microcomputer and the second single-chip microcomputer, one single-chip microcomputer is responsible for collecting and storing electrical signals, and the other single-chip microcomputer is responsible for analysis and reporting. If a device with an operating system that can run multiple threads at the same time is used, there is no need to consider this problem, but the cost will increase. Therefore, in order to reduce costs, the embodiment of the present application adopts a 32-bit single-chip multi-chip implementation. Here, it should be noted that the external ADC cannot meet the acquisition frequency of 3.6K. At the same time, since the acquisition accuracy does not need to be so high, the embodiment of the present application can be directly implemented through the built-in ADC of the microcontroller. The acquisition frequency of the built-in ADC can generally reach 1M and the accuracy is 12 bits, which can meet the needs.

[0079] In addition, in order to realize the above process, Figure 8The circuit shown executes the above process. Specifically, since the data volume of the embodiment of the present application is relatively considerable at a sampling frequency of 3.6k, after testing, the size of the text formed by collecting one city power every minute is about 1.2M. If it is uploaded to the platform, the data volume is too large and meaningless. Therefore, the data corresponding to the collected electrical signal can be stored on the local SD card. Due to the high acquisition frequency, the program running on the single-chip microcomputer should be as small as possible, and the necessary information should be displayed in other ways as much as possible, which may include at least one of the following: 1. Enable direct memory access (DMA) transmission, and the sampled data is transferred to the memory through the DMA channel without occupying the CPU; 2. ADC sampled data is stored as raw data, not converted into real voltage values, and multi-channel data can be separated by commas; 3. No other information is added when data is stored, such as time, channel number, etc.; 4. The file is named by time, and the file is generated in units of 1 minute; 5. Write to the memory card in units of 512 bytes, and calculate the number of cyclic reads; 6. Use high-speed SD card storage, and low-speed cards will seriously affect the storage rate.

[0080] Based on the above process, the sampling and storage rate far exceeds 3.6K. At this time, a delay function adjustment can be added to the loop. The single-chip microcomputer uses a file system to access the SD card through the Secure Digital Input and Output (SDIO) interface. This interface is faster than the Serial Peripheral Interface (SPI) and can better meet storage requirements. Therefore, the single-chip microcomputer used in the embodiment of the present application must have an SDIO interface. Since the file is named after time, it is necessary to turn on the driver program (real_time clock, RTC) clock, set the time and generate an interrupt once per minute, end and save the current file, and then generate a new file with a new time. In addition, the storage of files should be carried out in a cyclic manner, such as day, week, and month. It should be calculated according to the capacity of the SD card used. Try not to be too large, otherwise it will be slow to open due to too many files.

[0081] Based on this, the peak value of the sine waveform is screened in real time and judged.

[0082] The source of the alarm is that the peak value exceeds the threshold range corresponding to the first peak value and the second peak value, which includes both overvoltage and undervoltage. Therefore, the first step to determine the alarm is to analyze the peak value of each sinusoidal waveform from the target electrical signal and compare it with the first peak value and the second peak value.

[0083] Here, take 50 sampled data, i.e., the first electrical signal (containing a complete waveform) as an example. For overvoltage, it does not matter, but for undervoltage, if more than two waveforms are present, the undervoltage situation may be missed. The specific analysis is to take the maximum value of the first electrical signal. If the amount of data is greater than one waveform, the maximum value is taken. If the voltage of one waveform is low, the second waveform is normal, and finally it is a normal value. Therefore, the range of the analyzed data must be within the range slightly greater than one waveform and less than two waveforms. Considering the 3.6K sampling rate and 36 samplings in one cycle, it is feasible to make a comparison with 50 sampled data. In the embodiment of the present application, 50 sampled data are used as a cycle. First, the comparison value is set to 0, and the sampled value is compared with the comparison value. If the sampled value is less than the comparison value, no processing is performed. If the sampled value is greater than the comparison value, the sampled value is set to a new comparison value. After such a cycle, the current comparison value is the peak value of a wave. Continuously collect peak data for a period of time (the longer the better), and calculate the average value, maximum value, and minimum value of these peak data. Taking the high-pressure refrigerator indicator as an example, a jitter exceeding 10% will cause a shutdown. Therefore, the embodiment of the present application can use ±10% of the average value as the upper and lower thresholds of the alarm, and compare them with the maximum and minimum values ​​collected continuously to see whether they are reasonable. Exceeding these two ranges will serve as the trigger condition for the alarm.

