CN102354440A - Information acquisition device and online monitoring system for electric connection part - Google Patents
Information acquisition device and online monitoring system for electric connection part Download PDFInfo
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- CN102354440A CN102354440A CN2011102197434A CN201110219743A CN102354440A CN 102354440 A CN102354440 A CN 102354440A CN 2011102197434 A CN2011102197434 A CN 2011102197434A CN 201110219743 A CN201110219743 A CN 201110219743A CN 102354440 A CN102354440 A CN 102354440A
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Abstract
The invention discloses an information acquisition device and an online monitoring system for an electric connection part, and aims to provide the information acquisition device and the online monitoring system for the electric connection part. The information acquisition device and the online monitoring system ensure high detection correctness and can effectively avoid faults or accidents. The online monitoring system for the electric connection part comprises an electric connection part information acquisition device and a personal digital assistant (PDA) receiving terminal in communication connection, wherein the information acquisition device comprises a singlechip (1), a current sensor I (2), a current sensor II (3), a temperature sensor (4), a potential difference test wire clip (5), a wireless data transmission device (6) and a power supply device (7), wherein the current sensor I (2), the temperature sensor (4), the potential difference test wire clip (5), the wireless data transmission device (6) and the power supply device (7) are all connected with the singlechip (1) through lead wires; and the current sensor II (3) is connected with the power supply device (7) through a lead wire.
Description
Technical field
The present invention relates to a kind of information acquisition device and on-line monitoring system that is electrically connected the position.
Background technology
Outdoor electric power facility is first-class like: substation transformer, on-pole switch equipment, power cable because numerous, distribute wide and geographical conditions comparatively complicated, so generally all carry out unattended.Though can be through regularly or irregularly making an inspection tour the problem of finding some security administration or electrical operation aspect; But be electrically connected the loose contact hidden danger that the position takes place for it; Often be difficult to find; Be electrically connected the position and why produce loose contact; Mainly be since long term exposure in air, electric current, external force effect and condition effect such as environment, weather in addition; And; Bigger load current through loose contact be electrically connected the position time will produce abnormal temperature and raise; This will further quicken the increase of contact resistance; Also quickening simultaneously further abnormal temperature raises---and the result of so vicious cycle quickens the aging or sealing rubber ring of electric insulation to follow the string, thereby possibly produce cable end insulation degradation even blast, high-low pressure porcelain bushing shell place's poor sealing and insulating material electric property and degraded in mechanical properties even distortion or the like of seepage transformer oil, switchgear.Therefore; In order in time to find loose contact hidden danger; Many experts have made unremitting effort; At present; Traditional way all is to adopt temperature-measurement principle, as: paste sheetlike temperature indicator, variable color bolt, the too high indicator of temperature, radio thermometric, infrared thermometry etc., though some problems also can checked and find to these methods; But also there is weak point simultaneously: 1, be subjected to external condition (season, weather, solar light irradiation etc.) influence bigger, make measured value untrue; 2, it is bigger influenced by load current.Same contact resistance, its temperature rise is different under different load current conditions; Because monitoring current value simultaneously is so can not accurately say something.
For this reason, explore technical scheme advanced, that rational outdoor electric power facility is electrically connected the position loose contact and formed the general market demand.
Summary of the invention
Technical matters to be solved by this invention is the deficiency that overcomes prior art, provides a kind of correctness that detects than information acquisition device that is electrically connected the position and on-line monitoring system higher, that can effectively avoid fault or accident to take place.
A kind of technical scheme that information acquisition device adopted that is electrically connected the position of the present invention is: said information acquisition device comprises current transformer I, current transformer II, temperature sensor, potential difference (PD) test clamp, wireless data sending device, supply unit; Said current transformer I, said temperature sensor, said potential difference (PD) test clamp, said wireless data sending device, said supply unit all are connected with said single-chip microcomputer lead, and said current transformer II is connected with said supply unit lead.
Said single-chip microcomputer comprises;
Be used to gather the sampling module of load current, touch voltage, conductive surface temperature;
Be used to preserve the memory module of the data that said sampling module collects;
Be used for modular converter that data are handled;
Be used for computing module that the load current that collects and touch voltage are calculated.
Said single-chip microcomputer also comprises and is used for the data that collect and setting value compares and intelligent decision reminding module to pointing out unusually.
Said memory module has the automaticdata hold function when electrical breakdown.
The present invention is a kind of to be electrically connected the technical scheme that the position on-line monitoring system adopted and to be: electric connection part on-line monitoring system of the present invention comprises said information acquisition device and the PDA receiving terminal that is connected with said information acquisition device radio communication, and said PDA receiving terminal can and will output to other intelligent terminals to said information acquisition device remote control, remote measurement, extraction data after the data storing.
