CN112916480A - Cleaning method and cleaning assembly for heat dissipation air duct of waterproof charging pile - Google Patents
Cleaning method and cleaning assembly for heat dissipation air duct of waterproof charging pile Download PDFInfo
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- CN112916480A CN112916480A CN202110063877.5A CN202110063877A CN112916480A CN 112916480 A CN112916480 A CN 112916480A CN 202110063877 A CN202110063877 A CN 202110063877A CN 112916480 A CN112916480 A CN 112916480A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 199
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 239000007921 spray Substances 0.000 claims abstract description 30
- 229920000742 Cotton Polymers 0.000 claims description 37
- 239000000428 dust Substances 0.000 claims description 17
- 239000010865 sewage Substances 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0012—In-line filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
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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
Abstract
The invention discloses a cleaning method of a heat dissipation air duct of a waterproof charging pile. According to the cleaning method, when the preset cleaning condition is met, the automatic cleaning of the air inlet dustproof piece is realized by automatically controlling the cleaning mechanism to spray cleaning liquid, so that the cleaning work of the air inlet dustproof piece is free from dependence on maintenance personnel, the labor intensity and the labor cost are reduced, and the cleaning efficiency of the air inlet dustproof piece is improved; because the automation is realized, the air inlet dustproof piece can be effectively cleaned in time, and the replacement period of the air inlet dustproof piece is delayed, so that the labor intensity and the labor cost are further reduced. The invention also discloses a cleaning assembly of the heat dissipation air duct of the waterproof charging pile.
Description
Technical Field
The invention relates to the technical field of charging pile design and production, in particular to a cleaning method and a cleaning assembly for a heat dissipation air duct of a waterproof charging pile.
Background
Along with the rapid development of new energy automobile technique, fill electric pile and also become the corollary equipment that must build fast, the electric pile of filling of great proportion is installed in the open air, and the outdoor work occasion has brought great challenge for the heat dissipation and the dustproof of filling electric pile.
As shown in fig. 1, a power module and a fan are arranged in a heat dissipation air duct of the charging pile, the fan enables an air flow continuously flowing from an air inlet to an air outlet to be formed in the heat dissipation air duct, and the air flow passing through the power module takes away heat on the power module, so that the purpose of dissipating heat of the power module is achieved; in order to avoid impurities such as dust from entering the heat dissipation air duct, the positions of the air inlet and the air outlet of the heat dissipation air duct are respectively provided with dustproof cotton, and along with the normal working time, the dustproof cotton at the air inlet can quickly accumulate dust, so that the heat dissipation air duct is blocked.
At present, the cleanness and the change of dustproof cotton mainly rely on the regular maintenance and the change of fortune dimension personnel, and artifical maintenance is wasted time and energy, and not only the cost of labor is high, but also the untimely condition of maintenance can appear, and this probably leads to filling electric pile trouble and even damage.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a cleaning method for a heat dissipation air duct of a waterproof charging pile, so as to improve the current situation that air inlet dust-proof cotton of the current heat dissipation air duct depends on manual maintenance and replacement, effectively improve the cleaning efficiency of the heat dissipation air duct and reduce the labor intensity and labor cost of workers on the premise of ensuring the reliable operation of the waterproof charging pile.
The invention also aims to provide a cleaning assembly of the heat dissipation air duct of the waterproof charging pile.
In order to achieve the purpose, the invention provides the following technical scheme:
a cleaning method of a heat dissipation air duct of a waterproof charging pile is characterized in that a cleaning mechanism is controlled to spray cleaning liquid when preset cleaning conditions are met, the cleaning liquid can at least clean an air inlet dustproof piece at an air inlet of the heat dissipation air duct, and the flowing direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dustproof piece.
Preferably, when the preset cleaning condition is met, the cleaning liquid is sprayed into the heat dissipation air duct, and flows through the radiator, the waterproof fan and the air inlet dustproof piece in sequence.
Preferably, the current actual temperature of the radiator in the radiating air duct is T, and the current actual environment temperature is ThThe upper limit of normal temperature corresponding to the current rotating speed of the waterproof fan in the heat dissipation air duct is T0The preset cleaning conditions are as follows: t > T0Exceeds a preset time limit t.