[0084] Here, the alarm information is uploaded using a wireless network because the data volume is not large, which is convenient for deployment. The background management platform also has an open interface and powerful management functions. For the subsequent circulation of the alarm, different methods such as dispatching orders and text messages can be developed through the platform interface.

[0085] It should be noted that the embodiments of the present application take into account that the abnormality of the monitoring device or the target device may be caused by a power outage. Therefore, in order to ensure that the monitoring device can continue to work after a power outage and send out the power outage information, a backup power supply is required. At the same time, in order to reduce maintenance costs and minimize the number of maintenance times, a rechargeable lithium battery can be used as a backup power supply. The lithium battery works under a programmable control chip. It does not provide electricity when the mains power is normal, and will charge if the voltage is too low. It will stop after charging to the rated voltage to prevent overcharging and damage to the battery; when the mains power is out, it provides sufficient electricity to keep the product working until the information is sent out. The charging and full-charge status of the lithium battery are displayed by an external LED light on the control chip.

[0086] Since the instantaneous current of the wireless module is relatively large when sending data, a separate voltage regulator chip should be used for power supply to ensure that the normal operation of the MCU is not affected when sending data. The selection of the voltage regulator chip should ensure that the maximum current requirement is met, while the voltage drop is as low as possible and the static power consumption is as small as possible. The peripheral components of the voltage regulator chip need to ensure continuous and stable output when the voltage and current change.

[0087] The connection with the wireless module is through the Universal Synchronous / Asynchronous Receiver / Transmitter (USART) interface, and the receiving and transmitting pins are cross-connected with resistors in series. The module uses an external card tray to facilitate card replacement.

[0088] In addition, in one or more optional embodiments, after step 330, the monitoring method may further include:

[0089] When no user input is received within the second preset time period, the operating state of the target device powered by the power supply device is adjusted according to the alarm information.

[0090] Here, the second preset time period can be set according to the operating state of the target device, or can be set by the user. For example, when the target device is a refrigerator, the general operating temperature is 20 degrees Celsius to 25 degrees Celsius. When the actual temperature is higher than 25 degrees or lower than 20 degrees, and no user input for temperature control is received within the second preset time period, the temperature of the refrigerator can be automatically adjusted.

[0091] In summary, the embodiment of the present application infers that the high voltage generates jitter by monitoring the low voltage jitter, determines the peak value of each AC sine wave through high-frequency data collection, determines whether jitter occurs by comparing with the threshold, and transmits the jitter information to the background through the wireless network to be incorporated into the dispatch system or send SMS reminders to ensure accurate and fast notifications, which is convenient for accurate maintenance of the network. In addition, the collected data can be stored locally in real time, which is convenient for later data analysis. In addition, the embodiment of the present application uses the least system resources from data sampling to storage, which improves the system memory. Then, the embodiment of the present application collects the voltage data of the client-side equipment in real time, and after analysis, reports the abnormal data information to the network platform, incorporates it into the existing fault dispatch system or sends it via SMS, so as to monitor the fault in the first time and take effective emergency measures; at the same time, the sampled data can be saved for subsequent retrospective analysis, which is suitable for power supply fields such as data centers that are sensitive to voltage jitter and lack effective city power quality monitoring systems.

[0092] It should be noted that the monitoring method provided in the embodiment of the present application can be executed by a monitoring device or a control module in the monitoring device for executing the monitoring method. In the embodiment of the present application, the monitoring device provided in the embodiment of the present application is described by taking the monitoring method executed by the monitoring device as an example.

[0093] Based on the same inventive concept, the present application also provides a monitoring device. Fig. 9 Provide detailed explanation.

[0094] Fig. 9 A schematic diagram of the structure of a monitoring device provided in an embodiment of the present application.

[0095] like Fig. 9 As shown, the monitoring device 90 is applied to monitoring equipment, and may specifically include:

[0096] An acquisition module 901 is used to acquire a target electrical signal, where the target electrical signal includes a low voltage signal converted from a high voltage signal output from a power supply device;

[0097] The processing module 902 is used to determine a sinusoidal waveform diagram corresponding to the target electrical signal according to the target electrical signal;

[0098] The determination module 903 is used to determine the alarm information according to the sine waveform when the sine waveform meets the preset sine waveform. The alarm information is used to prompt that the high voltage signal has jitter and affects the operating state of the target device powered by the power supply device.

