CN111386016A - Heat dissipation device of electrical control device - Google Patents
Heat dissipation device of electrical control device Download PDFInfo
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- CN111386016A CN111386016A CN202010193844.8A CN202010193844A CN111386016A CN 111386016 A CN111386016 A CN 111386016A CN 202010193844 A CN202010193844 A CN 202010193844A CN 111386016 A CN111386016 A CN 111386016A
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- filter screen
- heat dissipation
- cavity
- cabinet body
- bottom plate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
- H05K7/20554—Forced ventilation of a gaseous coolant
- H05K7/20572—Forced ventilation of a gaseous coolant within cabinets for removing heat from sub-racks, e.g. plenum
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- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the technical field of heat dissipation of electrical devices, and discloses a heat dissipation device of an electrical control device, which comprises a cabinet body and a fan assembly arranged at the top of the cabinet body, wherein an upper cavity and a lower cavity are sequentially formed in the cabinet body from top to bottom, independent cabinet doors are correspondingly arranged in the upper cavity and the lower cavity, and heat dissipation holes are symmetrically formed in two sides of the lower cavity; the lower cavity is internally provided with an air filtering component, and the air filtering component comprises a fixed porous bottom plate, a lifting filter screen and a rotary type swinging component which are arranged from top to bottom; in the invention, a movable filter screen and a fixed porous bottom plate are arranged in a matching way: when the filter screen is limited at the highest horizontal position, the filter screen is communicated with the perforated plate, and further the rapid heat dissipation operation of upward circulation of airflow is realized; when the filter screen is limited at the lowest horizontal position, the porous bottom plate is closed, and meanwhile, the downward heat dissipation of airflow and the backwashing operation of the filter screen are realized by matching with the heat dissipation clamping cavity; in conclusion, the reverse cleaning of the filter screen can be realized under the condition that the filter screen is not detached.
Description
Technical Field
The invention belongs to the technical field of heat dissipation of electrical devices, and particularly relates to a heat dissipation device of an electrical control device.
Background
The electric control device mainly refers to an electric control cabinet which is used for installing various electric elements as terminal equipment for controlling electric energy. In practical use, the temperature in the whole electrical control device is gradually increased due to heating and heat dissipation generated during the operation of the electrical element, so that the service life of the electrical element is influenced, and the internal temperature of the electrical control device with higher specific power is higher.
Based on the above problems, the prior art mainly includes heat dissipation manners such as wind circulation and water circulation, wherein the principle of the wind circulation is to increase the air circulation speed in the electrical control device to accelerate the discharge of hot air in the electrical control device, thereby achieving the purpose of rapid heat dissipation; in this way, the hot air exhaust is performed while the cold air is introduced, and the cold air is generally derived from the air of the external environment, and there are many suspended particles and dust in the ambient air, and if the cold air is directly introduced, the suspended particles and dust will adhere to the electrical component, which causes the problem of increasing the resistance value of the electrical component or breaking the circuit.
In the prior art, in order to remove suspended particles and dust in the cold air, a filter screen and other structures are generally arranged at an air inlet to filter the cold air; however, as the service life of the electric control device increases, suspended particles and dust attached to the filter screen gradually increase, which easily causes the problem of filter screen blockage, and further affects the heat dissipation effect; in addition, if the cleaning operation is carried out under the condition that the filter screen is blocked, the whole electric control device needs to be started, at the moment, in order to ensure the use safety, the whole device needs to be stopped, the continuous use of the electric control device is not facilitated, and the problem that the existing filter screen structure is troublesome to disassemble and assemble is also solved.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a heat dissipation device for an electrical control device, so as to solve the problems of the prior art that the filter screen structure is easy to be blocked and is not easy to be assembled and disassembled.
In order to achieve the purpose, the invention provides the following technical scheme: a heat dissipation device of an electrical control device comprises a cabinet body and a fan assembly arranged at the top of the cabinet body, wherein an upper cavity and a lower cavity are sequentially formed in the cabinet body from top to bottom, independent cabinet doors are correspondingly arranged in the upper cavity and the lower cavity, and heat dissipation holes are symmetrically formed in two sides of the lower cavity;
the lower cavity is internally provided with an air filtering component, and the air filtering component comprises a fixed porous bottom plate, a lifting filter screen and a rotary type swinging component which are arranged from top to bottom;
the filter screen is characterized in that a plurality of vent holes are uniformly formed in the porous bottom plate, a sealing assembly is mounted on one side of each vent hole and is located between the porous bottom plate and the filter screen, when the filter screen is lifted, the sealing assemblies open the vent holes, and when the filter screen is lowered, the sealing assemblies close the vent holes;
one end of the swinging assembly is rotatably arranged on the inner wall of the cabinet body, the other end of the swinging assembly swings up and down, the filter screen is horizontally lifted when the swinging assembly swings up, and the filter screen is horizontally lowered when the swinging assembly swings down;
the cabinet door corresponding to the lower cavity is welded with a wedge-shaped block, the wedge-shaped block is matched with the swinging assembly, the swinging assembly swings upwards when the cabinet door corresponding to the lower cavity is closed, and the swinging assembly swings downwards when the cabinet door corresponding to the lower cavity is opened;
the upper cavity is also provided with a heat dissipation clamping cavity matched with the fan assembly, the bottom of the heat dissipation clamping cavity is communicated with the lower cavity, and when the filter screen horizontally descends to the lowest position, the fan assembly guides airflow into the heat dissipation clamping cavity from top to bottom; when the filter screen is horizontally lifted to the highest position, the fan assembly guides airflow into the upper cavity from bottom to top.