Preferably, the period of time for which the washing liquid is sprayed is a preset time when the preset cleaning condition is satisfied.
Preferably, the current actual ambient temperature is ThThe preset high-temperature operating temperature is TgThe preset cleaning conditions are as follows: t ish＞Tg。
Preferably, the air inlet dustproof piece is dustproof cotton.
The cleaning assembly of the heat dissipation air duct of the waterproof charging pile comprises the heat dissipation air duct, a cleaning mechanism and a control module, wherein the cleaning mechanism and the control module are arranged in the heat dissipation air duct,
the heat dissipation air channel is in heat exchange contact with and sealed and isolated from an electric box of the waterproof charging pile, a radiator and a waterproof fan are arranged in the heat dissipation air channel, and an air inlet dustproof piece is arranged at an air inlet of the heat dissipation air channel;
the cleaning mechanism comprises a cleaning pipe which is connected with the cleaning liquid supply end and can spray the cleaning liquid, and a switch valve arranged on the cleaning pipe;
the control module is used for controlling the switch valve to be opened when the preset cleaning condition is met, so that the cleaning pipe sprays cleaning liquid, the cleaning liquid can at least clean the air inlet dustproof piece, and the flowing direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dustproof piece.
Preferably, the air inlet direction of the air inlet of the heat dissipation air duct is as follows: from bottom to top along vertical direction, the scavenge pipe sets up the top of air inlet dust keeper.
Preferably, the heat dissipation air duct is arranged along a vertical direction, and the air inlet dust-proof piece, the waterproof fan, the radiator and the air outlet dust-proof piece are sequentially arranged from the air inlet to the air outlet, wherein,
the air outlet dustproof piece is arranged on the air outlet, the cleaning pipe is arranged between the air outlet dustproof piece and the radiator, and the cleaning pipe sprays cleaning liquid downwards.
Preferably, the cleaning pipe is provided with an injection hole, or the cleaning pipe is provided with a nozzle.
Preferably, a sewage collecting tank and a drain pipe communicated with the sewage collecting tank are arranged below the heat dissipation air pipeline.
Preferably, the air inlet dustproof piece is air inlet dustproof cotton, and the air outlet dustproof piece is air outlet dustproof cotton.
Preferably, the heat dissipation device further comprises a first temperature sensor and a second temperature sensor, the first temperature sensor is arranged in the heat dissipation air duct and is used for detecting the current actual temperature T of the heat sink, and the second temperature sensor is arranged outside the heat dissipation air duct and is used for detecting the current actual environment temperature ThA rotating speed sensor is arranged in the waterproof fan;
at the current ambient temperature ThIn the meantime, the upper limit of the normal temperature corresponding to the current rotating speed of the waterproof fan in the heat dissipation air duct is T0The preset cleaning conditions are as follows: t > T0Exceeds a preset time limit t.
Preferably, the device also comprises a device which is arranged outside the heat dissipation air duct and is used for detecting the current actual environment temperature ThThe second temperature sensor presets the high-temperature operation temperature as TgThe preset cleaning conditions are as follows: t ish＞Tg。
Preferably, the heat sink is a fin.
Preferably, the cleaning liquid is water.
According to the cleaning method for the heat dissipation air duct of the waterproof charging pile, disclosed by the invention, the cleaning liquid is sprayed when the preset cleaning condition is met, the cleaning liquid can at least clean the air inlet dustproof piece at the air inlet of the heat dissipation air duct, and the flowing direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dustproof piece.
In the cleaning method, as long as the preset cleaning condition is met, the cleaning mechanism is controlled to automatically spray the cleaning liquid, the air inlet dustproof piece at the air inlet is cleaned through the cleaning liquid, the flowing direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dustproof piece, and impurities such as dust and the like adhered to the air inlet dustproof piece can be effectively removed, so that the air inlet dustproof cotton achieves an ideal cleaning effect.