[0099] Thus, the high voltage signal is converted into a low voltage signal, and the generation of the high voltage signal jitter is inferred from the monitoring of the low voltage signal jitter. By collecting data of the target electrical signal, each AC sine wave in the sine waveform diagram corresponding to the target electrical signal is judged, and by comparing with the preset conditions, it is judged whether the target electrical signal has jittered. In the case of jittering of the target electrical signal, it is determined to indicate that the high voltage signal has jittered and affects the alarm information of the operating status of the target device powered by the power supply device. Thus, the embodiment of the present application can directly obtain the cause of the alarm information, and improve the efficiency of obtaining the cause of the alarm. In addition, by converting the high voltage signal into a low voltage signal, and inferring the generation of the high voltage signal jitter from the monitoring of the low voltage signal jitter, the cause of the alarm information can be quickly and directly located to ensure the normal operation of the dynamic ring equipment, thereby ensuring the normal operation of the data center.

[0100] The monitoring device 90 is described in detail below, as shown below:

[0101] In one or more possible embodiments, when the target electrical signal includes a first target electrical signal and a second target electrical signal, the acquisition module 901 may be specifically configured to acquire the first target electrical signal and the second target electrical signal multiple times according to a preset period; wherein,

[0102] The first target electrical signal is used to determine a sinusoidal waveform diagram corresponding to the first target electrical signal, and the second target electrical signal is used for electrical signal storage, and the sinusoidal waveform diagram corresponding to the first target electrical signal is adjusted to obtain a sinusoidal waveform diagram corresponding to the target electrical signal.

[0103] Furthermore, the processing module 902 may be specifically configured to respectively count the first target electrical signals acquired for multiple times, and obtain a sinusoidal waveform diagram corresponding to the first target electrical signal according to the first target electrical signals acquired for multiple times;

[0104] The sine waveform diagram corresponding to the first target electrical signal is adjusted by using the second target electrical signal acquired multiple times to obtain an adjusted sine waveform diagram;

[0105] The adjusted sinusoidal waveform diagram is determined as a sinusoidal waveform diagram corresponding to the target electrical signal.

[0106] In another or more possible embodiments, the processing module 902 may be specifically configured to convert a negative voltage corresponding to the target electrical signal into a positive voltage through rectification;

[0107] According to the positive voltage, a sinusoidal waveform corresponding to the target electrical signal is obtained.

[0108] In addition, the monitoring device 90 in the embodiment of the present application may further include a selection module for selecting a plurality of peak values ​​in the sinusoidal waveform diagram, and comparing them with the peak threshold corresponding to each peak value, respectively, to obtain a comparison result;

[0109] According to the comparison result, determine whether the sine waveform graph meets the preset conditions.

[0110] The monitoring device 90 in the embodiment of the present application may further include a calculation module for acquiring a first electrical signal within a first preset time period;

[0111] A first wave peak value and a second wave peak value are calculated according to the first electrical signal. The first wave peak value and the second wave peak value are used to determine whether the sinusoidal waveform meets a preset condition, and the first wave peak value is greater than the second wave peak value.

[0112] In one or more possible embodiments, the determination module 903 is specifically configured to determine that the sinusoidal waveform meets a preset condition when the comparison result is greater than the first wave peak value and / or the comparison result is less than the second wave peak value.

[0113] The monitoring device in the embodiment of the present application can be a device, or a component, integrated circuit, or chip in an electronic device. The device can be a mobile electronic device or a non-mobile electronic device. Exemplarily, the mobile electronic device can be a mobile phone, a tablet computer, a laptop computer, a PDA, an in-vehicle electronic device, a wearable device, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a netbook or a personal digital assistant (personal digital assistant, PDA), etc., and the non-mobile electronic device can be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., which is not specifically limited in the embodiment of the present application.

[0114] The monitoring device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.

[0115] The monitoring device provided in the embodiment of the present application can achieve Figures 1 to 8 To avoid repetition, the various processes implemented by the method embodiment are not described here.

