CN216718649U - Leakage alarm operation monitoring device - Google Patents
Leakage alarm operation monitoring device Download PDFInfo
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- CN216718649U CN216718649U CN202122657270.8U CN202122657270U CN216718649U CN 216718649 U CN216718649 U CN 216718649U CN 202122657270 U CN202122657270 U CN 202122657270U CN 216718649 U CN216718649 U CN 216718649U
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Abstract
The utility model discloses an operation monitoring device of an electric leakage alarm, which comprises an electric leakage detection unit, a current detection unit and a current detection unit, wherein the electric leakage detection unit is connected with a power supply circuit and is used for detecting the potential difference of the power supply circuit; the alarm indicator lamp monitoring unit is connected with the electric leakage alarm and is used for monitoring the on-off condition of an indicator lamp of the electric leakage alarm; the communication monitoring unit is used for monitoring communication data between the electric leakage alarm and the host; the control processing unit is used for processing the data detected by the electric leakage detection unit and the data monitored by the alarm indicator lamp monitoring unit and the communication monitoring unit and storing the processed data in the storage unit; the data downloading unit is used for downloading the data stored in the storage unit by a user and then checking and analyzing the data, and the power supply conversion unit is used for converting the voltage of an external power supply to supply power to the units. The utility model can monitor the actual operation state of the leakage alarm and store the related data of the operation state, thereby facilitating the analysis of the alarm reason of the leakage alarm by users.
Description
Technical Field
The utility model relates to an operation monitoring device of an electric leakage alarm, belonging to the field of electric leakage alarm monitoring devices.
Background
With the rapid development of national economy and electronic technology, high-power electronic equipment is equipped in more and more places, and the use of a large amount of electronic equipment brings convenience to work and life of people on one hand and also brings challenges to electricity utilization safety of people on the other hand. According to statistics, direct property loss caused by national electrical fire accidents accounts for about 40% of total fire loss, and huge loss is caused to national economy and people's life and property. Most of electrical fires in China are caused by short circuits, low-voltage distribution lines and electrical equipment generate electric leakage due to the fact that the insulation performance of the lines is reduced due to aging and mechanical damage, and electric arcs and electric sparks can be caused by the electric leakage to further cause the electrical fires. Therefore, the company has developed the electric leakage alarm to low pressure distribution lines and electrical equipment electric leakage problem in the trade and has been used for monitoring electric lines's trouble and abnormal state, but because the electric leakage alarm generally installs in the place that the operating mode is comparatively complicated, can appear the phenomenon of wrong report police occasionally in the in-service use in-process, the back of reporting to the police is being examined low pressure distribution lines and electrical equipment, the unusual condition often appears, this has brought the difficulty for analysis alarm reason.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the operation monitoring device of the electric leakage alarm, which can monitor the actual operation state of the electric leakage alarm, store the relevant data of the operation state and facilitate the analysis of the alarm reason of the electric leakage alarm by a user.
The technical scheme adopted by the utility model is as follows:
an operation monitoring device of an electric leakage alarm comprises an electric leakage detection unit, an alarm indicator lamp monitoring unit, a communication monitoring unit, a control processing unit, a storage unit, a data downloading unit and a power supply conversion unit,
the electric leakage detection unit is connected with the power supply circuit and is used for detecting the potential difference of the power supply circuit;
the alarm indicator lamp monitoring unit is connected with the electric leakage alarm and is used for monitoring the indicating lamp indicating state of the electric leakage alarm;
the communication monitoring unit is used for monitoring communication data between the electric leakage alarm and the host;
the control processing unit is used for processing the data detected by the electric leakage detection unit and the data monitored by the alarm indicator lamp monitoring unit and the communication monitoring unit and storing the processed data in the storage unit;
the storage unit is used for storing the data processed by the control processing unit;
the data downloading unit is used for a user to download the data stored in the storage unit through the data processing unit and then check and analyze the data;
and the power supply conversion unit is used for converting the voltage of an external power supply to supply power to the electric leakage detection unit, the alarm indicator lamp monitoring unit, the communication monitoring unit, the storage unit, the control processing unit and the data downloading unit.
