CN115189244B - Heat dissipation switch cabinet - Google Patents
Heat dissipation switch cabinet Download PDFInfo
- Publication number
- CN115189244B CN115189244B CN202110369332.7A CN202110369332A CN115189244B CN 115189244 B CN115189244 B CN 115189244B CN 202110369332 A CN202110369332 A CN 202110369332A CN 115189244 B CN115189244 B CN 115189244B
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- Prior art keywords
- filter
- air supply
- plate
- air inlet
- heat dissipation
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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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
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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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
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a heat dissipation switch cabinet, which comprises a shell component, wherein an upper sealing door and a lower sealing door are arranged on the front surface of the shell component, the upper sealing door and the lower sealing door can be hinged and opened relative to the shell component, a partition plate is arranged in the shell component, the partition plate is arranged at the joint of the upper sealing door and the lower sealing door, an electric element installation area is formed above the partition plate, a filter chamber is formed below the partition plate, the filter chamber is communicated with the outer space of the shell component through an air inlet device, a filter device is arranged in the filter chamber and used for filtering gas entering the filter chamber, a fourth air inlet hole is formed in the partition plate, and the filter chamber is communicated with the electric element installation area. The heat dissipation switch cabinet is ingenious in structure, solves the problems of heat dissipation and dust removal, can accurately dissipate heat of a local area with higher temperature in the switch cabinet, reduces energy consumption, and is reliable in heat dissipation.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a heat dissipation switch cabinet.
Background
The switch cabinet is an electrical equipment and mainly used for opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system. The external line of the switch cabinet firstly enters the main control switch in the cabinet and then enters the sub-control switch, and each shunt is arranged according to the requirement.
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system, and the components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.
Chinese patent with the grant notice number CN205452901U discloses a low-voltage control switch cabinet. The switch cabinet comprises a cabinet body, a cabinet door, an ammeter, a breaker and a grounding protector, wherein the cabinet door is hinged to one side of the cabinet body, the cabinet body is divided into two layers, the ammeter is installed on the upper layer, the breaker is installed on one side of the lower layer, the grounding protector is installed on the other side of the lower layer, a base used for communicating the outside is arranged at the bottom of the cabinet body, a slot position is arranged between the bottom of the cabinet body and the base, and the slot position is used for inserting a dust cover. The door lock is generally arranged on the cabinet door of the switch cabinet to fix the cabinet door.
The switch cabinet is provided with the ventilation openings at the upper end and the side surface of the base, so that air enters the cabinet body from the ventilation openings, and then the ventilation of the air in the cabinet is accelerated by the exhaust fan, so that the effects of dehumidifying and exhausting heat are achieved. But fans are typically suitable for medium power switchgear. For a switch cabinet with smaller power, a fan is generally avoided to select natural air cooling, so that the production cost is reduced.
The prior switch cabinet has poor internal heat dissipation, and under the condition that internal circuit components continuously work, the temperature in the switch cabinet rises, and the service life of the internal circuit components is seriously influenced by overhigh temperature in the switch cabinet. Therefore, the prior switch cabinet has the problem that the service life of circuit components in the switch cabinet is shortened due to poor heat dissipation.
How to improve the heat dissipation performance of the switch cabinet and ensure the normal operation of the switch cabinet is always under the way of those skilled in the art.
Disclosure of Invention
In view of the above, the invention aims to provide a heat dissipation switch cabinet, which solves the problem of shortened service life of circuit components in the existing switch cabinet caused by poor heat dissipation or the problem of reduced service life of the circuit components, and improves the dustproof effect of the switch cabinet.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
The utility model provides a heat dissipation switch cabinet, includes the casing subassembly the front surface of casing subassembly is provided with upper seal door and lower seal door, upper seal door with lower seal door can be relative the casing subassembly hinge motion is opened the inside of casing subassembly is provided with the baffle, the baffle sets up upper seal door with the junction of lower seal door the top of baffle forms electrical component installation zone the below formation filter chamber of baffle, the filter chamber pass through the air inlet device with the outside space intercommunication of casing subassembly set up filter equipment in the filter chamber, filter equipment is used for to getting into the gas filtration in the filter chamber set up fourth fresh air inlet on the baffle, fourth fresh air inlet is used for filter chamber and electrical component installation zone intercommunication.
Further, an air supply device is arranged on the shell component and is in sealing connection with an air inlet device at the filtering chamber through an air supply pipeline, and the air supply device is used for controlling the heat dissipation gas to be conveyed to the filtering chamber.
Furthermore, electromagnetic control valves are arranged on the air supply device and/or the air supply pipeline and used for controlling the on-off of the air supply device and/or the air supply pipeline.
