CN201985623U - Device for performing remote alarm to abnormal running of distribution transformer - Google Patents

Device for performing remote alarm to abnormal running of distribution transformer Download PDF

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Publication number
CN201985623U
CN201985623U CN2011200376952U CN201120037695U CN201985623U CN 201985623 U CN201985623 U CN 201985623U CN 2011200376952 U CN2011200376952 U CN 2011200376952U CN 201120037695 U CN201120037695 U CN 201120037695U CN 201985623 U CN201985623 U CN 201985623U
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China
Prior art keywords
circuit
signal
signal data
distant place
connects
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Expired - Fee Related
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CN2011200376952U
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Chinese (zh)
Inventor
陈家斌
易保华
张露江
朱秀文
陈蕾
Original Assignee
陈家斌
易保华
张露江
朱秀文
陈蕾
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Priority to CN2011200376952U priority Critical patent/CN201985623U/en
Application granted granted Critical
Publication of CN201985623U publication Critical patent/CN201985623U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a device for performing remote alarm to abnormal running of a distribution transformer. The device comprises a signal data acquisition circuit, a signal data calculation and judgment circuit, and a remote alarm communication circuit, wherein the signal data acquisition circuit for acquiring signal data from a transformer district is in output connection with the signal data calculation and judgment circuit; the signal data calculation and judgment circuit is in output connection with the remote alarm communication circuit; and the remote alarm communication circuit is connected with an intelligent distribution network power supply control center or a mobile phone of an on-duty electrician. In the utility model, a modern computer as well as the monitoring and communication technology is used to develop a device, which is used in the distribution transformer in a 400v power distribution network and can timely detect and perform remote alarm to the overcurrent and the high/low phase break of the transformer; owing to the popularization and application of the device, the labor intensity of workers and the insecurity factors can be greatly reduced, the power supply reliability of the power distribution network is improved, the benefits of a power enterprise and the society are increased, the social credibility of a power supply enterprise can be upgraded, and the technology for building and developing an intelligent power grid can be positively promoted.

