CN202676825U - Electrical and communication system grounding safety monitoring alarm device - Google Patents

Electrical and communication system grounding safety monitoring alarm device Download PDF

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Publication number
CN202676825U
CN202676825U CN 201220286441 CN201220286441U CN202676825U CN 202676825 U CN202676825 U CN 202676825U CN 201220286441 CN201220286441 CN 201220286441 CN 201220286441 U CN201220286441 U CN 201220286441U CN 202676825 U CN202676825 U CN 202676825U
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signal output
signal input
output terminal
grounding
alarm
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岳桓宇
颜培瑾
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HARBIN OVERSEAS ELECTRIC SYSTEM ENGINEERING Co Ltd
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HARBIN OVERSEAS ELECTRIC SYSTEM ENGINEERING Co Ltd
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Abstract

The utility model discloses an electrical and communication system grounding safety monitoring alarm device relating to a grounding safety monitoring alarm device. The device provided in the utility model can be used to solve the measurement problems of conventional grounding resistances that the data cannot be concentrated, and the data of resistance change of the grounding system cannot be timely monitored. A geographic information output end of a geographic information map server is connected with a geographic information input end of a working station PC machine. An alarm signal output end of the working station PC machine is connected with an alarm signal input end of a fault alarm. The working PC machine is provided with the access to a local area network by a switchboard, and a centralized collector is provided with the access to the local area network. A grounding detection signal output end of a grounding detector is connected with a grounding detection signal input end of the centralized collector. A grounding state monitoring signal output end of a grounding state monitoring circuit is connected with a grounding state monitoring signal input end of the centralized collector. The working station PC machine is provided with the access to the Ethernet, and N remote monitoring computers are respectively provided with the access to the Ethernet. The device provided in the utility model is suitable for the grounding safety monitoring.