Further, the casing subassembly includes bottom plate, back plate, left side board, right side board and roof, the bottom plate the roof sets up the upper and lower both ends of back plate, the left side board the right side board sets up both ends about the back plate, the both ends about the baffle respectively with the left side board right side board fixed connection, air supply arrangement sets up the back plate the lower surface of bottom plate sets up the supporting seat, the supporting seat is used for with form the clearance between bottom plate and the ground, the fresh air inlet device includes first fresh air inlet, second fresh air inlet and third fresh air inlet, first fresh air inlet sets up on the bottom plate, the second fresh air inlet sets up on the left side board, the third fresh air inlet sets up on the right side board, first fresh air inlet the second fresh air inlet the area that the third fresh air inlet is located all set up in the below of baffle and by the supply line covers.
Further, the air outlet pipeline of the electromagnetic control valve comprises a first passage, a second passage and a third passage, wherein the first passage is communicated with a first air supply pipeline, the first air supply pipeline is arranged on the lower surface of the bottom plate, the second passage is communicated with a second air supply pipeline, the second air supply pipeline is arranged on the left side surface of the left side plate, the third passage is communicated with a third air supply pipeline, and the third air supply pipeline is arranged on the right side surface of the right side plate.
Furthermore, the air supply pipeline comprises an air supply main pipe and air supply branch pipes, and each air supply main pipe is connected with a plurality of air supply branch pipes.
Further, the through openings are formed in the bottom plate, and the ratio of the number of the through openings to the number of the fourth air inlet holes in the partition plate is not greater than 0.3.
Further, but filter equipment pull formula place in the filter chamber, filter equipment includes horizontal filter screen, first vertical filter screen and the vertical filter screen of second, first vertical filter screen with the vertical filter screen of second sets up the both sides of horizontal filter screen, horizontal filter screen covers completely first air inlet place region set up first filtration pore on the horizontal filter screen, first vertical filter screen covers completely second air inlet place region set up the second filtration pore on the vertical filter screen of first, the vertical filter screen of second covers completely third air inlet place region set up the third filtration pore on the vertical filter screen of second.
Further, the filtering device further comprises a third vertical filter screen, a top filter screen is arranged above the horizontal filter screen, fifth filter holes are formed in the top filter screen, at least two third vertical filter screens are arranged between the third vertical filter screens and the first vertical filter screens, and/or between the third vertical filter screens and the second vertical filter screens, and/or between the adjacent two third vertical filter screens, multiple filter portions are arranged between the third vertical filter screens, and the multiple filter portions are used for filtering heat dissipation air flows entering between the horizontal filter screens and the top filter screen for multiple times and then enter the electric element installation area through the fifth filter holes.
Further, multiple filter unit includes first layer filter unit and second floor filter unit set up first connecting plate and second connecting plate between first layer filter unit and the second floor filter unit, the second connecting plate sets up the lower extreme of first layer filter unit and second floor filter unit, the second connecting plate with there is the clearance between the horizontal filter screen, first connecting plate sets up the top of second connecting plate the second floor filter unit is kept away from one side of first layer filter unit sets up the deflector, wherein all be provided with the filtration pore on first layer filter unit, second layer filter unit, first connecting plate, the second connecting plate, the deflector is the flat structure that does not trompil slope set up, the fifth filtration pore sets up on the top filter screen of deflector top.
Compared with the prior art, the heat dissipation switch cabinet has the following advantages:
(1) The heat dissipation switch cabinet has ingenious structure, can fully dissipate heat of parts in the cabinet body under the condition that the cabinet body of the switch cabinet is perfect in sealing, can ensure the dust removal effect while dissipating heat, and simultaneously solves the problems of heat dissipation and dust removal.
(2) According to the heat dissipation switch cabinet, the air supply device capable of adjusting the working power is arranged, so that the air inlet quantity flowing to the filter chamber is adjusted, and the heat dissipation effect is ensured.
(3) According to the heat dissipation switch cabinet disclosed by the invention, the air supply device is arranged on the rear plate, and the air supply device respectively enters the filtering chamber from the left side, the right side and the bottom of the shell assembly through the air supply pipeline, so that the air supply quantity is convenient to adjust, the air supply quantity of a local area can be changed, the local area with higher temperature can be subjected to accurate heat dissipation, the energy consumption is reduced, and the heat dissipation is reliable.
