CN202840686U - Converter station earth electrode equipment monitoring system - Google Patents
Converter station earth electrode equipment monitoring system Download PDFInfo
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- CN202840686U CN202840686U CN201220459617.6U CN201220459617U CN202840686U CN 202840686 U CN202840686 U CN 202840686U CN 201220459617 U CN201220459617 U CN 201220459617U CN 202840686 U CN202840686 U CN 202840686U
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Abstract
The utility model relates to a complete set of monitoring technologies for converter station earth electrode equipment in direct current power transmission projects, and provides a converter station earth electrode equipment monitoring system, employing the complete set of monitoring technologies to solve the power supply, long-range communication, and moisture protection and removal problems of monitoring equipment. The system comprises earth electrode equipment, a monitoring equipment box, and a converter station monitoring system. A camera is arranged at a position close to the earth electrode equipment. An on-off probe is electrically connected with the earth electrode equipment. The monitoring equipment box is formed by assembling a complete set of a monitoring host, a mobile communication unit, a storage battery, power generating equipment, and a charging and discharging controller used for electric energy management into a box. The monitoring method is that the converter station monitoring system monitors the state of the earth electrode equipment through logic comparison of a cut-off video signal acquired by the camera with a cut-off position signal acquired by the on-off probe. The converter station earth electrode equipment monitoring system is convenient to mount and maintain; and after the system starts to operate, the equipment can be monitored timely, accurately, and reliably, and a large amount of equipment investment is saved.
Description
Technical field
The utility model relates to the complete monitoring technology of current conversion station earth electrode equipment in the DC transmission engineering.
Background technology
The DC transmission engineering operational mode is complicated, and wherein the earth electrode equipment of current conversion station plays decisive action to the safe operation of DC transmission engineering.The earth electrode place is away from current conversion station, and unattended operation, relevant monitoring means is also arranged at present, the affirmation of earth electrode place equipment state all needed manually to finish at every turn, yet rely on now manual confirmation can't satisfy current conversion station in time, accurately, reliable service requirement, and because One Common Earthing Electrode place equipment is simple, the installation site is remote, so that the scene can't provide reliable external power supply.
Be used at present the video monitoring system of transformer station as shown in Figure 1, its working power adopts reliable station power source system in the transformer station, its configuration video camera will be delivered to the network switch on the relevant information with the switching value probe, be sent to station end monitor workstation by the network switch again, wherein the transmission of information is all by optical fiber or netting twine medium.This shows, the transmission that this supervisory control system depends on station power source system perfect in the transformer station, monitoring information depends on independently ties up the short-range communication medium of establishing; When this supervisory control system is applied to monitoring grounding utmost point equipment, can't solves the power supply supply and tie up and establish the expensive problem of cost, the monitoring equipment installation and maintenance difficulty that the telecommunication medium brings.
The utility model content
The utility model provides a kind of current conversion station earth electrode equipment monitoring system, and damp problem is driven in power supply supply, telecommunication and the protection against the tide of adopting complete monitoring technology to solve monitoring equipment.
For achieving the above object, the utility model is taked following technical scheme:
Current conversion station earth electrode equipment monitoring system, comprise earth electrode equipment, monitoring equipment case and current conversion station supervisory control system, the place is provided with camera near earth electrode equipment, be connected with switching value probe in the earth electrode device power, described monitoring equipment case is formed by monitoring main frame, mobile communication unit, storage battery, generating equipment and the complete box-type assembled of charging-discharging controller that is used for electric energy management; Storage battery, generating equipment are electrically connected with charging-discharging controller respectively, and camera, switching value probe, monitoring main frame are connected with storage battery respectively; Camera, switching value probe respectively with the host machine wired communication connection of monitoring, the monitoring main frame is connected with the wire communication of mobile communication unit, the mobile communication unit is connected by radio communication with the current conversion station supervisory control system.
The monitoring method of above-mentioned earth electrode equipment monitoring system is as follows: by the vision signal of cut-offfing of camera collection earth electrode equipment, the switching value probe gathers the position signalling that cut-offs of earth electrode equipment, this vision signal and cut-off position signalling and be transmitted through the fiber to the monitoring main frame, the monitoring main frame is sent to the current conversion station supervisory control system by mobile communication unit by using wireless public communication network with two signals, the cut-off vision signal of current conversion station supervisory control system by obtaining, cut-off position signalling, again by cut-offfing vision signal and cut-offfing position signalling and carry out logic relatively, consistent such as the state position, so to current conversion station supervisory control system transmitting apparatus state position signal, as inconsistent, then send alarm signal, this logic satisfies power industry monitoring of equipment is judged requirement.
