CN112751420B - Intelligent monitoring method and intelligent monitoring system for box transformer substation - Google Patents
Intelligent monitoring method and intelligent monitoring system for box transformer substation Download PDFInfo
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- CN112751420B CN112751420B CN202110084479.1A CN202110084479A CN112751420B CN 112751420 B CN112751420 B CN 112751420B CN 202110084479 A CN202110084479 A CN 202110084479A CN 112751420 B CN112751420 B CN 112751420B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The application relates to an intelligent monitoring method and an intelligent monitoring system for a box transformer substation, which comprises the steps of dividing the space in the box transformer substation into areas with corresponding quantity according to the concentration position of each type of electric device; acquiring the voltage change condition in each area in real time; pre-alarming when the voltage in the area continuously rises and tends to the voltage threshold value of the corresponding electric device; and displaying the pre-alarm area outside the box-type substation and transmitting the pre-alarm area to the handheld terminal. This application has the effect that reduces electrical components damage in the box-type substation.
Description
Technical Field
The application relates to the field of box-type substations, in particular to an intelligent monitoring method and an intelligent monitoring system for box-type substations.
Background
The box-type transformer substation is a compact complete distribution device which combines a distribution transformer of high-voltage switch equipment, low-voltage switch equipment, electric energy metering equipment, a reactive compensation device and the like in one or more boxes according to a certain wiring scheme.
Box-type substation among the correlation technique is the cabinet door that CN110611250A disclosed as applying publication number, including the transformer, the high-voltage board, the low-voltage board includes the cabinet body, rotate and connect on the cabinet body, set up in the internal vary voltage subassembly of cabinet, the internal isolation frame that is provided with of cabinet, the cabinet body is including setting up in the first installation cavity of isolation frame both sides, the second installation cavity, first installation cavity includes electric capacity room, be located the wiring room of electric capacity room below, vary voltage subassembly is including setting up a plurality of intelligent condenser in the electric capacity room, set up the fuse in the wiring room, a plurality of connectors, set up the circuit breaker in the second installation cavity.
The transformer substation in the above-mentioned correlation technique all arranges high-voltage board and low-voltage board in the transformer with the volume that reduces the low-voltage board, and then makes the inside space of low-voltage board reduce, but the condenser that sets up in the low-voltage board, vary voltage electrical parts such as fuse quantity remain unchanged, and to every electrical part, operating voltage all is different, under the condition that accommodation space reduces, in case when the voltage on a certain electrical part is too high and produces high temperature, the overheated condition appears in other electrical parts in the same cavity of easy messenger, and then easily lead to the bulk damage of electrical part.
Disclosure of Invention
In order to reduce damage of electric devices in a box-type substation, the application provides an intelligent box-type substation monitoring method and an intelligent box-type substation monitoring system.
In a first aspect, the application provides an intelligent monitoring method for a box transformer substation, which adopts the following technical scheme:
an intelligent box transformer substation monitoring method comprises the following steps:
dividing the space in the box-type substation into areas with corresponding number according to the concentration position of each type of electric device;
acquiring the voltage change condition in each area in real time;
pre-alarming when the voltage in the area continuously rises and tends to the voltage threshold value of the corresponding electric device;
and displaying the pre-alarm area outside the box-type substation and transmitting the pre-alarm area to the handheld terminal.
By adopting the technical scheme, the space inside the box transformer substation is divided, so that the electric devices of the same type are concentrated in the same area, the voltage conditions of the corresponding area are detected and obtained in real time, and in case that the voltage of a certain area rises and tends to the voltage threshold value of the corresponding electric device, pre-alarming is carried out, the overheating condition of the electric devices caused by overhigh voltage is reduced, and the damage of the electric devices in the box transformer substation can be reduced.