According to the cleaning method of the heat dissipation air duct of the waterproof charging pile, disclosed by the invention, when the preset cleaning condition is met, the automatic cleaning of the air inlet dustproof piece is realized in a manner of automatically controlling the cleaning mechanism to spray cleaning liquid, so that the cleaning work of the air inlet dustproof piece is free from dependence on maintenance personnel, the labor intensity and labor cost of workers are reduced, and the cleaning efficiency of the air inlet dustproof piece is improved; because the automation is realized, the air inlet dustproof piece can be effectively cleaned in time, and the replacement period of the air inlet dustproof piece is delayed, so that the labor intensity and the labor cost are further reduced.
The cleaning assembly for the heat dissipation air duct of the waterproof charging pile disclosed by the invention can achieve the effects as well, and the cleaning assembly can be understood by those skilled in the art by referring to the description, and the details are not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating a heat dissipation principle of a heat dissipation air duct of a charging pile in the prior art;
fig. 2 is a schematic flow chart of a method for cleaning a heat dissipation air duct of the waterproof charging pile disclosed in the embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating a heat dissipation principle of a heat dissipation air duct of the waterproof charging pile disclosed in the embodiment of the present invention;
FIG. 4 is a schematic illustration of a cleaning assembly disclosed in an embodiment of the present invention.
The drawings are numbered as follows:
1 is the ground, 2 is the cleaning tube, 3 is the shower nozzle, 4 is the sewage collecting tank.
Detailed Description
One of the cores of the invention is to provide a cleaning method for a heat dissipation air duct of a waterproof charging pile, so that the current situation that the air inlet dustproof cotton of the existing heat dissipation air duct depends on manual maintenance and replacement can be improved, the cleaning efficiency of the heat dissipation air duct is effectively improved, and the labor intensity and labor cost of workers are reduced on the premise of ensuring the reliable work of the waterproof charging pile.
The other core of the invention also provides a cleaning assembly of the heat dissipation air duct of the waterproof charging pile.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2, in the cleaning method for the heat dissipation air duct of the waterproof charging pile disclosed in this embodiment, when a preset cleaning condition is met, the cleaning mechanism is controlled to spray cleaning liquid, the cleaning liquid sprayed by the cleaning mechanism can at least clean the dust-proof piece at the air inlet of the heat dissipation air duct, and the flow direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dust-proof piece.
It should be noted that, in the embodiment of the present invention, an air inlet dustproof member is disposed at an air inlet of the heat dissipation air duct, an air outlet dustproof member is disposed at an air outlet, and the air inlet dustproof member and the air outlet dustproof member may be selected in various ways, for example, the air inlet dustproof member may be air inlet dustproof cotton or an air inlet filter plate, and the air outlet dustproof member may also be air outlet dustproof cotton or an air outlet filter plate.
In the following embodiments, the air inlet dust-proof piece is used as the air inlet dust-proof cotton, and the air outlet dust-proof piece is used as the air outlet dust-proof cotton.
The technical personnel in the field can understand that when the preset cleaning condition is met, the automatic cleaning of the air inlet dustproof cotton is realized by automatically controlling the cleaning mechanism to spray cleaning liquid, so that the cleaning work of the air inlet dustproof cotton is free from dependence on maintenance personnel, the labor intensity and labor cost are reduced, and the cleaning efficiency of the air inlet dustproof cotton is improved; because the automation is realized, the air inlet dustproof cotton can be effectively cleaned in time, and the replacement period of the air inlet dustproof cotton is delayed, so that the labor intensity and the labor cost are further reduced.
More specifically, when the preset cleaning condition is met, the cleaning method disclosed in the embodiment specifically sprays cleaning liquid into the heat dissipation air duct, and the cleaning liquid sequentially flows through the radiator, the fan blades of the waterproof fan, and the air inlet dustproof cotton. That is to say, the washing liquid that erupts by wiper mechanism washs radiator, waterproof fan's flabellum and the dustproof cotton of air inlet in proper order, and this just can realize the holistic cleanness of heat dissipation wind channel.
It should be noted that, in the embodiment of the present invention, the waterproof performance of the waterproof charging pile at least should reach above the IP65 level, and the waterproof performance of the waterproof fan should reach above the IP67 level, actually, the electrical box of the waterproof charging pile and the heat dissipation air duct in the embodiment of the present invention are separately disposed, heat of electrical components in the electrical box can be transferred to the heat sink in the heat dissipation air duct, but the heat dissipation air duct and the electrical box are sealed and isolated, that is, the cleaning solution (e.g., water) in the heat dissipation air duct cannot enter into the electrical box.