Said PDA receiving terminal comprises CPU, display, supply unit, keyboard, wireless data sending device, FLASH flash memory; Said display, said supply unit, said keyboard, said wireless data sending device, said FLASH flash memory all are connected through lead with said CPU, and said CPU comprises:
The ambient temperature measurement module is used for the environment temperature around the said PDA receiving terminal is measured;
The contrast alarm module is used for the conductive surface temperature that the detected temperature of said ambient temperature measurement module and said information acquisition device collect is compared, and abnormal information is alarmed.
The invention has the beneficial effects as follows: owing to the present invention includes current transformer I, current transformer II, temperature sensor, potential difference (PD) test clamp, wireless data sending device, supply unit; Said current transformer I, said temperature sensor, said potential difference (PD) test clamp, said wireless data sending device, said supply unit all are connected with said single-chip microcomputer lead, and said current transformer II is connected with said supply unit lead.Through the present invention is installed on be electrically connected the position after; Said current transformer I is carried out current sample; Said current transformer II is obtained electric energy; The conductive surface temperature that said temperature sensor collection is passed through; Said potential difference (PD) test clamp is gathered touch voltage; And save the data in the said single-chip microcomputer; So both surveyed temperature difference; Survey load current and touch voltage again; Can effectively eliminate the influence of extraneous factor, thus the present invention detect correctness than higher, can effectively avoid fault or accident to take place.
Description of drawings
Fig. 1 is the structural representation of information acquisition device of the present invention.
Embodiment
As shown in Figure 1; The present invention is electrically connected the position on-line monitoring system and comprises that at least one information acquisition device reaches and the PDA receiving terminal of said information acquisition device radio communication; If when using plural said information acquisition device as required; Said information acquisition device is encoded one by one; Said information acquisition device is installed on electric connection part; Be used to gather the load current that electric connection part passes through; Touch voltage; Conductive surface temperature and with its preservation; Send when supplying said PDA receiving terminal to need; Said PDA receiving terminal is carried by the tour personnel; Be used for being used near the surveillance equipment; Has remote measurement; Functions such as wireless telecommunications and intelligent decision prompting; Can preserve data and export it to other intelligent terminal easily; Said information acquisition device comprises single-chip microcomputer 1; Current transformer I 2; Current transformer II 3; Temperature sensor 4; Potential difference (PD) test clamp 5; Wireless data sending device 6; Supply unit 7; Said current transformer I 2; Said temperature sensor 4; Said potential difference (PD) test clamp 5; Said wireless data sending device 6; Said supply unit 7 all is connected with said single-chip microcomputer 1 lead; Said current transformer II 3 is connected with said supply unit 7 leads; Said single-chip microcomputer 1 also comprises sampling module; Memory module; Modular converter; Computing module; The intelligent decision reminding module; Said sampling module is used to receive said PDA receiving terminal instruction back and gathers load current; Touch voltage; The data of conductive surface temperature; Said memory module is used to preserve the data that said sampling module collects; Said modular converter is used for the data that said acquisition module collects are handled; And the information after will changing sends to said PDA receiving terminal by said wireless data sending device 6; Said computing module is used for load current that collects and touch voltage are calculated; Said intelligent decision reminding module is used for the data that collect and setting value compares and to pointing out unusually; Said memory module has the automaticdata hold function when electrical breakdown; Said PDA receiving terminal comprises CPU; Display; Supply unit; Keyboard; The wireless data sending device; The FLASH flash memory; Said display; Said supply unit; Said keyboard; Said wireless data sending device; Said FLASH flash memory all is connected through lead with said CPU; Said CPU comprises: the ambient temperature measurement module, the environment temperature around the said PDA receiving terminal is measured; The contrast alarm module is used for the conductive surface temperature that the detected temperature of said ambient temperature measurement module and said information acquisition device collect is compared, and abnormal information is alarmed.
Electric connection part on-line monitoring system of the present invention adopts and had both surveyed temperature difference (environment temperature is poor with the temperature that is electrically connected the position); Survey the method for load current and touch voltage again; Can significantly eliminate the extraneous factor influence; Have reasonable, accurate, reliable characteristics; Really can find the loose contact sign, can play the effect of taking precautions against in possible trouble---prevent and stop issuable therefrom fault or accident.
Claims (6)
1. information acquisition device that is electrically connected the position; It is characterized in that: said information acquisition device comprises single-chip microcomputer (1); Current transformer I (2); Current transformer II (3); Temperature sensor (4); Potential difference (PD) test clamp (5); Wireless data sending device (6); Supply unit (7); Said current transformer I (2); Said temperature sensor (4); Said potential difference (PD) test clamp (5); Said wireless data sending device (6); Said supply unit (7) all is connected with said single-chip microcomputer (1) lead, and said current transformer II (3) is connected with said supply unit (7) lead.
2. a kind of information acquisition device that is electrically connected the position according to claim 1 is characterized in that: said single-chip microcomputer (1) comprises;
Be used to gather the sampling module of load current, touch voltage, conductive surface temperature;
Be used to preserve the memory module of the data that said sampling module collects;
Be used for modular converter that data are handled;
Be used for computing module that the load current that collects and touch voltage are calculated.