Optionally, a pre-alarm voltage threshold of a corresponding electrical device is preset, and when the voltage of the electrical device reaches the pre-alarm voltage threshold so that a pre-alarm is generated in an area, the method includes:
acquiring the preparation time for increasing the voltage of the electric device from the normal working voltage to the pre-alarm voltage threshold;
calculating the predicted time for the voltage of the electric device to reach the voltage threshold according to the acquired prepared time;
alarming in real time when the voltage in the region reaches a voltage threshold value after the predicted time or when the voltage in the region reaches the voltage threshold value after the predicted time is less than the predicted time;
and displaying the predicted time and the implementation alarm information outside the box-type substation and transmitting the predicted time and the implementation alarm information to the handheld terminal.
Through adopting above-mentioned technical scheme, through setting up warning voltage threshold in advance to raise the electrical part voltage and carry out warning in advance when reaching warning voltage threshold in advance, make the staff know the voltage of electrical part and be in the rising state, later according to the time that the electrical part voltage rose warning voltage threshold in advance calculate the time that the electrical part voltage rose voltage threshold, so that the more clear understanding electrical part voltage of staff reaches the concrete time of voltage threshold, so that make step-down preparation in advance.
Optionally, after the prediction time is obtained, when the obtained voltage in the prediction time decreases and tends to a normal working voltage condition of the electric device, the pre-alarm is stopped and transmitted to the handheld terminal.
By adopting the technical scheme, when the voltage of the electric device is increased to the pre-alarm voltage threshold value and the situation of reduction occurs in the prediction time, the pre-alarm is stopped.
Optionally, a preparation time threshold is preset, and when the preparation time is obtained, the method includes:
comparing the preparation time with a preparation time threshold value in real time;
when the preparation time is greater than or equal to the preparation time threshold value, calculating the prediction time;
and when the preparation time is less than the preparation time threshold value, stopping the calculation of the prediction time and directly alarming in real time.
By adopting the technical scheme, the preparation time threshold is set, so that when the preparation time is acquired, once the preparation time is smaller than the preparation time threshold, the rising speed of the voltage of the current electric device is high, at the moment, the alarm can be directly given out, and the worker can directly start to adjust the voltage of the electric device.
Optionally, after dividing the region, the method includes:
marking lines are divided in the concentrated areas of the electric devices of the same type;
when the voltage continuously rises in the area, carrying out temperature detection on the corresponding area along the marking line until the voltage in the area rises to a pre-alarm voltage threshold value;
when the detected temperature has the rising trend in the preparation time, the temperature information is also transmitted to the handheld terminal.
By adopting the technical scheme, the marking lines are divided in each area, and when the voltage of the electric appliance rises in the area, the temperature detection in the range is carried out along the marking lines, so that the relation between the temperature and the voltage rise of the electric appliance can be better known.
Optionally, after detecting the temperature change data in the area, the temperature data detected when the detection is started and the temperature in the area reaches the pre-alarm voltage threshold is taken as the change judgment standard.
By adopting the technical scheme, the change of the temperature data in the area can be conveniently and intuitively known.
In a second aspect, the application provides an intelligent monitoring system for a box transformer substation, which adopts the following technical scheme:
the utility model provides a case becomes intelligent monitoring system, includes:
the area dividing module is used for dividing the space in the box-type substation into areas corresponding to the number of the electric devices according to the positions of the electric devices;
the voltage acquisition module is used for acquiring the voltage change condition in each area in real time;
the pre-alarm module is used for pre-alarming when the voltage in the area continuously rises and tends to the voltage threshold of the corresponding electric device;
and the information transmission module is used for displaying the pre-alarm area outside the box-type substation and transmitting the pre-alarm area to the handheld terminal.
Optionally, the method further includes:
the preparation time acquisition module is used for acquiring the preparation time for increasing the voltage of the electric device from the normal working voltage to the pre-alarm voltage threshold;
the predicted time calculation module is used for calculating the predicted time for the voltage of the electric device to reach the voltage threshold according to the acquired prepared time;
the real-time alarm module is used for giving an alarm in real time when the voltage in the region reaches a voltage threshold value after the predicted time or when the predicted time is less than the predicted time;
the preparation time comparison module is preset with a preparation time threshold value and compares the preparation time with the preparation time threshold value in real time when the preparation time acquisition module acquires the preparation time;
when the preparation time is larger than the preparation time threshold value, calculating the prediction time;
when the preparation time is less than the preparation time threshold value, stopping the calculation of the prediction time and directly alarming in real time;
and the information transmission module displays the predicted time and the implementation alarm information outside the box-type substation and transmits the predicted time and the implementation alarm information to the handheld terminal.