Technique scheme adopts complete set technology, effectively be integrated in one by one monitoring equipment in the control cabinet, provide electric energy by generating equipment, charging-discharging controller management electric energy, the output electric energy is to provide working power behind the accumulator cell charging and discharging, solved well the power supply supply problem, wireless monitoring method by wireless public communication network also efficiently solves the telecommunication problem simultaneously, reduced use cost, pass through camera, the video of switching value probe, position signalling transmission and current conversion station supervisory control system are to video, the comparison decision logic of position signalling has been realized the video monitor to earth electrode equipment, equipment cut-offs the signal monitoring function of position.
Because in the protection against the tide that lacks control cabinet under the outdoor environment of power supply, drive damp problem and perplex for a long time power department, therefore technique scheme can also be done following improvement: the monitoring equipment case is divided into three districts, upper, middle and lower, inferior segment is provided with storage battery, middle district is provided with charging-discharging controller, upper district is provided with monitoring main frame and mobile communication unit, is provided with the remaining electric heater that is connected with storage battery in Shang Qu He Zhong district.Be provided with waste heat gas exchange mouth between adjacent two districts, the monitoring equipment box top is provided with the moisture outlet, pass through waste heat gas exchange mouthful connection between upper district and the moisture outlet, carry out heat exchange by waste heat gas exchange mouth, heat utilization ratio is higher, production cost is lower.As the another kind of heat exchange method between three districts, also can between three districts, be provided with storage battery waste heat pipeline, an end of storage battery waste heat pipeline is communicated with inferior segment, and the other end stretches out outside the casing, and storage battery waste heat pipeline is communicated with Shang Qu He Zhong district respectively.Remaining electric heater is controlled power supply by charging-discharging controller, to remaining electric heater power supply, Shang Qu He Zhong district equipment is dehumidified when the electric power surplus; Utilize the storage battery waste heat to drive replenishing of tide as the heating of control box equipment, take full advantage of the waste heat of storage battery as distributed heating moisture separating device, both energy savings, again conserve space, simultaneously also so that above-mentioned box-type complete assembling mode both had been convenient to equipment safety operation, again saves energy.
Above-mentioned generating equipment comprises solar panel and wind-driven generator, and solar panel is installed on around the monitoring equipment case, and wind-driven generator is installed on the monitoring equipment case.Adopt wind-solar hybrid generating equipment can effectively solve the long-time powerup issue of equipment, do not need to obtain external power supply by newly tiing up the power cable of establishing, provide cost savings.
The utility model adopts complete monitoring technology, can satisfy the requirement of power industry standard, and the box design of earth electrode equipment is installation and maintenance conveniently, can timely, accurate, reliably monitoring equipment, and saving great deal of investment after system moves.Utilize simultaneously the integral body of storage battery waste heat to consist of scheme, both solved control cabinet under the outdoor environment that lacks power supply protection against the tide, drive damp problem, provide convenience again energy savings, saving installing space for installation and maintenance.In addition, the current conversion station supervisory control system can configure the current conversion station end work station of One's name is legion, by the comparison decision logic to video, position signalling, can accurately reflect the earth polar equipment state, and can satisfy operation, management is multidisciplinaryly checked simultaneously.
Description of drawings
Fig. 1 is video monitoring system for substation;
Fig. 2 is the utility model One Common Earthing Electrode isolation knife monitoring system figure;
Fig. 3 is the generating equipment structural representation of monitoring equipment case among Fig. 2;
Fig. 4 is embodiment 1 monitoring equipment case dehumidification structure schematic diagram;
Fig. 5 is embodiment 2 monitoring equipment case dehumidification structure schematic diagrames.
Reference numeral: 1-monitoring equipment case; The 11-inferior segment; Distinguish among the 12-; The upper district of 13-; The 2-solar panel; The 3-wind-driven generator; The remaining electric heater of 4-; 5-waste heat gas exchange mouth; 6-moisture outlet; 7-storage battery waste heat pipeline.
