CN201732134U - Panel-type short-circuit and earth fault indicator with pre-alarm function - Google Patents
Panel-type short-circuit and earth fault indicator with pre-alarm function Download PDFInfo
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- CN201732134U CN201732134U CN2010202244953U CN201020224495U CN201732134U CN 201732134 U CN201732134 U CN 201732134U CN 2010202244953 U CN2010202244953 U CN 2010202244953U CN 201020224495 U CN201020224495 U CN 201020224495U CN 201732134 U CN201732134 U CN 201732134U
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- 238000012806 monitoring device Methods 0.000 claims abstract description 12
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Abstract
The utility model relates to a panel-type short-circuit and earth fault indicator with a pre-alarm function, which comprises a temperature and current earth sensor arranged on a three-phase cable bus, temperature and current short circuit sensors which are respectively arranged on three-phase outgoing lines, a data converter, a fault indicator host and a current transformer, wherein the sensors are respectively connected with the data converter through cables, and the data converter is connected with the fault indicator host through a circuit; a logical decision and control circuit board connected with the data converter is arranged in the fault indicator host, and a display panel is arranged on a host shell; and a temperature and current display screen, a temperature alarm indicator light, a current alarm indicator light and a fault alarm indicator light which are connected with the logical decision and control circuit board are arranged on the display panel, and the current transformer gets power from a power supply module connected with commercial power and supplies power to the temperature and current monitoring device, the data converter and the fault indicator host.
Description
Technical field
The utility model relates to a kind of accident indicator of power circuit, especially a kind of panel type fault detector that can carry out pre-alarm before short circuit and earth fault appear in power circuit.
Background technology
Panel type short circuit earth-fault indicator is the device of detection streamer system earth and short trouble, generally include sensor that is installed on ring main unit or the branch phase conductors road and the main frame that is installed on the power distribution cabinet panel, sensor connects main frame by optical fiber or cable, ground connection or short trouble after taking place in power circuit, report to the police by modes such as the A on the panel main frame, B, the flickers of C phase pilot lamp, point out the fault type of staff's circuit generation and concrete phase fault.Be called " panel type short circuit and earth-fault indicator " disclosed a kind of fault detector that comes to this as China Patent No. 200920106768.1, name.The function of present fault detector only is to point out after circuit breaks down the position of trouble spot, thereby can not before taking place, fault pre-alarm avoid fault to take place, and when circuit breaks down, can cause damage to electric power system inevitably, therefore present fault detector function still remains to be improved.
Summary of the invention
The purpose of this utility model is to provide a kind of panel type short circuit earth-fault indicator with pre-alarm function, energy is temperature, the current information of Monitoring Line in real time, when electric current, when temperature surpasses predefined value, send alerting signal with ad hoc fashion, remind staff's circuit to have unusually, thereby in time get rid of contingent fault.
The technical solution of the utility model is:
A kind of panel type short circuit and earth-fault indicator with pre-alarm function, it is characterized in that: described fault detector comprises temperature and current monitoring device, data converter, fault detector main frame, and supply unit, wherein said temperature and current monitoring device comprise temperature and the electric current grounding sensor that is installed on the threephase cable bus and are installed in temperature and short circuit current sensor in the three-phase outlet respectively that described each sensor is connected with described data converter by cable respectively; Described data converter connects described fault detector main frame by circuit; Logic determines and the control circuit board that is connected with data converter is housed in the described fault detector main frame, the fault detector host shell is provided with display panel, and display panel is provided with the temperature that links to each other with control circuit board with logic determines and electric current display screen, temperature alarming pilot lamp, electric current alarm lamp, fault alarm pilot lamp; Described supply unit is to described temperature and current monitoring device, data converter, the power supply of fault detector main frame.
Described supply unit comprises current transformer and power supply electricity-fetching module, and described power supply electricity-fetching module is electrically connected power taking with the city, and powers to described data converter, temperature and current monitoring device, fault detector main frame by described current transformer.
