CN110967653A - Electric leakage detection device and electric leakage detection method - Google Patents
Electric leakage detection device and electric leakage detection method Download PDFInfo
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- CN110967653A CN110967653A CN201911261612.5A CN201911261612A CN110967653A CN 110967653 A CN110967653 A CN 110967653A CN 201911261612 A CN201911261612 A CN 201911261612A CN 110967653 A CN110967653 A CN 110967653A
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- 238000004891 communication Methods 0.000 abstract description 4
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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
- G01R19/145—Indicating the presence of current or voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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Abstract
The invention discloses a leakage detection device and a method for detecting leakage, which are used for detecting whether leakage occurs and giving an alarm, wherein the leakage detection device comprises: the voltage sensing device is electrically connected with the zero line and is used for acquiring an electric signal of the zero line; and the processor is electrically connected with the voltage sensing device and used for judging whether electric leakage exists according to the electric signals acquired by the voltage sensing device, and the on-site and remote alarm of low-voltage electric leakage is realized by detecting the acquisition, monitoring and judging of the electric leakage device and triggering the acousto-optic alarm module and the communication module.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a leakage detection device and a leakage detection method.
Background
In the power industry, low-voltage lines are damaged due to the factors of long commissioning age limit of distribution lines, more equipment in old transformer areas, bad operating environment and the like, and zero lines are electrified and pressed when the distribution lines are lapped together, so that an equipment fence has an electric leakage phenomenon, and personal safety of nearby society is threatened.
At present, people call to a power grid company after being electrified, and then the power grid company sends out operation and maintenance personnel for maintenance, and the operation and maintenance work is in a passive processing state. There is no device that can detect leakage in advance to solve this problem.
Disclosure of Invention
The invention aims to provide a leakage detection device and a leakage detection method, which are used for detecting the leakage phenomenon of a zero line.
In order to achieve the purpose, the invention adopts the following technical scheme: a device for detecting electrical leakage, comprising: the voltage sensing device is electrically connected with the zero line and is used for acquiring a voltage signal of the zero line;
and the processor is electrically connected with the voltage sensing device and used for judging whether the zero line leaks electricity or not according to the voltage signal acquired by the voltage sensing device.
Optionally, the leakage detection device further comprises a data processing circuit; the data processing circuit is electrically connected with the voltage sensing device, and the data processing circuit is electrically connected with the processor;
the data processing circuit is used for converting the voltage signals collected by the voltage sensing device into voltage digital signals.
Optionally, the leakage detection device further includes a current sensing device, the current sensing device is electrically connected to the zero line, and the current sensing device is configured to acquire a current signal of the zero line;
the current sensing device is electrically connected with the processor, and the processor is also used for judging whether the zero line leaks electricity according to the current signal acquired by the current sensing device;
the current sensing device is electrically connected with the data processing circuit, and the data processing circuit is used for converting the current signals acquired by the current sensing device into current digital signals.
Optionally, the leakage detection device further comprises an alarm processing device, and the alarm processing device is electrically connected with the processor;
and the alarm processing device is used for carrying out alarm processing when the processor judges that the zero line leaks electricity.
Optionally, the alarm processing device is an acousto-optic alarm module; and the acousto-optic alarm module is used for sending out alarm information of an acoustic signal and an optical signal when the processor judges that the zero line leaks electricity.
Optionally, the alarm processing device is a sending module, and the sending module is in signal connection with the monitoring device;
and the sending module is used for sending a leakage signal to the monitoring equipment when the processor judges that the zero line leaks electricity.
Optionally, the method is applied to the detection of an electrical leakage device according to claim 1;
the method comprises the following steps: acquiring a voltage signal of a zero line through the voltage sensing device so as to enable the processor to acquire the voltage signal; and judging whether the zero line leaks electricity or not according to the voltage signal through the processor.
Optionally, the device for detecting electric leakage further comprises a data processing circuit, the data processing circuit is electrically connected with the voltage sensing device, and the data processing circuit is electrically connected with the processor;
before the processor determines whether the zero line leaks electricity according to the voltage signal, the method further includes:
and converting the voltage signal collected by the voltage sensing device into a voltage digital signal through the data processing circuit.
