CN110703658A - Virtual power plant remote monitoring system - Google Patents
Virtual power plant remote monitoring system Download PDFInfo
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- CN110703658A CN110703658A CN201911028969.9A CN201911028969A CN110703658A CN 110703658 A CN110703658 A CN 110703658A CN 201911028969 A CN201911028969 A CN 201911028969A CN 110703658 A CN110703658 A CN 110703658A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 210000000056 organ Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21137—Analog to digital conversion, ADC, DAC
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a remote monitoring system of a virtual power plant, which comprises a transmission line, wherein the transmission line is electrically connected with a plurality of feedback systems, the feedback systems are electrically connected with the same background display monitor, and the output end of the background display monitor is electrically connected with the transmission line through a control system; the feedback system comprises a prevention system, a current acquisition system and a voltage acquisition system which are sequentially electrically connected with the transmission line. When the invention is used, the automatic power-off effect of the large current on the transmission line is realized through the large current control device, thus ensuring the safety of the equipment after the fault and avoiding the damage of the equipment after the fault; when realizing the outage, can touch the touch switch to give the backstage display monitor back through third DA converter, the spot of judging the trouble fast can be found the trouble region, the maintenance of being convenient for fast at the scene through the bee calling organ.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a virtual power plant remote monitoring system.
Background
At present, need realize the real time monitoring and the control to the transmission line through remote monitering system at the power plant, however, some equipment of power plant often appear the phenomenon of short circuit when using, the interference of rainwater and dust for example, then the problem of equipment in case the short circuit appears will lead to the electric current grow in the transmission line, and then the electric current of grow will cause the damage to the equipment on the transmission line, and the region that breaks down appears on the difficult judgement transmission line of simultaneous detection personnel, brings inconvenience for people's maintenance like this.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a virtual power plant remote monitoring system, which can realize remote monitoring, quickly find out a fault area and facilitate maintenance and control of virtual power plant equipment.
In order to solve the technical problem, the invention provides a virtual power plant remote monitoring system, which comprises a transmission line, wherein the transmission line is electrically connected with a plurality of feedback systems, the feedback systems are electrically connected with the same background display monitor, and the output end of the background display monitor is electrically connected with the transmission line through a control system; the feedback system comprises a prevention system, a current acquisition system and a voltage acquisition system which are sequentially electrically connected with the transmission line.
Preferably, the current collection system comprises a current collector electrically connected with the transmission line, an output end of the current collector is electrically connected with a first AD converter, an output end of the first AD converter is electrically connected with a first DA converter, and an output end of the first DA converter is electrically connected with the background display monitor.
Preferably, the voltage acquisition system comprises a voltage collector electrically connected with the transmission line, an output end of the voltage collector is electrically connected with a second AD converter, an output end of the second AD converter is electrically connected with a second DA converter, and an output end of the second DA converter is electrically connected with the background display monitor.
Preferably, the prevention system comprises a large current control device electrically connected with the transmission line, the output end of the large current control device is electrically connected with an alarm device, the output end of the alarm device is electrically connected with a third DA converter and a circuit state display device, and the output end of the third DA converter is electrically connected with the background display monitor.
Preferably, the high-current control device comprises a control box, the inner top and the inner bottom of the control box are fixedly connected with magnet plates, one side of each of the two magnet plates opposite to each other is opposite in magnetism, the front inner side wall and the rear inner side wall of the control box are fixedly connected with two slide bars, the outer side walls of the two slide bars are slidably connected with the same U-shaped insulating mounting block, the outer side wall of each slide bar is sleeved with a first spring, two ends of each first spring are fixedly connected with the inner side wall of the control box and the outer side wall of the corresponding insulating mounting block respectively, the inner side wall of each insulating mounting block is fixedly connected with a conductive block, two ends of each conductive block penetrate through the corresponding insulating mounting block and extend outwards, two inner side walls of the control box are fixedly connected with conductive bars, the end parts of the conductive blocks are in contact with the outer side walls of the conductive bars, the insulating mounting block is clamped with the inner side wall of the control box through a clamping structure.
Preferably, the joint structure is including seting up the mounting groove in insulating installation piece both sides, the interior bottom fixedly connected with second spring of mounting groove, the one end fixedly connected with fixture block of bottom in the mounting groove is kept away from to the second spring, the inside wall sliding connection of fixture block and mounting groove, the spacing mouth that corresponds with the fixture block is seted up to the inside wall of control box, the inside wall fixedly connected with rubber layer of spacing mouth.
