CN111337856A - Power failure detection method and power failure sensor - Google Patents
Power failure detection method and power failure sensor Download PDFInfo
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- CN111337856A CN111337856A CN202010208740.XA CN202010208740A CN111337856A CN 111337856 A CN111337856 A CN 111337856A CN 202010208740 A CN202010208740 A CN 202010208740A CN 111337856 A CN111337856 A CN 111337856A
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Abstract
The invention relates to the field of electric control of communication base stations, and provides a power failure detection method and a power failure sensor, which are used for solving the problem that power supply of a base station cannot be effectively controlled. The invention provides a power failure sensor, comprising: s11, acquiring an alternating current state; and S12, judging the running condition of the alternating current, and outputting a signal according to the running condition of the alternating current. By optimizing the method, the construction management and control link during installation is simplified, the field construction is facilitated, and the number of circuit elements is reduced.
Description
Technical Field
The invention relates to the field of electric control of communication base stations, in particular to a power failure detection method and a power failure sensor.
Background
At present, power failure monitoring of a communication base station is realized by acquiring power failure information mainly through a switching power supply and uploading the power failure information to an operation and maintenance system through a communication interface and a movable ring FSU. However, due to the storage of the switching power supply, a considerable part of the communication interfaces and the monitoring modules are in failure, power failure information cannot be acquired or timely acquired, and power generation and normal mains supply cannot be distinguished. The timeliness of power generation and signal acquisition of the communication server have no effective means for controlling.
In the prior art, power failure detection is mainly realized through circuit elements, the method is difficult to adapt to various scenes, and how to manufacture a power failure sensor with wider application scenes is a technical problem to be solved urgently.
Disclosure of Invention
The invention provides a power failure detection method and a power failure sensor, which solve the technical problem that the power supply of a base station cannot be effectively controlled.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a power outage sensor comprising:
s11, acquiring an alternating current state;
and S12, judging the running condition of the alternating current, and outputting a signal according to the running condition of the alternating current.
The traditional power failure sensor realizes power failure detection and signal output by connecting circuit elements, such as inverters and other elements, and the connection between the circuit elements is usually complex; the running condition of the alternating current is detected by adopting the singlechip or the processing chip, so that the complexity of the circuit can be reduced to a certain degree, and meanwhile, the running state of the alternating current can be effectively judged.
By optimizing the method, the construction management and control link during installation is simplified, the field construction is facilitated, and the number of circuit elements is reduced.
Preferably, the step S12 is to determine an operation condition of the alternating current, and if the determination result is that the alternating current operates normally, output a signal that the alternating current operates normally; and if the alternating current is judged to be abnormal in operation, outputting a signal of abnormal operation.
Preferably, the acquiring the state of the alternating current includes acquiring one or both of a voltage state and a frequency state of the alternating current. The voltage and the frequency of the alternating current are detected, so that the running state of the alternating current can be effectively determined.
Preferably, in the step S12, when the frequency of the ac power is shifted when the ac power is determined to be in operation, it is determined that the ac power is abnormal in operation and it is determined that the power is generated. In general, the frequency deviation is generated when the self-power generation is performed by the generator, and thus the frequency is detected.
Preferably, the signal of normal operation includes one of a high voltage or a large current, and the signal of abnormal operation includes one of a low voltage or a small current. The existing FSU equipment connected with the sensor can receive signals of voltage or current, and the sensor realizes the output of the signals through different voltages and currents.
Preferably, the FSU port type is obtained before the signal is output, and the signal type to be output is determined according to the FSU port type. The type of FSU equipment connected with the sensor is obtained before the signal is output, so that the FSU equipment can be adapted to most equipment.
Preferably, if the alternating current deviation is greater than 0.1Hz or the alternating current voltage is out of the range of 176-264V, the alternating current is judged to be abnormal in operation or self-generating.
Preferably, the manner of acquiring the state of the alternating current is to acquire the state of the alternating current by means of isolated sampling. Isolated sampling may protect the device.
A power failure sensor comprises a sampling module, a processing module and an output module, wherein the sampling module is connected with the processing module, and the processing module is connected with the output module;
the sampling module acquires the state of the alternating current, the processing module judges the running condition of the alternating current according to the state of the alternating current acquired by the sampling module, and the processing module outputs signals through the output module according to the running condition of the alternating current.