Optionally, the method further includes:
and the stopping module stops pre-alarming and transmits the pre-alarming to the handheld terminal when the voltage acquired in the prediction time is reduced and tends to the normal working voltage condition of the electric device after the prediction time calculation module acquires the prediction time.
Optionally, the method further includes:
the marking line dividing module is used for dividing marking lines in the concentrated areas of the electric devices of the same type;
the temperature detection module is used for detecting the temperature of the corresponding area along the marking line when the voltage continuously rises in the area until the voltage in the area rises to a pre-alarm voltage threshold value;
when the detected temperature has a rising trend in the preparation time, the information transmission module transmits the temperature information to the handheld terminal.
In summary, the present application includes at least one of the following beneficial technical effects:
through dividing the space that becomes inside with the case to carry out real-time detection to the voltage condition in corresponding region and acquire, so that the better voltage variation condition of detection electrical part, with the overheated condition of the electrical part that reduces because of the too high production of voltage, and then the damage of electrical part in the reducible box-type substation.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of the present application.
Fig. 2 is a schematic flow chart of the principle of the embodiment of the present application.
Fig. 3 is a schematic structural diagram of an embodiment of the present application.
Description of reference numerals: 1. a region dividing module; 2. a voltage acquisition module; 3. a pre-alarm module; 4. an information transmission module; 5. a preparation time acquisition module; 6. a predicted time calculation module; 7. a real-time alarm module; 8. a preparation time comparison module; 9. a stop module; 10. a marking line dividing module; 11. and a temperature detection module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-3 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses an intelligent box transformer substation monitoring method.
Referring to fig. 1, the intelligent monitoring method for the box transformer substation specifically comprises the following steps:
and S100, dividing the space in the box-type substation into areas with corresponding number according to the concentration position of each type of electric device.
Specifically, there are electric devices including capacitors, fuses, connectors, and circuit breakers inside the box-type substation, and the number of each of these electric devices is plural, in this embodiment, all the electric devices of each type are collectively placed and divided into one area, for example, the position where the capacitor is located is divided into capacitor areas.
And step S200, acquiring the voltage change condition in each area in real time.
Specifically, after the areas are divided, monitoring of voltage data change of each area is started, in the box transformer working process, voltage data generated when the electric device works can be acquired by using a voltage sensor and the like, the voltage data of each area are arranged according to the working time of the box transformer, for example, the working time of the box transformer is one day, the voltage data are arranged in the sequence from zero to twenty-four points, the voltage data acquisition interval can be, but is not limited to, 10 minutes and 20 minutes, and then the voltage data change of each area can be known.
And step S300, giving a pre-alarm when the voltage in the area continuously rises and tends to the voltage threshold value of the corresponding electric device.
And S400, displaying the pre-alarm area outside the box-type substation and transmitting the pre-alarm area to the handheld terminal.
Specifically, the voltage threshold of the electric device is preferably the voltage critical value that each kind of electric device can bear, each regional voltage data is obtained, and arrange the back according to operating time, the voltage data appears and carries out the warning in advance when beginning to rise along with the time, and the regional demonstration that the electric device that rises in voltage is located is on the display screen outside box-type substation, transmit simultaneously to handheld terminal, handheld terminal can be in this embodiment, but not limited to staff's cell-phone, the computer, and then can in time remind staff that there is the potential safety hazard that the voltage rises in the current case becomes, need in time pay close attention to and make the adjustment, in order to reduce the overheated condition of electric device because of the too high production of voltage, and then the damage of the electric device in the reducible box-type substation.