Optionally, the leakage detection device further comprises an alarm processing device, and the alarm processing device is electrically connected with the processor;
after the processor judges whether the zero line leaks electricity according to the voltage signal, the method further comprises the following steps:
and when the processor judges the electric leakage, the alarm processing device is used for carrying out alarm processing.
Optionally, the alarm processing device is an acousto-optic alarm module and a sending module; the alarm processing by the alarm processing device includes: sending alarm information of acoustic signals and optical signals through the acousto-optic alarm module; or, the sending module sends a leakage signal to the monitoring device.
The invention has the beneficial effects that: the embodiment of the invention provides a leakage detection device and a leakage detection method, which comprise a voltage sensing device and a processor, wherein the voltage sensing device is electrically connected with a zero line and is used for acquiring a voltage signal of the zero line; the processor is electrically connected with the voltage sensing device and used for judging whether the zero line leaks electricity or not according to the voltage signal acquired by the voltage sensing device.
The on-site and remote alarm of low-voltage electric leakage is realized by collecting, monitoring, judging and triggering the audible and visual alarm module and the communication module of the electric leakage detection device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic diagram of an overall structure of a leakage detection device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a leakage detection device according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for detecting leakage according to an embodiment of the present invention.
In the figure: 1. detecting a leakage device; 2. a processor; 3. a data processing circuit; 4. an acousto-optic alarm module; 5. and a sending module.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating an overall structure of a leakage detection device according to an embodiment of the present invention,
a device for detecting electrical leakage 1, comprising: the voltage sensing device is electrically connected with the zero line and is used for acquiring a voltage signal of the zero line; and the processor 2 is electrically connected with the voltage sensing device and is used for judging whether the zero line leaks electricity according to the voltage signal acquired by the voltage sensing device.
The leakage detection device is arranged on an outdoor low-voltage lead, a voltage sensing device is arranged in the leakage detection device, the voltage sensing device is electrically connected with a zero line, and as shown in figure 1, two test wires extend out of the leakage detection device and are used for testing the voltage of the zero line; the voltage sensing device collects voltage signals and sends the voltage signals to the processor, the processor judges the voltage signals, and when the zero line voltage is higher than 36V, the phenomenon of electric leakage is judged to exist.
Further, the device for detecting electric leakage further comprises: the data processing circuit 3, the data processing circuit 3 is specifically an analog-to-digital converter; the data processing circuit 3 is electrically connected with the voltage sensing device, and the data processing circuit 3 is electrically connected with the processor 2; the data processing circuit 3 is used for converting the voltage signal collected by the voltage sensing device into a voltage digital signal. The data processing circuit 3 converts the electrical signal into binary data for the processor to make a recognition decision.
The electrical signal transmitted by the voltage sensing device is collected, processed by the data processing circuit, and transmitted to the processor for judgment, as shown in fig. 2, the processor is a Central Processing Unit (CPU) or a single chip. When the voltage reaches the national regulation safety voltage of more than 36V, a rear-section trigger signal is generated, and the acousto-optic alarm module and the sending module are started.
Furthermore, the leakage detection device also comprises a current sensing device, wherein the current sensing device is electrically connected with the zero line and is used for acquiring a current signal of the zero line; the processor is also used for judging whether the zero line leaks electricity according to the current signal acquired by the current sensing device; the current sensing device is electrically connected with the data processing circuit, and the data processing circuit is used for converting current signals collected by the current sensing device into current digital signals. A current sensing device is added to assist in monitoring and judging whether a current leakage phenomenon exists or not.
Further, as shown in fig. 2, the device for detecting leakage 1 further includes an alarm processing device, and the alarm processing device is electrically connected to the processor; the alarm processing device is used for carrying out alarm processing when the processor judges that the zero line leaks electricity. The alarm processing device is electrically connected with the processor;
the alarm processing device is used for carrying out alarm processing when the processor judges that the zero line leaks electricity.
Further, the alarm processing device is an acousto-optic alarm module 4; and the acousto-optic alarm module 4 is used for sending out alarm information of an acoustic signal and an optical signal when the processor judges that the zero line leaks electricity. For example, a preset voice prompt of 'leakage, please leave' is played, and the voice prompt is accompanied by red light flashing.