(4) The heat radiation switch cabinet is compact in structure, and control accuracy of heat radiation air quantity inlet and reliability of flow regulation are guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic front view of a switchgear according to an embodiment of the present invention;
Fig. 2 is a schematic rear view of a switch cabinet according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a switch cabinet according to an embodiment of the invention;
fig. 4 is a schematic side view of a second view of a switchgear according to an embodiment of the present invention;
fig. 5 is a schematic view of an upper door and a lower door of a switch cabinet in an open state according to an embodiment of the present invention;
fig. 6 is a schematic front view of a switch cabinet according to an embodiment of the present invention, with upper and lower doors removed;
FIG. 7 is a side view of the structure of FIG. 6;
FIG. 8 is an enlarged partial schematic view of portion B of FIG. 7;
FIG. 9 is a schematic side view of the structure of FIG. 6 with the blower removed;
FIG. 10 is a schematic side view of the structure of FIG. 9 from a second perspective;
FIG. 11 is a schematic side view of the structure of FIG. 9 from a third perspective;
FIG. 12 is an enlarged partial schematic view of portion C of FIG. 11;
FIG. 13 is a schematic front view of a filter device according to an embodiment of the present invention;
FIG. 14 is a schematic side view of a filter device according to an embodiment of the present invention;
FIG. 15 is a schematic side view of a second view of a filter device according to an embodiment of the present invention;
reference numerals illustrate:
a switch cabinet 100; a housing assembly 1; a bottom plate 101; the heat exchange device comprises a first air inlet 1011, a rear plate 102, an air outlet 1021, a blocking cap 1022, a left side plate 103, a second air inlet 1031, a right side plate 104, a third air inlet 1041, a top plate 105, an upper door 2, a display 201, an indicator light 202, a control module 203, a handle 204, a door lock 205, a lower door 3, a support seat 4, a smoke alarm 5, a first air supply pipeline 6, a first air supply main 601, a first air supply branch 602, a second air supply pipeline 7, a second air supply main 701, a second air supply branch 702, a third air supply pipeline 8, a third air supply main 801, a third air supply branch 802, an air supply device 9, an electromagnetic control valve 10, a first passage 1001, a second passage 1002, a third passage 1003, a through opening 11, a partition 12, a fourth air inlet 1201, a filter chamber 13, a temperature sensor 14, a filter 15, a horizontal filter screen 1501, a first filter 15011, a first vertical filter screen 1502, a second filter screen 15021, a second vertical filter screen 15031, a third filter screen 15041, a third filter screen vertical filter screen 15035, a third filter screen 15051, a third filter screen 802, a third filter screen unit 15035, a third filter screen unit 15041, a third filter screen 15035, a fourth filter screen unit 15035, a heat exchange unit heat exchange layer 15065, a fourth filter screen unit top filter material 15035, a filter unit top filter material, a filter unit top portion 1500, a filter unit top portion 150, a fourth filter unit top portion, a filter unit top portion 150, a filter unit top 35, a filter unit top-60, a filter unit top, a filter material, a filter unit top, a filter device 60, a filter unit, a filter device 60, a filter device 35, a filter device 60, a filter plug 60, a filter device 60, filter plug 60, filter plug 60 filter plug 60 filter plug 17 filter plug 60 filter plug vacuum 60 filter vacuum.vacuum 60 filter vacuum.vacuum.
Detailed Description
In order to facilitate understanding of the technical means, objects and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
It should be noted that all terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "low", "lateral", "longitudinal", "center", etc. used herein are merely used to explain the relative positional relationship, connection, etc. between the various components in a particular state (as shown in the drawings) for convenience of description of the present invention, and do not require that the present invention must be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, directly connected, indirectly connected via an intermediate medium, or communicating between the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
As shown in fig. 1 to 15, the invention discloses a heat dissipation switch cabinet, which comprises a shell component 1, wherein an upper sealing door 2 and a lower sealing door 3 are arranged on the front surface of the shell component 1, the upper sealing door 2 and the lower sealing door 3 can be hinged and opened relative to the shell component 1, a partition plate 12 is arranged in the shell component 1, the partition plate 12 is arranged at the joint of the upper sealing door 2 and the lower sealing door 3, an electric element installation area 17 is formed above the partition plate 12, a filter chamber 13 is formed below the partition plate 12, the filter chamber 13 is communicated with the outer space of the shell component 1 through an air inlet device, a filter device 15 is arranged in the filter chamber 13, the filter device 15 is used for filtering gas entering the filter chamber 13, a fourth air inlet 1201 is arranged on the partition plate 12, and the fourth air inlet 1201 is used for communicating the filter chamber 13 with the electric element installation area 17.
