CN208568965U - Fault arc detection device and monitoring system - Google Patents

Fault arc detection device and monitoring system Download PDF

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Publication number
CN208568965U
CN208568965U CN201721146832.XU CN201721146832U CN208568965U CN 208568965 U CN208568965 U CN 208568965U CN 201721146832 U CN201721146832 U CN 201721146832U CN 208568965 U CN208568965 U CN 208568965U
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China
Prior art keywords
module
main control
fault
control module
arc detection
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CN201721146832.XU
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Chinese (zh)
Inventor
王茗倩
何雅琴
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Changzhou Vocational Institute of Mechatronic Technology
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Changzhou Vocational Institute of Mechatronic Technology
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Priority to CN201721146832.XU priority Critical patent/CN208568965U/en
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Abstract

The utility model relates to a kind of fault arc detection device and monitoring system, the present apparatus include main control module and respectively with main control module be electrically connected current data acquisition module and alarm module;Current data acquisition module is suitable for acquisition fault electric arc current information and is sent to main control module;Main control module is suitable for alarming according to the fault electric arc current information control alarm module received.By the device, fault electric arc can detecte, and issue alarm, device volume is small, and it is convenient for safeguarding, it is versatile.

Description

Fault arc detection device and monitoring system
Technical field
The utility model relates to electrical detection technique fields, in particular to a kind of fault arc detection device and prison Examining system.
Background technique
With modern science and technology progress, the electrical equipment in production and living increases, this results in the scale of network system continuous Expand, consequent be electric system it is safe and stable the problems such as.Electrical fire accident is caused to life life and property can not The loss of appraisal, and fault electric arc is then one of important cause of electrical fire.Fault electric arc essence is a kind of gas discharge Phenomenon is known as failure electricity across the continuous discharge phenomenon after certain dielectric between two electrodes from the perspective of microcosmic Arc.The research with diagnosis aspect is detected relative to external fault electric arc, it is domestic still at an early stage, one is not set up still Complete fault electric arc database.
Therefore, the acquisition that fault electric arc electric current how is carried out to different types of load is urgently to be resolved at present.
Utility model content
The purpose of the utility model is to provide a kind of fault arc detection device and monitoring systems, to realize detection failure electricity The arc protection function of electric line.
To achieve the goals above, the utility model embodiment the technical solution adopted is as follows:
The utility model embodiment provides a kind of fault arc detection device, comprising:
Main control module and the current data acquisition module and alarm module being electrically connected respectively with main control module;
The current data acquisition module is suitable for acquisition fault electric arc current information and is sent to main control module;
The main control module, which is suitable for controlling the alarm module according to the fault electric arc current information received, to carry out Alarm.
In the utility model preferred embodiment, the current data acquisition module includes electrical with the main control module The current transformer of connection;
The current transformer is suitable for acquiring the fault electric arc current information and is sent to the main control module.
In the utility model preferred embodiment, the alarm module uses sound light alarming circuit.
In the utility model preferred embodiment, the fault arc detection device further includes and the main control module electricity Property connection key testing module;
The key testing module is adapted to detect for the alarm module whether normal operation.
In the utility model preferred embodiment, the fault arc detection device further includes power circuit block;
The power circuit block and the main control module are electrically connected;
The power circuit block is suitable for the fault arc detection device and provides voltage.
In the utility model preferred embodiment, the power circuit block includes power frequency transforming circuit and pressure stabilizing electricity Road;
The power frequency transforming circuit is electrically connected by the voltage regulator circuit and the main control module;
The power frequency transforming circuit is suitable for for alternating current being depressured;
The voltage regulator circuit is input to the fault electric arc detection after being suitable for being converted in the alternating current after decompression direct current Device.
In the utility model preferred embodiment, the fault arc detection device further includes and the main control module electricity Property connection constant current output module;
The main control module is suitable for output pwm signal, to be converted to current signal by the constant current output module and lead to News device is communicated.
In the utility model preferred embodiment, the fault arc detection device further includes and the main control module electricity Property connection peripheral expansion interface module;
The peripheral expansion interface module is suitable for being electrically connected with peripheral controllers;
