CN110780106A - Surge protector monitoring method and device - Google Patents
Surge protector monitoring method and device Download PDFInfo
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- CN110780106A CN110780106A CN201911032577.XA CN201911032577A CN110780106A CN 110780106 A CN110780106 A CN 110780106A CN 201911032577 A CN201911032577 A CN 201911032577A CN 110780106 A CN110780106 A CN 110780106A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- 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
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Abstract
The embodiment of the invention provides a device and a method for monitoring a surge protector, wherein the device for monitoring the surge protector comprises the following components: the monitoring module, the communication module, the display module, the power supply module and the storage module are respectively connected with the control module; the monitoring module comprises a voltage monitoring unit, a current monitoring unit, a temperature monitoring unit, an environment temperature and humidity monitoring unit, a remote signaling monitoring unit, a lightning current monitoring unit and a grounding state monitoring unit. Through the monitoring to surge protector, can real-time supervision surge protector's operating condition, save and upload above-mentioned real-time supervision's data, can report to the police and analyze the trouble reason when the trouble takes place.
Description
Technical field 1
The invention relates to the technical field of surge protection devices, in particular to a monitoring method and a monitoring device of a surge protection device.
Background
On average, over 2000 thunderstorms are in progress at any one time, fire, explosion, building destruction, human and animal casualties, equipment damage and the like. After a lightning strike, the formed electromagnetic pulse can invade an equipment system through an active line, various signal transmission lines, an antenna feeder line, a cable entering the system and a conductor of a bridge, so that electronic equipment is failed or permanently damaged. At present, a common lightning protection method is to install a surge protector in an external circuit of an electronic device, and discharge lightning current into the ground on an intrusion channel, so as to achieve the purpose of protecting the electronic device and personal safety. However, when the surge protector itself fails, short-circuiting or damage to the protected device may occur.
The existing monitoring method of the surge protector is to inspect the surge protector on site through maintenance personnel, a large amount of monitoring equipment and a large amount of labor cost are consumed, and if the number of protection points is large, multipoint simultaneous comprehensive monitoring cannot be realized basically.
Disclosure of Invention
In view of the above problems, embodiments of the present invention have been developed to provide a method of surge protector monitoring and a corresponding apparatus of surge protector monitoring that overcome or at least partially solve the above problems.
In order to solve the above problems, an embodiment of the present invention discloses a device for monitoring a surge protector, including: the monitoring module, the communication module, the display module, the power supply module and the storage module are respectively connected with the control module;
the monitoring module comprises a voltage monitoring unit, a current monitoring unit, a temperature monitoring unit, an environment temperature and humidity monitoring unit, a remote signaling monitoring unit, a lightning current monitoring unit and a grounding state monitoring unit.
Further, the voltage monitoring unit comprises a voltage transformer and a first operational circuit subunit, the voltage transformer is connected with the surge protector in parallel, the voltage transformer is connected with the first operational circuit subunit, and the first operational circuit subunit is connected with the control module.
Further, the current monitoring unit comprises a current transformer and a second operation circuit subunit, the current transformer is connected with the surge protector in series, the current transformer is connected with the second operation circuit subunit, and the second operation circuit subunit is connected with the control module.
Further, the temperature monitoring unit comprises a temperature sensor for monitoring the surface temperature of the surge protector and a first resistor, the temperature sensor and the first resistor are connected in series between the power supply module and the ground potential, and the first resistor and the control module are connected in parallel.
Further, the environment temperature and humidity monitoring unit comprises a temperature and humidity sensor, and the temperature and humidity sensor is respectively connected with the power supply module and the control module.
Further, the surge protector comprises a remote signaling interface, the remote signaling monitoring unit comprises a second resistor and a third resistor, and the remote signaling interface, the second resistor and the third resistor are connected in series between the power supply module and the control module.
Further, the lightning current monitoring unit comprises a follower, a converter, a comparator and a holding circuit subunit.