The utility model can be by gathering power circuit electric current, temperature information data in real time, and information is sent to host process, when electric current, when temperature surpasses predefined value, modes such as frequent flicker by pilot lamp or audible alarm remind staff's circuit to have unusually, when circuit is actual when breaking down, the utility model still can send indicating fault as common fault detector.Compare present existing fault indicator, the utility model is based on fault pre-alarming, and is not only fault alarm, thereby reaches the purpose of fixing a breakdown in advance, the loss of avoiding breaking down and causing.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model
Fig. 2 is the main frame display panel synoptic diagram of the utility model embodiment
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As Fig. 1, the utility model comprises temperature and current monitoring device, data converter 3, fault detector main frame 4, and supply unit.Described temperature and current monitoring device comprise and are installed in temperature and the electric current grounding sensor 1 on A, B, the C threephase cable bus and are installed in temperature and short circuit current sensor 2 in the three-phase outlet respectively that described each sensor is connected with described data converter 3 by cable respectively; Described data converter 3 connects described fault detector main frame 4 by circuit; Logic determines and the control circuit board that is connected with data converter is housed in the described fault detector main frame 4, and the fault detector host shell is provided with display panel 41.Described supply unit comprises current transformer 5 and power supply electricity-fetching module 51.Described current transformer 5 is by power supply electricity-fetching module 51 power takings that are electrically connected with the city and to described temperature and current monitoring device, data converter, the power supply of fault detector main frame.
As Fig. 2, described display panel 41 is provided with host logic judges LCDs 411, temperature alarming pilot lamp 412, electric current alarm lamp 413, the fault alarm pilot lamp 414 that links to each other with control circuit board, and LCDs is used to show A, B, C phase and zero sequence each mutually current line temperature and current data mutually.Also be provided with on the display panel and reset/testing button.
The utility model can preestablish line temperature, the current value of permission, and is stored in the logic determines and control circuit board of fault detector main frame.During work, the attaching plug 511 of power supply electricity-fetching module 51 is electrically connected with the city, by mutual inductor 5 to temperature and electric current grounding sensor 1, temperature and short circuit current sensor 2, data converter 3,4 power supplies of fault detector main frame, each sensor is gathered the temperature of power circuit in real time, electric current and failure message, and be sent to data converter 3, data converter communicates information to the logic determines and the control circuit board of fault detector main frame 4 signal is analyzed contrast, and shows A in real time by the LCDs on the display panel 411, B, C mutually with the zero sequence electric current of each phase mutually, temperature parameter.Show on the LCDs 411 among Fig. 2 be an embodiment when working A, B, C mutually with the zero sequence concrete data of each phase mutually.When electric current or temperature surpassed predefined value, the frequent flicker prompting staff circuit by temperature alarming pilot lamp 412 or electric current alarm lamp 413 had unusually, thereby in time fixes a breakdown.When line failure, the utility model is reported to the police by malfunction indicator lamp 414 as common fault detector.
Claims (2)
1. a panel type short circuit and earth-fault indicator with pre-alarm function, it is characterized in that: described fault detector comprises temperature and current monitoring device, data converter, fault detector main frame, and supply unit, wherein said temperature and current monitoring device comprise temperature and the electric current grounding sensor that is installed on the threephase cable bus and are installed in temperature and short circuit current sensor in the three-phase outlet respectively that described each sensor is connected with described data converter by cable respectively; Described data converter connects described fault detector main frame by circuit; Logic determines and the control circuit board that is connected with data converter is housed in the described fault detector main frame, the fault detector host shell is provided with display panel, and display panel is provided with the temperature that links to each other with control circuit board with logic determines and electric current display screen, temperature alarming pilot lamp, electric current alarm lamp, fault alarm pilot lamp; Described supply unit is respectively to described temperature and current monitoring device, data converter, the power supply of fault detector main frame.