Further, the alarm processing device is a sending module 5; the sending module 5 is in signal connection with the monitoring equipment; and the sending module 5 is used for sending a leakage signal to the monitoring equipment when the processor 2 judges that the zero line leaks electricity.
And when the acquired voltage and current values are subjected to data processing through the data processing circuit and judged by the CPU, and the voltage value reaches over 36V, the sending module is triggered to send a fault short message to the remote monitoring equipment.
In summary, an embodiment of the present invention provides a device for detecting electrical leakage, including a voltage sensing device and a processor, where the voltage sensing device is electrically connected to a zero line, and the voltage sensing device is configured to acquire a voltage signal of the zero line; the processor is electrically connected with the voltage sensing device and used for judging whether the zero line leaks electricity or not according to the voltage signal acquired by the voltage sensing device. The voltage is collected and monitored by detecting the electric leakage device, and the acousto-optic alarm module and the communication module are triggered after the voltage value is judged to reach a set value, so that the on-site and remote alarm of low-voltage electric leakage is realized.
As shown in fig. 3, an embodiment of the present invention further provides a method for detecting electrical leakage, which can be applied to the electrical leakage detection device described in the above embodiments.
Referring to fig. 3, the method for detecting leakage current according to the embodiment of the present invention includes:
step 301: and acquiring a voltage signal of a zero line through the voltage sensing device so as to enable the processor to acquire the voltage signal.
And the voltage sensing device collects field voltage, and the collected voltage value is used for judging whether the zero line leaks electricity or not through the processor according to the voltage signal.
Step 302: and judging whether the zero line leaks electricity or not according to the voltage signal through the processor.
The collected voltage value is processed and then transmitted to the processor, the processor judges, and the processor is a Central Processing Unit (CPU) or a single chip microcomputer. When the voltage reaches the national regulation safety voltage of above 36V, the electric leakage phenomenon is judged to be generated, and the sound and light alarm module and the sending module are started.
Furthermore, the device for detecting electric leakage also comprises a data processing circuit, wherein the data processing circuit is electrically connected with the voltage sensing device and the data processing circuit is electrically connected with the processor;
before the processor judges whether the zero line leaks electricity according to the voltage signal, the method further comprises the following steps: and converting the voltage signal acquired by the voltage sensing device into a voltage digital signal through a data processing circuit.
The data processing circuit is specifically an analog-to-digital converter; the data processing circuit converts the electrical signal into binary data for the processor to make identification decisions. The voltage signal collected by the voltage sensing device is converted into a voltage digital signal through the data processing circuit, and the voltage digital signal is transmitted to a processor for judgment, wherein the processor is a Central Processing Unit (CPU) or a single chip microcomputer. When the voltage reaches the national regulation safety voltage of more than 36V, a rear-section trigger signal is generated, and the acousto-optic alarm module and the sending module are started.
Furthermore, the leakage detection device also comprises an alarm processing device which is electrically connected with the processor; after the processor judges whether the zero line leaks electricity according to the voltage signal, the method further comprises the following steps: when the processor judges the electric leakage, the alarm processing device is used for carrying out alarm processing.
Furthermore, the alarm processing device comprises an acousto-optic alarm module and a sending module; the alarm processing device for alarm processing includes: sending alarm information of acoustic signals and optical signals through an acousto-optic alarm module; or, a leakage signal is sent to the monitoring device through a sending module.
In summary, the method for detecting leakage of the embodiment of the present invention is applied to a leakage detection device, and in the method for detecting leakage of the embodiment of the present invention, a voltage signal of a zero line is acquired by the voltage sensing device, and the voltage signal is subjected to analog-to-digital conversion by the data processing circuit, so that the processor acquires the voltage signal; and judging whether the zero line leaks electricity or not according to the voltage value. The on-site and remote alarm of low-voltage electric leakage is realized by collecting, monitoring, judging and triggering the audible and visual alarm module and the communication module of the electric leakage detection device.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An apparatus for detecting electric leakage, comprising:
the voltage sensing device is electrically connected with the zero line and is used for acquiring a voltage signal of the zero line;
and the processor is electrically connected with the voltage sensing device and used for judging whether the zero line leaks electricity or not according to the voltage signal acquired by the voltage sensing device.