It will be understood by those skilled in the art that the preset cleaning conditions may be varied, and in the present embodimentIn the embodiment, the current actual temperature of the heat sink in the heat dissipation air duct is T, and the current actual environment temperature is ThThe upper limit value of the normal temperature corresponding to the current rotating speed of the waterproof fan in the heat dissipation air duct is T0The preset cleaning conditions are specifically as follows: t > T0The duration of the time period t exceeds the preset time limit t, the value of the preset time limit t is not unique, and those skilled in the art can perform adaptive adjustment according to actual conditions, for example, the value of t may be 3 minutes, 5 minutes or 8 minutes, and of course, the value of t may also be other values than the above-mentioned values.
It should be noted that, the corresponding relationship among the environmental temperature, the rotation speed of the waterproof fan and the temperature of the heat sink is collected before the product leaves the factory, if the actual temperature of the heat sink continuously exceeds the upper limit value of the normal temperature corresponding to the current rotation speed of the waterproof fan (the normal temperature corresponding to a certain rotation speed of the waterproof fan is a range, and the maximum value of the range is the upper limit value), at this moment, the heat dissipation air duct has poor heat dissipation and the possibility that the inlet air dust-proof cotton is blocked by the impurities such as dust is very high, and at this moment, the cleaning mechanism should be controlled to spray cleaning liquid to clean the heat dissipation air duct, and under the condition, the spraying preset time of the cleaning mechanism can be controlled, and then stopping spraying the cleaning agent, continuously judging whether preset cleaning conditions are met, if so, continuously spraying the cleaning agent, and otherwise, controlling the cleaning mechanism to stop spraying the cleaning agent. It should be understood that the preset time is not the only determined time and can be adapted as desired by one skilled in the art.
Alternatively, the current actual ambient temperature is ThThe preset high-temperature operating temperature is TgThen, the preset cleaning condition may also be: t ish＞TgAnd the technical personnel in the field can preset the high-temperature operation temperature T according to different working areas of the waterproof charging pilegAdjustment is made, it being understood that when the ambient temperature is higher than the preset high temperature operating temperature TgDuring the time, then can regard as waterproof electric pile that fills to move under high temperature environment, need have good heat dissipation this moment and just can realize waterproof reliable work that fills electric pile, and wiper mechanism sprays washing liquid and can clean heat dissipation wind on the one handWay, improve the radiating efficiency, on the other hand can also directly help the radiator cooling, guarantees that waterproof electric pile that fills also can reliable work under high temperature, and under this kind of condition, wiper mechanism continues to spray the washing liquid in to the heat dissipation wind channel, until: t ish≤TgAnd then stopping to ensure the reliability of the waterproof charging pile working at high temperature.
In one embodiment, the actual wind speed in the heat dissipation air duct is V1The lower limit value of the normal wind speed corresponding to the current rotating speed of the waterproof fan in the heat dissipation air duct is V0The preset cleaning conditions are specifically as follows: v1＜V0The duration of the time period t exceeds the preset time limit t, the value of the preset time limit t is not unique, and those skilled in the art can perform adaptive adjustment according to actual conditions, for example, the value of t may be 3 minutes, 5 minutes or 8 minutes, and of course, the value of t may also be other values than the above-mentioned values.
It should be noted that, the corresponding relationship between the rotation speed of the waterproof fan and the actual wind speed in the heat dissipation air duct is collected before the product leaves the factory, and if the wind speed in the heat dissipation air duct is continuously lower than the lower limit value of the normal wind speed corresponding to the current rotation speed of the waterproof fan (the wind speed corresponding to a certain rotation speed of the waterproof fan is a range, and the minimum value of the range is the lower limit value), it is indicated that the heat dissipation of the heat dissipation air duct is poor at this time, and the possibility that the inlet air dust-proof cotton is blocked by impurities such as dust is very high, and at this time, the cleaning mechanism should be controlled to spray the cleaning liquid to clean.
Referring to fig. 3 and 4, the embodiment of the invention further discloses a cleaning assembly of a heat dissipation air duct of the waterproof charging pile, the cleaning assembly comprises the heat dissipation air duct, a control module and a cleaning mechanism arranged in the heat dissipation air duct, wherein the heat dissipation air duct is in heat exchange contact with and sealed and isolated from an electrical box of the waterproof charging pile, a radiator and a waterproof fan are arranged in the heat dissipation air duct, air inlets of the heat dissipation air duct are provided with air inlet dustproof cotton, the cleaning mechanism comprises a cleaning pipe 2 which is connected with a cleaning liquid supply end and can spray cleaning liquid, the cleaning pipe 2 is further provided with a switch valve, the control module is used for controlling the switch valve to be opened when a preset cleaning condition is met, so that the cleaning pipe 2 sprays cleaning liquid, the cleaning liquid can at least clean the air inlet dustproof cotton, and the flow direction of the cleaning liquid.
It can be seen that, in the cleaning assembly of the heat dissipation air duct of the waterproof charging pile disclosed in the above embodiment, when the preset condition is met, the control module controls the switch valve to open, so that the cleaning pipe 2 automatically sprays the cleaning liquid, the cleaning liquid can at least clean the air inlet dust-proof cotton, and the flow direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dust-proof cotton, the cleaning assembly realizes automatic cleaning of the air inlet dust-proof piece, so that the cleaning work of the air inlet dust-proof piece gets rid of dependence on maintenance personnel, the labor intensity and the labor cost are reduced, and the cleaning efficiency of the air inlet dust-proof piece is improved; because the automation is realized, the air inlet dustproof piece can be effectively cleaned in time, and the replacement period of the air inlet dustproof piece is delayed, so that the labor intensity and the labor cost are further reduced.
Referring to fig. 3 and 4, in the embodiment of the present invention, the air inlet direction of the air inlet of the heat dissipation air duct is from bottom to top, the cleaning pipe 2 is disposed above the air inlet dust cotton, and the cleaning pipe 2 can clean all components in the heat dissipation air duct except the air outlet dust cotton; as a preferred mode, the heat dissipation air duct is arranged along the vertical direction, as shown in fig. 3, from the air inlet to the air outlet, there are even air inlet dust-proof cotton, waterproof fan, radiator and air outlet dust-proof cotton in the heat dissipation air duct in sequence, the air outlet dust-proof cotton is disposed on the air outlet, the cleaning pipe 2 is disposed between the air outlet dust-proof cotton and the radiator, and the cleaning pipe 2 sprays the cleaning liquid downward.
The cleaning liquid can clean the whole of the waterproof fan, or only clean the fan blades of the waterproof fan, and the radiator preferably has radiating fins, or certainly can be a radiating pipe or a radiating plate.
In one embodiment, the spraying of the cleaning liquid may be achieved by directly forming a spray opening in the cleaning pipe 2, and in another embodiment, the spraying of the cleaning liquid may be achieved by installing a spray head 3 in the cleaning pipe 2.
As shown in fig. 2, in order to avoid accumulation of sewage, the cleaning assembly disclosed in this embodiment further includes a sewage draining system, the sewage draining system specifically includes a sewage collecting tank 4 disposed below the heat dissipation air duct and a drain pipe communicated with the sewage collecting tank 4, the sewage collecting tank 4 is configured to collect sewage flowing down from the heat dissipation air duct, and the drain pipe is configured to drain away sewage in the sewage collecting tank 4.
It will be appreciated that in the cleaning assembly disclosed in this embodiment, there are also more than one preset cleaning conditions, such as:
in one aspect, the cleaning assembly further includes a first temperature sensor disposed in the heat dissipation air duct and configured to detect a current actual temperature T of the heat sink, and a second temperature sensor disposed outside the heat dissipation air duct and configured to detect a current actual ambient temperature ThA rotating speed sensor is arranged in the waterproof fan;
at the current ambient temperature ThIn the meantime, the upper limit of the normal temperature corresponding to the current rotating speed of the waterproof fan in the heat dissipation air duct is T0The preset cleaning conditions are as follows: t > T0The duration of the time period t exceeds the preset time limit t, the value of the preset time limit t is not unique, and those skilled in the art can perform adaptive adjustment according to actual conditions, for example, the value of t may be 3 minutes, 5 minutes or 8 minutes, and of course, the value of t may also be other values than the above-mentioned values.
It should be noted that, the corresponding relationship among the environmental temperature, the rotation speed of the waterproof fan and the temperature of the heat sink is collected before the product leaves factory, if the actual temperature of the heat sink continuously exceeds the upper limit value of the normal temperature corresponding to the current rotation speed of the waterproof fan (the normal temperature corresponding to a certain rotation speed of the waterproof fan is a range, and the maximum value of the range is the upper limit value), it is indicated that the heat dissipation of the heat dissipation duct is not good at this time, the possibility that the inlet air dust-proof cotton is blocked by the impurities such as dust is high, at this time, the switch valve should be controlled to be opened to clean the heat dissipation duct, in this case, the time that the switch valve is continuously kept in the open state is the preset time, then the cleaning agent is stopped to be sprayed, and whether the preset cleaning condition is met or not is continuously judged, if yes, the cleaning agent is continuously sprayed, to stop spraying the cleaning liquid. It should be understood that the preset time is not the only determined time and can be adapted as desired by one skilled in the art.
In another case, the cleaning assembly further comprises a sensor disposed outside the heat dissipation air duct and used for detecting the current actual environment temperature ThThe second temperature sensor presets the high-temperature operation temperature as TgThe preset cleaning conditions are as follows: t ish＞Tg. The technical personnel in the field can preset the high-temperature operation temperature T according to the different working areas of the waterproof charging pilegAdjustment is made, it being understood that when the ambient temperature is higher than the preset high temperature operating temperature TgDuring, then can regard waterproof electric pile that fills to move under high temperature environment, need have good heat dissipation this moment and just can realize the reliable work of waterproof electric pile that fills, and wiper mechanism sprays the washing liquid and can clean the heat dissipation wind channel on the one hand, improves the radiating efficiency, and on the other hand can also directly help the radiator cooling, guarantees that waterproof electric pile that fills also can reliably work under high temperature, and under this kind of condition, wiper mechanism continues to spray the washing liquid in to the heat dissipation wind channel, until: t ish≤TgAnd then stopping to ensure the reliability of the waterproof charging pile working at high temperature.
Of course, a person skilled in the art may also set a wind speed sensor in the heat dissipation air duct, where the actual wind speed in the heat dissipation air duct is V1The lower limit value of the normal wind speed corresponding to the current rotating speed of the waterproof fan in the heat dissipation air duct is V0The preset cleaning conditions are specifically as follows: v1＜V0The duration of the time period t exceeds the preset time limit t, the value of the preset time limit t is not unique, and those skilled in the art can perform adaptive adjustment according to actual conditions, for example, the value of t may be 3 minutes, 5 minutes or 8 minutes, and of course, the value of t may also be other values than the above-mentioned values.
It should be noted that, the corresponding relationship between the rotation speed of the waterproof fan and the actual wind speed in the heat dissipation air duct is collected before the product leaves the factory, and if the wind speed in the heat dissipation air duct is continuously lower than the lower limit value of the normal wind speed corresponding to the current rotation speed of the waterproof fan (the wind speed corresponding to a certain rotation speed of the waterproof fan is a range, and the minimum value of the range is the lower limit value), it is indicated that the heat dissipation of the heat dissipation air duct is poor at this time, and the possibility that the inlet air dust-proof cotton is blocked by impurities such as dust is very high, and at this time, the cleaning mechanism should be controlled to spray the cleaning liquid to clean.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (15)
1. The cleaning method is characterized in that a cleaning mechanism is controlled to spray cleaning liquid when preset cleaning conditions are met, the cleaning liquid can at least clean an air inlet dustproof piece at an air inlet of the heat dissipation air channel, and the flowing direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dustproof piece.
2. The cleaning method according to claim 1, wherein when the preset cleaning condition is met, the cleaning liquid is sprayed into the heat-dissipation air duct, and the cleaning liquid sequentially flows through a radiator, a waterproof fan and the air inlet dust-proof member.