Referring to fig. 2, further, in this embodiment, a pre-alarm voltage threshold of the corresponding electric device is preset, where the pre-alarm voltage threshold is preferably a voltage value that can be used to start reminding before the voltage of the electric device reaches the voltage threshold, and when the voltage of the electric device reaches the pre-alarm voltage threshold, a pre-alarm is generated in an area to remind a worker to prepare for voltage increase in advance.
The method specifically comprises the following steps:
step S210, acquiring the preparation time for increasing the voltage of the electric device from the normal working voltage to the pre-alarm voltage threshold.
Specifically, when the voltage of the electric device reaches the pre-alarm voltage threshold value to cause the area to generate the pre-alarm, the time difference obtained by the difference between the time when the voltage of the electric device starts rising and the time when the voltage reaches the pre-alarm voltage threshold value is taken as the preparation time, namely the time required by the voltage of the electric device to reach the pre-alarm voltage threshold value from the normal working voltage is represented, taking the capacitor as an example, the working time of the capacitor in the normal voltage state is 10 o ' clock 30 minutes in the morning, and the voltage of the capacitor starts rising from 10 o ' clock 31 minutes and reaches the pre-alarm voltage threshold value at 10 o ' clock 40 minutes, so the preparation time is 9 minutes.
Step S220, calculating a predicted time for the electric device voltage to reach the voltage threshold value based on the acquired preliminary time.
Specifically, when the voltage of the electric device can reach the pre-alarm voltage threshold value from the normal voltage within 9 minutes of the preparation time, the rising data of the voltage of the electric device per minute can be obtained through calculation, the time required for the voltage of the electric device to reach the voltage threshold value from the preparation time is calculated according to the difference value between the voltage threshold value and the pre-alarm voltage threshold value, namely the predicted time in the embodiment, and then the predicted time is displayed on a display screen outside the box transformer or transmitted to a handheld terminal of a worker, so that the worker can make preparation for rising of the voltage of the electric device in advance.
Step S230, a real-time alarm is performed when the voltage in the region reaches the voltage threshold after the predicted time or after the predicted time is less than the predicted time.
And S240, displaying the predicted time and implementation alarm information outside the box-type substation and transmitting the predicted time and implementation alarm information to the handheld terminal.
Specifically, the estimated time when the voltage of the electric device reaches the voltage threshold is calculated according to the obtained predicted time, actual calculation is carried out on the specifically reached time, when the actual time when the voltage of the electric device rises from the pre-alarm voltage threshold to the voltage threshold is reached or is smaller than the predicted time, the fact that the rising speed of the voltage of the electric device is far higher than the predicted time is shown, at the moment, alarm information can be given out, the alarm information is displayed on a display screen outside a box transformer or is transmitted to a handheld terminal of a worker, the worker who is ready can quickly respond, and the working voltage of the electric device is reduced.
Further, when the voltage is reduced and tends to the normal working voltage condition of the electric device in the process of acquiring the voltage data of the electric device in the subsequent process within the prediction time after the prediction time is acquired, the pre-alarm is stopped and transmitted to the handheld terminal, and the normal work of the box transformer substation is maintained.
Further, the embodiment is further provided with a preparation time threshold, and the preparation time threshold is preferably a safe time for the voltage of the electric device to rise to the pre-alarm voltage threshold, that is, the time taken for the voltage of the electric device to rise to the pre-alarm voltage threshold is within the preparation time threshold, and both the time and the time belong to the subsequent controllable range.
When the preparation time is acquired, and for the preparation time threshold, this embodiment further specifically includes the following steps:
the preparation time is compared with a preparation time threshold value in real time.
Specifically, when the voltage of the electric device rises and reaches a pre-alarm voltage threshold value, the preparation time is recorded and compared with the size of the preparation time threshold value.
When the preparation time is greater than or equal to the preparation time threshold value, calculating the prediction time; and when the preparation time is less than the preparation time threshold value, stopping the calculation of the prediction time and directly alarming in real time.