Preferably, the alarm device comprises a touch switch.
Preferably, the circuit state display device comprises a buzzer electrically connected with the output end of the touch switch.
The embodiment of the invention has the following beneficial effects:
in the virtual power plant remote monitoring system provided by the invention, the automatic power-off effect is realized on the large current on the transmission line through the large current control device, so that the safety of equipment after a fault is ensured, and the problem of equipment damage after the fault is avoided;
in addition, when the power failure is realized, the touch switch can be touched, and the touch switch is fed back to the background display monitor through the third DA converter, so that the fault location can be judged, and in addition, the effect of the buzzer is convenient for rapidly finding out a fault area on site and facilitating maintenance;
secondly, under the action of the current acquisition system and the voltage acquisition system, an operator can monitor the current and the voltage of the transmission line in real time through the background display monitor;
and the control system is convenient for the background display monitor to control the current and the voltage of the transmission line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a virtual power plant remote monitoring system according to the present invention;
FIG. 2 is a schematic diagram of the voltage acquisition system of FIG. 1;
FIG. 3 is a schematic structural diagram of the current collection system of FIG. 1;
FIG. 4 is a schematic diagram of the prevention system of FIG. 1;
FIG. 5 is a schematic structural diagram of the large current control device in FIG. 4;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
fig. 7 is a connection diagram of the alarm device, the circuit state display device, and the third DA converter in fig. 5.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, a schematic structural diagram of a virtual power plant remote monitoring system according to the present invention is shown; as shown in fig. 2 to 7. In this embodiment, the virtual power plant remote monitoring system includes a transmission line 4, the transmission line 4 is electrically connected with a plurality of feedback systems 1, the plurality of feedback systems 1 are electrically connected with the same background display monitor 2, and an output end of the background display monitor 2 is electrically connected with the transmission line 4 through a control system 3;
the feedback system 1 comprises a prevention system 10, a current acquisition system 11 and a voltage acquisition system 12 which are sequentially electrically connected with the transmission line 4;
as shown in fig. 2, the voltage collecting system 12 includes a voltage collector 120 electrically connected to the transmission line 4, an output terminal of the voltage collector 120 is electrically connected to a second AD converter 121, an output terminal of the second AD converter 121 is electrically connected to a second DA converter 122, and an output terminal of the second DA converter 122 is electrically connected to the background display monitor 2, so that the voltage on the transmission line is detected by the voltage collector 120, the analog signal is converted into a digital signal by the second AD converter 121, so that the transmission is realized by the digital signal, and the digital signal is converted into an analog signal by the second DA converter 122 and displayed on the background display monitor 2.
As shown in fig. 3, the current collection system 11 includes a current collector 110 electrically connected to the transmission line 4, an output end of the current collector 110 is electrically connected to a first AD converter 111, an output end of the first AD converter 111 is electrically connected to a first DA converter 112, an output end of the first DA converter 112 is electrically connected to the background display monitor 2, so that the current on the transmission line is detected by the current collector 110, an analog signal is converted into a digital signal by the first AD converter 111, so that transmission is achieved by the digital signal, and the digital signal is converted into an analog signal by the first DA converter 112 and displayed on the background display monitor 2.