2. The device for detecting electric leakage according to claim 1,
the electric leakage detection device further comprises a data processing circuit; the data processing circuit is electrically connected with the voltage sensing device, and the data processing circuit is electrically connected with the processor;
the data processing circuit is used for converting the voltage signals collected by the voltage sensing device into voltage digital signals.
3. The electrical leakage detection device of claim 2, further comprising a current sensing device electrically connected to the neutral line, the current sensing device being configured to collect a current signal of the neutral line;
the current sensing device is electrically connected with the processor, and the processor is also used for judging whether the zero line leaks electricity according to the current signal acquired by the current sensing device;
the current sensing device is electrically connected with the data processing circuit, and the data processing circuit is used for converting the current signals acquired by the current sensing device into current digital signals.
4. The device for detecting electric leakage according to claim 1,
the electric leakage detection device further comprises an alarm processing device, and the alarm processing device is electrically connected with the processor;
and the alarm processing device is used for carrying out alarm processing when the processor judges that the zero line leaks electricity.
5. The device for detecting electric leakage according to claim 4, wherein said alarm processing means is an acousto-optic alarm module;
and the acousto-optic alarm module is used for sending out alarm information of an acoustic signal and an optical signal when the processor judges that the zero line leaks electricity.
6. The device for detecting electric leakage according to claim 4, wherein the alarm processing device is a sending module, and the sending module is in signal connection with the monitoring equipment;
and the sending module is used for sending a leakage signal to the monitoring equipment when the processor judges that the zero line leaks electricity.
7. A method for detecting electric leakage, which is applied to the electric leakage detecting device according to claim 1;
the method comprises the following steps:
acquiring a voltage signal of a zero line through the voltage sensing device so as to enable the processor to acquire the voltage signal;
and judging whether the zero line leaks electricity or not according to the voltage signal through the processor.
8. The method of claim 7, wherein the electrical leakage detection device further comprises a data processing circuit, the data processing circuit being electrically connected to the voltage sensing device, the data processing circuit being electrically connected to the processor;
before the processor determines whether the zero line leaks electricity according to the voltage signal, the method further includes:
and converting the voltage signal collected by the voltage sensing device into a voltage digital signal through the data processing circuit.
9. The method of detecting electrical leakage of claim 8, wherein said device further comprises an alarm processing device, said alarm processing device being electrically connected to said processor;
after the processor judges whether the zero line leaks electricity according to the voltage signal, the method further comprises the following steps:
and when the processor judges the electric leakage, the alarm processing device is used for carrying out alarm processing.
10. The method for detecting electric leakage according to claim 9, wherein the alarm processing device is an acousto-optic alarm module and a sending module;
the alarm processing by the alarm processing device includes:
sending alarm information of acoustic signals and optical signals through the acousto-optic alarm module; or,
and sending a leakage signal to the monitoring equipment through the sending module.
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| CN201911261612.5A CN110967653A (en) | 2019-12-10 | 2019-12-10 | Electric leakage detection device and electric leakage detection method |
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| CN201911261612.5A CN110967653A (en) | 2019-12-10 | 2019-12-10 | Electric leakage detection device and electric leakage detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653109A (en) * | 2020-12-23 | 2021-04-13 | 海南电网有限责任公司保亭供电局 | Automatic low-voltage zero line fault isolation device |
| CN113604910A (en) * | 2021-06-30 | 2021-11-05 | 宁夏如意科技时尚产业有限公司 | Remote control power-off device and method for blowing equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183462A (en) * | 2017-12-14 | 2018-06-19 | 珠海格力电器股份有限公司 | Electrical protection device for electrical equipment and electrical equipment |
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- 2019-12-10 CN CN201911261612.5A patent/CN110967653A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183462A (en) * | 2017-12-14 | 2018-06-19 | 珠海格力电器股份有限公司 | Electrical protection device for electrical equipment and electrical equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653109A (en) * | 2020-12-23 | 2021-04-13 | 海南电网有限责任公司保亭供电局 | Automatic low-voltage zero line fault isolation device |
| CN113604910A (en) * | 2021-06-30 | 2021-11-05 | 宁夏如意科技时尚产业有限公司 | Remote control power-off device and method for blowing equipment |
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