[0116] In the embodiments of the present application,

[0117] Convert the high voltage signal into a low voltage signal, and infer the generation of high voltage signal jitter from the monitoring of low voltage signal jitter. Through data collection of the target electrical signal, each AC sine wave in the sine waveform diagram corresponding to the target electrical signal is judged, and by comparison with the preset conditions, it is judged whether the target electrical signal has jittered. In the case of jittering of the target electrical signal, it is determined to indicate that the high voltage signal has jittered and affects the alarm information of the operating status of the target device powered by the power supply device. Therefore, the embodiment of the present application can directly obtain the cause of the alarm information and improve the efficiency of obtaining the cause of the alarm. In addition, by converting the high voltage signal into a low voltage signal and inferring the generation of high voltage signal jitter from the monitoring of low voltage signal jitter, the cause of the alarm information can be quickly and directly located to ensure the normal operation of the dynamic ring equipment, thereby ensuring the normal operation of the data center.

[0118] Optional, such as Fig.10As shown, the embodiment of the present application also provides a monitoring device 100, including a processor 1001, a memory 1002, and a program or instruction stored in the memory 1002 and executable on the processor 1001. When the program or instruction is executed by the processor 1001, each process of the above-mentioned monitoring method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, it will not be described here.

[0119] In addition, the embodiment of the present application further provides a detection system, including the monitoring equipment or monitoring device, display device and adjustment device as mentioned above; wherein,

[0120] A monitoring device or a monitoring apparatus, for acquiring a target electrical signal, the target electrical signal comprising a low voltage signal converted from a high voltage signal output from a power supply device; determining a sinusoidal waveform corresponding to the target electrical signal according to the target electrical signal; and, when the sinusoidal waveform satisfies a preset sinusoidal waveform, determining an alarm message according to the sinusoidal waveform, the alarm message being used to indicate that the high voltage signal has jitter and affects the operating state of a target device powered by the power supply device;

[0121] A display device, used for displaying warning information;

[0122] The adjustment device is used to adjust the operating state of the target device powered by the power supply device according to the alarm information when no user input is received within a third preset time period.

[0123] Fig.11 A schematic diagram of the hardware structure of a monitoring device provided in an embodiment of the present application.

[0124] The monitoring device 1100 includes but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, a processor 1110 and a receiver 1111.

[0125] Those skilled in the art will appreciate that the monitoring device 1100 may also include a power source (such as a battery) for supplying power to each component, and the power source may be logically connected to the processor 1110 through a power management system, thereby implementing functions such as managing charging, discharging, and power consumption management through the power management system. Fig.11 The monitoring device structure shown in the figure does not constitute a limitation on the monitoring device. The monitoring device may include more or fewer components than shown in the figure, or a combination of certain components, or a different arrangement of components, which will not be described in detail here.

[0126] It should be understood that the input unit 1104 may include a graphics processor (Graphics Processing Unit, GPU) 11041 and a microphone 11042, and the graphics processor 11041 processes the image data of the static image or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode. The display unit 1106 may include a display panel 11061, and the display panel 11061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 1107 includes a touch panel 11071 and other input devices 11072. The touch panel 11071 is also called a touch screen. The touch panel 11071 may include two parts: a touch detection device and a touch controller. Other input devices 11072 may include, but are not limited to, a physical keyboard, a function key (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, which will not be repeated here. The memory 1109 can be used to store software programs and various data, including but not limited to applications and operating systems. The processor 1110 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communications. It is understandable that the modem processor may not be integrated into the processor 1110.

[0127] An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored. When the program or instruction is executed by a processor, the various processes of the above-mentioned monitoring method embodiment are implemented and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0128] The processor is the processor in the monitoring device in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0129] In addition, an embodiment of the present application further provides a chip, which includes a processor and a communication interface, the communication interface and the processor are coupled, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned monitoring method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0130] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0131] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0132] In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

[0133] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM / RAM, a disk, or an optical disk), and includes a number of instructions for a terminal (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods of each embodiment of the present application.

[0134] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A monitoring method, characterized in that: include: Acquire a target electrical signal, wherein the target electrical signal comprises a low voltage signal converted from a high voltage signal output from a power supply device; According to the target electrical signal, determining a sinusoidal waveform diagram corresponding to the target electrical signal; Select multiple peak values ​​in the sine waveform diagram, and compare them with the peak threshold corresponding to each peak value to obtain a comparison result; When the comparison result is greater than the first wave peak value and / or the comparison result is less than the second wave peak value, determining that the sinusoidal waveform graph meets a preset condition; When the sinusoidal waveform diagram meets preset conditions, alarm information is determined based on the sinusoidal waveform diagram, and the alarm information is used to prompt that jitter exists in the high voltage signal and affects the operating state of the target device powered by the power supply device.