Description

Distribution transformer operation exception distant place warning device
Technical field
The utility model relates to a kind of distribution transformer operation exception distant place intelligent alarm technology, specifically, is a kind of application 10kV distribution transformer operation exception distant place warning device.
Background technology
The intelligent grid construction is carried out in electric power system at present comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management, intellectual analysis.The distribution intellectuality has only just begun starting, because a variety of causes fails to be generalizable always comprehensively, study for distribution transformer operation exception distant place alarm technique, also be the intelligent popularization and application part of distribution, be primarily aimed at distribution transformer and following 400V power distribution system equipment operation exception distant place warning.
Distribution transformer operation exception distant place alarm technique research and construction, to play very big promotion to the power distribution system equipment safety and economic operation, at present in the distribution transformer of operation and following 400V distribution system, owing to can not monitor in real time, basically be out of order, fuse failure user as transformer high and low pressure fuse has a power failure, and has only by customer interrupted notice power supply maintainer on duty and removes to change fuse; Repair time is long so back and forth, influence is to user's power supply, reduced power supply reliability, improved the device damage rate, if can popularize in an all-round way and use distribution transformer operation exception distant place alarm technique, the distribution system power supply reliability is improved greatly, and also development plays a role in promoting to the intelligent grid construction technique.
Summary of the invention
The alarm technique research of the unusual distant place of equipment operation, distribution transformer platform district is used, and the distribution system power supply reliability is improved, and reduces the device damage rate, and also development plays a role in promoting to the intelligent grid construction technique.
The purpose of the present utility model is to realize by following technical scheme:
Distribution transformer operation exception distant place warning device comprises the signal data acquisition circuit, and signal data calculates decision circuitry, distant place Alarm Communication circuit;
Wherein, described signal data acquisition circuit, from the distribution transformer system acquisition to various signal datas, output connects described signal data and calculates decision circuitry, signal data calculates the decision circuitry output and connects described distant place Alarm Communication circuit, and distant place Alarm Communication circuit connects distribution supply intelligent control centre or shift electrician's mobile phone.
The signal data acquisition circuit comprises low pressure phase line, neutral line current signal acquisition circuit, low pressure phase line disconnection signal Acquisition Circuit, high pressure phase disconnection signal Acquisition Circuit; Described signal data acquisition circuit signal output connects described signal data and calculates decision circuitry, distant place Alarm Communication circuit;
Wherein, described low pressure phase line, neutral line current signal acquisition circuit are that low pressure A, B, C, N phase current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, insert signal data and calculate decision circuitry;
Described low pressure phase line disconnection signal Acquisition Circuit is to gather disconnection signal from low pressure A, B, C phase line line disconnection protector to insert distant place Alarm Communication circuit;
Described high pressure phase line disconnection signal Acquisition Circuit is to gather high pressure A, B, C phase line disconnection signal access distant place Alarm Communication circuit from phase sequence relay;
Signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input connects described signal data acquisition circuit output end, the output of A/D translation circuit connects described data computation decision circuitry, the output of data computation decision circuitry connects described executive component, and executive component output connects described distant place Alarm Communication circuit.
Distant place Alarm Communication circuit comprises radio communication circuit, optical fibre communication cable circuit;
Wherein, the optical fibre communication cable circuit comprises fiber optic cables, optical transmission circuit; Described optical transmission circuit connects described fiber optic cables, and fiber optic cables connect described distribution supply intelligent control centre; Optical transmission circuit changes the signal of telecommunication into light signal, is transmitted to distribution supply intelligent control centre by fiber optic cables;
Radio communication circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit, and radiating circuit is passed to alarm signal on distribution supply intelligent control centre or the shift electrician's mobile phone.
This unusual distant place of equipment operation, distribution transformer platform district warning device, utilize advanced computer technology, monitoring technology, the communication technology, thus develop a kind of remote live state, Data Detection intelligent management device that is used for distribution transformer, the operation of 400V power distribution system equipment.The present invention has outstanding substantive distinguishing features and obvious improvement to prior art, specifically, this distribution transformer operation exception distant place warning device technological progress, reasonable in design, report to the police in a desirable realization distribution transformer operation exception distant place, for development network distribution system electricity intelligence chemical control system, will play positive facilitation, the concrete advantage of this distribution transformer operation exception distant place warning device:
1, distribution transformer operation exception distant place warning device, can monitor transformer-supplied platform district's safe operation situation at any time, at any time can grasp distribution transformer platform district power supply field apparatus running status by remote measurement, remote signalling,, carry out a distant place and report to the police as transformer overcurrent, the height phase failure etc. take place.
2, popularize application distribution transformer operation exception distant place alarm technique in an all-round way, can alleviate worker's labour intensity greatly, reduce unsafe factor, improve the distribution system power supply reliability, improve electric power enterprise and social benefit, improve the social prestige of power supply enterprise greatly; And intelligent grid construction technique development played a role in promoting.