The embodiment of the invention discloses a surge protector monitoring method, which comprises the steps of monitoring in real time by adopting the surge protector monitoring device, obtaining monitoring data by monitoring the voltage, the current, the temperature, the environment temperature and humidity, remote signaling, the lightning current and the grounding state of the surge protector through a monitoring module, analyzing through a control module, displaying an analysis result on a display module, displaying a lightning current monitoring value, the grounding state, whether the surge protector has a fault or not and the fault reason through the display module, and uploading the monitoring data in real time through the communication module.
The embodiment of the invention has the following advantages: through the monitoring to surge protector, can real-time supervision surge protector's operating condition, save and upload above-mentioned real-time supervision's data, can report to the police and analyze the trouble reason when the trouble takes place.
Drawings
Fig. 1 is a block diagram of an embodiment of a surge protector monitoring apparatus of the present invention;
FIG. 2 is a block diagram of an embodiment of a voltage monitoring unit according to the present invention;
FIG. 3 is a block diagram of an embodiment of a current monitoring unit of the present invention;
FIG. 4 is a block diagram of a temperature monitoring unit according to an embodiment of the present invention;
FIG. 5 is a block diagram of an embodiment of an environmental temperature and humidity monitoring unit according to the present invention;
FIG. 6 is a block diagram of an embodiment of a remote signaling monitoring unit of the present invention;
FIG. 7 is a block diagram of a lightning current monitoring unit according to an embodiment of the present invention;
FIG. 8 is a block diagram of an embodiment of a ground condition monitoring unit according to the present invention;
FIG. 9 is a block diagram of a memory module embodiment of the present invention;
FIG. 10 is a block diagram of the structure of one embodiment of a power module of the present invention;
fig. 11 is a block diagram of a display module according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
One of the core concepts of the embodiments of the present invention is that, as shown in fig. 1 to 11, there is provided a surge protector monitoring apparatus, including: the monitoring module, the communication module, the display module, the power supply module and the storage module are respectively connected with the control module; the monitoring module comprises a voltage monitoring unit, a current monitoring unit, a temperature monitoring unit, an environment temperature and humidity monitoring unit, a remote signaling monitoring unit, a lightning current monitoring unit and a grounding state monitoring unit. Through the monitoring to surge protector, can real-time supervision surge protector's operating condition, save and upload above-mentioned real-time supervision's data, can report to the police and analyze the trouble reason when the trouble takes place.
Referring to fig. 1, a block diagram of an embodiment of a device for monitoring a surge protection device of the present invention is shown, and specifically, the device may include a monitoring module, a control module, a communication module, a display module, a power supply module, and a storage module, where the monitoring module, the communication module, the display module, the power supply module, and the storage module are respectively connected to the control module; the monitoring module comprises a voltage monitoring unit, a current monitoring unit, a temperature monitoring unit, an environment temperature and humidity monitoring unit, a remote signaling monitoring unit, a lightning current monitoring unit and a grounding state monitoring unit.
Referring to fig. 2, in this embodiment, the voltage monitoring unit includes a voltage transformer and a first operational circuit subunit, the voltage transformer is connected in parallel with the surge protector, the voltage transformer is connected with the first operational circuit subunit, and the first operational circuit subunit is connected with the control module. The voltage at the two ends of the 3-path surge protector is monitored through the voltage detection monitoring unit, the real-time voltage values at the two ends of the surge protector are displayed on the display module, and when the voltage at the two ends of the surge protector exceeds an alarm voltage threshold value, the display module displays an alarm. In a specific embodiment, the voltage values at the two ends of the surge protector are transmitted to the operational circuit subunit through the voltage transformer and then transmitted to the control module, the control module in this embodiment is specifically set as an MCU processor, and the actual voltage values are displayed in the display module after data processing by the MCU processor, the display module in this embodiment is specifically set as a TFT touch display screen, and finally, the data are recorded in the storage module so as to be analyzed and checked.