Specifically, when the preparation time is greater than or equal to the preparation time threshold, it indicates that the voltage of the current electric device is in a normal rising state, and there is a trend of falling, the box transformer substation can continue to work, but the staff needs to make a preparation in advance that the voltage reaches the voltage threshold, and perform a soft measure for reducing the voltage of the electric device; on the contrary, when the preparation time is less than the preparation time threshold, the voltage rising speed of the current electric device is high, even the voltage reaches the professional which cannot be controlled, and the time for preparing voltage reduction in advance is not provided for the working personnel.
Further, the method for dividing the region and performing the region in advance specifically comprises the following steps:
and dividing the marking lines in the concentrated areas of the electric devices of the same type.
Specifically, after all the same electric devices are collected, marking lines are divided around all the electric devices, and the range formed by the marking lines can be, but is not limited to, a circle or a square, so that all the same electric devices are located in the formed range.
And when the voltage continuously rises in the area, detecting the temperature of the corresponding area along the marking line until the voltage in the area rises to the pre-alarm voltage threshold value, and stopping detecting.
When the detected temperature has the rising trend in the preparation time, the temperature information is also transmitted to the handheld terminal.
Specifically, when a voltage rising trend occurs in an area formed by certain electric devices of the same type, the temperature of the electric devices in the same area is detected, in this embodiment, the specific detection method is preferably to arrange a trolley moving along a mark line on the mark line, and arrange an infrared thermometer facing the electric devices on the trolley to obtain and record temperature data in the voltage rising process, and the specific record is that each time one voltage data is obtained, the infrared thermometer detects one temperature data, the temperature detection is stopped until the temperature in the area continuously rises and reaches a pre-alarm voltage threshold, after the temperature data is detected, the temperature change condition needs to be judged, in this embodiment, the temperature data detected by the infrared thermometers are arranged according to the detection time, and the temperature data detected when the detection starts and the temperature in the area reaches the pre-alarm voltage threshold is selected as the change judgment standard, when the temperature data detected when the temperature in the region reaches the pre-alarm voltage threshold value is larger than the temperature data detected at the beginning, the temperature of the electric device in the region is increased along with the increase of the voltage, and the information of the temperature increase is transmitted to the handheld terminal so that the worker can pay attention to the temperature change of the electric device.
The embodiment of the application also discloses an intelligent monitoring system for the box transformer substation.
Referring to fig. 3, the intelligent monitoring system for the box transformer substation comprises an area dividing module 1, a voltage obtaining module 2, a pre-alarm module 3 and an information transmission module 4, wherein the area dividing module 1 is used for dividing the space in the box-type substation into areas corresponding to the number of electric devices according to the positions of the electric devices; the voltage acquisition module 2 is used for acquiring the voltage change condition in each area in real time; the pre-alarm module 3 is used for pre-alarming when the voltage in the area continuously rises and tends to the voltage threshold of the corresponding electric device; and the information transmission module 4 is used for displaying the pre-alarming area outside the box-type substation and transmitting the pre-alarming area to the handheld terminal.
Furthermore, a pre-alarm voltage threshold corresponding to the electric device is preset in the embodiment, the pre-alarm voltage threshold is preferably a voltage value which can be used for reminding before the voltage of the electric device reaches the voltage threshold, and when the voltage of the electric device reaches the pre-alarm voltage threshold, a pre-alarm is generated in an area so as to remind a worker of preparing for voltage increase in advance.
