CN104142182A - Cable connector on-line monitoring system - Google Patents
Cable connector on-line monitoring system Download PDFInfo
- Publication number
- CN104142182A CN104142182A CN201410392205.9A CN201410392205A CN104142182A CN 104142182 A CN104142182 A CN 104142182A CN 201410392205 A CN201410392205 A CN 201410392205A CN 104142182 A CN104142182 A CN 104142182A
- Authority
- CN
- China
- Prior art keywords
- signal
- data acquisition
- acquisition unit
- communication controller
- bus communication
- 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.)
- Pending
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a cable connector on-line monitoring system which comprises a plurality of temperature sensing chips, data acquisition units, a high voltage isolation transformer, an upper computer and a CAN bus communication controller. The temperature sensing chips are connected with cable connectors respectively and used for obtaining current temperature signals of the cable connectors; the data acquisition units are connected with the temperature sensing chips respectively and used for collecting the current temperature signals obtained by the temperature sensing chips; the high voltage isolation transformer is respectively connected with a power source and the data acquisition units, enables the output voltage of the power source to be converted and outputs the isolation voltage to supply power to the data acquisition units; the CAN bus communication controller is respectively connected with the upper computer and the data acquisition units and enables all the current temperature signals collected by the data acquisition units to be transmitted to the upper computer.
Description
Technical field
The present invention relates to electric power facility technical field, particularly a kind of cable splice on-line monitoring system.
Background technology
Increase along with power consumption, because power cable connector compression joint technique is bad or long-term overload operation, cause insulation ag(e)ing, contact resistance increases, the increase of contact resistance makes degradation of insulation on the contrary, so that cause device damage and cable short circuit is blown out, and then cause Cable Firing Accident, affects safety production, causes economic loss and bad social influence.Therefore, conventionally utilize the temperature monitoring system of cable splice, realize cable splice is carried out to temperature Real-Time Monitoring, staff is reported to the police when guaranteeing that temperature of cable junction surpasses early warning value, guarantee the early warning of cable splice, guarantee safe production.
The temperature sensor that the utilization of existing cable splice on-line monitoring system is arranged on cable splice obtains the Current Temperatures of cable splice, recycling single-chip microcomputer and GSM/GPRS module are sent to current temperature value in master system, realize the on-line monitoring to cable splice.
But, in existing scheme, by GSM/GPRS communication mode, carry out data transmission, conventionally can there is the slower problem of transfer rate, cause the on-line monitoring of cable splice ageing poor.Simultaneously, in existing scheme, conventionally utilize alternating current directly on-line monitoring system to be powered, when staff need to directly be contacted described on-line monitoring system being maintained in the hot line jobs such as line monitoring system, the electric shock security presence hidden danger to staff conventionally.
Summary of the invention
The object of this invention is to provide a kind of cable splice on-line monitoring system, in order to solve on-line monitoring system poor in timeliness in prior art, and the low technical matters of security.
The invention provides a kind of cable splice on-line monitoring system, comprising:
A plurality ofly be connected with each cable splice respectively, obtain the temperature-sensitive chip of described cable splice Current Temperatures signal;
Be connected with temperature-sensitive chip described in each respectively, gather the data acquisition unit of the Current Temperatures signal that temperature-sensitive chip gets described in each;
Be connected with power supply and described data acquisition unit respectively, the output voltage of described power supply is changed, output isolation voltage is the high voltage isolating transformer of described data acquisition unit power supply;
Host computer;
Be connected with described data acquisition unit with described host computer respectively, all Current Temperatures signals that described data acquisition unit is collected transfer to the CAN of the controller local area network bus communication controller of described host computer.
Said system, preferred, described data acquisition unit comprises:
Receive the signal receiver of the Current Temperatures signal that temperature-sensitive chip gets described in each;
Be connected with described signal receiver, described Current Temperatures signal transferred to the first signal transmitter of described host computer by described CAN bus communication controller.