Because the switch cabinet 100 has more electrical parts and more severe use environment, the existing switch cabinet dissipates heat, and a gap is generally reserved at the joint of cabinet doors of the cabinet body when the cabinet body is assembled, or a heat dissipation hole is arranged on a shell component of the switch cabinet for air intake and heat dissipation. However, because the use environment of the switch cabinet is worse, dust can easily enter the cabinet body of the switch cabinet and is accumulated on electrical components in the cabinet body, because the arrangement of the components in the cabinet body is tighter, when the dust is accumulated to a certain amount, certain static electricity can be generated, or the heat dissipation effect of the electrical components can be seriously affected.
As an example of the present invention, by providing the partition plate 12 inside the housing assembly 1, forming the electrical component mounting area 17 above the partition plate 12 for assembling and placing the electrical component, providing the upper sealing door 2 on the front surface of the electrical component mounting area 17 for sealing the electrical component mounting area 17, forming the filtering chamber 13 below the partition plate 12, filtering the heat dissipation air entering the housing assembly 1 through the filtering device 15 provided inside the filtering chamber 13, providing the lower sealing door 3 on the front surface of the filtering chamber 13 for sealing the filtering chamber 13, and preventing the heat dissipation air after filtering from entering the electrical component mounting area 17 through the fourth air inlet 1201 on the partition plate 12, thereby preventing the impurities or dust with larger particles from entering the electrical component mounting area 17 and affecting the normal use of the electrical component.
The invention has smart structure, can fully radiate the parts in the cabinet body under the condition that the cabinet body of the switch cabinet is sealed perfectly, can ensure the dust removing effect while radiating, and simultaneously solves the problems of radiating and dust removing.
As a preferred example of the present invention, an air supply device 9 is disposed on the housing assembly 1, the air supply device 9 is hermetically connected with an air inlet device at the filtering chamber 13 through an air supply pipeline, and is used for controlling the heat dissipation air to be delivered to the filtering chamber 13, and a through hole 11 is disposed on the housing assembly 1, and is used for normally circulating the air flow in the inner space and the outer space of the housing assembly 1.
Through set up air supply arrangement 9 on casing subassembly 1 for the flow of regulation control to carrying gas in the filter chamber 13, when the local temperature in electrical components installation district 17 was higher, can increase the intake to filter chamber 13 through air supply arrangement 9, and then improve the inside radiating efficiency of electrical components installation district 17, and under normal operating mode, air supply arrangement 9 can not start or maintain at lower power operating condition, to the lower intake of input in the filter chamber 13, perhaps filter chamber 13 carries out natural ventilation heat dissipation through opening 11.
The setting can be through adjusting the operating power of air supply arrangement 9 as required, and then adjusts the intake that flows to filter chamber 13, guarantees the radiating effect. As a preferred example of the present invention, the air blowing device 9 is an air blowing pump or an air blowing fan.
As a preferred example of the present invention, an electromagnetic control valve 10 is provided on the air blowing device 9 and/or the air blowing pipe, and the electromagnetic control valve 10 is used for controlling on/off of the air blowing device 9 and/or the air blowing pipe.
This setting is convenient for realize air supply arrangement 9 and air supply flow control's automatic control, simplifies manual operation, improves the accuracy of heat dissipation control.
As a preferred example of the present invention, the housing assembly 1 includes a bottom plate 101, a rear plate 102, a left side plate 103, a right side plate 104 and a top plate 105, the bottom plate 101 and the top plate 105 are disposed at upper and lower ends of the rear plate 102, the left side plate 103 and the right side plate 104 are disposed at left and right ends of the rear plate 102, the left and right ends of the partition plate 12 are fixedly connected with the left side plate 103 and the right side plate 104, the air supply device 9 is disposed at the rear plate 102, a supporting seat 4 is disposed at a lower surface of the bottom plate 101, the supporting seat 4 is used for forming a gap between the bottom plate 101 and the ground, the air intake device includes a first air intake 1011, a second air intake 1031 and a third air intake 1041, the first air intake 1011 is disposed on the bottom plate 101, the second air intake 1031 is disposed on the left side plate 103, the third air intake 1041 is disposed on the right side plate 104, and the first air intake 1011, the second air intake 1031 and the third air intake 1041 are disposed under the partition plate 12.
This setting is in air supply arrangement 9 set up on the back plate 102, and air supply arrangement 9 will send into the radiating air volume of sending into respectively from the left side of casing subassembly 1, right side and bottom entering filter chamber 13 through the air supply pipeline respectively, and this setting is convenient for adjust the air supply volume on the one hand, and on the other hand also can change the regional air supply volume of local area, carries out accurate heat dissipation to the higher local area of temperature, reduces the energy consumption, and the heat dissipation is reliable.
