CN205982461U - Low -voltage distribution is electric detection means for cabinet - Google Patents

Low -voltage distribution is electric detection means for cabinet Download PDF

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Publication number
CN205982461U
CN205982461U CN201620856121.0U CN201620856121U CN205982461U CN 205982461 U CN205982461 U CN 205982461U CN 201620856121 U CN201620856121 U CN 201620856121U CN 205982461 U CN205982461 U CN 205982461U
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CN
China
Prior art keywords
unit
electrically
low
voltage distribution
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620856121.0U
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Chinese (zh)
Inventor
孙晓庆
张蕾
韩波
郭军
柴培强
吕艳秋
王静
王雪彦
吕新宏
路卫华
崔胜喜
刘建平
姜彪
崔荣娟
李彬
孙波
张思靖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Juye Power Supply Co Of State Grid Shandong Electric Power Co
Original Assignee
Juye Power Supply Co Of State Grid Shandong Electric Power Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Juye Power Supply Co Of State Grid Shandong Electric Power Co filed Critical Juye Power Supply Co Of State Grid Shandong Electric Power Co
Priority to CN201620856121.0U priority Critical patent/CN205982461U/en
Application granted granted Critical
Publication of CN205982461U publication Critical patent/CN205982461U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a low -voltage distribution is electric detection means for cabinet, detecting element, signal acquisition element and automatic power cut -off unit, detecting element is including leaking electric sensor, temperature sensor, voltage sensor and current sensor, the play output electric connection who detects there is processing unit, automatic power cut -off unit includes release and drive circuit, the output electric connection of controller has the radio communication unit, the output electric connection of radio communication unit has the remote control unit, whether analytical judgement electric current at that time accords with the characteristic of the electric current when taking place arc fault, judges and provides fault -signal, the timely open circuit of drive circuit drive release when having taken place arc fault, the utility model relates to a rationally, make things convenient for detection and monitoring, can effectively avoid because arc fault and the danger that causes is suitable for and promotes and production.