Said system, preferred, described host computer comprises:
Warning horn;
Accordingly, described data acquisition unit also comprises:
Be connected with described signal receiver, signal value and the goal-selling temperature value of the Current Temperatures signal being received are compared, and generate the comparer of alerting signal when the signal value of described Current Temperatures signal is more than or equal to described target temperature value;
Be connected with described comparer, described alerting signal transferred to described warning horn by described CAN bus communication controller, the secondary signal transmitter of reporting to the police to trigger described warning horn.
Said system, preferred, described warning horn comprises:
Loudspeaker and/or illuminator.
Said system, preferred, described high voltage isolating transformer comprises:
The input winding being connected with described power supply;
The output winding being connected with described input winding and described data acquisition unit respectively.
Said system, preferred, described host computer is connected by fiber optic network with described CAN bus communication controller.
Said system, preferred, also comprise:
Be arranged on the signal wire between described data acquisition unit and described CAN bus communication controller the photoisolator that the signal transmitting between described data acquisition unit and described CAN bus communication controller is carried out to photoelectricity isolation.
Said system, preferred, described temperature-sensitive chip exterior is provided with High-Voltage Insulation shell.
Said system, preferred, also comprise:
Be arranged at respectively between described temperature-sensitive chip and described data acquisition unit, between described data acquisition unit and described CAN bus communication controller and the instantaneous high pressure on the signal wire between described CAN bus communication controller and described host computer absorbs and protection loop.
Said system, preferred, described host computer comprises:
The Current Temperatures signal receiving is carried out to the storer of signal data preservation.
From such scheme, a kind of cable splice on-line monitoring system provided by the invention, by being set, distributed temperature gathers structure, the Current Temperatures signals collecting of realization to each cable splice, and, narrow space high for electric pressure in power cable raceway groove, communication distance feature far away, adopting CAN bus communication controller that the temperature signal collecting is carried out to CAN bus mode transfers in host computer, improve the speed of signal transmission, improvement is ageing to the on-line monitoring of cable splice, can realize system flexible expansion, increase antijamming capability simultaneously; Meanwhile, in the present invention, by being set, high voltage isolating transformer realizes the safety isolation to power supply and data acquisition unit, the safety of safeguard work personnel in hot line job process.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the structural representation of a kind of cable splice on-line monitoring system embodiment mono-provided by the invention;
Fig. 2 is the part-structure schematic diagram of the embodiment of the present invention one;
Fig. 3 is the part-structure schematic diagram of a kind of cable splice on-line monitoring system embodiment bis-provided by the invention;
Fig. 4 is the structural representation of a kind of cable splice on-line monitoring system embodiment tri-provided by the invention;
Fig. 5 is the structural representation of the embodiment of the present invention three;
Fig. 6 is the part-structure schematic diagram of a kind of cable splice on-line monitoring system embodiment tetra-provided by the invention;
Fig. 7 is the structural representation of a kind of cable splice on-line monitoring system embodiment five provided by the invention;
Fig. 8 is another structural representation of the embodiment of the present invention five;
Fig. 9 is the structural representation of a kind of cable splice on-line monitoring system embodiment six provided by the invention;
Figure 10 is the part-structure schematic diagram of a kind of cable splice on-line monitoring system embodiment seven provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
With reference to figure 1, be the structural representation of a kind of cable splice on-line monitoring system embodiment mono-provided by the invention, wherein, described system, for realizing the Current Temperatures on-line monitoring to cable splice 1, can comprise that following structure realizes:
A plurality ofly be connected with each cable splice 1 respectively, obtain the temperature-sensitive chip 2 of described cable splice 1 Current Temperatures signal.
Wherein, in the present embodiment, the quantity of described temperature-sensitive chip 2 is consistent with the joint quantity of power cable.
It should be noted that, described temperature-sensitive chip 2 can be realized by unibus signal transmission structure, the intelligent digital temperature sensor of unibus for example, and described temperature-sensitive chip 2 is when cable splice 1 corresponding to it is connected, be to realize by contact connected mode, as shown in Figure 2, described temperature-sensitive chip 2 wraps up described cable splice 1, to realize contact, connect, reach the object of the Current Temperatures signal of cable splice 1 described in Obtaining Accurate.