Description of drawings
Fig. 1 is that the utility model distribution transformer operation exception distant place warning device is formed block diagram;
Fig. 2 is a signal data acquisition circuit diagram described in the utility model;
Fig. 3 is that signal data described in the utility model calculates the decision circuitry block diagram;
Fig. 4 A is that optical fiber communication circuit described in the utility model is formed block diagram;
Fig. 4 B is that radio communication circuit described in the utility model is formed block diagram;
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 1, form block diagram for distribution transformer operation exception of the present invention distant place warning device, this system comprises signal data acquisition circuit 1, and signal data calculates decision circuitry 2, distant place Alarm Communication circuit 3;
Described signal data acquisition circuit collects various signal data outputs from distribution transformer platform sound zone system and connects described signal data calculating decision circuitry, signal data calculates the decision circuitry output and connects described distant place Alarm Communication circuit, and distant place Alarm Communication circuit connects distribution supply intelligent control centre or shift electrician's mobile phone.
Collect real-time data signal from the transformer platform sound zone system, be transferred to data computation judgment processing circuit, distant place Alarm Communication circuit respectively; The current signal data compare by data computation judgment processing circuit, judge whether overcurrent of system equipment, if overcurrent, over-current signal is transferred to distant place Alarm Communication circuit to carry out a distant place and report to the police; If the phase failure of transformer high and low pressure, phase failure signal is transferred to distant place Alarm Communication circuit to carry out a distant place and reports to the police and inform the electrician.
Fig. 2 is a signal data acquisition circuit diagram of the present invention, and the signal data acquisition circuit comprises low pressure phase line, neutral line current signal acquisition circuit 21, low pressure phase line disconnection signal Acquisition Circuit 22, high pressure phase line disconnection signal Acquisition Circuit 23; Described signal data acquisition circuit, the high and low pressure phase line disconnection signal of Cai Jiing is transferred to distant place Alarm Communication circuit respectively; Low pressure phase line, the neutral line current signal of gathering is transferred to signal data and calculates decision circuitry.
Described low pressure phase line, neutral line current signal acquisition circuit are the current signal output access signal data calculating decision circuitry that A, B, C, N phase current is fit to requirement through current transformer and load resistance conversion; When the system power parameter changes, calculate the super setting of overcurrent parameter by microcomputer, will surpass the setting signal and be transferred to distant place Alarm Communication circuit, send the overcurrent alarm signal.
Described low pressure phase line disconnection signal Acquisition Circuit is to gather A, B, C phase line disconnection signal from low pressure phase line line disconnection protector, inserts distant place Alarm Communication circuit; When broken string or low-tension fuse fusing take place the transformer low voltage phase line, will break or the low-tension fuse signal that fuses is transferred to distant place Alarm Communication circuit and sends low pressure phase line break alarm signal.
Described high pressure phase line disconnection signal Acquisition Circuit is to gather high pressure A, B, C phase line disconnection signal access distant place Alarm Communication circuit from phase sequence relay; When broken string or high-voltage wire iron-melting fusing take place the transformer high-voltage phase line, will break or the high-voltage wire iron-melting fusing signal is transferred to distant place Alarm Communication circuit and sends high pressure phase line break alarm signal.
Fig. 3 is that signal data of the present invention calculates the decision circuitry block diagram, and signal data calculates decision circuitry and comprises: A/D translation circuit 31, calculating decision circuitry 32, executive component 33; Described A/D translation circuit 31 inputs connect described signal data acquisition circuit output end, the output of A/D translation circuit connects described calculating decision circuitry 32, calculate decision circuitry and connect described executive component 33, the executive component output connects described distant place Alarm Communication circuit.
After described data computation decision circuitry obtains the low-tension current signal data from signal acquisition circuit, after signal data carries out the A/D conversion, input is calculated decision circuitry and is calculated comparison, judge whether overcurrent of system equipment, if overcurrent, over-current signal is transferred to executive component, and executive component is transferred to distant place Alarm Communication circuit with over-current signal and carries out distant place warning.
Fig. 4 A is that optical fiber communication circuit of the present invention is formed block diagram, and the optical fiber communication circuit comprises optical transmission circuit 41, fiber optic cables 42; Described optical transmission circuit connects fiber optic cables one end, and the fiber optic cables other end connects distribution supply intelligent control centre.Optical transmission circuit is that the signal of telecommunication that will gather changes light signal into and is transmitted to distribution supply intelligent control centre by fiber optic cables.
Fig. 4 B is that radio alarming telecommunication circuit of the present invention is formed block diagram; The radio alarming telecommunication circuit comprises signal input circuit 43, coding circuit 44, radiating circuit 45; Described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit, and the emission alarm signal is passed on distribution supply intelligent control centre or the shift electrician's mobile phone.
This device collects real-time data signal, and the current signal data compare by data computation judgment processing circuit, judges whether overcurrent of system equipment, if overcurrent, over-current signal is transferred to distant place Alarm Communication circuit to carry out a distant place and report to the police; If the phase failure of transformer high and low pressure, phase failure signal is transferred to distant place Alarm Communication circuit to carry out a distant place and reports to the police and inform the electrician.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.