Preferably, the leakage detecting unit includes a first leakage detecting unit and a second leakage detecting unit, the first leakage detecting unit is configured to detect a potential difference between the positive line and the negative line, and the second leakage detecting unit is configured to detect a potential difference between the negative line and the ground line.
Further preferably, alarm indicator monitoring unit includes anodal alarm indicator monitoring unit and negative pole alarm indicator monitoring unit, anodal alarm indicator monitoring unit is used for monitoring leakage alarm's anodal alarm indicator state of instructing, negative pole alarm indicator monitoring unit is used for monitoring leakage alarm's negative pole alarm indicator state of instructing.
The utility model has the beneficial effects that:
the leakage condition of the power supply circuit is detected through the leakage detection unit, the indication state of the leakage alarm indicator lamp is monitored through the alarm indicator lamp monitoring unit, the corresponding line alarm condition detected by the leakage detection unit and the data fed back by the leakage alarm indicator lamp monitored by the alarm indicator lamp monitoring unit are stored, and comparison and analysis are carried out after the data are downloaded by personnel, so that the reason that the leakage alarm generates false alarms is found conveniently.
Drawings
FIG. 1 is a schematic frame of the present invention;
FIG. 2 is a schematic block diagram of a leakage detection unit according to the present invention;
FIG. 3 is a circuit diagram of a first leakage detecting unit;
fig. 4 is a circuit diagram of the second leakage detecting unit.
Detailed Description
The utility model is described in detail below with reference to the figures and examples.
As shown in fig. 1-4: the embodiment is an operation monitoring device of an electric leakage alarm, which comprises an electric leakage detection unit, an alarm indicator lamp monitoring unit, a communication monitoring unit, a control processing unit, a storage unit, a data downloading unit and a power supply conversion unit, wherein,
the electric leakage detection unit is connected with the power supply circuit and used for detecting the potential difference of the power supply circuit;
the alarm indicator light monitoring unit is connected with the electric leakage alarm and is used for monitoring the indicating state of the indicator light of the electric leakage alarm;
the communication monitoring unit is used for monitoring communication data between the electric leakage alarm and the host;
the control processing unit is used for processing the data detected by the electric leakage detection unit and the data monitored by the alarm indicator lamp monitoring unit and the communication monitoring unit and storing the processed data in the storage unit;
the storage unit is used for storing the data processed by the control processing unit;
the data downloading unit is used for a user to download the data stored in the storage unit through the data processing unit and then check and analyze the data;
and the power supply conversion unit is used for converting the voltage of an external power supply to supply power to the electric leakage detection unit, the alarm indicator lamp monitoring unit, the communication monitoring unit, the storage unit, the control processing unit and the data downloading unit.
The electric leakage detection unit comprises a first electric leakage detection unit and a second electric leakage detection unit, the first electric leakage detection unit is used for detecting the potential difference between the positive line V + and the negative line V-, the second electric leakage detection unit is used for detecting the potential difference between the negative line V-and the grounding line PE, under normal conditions, the potential difference between the positive line V + and the grounding line PE should be equal to the potential difference between the grounding line PE and the negative line V-, once the low-voltage distribution line or the electric equipment has electric leakage, the potential difference between the positive line V + and the grounding line PE and the potential difference between the grounding line PE and the negative line V-will change, and the control processing unit can judge whether the low-voltage distribution line or the electric equipment has electric leakage or not through the information detected by the first electric leakage detection unit and the second electric leakage detection unit.
The alarm indicator lamp monitoring unit comprises an anode alarm indicator lamp monitoring unit and a cathode alarm indicator lamp monitoring unit, the anode alarm indicator lamp monitoring unit is used for monitoring the indicating state of an anode alarm indicator lamp of the electric leakage alarm, and the cathode alarm indicator lamp monitoring unit is used for monitoring the indicating state of a cathode alarm indicator lamp of the electric leakage alarm.