The peripheral expansion interface module is suitable for receiving the first control information that the peripheral controllers is sent or described outer It encloses expansion connection module and is suitable for sending the second control information to the peripheral controllers.
In the utility model preferred embodiment, the peripheral expansion interface module further includes light-coupled isolation submodule;
The peripheral expansion interface module is electrically connected by the light-coupled isolation submodule and the peripheral controllers.
The utility model embodiment additionally provides a kind of monitoring system, detects dress including several above-mentioned fault electric arcs It sets, further includes communication device and host computer;
Each fault arc detection device passes through the communication device respectively and the host computer communicates to connect.
Compared with the existing technology, the utility model embodiment has the advantages that
The utility model embodiment provides a kind of fault arc detection device and monitoring system, and the present apparatus includes master control mould Block and the current data acquisition module and alarm module being electrically connected respectively with main control module;Current data acquisition module is suitable for Acquisition fault electric arc current information is simultaneously sent to main control module;Main control module is suitable for according to the fault electric arc current information received Control alarm module is alarmed.By the device, fault electric arc can detecte, and issue alarm, device volume is small, convenient for dimension Shield, it is versatile.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 shows a kind of block diagram of fault arc detection device provided by the utility model embodiment.
Fig. 2 shows the power circuit blocks of a kind of fault arc detection device provided by the utility model embodiment Block diagram.
In figure: 100- fault arc detection device;110- main control module;120- current data acquisition module;130- alarm Module;140- key testing module;150- power circuit block;151- power frequency transforming circuit;152- voltage regulator circuit;160- constant current Output module;170- peripheral expansion interface module.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment
Referring to Fig. 1, the utility model provides a kind of fault arc detection device 100.Fault arc detection device 100 The current data acquisition module 120 and alarm module being electrically connected including main control module 110 and respectively with main control module 110 130。
Current data acquisition module 120 is suitable for acquisition fault electric arc current information and is sent to main control module 110.In this reality It applies in example, current data acquisition module 120 includes the current transformer being electrically connected with main control module 110, and current transformer is suitable In acquisition fault electric arc current information and it is sent to main control module 110.
Main control module 110 is suitable for alarming according to the fault electric arc current information control alarm module 130 received.When Generating fault electric arc is to alarm, and faulty electric arc is reminded to generate.
In the present embodiment, alarm module 130 can be but be not limited only to, sound light alarming circuit.
Fault arc detection device 100 further includes the key testing module being electrically connected with main control module 110
140, key testing module 140 is adapted to detect for alarm module 130 whether normal operation.Pass through key testing module 140 detect alarm module 130 whether normal operation, convenient to detect to alarm module 130.
Fault arc detection device 100 further includes power circuit block 150;Power circuit block 150 and main control module 110 It is electrically connected;Power circuit block 150 is suitable for fault arc detection device 100 and provides voltage.
Referring to Fig. 2, power circuit block 150 includes power frequency transforming circuit 151 and voltage regulator circuit 152.
Power frequency transforming circuit 151 is electrically connected by voltage regulator circuit 152 and main control module 110;Power frequency transforming circuit 151 is suitable It is depressured in by alternating current;Voltage regulator circuit 152 is suitable for being converted in the alternating current after decompression the power supply electricity of fault arc detection device Pressure.Wherein, alternating current is the output voltage values 220V alternating current of external power supply, and the virtual value after alternating current decompression is 12V, pressure stabilizing Circuit 152 can be with multi-channel DC electricity output, such as, but not limited to+5V, 3.3V.
Please continue to refer to Fig. 1, fault current detection device 100 further includes defeated with the constant current of the electric connection of main control module 110 Module 160 out.
As fault electric arc current information and it is sent to the first embodiment of main control module 110, constant current output module 160 are suitable for exporting constant current value, and constant current output module 160 adjusts main control module by feeding back closed-loop control system in real time The PWM wave duty ratio of 110 outputs, so that one constant current value of circuit output is used for communication.
Fault arc detection device 100 further includes the peripheral expansion interface module 170 being electrically connected with main control module 110; Peripheral expansion interface module 170 is suitable for being electrically connected with peripheral controllers.
Peripheral expansion interface module 170 is suitable for receiving the first control information or peripheral expansion interface that peripheral controllers is sent Module 170 is suitable for sending the second control information to peripheral controllers.