Be connected with temperature-sensitive chip 2 described in each respectively, gather the data acquisition unit 3 of the Current Temperatures signal that temperature-sensitive chip 2 gets described in each.
Wherein, the accessed Current Temperatures signal of described temperature-sensitive chip 2 can transfer to described data acquisition unit 3 by cable signal line, the collection being realized the accessed Current Temperatures signal of temperature-sensitive chip 2 described in each by described data acquisition unit 3.
It should be noted that, a plurality of temperature-sensitive chips 2 that described data acquisition unit 3 is corresponding with it form distributed temperature and gather structure.
Be connected with power supply 4 and described data acquisition unit 3 respectively, the output voltage of described power supply 4 is changed, output isolation voltage is the high voltage isolating transformer 5 of described data acquisition unit 3 power supplies.
Wherein, described power supply is High Level AC Voltage, therefore, described high voltage isolating transformer 5 carries out safe isolation by described power supply 4 with described data acquisition unit 3, when making to guarantee the normal electricity consumption operation of described data acquisition unit 3, staff is to reducing the probability getting an electric shock, safeguard work personnel's safety work in the operating process such as maintenance of described data acquisition unit 3.
Host computer 6.
Wherein, described host computer 6 can be for comprising that the device systems such as computing machine, server of multiple fittings equipment realize.
Be connected with described data acquisition unit 3 with described host computer 6 respectively, all Current Temperatures signals that described data acquisition unit 3 is collected transfer to the CAN bus communication controller 7 of described host computer 6.
Wherein, described CAN bus communication controller 7 can be understood as CAN bus network master station, between described data acquisition unit 3 and described CAN bus communication controller 7, by CAN_BUS order wire, be connected, all Current Temperatures signal children that collected by described data acquisition unit 3 this CAN_BUS order wire of founding a state transfers in described CAN bus communication controller 7.Afterwards, all Current Temperatures signals that described CAN bus communication controller 7 collects described data acquisition unit 3 are packed according to unified CAN bus communication form, mode by telecommunication is uploaded in described host computer 6, meanwhile, the Current Temperatures signal that described CAN bus communication controller 7 can also be received by its inner display arranging shows.
It should be noted that, the control command that described CAN bus communication controller 7 can also be assigned described host computer 6 is divided and is delivered in corresponding data collector.
In addition, the Current Temperatures signal that described host computer 6 can be received by display carries out real time data demonstration.
It should be noted that the time synchronized between all parts of the on-line monitoring system of cable splice described in the present embodiment.
From such scheme, a kind of cable splice on-line monitoring system embodiment mono-provided by the invention, by being set, distributed temperature gathers structure, the Current Temperatures signals collecting of realization to each cable splice, and it is high for electric pressure in power cable raceway groove, narrow space, the feature that communication distance is far away, adopting CAN bus communication controller that the temperature signal collecting is carried out to CAN bus mode transfers in host computer, improve the speed of signal transmission, improvement is ageing to the on-line monitoring of cable splice, can realize system flexible expansion simultaneously, increase antijamming capability, meanwhile, in the present embodiment, by being set, high voltage isolating transformer realizes the safety isolation to power supply and data acquisition unit, the safety of safeguard work personnel in hot line job process.
Based on above-mentioned implementation structure, the outer setting of described temperature-sensitive chip 2 has High-Voltage Insulation shell, make described temperature-sensitive chip 2 form High-Voltage Insulation encapsulating structure, concrete, described temperature-sensitive chip 2 can adopt STSD-6 high accuracy data temperature sensor to realize, have hermetically sealed, bonding, high pressure absorbs the features such as isolation, guarantee cable mid head, terminals, the real-time of the position temperature data acquisitions such as body, reliability and accuracy, simultaneously, signal wire is effectively prevented to scurrying into of high pressure, thus, even in the situation of cable short circuit, also the damaging range of accident can be controlled to far-end, assurance system and staff preserve from safely.