Embodiment
Below in conjunction with drawings and Examples the utility model content is described further.
As shown in Figure 2, the present embodiment is the installation infrared intelligent video camera head near earth electrode equipment, and switching value probe is electrically connected with earth electrode equipment, the monitoring equipment case is by the monitoring main frame, the mobile communication unit, storage battery, the complete box-type assembled of charging-discharging controller that adopts the generating equipment of wind-driven generator and solar panel generating and be used for electric energy management forms, as shown in Figure 3, double as the photovoltaic bracket of solar panel 2 and the antenna of mobile communication unit around the cabinet shell of monitoring equipment case 1, the wind-driven generator 3 of the little blower fan of vertical axis is installed on the top of casing, and the size of blower sizes and casing is coordinated.As shown in Figure 2, storage battery, generating equipment are electrically connected with charging-discharging controller respectively, and camera, switching value probe, monitoring main frame are connected with storage battery respectively; Infrared intelligent camera, switching value probe are connected by optical fiber with the monitoring main frame respectively, the monitoring main frame is connected by the 10/100M Shielded Twisted Pair with the mobile communication unit, the mobile communication unit is connected with the server of current conversion station supervisory control system by wireless public communication network access Internet, is connected with several Converter Station end work stations respectively by the 10/100M Shielded Twisted Pair by server again.Charging-discharging controller carries out electric energy management to storage battery, generating equipment, load equipment, remaining electric heater, and load equipment comprises infrared intelligent camera, switching value probe, adopts the monitoring main frame of signal compression coding.The load equipment total power consumption of the present embodiment configuration is about 10W, the solar panel of configuration is chosen 500W, wind-driven generator is chosen 600W, storage battery is chosen DC24V, 500Ah, through calculating calm without solar energy extreme weather situation under, can continuously operation in normal 20 days 24 hours, satisfy the requirement of GB/T 25095-2010 " Condition of Overhead Transmission Lines Based monitoring system ".
As shown in Figure 4, be divided into three districts, upper, middle and lower in the monitoring equipment case 1, inferior segment 11 is the storage battery district, is provided with storage battery; Middle district 12 is power supply control and management district, is provided with charging-discharging controller; Upper district 13 is electrical installation zone, is provided with monitoring main frame and mobile communication unit.Between 13 He Zhong districts 12, upper district, be provided with the remaining electric heater 4 that is connected with storage battery between middle district 12 and the inferior segment 11, be provided with waste heat gas exchange mouth 5 between two adjacent districts, the top of monitoring equipment case 1 is provided with moisture outlet 61, be communicated with by remaining electric heater 4 between upper district 13 and the moisture outlet 61, power supply control and management district, electrical installation zone adopts remaining electric heater 4 and the dehumidifying of storage battery waste heat: remaining electric heater 4 is controlled power supply by charging-discharging controller, next to district's 13 He Zhong districts, 12 equipment dehumidifying to remaining electric heater power supply when the electric power surplus, moisture is discharged outside the casings through waste heat gas exchange mouthful 5 inflow moisture outlets 61; The storage battery waste heat enters 13 He Zhong districts 12, upper district through waste heat gas exchange mouth 5 and heats, moisture is discharged outside the casings through waste heat gas exchange mouthful 5 inflow moisture outlets 61, the storage battery waste heat drives replenishing of tide as equipment heating in the casing, take full advantage of the waste heat of storage battery as distributed heating moisture separating device, saved electric energy.
As shown in Figure 2, monitoring method of the present utility model is as follows: by the vision signal of cut-offfing of infrared intelligent camera collection earth electrode equipment, the switching value probe gathers the position signalling that cut-offs of earth electrode equipment, this vision signal and cut-off position signalling and be transmitted through the fiber to the monitoring main frame, the monitoring main frame is sent to two signals by wireless public communication network access Internet the server of current conversion station supervisory control system by the mobile communication unit, be sent to each Converter Station end work station by server, Converter Station end work station is by the video of the One Common Earthing Electrode isolation knife obtained, position signalling, again by cut-offfing vision signal and cut-offfing position signalling and carry out logic relatively, consistent such as the state position, send earth electrode equipment state position signal to Converter Station end work station so, as inconsistent, then send alarm signal.