In the present embodiment, peripheral expansion interface module 170 further includes light-coupled isolation submodule;Peripheral expansion interface module 170 are electrically connected by light-coupled isolation submodule and peripheral controllers.Light-coupled isolation submodule can be due to not avoiding level not With the problem for causing circuit easy to damage.
In the present embodiment, as fault electric arc current information and it is sent to second of implementation of main control module 110, The main control module is also provided with RS485 interface, and the acquisition fault electric arc current information can also pass through 485 communications protocol It is sent to host computer.
In the present embodiment, main control module 110 may include: STM32 chip and crystal oscillating circuit, and reset circuit specifically may be used Think a control module for having several I/O ports.
The utility model additionally provides a kind of monitoring system, including several above-mentioned fault arc detection devices 100, also wraps Include communication device and host computer;Fault arc detection device 100 is communicated to connect by communication device and host computer.
In conclusion the utility model provides a kind of fault arc detection device and monitoring system, the present apparatus includes master The current data acquisition module and alarm module controlling module and being electrically connected respectively with main control module;Current data acquisition module Suitable for acquisition fault electric arc current information and it is sent to main control module;Main control module is suitable for according to the fault electric arc electric current received Information control alarm module is alarmed.By the device, fault electric arc can detecte, and issue alarm, device volume is small, just It is versatile in maintenance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of fault arc detection device characterized by comprising
Main control module and the current data acquisition module and alarm module being electrically connected respectively with main control module;
The current data acquisition module is suitable for acquisition fault electric arc current information and is sent to main control module;
The main control module, which is suitable for controlling the alarm module according to the fault electric arc current information received, alarms;
The current data acquisition module includes the current transformer being electrically connected with the main control module;
The current transformer is suitable for acquiring the fault electric arc current information and is sent to the main control module;
The fault arc detection device further includes power circuit block;
The power circuit block and the main control module are electrically connected;
The power circuit block is suitable for the fault arc detection device and provides voltage;
The power circuit block includes power frequency transforming circuit and voltage regulator circuit;
The power frequency transforming circuit is electrically connected by the voltage regulator circuit and the main control module;
The power frequency transforming circuit is suitable for for alternating current being depressured;
AC conversion after the voltage regulator circuit is suitable for be depressured detects dress for import and export after direct current to the fault electric arc It sets;
The fault arc detection device further includes the constant current output module being electrically connected with the main control module;
The constant current output module is suitable for exporting constant current value.
2. fault arc detection device as described in claim 1, which is characterized in that
The alarm module uses sound light alarming circuit.
3. fault arc detection device as described in claim 1, which is characterized in that
The fault arc detection device further includes the key testing module being electrically connected with the main control module;
The key testing module is adapted to detect for the alarm module whether normal operation.
4. fault arc detection device as described in claim 1, which is characterized in that
The fault arc detection device further includes the peripheral expansion interface module being electrically connected with the main control module;
The peripheral expansion interface module is suitable for being electrically connected with peripheral controllers;
The peripheral expansion interface module is suitable for receiving the first control information that the peripheral controllers is sent or the periphery is expanded It opens up interface module and is suitable for sending the second control information to the peripheral controllers.
5. fault arc detection device as claimed in claim 4, which is characterized in that
The peripheral expansion interface module further includes light-coupled isolation submodule;
The peripheral expansion interface module is electrically connected by the light-coupled isolation submodule and the peripheral controllers.
6. a kind of monitoring system, which is characterized in that the monitoring system includes failure electricity as described in any one in claim 1-5 Arc detection device further includes communication device and host computer;
The fault arc detection device is communicated to connect by the communication device and the host computer.
CN201721146832.XU 2017-09-08 2017-09-08 Fault arc detection device and monitoring system Active CN208568965U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721146832.XU CN208568965U (en) 2017-09-08 2017-09-08 Fault arc detection device and monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721146832.XU CN208568965U (en) 2017-09-08 2017-09-08 Fault arc detection device and monitoring system

Publications (1)

Publication Number Publication Date
CN208568965U true CN208568965U (en) 2019-03-01

Family

ID=65445258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721146832.XU Active CN208568965U (en) 2017-09-08 2017-09-08 Fault arc detection device and monitoring system

Country Status (1)

Country Link
CN (1) CN208568965U (en)

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