CN117317821A - Intelligent monitoring system of transformer substation - Google Patents
Intelligent monitoring system of transformer substation Download PDFInfo
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- CN117317821A CN117317821A CN202311178607.4A CN202311178607A CN117317821A CN 117317821 A CN117317821 A CN 117317821A CN 202311178607 A CN202311178607 A CN 202311178607A CN 117317821 A CN117317821 A CN 117317821A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 209
- 238000007791 dehumidification Methods 0.000 claims abstract description 101
- 238000009825 accumulation Methods 0.000 claims abstract description 99
- 238000007405 data analysis Methods 0.000 claims abstract description 10
- 230000001276 controlling effect Effects 0.000 claims description 25
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 230000003247 decreasing effect Effects 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Abstract
The invention discloses an intelligent monitoring system of a transformer substation, which relates to the technical field of transformer substation monitoring and comprises a box-type transformer substation main body, a water collecting box, a water accumulation sensor, a dehumidifier and a controller, wherein a water accumulation data acquisition module, a water accumulation data analysis module, an initial dehumidification identification generation module, a control judgment module and an initial control table generation module are arranged in the controller; through utilizing ponding volume V1 and ponding speed S1 in the water collection box, and then judge air humidity in advance, control dehumidifier handles humidity variation in advance, simultaneously through generating the level and consulting initial control table, be convenient for consult initial control table according to the level of the initial dehumidification sign of production, control the initial mode of dehumidifier according to the mode that initial dehumidification sign corresponds for the dehumidifier can more efficient operation in the use, the hysteresis problem of dehumidifier when the environmental humidity in the control box transformer station main part is solved.
Description
Technical Field
The invention relates to the technical field of substation monitoring, in particular to an intelligent monitoring system of a substation.
Background
Substations are an important component in electrical power systems for converting high voltage ac power to low voltage ac power for urban, factory and home use. The intelligent monitoring system can provide real-time monitoring and management of the operation state of the transformer substation, and the operation efficiency and the safety of the transformer substation are improved; along with the demands of different places, the transformer substation evolves into different types, one of which is a box-type transformer substation; the box-type transformer substation, also called preassembled substation or preassembled substation, is a high-voltage switch device, a distribution transformer and a low-voltage distribution device;
however, the humidity of the environment in the box-type transformer substation is controlled by mainly depending on the dehumidifier, and due to the fact that a certain time is needed for the change of the environment humidity in the box-type transformer substation in rainy days, the humidity of the environment controlled by the dehumidifier is restarted after the environment humidity in the transformer substation is acquired by the humidity sensor in rainy days, dehumidification operation is easy to lag, the environment humidity in the power station cannot be effectively controlled timely, and the intelligent monitoring system for the transformer substation is provided.
Disclosure of Invention
The invention aims to provide an intelligent monitoring system for a transformer substation, which solves the technical problems that the humidity of the environment in the transformer substation is controlled by a dehumidifier in a box-type transformer substation, and the environment humidity in the transformer substation is acquired by a humidity sensor in rainy days and then the dehumidifier is started to control the humidity of the environment, so that the dehumidification operation is lagged and the environment humidity in the power station cannot be effectively controlled in time due to a certain time required for the change of the environment humidity in the transformer substation in rainy days.
The aim of the invention can be achieved by the following technical scheme:
the intelligent monitoring system of the transformer substation comprises a box-type transformer substation main body, a water collecting box, a water accumulation sensor, a dehumidifier and a controller, wherein the water collecting box is fixedly arranged on the outer surface of the box-type transformer substation main body and used for collecting rainwater, the water accumulation sensor is fixedly arranged in the water collecting box and used for acquiring real-time data of water accumulation in the water collecting box, the dehumidifier is fixedly arranged on the box-type transformer substation main body, and the controller is fixedly arranged on the box-type transformer substation main body;
the controller is internally provided with a ponding data acquisition module, a ponding data analysis module, an initial dehumidification mark generation module, a control judgment module and an initial control table generation module;
the water accumulation data acquisition module is used for acquiring the water accumulation amount in the water collection box when the preset time length T1 passes, marking the water accumulation amount as V1, and simultaneously sending the water accumulation amount to the water accumulation data analysis module, wherein the preset time length T1 is the time length from the time when water accumulation begins in the water collection box to the time when the water accumulation amount in the water collection box is acquired, and T1 is more than or equal to 60s;
the water accumulation data analysis module is used for analyzing the water accumulation amount in the water collection box and the preset time length T1 when the preset time length T1 passes, so as to obtain an initial water accumulation rate, and the initial water accumulation rate is sent to the initial dehumidification mark generation module, so that the specific mode for obtaining the initial water accumulation rate is as follows: the initial water accumulation rate S1 can be obtained through the formula V1/T1=S1;
the initial dehumidification identification generation module is used for comparing and analyzing the initial water accumulation rate S1 with a preset value Y1 and a preset value Y2, wherein Y1 is larger than Y2, judging and generating an initial dehumidification identification of a corresponding grade according to an analysis result, and sending the initial dehumidification identification to the control judgment module, wherein the initial dehumidification identification comprises a primary initial dehumidification identification, a secondary initial dehumidification identification and a tertiary initial dehumidification identification;
the initial control table generation module is used for binding the primary initial dehumidification identification, the secondary initial dehumidification identification and the tertiary initial dehumidification identification with different working modes of the dehumidifier respectively, so as to generate an initial control table, and simultaneously, the initial control is sent to the control judgment module, and the different working modes of the dehumidifier 4 comprise high-speed, medium-speed and low-speed working modes.
As a further scheme of the invention: the specific way of generating the initial dehumidification identification of the corresponding grade is as follows:
when the initial water accumulation rate S1 is more than or equal to Y2 and Y2 is more than or equal to Y1, a first-stage initial dehumidification mark is generated, when Y1 is more than or equal to Y2, a second-stage initial dehumidification mark is generated, and when S1 is more than or equal to Y1, a third-stage initial dehumidification mark is generated.
As a further scheme of the invention: the specific mode of generating the initial control table is as follows;
binding the primary initial dehumidification identification, the secondary initial dehumidification identification and the tertiary initial dehumidification identification with different working modes of the dehumidifier 4 respectively, namely binding the primary initial dehumidification identification with a low-speed working mode of the dehumidifier, binding the secondary initial dehumidification identification with a medium-speed working mode of the dehumidifier, and binding the tertiary initial dehumidification identification with a high-speed working mode of the dehumidifier, so as to generate an initial control table.
As a further scheme of the invention: and the control judging module is used for referring to the initial control table according to the generated level of the initial dehumidification identifier, extracting the working mode corresponding to the initial dehumidification identifier and controlling the initial working mode of the dehumidifier according to the corresponding working mode.
As a further scheme of the invention: acquiring an initial working mode of the dehumidifier from the control judging module, and when the initial working mode of the dehumidifier is a high-speed working mode;
s1: collecting the accumulated water in the water collecting box at intervals of A1, and respectively marking the accumulated water collected continuously for n1 times as B1 11 、B1 21 、……、B1 n1 Wherein n1 is greater than or equal to 1;
s2: obtaining the difference between n1 ponding amounts and marking the difference as C1 respectively 11 、C1 21 、……、C1 n1-1 The method comprises the steps of carrying out a first treatment on the surface of the N 1-1C 1 11 、C1 21 、……、C1 n1-1 Divided by the time interval A1 to obtain a sum of n 1-1C 1 11 、C1 21 、……、C1 n1-1 The corresponding water increasing rate is used for increasing the water increasing speed,and marks it as D1 respectively 11 、D1 21 、……、D1 n1-1 ；
S3: obtaining n1-1 water increasing rates D1 11 、D1 21 、……、D1 n1-1 If the number e1 of the water accumulation rate S1 is larger than or equal to the water accumulation rate S1, if e1 is larger than or equal to Y3, no processing is performed, and if Y3 is larger than e1, a speed reduction signal is generated;
s4: when a deceleration signal is generated and Y3 > e1 is more than or equal to Y4, regulating and controlling the working mode corresponding to the dehumidifier to be a medium-speed working mode, and when Y4 > e1 is met, regulating and controlling the working mode corresponding to the dehumidifier to be a low-speed working mode, wherein Y3 and Y4 are both preset values, and Y3 > Y4.
As a further scheme of the invention: acquiring an initial working mode of the dehumidifier from the control judging module, and when the initial working mode of the dehumidifier is a medium-speed working mode;
s01: collecting the accumulated water in the water collecting box at intervals of a certain time interval A1, and respectively marking the accumulated water collected continuously for n2 times as B2 12 、B2 22 、……、B2 n2 ，n2≥1；
S02: calculating the difference between n2 ponding amounts and marking the difference as C2 respectively 12 、C2 22 、……、C2 n2-1 N 2-1C 2 12 、C2 22 、……、C2 n2-1 Divided by the time interval A1 to obtain a sum of n 2-1C 2 12 、C2 22 、……、C2 n2-1 Corresponding water increasing rates and are respectively marked as D2 1 、D2 2 、……、D2 n2-1 ；
S03: obtaining n2-1 water increasing rates D2 1 、D2 2 、……、D2 n2-1 The number e2 of the water accumulation rate S1 is larger than or equal to the water accumulation rate, when e2 is larger than or equal to Y5, a speed increasing signal is generated, and when Y5 is larger than e2, a speed decreasing signal is generated;
s04: when the speed-up signal is generated, the working mode corresponding to the dehumidifier is regulated to a medium-speed working mode, and when the speed-down signal is generated, the working mode corresponding to the dehumidifier is regulated to a low-speed working mode, wherein Y5 is a preset value.
As a further scheme of the invention: acquiring an initial working mode of the dehumidifier from the control judging module, and when the initial working mode of the dehumidifier is a low-speed working mode;
s001: collecting the accumulated water in the water collecting box at intervals of a certain time interval A1, and respectively marking the accumulated water collected for n3 times continuously as B3 13 、B3 23 、……、B3 n3 ，n3≥1；
S002: calculating the difference between n3 ponding amounts and marking it as C3 respectively 13 、C3 23 、……、C3 n3-1 N 3-1C 3 13 、C3 23 、……、C3 n3-1 Divided by the time interval A1 to obtain a sum of n 3-1C 3 13 、C3 23 、……、C3 n3-1 Corresponding water increasing rates and are respectively marked as D3 1 、D3 2 、……、D3 n3-1 ；
S003: obtaining n3-1 water increasing rates D3 1 、D3 2 、……、D3 n3-1 If the number e3 of the water accumulation rate S1 is larger than or equal to the number e3, generating a speed increasing signal when the number e3 is larger than or equal to Y6, and not performing any treatment when Y6 is larger than e 3;
s004: when the speed-up signal is generated and Y7 is more than or equal to e3 and is more than or equal to Y6, regulating and controlling the working mode corresponding to the dehumidifier to be a medium-speed working mode, and when e6 is more than or equal to Y7, regulating and controlling the working mode corresponding to the dehumidifier to be a high-speed working mode, wherein Y6 and Y7 are both preset values, and Y7 is more than Y6.
The invention has the beneficial effects that:
(1) According to the invention, the accumulated water volume V1 and the accumulated water rate S1 in the water collecting box are utilized to judge the air humidity in advance, the dehumidifier is controlled to deal with humidity change in advance, meanwhile, the primary initial dehumidification identification, the secondary initial dehumidification identification or the tertiary initial dehumidification identification are judged and generated according to the accumulated water rate S1, and according to the primary dehumidification identifications of different levels, the high-speed, medium-speed and low-speed working modes of the dehumidifier are respectively in one-to-one correspondence with the primary initial dehumidification identification, the secondary initial dehumidification identification and the tertiary initial dehumidification identification and are bound to generate grades to refer to an initial control table, so that the initial working mode of the dehumidifier is controlled according to the grade of the generated initial dehumidification identification, the initial working mode of the dehumidifier is correspondingly controlled according to the initial dehumidification identifications of different levels, the environmental humidity in the main body of the box-type substation can be controlled more accurately, the dehumidifier can be operated more efficiently in advance according to the humidity change in the use process, and the problems of the box-type substation safety of the dehumidifier in the main body and the box-type substation can be improved when the environmental humidity in the main body of the box-type substation is controlled are solved;
(2) According to the invention, the change trend of the water accumulation rate of the water accumulation in the water collecting box in a period of time is analyzed and judged according to the different initial working modes of the dehumidifier, and corresponding speed reduction signals or temperature rise are generated according to the analysis results of the dehumidifier in the different initial working modes, so that the working modes of the dehumidifier in the different initial working modes are correspondingly adjusted, the dehumidifier can better adapt to the requirement of environmental humidity change, and the purpose of effectively controlling the environmental humidity in the box-type transformer substation main body is achieved.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a main body of a box-type substation of an intelligent monitoring system of a substation according to the present invention;
FIG. 2 is a schematic diagram of a frame structure of an intelligent monitoring system of a transformer substation according to the present invention;
1. a box-type substation main body; 2. a water collecting box; 3. a water accumulation sensor; 4. a dehumidifier; 5. and a controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, the invention discloses an intelligent monitoring system for a transformer substation, which comprises a box-type transformer substation main body 1, a water collecting box 2, a water accumulation sensor 3, a dehumidifier 4 and a controller 5, wherein the water collecting box 2 is fixedly arranged on the outer surface of the box-type transformer substation main body 1 and is used for collecting rainwater, the water accumulation sensor 3 is fixedly arranged in the water collecting box 2 and is used for acquiring real-time data of water accumulation in the water collecting box, the dehumidifier 4 is fixedly arranged on the box-type transformer substation main body 1, and the controller 5 is fixedly arranged on the box-type transformer substation main body 1;
the controller 5 is internally provided with a water accumulation data acquisition module, a water accumulation data analysis module, an initial dehumidification mark generation module, a control judgment module and an initial control table generation module;
the water accumulation data acquisition module is used for acquiring and marking the water accumulation amount in the water collection box 2 as V1 when a preset time length T1 passes, and sending the water accumulation amount to the water accumulation data analysis module, wherein the preset time length T1 is the time length from the time when water accumulation starts in the water collection box 2 to the time when the water accumulation amount in the water collection box 2 is acquired, the water accumulation amount in the water collection box 2 is acquired and recorded through the water accumulation sensor 3, and the T1 is more than or equal to 60s;
the ponding data analysis module is used for analyzing the ponding amount in the water collection box 2 and the preset duration T1 when the preset duration T1 passes, so as to obtain an initial ponding rate, the initial ponding rate is sent to the initial dehumidification mark generation module, and the specific mode for obtaining the initial ponding rate is as follows:
the initial water accumulation rate S1 can be obtained through a formula V1/T1=S1, the larger the corresponding value of the initial water accumulation rate S1 is, the more the water accumulation amount in the water collection box 2 is when the box-type transformer substation main body 1 passes through a preset time length T1, the more the precipitation amount in a rainy day is in a corresponding time T1, the air humidity is increased after the corresponding time T1 is passed, and otherwise, the air humidity is reduced after the corresponding time T1 is passed;
the initial dehumidification mark generation module is used for comparing and analyzing the initial water accumulation rate S1 with a preset value Y1 and a preset value Y2, wherein Y1 is larger than Y2, judging and generating an initial dehumidification mark of a corresponding grade according to an analysis result, and sending the initial dehumidification mark to the control judgment module, wherein the specific mode for generating the initial dehumidification mark of the corresponding grade is as follows:
the initial dehumidification identification comprises a first-stage initial dehumidification identification, a second-stage initial dehumidification identification and a third-stage initial dehumidification identification, when Y2 is more than S1, the first-stage initial dehumidification identification is generated, when Y1 is more than or equal to S1 and is more than or equal to Y2, the second-stage initial dehumidification identification is generated, when S1 is more than or equal to Y1, the third-stage initial dehumidification identification is generated, and specific values of a preset value Y1 and a preset value Y2 are drawn by related personnel according to working experience;
the dehumidification requirement represented by the primary initial dehumidification identifier is higher than that represented by the secondary initial dehumidification identifier, and the dehumidification requirement represented by the secondary initial dehumidification identifier is higher than that represented by the tertiary initial dehumidification identifier;
the initial control table generation module is used for binding the primary initial dehumidification identifier, the secondary initial dehumidification identifier and the tertiary initial dehumidification identifier with different working modes of the dehumidifier 4 respectively so as to generate an initial control table, and simultaneously, the initial control is sent to the control judgment module, and the specific mode for generating the initial control table is as follows;
binding a primary initial dehumidification identifier, a secondary initial dehumidification identifier and a tertiary initial dehumidification identifier with different working modes of the dehumidifier 4 respectively, wherein the different working modes of the dehumidifier 4 comprise a high-speed working mode, a medium-speed working mode and a low-speed working mode, binding the primary initial dehumidification identifier with the low-speed working mode of the dehumidifier 4, binding the secondary initial dehumidification identifier with the medium-speed working mode of the dehumidifier 4, and binding the tertiary initial dehumidification identifier with the high-speed working mode of the dehumidifier 4 so as to generate an initial control table;
the control judging module is used for referring to the initial control table according to the generated level of the initial dehumidification identifier, extracting the working mode corresponding to the initial dehumidification identifier and controlling the initial working mode of the dehumidifier 4 according to the corresponding working mode;
the water accumulation amount V1 and the water accumulation rate S1 in the water collection box 2 are utilized to judge the air humidity in advance, the dehumidifier 4 is controlled to deal with humidity change in advance, meanwhile, according to the water accumulation rate S1, the primary initial dehumidification identification, the secondary initial dehumidification identification or the tertiary initial dehumidification identification are judged to be generated, according to the initial dehumidification identifications of different levels, the high-speed, medium-speed and low-speed working modes of the dehumidifier 4 are respectively in one-to-one correspondence with the primary initial dehumidification identification, the secondary initial dehumidification identification and the tertiary initial dehumidification identification and are bound to generate a grade reference initial control table, the initial working modes of the dehumidifier 4 are controlled according to the grade reference initial control table, the initial working modes of the dehumidifier 4 are correspondingly controlled according to the initial dehumidification identifications of different levels, the environmental humidity in the box-type transformer station main body can be controlled more accurately, the problem that the humidity change in advance is solved, and the safety of the box-type transformer substation main body of the dehumidifier 4 is controlled in the environment of the box-type transformer station is improved when the dehumidifier is controlled by controlling the grade reference initial dehumidification identification;
example two
As a second embodiment of the present invention, when the present application is specifically implemented, compared with the first embodiment, the technical solution of the present embodiment is different from the first embodiment only in the present embodiment;
acquiring an initial working mode of the dehumidifier 4 from the control judging module, and when the initial working mode of the dehumidifier 4 is a high-speed working mode;
s1: collecting the accumulated water in the water collecting box 2 at intervals of a certain time interval A1, and respectively marking the accumulated water collected continuously for n1 times as B1 11 、B1 21 、……、B1 n1 Wherein n1 is greater than or equal to 1;
s2: obtaining the difference between n1 ponding amounts and marking the difference as C1 respectively 11 、C1 21 、……、C1 n1-1 The method comprises the steps of carrying out a first treatment on the surface of the N 1-1C 1 11 、C1 21 、……、C1 n1-1 Divided by the time interval A1 to obtain a sum of n 1-1C 1 11 、C1 21 、……、C1 n1-1 Corresponding water increasing rates and are respectively marked as D1 11 、D1 21 、……、D1 n1-1 ；
S3: obtaining n1-1 water increasing rates D1 11 、D1 21 、……、D1 n1-1 When the water accumulation rate is greater than or equal to the quantity e1 of the water accumulation rate S1, when the water accumulation rate e1 is greater than or equal to Y3, the water accumulation rate in the water collection box 2 is shown to be in an increasing trend, the water accumulation rate in the water collection box 2 can be estimated to be in an increasing trend, no treatment is performed, when Y3 is greater than e1, the water accumulation rate in the water collection box 2 is shown to be in a decreasing trend, the rainwater precipitation amount can be estimated to be in a decreasing trend, and a deceleration signal is generated;
s4: when a deceleration signal is generated and Y3 > e1 is more than or equal to Y4, regulating and controlling the working mode corresponding to the dehumidifier 4 to be a medium-speed working mode, and when Y4 > e1 is met, regulating and controlling the working mode corresponding to the dehumidifier 4 to be a low-speed working mode, wherein Y3 and Y4 are both preset values, specific values are formulated by related staff according to working experience, and Y3 > Y4;
when the initial working mode of the dehumidifier 4 is a high-speed working mode, collecting the water accumulation in the water collecting box 2 every interval A1, obtaining the water increasing rate corresponding to the difference value between the water accumulation collected for n times continuously, analyzing n1-1 water increasing rates and the water accumulation rate S1 to obtain the change trend of the water increasing rate which is the whole equivalent to the water accumulation rate S1, judging the increase or decrease of the rainwater precipitation according to the change trend, judging the environmental humidity in the box-type substation main body 1 in advance, not performing any treatment when the change trend is in an increasing trend, enabling the dehumidifier 4 to continue to be in a high-speed working mode, generating a deceleration signal when the change trend is in a decreasing trend, further analyzing the water increasing rate when the deceleration signal is generated, regulating the working mode corresponding to the dehumidifier 4 to be in a medium-speed working mode or a low-speed working mode, and achieving the purpose of controlling the corresponding working mode of the dehumidifier 4 according to the water increasing rates of different degrees so as to adjust the working mode of the dehumidifier 4 in time, and enabling the dehumidifier to adapt to the requirements of the environmental humidity change better, and effectively controlling the environmental humidity in the box-type substation 1;
example III
As the third embodiment of the present invention, the present application differs from the first and second embodiments only in the present embodiment when being embodied, compared with the first and second embodiments;
acquiring an initial working mode of the dehumidifier 4 from the control judging module, and when the initial working mode of the dehumidifier 4 is a medium-speed working mode;
s01: collecting the accumulated water in the water collecting box 2 at intervals of a certain time interval A1, and respectively marking the accumulated water collected continuously for n2 times as B2 12 、B2 22 、……、B2 n2 ，n2≥1；
S02: calculating the difference between n2 ponding amounts and marking the difference as C2 respectively 12 、C2 22 、……、C2 n2-1 N 2-1C 2 12 、C2 22 、……、C2 n2-1 Divided by the time interval A1 to obtain a sum of n 2-1C 2 12 、C2 22 、……、C2 n2-1 Corresponding water increasing rates and are respectively marked as D2 1 、D2 2 、……、D2 n2-1 ；
S03: obtaining n2-1 water increasing rates D2 12 、D2 22 、……、D2 n2-1 When e2 is larger than or equal to the quantity e2 of the water accumulation rate S1, the water accumulation rate in the water collection box 2 is indicated to be in an increasing trend, the rising speed signal is generated by presuming that the rainwater precipitation amount is in an increasing trend, and when Y5 is larger than e2, the water accumulation rate in the water collection box 2 is indicated to be in a decreasing trend, the rainwater precipitation amount is presumed to be in a decreasing trend, and the falling speed signal is generated;
s04: when a speed-up signal is generated, regulating and controlling the working mode corresponding to the dehumidifier 4 to be a medium-speed working mode, and when a speed-down signal is generated, regulating and controlling the working mode corresponding to the dehumidifier 4 to be a low-speed working mode, wherein Y5 is a preset value, and specific numerical values are drawn by related staff according to working experience;
when the initial working mode of the dehumidifier 4 is a medium-speed working mode, collecting the water accumulation in the water collecting box 2 every interval A1, obtaining the water increasing rate corresponding to the difference value between the water accumulation collected n2 times continuously, analyzing n2-1 water increasing rates and the water accumulation rate S1 to obtain the change trend of the water increasing rate which is the whole equivalent to the water accumulation rate S1, judging the increase or decrease of the rainfall of the rainwater according to the change trend, judging the environmental humidity in the box-type substation main body 1 in advance, generating an up-speed signal when the change trend is in an increasing trend, regulating the working mode corresponding to the dehumidifier 4 to be a high-speed working mode, generating a down-speed signal when the change trend is in a decreasing trend, and controlling the working mode corresponding to the dehumidifier 4 to be a low-speed working mode, so as to achieve the aim of controlling the corresponding working mode of the dehumidifier 4 according to the water increasing rates of different degrees, and timely adjusting the working mode of the dehumidifier 4 to enable the dehumidifier to better adapt to the requirement of environmental humidity change, thereby achieving the aim of effectively controlling the environmental humidity in the box-type main body 1;
example IV
As an embodiment four of the present invention, in the implementation of the present application, compared with the first embodiment, the second embodiment and the third embodiment, the technical solution of the present embodiment is that the solutions of the first embodiment and the second embodiment are implemented in combination, and the difference between the solutions of the first embodiment and the second embodiment is only in the present embodiment;
acquiring an initial working mode of the dehumidifier 4 from the control judging module, and when the initial working mode of the dehumidifier 4 is a low-speed working mode;
s001: collecting the accumulated water in the water collecting box 2 at intervals of a certain time interval A1, and respectively marking the accumulated water collected for n3 times continuously as B3 13 、B3 23 、……、B3 n3 ，n3≥1；
S002: calculating the difference between n3 ponding amounts and marking it as C3 respectively 13 、C3 23 、……、C3 n3-1 N 3-1C 3 13 、C3 23 、……、C3 n3-1 Divided by the time interval A1 to obtain a sum of n 3-1C 3 13 、C3 23 、……、C3 n3-1 Corresponding water increasing rates and are respectively marked as D3 1 、D3 2 、……、D3 n3-1 ；
S003: obtaining n3-1 water increasing rates D3 13 、D3 23 、……、D3 n3-1 When the number e3 of the water accumulation rate S1 is larger than or equal to the water accumulation rate, when e3 is larger than or equal to Y6, the water accumulation rate in the water collection box 2 is shown to be in an increasing trend, a rising speed signal is generated when the rain water precipitation amount is estimated to be in an increasing trend, when Y6 is larger than e3, the water accumulation rate in the water collection box 2 is shown to be in a decreasing trend, the rain water precipitation amount is estimated to be in a decreasing trend, and no treatment is performed;
s004: when the speed-up signal is generated and Y7 is more than or equal to e3 and is more than or equal to Y6, regulating and controlling the working mode corresponding to the dehumidifier 4 to be a medium-speed working mode, and when e6 is more than or equal to Y7, regulating and controlling the working mode corresponding to the dehumidifier 4 to be a high-speed working mode, wherein Y6 and Y7 are both preset values, and specific values are drawn up by related staff according to working experience, and Y7 is more than Y6;
when the initial working mode of the dehumidifier 4 is a low-speed working mode, collecting the water accumulation in the water collecting box 2 every interval A1, acquiring the water increasing rate corresponding to the difference value between the water accumulation collected n3 times continuously, analyzing n3-1 water increasing rates and the water accumulation rate S1 to acquire the change trend of the water increasing rate which is the whole equivalent to the water accumulation rate S1, judging the increase or decrease of the rainwater precipitation according to the change trend, judging the environmental humidity in the box-type substation main body 1 in advance, and not performing any treatment when the change trend is in a decreasing trend, so that the dehumidifier 4 is kept in the low-speed working mode, generating a rising speed signal when the change trend is in an increasing trend, further analyzing the water increasing rate when the rising speed signal is generated, regulating the working mode corresponding to the dehumidifier 4 to a medium-speed working mode or a high-speed working mode, and achieving the purpose of controlling the corresponding working mode of the dehumidifier 4 according to the water increasing rates of different degrees, so as to adjust the working mode of the dehumidifier 4 in time, and enable the dehumidifier to adapt to the requirements of the environmental humidity change better, and effectively control the environmental humidity in the box-type substation 1;
example five
As an embodiment five of the present invention, in the present application, when the present application is specifically implemented, compared with the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, the technical solution of the present embodiment is to combine and implement the solutions of the first embodiment, the second embodiment, the third embodiment and the fourth embodiment;
according to different initial working modes of the dehumidifier 4, analysis and judgment are carried out on whether the change trend of the water increasing rate of the water collecting quantity in the water collecting box 2 in a period of time is increased or reduced according to different initial working modes of the dehumidifier 4, corresponding speed reducing signals or heating is generated according to analysis results of the dehumidifier 4 in different initial working modes, and the working modes of the dehumidifier 4 in different initial working modes are correspondingly adjusted, so that the dehumidifier 4 can better adapt to the requirement of environmental humidity change, and the purpose of effectively controlling the environmental humidity in the box-type substation main body 1 is achieved.
The above formulas are all formulas with dimensionality removed and numerical calculation, the formulas are formulas with the latest real situation obtained by software simulation through collecting a large amount of data, and preset parameters and threshold selection in the formulas are set by those skilled in the art according to the actual situation.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The intelligent monitoring system for the transformer substation is characterized by comprising a box-type transformer substation main body (1), a water collecting box (2), a water accumulation sensor (3), a dehumidifier (4) and a controller (5), wherein the water collecting box (2) is fixedly arranged on the outer surface of the box-type transformer substation main body (1) and used for collecting rainwater, the water accumulation sensor (3) is fixedly arranged in the water collecting box (2) and used for acquiring real-time data of water accumulation in the water collecting box, the dehumidifier (4) is fixedly arranged on the box-type transformer substation main body (1), and the controller (5) is fixedly arranged on the box-type transformer substation main body (1);
the controller (5) is internally provided with a water accumulation data acquisition module, a water accumulation data analysis module, an initial dehumidification mark generation module, a control judgment module and an initial control table generation module;
the water accumulation data acquisition module is used for acquiring the water accumulation amount in the water collection box (2) when a preset time length T1 passes, marking the water accumulation amount as V1, simultaneously sending the water accumulation amount to the water accumulation data analysis module, wherein the preset time length T1 is the time length from the time when water accumulation begins in the water collection box (2) to the time when the water accumulation amount in the water collection box (2) is acquired, and the T1 is more than or equal to 60s;
the water accumulation data analysis module is used for analyzing the water accumulation in the water collection box (2) and the preset time length T1 when the preset time length T1 passes, so as to obtain an initial water accumulation rate, and the initial water accumulation rate is sent to the initial dehumidification mark generation module, so that the specific mode for obtaining the initial water accumulation rate is as follows: the initial water accumulation rate S1 can be obtained through the formula V1/T1=S1;
the initial dehumidification identification generation module is used for comparing and analyzing the initial water accumulation rate S1 with a preset value Y1 and a preset value Y2, wherein Y1 is larger than Y2, judging and generating an initial dehumidification identification of a corresponding grade according to an analysis result, and sending the initial dehumidification identification to the control judgment module, wherein the initial dehumidification identification comprises a primary initial dehumidification identification, a secondary initial dehumidification identification and a tertiary initial dehumidification identification;
the initial control table generation module is used for binding the primary initial dehumidification identification, the secondary initial dehumidification identification and the tertiary initial dehumidification identification with different working modes of the dehumidifier (4) respectively, so as to generate an initial control table, and simultaneously, the initial control is sent to the control judgment module, and the different working modes of the dehumidifier (4) comprise high-speed, medium-speed and low-speed working modes.
2. The intelligent substation monitoring system according to claim 1, wherein the specific way of generating the initial dehumidification identifier of the corresponding level is:
when the initial water accumulation rate S1 is more than or equal to Y2 and Y2 is more than or equal to Y1, a first-stage initial dehumidification mark is generated, when Y1 is more than or equal to Y2, a second-stage initial dehumidification mark is generated, and when S1 is more than or equal to Y1, a third-stage initial dehumidification mark is generated.
3. The intelligent monitoring system of a transformer substation according to claim 2, wherein the specific way of generating the initial control table is;
binding the primary initial dehumidification identification, the secondary initial dehumidification identification and the tertiary initial dehumidification identification with different working modes of the dehumidifier 4 respectively, namely binding the primary initial dehumidification identification with a low-speed working mode of the dehumidifier 4, binding the secondary initial dehumidification identification with a medium-speed working mode of the dehumidifier 4, and binding the tertiary initial dehumidification identification with a high-speed working mode of the dehumidifier 4 so as to generate an initial control table.
4. A substation intelligent monitoring system according to claim 3, characterized in that the control decision module is configured to refer to the initial control table according to the generated level of the initial dehumidification identifier, extract an operation mode corresponding to the initial dehumidification identifier, and control the initial operation mode of the dehumidifier (4) according to the corresponding operation mode.
5. The intelligent substation monitoring system according to claim 4, wherein the initial operation mode of the dehumidifier (4) is obtained from the control determination module, and when the initial operation mode of the dehumidifier (4) is the high-speed operation mode;
s1: collecting the accumulated water in the water collecting box (2) at intervals of a certain time interval A1, and respectively marking the accumulated water collected continuously for n1 times as B1 11 、B1 21 、……、B1 n1 Wherein n1 is greater than or equal to 1;
s2: obtaining the difference between n1 ponding amounts and marking the difference as C1 respectively 11 、C1 21 、……、C1 n1-1 The method comprises the steps of carrying out a first treatment on the surface of the N 1-1C 1 11 、C1 21 、……、C1 n1-1 Divided by the time interval A1 to obtain a sum of n 1-1C 1 11 、C1 21 、……、C1 n1-1 Corresponding water increasing rates and are respectively marked as D1 11 、D1 21 、……、D1 n1-1 ；
S3: obtaining n1-1 water increasing rates D1 11 、D1 21 、……、D1 n1-1 If the number e1 of the water accumulation rate S1 is larger than or equal to the water accumulation rate S1, if e1 is larger than or equal to Y3, no processing is performed, and if Y3 is larger than e1, a speed reduction signal is generated;
s4: when a deceleration signal is generated and Y3 > e1 is more than or equal to Y4, regulating and controlling the working mode corresponding to the dehumidifier (4) to be a medium-speed working mode, and when Y4 > e1 is met, regulating and controlling the working mode corresponding to the dehumidifier (4) to be a low-speed working mode, wherein Y3 and Y4 are both preset values, and Y3 > Y4.
6. The intelligent substation monitoring system according to claim 4, wherein the initial operation mode of the dehumidifier (4) is obtained from the control determination module, and when the initial operation mode of the dehumidifier (4) is a medium-speed operation mode;
s01: collecting the accumulated water in the water collecting box (2) at intervals of a certain time interval A1, and respectively marking the accumulated water collected continuously for n2 times as B2 12 、B2 22 、……、B2 n2 ，n2≥1；
S02: calculating the difference between n2 ponding amounts and marking the difference as C2 respectively 12 、C2 22 、……、C2 n2-1 N 2-1C 2 12 、C2 22 、……、C2 n2-1 Divided by the time interval A1 to obtain a sum of n 2-1C 2 12 、C2 22 、……、C2 n2-1 Corresponding water increasing rates and are respectively marked as D2 1 、D2 2 、……、D2 n2-1 ；
S03: obtaining n2-1 water increasing rates D2 12 、D2 22 、……、D2 n2-1 The number e2 of the water accumulation rate S1 is larger than or equal to the water accumulation rate, when e2 is larger than or equal to Y5, a speed increasing signal is generated, and when Y5 is larger than e2, a speed decreasing signal is generated;
s04: when the speed-up signal is generated, the working mode corresponding to the dehumidifier (4) is regulated to be a medium-speed working mode, and when the speed-down signal is generated, the working mode corresponding to the dehumidifier (4) is regulated to be a low-speed working mode, wherein Y5 is a preset value.
7. The intelligent substation monitoring system according to claim 4, wherein the initial operation mode of the dehumidifier (4) is obtained from the control determination module, and when the initial operation mode of the dehumidifier (4) is the low-speed operation mode;
s001: collecting the accumulated water in the water collecting box (2) at intervals of a certain time interval A1, and respectively marking the accumulated water collected for n3 times continuously as B3 13 、B3 23 、……、B3 n3 ，n3≥1；
S002: calculating the difference between n3 ponding amounts and marking it as C3 respectively 13 、C3 23 、……、C3 n3-1 N 3-1C 3 13 、C3 23 、……、C3 n3-1 Divided by the time interval A1 to obtain a sum of n 3-1C 3 13 、C3 23 、……、C3 n3-1 Corresponding water increasing rates and are respectively marked as D3 1 、D3 2 、……、D3 n3-1 ；
S003: obtaining n3-1 water increasing rates D3 13 、D3 23 、……、D3 n3-1 If the number e3 of the water accumulation rate S1 is larger than or equal to the number e3, generating a speed increasing signal when the number e3 is larger than or equal to Y6, and not performing any treatment when Y6 is larger than e 3;
s004: when the speed-up signal is generated and Y7 is more than or equal to e3 and is more than or equal to Y6, regulating and controlling the working mode corresponding to the dehumidifier (4) to be a medium-speed working mode, and when e6 is more than or equal to Y7, regulating and controlling the working mode corresponding to the dehumidifier (4) to be a high-speed working mode, wherein Y6 and Y7 are both preset values, and Y7 is more than or equal to Y6.
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