Be below the performance parameter of described STSD-6 high accuracy data temperature sensor:
Resolution: 0.5 degree Celsius;
The data-switching time: 0.7 second;
Temperature-measuring range :-50 degrees Celsius～+ 120 degrees Celsius;
Condition of work: normally work under water soaking condition.
With reference to figure 3, be the structural representation of data acquisition unit 3 described in a kind of cable splice on-line monitoring system embodiment bis-provided by the invention, wherein, described data acquisition unit 3 can comprise that following structure realizes:
Receive the signal receiver 8 of the Current Temperatures signal that temperature-sensitive chip 2 gets described in each.
Wherein, described signal receiver 8 can be realized respectively the reception to the accessed Current Temperatures signal of temperature-sensitive chip 2 described in each by a plurality of signal receiving chips.
Be connected with described signal receiver 8, described Current Temperatures signal transferred to the first signal transmitter 9 of described host computer 6 by described CAN bus communication controller 7.
Wherein, between described first signal transmitter 9 and described CAN bus communication controller 7, by CAN_BUS bus communication mode, carry out signal transmission.
With reference to figure 4, be the structural representation of a kind of cable splice on-line monitoring system embodiment tri-provided by the invention, wherein, described host computer 6 can include:
Warning horn 10.
Wherein, described warning horn 10 can be acoustooptic alarm, as loudspeaker and/or illuminator etc.Described illuminator can be light emitting diode etc.
Accordingly, as shown in Figure 5, described data acquisition unit 3 can also comprise following structure:
Be connected with described signal receiver 8, signal value and the goal-selling temperature value of the Current Temperatures signal being received are compared, and generate the comparer 11 of alerting signal when the signal value of described Current Temperatures signal is more than or equal to described target temperature value.
Wherein, described comparer 11 is connected with described signal receiver 8, to reach the object of obtaining all Current Temperatures signals that described signal receiver receives.
It should be noted that, described comparer 11 can be successively carries out and the comparing of described target temperature value Current Temperatures signal described in each, also can to Current Temperatures signal described in each, carry out and the comparing of described target temperature value by a plurality of logic gates simultaneously.
Be connected with described comparer 11, described alerting signal transferred to described warning horn 10 by described CAN bus communication controller 7, the secondary signal transmitter 12 of reporting to the police to trigger described warning horn 10.
Wherein, described warning horn 10 can be realized by a plurality of audible-visual annunciators, staff is carried out to warning reminding when respectively the Current Temperatures signal of cable splice described in each being exceeded standard.
It should be noted that, described secondary signal transmitter 12 can be same signal transmission device with described first signal transmitter 9, Current Temperatures signal and alerting signal described in each is carried out transferring to by described CAN bus communication controller 7 operation of described host computer 6 simultaneously.
In addition, described data acquisition unit 3, in concrete application, can adopt full-closed structure, and critical component is carried out to sealant pouring and sealing processing, reaches the erosion that is not subject to supermarket and corrosive gas, further guarantees the reliability of described cable splice on-line monitoring system.
In specific implementation, with reference to figure 6, be the structural representation of high voltage isolating transformer 5 described in a kind of cable splice on-line monitoring system embodiment tetra-provided by the invention, wherein, described high voltage isolating transformer 5 can comprise following structure:
The input winding 13 being connected with described power supply 4.
Wherein, described input winding 13 is connected with described power supply 4, so that the voltage of described power supply 4 inputs is carried out to elementary conversion, obtains medium voltage.
The output winding 14 being connected with described input winding 13 and described data acquisition unit 3 respectively.
Wherein, described output winding 14 is connected with described input winding 13 and described data acquisition unit 3 respectively, so that the medium voltage of described input winding 13 outputs is carried out to secondary transformation, obtain isolation voltage and export to described data acquisition unit 3, the object that described data acquisition unit 3 is powered.