The implementation concretely comprises a preparation time acquisition module 5, a prediction time calculation module 6, a real-time alarm module 7, a preparation time comparison module 8 and a stop module 9; the preparation time acquisition module 5 is used for acquiring the preparation time of the voltage of the electric device rising from the normal working voltage to the pre-alarm voltage threshold; the predicted time calculation module 6 is used for calculating the predicted time for the voltage of the electric device to reach the voltage threshold according to the acquired prepared time; the real-time alarm module 7 is used for giving an alarm in real time when the voltage in the region reaches a voltage threshold value after the predicted time or when the predicted time is less than the predicted time; a preparation time threshold is preset in the preparation time comparison module 8, and when the preparation time acquisition module 5 acquires the preparation time, the preparation time is compared with the preparation time threshold in real time; when the preparation time is larger than the preparation time threshold value, calculating the prediction time; when the preparation time is less than the preparation time threshold value, stopping the calculation of the prediction time and directly alarming in real time; the stopping module 9 is used for stopping pre-alarming and transmitting the pre-alarming to the handheld terminal when the voltage acquired in the prediction time is reduced and tends to the normal working voltage condition of the electric device after the prediction time calculation module 6 acquires the prediction time; and then the information transmission module 4 displays the predicted time and implementation alarm information outside the box-type substation and transmits the predicted time and implementation alarm information to the handheld terminal.
Further, the present embodiment further includes a mark line dividing module 10 and a temperature detecting module 11; the marking line dividing module 10 is used for dividing marking lines in the concentrated areas of the electric devices of the same type; the temperature detection module 11 is used for detecting the temperature of the corresponding area along the marking line when the voltage continuously rises in the area until the voltage in the area rises to a pre-alarm voltage threshold value; when the detected temperature has a rising trend in the preparation time, the information transmission module 4 transmits temperature information to the handheld terminal.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (8)
1. A box transformer substation intelligent monitoring method is characterized in that: the method comprises the following steps:
dividing the space in the box-type substation into areas with corresponding number according to the concentration position of each type of electric device;
acquiring the voltage change condition in each area in real time;
pre-alarming when the voltage in the area continuously rises and tends to the voltage threshold value of the corresponding electric device;
displaying the pre-alarm area outside the box-type substation and transmitting the pre-alarm area to the handheld terminal;
presetting a pre-alarm voltage threshold of a corresponding electric device, wherein when the voltage of the electric device reaches the pre-alarm voltage threshold so as to generate a pre-alarm in an area, the method comprises the following steps:
acquiring the preparation time for increasing the voltage of the electric device from the normal working voltage to the pre-alarm voltage threshold;
calculating the predicted time for the voltage of the electric device to reach the voltage threshold according to the acquired preparation time;
alarming in real time when the voltage in the region reaches a voltage threshold value after the predicted time or when the voltage in the region reaches the voltage threshold value after the predicted time is less than the predicted time;
and displaying the predicted time and the real-time alarm information outside the box-type substation and transmitting the predicted time and the real-time alarm information to the handheld terminal.
2. The intelligent box transformer substation monitoring method according to claim 1, is characterized in that: and after the prediction time is obtained, stopping pre-alarming and transmitting the pre-alarming to the handheld terminal when the obtained voltage in the prediction time is reduced and tends to the normal working voltage condition of the electric device.
3. The intelligent box transformer substation monitoring method according to claim 2, is characterized in that: presetting a preparation time threshold, and when the preparation time is acquired, the method comprises the following steps:
comparing the preparation time with a preparation time threshold value in real time;
when the preparation time is greater than or equal to the preparation time threshold value, calculating the prediction time;
and when the preparation time is less than the preparation time threshold value, stopping the calculation of the prediction time and directly alarming in real time.
4. The intelligent monitoring method for the box transformer substation according to claim 1, characterized in that: after dividing the region, the method comprises the following steps:
marking lines are divided in the concentrated areas of the electric devices of the same type;
when the voltage continuously rises in the area, carrying out temperature detection on the corresponding area along the marking line until the voltage in the area rises to a pre-alarm voltage threshold value;
when the detected temperature has the rising trend in the preparation time, the temperature information is also transmitted to the handheld terminal.
5. The intelligent box transformer substation monitoring method according to claim 4, is characterized in that: and after detecting the temperature change data in the area, taking the temperature data detected when the detection is started and the temperature in the area reaches a pre-alarm voltage threshold value as a change judgment standard.