Referring to fig. 3, in this embodiment, the current monitoring unit includes a current transformer and a second operational circuit subunit, the current transformer is connected in series with the surge protector, the current transformer is connected with the second operational circuit subunit, and the second operational circuit subunit is connected with the control module. The monitoring module monitors the current of the 3 paths of surge protection devices, the real-time current value is displayed on the display module, when the current value exceeds the alarm current threshold value, the leakage current of the surge protection devices is too high, the surge protection devices are damaged or aged, and the display module displays an alarm. A current transformer is sleeved at an output line end of the surge protector, the induced current of the current transformer is transmitted to an MCU (microprogrammed control unit) processor after passing through an arithmetic circuit, the current value of a plurality of points is selected in a current measurement range for calibration, the current measurement range in a specific embodiment is 0-100000 mu A, and the acquired current signal can display the current value in a TFT (thin film transistor) touch display screen after being processed by data of the MCU processor. And data recording is performed for analysis and viewing.
Referring to fig. 4, in the present embodiment, the temperature monitoring unit includes a temperature sensor for monitoring a surface temperature of the surge protector and a first resistor, the temperature sensor and the first resistor are connected in series between the power supply module and the ground potential, and the first resistor is connected in parallel with the control module. The monitoring module monitors the surface temperature of the 4-path surge protector, compares the surface temperature with the ambient temperature, and displays an alarm when the temperature rise value exceeds a preset alarm temperature rise threshold value. A plurality of temperature sensors are respectively attached to each position of the surface of the surge protector, the temperature sensors are connected with a first resistor R1 in series and are connected between the power supply module and the ground potential, and the MCU processor is connected with the first resistor R1 in parallel. The resistance value of the temperature sensor changes along with the temperature change of the surge protector, so that the voltage at two ends of the first resistor R1 changes correspondingly, and the MCU processor displays corresponding temperature in the TFT touch display screen according to the voltage value at two ends of the first resistor R1. And data recording is performed for analysis and viewing.
Referring to fig. 5, in this embodiment, the environment temperature and humidity monitoring unit includes a temperature and humidity sensor, and the temperature and humidity sensor is connected with the power supply module and the control module respectively. The monitoring module monitors the environment temperature and humidity, compares the environment temperature and the temperature of the surge protector, and displays and alarms when the temperature rise of the surge protector exceeds the standard allowable range. The temperature and humidity sensor is placed in a place which is not affected by temperature change of the surge protector, the temperature and humidity sensor is connected with the power supply module and the grounding port, and the serial data port of the temperature and humidity sensor is connected to the port of the MCU processor. The temperature sensor can transmit temperature and humidity information to the MCU processor, and the MCU processor can display the temperature and humidity information in the TFT touch display screen after data processing of the MCU processor. And data recording is performed for analysis and viewing.
Referring to fig. 6, in this embodiment, the surge protection device includes a remote signaling interface, the remote signaling monitoring unit includes a second resistor and a third resistor, and the remote signaling interface, the second resistor and the third resistor are connected in series between the power supply module and the control module. And connecting a remote signaling port of the surge protector, and displaying and alarming by equipment when the remote signaling port of the surge protector gives an alarm. A remote signaling interface of the surge protector, a second resistor R2 and a third resistor R3 are connected between a power supply VCC and a pin of the MCU processor in series, when the remote signaling port is closed, the MCU processor is in a high level state, and when the remote signaling port is disconnected, the MCU processor is in a suspension state.
Referring to fig. 7, in the present embodiment, the lightning current monitoring unit includes a follower, a converter, a comparator, and a holding circuit sub-unit. When thunder and lightning occur, lightning current can flow through the surge protector, and at the moment, the lightning current monitoring module can collect the forward voltage and the reverse voltage of the lightning current flowing through the surge protector and display the forward voltage and the reverse voltage in the display module. And when the monitored lightning current value is larger than the preset nominal discharge current value, the MCU processor sends out an alarm signal that the equipment can be damaged. The current transformer is sleeved on the lightning protection grounding wire, when lightning current flows, the current transformer can transmit the sensed current to the voltage follower with a certain change proportion and the circuit which is kept, and then the sensed current is transmitted to the MCU processor, and the acquired lightning current numerical value is displayed on the TFT touch display screen by the MCU processor; when no lightning current exists, the MCU processor sends out a signal to reduce the high level signal on the voltage holding circuit to a low level signal.