Description

A kind of electric and communication system grounding safety monitoring alarm
Technical field
The utility model relates to a kind of grounding safety monitoring alarm.
Background technology
Along with the progress of infotech, the mankind begin to enter robotization, intelligentized epoch from life to work., safe operation reliable in order to ensure these robotizations, intelligentized equipment, earthed system be absolutely necessary (earthed system is to be indispensable a kind of device and measure in various forceful electric power and weak electricity system).
All installation securitys of all departments such as electric power, " ground connection " system of normal operation is its guarantee.Earthing device is to finish the electrical equipment metal shell to be connected with electric device or other facilities) in the package unit that is connected with ground of metal frame, generally formed by ground wire and grounding body." ground connection " is divided into protective ground and function ground connection.
It is precondition that " ground connection " requirement is satisfied in the safe operation of the weak current equipment such as electronic equipment, computer network communication system, can be had a strong impact on such as the earth potential rising of earthed system, the safe operation of electronic equipment and the transmitting of data.Especially lightning protection " ground connection " accounts for the ratio of device damage factor up to 26% according to relevant statistics thunder and lightning in the damage of intelligent building electronic equipment to the damage of electronic equipment, therefore, the stake resistance reliable ground is significant to the safety of electric system and weak electricity system.Constantly the data of the various earthed systems of monitoring how are electric power and communicate by letter and the problem of all kinds of weak electricity system facings.
Mainly by measuring manually, the problem of this mode is in the at present measurement of stake resistance:
(1) cost is larger: the network communicating system that forms in many base stations and the supply network of multi-Substation, carry out regularly that fixed point detects, and carry out that one-shot measurement requires a great deal of time and fund.
(2) data are difficult to concentrate the mistake of complicate statistics, leakage simultaneously.
The change in resistance data of monitoring earthed system that (3) can not be real-time.
The utility model content
The utility model be difficult to concentrate for there are data simultaneously in the measurement that solves present stake resistance, the problem of the change in resistance data of monitoring earthed system that can not be real-time, thereby a kind of electric and communication system grounding safety monitoring alarm are provided.
A kind of electric and communication system grounding safety monitoring alarm, it comprises N remote monitoring computing machine and M machine room;
Include workstation PC, geographic information map server, switch, fault alarm in each machine room, concentrate collector, network hard disk video recorder, a Z video camera, ground location instrument and ground state observation circuit;
The geography information output terminal of geographic information map server is connected with the geography information input end of workstation PC; The alarm signal output ends of workstation PC is connected with the alerting signal input end of fault alarm; The workstation PC is by the switch access to LAN;
The network hard disk video recorder access to LAN; The camera signal output terminal of Z video camera is connected with Z camera signal input end of network hard disk video recorder respectively; The control signal input end of Z video camera is connected with Z control signal output terminal of network hard disk video recorder respectively;
Concentrate the collector access to LAN; The grounding detecting signal output terminal of ground location instrument is connected with the grounding detecting signal input end of concentrated collector; The ground state monitor signal output terminal of ground state observation circuit is connected with the ground state monitor signal input end of concentrated collector;
Workstation PC access network based on ethernet; N the equal access network based on ethernet of remote monitoring computing machine;
M, N and Z are positive integer.
Also comprise Water immersion detector, thermohygrometer and precision air conditioner in each machine room, the water logging detectable signal output terminal of described Water immersion detector is connected with the water logging detectable signal input end of Centralized Controller; The temperature-humidity signal output terminal of thermohygrometer is connected with the temperature-humidity signal input end of Centralized Controller; The control signal input end of precision air conditioner is connected with the air-conditioning control signal output terminal of Centralized Controller.
Also comprise infrared eye and gate inhibition's circuit in each machine room, the infrared signal output terminal of described infrared eye is connected with the infrared signal input end of concentrated collector; The access control signal input part of gate inhibition's circuit is connected with the access control signal output part of concentrated collector.
Also comprise fire-fighting controller, temperature detector and smoke alarm in each machine room, the warming signal output part of described temperature detector is connected cigarette sense signal output part and is connected with the collection signal input end of fire-fighting controller simultaneously with smoke alarm; The collection signal output terminal of fire-fighting controller is connected with the warming of Centralized Controller and cigarette sense signal input part; The fire-fighting control signal input end of fire-fighting controller is connected with the fire-fighting control signal output terminal of concentrated collector.