Preferably, the device further comprises a port detection module, the port detection module is connected with the processing module, the port detection module acquires the type of the FSU port, and the processing module determines the type of the output signal according to the type of the FSU port.
Preferably, the sampling mode of the sampling module is isolated sampling, and the sampling module is connected with the surge protection module.
Compared with the prior art, the invention has the beneficial effects that: by optimizing the method, the construction management and control link during installation is simplified, the field construction is facilitated, and the number of circuit elements is reduced; different types of FSU devices can be adapted to provide a plurality of data output types; the power failure information can be timely and effectively acquired, and the artificial power failure and the power supply fault can be distinguished.
Drawings
Fig. 1 is a schematic diagram of a power outage sensing detection method.
FIG. 2 is another schematic diagram of a power outage sensor.
FIG. 3 is another schematic diagram of a power outage sensor.
Detailed Description
The following examples are further illustrative of the present invention and are not intended to be limiting thereof.
Example 1
A power outage detection method comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises the frequency and the voltage of alternating current;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a voltage signal;
s12, judging the running condition of the alternating current, if the voltage is 176-264V and the frequency is 49.9-50.1 Hz, judging that the alternating current runs normally, and outputting high voltage;
if the voltage is less than 176V or the frequency is deviated by more than 0.1Hz, the alternating current operation is judged to be abnormal, and low voltage is output.
The traditional power failure sensor realizes power failure detection and signal output by connecting circuit elements, such as inverters and other elements, and the connection between the circuit elements is usually complex; the running condition of the alternating current is detected by adopting the singlechip or the processing chip, so that the complexity of the circuit can be reduced to a certain degree, and meanwhile, the running state of the alternating current can be effectively judged. By optimizing the method, the construction management and control link during installation is simplified, the field construction is facilitated, and the number of circuit elements is reduced. The voltage and the frequency of the alternating current are detected, so that the running state of the alternating current can be effectively determined. In general, the frequency deviation is generated when the self-power generation is performed by the generator, and thus the frequency is detected. The type of FSU equipment connected with the sensor is obtained before the signal is output, so that the FSU equipment can be adapted to most equipment. Isolated sampling may protect the device.
Example 2
A power outage detection method comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises the frequency and the voltage of alternating current;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a current signal;
s12, judging the running condition of the alternating current, if the voltage is 176-264V and the frequency is 50 +/-0.1 Hz, judging that the alternating current runs normally, and outputting large current;
if the voltage is less than 220V or the frequency deviates more than 0.1Hz, the alternating current is judged to be abnormal, and a small current is output.
Example 3
A power outage sensor comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises the frequency of alternating current;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a voltage signal;
s12, judging the running condition of the alternating current, if the frequency is 49.9-50.1 Hz, judging that the alternating current runs normally, and outputting high voltage;
if the frequency deviates more than 0.1Hz, judging that the alternating current operates abnormally, and outputting low voltage; or judging as self-generating.
Example 4
A power outage sensor comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises voltage;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a voltage signal;
s12, judging the running condition of the alternating current, if the voltage is 176-264V, judging that the alternating current runs normally, and outputting high voltage;
if the voltage is less than 176V, judging that the alternating current operates abnormally, and outputting low voltage; or judging as self-generating.
Example 5
A power outage detection method comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises the frequency of alternating current;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a current signal;
s12, judging the running condition of the alternating current, if the frequency is 49.9-50.1 Hz, judging that the alternating current runs normally, and outputting large current;
if the frequency deviates more than 0.1Hz, judging that the alternating current operates abnormally, and outputting small current; or judging as self-generating.
Example 6
A power outage detection method comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises the voltage of alternating current;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a current signal;
s12, judging the running condition of the alternating current, if the voltage is 176-264V, judging that the alternating current runs normally, and outputting large current;
if the voltage is lower than 176V, judging that the alternating current operates abnormally, and outputting small current; or judging as self-generating.
Example 7
A power failure sensor comprises a sampling module, a processing module, a port detection module and an output module, wherein the sampling module is connected with the processing module, and the processing module is connected with the output module;
the sampling module acquires the state of the alternating current, the processing module judges the running condition of the alternating current according to the state of the alternating current acquired by the sampling module, and the processing module outputs signals through the output module according to the running condition of the alternating current. The port detection module is connected with the processing module, the port detection module acquires the FSU port type, and the processing module determines the output signal type according to the FSU port type. The sampling mode of the sampling module is isolated sampling, and the sampling module is connected with the surge protection module.