Referring to fig. 8, the grounding status monitoring module in this embodiment is used to monitor whether the grounding status of the grounding wire is intact. An isolation power supply and an optical coupler are connected in series between a neutral line and a ground line of the surge protector, the isolation power supply raises the voltage of the neutral line, the optical coupler is controlled to be on or off by an MCU processor, when the optical coupler is in an on state, current flows from the neutral line to the ground line, and when the optical coupler is in an off state, no current flows from the neutral line to the ground line; sleeving a current transformer on the ground wire, comparing the induced current of the current transformer with a certain fixed voltage value through a comparator after the induced current of the current transformer passes through a circuit with a certain amplification factor, and transmitting a high-level signal to an MCU processor by the comparator when the induced current of the current transformer is large; when the current induced by the current transformer is small, the comparator transmits a low-level signal to the MCU processor, and then the MCU processor displays the grounding state in the TFT touch display screen.
Referring to fig. 9, the data storage module in this embodiment specifically uses a storage chip, and when the data collected by the collection circuit unit of the monitoring module is transmitted to the control module, the control module stores the data in the storage chip.
Referring to fig. 10, in this embodiment, the power supply module further includes a UPS power supply, when the surge protector monitoring device is powered by the power supply, each device in the circuit is driven by the power supply, when the power supply fails, the power supply stops supplying power, the UPS power supply in the device continues to supply power to each device, and the surge protector monitoring device can still work normally when the power failure condition is maintained.
Referring to fig. 11, in this embodiment, the display module is specifically configured as a TFT touch display/input module, and the TFT touch display/input module includes a display screen and keys. When the data collected by the circuit are transmitted to the MCU processor, the processor can display the data in the display screen, and a user can select and display the data to be displayed by using the keys.
In the communication module in this embodiment, the monitoring equipment supports various wired and wireless port communications such as RS485, RS232, net gape RJ45, GPRS, WIFI. The data in the MCU processor and the storage chip can be transmitted to the internet or a local area network server to realize data uploading.
The control module in this embodiment is specifically an MCU processor, and the MCU processor can analyze whether the surge protector is damaged or not according to the change of the monitoring data of each module. When lightning current occurs or voltage acquisition data becomes large, the current acquisition data temporarily becomes large, and the temperature acquisition data temporarily becomes large to be a normal phenomenon; if the current acquisition data continuously become larger or the temperature acquisition data continuously become larger, the surge protector is possibly damaged, and the MCU processor sends out an alarm signal. When no lightning current occurs or voltage acquisition data is not enlarged, the current acquisition data is enlarged or the temperature acquisition data is enlarged, which indicates that the surge protector is possibly damaged, and the MCU processor sends an alarm signal. And inputting a nominal discharging current value of the surge protector in the surge protector monitoring equipment, and when the monitored lightning current value is larger than the input nominal discharging current value, sending an alarm signal by the MCU processor.
The device of surge protector monitoring that this application provided synthesizes the data of a plurality of aspects such as gathering surge protector's voltage, electric current, temperature, telesignalling, lightning current, ground connection state to support the application of a plurality of functions such as screen display, data storage and upload, fall electric normal work, integrated multi-functional, miniaturized, fast, multiple advantages and such as low-power consumption and low cost. Not only through gathering real-time supervision's data, can also judge the reason that surge protector broke down according to the change condition of data gathered, really realize intelligent surge protector monitoring.