Claims (4)

1. a distribution transformer operation exception distant place warning device is characterized in that: comprise the signal data acquisition circuit, signal data calculating decision circuitry, distant place Alarm Communication circuit;
Wherein, described signal data acquisition circuit, collect various signal data outputs from distribution transformer platform district device systems and connect described signal data calculating decision circuitry, signal data calculates the decision circuitry output and connects described distant place Alarm Communication circuit, and distant place Alarm Communication circuit connects distribution supply intelligent control centre or shift electrician's mobile phone.
2. distribution transformer operation exception according to claim 1 distant place warning device, it is characterized in that: the signal data acquisition circuit comprises low pressure phase line, neutral line current signal acquisition circuit, low pressure phase line disconnection signal Acquisition Circuit, high pressure phase disconnection signal Acquisition Circuit; Described signal data acquisition circuit signal output connects described signal data and calculates decision circuitry, distant place Alarm Communication circuit;
Wherein, described low pressure phase line, neutral line current signal acquisition circuit are that low pressure A, B, C, N phase current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, insert signal data and calculate decision circuitry;
Described low pressure phase line disconnection signal Acquisition Circuit is to gather disconnection signal from low pressure A, B, C phase line line disconnection protector to insert distant place Alarm Communication circuit;
Described high pressure phase line disconnection signal Acquisition Circuit is to gather high pressure A, B, C phase line disconnection signal access distant place Alarm Communication circuit from the low pressure phase sequence relay.
3. distribution transformer operation exception according to claim 1 distant place warning device is characterized in that: signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input connects described signal data acquisition circuit output end, the output of A/D translation circuit connects described data computation decision circuitry, the output of data computation decision circuitry connects described executive component, and executive component output connects described distant place Alarm Communication circuit.
4. distribution transformer operation exception according to claim 1 distant place warning device, it is characterized in that: distant place Alarm Communication circuit comprises optical fibre communication cable circuit, radio communication circuit;
Wherein, the optical fibre communication cable circuit comprises fiber optic cables, optical transmission circuit; Described optical transmission circuit connects described fiber optic cables, and fiber optic cables connect described distribution supply intelligent control centre; Optical transmission circuit changes the signal of telecommunication into light signal, is transmitted to distribution supply intelligent control centre by fiber optic cables;
Radio communication circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit, and radiating circuit is passed to alarm signal on distribution supply intelligent control centre or the shift electrician's mobile phone.
CN2011200376952U 2011-02-07 2011-02-07 Device for performing remote alarm to abnormal running of distribution transformer Expired - Fee Related CN201985623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200376952U CN201985623U (en) 2011-02-07 2011-02-07 Device for performing remote alarm to abnormal running of distribution transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200376952U CN201985623U (en) 2011-02-07 2011-02-07 Device for performing remote alarm to abnormal running of distribution transformer

Publications (1)

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CN201985623U true CN201985623U (en) 2011-09-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102122842A (en) * 2011-02-07 2011-07-13 陈家斌 Abnormal operation remote alarm device for distribution transformer distribution room equipment
CN102624092A (en) * 2012-04-01 2012-08-01 河南省电力公司驻马店供电公司 Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102122842A (en) * 2011-02-07 2011-07-13 陈家斌 Abnormal operation remote alarm device for distribution transformer distribution room equipment
CN102624092A (en) * 2012-04-01 2012-08-01 河南省电力公司驻马店供电公司 Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone

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

Granted publication date: 20110921

Termination date: 20120207

C17 Cessation of patent right