Example 8
A power failure sensor comprises a sampling module, a processing module, a port detection module and an output module, wherein the sampling module is connected with the processing module, and the processing module is connected with the output module;
the sampling module acquires the state of the alternating current, the processing module judges the running condition of the alternating current according to the state of the alternating current acquired by the sampling module, and the processing module outputs signals through the output module according to the running condition of the alternating current. The port detection module is connected with the processing module, the port detection module acquires the FSU port type, and the processing module determines the output signal type according to the FSU port type. The sampling mode of the sampling module is isolated sampling, and the sampling module is connected with the surge protection module. And the processing module is connected with the feedback module.
Example 9
A power outage sensor comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises the frequency of alternating current;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a voltage signal;
s12, judging the running condition of the alternating current, if the frequency is 49.9-50.1 Hz, judging that the alternating current runs normally, and outputting high voltage;
if the frequency deviates more than 0.1Hz, the alternating current is judged to be abnormal, and low voltage is output.
Example 10
A power outage sensor comprising:
s11, acquiring an alternating current state, wherein the alternating current state comprises the frequency of alternating current;
acquiring the type of the FSU port, and determining the type of the output signal according to the type of the FSU port, wherein in the embodiment, the FSU can receive a voltage signal;
s12, judging the running condition of the alternating current, if the voltage is 176-264V, judging that the alternating current runs normally, and outputting high voltage;
if the voltage is less than 176V, the alternating current operation is judged to be abnormal, and low voltage is output.
The above detailed description is specific to possible embodiments of the present invention, and the above embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included in the present claims.
Claims (10)
1. A power outage detection method, comprising:
s11, acquiring an alternating current state;
and S12, judging the running condition of the alternating current, and outputting a signal according to the running condition of the alternating current.
2. The power outage detection method according to claim 1, wherein in the step S12, the operation condition of the alternating current is determined, and if the ac operation is determined to be normal, a signal of normal operation is output; and if the alternating current is judged to be abnormal in operation, outputting a signal of abnormal operation.
3. The method of claim 1, wherein the obtaining the AC power state comprises obtaining one or both of a voltage state and a frequency state of the AC power.
4. The power outage detection method according to claim 1, wherein in the step S12, when the ac power operation condition is determined, if a frequency deviation occurs in the state of the ac power, and the frequency deviation is greater than 0.1Hz, it is determined that the ac power operation is abnormal.
5. The power outage detection method according to claim 1, wherein the signal that the operation is normal comprises one of a high voltage or a large current, and the signal that the operation is abnormal comprises one of a low voltage or a small current.
6. The power failure detection method according to claim 1, wherein if the frequency deviation of the alternating current is greater than 0.1Hz or the voltage of the alternating current is out of the range of 176-264V, the alternating current is determined to be abnormal in operation or self-generating.
7. The power failure detection method according to claim 1, wherein an FSU port type is obtained before the signal is output, and the signal type to be output is determined according to the FSU port type; the mode of obtaining the alternating current state is obtained by an isolation sampling mode.
8. The power failure sensor is characterized by comprising a sampling module, a processing module and an output module, wherein the sampling module is connected with the processing module, and the processing module is connected with the output module;
the sampling module acquires the state of the alternating current, the processing module judges the running condition of the alternating current according to the state of the alternating current acquired by the sampling module, and the processing module outputs signals through the output module according to the running condition of the alternating current.
9. The outage sensor of claim 8, further comprising a port detection module connected to the processing module, the port detection module acquiring the FSU port type, the processing module determining the output signal type based on the FSU port type.
10. The outage sensor according to claim 8, wherein the sampling module is connected with the surge protection module in a mode of isolated sampling.
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| CN202010208740.XA CN111337856A (en) | 2020-03-23 | 2020-03-23 | Power failure detection method and power failure sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113329089A (en) * | 2021-06-03 | 2021-08-31 | 鹤壁职业技术学院 | Remote power failure alarm system based on Internet of things |
| CN114229638A (en) * | 2021-11-10 | 2022-03-25 | 淮北矿业股份有限公司 | Mine hoist safety circuit instant open circuit fault capture circuit |
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| CN114229638A (en) * | 2021-11-10 | 2022-03-25 | 淮北矿业股份有限公司 | Mine hoist safety circuit instant open circuit fault capture circuit |
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Application publication date: 20200626 |