It should be noted that, described high voltage isolating transformer 5 is earth-free, in the time of can not carrying out hot line job to staff, produce high-intensity currrent, to realize, the high pressure that effectively prevents of power supply is scurried into, thus, even in the situation of cable short circuit, also the damaging range of accident can be controlled to far-end, assurance system and staff preserve from safely.
In above-mentioned each system embodiment, with reference to figure 7, be the structural representation of a kind of cable splice on-line monitoring system embodiment five provided by the invention, wherein, between described host computer 6 and described CAN bus communication controller 7, by fiber optic network, be connected, as shown in Figure 7.
Thus, described CAN bus communication controller 7, when the signal being received transmits, can not be subject to distance affects, accelerates effectiveness, improves the ageing of signal that host computer receives.
Based on above-described embodiment, with reference to figure 8, be another structural representation of the embodiment of the present invention five, wherein, described system can also include:
Be arranged on the signal wire between described data acquisition unit 3 and described CAN bus communication controller 7 photoisolator 15 that the signal of transmission between described data acquisition unit 3 and described CAN bus communication controller 7 is carried out to photoelectricity isolation.
Wherein, described photoisolator 15 is arranged on the connecting line between described data acquisition unit 3 and described CAN bus communication controller 7, to realize the high pressure photoelectricity isolation to data bus, signal wire is effectively prevented to scurrying into of high pressure, thus, even in the situation of cable short circuit, also the damaging range of accident can be controlled to far-end, assurance system and staff preserve from safely.
With reference to figure 9, be the structural representation of a kind of cable splice on-line monitoring system embodiment six provided by the invention, wherein, described system can also include:
Be arranged at respectively between described temperature-sensitive chip 2 and described data acquisition unit 3, between described data acquisition unit 3 and described CAN bus communication controller 7 and the instantaneous high pressure on the signal wire between described CAN bus communication controller 7 and described host computer 6 absorbs and protection loop 16.
Wherein, described instantaneous high pressure absorbs and protection loop 16 is arranged at respectively on the signal wire between described temperature-sensitive chip 2 and described data acquisition unit 3, on the signal wire between described data acquisition unit 3 and described CAN bus communication controller 7 and on the signal wire between described CAN bus communication controller 7 and described host computer 6; in order to signal wire is effectively prevented to scurrying into of high pressure; thus; even in the situation of cable short circuit; also the damaging range of accident can be controlled to far-end, assurance system and staff preserve from safely.
In above-mentioned each embodiment, with reference to Figure 10, the structural representation for host computer 6 described in a kind of cable splice on-line monitoring system embodiment seven provided by the invention, wherein, can include following structure in described host computer 6:
The Current Temperatures signal receiving is carried out to the storer 17 of signal data preservation.
Wherein, described storer 17 can be realized for the equipment that hard disk, disk etc. have a data storage capacities, usings and reaches the object that the signal that received is preserved as historical data, to realize the access of follow-up work personnel to historical data.
Above a kind of cable splice on-line monitoring system provided by the present invention is described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand core concept of the present invention.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a cable splice on-line monitoring system, is characterized in that, comprising:
A plurality ofly be connected with each cable splice respectively, obtain the temperature-sensitive chip of described cable splice Current Temperatures signal;
Be connected with temperature-sensitive chip described in each respectively, gather the data acquisition unit of the Current Temperatures signal that temperature-sensitive chip gets described in each;
Be connected with power supply and described data acquisition unit respectively, the output voltage of described power supply is changed, output isolation voltage is the high voltage isolating transformer of described data acquisition unit power supply;
Host computer;
Be connected with described data acquisition unit with described host computer respectively, all Current Temperatures signals that described data acquisition unit is collected transfer to the CAN of the controller local area network bus communication controller of described host computer.
2. system according to claim 1, is characterized in that, described data acquisition unit comprises:
Receive the signal receiver of the Current Temperatures signal that temperature-sensitive chip gets described in each;
Be connected with described signal receiver, described Current Temperatures signal transferred to the first signal transmitter of described host computer by described CAN bus communication controller.