As a preferred example of the present invention, the air outlet pipe of the electromagnetic control valve 10 includes a first passage 1001, a second passage 1002, and a third passage 1003, wherein the first passage 1001 is communicated with a first air supply pipe 6, the first air supply pipe 6 is disposed on the lower surface of the bottom plate 101, the second passage 1002 is communicated with a second air supply pipe 7, the second air supply pipe 7 is disposed on the left side surface of the left side plate 103, the third passage 1003 is communicated with a third air supply pipe 8, and the third air supply pipe 8 is disposed on the right side surface of the right side plate 104.
The arrangement discloses a connection structure of an electromagnetic control valve 10 and an air supply pipeline, wherein the electromagnetic control valve 10 can respectively control the on-off of the first passage 1001, the second passage 1002 and the third passage 1003, and the control is accurate, simple and reliable.
As a preferred example of the present invention, the air supply line includes an air supply main pipe and air supply branch pipes, and each air supply main pipe is connected to a plurality of air supply branch pipes.
Specifically, the air supply pipeline includes first air supply pipeline 6, second air supply pipeline 7, third air supply pipeline 8, first air supply pipeline 6 includes first air supply main pipe 601 and first air supply branch pipe 602, first air supply main pipe 601 and first passageway 1001 intercommunication, first air supply branch pipe 602 sets up the multichannel, first air inlet 1011 is the array form setting on bottom plate 101, every first air supply branch pipe 602 covers one row first air inlet 1011 or one row first air inlet 1011 is last. Preferably, the first main air supply pipe 601 is disposed on the base plate 101 near the middle, and the first branch air supply pipes 602 are symmetrically disposed on both sides of the first main air supply pipe 601.
Similarly, the second air supply pipeline 7 includes a second main air supply pipe 701 and a second air supply branch pipe 702, the second main air supply pipe 701 is communicated with the second passage 1002, the second air supply branch pipe 702 is disposed on one side of the second main air supply pipe 701, the second air inlet 1031 is disposed in an array on the left side plate 103, and each second air supply branch pipe 702 covers a row of the second air inlet 1031 or a row of the second air inlet 1031.
The third air supply pipeline 8 includes a third main air supply pipe 801 and a third air supply branch pipe 802, the third main air supply pipe 801 is communicated with the third passage 1003, the third air supply branch pipe 802 is disposed on one side of the third main air supply pipe 801, the third air intake 1041 is disposed in an array on the right side plate 104, and each third air supply branch pipe 802 covers a row of the third air intake 1041 or a row of the third air intake 1041.
The above-mentioned setting discloses the concrete structure of air supply pipeline, compact structure guarantees the accuracy and the reliability of heat dissipation amount of wind admission control and flow control.
As a preferred example of the present invention, the through-holes 11 are provided on the bottom plate 101, and the ratio of the number of the through-holes 11 to the number of the fourth air inlets 1201 provided on the partition 12 is not more than 0.3.
This setting guarantees on the one hand that the cubical switchboard is in off-state or low power operating condition at air supply arrangement 9, and filter chamber 13 carries out the reliability of heat dissipation work through the natural air inlet of through-hole 11, and on the other hand also avoids directly flowing out through-hole 11 through the inside heat dissipation air current of air inlet arrangement entering filter chamber 13, and does not dispel the heat to the electrical components of electrical components installation zone 17, simultaneously, when air supply arrangement 9 is in high power operating condition, also guarantees the reliable smooth discharge of the inside air current of casing subassembly 1, avoids the pressure too big to cause electrical components of electrical components installation zone 17 to take place to damage.
As a preferred example of the present invention, a plurality of air outlet holes 1021 are formed in the rear plate 102, the air outlet holes 1021 are formed in a position near the upper end of the rear plate 102, a blocking cap 1022 is disposed at each air outlet hole 1021, and one side of the blocking cap 1022 can be opened in a direction away from the rear plate 102 under the action of air flow.
When the air supply device 9 works, a larger heat dissipation air flow exists in the shell assembly 1, the air outlet 1021 can be opened under the action of the dead weight of the retaining cap 1022, so that the heat dissipation air flow passing through the electric element installation area 17 is discharged from the air outlet 1021, and the air outlet 1021 is arranged at a position, close to the upper end, of the rear plate 102, so that the heat dissipation air flow can sufficiently dissipate heat of electric elements in the electric element installation area 17, and the heat dissipation effect is guaranteed.