2. The method according to claim 1, characterized in that The target electrical signal includes a first target electrical signal and a second target electrical signal; The step of acquiring the target electrical signal comprises: The first target electrical signal and the second target electrical signal are acquired multiple times according to a preset cycle; wherein the first target electrical signal is used to determine a sinusoidal waveform corresponding to the first target electrical signal, the second target electrical signal is used for electrical signal storage, and the sinusoidal waveform corresponding to the first target electrical signal is adjusted to obtain a sinusoidal waveform corresponding to the target electrical signal.

3. The method according to claim 2, characterized in that The step of determining a sinusoidal waveform diagram corresponding to the target electrical signal according to the target electrical signal comprises: Counting the first target electrical signals acquired multiple times respectively, and obtaining a sinusoidal waveform diagram corresponding to the first target electrical signal according to the first target electrical signals acquired multiple times; The sine waveform diagram corresponding to the first target electrical signal is adjusted by using the second target electrical signal acquired multiple times to obtain an adjusted sine waveform diagram; The adjusted sinusoidal waveform diagram is determined as a sinusoidal waveform diagram corresponding to the target electrical signal.

4. The method according to claim 1, characterized in that: The step of determining a sinusoidal waveform diagram corresponding to the target electrical signal according to the target electrical signal comprises: Converting the negative voltage corresponding to the target electrical signal into a positive voltage by rectification; A sinusoidal waveform diagram corresponding to the target electrical signal is obtained according to the positive voltage.

5. The method according to claim 1, characterized in that Before determining whether the sine waveform diagram meets a preset condition according to the comparison result, the method further includes: Acquiring a first electrical signal within a first preset time period; The first wave peak value and the second wave peak value are calculated according to the first electrical signal, and the first wave peak value and the second wave peak value are used to determine whether the sinusoidal waveform diagram meets a preset condition, and the first wave peak value is greater than the second wave peak value.

6. The method according to claim 1, characterized in that The plurality of peak values ​​are contained in a waveform within at least one preset period.

7. The method according to claim 1, characterized in that After determining the alarm information according to the sinusoidal waveform diagram, the method further includes: When no user input is received within the second preset time period, the operating state of the target device powered by the power supply device is adjusted according to the alarm information.

8. A monitoring device, characterized in that: include: An acquisition module, used for acquiring a target electrical signal, wherein the target electrical signal comprises a low voltage signal converted from a high voltage signal output from a power supply device; A processing module, used to determine a sinusoidal waveform corresponding to the target electrical signal according to the target electrical signal; A determination module, configured to determine alarm information according to the sinusoidal waveform diagram when the sinusoidal waveform diagram satisfies a preset sinusoidal waveform diagram, wherein the alarm information is used to indicate that jitter exists in the high voltage signal and affects the operating state of the target device powered by the power supply device; A selection module is used to select multiple peak values ​​in the sine waveform diagram, and compare them with the peak threshold corresponding to each peak value to obtain a comparison result; The determination module is further configured to determine that the sinusoidal waveform meets a preset condition when the comparison result is greater than a first peak value and / or the comparison result is less than a second peak value.

9. A detection system, characterized in that: It comprises the monitoring device, display device and adjustment device as claimed in claim 8; wherein, The monitoring device is used to obtain a target electrical signal, wherein the target electrical signal includes a low voltage signal converted from a high voltage signal output from a power supply device; based on the target electrical signal, determine a sinusoidal waveform corresponding to the target electrical signal; select multiple peak values ​​in the sinusoidal waveform, and compare them with the peak thresholds corresponding to each peak value to obtain a comparison result; when the comparison result is greater than a first peak value and / or the comparison result is less than a second peak value, determine that the sinusoidal waveform satisfies a preset condition; and, when the sinusoidal waveform satisfies a preset sinusoidal waveform, determine an alarm message based on the sinusoidal waveform, wherein the alarm message is used to prompt that the high voltage signal has jitter and affects the operating state of the target device powered by the power supply device; The display device is used to display the warning information; The adjustment device is used to adjust the operating state of the target device powered by the power supply device according to the alarm information when no user input is received within a third preset time period.

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