The steps of the embodiment of the surge protector monitoring method of the present invention may specifically include: the device adopting the surge protector for monitoring carries out real-time monitoring, the monitoring module monitors voltage, current, temperature, environment temperature and humidity, remote signaling, lightning current and grounding state of the surge protector to obtain monitoring data, the monitoring data are analyzed through the control module, an analysis result is displayed on the display module, the display module is used for displaying a lightning current monitoring value, a grounding state, whether the surge protector breaks down or not and failure reasons, and the monitoring data are uploaded in real time through the communication module.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of 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, embodiments of 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.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (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. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The surge protector monitoring method and the surge protector monitoring device provided by the invention are described in detail, specific examples are applied in the text to explain the principle and the implementation mode of the invention, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. An apparatus for surge protector monitoring, comprising: the monitoring module, the communication module, the display module, the power supply module and the storage module are respectively connected with the control module;
the monitoring module comprises a voltage monitoring unit, a current monitoring unit, a temperature monitoring unit, an environment temperature and humidity monitoring unit, a remote signaling monitoring unit, a lightning current monitoring unit and a grounding state monitoring unit.
2. The apparatus of claim 1, wherein the voltage monitoring unit comprises a voltage transformer and a first operational circuit subunit, the voltage transformer is connected in parallel with the surge protector, and the voltage transformer is connected with the first operational circuit subunit, and the first operational circuit subunit is connected with the control module.
3. The apparatus of claim 1, wherein the current monitoring unit comprises a current transformer and a second operational circuit subunit, the current transformer is connected in series with the surge protector, and the current transformer is connected with the second operational circuit subunit, and the second operational circuit subunit is connected with the control module.
4. The apparatus of claim 1, wherein the temperature monitoring unit comprises a temperature sensor for monitoring a surface temperature of the surge protector and a first resistor, the temperature sensor and the first resistor are connected in series between the power supply module and a ground potential, and the first resistor is connected in parallel with the control module.
5. The device of claim 1, wherein the environment temperature and humidity monitoring unit comprises a temperature and humidity sensor, and the temperature and humidity sensor is connected with the power supply module and the control module respectively.
6. The apparatus of claim 1, wherein the surge protector device comprises a remote signaling interface, wherein the remote signaling monitoring unit comprises a second resistor and a third resistor, and wherein the remote signaling interface, the second resistor, and the third resistor are connected in series between the power module and the control module.
7. The apparatus of claim 1, wherein the lightning current monitoring unit comprises a follower, a converter, a comparator and a hold circuit subunit.
8. A surge protector monitoring method is characterized in that a surge protector monitoring device according to any one of claims 1-7 is adopted for real-time monitoring, a monitoring module monitors voltage, current, temperature, environment temperature and humidity, remote signaling, lightning current and grounding state of a surge protector to obtain monitoring data, a control module analyzes the monitoring data and displays an analysis result on a display module, the display module is used for displaying a lightning current monitoring value, the grounding state, whether the surge protector breaks down or not and failure reasons, and the communication module uploads the monitoring data in real time.
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| CN201911032577.XA CN110780106A (en) | 2019-10-28 | 2019-10-28 | Surge protector monitoring method and device |
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| CN201911032577.XA CN110780106A (en) | 2019-10-28 | 2019-10-28 | Surge protector monitoring method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798038A (en) * | 2020-12-03 | 2021-05-14 | 安徽亿纵电子科技有限公司 | Intelligent detection device and method for lightning protection system |
| CN114552551A (en) * | 2022-02-28 | 2022-05-27 | 国网上海市电力公司 | Multi-station fusion edge data center lightning protection device and sampling control method |
| CN115494330A (en) * | 2022-09-23 | 2022-12-20 | 北京Abb低压电器有限公司 | Method for estimating residual life of surge protector on line, surge protector and electronic equipment |
-
2019
- 2019-10-28 CN CN201911032577.XA patent/CN110780106A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798038A (en) * | 2020-12-03 | 2021-05-14 | 安徽亿纵电子科技有限公司 | Intelligent detection device and method for lightning protection system |
| CN114552551A (en) * | 2022-02-28 | 2022-05-27 | 国网上海市电力公司 | Multi-station fusion edge data center lightning protection device and sampling control method |
| CN115494330A (en) * | 2022-09-23 | 2022-12-20 | 北京Abb低压电器有限公司 | Method for estimating residual life of surge protector on line, surge protector and electronic equipment |
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