As shown in fig. 4, the preventive system 10 includes a large current control device 100 electrically connected to the transmission line 4, an alarm device 101 is electrically connected to an output terminal of the large current control device 100, a third DA converter 102 and a circuit state display device 103 are electrically connected to an output terminal of the alarm device 01, and an output terminal of the third DA converter 102 is electrically connected to the background display monitor 2;
further, as shown in the figure, the large current control device 100 includes a control box 1001, magnet plates 1002 are fixedly connected to the inner top and the inner bottom of the control box 1001, opposite sides of the two magnet plates 1002 are opposite in magnetism, two sliding rods 1003 are fixedly connected to the front and rear inner side walls of the control box 1, the outer side walls of the two sliding rods 1003 are slidably connected to a same U-shaped insulating mounting block 1004, a first spring 1005 is sleeved on the outer side wall of the sliding rod 1003, two ends of the first spring 1005 are respectively fixedly connected to the inner side wall of the control box 1001 and the outer side wall of the insulating mounting block 1004, a conductive block 1006 is fixedly connected to the inner side wall of the insulating mounting block 1004, two ends of the conductive block 1006 penetrate through the insulating mounting block 1004 and extend outward, conductive bars are fixedly connected to two inner side walls of the control box 1001, ends of the conductive block 1006 are in contact with the outer side walls of the conductive, the insulating mounting block 1004 is clamped with the inner side wall of the control box 1001 through a clamping structure, so that the current change on the transmission line can be induced through the large-current control device, when the current becomes large, in order to prevent the large current from damaging the subsequent equipment, the effect of automatic circuit breaking can be realized, and the safety of the subsequent equipment is ensured;
still further, the clamping structure comprises mounting grooves formed in two sides of the insulating mounting block 1004, a second spring is fixedly connected to the inner bottom of the mounting groove, a clamping block 1007 is fixedly connected to one end, far away from the inner bottom of the mounting groove, of the second spring, the clamping block 1007 is in sliding connection with the inner side wall of the mounting groove, a limiting opening corresponding to the clamping block 1007 is formed in the inner side wall of the control box 1001, and a rubber layer 1008 is fixedly connected to the inner side wall of the limiting opening, so that the insulating mounting block 1004 can be stabilized after moving through the action of the clamping mechanism, the insulating mounting block 1004 can always press the touch switch 1009 after being pressed, and the effect of alarming in a fault area can be achieved;
further, the alarm device 101 includes a touch switch 1009, so that the communication of the subsequent circuit can be realized through the setting of the alarm device, and the communication is fed back to the background display monitor 2, that is, the electric signal is converted into an analog signal through the third DA converter 102, and the analog signal is displayed on the background display monitor 2, so that an operator can judge a maintenance area according to the displayed analog signal, and when the operator arrives at a maintenance site, a fault point is judged according to a buzzer sound emitted by a buzzer 1030 of the subsequent circuit state display device 103;
still further, the circuit state display device 103 includes a buzzer 1030 electrically connected to the output terminal of the touch switch 9, and the alarm effect is achieved by the buzzer 1030, so that the fault location can be quickly determined by sound.
The working principle of the invention is as follows:
when the short circuit occurs at one position of the transmission line, the current of the transmission line is increased, the conductive block 1006 moves forward, because when the current is increased, the conductive block 1006 moves under the action of the magnetic fields generated by the upper and lower magnet plates 1002, because the ampere force is in proportion to the current, wherein the ampere force is scientific knowledge and is not described in detail herein, wherein the distribution of the magnetic field can be referred to fig. 6, the forward moving insulating mounting block 1004 can also press the first spring 1005, so that the first spring 1005 obtains the recovered elastic potential energy, which is convenient for the subsequent resetting of the insulating mounting block 1004, so that when the conductive block 1006 moves forward, the conductive block 1006 separates from the conductive strip, because the short circuit is an instant process, the current is increased in an instant process, so that the conductive block 1006 moves forward rapidly, and is separated from the conductive strip, and the length of the conductive strip is limited, referring to fig. 7, when the conductive block 1006 is separated from the conductive strip, the power is cut off, so that the device cannot be damaged, and meanwhile, the insulating mounting block 1004 is stabilized through the clamping mechanism, so that the touch switch 1009 is touched and pressed all the time, a fault area is determined conveniently through the third DA converter, and the fault area can be rapidly determined on site through the sound emitted by the buzzer 1030.
The embodiment of the invention has the following beneficial effects:
in the virtual power plant remote monitoring system provided by the invention, the automatic power-off effect is realized on the large current on the transmission line through the large current control device, so that the safety of equipment after a fault is ensured, and the problem of equipment damage after the fault is avoided;
in addition, when the power failure is realized, the touch switch can be touched, and the touch switch is fed back to the background display monitor through the third DA converter, so that the fault location can be judged, and in addition, the effect of the buzzer is convenient for rapidly finding out a fault area on site and facilitating maintenance;
secondly, under the action of the current acquisition system and the voltage acquisition system, an operator can monitor the current and the voltage of the transmission line in real time through the background display monitor;
and the control system is convenient for the background display monitor to control the current and the voltage of the transmission line.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A virtual power plant remote monitoring system comprises a transmission line (4), and is characterized in that the transmission line (4) is electrically connected with a plurality of feedback systems (1), the plurality of feedback systems (1) are electrically connected with the same background display monitor (2), and the output end of the background display monitor (2) is electrically connected with the transmission line (4) through a control system;
the feedback system (1) comprises a prevention system (10), a current acquisition system (11) and a voltage acquisition system (12) which are sequentially electrically connected with the transmission line (4).