3. system according to claim 2, is characterized in that, described host computer comprises:
Warning horn;
Accordingly, described data acquisition unit also comprises:
Be connected with described signal receiver, signal value and the goal-selling temperature value of the Current Temperatures signal being received are compared, and generate the comparer of alerting signal when the signal value of described Current Temperatures signal is more than or equal to described target temperature value;
Be connected with described comparer, described alerting signal transferred to described warning horn by described CAN bus communication controller, the secondary signal transmitter of reporting to the police to trigger described warning horn.
4. system according to claim 3, is characterized in that, described warning horn comprises:
Loudspeaker and/or illuminator.
5. according to the system described in claim 1,2,3 or 4, it is characterized in that, described high voltage isolating transformer comprises:
The input winding being connected with described power supply;
The output winding being connected with described input winding and described data acquisition unit respectively.
6. system according to claim 1, is characterized in that, described host computer is connected by fiber optic network with described CAN bus communication controller.
7. according to the system described in claim 1 or 6, it is characterized in that, also comprise:
Be arranged on the signal wire between described data acquisition unit and described CAN bus communication controller the photoisolator that the signal transmitting between described data acquisition unit and described CAN bus communication controller is carried out to photoelectricity isolation.
8. system according to claim 1, is characterized in that, described temperature-sensitive chip exterior is provided with High-Voltage Insulation shell.
9. system according to claim 1, is characterized in that, also comprises:
Be arranged at respectively between described temperature-sensitive chip and described data acquisition unit, between described data acquisition unit and described CAN bus communication controller and the instantaneous high pressure on the signal wire between described CAN bus communication controller and described host computer absorbs and protection loop.
10. system according to claim 1, is characterized in that, described host computer comprises:
The Current Temperatures signal receiving is carried out to the storer of signal data preservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392205.9A CN104142182A (en) | 2014-08-11 | 2014-08-11 | Cable connector on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392205.9A CN104142182A (en) | 2014-08-11 | 2014-08-11 | Cable connector on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104142182A true CN104142182A (en) | 2014-11-12 |
Family
ID=51851427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410392205.9A Pending CN104142182A (en) | 2014-08-11 | 2014-08-11 | Cable connector on-line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104142182A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635804A (en) * | 2014-12-17 | 2015-05-20 | 广西电网公司电力科学研究院 | Circuit breaker high-voltage lead temperature alarming device and method |
| CN105157860A (en) * | 2015-08-04 | 2015-12-16 | 吴天钢 | Mini-size wireless temperature measuring system for cable |
| CN105353678A (en) * | 2015-11-17 | 2016-02-24 | 珠海格力电器股份有限公司 | CAN bus communication isolation circuit and method |
| CN106291223A (en) * | 2016-08-11 | 2017-01-04 | 国网新疆电力公司信息通信公司 | A kind of communication cable security maintenance service system |
| CN109668641A (en) * | 2019-01-28 | 2019-04-23 | 江苏澳能电力电缆附件有限公司 | Transformer temperature intelligent monitoring and controlling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04208877A (en) * | 1990-11-30 | 1992-07-30 | Mitsubishi Cable Ind Ltd | Monitoring conductor temperature of joint of laid power cable |
| CN2653467Y (en) * | 2003-10-18 | 2004-11-03 | 淄博中瑞电气有限公司 | Cable temperature on-line monitor |
| CN101231311A (en) * | 2008-02-26 | 2008-07-30 | 徐伟专 | Wide band high pressure intelligent resistance type current sensor |