Description

A kind of low-voltage distribution cabinet electric detection means
Technical field
This utility model belongs to electrical equipment technical field and in particular to a kind of low-voltage distribution cabinet electric detection means.
Background technology
At present, the testing equipment being applied to electrical equipment less it is difficult to fully reflect the various operations of low voltage equipment Parameter, and each testing equipment isolated operation, do not concentrate and realize equipment operation power operating mode itself and safe operation status monitoring, Staff needs to go to scene to be patrolled daily, and this detection method not only wastes time and energy, and does not enable to electricity consumption The monitor in real time of equipment, the rated current of low-voltage distribution cabinet is exchange 50Hz, the distribution system of rated voltage 380v as power, The electric energy conversion of illumination and distribution and control are used, although the quality of equipment and switching device and performance improve constantly, and pass through Type approval test, but still can not avoid breaking down in a device completely, the accident that fault electric arc causes in all of fault Account for 50%, and the damaged condition that fault electric arc produces is the most serious.
Utility model content
The purpose of this utility model is to provide a kind of low-voltage distribution cabinet electric detection means, to solve above-mentioned background technology The problem of middle proposition.
For achieving the above object, this utility model provides following technical scheme:A kind of low-voltage distribution cabinet electric detection means, Including processing unit, detector unit, signal gathering unit with automatically power off unit, the outfan that goes out of described detection is electrically connected at The input of processing unit, described processing unit includes A/D converter and controller, and A/D converter is electrically connected with controller Connect, described information collecting unit includes current transformer and signal conditioning circuit, and current transformer and signal conditioning circuit electricity Property connect, the input of the outfan of described signal conditioning circuit and A/D converter is electrically connected with, and described automatically powers off unit bag Include electrical apparatus release and drive circuit, and electrical apparatus release and drive circuit electric connection, the input of described drive circuit and processing unit Outfan be electrically connected with, the outfan of described controller is electrically connected with wireless communication unit, described wireless communication unit Outfan is connected with the input end signal of remote control unit, and four outfans of described processing unit are electrically connected with storage Device, display, alarm device and communication interface, the outfan of described communication interface is electrically connected with monitoring computer.
Preferably, described wireless communication unit is wirelessly connected with high in the clouds computer.
Preferably, described communication interface is RS485 communication interface.
Preferably, described wireless communication unit adopts high-frequency radio frequency module, GPRS module, 4G communication module or WIFI mould Block.
Preferably, described detector unit includes electricity leakage sensor, temperature sensor, voltage sensor and current sensor.
Technique effect of the present utility model and advantage:This low-voltage distribution cabinet electric detection means, by setting in low pressure electricity consumption Standby surrounding setting electricity leakage sensor, temperature sensor, voltage sensor and current sensor, can gather the operation of electrical equipment Status information, and this information conveyance is stored to processing unit and shows, it is possible to achieve the various running status of electrical equipment Comprehensive monitoring, improve electrical equipment monitoring accuracy and reliability, meanwhile, processing unit pass through wireless communication unit and High in the clouds computer etc. is connected, it is possible to achieve the remote on-line monitoring of low voltage equipment running status, and processing unit is also by logical Communication interface connects monitoring computer, realizes on-line monitoring and the automatic control management of electrical equipment running status;Electrical equipment is in difference The parameter of time period, is shown by display, and the scheduling of the maintenance for staff and low voltage equipment provides foundation; Signal conditioning circuit is sent in processing unit after processing the information that current transformer gathers and is analyzed, and to judge by analysis to work as When electric current whether meet occur arc fault when electric current feature, when being judged as there occurs arc fault, be given fault letter Number, drive circuit drives the timely disconnecting circuit of electrical apparatus release;This utility model is reasonable in design, conveniently detects and monitors, can be effective Avoid the danger causing due to arc fault, be suitable to promote and produce.
Brief description
Fig. 1 is circuit theory module diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
This utility model provides a kind of low-voltage distribution cabinet electric detection means as shown in Figure 1, including processing unit, inspection Survey unit, signal gathering unit and automatically power off unit, described detector unit includes electricity leakage sensor, temperature sensor, voltage Sensor and current sensor, described detection go out the input that outfan is electrically connected at processing unit, described processing unit Including A/D converter and controller, and A/D converter is electrically connected with controller, and it is mutual that described information collecting unit includes electric current Sensor and signal conditioning circuit, and current transformer and signal conditioning circuit electric connection, the output of described signal conditioning circuit End is electrically connected with the input of A/D converter, and the described unit that automatically powers off includes electrical apparatus release and drive circuit, and electrical apparatus release with Drive circuit is electrically connected with, and the input of described drive circuit is electrically connected with the outfan of processing unit, described controller Outfan is electrically connected with wireless communication unit, and described wireless communication unit is wirelessly connected with high in the clouds computer, described channel radio Letter unit adopts high-frequency radio frequency module, GPRS module, 4G communication module or WIFI module, the outfan of described wireless communication unit It is connected with the input end signal of remote control unit, four outfans of described processing unit are electrically connected with memorizer, display Device, alarm device and communication interface, described communication interface is RS485 communication interface, and the outfan of described communication interface electrically connects It is connected to monitoring computer.
This low-voltage distribution cabinet electric detection means, is passed by setting electricity leakage sensor, temperature around low voltage equipment Sensor, voltage sensor and current sensor, can gather the running state information of electrical equipment, and this information conveyance is given place Reason unit is stored and is shown, it is possible to achieve the comprehensive monitoring of the various running status of electrical equipment, improves electrical equipment prison The accuracy of control and reliability, meanwhile, processing unit passes through wireless communication unit and high in the clouds computer etc. and is connected, it is possible to achieve low The remote on-line monitoring of pressure electrical equipment running status, processing unit connects monitoring computer also by communication interface, realizes using The on-line monitoring of electric equipment running status and automatic control management;Electrical equipment, in the parameter of different time sections, is shown by display Out, the scheduling of the maintenance for staff and low voltage equipment provides foundation;Signal conditioning circuit processes current transformer Send in processing unit after the information of collection and be analyzed, to judge by analysis whether electric current at that time meets generation electric arc event The feature of electric current during barrier, when being judged as there occurs arc fault, provides fault-signal, and drive circuit drives electrical apparatus release to break in time Open circuit;This utility model is reasonable in design, conveniently detects and monitors, can be prevented effectively from the danger causing due to arc fault Danger, is suitable to promote and produces.
Finally it should be noted that:The foregoing is only preferred embodiment of the present utility model, be not limited to this Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art For, it still can be modified to the technical scheme described in foregoing embodiments, or to wherein some technical characteristics Carry out equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement made etc., all Should be included within protection domain of the present utility model.