In practical application, the first electric leakage detection unit and the second electric leakage detection unit both adopt a precise optical isolation voltage sensor ACPL-C87A-500E to separate an analog circuit from a digital circuit so as to effectively avoid the high voltage of the analog circuit from damaging a digital circuit device, and meanwhile, the optical isolation voltage sensor has a very good linear relation and high reliability; the MCU of the control processing unit adopts STM32F103C8T6TR, the performance is reliable and stable, and meanwhile, the STM32F103C8T6TR is provided with 3 USART ports, so that the transmission of data of a plurality of channels can be met; the main chip of the storage unit adopts W25Q32JVSSIQ, the storage capacity is large, and data cannot be lost after power failure; the main chip of the communication monitoring unit adopts MAX232IDR, and interference to communication data is avoided.
The working principle of the utility model is as follows: the leakage detection unit detects the leakage condition of the power supply circuit, and the alarm indicator lamp monitoring unit monitors the indicating state of an indicator lamp of the leakage alarm (namely the on-off condition of the indicator lamp); the electric leakage alarm communicates with the host computer, the alarm has been produced when the electric leakage alarm, will be relevant information communication to the host computer, communication monitoring unit then can monitor the communication data between electric leakage alarm and the host computer, and the data of the electric leakage alarm pilot lamp feedback that corresponds circuit alarm condition and alarm indicator lamp monitoring unit that detects with the electric leakage detecting element is handled the back through control processing unit in the lump and is saved in the memory cell in order to make things convenient for personnel to carry out contrastive analysis after downloading data through the data download unit, be convenient for discover the reason that the electric leakage alarm produced the wrong report.
The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.
Claims (3)
1. The utility model provides an electric leakage alarm operation monitoring devices, includes electric leakage detection unit, alarm indicator monitoring unit, communication monitoring unit, control processing unit, memory cell, data download unit and power supply switching unit, its characterized in that:
the electric leakage detection unit is connected with the power supply circuit and is used for detecting the potential difference of the power supply circuit;
the alarm indicator lamp monitoring unit is connected with the electric leakage alarm and is used for monitoring the indicating lamp indicating state of the electric leakage alarm;
the communication monitoring unit is used for monitoring communication data between the electric leakage alarm and the host;
the control processing unit is used for processing the data detected by the electric leakage detection unit and the data monitored by the alarm indicator lamp monitoring unit and the communication monitoring unit and storing the processed data in the storage unit;
the storage unit is used for storing the data processed by the control processing unit;
the data downloading unit is used for a user to download the data stored in the storage unit through the data processing unit and then check and analyze the data;
and the power supply conversion unit is used for converting the voltage of an external power supply to supply power to the electric leakage detection unit, the alarm indicator lamp monitoring unit, the communication monitoring unit, the storage unit, the control processing unit and the data downloading unit.
2. The operation monitoring device of the electric leakage alarm according to claim 1, wherein the electric leakage detection unit comprises a first electric leakage detection unit and a second electric leakage detection unit, the first electric leakage detection unit is used for detecting the potential difference between the positive electrode wire and the negative electrode wire, and the second electric leakage detection unit is used for detecting the potential difference between the negative electrode wire and the ground wire.
3. The operation monitoring device of the electric leakage alarm, according to claim 1, characterized in that the alarm indicator lamp monitoring unit comprises an anode alarm indicator lamp monitoring unit and a cathode alarm indicator lamp monitoring unit, the anode alarm indicator lamp monitoring unit is used for monitoring the indication state of the anode alarm indicator lamp of the electric leakage alarm, and the cathode alarm indicator lamp monitoring unit is used for monitoring the indication state of the cathode alarm indicator lamp of the electric leakage alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122657270.8U CN216718649U (en) | 2021-11-02 | 2021-11-02 | Leakage alarm operation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122657270.8U CN216718649U (en) | 2021-11-02 | 2021-11-02 | Leakage alarm operation monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN216718649U true CN216718649U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122657270.8U Active CN216718649U (en) | 2021-11-02 | 2021-11-02 | Leakage alarm operation monitoring device |
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| CN (1) | CN216718649U (en) |
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2021
- 2021-11-02 CN CN202122657270.8U patent/CN216718649U/en active Active
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