Embodiment 2
As shown in Figure 5, the difference of the present embodiment and embodiment 1 is: be provided with storage battery waste heat pipeline 7 between three districts of monitoring equipment case 1, one end of storage battery waste heat pipeline 7 is communicated with inferior segment 11, the other end stretches out outside the casing, storage battery waste heat pipeline 7 is communicated with 13 He Zhong districts 12, upper district respectively, remaining electric heater 4 and storage battery waste heat are to the dehumidifying of upper district 13 He Zhong districts, 12 equipment, and moisture is discharged outside the casing through storage battery waste heat pipeline 7.
Obviously; above-mentioned embodiment of the present utility model only is for the utility model example clearly is described; and be not to be restriction to the utility model execution mode; to those skilled in the art; can also easily make on the basis of the above description other pro forma variation or alternative, and these changes or alternative also will being included within the definite protection range of the utility model.
Claims (4)
1. current conversion station earth electrode equipment monitoring system, comprise earth electrode equipment, it is characterized in that: also comprise monitoring equipment case and current conversion station supervisory control system, the place is provided with camera near earth electrode equipment, be connected with switching value probe in the earth electrode device power, described monitoring equipment case is formed by monitoring main frame, mobile communication unit, storage battery, generating equipment and the complete box-type assembled of charging-discharging controller that is used for electric energy management; Storage battery, generating equipment are electrically connected with charging-discharging controller respectively, and camera, switching value probe, monitoring main frame are connected with storage battery respectively; Camera, switching value probe respectively with the host machine wired communication connection of monitoring, the monitoring main frame is connected with the wire communication of mobile communication unit, the mobile communication unit is connected by radio communication with the current conversion station supervisory control system.
2. current conversion station earth electrode equipment monitoring system as claimed in claim 1, it is characterized in that: described monitoring equipment case is divided into three districts, upper, middle and lower, inferior segment is provided with storage battery, middle district is provided with charging-discharging controller, upper district is provided with monitoring main frame and mobile communication unit, be provided with the remaining electric heater that is connected with storage battery in Shang Qu He Zhong district, be provided with waste heat gas exchange mouth between adjacent two districts, the monitoring equipment box top is provided with the moisture outlet, is communicated with by waste heat gas exchange mouth between upper district and the moisture outlet.
3. current conversion station earth electrode equipment monitoring system as claimed in claim 1, it is characterized in that: described monitoring equipment case is divided into three districts, upper, middle and lower, inferior segment is provided with storage battery, middle district is provided with charging-discharging controller, upper district is provided with monitoring main frame and mobile communication unit, is provided with the remaining electric heater that is connected with storage battery in Shang Qu He Zhong district; Be provided with storage battery waste heat pipeline between three districts, an end of storage battery waste heat pipeline is communicated with inferior segment, and the other end stretches out outside the casing, and storage battery waste heat pipeline is communicated with Shang Qu He Zhong district respectively.
4. current conversion station earth electrode equipment monitoring system as claimed in claim 1, it is characterized in that: described generating equipment comprises solar panel and wind-driven generator, described solar panel is installed on around the monitoring equipment case, and described wind-driven generator is installed on the monitoring equipment case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220459617.6U CN202840686U (en) | 2012-09-10 | 2012-09-10 | Converter station earth electrode equipment monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220459617.6U CN202840686U (en) | 2012-09-10 | 2012-09-10 | Converter station earth electrode equipment monitoring system |
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| Publication Number | Publication Date |
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| CN202840686U true CN202840686U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220459617.6U Expired - Lifetime CN202840686U (en) | 2012-09-10 | 2012-09-10 | Converter station earth electrode equipment monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402083A (en) * | 2013-08-19 | 2013-11-20 | 中国能源建设集团广东省电力设计研究院 | Video monitoring method and video monitoring system of direct-current power transmission system |
| CN115762099A (en) * | 2022-11-18 | 2023-03-07 | 中国南方电网有限责任公司超高压输电公司昆明局 | Prompting method for pole state conversion |
-
2012
- 2012-09-10 CN CN201220459617.6U patent/CN202840686U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402083A (en) * | 2013-08-19 | 2013-11-20 | 中国能源建设集团广东省电力设计研究院 | Video monitoring method and video monitoring system of direct-current power transmission system |
| CN115762099A (en) * | 2022-11-18 | 2023-03-07 | 中国南方电网有限责任公司超高压输电公司昆明局 | Prompting method for pole state conversion |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |