CN112871822A - Automatic cleaning method for electrical cabinet - Google Patents
Automatic cleaning method for electrical cabinet Download PDFInfo
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- CN112871822A CN112871822A CN202011561021.2A CN202011561021A CN112871822A CN 112871822 A CN112871822 A CN 112871822A CN 202011561021 A CN202011561021 A CN 202011561021A CN 112871822 A CN112871822 A CN 112871822A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
Abstract
The invention discloses an automatic cleaning method for an electrical cabinet, and belongs to the field of electrical equipment cleaning. The invention utilizes the electrical cabinets with the same specification to simulate the final cleaning liquid quality required by the condition of meeting the standard requirement by correspondingly cleaning according to the change of the air temperature and the density in the electrical cabinets under the long-term working condition, establishes a simulation database and performs fitting calculation after collecting sufficient simulation information, and is used for guiding the electrical cabinets to be cleaned directly by using sufficient cleaning liquid under various working conditions in the subsequent practice, thereby realizing the rapid cleaning in place and improving the working efficiency. The invention overcomes the problems of high cleaning cost and various inconveniences of the electrical cabinet in the prior art, and provides the automatic cleaning method for the electrical cabinet, which is beneficial to cleaning the electrical cabinet comprehensively and efficiently, reducing the cleaning cost, improving the cleaning efficiency and standardizing the cleaning process.
Description
Technical Field
The invention relates to the technical field of cleaning of electrical equipment, in particular to an automatic cleaning method for an electrical cabinet.
Background
Along with the construction of an intelligent information-based society, an electric power system is rapidly developed and strengthened, an electric cabinet is a basic component for electric current transmission and distribution of the electric power system, is vital to the safety and reliability of the electric power system, and is widely applied to the market at present. However, due to the influence of the working environment of the electrical cabinet, dust is easily accumulated on the electrical cabinet standing for a long time, and the accumulated dust on the surface of the electrical equipment increases the heat dissipation resistance of the electrical equipment, reduces the insulation performance of the electrical equipment, and can cause fire to the electrical equipment in serious cases. Therefore, how to automatically clean the electrical cabinet effectively reduces the failure rate of electrical equipment, improves the safety and stability of the electrical power system, and has important practical significance for the development of social economy.
At present, the common cleaning methods for the electrical cabinet mainly include two methods: one method is manual cleaning, the method has low working efficiency, and the electrical cabinet is easy to be incompletely cleaned due to manual operation; the other is ultrasonic cleaning, which has high cleaning quality, but is not suitable for large-scale application in cleaning of the electric cabinet and has high cost. Therefore, the electrical cabinet is mainly cleaned by adopting a manual cleaning technology in the industry. Therefore, how to design a simple and effective automatic cleaning method for the electrical cabinet according to market demands is a problem which needs to be solved urgently.
Through retrieval, patent application with publication number CN108435678A discloses an intelligent automatic cleaning device, which comprises a proportioning cavity, a cleaning cavity and a conveying mechanism; the cleaning step is to mix out the appropriate proportion washing liquid in the ratio chamber, use in transporting to the washing chamber through conveying mechanism, and utilize cleaner pipeline and clear water pipeline to be connected with water tank and cleaner, conveniently mix out different proportion washing liquid, this application mixes the washing liquid through transferring the proportion-soaking-ultrasonic wave vibrations washing-stoving, has realized high clean automatic cleaning, but is difficult to be applied to fixed electrical equipment and washs.
The patent application with publication number CN109201625A discloses an automatic cleaning device for a motor rotor, which comprises a frame, a feeding mechanism, a deburring mechanism, an ultrasonic cleaning mechanism, a spraying cleaning mechanism and a blow-drying mechanism; the cleaning process is to realize the material transfer through the motor rotor dead weight, realize realizing automatic burring and the automatic material of motor rotor based on burring mechanism and carry, adopt ultrasonic cleaning mechanism, spray the wiper mechanism and weather the mechanism and realize dry to the automatic cleaner in motor rotor surface. The cleaning process of the device is fully automatic without human participation, the reliability and the operation efficiency are greatly improved, but the device is not suitable for cleaning static electrical equipment.
Patent application with publication number CN108134572A discloses an automatic cleaning device for photovoltaic panels, which comprises a rotary brush, a motor and a sprayer; the rotating brush includes: the automatic cleaning device is beneficial to realizing automatic cleaning of the photovoltaic panel in the moving process, but has larger cleaning difficulty for easily conductive equipment.
In summary, how to realize automatic cleaning of the electrical cabinet is still crucial to improving the safe and stable operation of the electrical equipment and reducing the failure rate, and research on the technology in the industry has never been stopped.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to solve the problems of high cleaning cost and various inconveniences of an electrical cabinet in the prior art, and provides an automatic cleaning method for the electrical cabinet, which is beneficial to cleaning the electrical cabinet comprehensively and efficiently, reducing the cleaning cost, improving the cleaning efficiency and standardizing the cleaning process.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses an automatic cleaning method of an electrical cabinet, which comprises the following steps:
s1, simulating initial information acquisition: dividing an internal area of the electrical cabinet into a plurality of grid areas, measuring the air temperature and the air density in each grid area in the electrical cabinet under an initial working state, and making a difference with the external environment of the electrical cabinet, wherein the difference is used as the initial temperature rise of each grid area;
s2, simulating cleaning information acquisition: measuring the temperature and density of each grid area again after a certain time interval, comparing the obtained temperature rise with the initial temperature rise, cleaning the grid area if the error is greater than the standard requirement, detecting the temperature and density again after the cleaning is finished, stopping cleaning until the error between the measured temperature rise and the initial temperature rise is less than the standard requirement, and recording the total mass of the cleaning solution used by the grid area under the working condition;
collecting the quality of the cleaning liquid required by each grid region under different working conditions in a certain measuring period, and performing data fitting calculation by using a fitting formula of
In the formula fi,k(psi, T) is the mass of cleaning fluid required to clean the first grid area, and the units kg, psi, T respectively represent the air temperature in the grid area, and the unit K; and air density in g/cm3；gi,k(xi,k)、gi,k(yi,k) The correlation coefficients respectively represent the air temperature and the density of the grid interval; therefore, the mass range of the cleaning liquid required by each grid area of the electric cabinet under different working conditions is obtained;
and S3, actually cleaning, dividing grid areas of the electrical cabinet to be cleaned, detecting the temperature and density of each grid area, and cleaning the grid areas to be cleaned according to the quality of the fitted cleaning liquid.
Further, in step S2, the mass ranges of the cleaning liquid under different conditions are: psi ≤ psi1，T≤T1When f is presenti,k(ψ,T)≥fi,k(ψ1,T1,)；ψ1<ψ<ψ2，T1＜T≤T2When f is presenti,k(ψ,T)≥fi,k(ψ2,T2)；ψ>ψ2，T>T2When f is presenti,k(ψ,T)≥fi,k(ψ3,T3)。
Furthermore, after the cleaning liquid according to the fitting information is cleaned for the first time in the step S3, the infrared thermal imager is adopted for inspection again, the temperature and density information detection is performed again for the heating grid area, and compared with the initial temperature rise, if the error is smaller than the standard requirement, the cleaning reaches the standard; if the error is still larger than the standard requirement, continuing to clean according to the fitting information; and after multiple rounds of inspection, if the grid area still cannot reach the standard, recording position information to judge the fault of the grid area, and performing subsequent confirmation.
Furthermore, an automatic cleaning device is used for spraying and cleaning, the automatic cleaning device comprises a liquid storage barrel and a cleaning unit, the cleaning unit comprises a transmission belt, two sides of the transmission belt are distributed and conveyed along the height direction, a cross beam is arranged between the transmission belts on the two sides, a plurality of groups of nozzle frames are arranged on the cross beam, at least one nozzle is arranged in each group of nozzle frames, and the transmission belt is used for driving the cross beam and the nozzles to lift along the height direction; and each group of spray head frame is also provided with a temperature sensor and a density sensor.
Furthermore, one side of the transmission belt is also provided with guide rails which are distributed in parallel, the end part of the beam is correspondingly provided with a slide block which is matched with the guide rails, and the beam is lifted along the extension direction of the guide rails.
Furthermore, each group of the nozzle frames on the cross beam is provided with angle adjusting power for driving the nozzle frames to adjust the angle.
Furthermore, the automatic cleaning device further comprises a controller, a data collector and a computer which are sequentially connected, an infrared thermal imager is further arranged on the cross beam, a liquid level alarm and a booster pump are further arranged in the liquid storage barrel, the booster pump is used for supplying liquid to the spray heads on the cross beam, and each group of spray head frames are provided with pipeline electromagnetic valves.
Furthermore, the transmission belt is driven by the transmission gears at two ends, the transmission gears and the opposite contact surfaces of the transmission belt are in meshing transmission, and the end parts of the guide rails at the side edges are also provided with limit switches.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the automatic cleaning method for the electric cabinet, the cleaning area is subjected to grid division, the effect of the cleaning method for one grid area is achieved, the temperature rise abnormal area is subjected to repeated routing inspection, so that the cleaning is guaranteed to reach the standard, the electric cabinet is cleaned finely, the cost is saved, and the failure rate of electric equipment is reduced.
(2) According to the automatic cleaning method for the electric cabinet, simulation data is utilized for analyzing and fitting, the method can be fully applied to guide practice, fitting relational expressions of temperatures and densities of different cleaning grid areas and the quality of the electric insulation cleaning liquid are obtained, the range of the quality of the required cleaning liquid under working conditions of different temperatures and densities is divided, spraying and cleaning can be automatically carried out by adopting a better cleaning amount according to the actual working conditions of the electric cabinet, and the purposes of automatic control, quick cleaning, effect guarantee and efficiency improvement are achieved.
Drawings
FIG. 1 is a schematic flow chart of an electrical cabinet automatic cleaning method according to the present invention;
FIG. 2 is a schematic diagram of the distribution of the region division in the present invention;
FIG. 3 is a schematic view of the cleaning apparatus of the present invention;
FIG. 4 is a schematic structural view of a head adjusting unit according to the present invention;
fig. 5 is a schematic top view of the head adjusting unit according to the present invention.
The reference numerals in the schematic drawings illustrate:
100. a liquid storage barrel; 101. a booster pump; 102. a controller; 103. a limit switch; 104. a data acquisition unit; 105. a computer; 200. a cleaning unit; 201. a transmission belt; 202. a guide rail; 203. a cross beam; 300. a nozzle adjusting unit; 301. a base frame; 302. a mounting seat; 303. a first link; 304. a second link; 305. a third link; 306. a fourth link; 307. a fifth link; 308. a sixth link; 309. a seventh connecting rod; 310. a motor; 311. an output shaft; 312. a first gear; 313. a second gear; 314. a third gear; 315. a connecting shaft; 316. a central shaft; 317. a connecting frame; 320. a nozzle holder; 321. a spray head; 322. a temperature sensor; 323. a density sensor.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1 to 5, an automatic cleaning method for an electrical cabinet of the present embodiment includes the following steps:
s1, collecting information of the simulated initial working condition:
according to the method, under the condition of simulating long-term working state by utilizing the electrical cabinets with the same specification, the final quality of the electrical insulation cleaning liquid required by reaching the standard requirement state is correspondingly cleaned according to the change of the air temperature and the air density in the electrical cabinets, after sufficient simulation information is collected, a simulation database is established and fitting calculation is carried out, so that the electrical cabinets can be directly cleaned by adopting enough cleaning liquid under the working condition of various temperature and density changes in follow-up practice, the rapid cleaning is realized, and the working efficiency is improved.
Preparing a new electrical cabinet of the same type and original factory, which needs to be cleaned, in a laboratory, dividing an internal area of the electrical cabinet into a plurality of grid areas as shown in fig. 2, measuring the air temperature and the air density in each grid area in the electrical cabinet under an initial working state, and making a difference with external environmental data of the electrical cabinet, wherein the difference is used as the initial temperature rise of each grid area; specifically, a temperature sensor and a density sensor are used for measurement;
s2, simulating cleaning information acquisition: after the operation is carried out for a period of time, measuring the temperature and the density of each grid area again at regular time intervals, and making a difference with the external environmental data of the electric cabinet, comparing the obtained temperature rise with the initial temperature rise, if the error is more than 3% (in the embodiment, the standard requirement is that the error is not more than 3%, and the error can be set according to practical requirements), cleaning the grid area by spraying cleaning liquid by using the spray head, detecting the temperature and the density again after the cleaning is finished, stopping the cleaning until the error between the measured temperature rise and the initial temperature rise is less than 3%, and recording the total mass of the cleaning liquid used by the grid area under the working condition;
acquiring the quality of cleaning liquid required by each grid region under different working conditions in a certain measurement period, and performing data fitting calculation, wherein the specific information acquisition interval and the acquisition period are determined according to actual requirements, for example, the measurement time interval of each grid region is more than 1 hour in the embodiment, the measurement period is more than 1 month, namely, each grid region measures temperature and density information once every at least 1 hour, and when the error is not more than 3%, spray cleaning is not performed, and measurement is continued subsequently; when the error is less than 3%, starting cleaning, stopping cleaning until the error is less than 3%, recording the consumed cleaning liquid quality, continuously measuring the information of at least one month, transmitting the information to a computer for fitting, wherein the fitting formula is
In the formula fi,k(psi, T) is the mass of cleaning fluid required to clean the (i, k) th grid area, in kg; psi, T respectively represent the air temperature in the grid area, in units K; and air density in g/cm3；gi,k(xi,k)、gi,k(yi,k) The correlation coefficients respectively represent the air temperature and the density of the grid interval; therefore, the quality range of the cleaning liquid required by each grid region of the electric cabinet under different working conditions is obtained for guiding subsequent practice, and specifically, when psi is less than or equal to psi1，T≤T1When f is greateri,k(ψ,T)≥fi,k(ψ1,T1,)；ψ1<ψ<ψ2，T1＜T≤T2When f is presenti,k(ψ,T)≥fi,k(ψ2,T2)；ψ>ψ2，T>T2When f is presenti,k(ψ,T)≥fi,k(ψ3,T3). The quality of the used cleaning liquid guided can be directly obtained according to the simulated database information, and spray cleaning is carried out according to the quality, so that the cleaning efficiency is rapidly improved. When ψ and T do not satisfy the above conditions at the same time, the quality of the cleaning liquid obtained according to the condition satisfied by ψ and T is higher, so that sufficient cleaning is ensured.
S3, according to the simulation collection and data fitting of the steps, a fitting relation between the temperature and density state in the electric cabinet and the required cleaning liquid is obtained, when the electric cabinet is actually cleaned, grid areas are divided for the electric cabinet to be cleaned, temperature and density detection is carried out on each grid area, and the grid areas to be cleaned are directly cleaned according to the quality of the fitted cleaning liquid.
According to the automatic cleaning method, the cleaning area is subjected to grid division, the effect of a grid area and cleaning method is achieved, repeated routing inspection is carried out on the abnormal temperature rise area, so that the cleaning is guaranteed to reach the standard, fine cleaning of the electrical cabinet is realized, the cost is saved, and the failure rate of electrical equipment is reduced; secondly, the simulation data are utilized to analyze and fit, the method can be fully applied to guide practice, fitting relational expressions of temperatures and densities of different cleaning grid areas and the quality of the electric insulation cleaning liquid are obtained through fitting of a large amount of simulation information, the range of the quality of the required cleaning liquid under different temperature and density working conditions is divided, the cleaning amount with better quality can be automatically adopted to carry out spray cleaning according to the actual working condition of the electric cabinet, the purposes of automatic control, quick cleaning, effect guarantee and efficiency improvement are achieved, the whole process is simple and convenient to operate, the labor intensity is effectively reduced, and the method is suitable for popularization and application.
Example 2
The method for automatically cleaning the electrical cabinet in the embodiment is basically the same as embodiment 1, and further, in the embodiment, after the step S3 is firstly cleaned according to the quality of the cleaning liquid of the fitting information, an infrared thermal imager is additionally adopted to inspect the interior of the electrical cabinet again, temperature and density information detection is performed again for a grid area which is still heating, the temperature rise of the grid area is compared with the initial temperature rise, and if the error is smaller than 3%, the cleaning reaches the standard; if the error is still larger than 3%, continuing to clean according to the quality of the cleaning liquid which is not smaller than the fitting quality, and after 3 times of inspection, recording position information to judge the grid area fault for follow-up operator confirmation. The specific inspection times can be set according to practical requirements. This provides a further accurate control of the cleaning effect.
Example 3
The method for automatically cleaning an electrical cabinet in this embodiment is substantially the same as embodiment 1, and further, in this embodiment, a set of automatic cleaning apparatus is used for spray cleaning, as shown in fig. 3, the automatic cleaning apparatus includes a liquid storage barrel 100 and a cleaning unit 200, the cleaning unit 200 includes a transmission belt 201 which is distributed and conveyed along a height direction on two sides, a cross beam 203 is disposed between the transmission belts 201 on the two sides, a plurality of groups of nozzle holders 320 are disposed on the cross beam 203, at least one nozzle 321 is disposed in each group of nozzle holders 320, and the transmission belt 201 is used for driving the cross beam 203 and the nozzle 321 to ascend and descend along the height direction; each group of the nozzle frames 320 is also provided with a temperature sensor 322 and a density sensor 323, specifically, a temperature sensor and a density sensor for air detection, for detecting the internal environment state of the electrical cabinet. During simulation information acquisition and actual use, place this belt cleaning device in the regulator cubicle, in the one row of grid region that corresponds the regulator cubicle width direction on crossbeam 203, every grid region all corresponds there is a set of or multiunit nozzle frame 320, all be equipped with in every grid region of one row promptly and spray washing with shower nozzle 321, and temperature sensor 322 and density sensor 323 for information detection, drive belt 201 is used for driving crossbeam 203 along direction of height elevating movement, thereby the realization can both carry out information acquisition and spray the washing to the grid region of every row of direction of height promptly.
The automatic cleaning device in the embodiment further comprises a controller 102, a data collector 104 and a computer 105 which are connected in sequence, an infrared thermal imager is further arranged on the cross beam 203 and used for follow-up inspection, a liquid level alarm and a booster pump 101 are further arranged in the liquid storage barrel 100, the booster pump 101 is used for supplying liquid to the spray heads 321 on the cross beam 203, each group of spray head frames 320 are respectively provided with a pipeline electromagnetic valve, so that the cleaning of grid areas needing cleaning can be controlled independently, the liquid level alarm, the booster pump 101, the electromagnetic valves and the like are all electrically connected with the controller 102 and are finally connected to the computer 105 through the data collector 104, program control can be achieved through the manual operation of the computer 105, the circuit connection is designed as a conventional technology, and detailed description is omitted. One side of the transmission belt 201 is also provided with a guide rail 202 which is distributed in parallel, the end part of the cross beam 203 is correspondingly provided with a slide block which is matched with the guide rail 202, and the cross beam 203 ascends and descends along the extending direction of the guide rail 202, so that effective guiding is carried out stably in the ascending and descending process of the cross beam 203. The transmission belt 201 is driven and transmitted by transmission gears at two ends, the transmission gears are driven by a power motor, the power motor is also controlled by the computer 105, and the transmission gears and the opposite contact surfaces of the transmission belt 201 are in meshing transmission, so that the transmission stability is ensured, and the slippage is prevented; the end of the guide rail 202 at the side of the transmission belt 201 is also provided with a limit switch 103 for limiting the lifting limit position of the beam 203. The drive transmission of belt 201 may be accomplished in a variety of conventional manners within the industry and will not be described in detail herein.
The cleaning device of this embodiment, the grid region of cooperation regulator cubicle divides, corresponds the lifting control who sets up crossbeam 203 and send to satisfy and realize solitary operating mode information detection and washing control alone to every grid region homoenergetic, it is convenient to use, easy operation.
Example 4
The method for automatically cleaning an electrical cabinet in this embodiment is basically the same as embodiment 3, and further, in the automatic cleaning device in this embodiment, the cross beam 203 is further provided with a nozzle adjusting unit 300 for adjusting the spraying angle of each group of nozzle holders 320, so that when the spraying cleaning is performed, the spraying angle can be flexibly adjusted, a better spraying effect is achieved, specifically, the nozzle adjusting unit 300 can be driven by a motor, the output shaft end of the motor is connected to the nozzle holders 320, and the nozzle holders 320 can be turned over by controlling the motor to rotate forward and backward, so that the angle change of the spraying cleaning is achieved, and the method is suitable for actual use requirements.
Example 5
An automatic cleaning method for an electrical cabinet in this embodiment is substantially the same as embodiment 4, except that, as shown in fig. 4 and 5, a nozzle adjusting unit 300 on a nozzle holder 320 in this embodiment includes a motor 310, one end of the motor 310 is provided with a seventh connecting rod 309 connected to the nozzle holder 320, the other end of the motor 310 is provided with a worm at the tail of an output shaft 311, the worm is in meshing transmission with a first gear 312, a second gear 313 is coaxially arranged below the first gear 312, the second gear 313 is in meshing transmission with a third gear 314 located on the side, a base frame 301 is further arranged on the cross beam 203, the top end of the base frame 301 is provided with a mounting seat 302, a sixth connecting rod 308 connected to the seventh connecting rod 309 is hinged above the mounting seat 302, and specifically, the sixth connecting rod 308 can be installed by; the bottom of the sixth connecting rod 308 is connected with the output shaft 311 through a fourth connecting rod 306 and a fifth connecting rod 307 in sequence to form a frame surrounding the outer side of the motor 310; one side of the mounting base 302 is further provided with a first connecting rod 303 extending outwards, the end of the first connecting rod 303 is hinged with a second connecting rod 304, the end of the second connecting rod 304 is hinged with a third connecting rod 305, and the end of the third connecting rod 305 is hinged with the bottom of the third gear 314. As shown in fig. 4, a connecting shaft 315 is disposed at the center of the first gear 312 and the second gear 313, a central shaft 316 is disposed at the center of the third gear 314, a connecting frame 317 is connected between the connecting shaft 315 and the central shaft 316, and a connecting frame is disposed around three opposite outer sides of the first gear 312 and the third gear 314. When the shower nozzle bracket is used, the motor 310 drives the worm to rotate, namely the first gear 312, the second gear 313 and the third gear 314 are driven to rotate, the third gear 314 drives the third connecting rod 305 and the second connecting rod 304 to rotate, and finally the seventh connecting rod 309, the motor 310, the output shaft 311, the fourth connecting rod 306, the sixth connecting rod 308 and the like integrally rotate horizontally around a hinge point on the mounting base 302, so that the final angular deflection of the shower nozzle bracket 320 is realized, and the spraying and cleaning angle adjustment is realized. As shown in fig. 5, a plurality of nozzles 321 are connected in parallel in each group of nozzle holders 320, and a liquid inlet main pipe of each group of nozzle holders 320 is provided with an electromagnetic valve.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (8)
1. An automatic cleaning method for an electrical cabinet is characterized by comprising the following steps: the method comprises the following steps:
s1, simulating initial information acquisition: dividing an internal area of the electrical cabinet into a plurality of grid areas, measuring the air temperature and the air density in each grid area in the electrical cabinet under an initial working state, and making a difference with the external environment of the electrical cabinet, wherein the difference is used as the initial temperature rise of each grid area;
s2, simulating cleaning information acquisition: measuring the temperature and density of each grid area again after a certain time interval, comparing the obtained temperature rise with the initial temperature rise, cleaning the grid area if the error is greater than the standard requirement, detecting the temperature and density again after the cleaning is finished, stopping cleaning until the error between the measured temperature rise and the initial temperature rise is less than the standard requirement, and recording the total mass of the cleaning solution used by the grid area under the working condition;
collecting the quality of the cleaning liquid required by each grid region under different working conditions in a certain measuring period, and performing data fitting calculation by using a fitting formula of
In the formula fi,k(psi, T) is the mass of cleaning fluid required to clean the (i, K) th grid area, and the units kg, psi, T respectively represent the air temperature in the grid area and the unit K; and air density in g/cm3；gi,k(xi,k)、gi,k(yi,k) The correlation coefficients respectively represent the air temperature and the density of the grid interval; therefore, the mass range of the cleaning liquid required by each grid area of the electric cabinet under different working conditions is obtained;
and S3, actually cleaning, dividing grid areas of the electrical cabinet to be cleaned, detecting the temperature and density of each grid area, and cleaning the grid areas to be cleaned according to the quality of the fitted cleaning liquid.
2. The automatic cleaning method for the electric cabinet according to claim 1, characterized in that: in step S2, the mass ranges of the cleaning liquid under different conditions are: psi ≤ psi1，T≤T1When f is presenti,k(ψ,T)≥fi,k(ψ1,T1,)；ψ1<ψ<ψ2，T1＜T≤T2When f is presenti,k(ψ,T)≥fi,k(ψ2,T2)；ψ>ψ2，T>T2When f is presenti,k(ψ,T)≥fi,k(ψ3,T3)。
3. The automatic cleaning method for the electric cabinet according to claim 1, characterized in that: after cleaning liquid quality according to the fitting information is cleaned for the first time in the step S3, an infrared thermal imager is adopted for inspection again, temperature and density information detection is carried out again aiming at the heating grid area, and compared with the initial temperature rise, if the error is smaller than the standard requirement, the cleaning reaches the standard; if the error is still larger than the standard requirement, continuing to clean according to the fitting information; and after multiple rounds of inspection, if the grid area still cannot reach the standard, recording position information to judge the fault of the grid area, and performing subsequent confirmation.
4. The automatic cleaning method for the electric cabinet according to claim 1, characterized in that: the automatic cleaning device is used for spraying and cleaning and comprises a liquid storage barrel (100) and a cleaning unit (200), wherein the cleaning unit (200) comprises transmission belts (201) which are distributed and conveyed along the height direction on two sides, a cross beam (203) is arranged between the transmission belts (201) on the two sides, a plurality of groups of nozzle frames (320) are arranged on the cross beam (203), at least one nozzle (321) is arranged in each group of nozzle frames (320), and the transmission belts (201) are used for driving the cross beam (203) and the nozzles (321) to lift along the height direction; each group of spray head frames (320) is also provided with a temperature sensor (322) and a density sensor (323).
5. The automatic cleaning method for the electric cabinet according to claim 4, characterized in that: one side of the transmission belt (201) is also provided with guide rails (202) which are distributed in parallel, the end part of the cross beam (203) is correspondingly provided with a slide block which is matched with the guide rails (202), and the cross beam (203) is lifted along the extension direction of the guide rails (202).
6. The automatic cleaning method for the electric cabinet according to claim 4, characterized in that: and each group of spray head frames (320) on the cross beam (203) is provided with angle adjusting power for driving the spray head frames (320) to adjust the angles.
7. The automatic cleaning method for the electric cabinet according to claim 4, characterized in that: the automatic cleaning device further comprises a controller (102), a data collector (104) and a computer (105) which are sequentially connected, an infrared thermal imager is further arranged on the cross beam (203), a liquid level alarm and a booster pump (101) are further arranged in the liquid storage barrel (100), the booster pump (101) is used for supplying liquid to spray heads (321) on the cross beam (203), and each group of spray head frames (320) are respectively provided with a pipeline electromagnetic valve.
8. The automatic cleaning method for the electric cabinet according to claim 5, characterized in that: the transmission belt (201) is driven and transmitted by transmission gears at two ends, the transmission gears and the opposite contact surfaces of the transmission belt (201) are in meshing transmission, and the end parts of the guide rails (202) at the side edges are also provided with limit switches (103).
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012973A (en) * | 2010-12-07 | 2011-04-13 | 北京航空航天大学 | Human body thermal simulation modeling method suitable for complex space environment |
| CN102032956A (en) * | 2010-11-23 | 2011-04-27 | 上海交通大学 | Method for measuring heat absorbed by boiler water cooled wall in real time |
| CN102384955A (en) * | 2010-09-01 | 2012-03-21 | 北京北大维信生物科技有限公司 | Method for realizing quantitative analysis on Lovastatin acid and HMG-CoA reductase inhibitor in human plasma |
| CN107967376A (en) * | 2017-10-30 | 2018-04-27 | 钢铁研究总院 | The T-shaped bilateral interval numerical simulation of welding processes computational methods of steel aluminium transit joint |
| US20190039367A1 (en) * | 2016-12-21 | 2019-02-07 | Hewlett-Packard Development Company, L.P. | Extracting 3d objects |
| CN111786280A (en) * | 2020-07-17 | 2020-10-16 | 深圳宏伟时代自控有限公司 | Low-voltage electrical cabinet with waterproof protection structure |
-
2020
- 2020-12-25 CN CN202011561021.2A patent/CN112871822A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384955A (en) * | 2010-09-01 | 2012-03-21 | 北京北大维信生物科技有限公司 | Method for realizing quantitative analysis on Lovastatin acid and HMG-CoA reductase inhibitor in human plasma |
| CN102032956A (en) * | 2010-11-23 | 2011-04-27 | 上海交通大学 | Method for measuring heat absorbed by boiler water cooled wall in real time |
| CN102012973A (en) * | 2010-12-07 | 2011-04-13 | 北京航空航天大学 | Human body thermal simulation modeling method suitable for complex space environment |
| US20190039367A1 (en) * | 2016-12-21 | 2019-02-07 | Hewlett-Packard Development Company, L.P. | Extracting 3d objects |
| CN107967376A (en) * | 2017-10-30 | 2018-04-27 | 钢铁研究总院 | The T-shaped bilateral interval numerical simulation of welding processes computational methods of steel aluminium transit joint |
| CN111786280A (en) * | 2020-07-17 | 2020-10-16 | 深圳宏伟时代自控有限公司 | Low-voltage electrical cabinet with waterproof protection structure |
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Application publication date: 20210601 |