Claims (5)

1. a kind of low-voltage distribution cabinet electric detection means, including processing unit, detector unit, signal gathering unit with automatically power off Unit it is characterised in that:Described detection go out the input that outfan is electrically connected at processing unit, described processing unit includes A/D converter and controller, and A/D converter and controller electric connection, described signal gathering unit includes current transformer And signal conditioning circuit, and current transformer and signal conditioning circuit be electrically connected with, the outfan of described signal conditioning circuit with The input of A/D converter is electrically connected with, and the described unit that automatically powers off includes electrical apparatus release and drive circuit, and electrical apparatus release and driving Circuit is electrically connected with, and the input of described drive circuit is electrically connected with the outfan of processing unit, the output of described controller End is electrically connected with wireless communication unit, and the outfan of described wireless communication unit is connected with the input end signal of remote control unit Connect, four outfans of described processing unit are electrically connected with memorizer, display, alarm device and communication interface, described logical The outfan of communication interface is electrically connected with monitoring computer.
2. a kind of low-voltage distribution cabinet electric detection means according to claim 1 it is characterised in that:Described radio communication list Unit is wirelessly connected with high in the clouds computer.
3. a kind of low-voltage distribution cabinet electric detection means according to claim 1 it is characterised in that:Described communication interface is RS485 communication interface.
4. a kind of low-voltage distribution cabinet electric detection means according to claim 1 it is characterised in that:Described radio communication list Unit adopts high-frequency radio frequency module or GPRS module or 4G communication module or WIFI module.
5. a kind of low-voltage distribution cabinet electric detection means according to claim 1 it is characterised in that:Described detector unit bag Include electricity leakage sensor, temperature sensor, voltage sensor and current sensor.
CN201620856121.0U 2016-08-08 2016-08-08 Low -voltage distribution is electric detection means for cabinet Expired - Fee Related CN205982461U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620856121.0U CN205982461U (en) 2016-08-08 2016-08-08 Low -voltage distribution is electric detection means for cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620856121.0U CN205982461U (en) 2016-08-08 2016-08-08 Low -voltage distribution is electric detection means for cabinet

Publications (1)

Publication Number Publication Date
CN205982461U true CN205982461U (en) 2017-02-22

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Country Status (1)

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CN (1) CN205982461U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107171444A (en) * 2017-07-25 2017-09-15 合肥欧仕嘉机电设备有限公司 A kind of real-time monitoring system of low-voltage distribution cabinet
CN107272498A (en) * 2017-07-21 2017-10-20 华北理工大学 A kind of intelligent electrical apparatus release based on RFID
CN107947126A (en) * 2017-11-20 2018-04-20 安徽晓星能源科技有限公司 One kind is applied to electrical cabinet detection of electrical leakage and protection system
CN107947364A (en) * 2017-12-06 2018-04-20 宜昌南瑞永光电气设备有限公司 A kind of controller switching equipment management system and method
CN108604494A (en) * 2017-01-11 2018-09-28 那恩能源有限公司 Real-time detection/repair system when power distribution system source line fault and its construction method
CN111416437A (en) * 2020-03-05 2020-07-14 嘉捷鑫源(北京)科技有限公司 Self-networking electricity distribution room monitoring system based on L ORA

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108604494B (en) * 2017-01-11 2021-04-20 那恩能源有限公司 Real-time detection/repair system for power line fault of power distribution system and construction method thereof
CN108604494A (en) * 2017-01-11 2018-09-28 那恩能源有限公司 Real-time detection/repair system when power distribution system source line fault and its construction method
CN107272498A (en) * 2017-07-21 2017-10-20 华北理工大学 A kind of intelligent electrical apparatus release based on RFID
CN107171444A (en) * 2017-07-25 2017-09-15 合肥欧仕嘉机电设备有限公司 A kind of real-time monitoring system of low-voltage distribution cabinet
CN107947126A (en) * 2017-11-20 2018-04-20 安徽晓星能源科技有限公司 One kind is applied to electrical cabinet detection of electrical leakage and protection system
CN107947364A (en) * 2017-12-06 2018-04-20 宜昌南瑞永光电气设备有限公司 A kind of controller switching equipment management system and method
CN111416437A (en) * 2020-03-05 2020-07-14 嘉捷鑫源(北京)科技有限公司 Self-networking electricity distribution room monitoring system based on L ORA

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170222

Termination date: 20170808