2. The virtual power plant remote monitoring system according to claim 1, characterized in that the current collection system (11) comprises a current collector (110) electrically connected with the transmission line (4), an output end of the current collector (110) is electrically connected with a first AD converter (111), an output end of the first AD converter (111) is electrically connected with a first DA converter (112), and an output end of the first DA converter (112) is electrically connected with the background display monitor (2).
3. The virtual power plant remote monitoring system according to claim 2, characterized in that the voltage collecting system (12) comprises a voltage collector (120) electrically connected with the transmission line (4), an output end of the voltage collector (120) is electrically connected with a second AD converter (121), an output end of the second AD converter (121) is electrically connected with a second DA converter (122), and an output end of the second DA converter (122) is electrically connected with the background display monitor (2).
4. A virtual power plant remote monitoring system according to any one of claims 1 to 3, characterized in that the prevention system (10) comprises a large current control device (100) electrically connected with the transmission line (4), the output end of the large current control device (100) is electrically connected with an alarm device (101), the output end of the alarm device (101) is electrically connected with a third DA converter (102) and a circuit state display device (103), and the output end of the third DA converter (102) is electrically connected with the background display monitor (2).
5. The virtual power plant remote monitoring system according to claim 4, wherein the large-current control device (100) comprises a control box (1001), the top and bottom of the control box (1001) are fixedly connected with magnet plates (1002), the opposite sides of the two magnet plates (1002) are opposite in magnetism, the front and back inner side walls of the control box (1001) are fixedly connected with two sliding rods (1003), the outer side walls of the two sliding rods (1003) are slidably connected with the same U-shaped insulating mounting block (1004), the outer side wall of each sliding rod (1003) is sleeved with a first spring (1005), the two ends of each first spring (1005) are respectively fixedly connected with the inner side wall of the control box (1001) and the outer side wall of the insulating mounting block (1004), the inner side wall of the insulating mounting block (1004) is fixedly connected with a conductive block (1006), and the two ends of each conductive block (1006) penetrate through the insulating mounting block (1004) and extend outwards, the all fixedly connected with busbar of two inside walls of control box (1001), the tip of conducting block (6) and the lateral wall contact of busbar, the busbar electricity is connected with the wire, the wire runs through control box (1001) and outwards extends, insulating installation piece (1004) passes through the inside wall joint of joint structure and control box (1001).
6. The remote monitoring system of the virtual power plant according to claim 5, wherein the clamping structure comprises mounting grooves formed in two sides of the insulating mounting block (1004), a second spring is fixedly connected to the inner bottom of the mounting groove, a clamping block (1007) is fixedly connected to one end, far away from the inner bottom of the mounting groove, of the second spring, the clamping block (1007) is slidably connected to the inner side wall of the mounting groove, a limiting opening corresponding to the clamping block (1007) is formed in the inner side wall of the control box (1001), and a rubber layer (1008) is fixedly connected to the inner side wall of the limiting opening.
7. A virtual power plant remote monitoring system according to claim 6, characterized in that the alarm device (101) comprises a touch switch (1009).
8. The virtual power plant remote monitoring system according to claim 7, wherein the circuit status display device (103) comprises a buzzer (1030) electrically connected to the output of the touch switch (1009).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911028969.9A CN110703658A (en) | 2019-10-28 | 2019-10-28 | Virtual power plant remote monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911028969.9A CN110703658A (en) | 2019-10-28 | 2019-10-28 | Virtual power plant remote monitoring system |
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| CN110703658A true CN110703658A (en) | 2020-01-17 |
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| CN201911028969.9A Pending CN110703658A (en) | 2019-10-28 | 2019-10-28 | Virtual power plant remote monitoring system |
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|---|---|---|---|---|
| CN101292406A (en) * | 2005-08-24 | 2008-10-22 | 立维腾制造有限公司 | Circuit interrupting device with automatic test |
| CA2752363A1 (en) * | 2010-09-16 | 2012-03-16 | Schweitzer Engineering Laboratories, Inc. | Fault location in a non-homogeneous electric power line |
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