Also comprise the first auxiliary reclay and ups power in each machine room, the control signal input end of described the first auxiliary reclay is connected with the first relay control signal output terminal of concentrated collector; The ups power signal output part of described the first auxiliary reclay is connected with the ups power signal input part of ups power.
Also comprise accumulator pack detecting instrument in each machine room, the detection signal output terminal of described accumulator pack detecting instrument is connected with the accumulator detection signal input end of concentrated collector.
Also comprise the second auxiliary reclay and generator in each machine room, the control signal input end of described the second auxiliary reclay is connected with the second relay control signal output terminal of concentrated collector; The generator signal output part of described the second auxiliary reclay is connected with the generator signal input part of generator.
Also comprise the low tension switch detecting device in each machine room, the detection signal output terminal of described low tension switch detecting device is connected with the low tension switch detection signal input end of concentrated collector.
The utility model can a plurality of machine rooms of remote monitoring, each machine room is responsible for a cover ground connection security of system and is detected, and simultaneously by remote monitoring, the earthed system that any one machine room is responsible for breaks down, can both be real-time be known by long-range, and send warning message, and pass through video interlink, the accurate trouble spot of determining earthed system is so that maintenance.The utility model is the achieve a butt joint operation of ground system, construction, maintenance, the analysis of fault and the security control apparatus that anti-theft alarm function is integrated.Measurement data centrality of the present utility model is strong, real-time good.
Description of drawings
Fig. 1 is structural representation of the present utility model; Fig. 2 is the structural representation of using the utility model remote monitoring terminal; Wherein mark 51 is protection ground, and mark 52 is intrinsic safety ground, and mark 53 is shielding ground, and mark 54 is ground wire, and 55 is Hall element; Mark 56 is the ground connection total trunk; Mark 57 is grounding body.
Embodiment
Embodiment one, in conjunction with Fig. 1 this embodiment is described, a kind of electric and communication system grounding safety monitoring alarm, it comprises N remote monitoring computing machine 2 and M machine room 1;
Include workstation PC 1-1, geographic information map server 1-2, switch 1-3, fault alarm 1-4 in each machine room 1, concentrate collector 1-5, network hard disk video recorder 1-6, a Z video camera 1-7, ground location instrument 1-8 and ground state observation circuit 1-9;
The geography information output terminal of geographic information map server 1-2 is connected with the geography information input end of workstation PC 1-1; The alarm signal output ends of workstation PC 1-1 is connected with the alerting signal input end of fault alarm 1-4; Workstation PC 1-1 is by switch 1-3 access to LAN;
Network hard disk video recorder 1-6 access to LAN; The camera signal output terminal of Z video camera 1-7 is connected with Z the camera signal input end of network hard disk video recorder 1-6 respectively; The control signal input end of Z video camera 1-7 is connected with Z the control signal output terminal of network hard disk video recorder 1-6 respectively;
Concentrate collector 1-5 access to LAN; The grounding detecting signal output terminal of ground location instrument 1-8 is connected with the grounding detecting signal input end of concentrated collector 1-5; The ground state monitor signal output terminal of ground state observation circuit 1-9 is connected with the ground state monitor signal input end of concentrated collector 1-5;
Workstation PC 1-1 access network based on ethernet; N remote monitoring computing machine 2 equal access network based on ethernet;
M, N and Z are positive integer.
Each machine room 1 is responsible for the monitoring of one section cable, and the structure of each machine room 1 is identical.
Be used for the monitoring, alarming to earthed system, can accurately measure earthed system simultaneously, after being higher than standard value, grounding resistance within 10 seconds, shows, simultaneously, send rapidly loud alarm sound signal and indicate numbering and the geography information position that disconnects earthed system, realize the earthed system of being reported to the police is accurately located.
The utility model is based on the automatic theory of testing, network service and embedded technology.Can automatically monitor simultaneously the earthed system resistance of a plurality of base station transformer station, measurement result to a plurality of terminals is uploaded automatically by network, and the monitoring personnel only need function software can finish measuring process, and native system is realized constantly automatic measurement technology level, data can be concentrated, the functions such as fault alarm.
Earthed system testing circuit 1-8 is adopted advanced Large and middle scale IC, use the novel grounded resistance measuring instrument that the DC/AC converter technique is merged into three terminals, four terminal metering systems a kind of type.
Described a kind of electricly be with difference communication system grounding safety monitoring alarm of embodiment two, this embodiment and embodiment one, also comprise Water immersion detector 3, thermohygrometer 4 and precision air conditioner 5 in each machine room 1, the water logging detectable signal output terminal of described Water immersion detector 3 is connected with the water logging detectable signal input end of Centralized Controller 1-5; The temperature-humidity signal output terminal of thermohygrometer 4 is connected with the temperature-humidity signal input end of Centralized Controller 1-5; The control signal input end of precision air conditioner 5 is connected with the air-conditioning control signal output terminal of Centralized Controller 1-5.
Described a kind of electricly be with difference communication system grounding safety monitoring alarm of embodiment three, this embodiment and embodiment one, also comprise infrared eye 6 and gate inhibition's circuit 7 in each machine room 1, the infrared signal output terminal of described infrared eye 6 is connected with the infrared signal input end of concentrated collector 1-5; The access control signal input part of gate inhibition's circuit 7 is connected with the access control signal output part of concentrated collector 1-5.
Described a kind of electricly be with difference communication system grounding safety monitoring alarm of embodiment four, this embodiment and embodiment one, also comprise fire-fighting controller 8, temperature detector 9 and smoke alarm 10 in each machine room 1, the cigarette sense signal output part that the warming signal output part of described temperature detector 9 is connected with smoke alarm is connected with the collection signal input end of fire-fighting controller 8 simultaneously; The collection signal output terminal of fire-fighting controller 8 is connected with the warming of Centralized Controller 1-5 and cigarette sense signal input part; The fire-fighting control signal input end of fire-fighting controller 8 is connected with the fire-fighting control signal output terminal of concentrated collector 1-5.
Described a kind of electricly be with difference communication system grounding safety monitoring alarm of embodiment five, this embodiment and embodiment one, also comprise the first auxiliary reclay 11 and ups power 13 in each machine room 1, the control signal input end of described the first auxiliary reclay 11 is connected with the first relay control signal output terminal of concentrated collector 1-5; The ups power signal output part of described the first auxiliary reclay 11 is connected with the ups power signal input part of ups power 13.
Described a kind of electricly be with difference communication system grounding safety monitoring alarm of embodiment six, this embodiment and embodiment one, also comprise accumulator pack detecting instrument 14 in each machine room 1, the detection signal output terminal of described accumulator pack detecting instrument 14 is connected with the accumulator detection signal input end of concentrated collector 1-5.
Described a kind of electricly be with difference communication system grounding safety monitoring alarm of embodiment seven, this embodiment and embodiment one, also comprise the second auxiliary reclay 12 and generator 15 in each machine room 1, the control signal input end of described the second auxiliary reclay 12 is connected with the second relay control signal output terminal of concentrated collector 1-5; The generator signal output part of described the second auxiliary reclay 12 is connected with the generator signal input part of generator 15.
Described a kind of electricly be with difference communication system grounding safety monitoring alarm of embodiment eight, this embodiment and embodiment one, also comprise low tension switch detecting device 16 in each machine room 1, the detection signal output terminal of described low tension switch detecting device 16 is connected with the low tension switch detection signal input end of concentrated collector 1-5.
Principle of work: direct current is become the low frequency constant current of interchange by DC/AC transducer in the machine, form the loop through auxiliary earth utmost point C and measured object E, produce on the measured object and exchange pressure drop, send into AC amplifier through auxiliary earth utmost point P and amplify, send into gauge outfit through detection again and show.By the multiplying power switch, can obtain three different amount limits: 0~2 Ω, 0~20 Ω, 0~200 Ω.
Measuring accuracy:
The position between the auxiliary electrode is depended in the accuracy of conventional voltage testing current method, and the relative position between they and the grounding body.In addition, the unevenness of the soil resistivity between the voltage pole electric current utmost point and the grounding body all can affect measurement result.If the position of auxiliary electrode is restricted, can not meet calculated value, then can bring so-called cloth utmost point error.For same grounding body, different auxiliary electrode positions may make measurement result that to a certain degree dispersiveness is arranged.Thereby the accuracy that impact is measured.
The measuring accuracy of native system such as following table:
Measurement range (Ω) Resolution (Ω) Accuracy (Ω)
0.010~0.099 0.001 ±(1%+0.01Ω)
0.10~0.99 0.01 ±(1%+0.01Ω)
1.0~49.9 0.1 ±(1.5%+0.1Ω)
50.0~99.5 0.5 ±(2%+0.5Ω)
100~199 1 ±(3%+1Ω)
200~395 5 ±(6%+5Ω)
400~590 10 ±(10%+10Ω)
600~1000 20 ±(20%+20Ω)
The described a kind of earthed system safety monitoring assembly of present embodiment can monitor the resistance value data of earthed system at any time.The running status of grounding system fault and the employing Real-Time Monitoring circuit of reporting to the police, and the multiple application technologies such as motion vector tracking technique and long-range GSM have been carried out organic combination, maintenance management combines together to the ground connection system construction, has especially realized the Safety Management to the high-tension electricity earthed system.
The standard of the utility model foundation: the GB50057-94(2000 version) " Code for design of lightning protection of buildings "; JGJ/T16-92 " design of civil buildings standard "; GB50089-98 " earth resistance tester Code for safety design of ivil explosive materials manufacturing plants ".

Claims (8)

1. electric and communication system grounding safety monitoring alarm, it is characterized in that: it comprises N remote monitoring computing machine (2) and M machine room (1);
Include workstation PC (1-1), geographic information map server (1-2), switch (1-3), fault alarm (1-4) in each machine room (1), concentrate collector (1-5), network hard disk video recorder (1-6), a Z video camera (1-7), ground location instrument (1-8) and ground state observation circuit (1-9);
The geography information output terminal of geographic information map server (1-2) is connected with the geography information input end of workstation PC (1-1); The alarm signal output ends of workstation PC (1-1) is connected with the alerting signal input end of fault alarm (1-4); Workstation PC (1-1) is by switch (1-3) access to LAN;
Network hard disk video recorder (1-6) access to LAN; The camera signal output terminal of Z video camera (1-7) is connected with Z camera signal input end of network hard disk video recorder (1-6) respectively; The control signal input end of Z video camera (1-7) is connected with Z control signal output terminal of network hard disk video recorder (1-6) respectively;
Concentrate collector (1-5) access to LAN; The grounding detecting signal output terminal of ground location instrument (1-8) is connected with the grounding detecting signal input end of concentrated collector (1-5); The ground state monitor signal output terminal of ground state observation circuit (1-9) is connected with the ground state monitor signal input end of concentrated collector (1-5);
Workstation PC (1-1) access network based on ethernet; N remote monitoring computing machine (2) be access network based on ethernet all;
M, N and Z are positive integer.
2. a kind of electric and communication system grounding safety monitoring alarm according to claim 1, it is characterized in that also comprising in each machine room (1) Water immersion detector (3), thermohygrometer (4) and precision air conditioner (5), the water logging detectable signal output terminal of described Water immersion detector (3) is connected with the water logging detectable signal input end of Centralized Controller (1-5); The temperature-humidity signal output terminal of thermohygrometer (4) is connected with the temperature-humidity signal input end of Centralized Controller (1-5); The control signal input end of precision air conditioner (5) is connected with the air-conditioning control signal output terminal of Centralized Controller (1-5).
3. a kind of electric and communication system grounding safety monitoring alarm according to claim 1, it is characterized in that also comprising in each machine room (1) infrared eye (6) and gate inhibition's circuit (7), the infrared signal output terminal of described infrared eye (6) is connected with the infrared signal input end of concentrated collector (1-5); The access control signal input part of gate inhibition's circuit (7) is connected with the access control signal output part of concentrated collector (1-5).
4. a kind of electric and communication system grounding safety monitoring alarm according to claim 1, it is characterized in that also comprising fire-fighting controller (8), temperature detector (9) and smoke alarm (10) in each machine room (1), the warming signal output part of described temperature detector (9) is connected 10 with smoke alarm) cigarette sense signal output part be connected with the collection signal input end of fire-fighting controller (8) simultaneously; The collection signal output terminal of fire-fighting controller (8) is connected with warming and the cigarette sense signal input part of Centralized Controller (1-5); The fire-fighting control signal input end of fire-fighting controller (8) is connected with the fire-fighting control signal output terminal of concentrated collector (1-5).
5. a kind of electric and communication system grounding safety monitoring alarm according to claim 1, it is characterized in that also comprising in each machine room (1) the first auxiliary reclay (11) and ups power (13), the control signal input end of described the first auxiliary reclay (11) is connected with the first relay control signal output terminal of concentrated collector (1-5); The ups power signal output part of described the first auxiliary reclay (11) is connected with the ups power signal input part of ups power (13).
6. a kind of electric and communication system grounding safety monitoring alarm according to claim 1, it is characterized in that also comprising in each machine room (1) accumulator pack detecting instrument (14), the detection signal output terminal of described accumulator pack detecting instrument (14) is connected with the accumulator detection signal input end of concentrated collector (1-5).
7. a kind of electric and communication system grounding safety monitoring alarm according to claim 1, it is characterized in that also comprising in each machine room (1) the second auxiliary reclay (12) and generator (15), the control signal input end of described the second auxiliary reclay (12) is connected with the second relay control signal output terminal of concentrated collector (1-5); The generator signal output part of described the second auxiliary reclay (12) is connected with the generator signal input part of generator (15).
8. a kind of electric and communication system grounding safety monitoring alarm according to claim 1, it is characterized in that also comprising in each machine room (1) low tension switch detecting device (16), the detection signal output terminal of described low tension switch detecting device (16) is connected with the low tension switch detection signal input end of concentrated collector (1-5).
CN 201220286441 2012-06-18 2012-06-18 Electrical and communication system grounding safety monitoring alarm device Active CN202676825U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104950206A (en) * 2015-07-21 2015-09-30 厦门一联高科信息技术有限公司 Online detection system for power line ground protection
US9625511B2 (en) 2014-06-24 2017-04-18 International Business Machines Corporation Power distribution unit and alarm

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9625511B2 (en) 2014-06-24 2017-04-18 International Business Machines Corporation Power distribution unit and alarm
US9714972B2 (en) 2014-06-24 2017-07-25 International Business Machines Corporation Power distribution unit and alarm method applied in the same
US10168374B2 (en) 2014-06-24 2019-01-01 International Business Machines Corporation Power distribution unit and alarm method applied in the same
US10175282B2 (en) 2014-06-24 2019-01-08 International Business Machines Corporation Power distribution unit and alarm method applied in the same
CN104950206A (en) * 2015-07-21 2015-09-30 厦门一联高科信息技术有限公司 Online detection system for power line ground protection

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