3. a kind of information acquisition device that is electrically connected the position according to claim 2 is characterized in that: said single-chip microcomputer (1) also comprises and is used for the data that collect and setting value compares and intelligent decision reminding module to pointing out unusually.
4. a kind of information acquisition device that is electrically connected the position according to claim 2 is characterized in that: said memory module data when electrical breakdown are preserved automatically.
5. on-line monitoring system that is electrically connected the position that comprises the said information acquisition device of at least one claim 1; It is characterized in that: the said on-line monitoring system that is electrically connected the position comprises also and can and will output to the PDA receiving terminal of other intelligent terminals after the data storing to said information acquisition device remote control, remote measurement, extraction data that said PDA receiving terminal is connected with said information acquisition device radio communication.
6. a kind of on-line monitoring system that is electrically connected the position according to claim 5; It is characterized in that: said PDA receiving terminal comprises CPU, display, supply unit, keyboard, wireless data sending device, FLASH flash memory; Said display, said supply unit, said keyboard, said wireless data sending device, said FLASH flash memory all are connected through lead with said CPU, and said CPU comprises:
The ambient temperature measurement module is used for the environment temperature around the said PDA receiving terminal is measured;
The contrast alarm module is used for the conductive surface temperature that the detected temperature of said ambient temperature measurement module and said information acquisition device collect is compared, and abnormal information is alarmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102197434A CN102354440A (en) | 2011-08-02 | 2011-08-02 | Information acquisition device and online monitoring system for electric connection part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102197434A CN102354440A (en) | 2011-08-02 | 2011-08-02 | Information acquisition device and online monitoring system for electric connection part |
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| Publication Number | Publication Date |
|---|---|
| CN102354440A true CN102354440A (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102197434A Pending CN102354440A (en) | 2011-08-02 | 2011-08-02 | Information acquisition device and online monitoring system for electric connection part |
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| CN (1) | CN102354440A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616209A (en) * | 2015-02-05 | 2015-05-13 | 云南电网有限责任公司大理供电局 | Online monitoring based information collecting evaluation method for power cable connector |
| CN105789919A (en) * | 2016-04-27 | 2016-07-20 | 程佑前 | Power transmission and distribution line automatic information wire clamp |
| CN109375044A (en) * | 2018-12-12 | 2019-02-22 | 上海奥波电子有限公司 | The method and system of quality are electrically connected between a kind of detection conductor |
| CN111766476A (en) * | 2020-07-14 | 2020-10-13 | 广东电网有限责任公司 | Rapid networking and fault early warning device for bypass cable monitoring and early warning method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090262781A1 (en) * | 2006-08-11 | 2009-10-22 | Brian Rafael Shumaker | Multipoint digital temperature acquisition system |
| CN201788030U (en) * | 2010-08-16 | 2011-04-06 | 江阴市利得电气有限公司 | Intelligent wireless temperature-measuring device for bus contact joint |
| CN102033178A (en) * | 2010-11-08 | 2011-04-27 | 福州大学 | Intelligent bus duct simulating, monitoring and analyzing system |
| CN202257207U (en) * | 2011-08-02 | 2012-05-30 | 珠海博威电气有限公司 | Information acquirer and online monitoring system of electrical connection part |
-
2011
- 2011-08-02 CN CN2011102197434A patent/CN102354440A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090262781A1 (en) * | 2006-08-11 | 2009-10-22 | Brian Rafael Shumaker | Multipoint digital temperature acquisition system |
| CN201788030U (en) * | 2010-08-16 | 2011-04-06 | 江阴市利得电气有限公司 | Intelligent wireless temperature-measuring device for bus contact joint |
| CN102033178A (en) * | 2010-11-08 | 2011-04-27 | 福州大学 | Intelligent bus duct simulating, monitoring and analyzing system |
| CN202257207U (en) * | 2011-08-02 | 2012-05-30 | 珠海博威电气有限公司 | Information acquirer and online monitoring system of electrical connection part |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616209A (en) * | 2015-02-05 | 2015-05-13 | 云南电网有限责任公司大理供电局 | Online monitoring based information collecting evaluation method for power cable connector |
| CN104616209B (en) * | 2015-02-05 | 2018-02-09 | 云南电网有限责任公司大理供电局 | A kind of power cable connector information fusion evaluation method based on on-line monitoring |
| CN105789919A (en) * | 2016-04-27 | 2016-07-20 | 程佑前 | Power transmission and distribution line automatic information wire clamp |
| CN109375044A (en) * | 2018-12-12 | 2019-02-22 | 上海奥波电子有限公司 | The method and system of quality are electrically connected between a kind of detection conductor |
| CN111766476A (en) * | 2020-07-14 | 2020-10-13 | 广东电网有限责任公司 | Rapid networking and fault early warning device for bypass cable monitoring and early warning method thereof |
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Application publication date: 20120215 |