3. The cleaning method according to any one of claims 1-2, characterized in thatThe current actual temperature of the radiator in the radiating air duct is T, and the current actual environment temperature is ThThe upper limit of normal temperature corresponding to the current rotating speed of the waterproof fan in the heat dissipation air duct is T0The preset cleaning conditions are as follows: t > T0Exceeds a preset time limit t.
4. The cleaning method according to claim 3, wherein the period of time for which the cleaning liquid is sprayed is a preset time when a preset cleaning condition is satisfied.
5. Cleaning method according to claim 1 or 2, characterized in that the current actual ambient temperature is ThThe preset high-temperature operating temperature is TgThe preset cleaning conditions are as follows: t ish＞Tg。
6. The cleaning method of claim 1, wherein the air intake dust guard is dust cotton.
7. A cleaning assembly for a heat dissipation air duct of a waterproof charging pile is characterized by comprising the heat dissipation air duct, a cleaning mechanism and a control module, wherein the cleaning mechanism and the control module are arranged in the heat dissipation air duct,
the heat dissipation air channel is in heat exchange contact with and sealed and isolated from an electric box of the waterproof charging pile, a radiator and a waterproof fan are arranged in the heat dissipation air channel, and an air inlet dustproof piece is arranged at an air inlet of the heat dissipation air channel;
the cleaning mechanism comprises a cleaning pipe (2) which is connected with a cleaning liquid supply end and can spray cleaning liquid, and a switch valve arranged on the cleaning pipe (2);
the control module is used for controlling the switch valve to be opened when the preset cleaning condition is met, so that the cleaning pipe (2) sprays cleaning liquid, the cleaning liquid can at least clean the air inlet dustproof piece, and the flowing direction of the cleaning liquid is opposite to the air inlet direction of the air inlet dustproof piece.
8. The cleaning assembly of claim 7, wherein the air inlet direction of the air inlet of the heat dissipation air duct is: along vertical direction from bottom to top, scavenge pipe (2) set up the top of air inlet dust keeper.
9. The cleaning assembly of claim 8, wherein the heat dissipation air duct is arranged along a vertical direction, and the air inlet dust-proof member, the waterproof fan, the heat sink and the air outlet dust-proof member are sequentially disposed from the air inlet to the air outlet,
the air outlet dustproof piece is arranged on the air outlet, the cleaning pipe (2) is arranged between the air outlet dustproof piece and the radiator, and the cleaning pipe (2) sprays cleaning liquid downwards.
10. The cleaning assembly according to any one of claims 7 to 9, wherein the cleaning tube (2) is provided with spray holes or the cleaning tube (2) is provided with spray heads (3).
11. The cleaning assembly according to claim 9, characterized in that a sewage collection tank (4) and a drain pipe communicating with the sewage collection tank (4) are arranged below the heat dissipation air duct.
12. The cleaning assembly of claim 9, wherein the air inlet dust guard is air inlet dust cotton and the air outlet dust guard is air outlet dust cotton.
13. The cleaning assembly of claim 7, further comprising a first temperature sensor disposed in the heat dissipation air duct and configured to detect a current actual temperature T of the heat sink, and a second temperature sensor disposed outside the heat dissipation air duct and configured to detect a current actual ambient temperature ThA rotating speed sensor is arranged in the waterproof fan;
at the current ambient temperature ThIn time, the heat is dissipatedThe upper limit of the normal temperature corresponding to the current rotating speed of the waterproof fan in the road is T0The preset cleaning conditions are as follows: t > T0Exceeds a preset time limit t.
14. The cleaning assembly of claim 13, wherein the control module controls the cleaning mechanism to spray the cleaning liquid for a predetermined time period when the predetermined cleaning condition is satisfied.
15. The cleaning assembly of claim 7, further comprising a sensor disposed outside the heat dissipation air duct for detecting a current actual ambient temperature ThThe second temperature sensor presets the high-temperature operation temperature as TgThe preset cleaning conditions are as follows: t ish＞Tg。
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| CN202110063877.5A CN112916480A (en) | 2021-01-18 | 2021-01-18 | Cleaning method and cleaning assembly for heat dissipation air duct of waterproof charging pile |
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