As a preferred example of the present invention, the filtering device 15 is disposed in the filtering chamber 13 in a drawable manner, the filtering device 15 includes a horizontal filter screen 1501, a first vertical filter screen 1502 and a second vertical filter screen 1503, the first vertical filter screen 1502 and the second vertical filter screen 1503 are disposed on two sides of the horizontal filter screen 1501, the horizontal filter screen 1501 completely covers the area where the first air inlet 1011 is located, a first filter hole 15011 is disposed on the horizontal filter screen 1501, the first vertical filter screen 1502 completely covers the area where the second air inlet 1031 is located, a second filter hole 15021 is disposed on the first vertical filter screen 1502, the second vertical filter screen 1503 completely covers the area where the third air inlet 1041 is located, and a third filter hole 15031 is disposed on the second vertical filter screen 1503.
The device discloses a specific structure of the filtering device, has reasonable structure and reliable filtering, and the filtering device 15 can be taken out for cleaning through drawing, so that the cleaning is convenient, and the heat radiation performance and the dust removal performance of the switch cabinet are enhanced.
As a preferred example of the present invention, the filter device 15 is provided with sliding plates 1507 at both ends, and the sliding plates 1507 are slidably connected with sliding grooves provided in the filter chamber 13. As an example of the present invention, the sliding plates 1507 are not perforated, two sliding plates 1507 are provided for each break of the filtering device 15, the sliding plate 1507 in the high position is arranged at the highest position of the second air inlet 1031 and/or the third air inlet 1041, and the sliding plate 1507 in the low position is arranged at the lowest position of the second air inlet 1031 and/or the third air inlet 1041.
As a preferred example of the present invention, the projection position of the second filtering holes 15021 on the left side plate 103 is offset from the projection position of the third filtering holes 15031 on the left side plate 103.
This arrangement prevents the filtered heat radiation air flow entering from the first vertical filter screen 1502 or the second vertical filter screen 1503 from directly flowing out from the opposite direction, ensures the reliability of the flow of the filtered heat radiation air flow to the electrical component mounting region 17 through the fourth air inlet 1201 on the partition 12, and ensures the heat radiation effect.
As a preferred example of the present invention, the diameter of the second filter hole 15021 is equal to or close to the diameter of the third filter hole 15031, the diameter of the second filter hole 15021, the third filter hole 15031 is smaller than the diameter of the first filter hole 15011, and the diameter of the first filter hole 15011 is smaller than the diameter of the fourth air inlet 1201.
The arrangement is such that the heat radiation air flow entering the electric element mounting area 17 is filtered through at least two filter screens, and the arrangement of the diameter relation is convenient for ensuring the smoothness and reliability of the flow of the heat radiation air flowing to the electric element mounting area 17.
As a preferred example of the present invention, the filtering device 15 further includes a third vertical filter screen 1504, a fourth filter hole 15041 is disposed on the third vertical filter screen 1504, a top filter screen 1505 is disposed above the horizontal filter screen 1501, a fifth filter hole 15051 is disposed on the top filter screen 1505, at least two third vertical filter screens 1504 are disposed between the third vertical filter screen 1504 and the first vertical filter screen 1502, and/or multiple filter portions 1506 are disposed between the third vertical filter screen 1504 and the second vertical filter screen 1503, and/or between two adjacent third vertical filter screens 1504, the multiple filter portions being used for filtering the heat dissipation air flow entering between the horizontal filter screen 1501 and the top filter screen 1505 multiple times and then entering the electrical component mounting area 17 through the fifth filter hole 15051.
This setting has further optimized filter equipment 15's structure for the heat dissipation air current that lets in filter equipment 15 in filter chamber 13 just can get into after passing through the multistage filtration at least electrical component installation zone 17 dispels the heat to electrical component, guarantees the dust removal effect on the one hand, and on the other hand also avoids directly getting into the heat dissipation air current of electrical component installation zone 17 too big, influences electrical component's normal use.
As a preferred example of the present invention, the multiple filtering unit 1506 includes a first layer filtering unit 15061 and a second layer filtering unit 15062, a first connection plate 15063 and a second connection plate 15064 are disposed between the first layer filtering unit 15061 and the second layer filtering unit 15062, the second connection plate 15064 is disposed at lower ends of the first layer filtering unit 15061 and the second layer filtering unit 15062, a gap exists between the second connection plate 15064 and the horizontal screen 1501, the first connection plate 15063 is disposed above the second connection plate 15064, a guide plate 15065 is disposed at a side of the second layer filtering unit 15062 away from the first layer filtering unit 15061, wherein filtering holes are disposed on the first layer filtering unit 15061, the second layer filtering unit 15062, the first connection plate 15063, the second connection plate 15064, the guide plate 15065 is a flat plate structure without opening a hole, and the fifth filtering hole 1501 is disposed on the top screen 1505 above the guide plate 15065.