| CN203561702U (en) * | 2013-10-24 | 2014-04-23 | 国家电网公司 | A power cable joint fault online monitoring and early warning system |
| CN204043800U (en) * | 2014-08-11 | 2014-12-24 | 国家电网公司 | A kind of cable splice on-line monitoring system |
-
2014
- 2014-08-11 CN CN201410392205.9A patent/CN104142182A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04208877A (en) * | 1990-11-30 | 1992-07-30 | Mitsubishi Cable Ind Ltd | Monitoring conductor temperature of joint of laid power cable |
| CN2653467Y (en) * | 2003-10-18 | 2004-11-03 | 淄博中瑞电气有限公司 | Cable temperature on-line monitor |
| CN101231311A (en) * | 2008-02-26 | 2008-07-30 | 徐伟专 | Wide band high pressure intelligent resistance type current sensor |
| CN203561702U (en) * | 2013-10-24 | 2014-04-23 | 国家电网公司 | A power cable joint fault online monitoring and early warning system |
| CN204043800U (en) * | 2014-08-11 | 2014-12-24 | 国家电网公司 | A kind of cable splice on-line monitoring system |
Non-Patent Citations (2)
| Title |
|---|
| 杨东等: "《触/漏电保护器》", 31 January 2008, 化学工业出版社 * |
| 王立军等: "城区电缆接头故障在线监测与预警系统", 《中国电业•技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635804A (en) * | 2014-12-17 | 2015-05-20 | 广西电网公司电力科学研究院 | Circuit breaker high-voltage lead temperature alarming device and method |
| CN105157860A (en) * | 2015-08-04 | 2015-12-16 | 吴天钢 | Mini-size wireless temperature measuring system for cable |
| CN105353678A (en) * | 2015-11-17 | 2016-02-24 | 珠海格力电器股份有限公司 | CAN bus communication isolation circuit and method |
| CN105353678B (en) * | 2015-11-17 | 2017-12-26 | 珠海格力电器股份有限公司 | CAN bus communication isolation circuit and method |
| CN106291223A (en) * | 2016-08-11 | 2017-01-04 | 国网新疆电力公司信息通信公司 | A kind of communication cable security maintenance service system |
| CN109668641A (en) * | 2019-01-28 | 2019-04-23 | 江苏澳能电力电缆附件有限公司 | Transformer temperature intelligent monitoring and controlling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104142182A (en) | Cable connector on-line monitoring system | |
| CN203688725U (en) | On-line power cable insulating monitoring device | |
| CN102411119A (en) | Intelligent monitoring device for temperature and insulation state of 330KV high-voltage cable in hydropower station | |
| CN203745860U (en) | Ring main unit cable joint temperature monitoring system | |
| CN203465023U (en) | Power cable insulation fault on-line monitoring system based on single-chip microcomputer | |
| CN105444903A (en) | Electric power device wireless temperature measurement system | |
| CN203561702U (en) | A power cable joint fault online monitoring and early warning system | |
| CN201096542Y (en) | Optical fibre type temperature on-line monitoring system | |
| CN105785925A (en) | Remote monitoring system for offshore wind turbine generator | |
| CN204043800U (en) | A kind of cable splice on-line monitoring system | |
| CN204331438U (en) | A kind of offshore wind farm set remote monitoring system | |
| CN104730428A (en) | Alternating current and direct current online insulating monitoring device and system | |
| CN204881916U (en) | Cable head temperature real -time supervision and early warning system | |
| CN204027731U (en) | A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint | |
| CN203858042U (en) | Wireless temperature measurement system of high-voltage switch cabinet | |
| CN206601450U (en) | A kind of end explosive-proof protector concentrator | |
| CN104280154A (en) | High voltage electricity wireless temperature measurement system | |
| CN204989299U (en) | Overvoltage monitor | |
| CN207847697U (en) | A kind of coal mine communication system | |
| CN204231025U (en) | A kind of unattended operation transformer station high-voltage board protecting, monitoring system | |
| CN208922458U (en) | Farm's alarm system | |
| CN202634075U (en) | Distribution transformer district equipment abnormal running remote alarm intelligent management center | |
| CN105006123A (en) | Mobile network-based data acquiring and monitoring system | |
| CN105573187A (en) | Marine valve intelligent monitoring system | |
| CN205593667U (en) | System for carry out temperature measurement to cable termination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141112 |