6. The utility model provides a case becomes intelligent monitoring system which characterized in that: the method comprises the following steps:
the area dividing module (1) is used for dividing the space in the box-type substation into areas corresponding to the number of the electric devices according to the positions of the electric devices;
the voltage acquisition module (2) is used for acquiring the voltage change condition in each area in real time;
the pre-alarm module (3) is used for pre-alarming when the voltage in the area continuously rises and tends to the voltage threshold value of the corresponding electric device;
the information transmission module (4) is used for displaying the pre-alarm area outside the box-type substation and transmitting the pre-alarm area to the handheld terminal;
further comprising:
the preparation time acquisition module (5) is used for acquiring the preparation time of the voltage of the electric device rising from the normal working voltage to the pre-alarm voltage threshold;
a predicted time calculation module (6) for calculating a predicted time for the electric device voltage to reach a voltage threshold value based on the acquired preparation time;
the real-time alarm module (7) is used for giving an alarm in real time when the voltage in the area reaches a voltage threshold value after the predicted time or after the predicted time is shorter than the predicted time;
the preparation time comparison module (8) is preset with a preparation time threshold value, and compares the preparation time with the preparation time threshold value in real time when the preparation time acquisition module (5) acquires the preparation time;
when the preparation time is larger than the preparation time threshold value, calculating the prediction time;
when the preparation time is less than the preparation time threshold value, stopping the calculation of the predicted time and directly alarming in real time;
and the information transmission module (4) displays the predicted time and the real-time alarm information outside the box-type transformer substation and transmits the predicted time and the real-time alarm information to the handheld terminal.
7. The intelligent box transformer substation monitoring system according to claim 6, is characterized in that: further comprising:
and the stopping module (9) stops pre-alarming and transmits the pre-alarming to the handheld terminal when the voltage acquired in the prediction time is reduced and tends to the normal working voltage condition of the electric device after the prediction time calculation module (6) acquires the prediction time.
8. The intelligent monitoring system of box-type substation of claim 7, characterized in that: further comprising:
the marking line dividing module (10) is used for dividing marking lines in the concentrated areas of the electric devices of the same type;
the temperature detection module (11) is used for detecting the temperature of the corresponding area along the marking line when the voltage continuously rises in the area until the voltage in the area rises to a pre-alarm voltage threshold value;
when the detected temperature has an increasing trend in the preparation time, the information transmission module (4) transmits temperature information to the handheld terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084479.1A CN112751420B (en) | 2021-01-21 | 2021-01-21 | Intelligent monitoring method and intelligent monitoring system for box transformer substation |
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| CN202110084479.1A CN112751420B (en) | 2021-01-21 | 2021-01-21 | Intelligent monitoring method and intelligent monitoring system for box transformer substation |
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| CN112751420A CN112751420A (en) | 2021-05-04 |
| CN112751420B true CN112751420B (en) | 2022-08-30 |
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| CN202110084479.1A Active CN112751420B (en) | 2021-01-21 | 2021-01-21 | Intelligent monitoring method and intelligent monitoring system for box transformer substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07107620A (en) * | 1993-09-29 | 1995-04-21 | Nippondenso Co Ltd | Abnormality monitor of dc-dc converter for electric automobile |
| CN103401170B (en) * | 2013-08-12 | 2016-10-05 | 四川大尔电气有限责任公司 | A kind of box-type substation |
| US10734838B2 (en) * | 2013-10-31 | 2020-08-04 | Open Access Technology International, Inc. | Practical conservation voltage reduction formulation and method utilizing measurement and/or alarming information from intelligent data gathering and communication technology devices |
| CN109755886A (en) * | 2017-11-03 | 2019-05-14 | 谭志恒 | A kind of box-type substation with warning function |
| CN209232119U (en) * | 2019-01-11 | 2019-08-09 | 陕西中兴祥林电子科技有限公司 | A kind of box-type substation monitoring and alarming system based on cloud service platform |
| CN111562023B (en) * | 2020-05-22 | 2021-10-08 | 上海红檀智能科技有限公司 | Device and method for comprehensively monitoring and early warning equipment temperature in wind power plant box transformer substation cabin |
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