As an example of the present invention, the guide plate 15065 is configured as a flat plate structure without holes and inclined, and the fifth filter holes 15051 are only disposed on the top filter screen 1505 above the guide plate 15065, so that when the heat dissipation air flow entering between the horizontal filter screen 1501 and the top filter screen 1505 passes through the multiple filter portions 1506, the heat dissipation air flow first passes through the filter holes on the first layer filter portion 15061 or the second connection plate 15064, then passes through the filter holes on the first connection plate 15063 or directly passes through the filter holes on the second layer filter portion 15062 to flow to the space between the second layer filter portion 15062 and the guide plate 15065, and finally passes through the filter holes on the second layer filter portion 15062 and the space between the guide plate 15065, and finally passes through the fifth filter holes 15051 on the top filter screen 1505 to flow to the partition plate 12 under the guiding action of the guide plate 15065.
The arrangement makes the heat radiation air flow acted by the filtering device 15 pass through at least two or three layers of filtering actions, and then flows to the electric element installation area 17 through the filtering action of the partition plate 12, so that the dust removal effect is further improved, and the reliability of the normal operation of the electric element is ensured.
As an example of the present invention, the filter holes provided in the first layer filter 15061 are sixth filter holes 150611, the filter holes provided in the second layer filter 15062 are seventh filter holes 150621, and the sixth filter holes 150611 are partially overlapped with or offset from the projection positions of the seventh filter holes 150621 on the left side plate 103.
The filter holes provided on the first connection plate 15063 are eighth filter holes 150631, the filter holes provided on the second connection plate 15064 are ninth filter holes 150641, and projection positions of the eighth filter holes 150631 and the ninth filter holes 150641 on the horizontal filter screen 1501 are overlapped.
This arrangement further improves the reliability of the flow of the heat dissipation air flowing through the multiple filtering portion 1506 and finally flowing through the fifth filtering hole 15051 to the partition plate 12 under the guiding action of the guiding plate 15065, and avoids the influence of the heat dissipation effect and the heat dissipation efficiency due to the turbulent flow formed by the heat dissipation air entering in multiple directions during multiple filtering.
As a preferred example of the present invention, a heat storage and exchange device 16 is provided on the housing assembly 1, and the heat storage and exchange device 16 is capable of absorbing heat and storing heat when the temperature of the electrical component in the electrical component mounting area 17 is high, and releasing heat when the temperature of the electrical component in the electrical component mounting area 17 is low or when the air supply device 9 supplies heat radiation air flow to the electrical component mounting area 17. As an example of the present invention, the heat storage and exchange device 16 includes a first heat storage and exchange unit 1601, a second heat storage and exchange unit 1602, a third heat storage and exchange unit 1603, and a fourth heat storage and exchange unit 1604, where the first heat storage and exchange unit 1601 is disposed on the left side plate 103, the second heat storage and exchange unit 1602 is disposed on the top plate 105, the third heat storage and exchange unit 1603 is disposed on the rear plate 102, and the fourth heat storage and exchange unit 1604 is disposed on the right side plate 104.
This arrangement serves to ensure the stability of the operating environment of the electrical components in the housing assembly 1 and to avoid a sudden rise or drop in the temperature of the electrical component mounting region 17.
As a preferred example of the present invention, the casing assembly 1 is provided with a plurality of temperature sensors 14, the temperature sensors 14 are used for detecting the temperature of the area where the temperature sensors are located and feeding back to the control module 203, and the control module 203 can control the opening and closing of the air supply device 9 and the opening and closing of the passage in the electromagnetic control valve 10.
The arrangement further ensures the reliability and the accuracy of the air supply control of the air supply device, and ensures the reliability of the local air supply control when the local temperature in the electric element installation area 17 is too high, thereby reducing the energy waste.
As an example of the present invention, the control module 203 is disposed on the upper sealing door 2, the control module 203 is an ARM single-chip microcomputer, the upper sealing door 2 is further provided with a display 201 and an indicator lamp 202, the control module 203 is electrically connected with the display 201, the indicator lamp 202, the temperature sensor 14 and the air supply device 9 through a connection circuit, the control module 203 is disposed below the indicator lamp 202, and the display 201 is disposed above the indicator lamp 202.
This setting is convenient for the user to carry out system setting and manual operation, does benefit to trouble simultaneously and reminds and operating condition shows, improves the convenience of user's operation.
As an example of the invention, a handle 204 and a door lock 205 are provided on the side of the upper closure door 2 remote from the hinge axis of rotation, the door lock 205 being openable and closable by means of a control module 203 and/or a key.
This arrangement ensures the reliability of the closure of the electrical component mounting region 17 in the operating state, while also facilitating user repair or maintenance.
As an example of the present invention, a smoke alarm 5 is provided on the top plate 105, and the smoke alarm 5 can detect humidity and smoke conditions of the electrical component mounting area 17 and can alarm under the action of the control module 203.
Example 2
The invention also provides a heat dissipation control method based on the heat dissipation switch cabinet, which comprises the following steps:
s1, detecting real-time temperature T of an installation area of an electric element through a temperature sensor;
S2, when the temperature sensor detects that the real-time temperature T of the installation area of the electrical element is greater than T Threshold value , the control module controls the air supply device to start;
S3, detecting the smoke condition in the switch cabinet through the smoke alarm, if the smoke is detected, controlling the working time S of the air supply device through the control module, stopping, continuously detecting the smoke condition, and if the smoke is detected again, executing the step S4;
S4, the control module informs an operator through a communication circuit and presets waiting time t, if the operator arrives at the processing within the preset time, the step S5 is executed, and if the operator does not process within the preset time t, the smoke alarm gives out audible and visual alarm;
S5, an operator detects the fault condition of the switch cabinet through remote control and executes a corresponding solving program
Wherein T Threshold value is a higher temperature threshold value of normal operation of electrical components in the electrical component mounting area 17, S is experience time for eliminating smoke in the switch cabinet under the action of the air supply device 9, the value range of S is 10S-180S, preferably 20S-60S, the waiting time T is the reflecting time for an operator to learn remote alarm and take over manual operation, and the value range of T is 1-20S, preferably 3-8S.
As a preferred example of the present invention, the step S2 includes the steps of:
S21, when the temperature sensor on the left side plate 103 detects that the real-time temperature T is greater than T Threshold value , the air supply device controls the second passage 1002 to be opened through the electromagnetic control valve 10, and the second air supply pipeline 7 on the left side plate 103 is used for introducing heat dissipation air flow into the filter chamber 13;
S22, when the temperature sensor on the right side plate 104 detects that the real-time temperature T is greater than T Threshold value , the air supply device controls the third passage 1003 to be opened through the electromagnetic control valve 10, and the third air supply pipeline 8 on the right side plate 104 is used for introducing heat dissipation air flow into the filter chamber 13;
S23, when the temperature sensor on the rear plate 102 detects that the real-time temperature T is greater than T Threshold value , the air supply device controls the opening of the first passage 1001 through the electromagnetic control valve 10, and the first air supply pipeline 6 on the bottom plate 101 is used for introducing heat dissipation air flow into the filter chamber 13;
The execution of the steps S21, S22, S23 can be performed simultaneously, and when the temperature sensor 14 on the housing assembly 1 detects that the real-time temperature T is greater than T Threshold value , the air supply device 9 operates with high power.
As another example of the present invention, in a natural state, the air supply device controls the first passage 1001 to be opened through the electromagnetic control valve 10, the air supply device 9 operates with low power, and the first air supply pipeline 6 on the bottom plate 101 supplies the heat dissipation air flow into the filtering chamber 13. I.e. when the temperature sensor 14 on the housing assembly 1 detects that the real-time temperature T is greater than T Threshold value , the working power of the air supply device 9 is higher than the working power of the air supply device 9 in the natural state of the switch cabinet.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
Priority Applications (1)
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| CN202110369332.7A CN115189244B (en) | 2021-04-06 | 2021-04-06 | Heat dissipation switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110369332.7A CN115189244B (en) | 2021-04-06 | 2021-04-06 | Heat dissipation switch cabinet |
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| CN115189244A CN115189244A (en) | 2022-10-14 |
| CN115189244B true CN115189244B (en) | 2024-12-13 |
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| CN118693662B (en) * | 2024-06-05 | 2025-02-14 | 广东粤特电力集团有限公司 | A closed high-voltage switch cabinet with high ventilation and heat dissipation structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208336828U (en) * | 2018-04-24 | 2019-01-04 | 浙江百胜电气成套设备有限公司 | A kind of switchgear |
| CN111386016A (en) * | 2020-03-19 | 2020-07-07 | 新疆轻工职业技术学院 | Heat dissipation device of electrical control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210182888U (en) * | 2019-09-03 | 2020-03-24 | 江苏镇宝开关电器有限公司 | Cubical switchboard with heat dissipation and dust removal function |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208336828U (en) * | 2018-04-24 | 2019-01-04 | 浙江百胜电气成套设备有限公司 | A kind of switchgear |
| CN111386016A (en) * | 2020-03-19 | 2020-07-07 | 新疆轻工职业技术学院 | Heat dissipation device of electrical control device |
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Address after: 315031 No.17 and 22 Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province Applicant after: Ningbo Aokes Intelligent Technology Co.,Ltd. Address before: 315031 No.17 and 22 Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province Applicant before: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. |
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