2. panel type short circuit and the earth-fault indicator with pre-alarm function as claimed in claim 1, it is characterized in that: described supply unit comprises current transformer and power supply electricity-fetching module, described power supply electricity-fetching module is electrically connected power taking with the city, and powers to described data converter, temperature and current monitoring device, fault detector main frame by described current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202244953U CN201732134U (en) | 2010-06-12 | 2010-06-12 | Panel-type short-circuit and earth fault indicator with pre-alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202244953U CN201732134U (en) | 2010-06-12 | 2010-06-12 | Panel-type short-circuit and earth fault indicator with pre-alarm function |
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| Publication Number | Publication Date |
|---|---|
| CN201732134U true CN201732134U (en) | 2011-02-02 |
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| CN2010202244953U Expired - Fee Related CN201732134U (en) | 2010-06-12 | 2010-06-12 | Panel-type short-circuit and earth fault indicator with pre-alarm function |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998586A (en) * | 2012-12-06 | 2013-03-27 | 辽宁省电力有限公司抚顺供电公司 | Power system fault indicator |
| CN103267922A (en) * | 2013-05-15 | 2013-08-28 | 国家电网公司 | Intelligent cable short circuit grounding and temperature fault indicator |
| CN103364685A (en) * | 2013-07-22 | 2013-10-23 | 珠海创能科世摩电气科技有限公司 | Current temperature on-line fault indicator and method for judging fault |
| CN107390093A (en) * | 2017-09-11 | 2017-11-24 | 安徽华明电气设备有限公司 | A kind of high voltage cable malfunction monitoring panel type fault detector structure |
| CN107703402A (en) * | 2017-09-13 | 2018-02-16 | 河南省三禾电气有限公司 | Fault detector |
| CN107742921A (en) * | 2017-09-13 | 2018-02-27 | 河南省三禾电气有限公司 | Line feed terminals |
| CN107765116A (en) * | 2017-09-18 | 2018-03-06 | 浙江白云源电气有限公司 | A kind of on-line monitoring method for cable termination on-Line Monitor Device |
| CN110398615A (en) * | 2019-08-02 | 2019-11-01 | 浙江帕博电力科技有限公司 | A kind of temperature measuring type fault detector with coiling function |
-
2010
- 2010-06-12 CN CN2010202244953U patent/CN201732134U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998586A (en) * | 2012-12-06 | 2013-03-27 | 辽宁省电力有限公司抚顺供电公司 | Power system fault indicator |
| CN103267922A (en) * | 2013-05-15 | 2013-08-28 | 国家电网公司 | Intelligent cable short circuit grounding and temperature fault indicator |
| CN103364685A (en) * | 2013-07-22 | 2013-10-23 | 珠海创能科世摩电气科技有限公司 | Current temperature on-line fault indicator and method for judging fault |
| CN103364685B (en) * | 2013-07-22 | 2016-06-29 | 珠海创能科世摩电气科技有限公司 | The online fault detector of current temperature and failure judgment method |
| CN107390093A (en) * | 2017-09-11 | 2017-11-24 | 安徽华明电气设备有限公司 | A kind of high voltage cable malfunction monitoring panel type fault detector structure |
| CN107703402A (en) * | 2017-09-13 | 2018-02-16 | 河南省三禾电气有限公司 | Fault detector |
| CN107742921A (en) * | 2017-09-13 | 2018-02-27 | 河南省三禾电气有限公司 | Line feed terminals |
| CN107765116A (en) * | 2017-09-18 | 2018-03-06 | 浙江白云源电气有限公司 | A kind of on-line monitoring method for cable termination on-Line Monitor Device |
| CN110398615A (en) * | 2019-08-02 | 2019-11-01 | 浙江帕博电力科技有限公司 | A kind of temperature measuring type fault detector with coiling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HAORUIDA TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XUE ZHAOCHUN Effective date: 20110801 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110801 Address after: 102200, Beijing Changping District science and Technology Park, super Road, No. 37 Patentee after: Beijing Haoruida Technology Co., Ltd. Address before: 102200, Beijing, Changping District, super road 37, Zhongguancun industrial pioneer park, building 6, 3 floor Patentee before: Xue Zhaochun |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20120612 |