Preferably, the fan subassembly closes the filter lid of connecting in the installation cover top and is fixed in the inside radiator fan of installation cover including welding in the installation cover at cabinet body top, soon, the radiator fan both ends are connected with intake pipe and outlet duct respectively, intake pipe and cabinet body coupling, and all install the solenoid valve on intake pipe and the outlet duct, two all be connected with the branch pipe on the solenoid valve, and with the corresponding branch pipe of intake pipe be located the installation cover, press from both sides the chamber with the heat dissipation with the corresponding branch pipe of outlet duct and be connected.
Preferably, the top of the porous bottom plate is symmetrically welded with two heat conduction side plates, and a heat dissipation clamping cavity is formed between the two heat conduction side plates and the inner walls of the two sides of the cabinet body.
Preferably, the bottom of the porous bottom plate is provided with a porous air guide pipe, the porous air guide pipe and the sealing assembly are arranged in a staggered mode, air holes are formed in the side wall of the porous air guide pipe, and two ends of the porous air guide pipe are connected and communicated with the heat dissipation clamping cavity.
Preferably, the sealing assembly comprises an installation clamping seat welded at the bottom of the porous bottom plate, a movable toothed bar is connected in the installation clamping seat in a vertical sliding manner, a gear is rotatably installed, and the movable toothed bar is located on one side of the gear and is meshed with the gear; the top of the movable toothed bar extends into the porous bottom plate, and a spring is welded between the top of the movable toothed bar and the porous bottom plate; the welding has the connecting rod on the outer wall of gear, and the expansion end welding of connecting rod has the ball sealer, the ball sealer is mutually supported with the ventilation hole.
Preferably, the swing assemblies are symmetrically provided with two groups, and the two groups of swing assemblies are respectively installed on the inner walls of the two sides of the cabinet body and are respectively matched with the two sides of the filter screen.
Preferably, the swing assembly comprises a swing rod with one end rotatably installed on the inner wall of the cabinet body, the wedge block is matched with the movable end of the swing rod, a sliding groove is formed in the swing rod, a sliding block is connected in the sliding groove in a sliding mode, and the height of the sliding block is larger than that of the swing rod.
Preferably, a longitudinal guide rail is arranged between the porous bottom plate and the filter screen, and the filter screen is matched with the longitudinal guide rail and ascends and descends along the longitudinal guide rail.
Preferably, the longitudinal rail welds on cabinet body inner wall to be close to the cabinet door, and the longitudinal rail bottom is formed with spacing portion, when the filter screen level dropped to the minimum, spacing portion and filter screen matched with.
Preferably, the inner wall of the cabinet body is embedded with a detachable limiting pin, the limiting pin limits the lower swing position of the movable end of the swing rod, and when the limiting pin is detached, the filter screen is separated from the limiting part.
Compared with the prior art, the invention has the following beneficial effects:
(1) in the invention, the movable filter screen and the fixed porous bottom plate are arranged in a matched manner, and particularly when the filter screen is limited at the highest horizontal position, the conduction between the filter screen and the porous plate is realized, so that the rapid heat dissipation operation of upward circulation of airflow is realized; when the filter screen is limited at the lowest horizontal position, the porous bottom plate is closed, and the downward heat dissipation of airflow and the backwashing operation of the filter screen are realized by matching with the heat dissipation clamping cavity; in conclusion, the filter screen can be reversely cleaned without disassembling the filter screen, and no influence is caused on electrical elements in the operating state, so that the service life of the whole heat dissipation device is effectively prolonged.
(2) Aiming at the filter screen and the porous bottom plate, the sealing assembly is arranged at the bottom of the porous bottom plate so as to effectively realize the mutual driving of the filter screen and the porous bottom plate and further meet the opening and closing requirements of the porous bottom plate in different use states; and the integral sealing assembly also has the advantages of simple and stable structure.
(3) To above-mentioned movable filter screen, correspond and be equipped with the swing subassembly, and swing subassembly and electrical control device's cabinet door cooperation: when the cabinet door is closed, the swinging assembly swings upwards to realize the ascending of the movable filter screen and limit the movable filter screen at the highest horizontal position; when the cabinet door is opened, the swinging assembly swings downwards to realize the descending of the movable filter screen, and the movable filter screen is limited at the lowest horizontal position; to sum up, effectively realize the lift of movable filter screen under the condition of no electric drive, and then satisfy and correspond the user demand, have energy-conserving, drive stable and simple structure's advantage.
(4) Aiming at the movable filter screen, a longitudinal guide rail is arranged between the filter screen and the porous bottom plate, so that the stability of the filter screen during lifting is improved.
(5) To above-mentioned swing subassembly, correspond and be equipped with the detachable spacer pin: when the limiting pin is not detached, the lower swing position of the swing assembly is effectively limited, so that the backwashing requirement of the filter screen is met, and meanwhile, the limiting pin is matched with the longitudinal guide rail to ensure the stability of the filter screen in limiting; when dismantling the spacer pin, can further suppress swing assembly to this dismouting operation that can simply realize the filter screen is convenient for change the filter screen.
(6) To sum up, based on fixed porous bottom plate, correspond to divide into two upper and lower minute chambeies with whole electrical control device to be equipped with the cabinet door respectively, can carry out reverse cleanness and the dismouting operation of filter screen under the condition that need not shut down with this.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of the seal assembly of the present invention;
FIG. 5 is a view showing an opened state of the sealing member according to the present invention;
FIG. 6 is a schematic view of an assembly of the swing assembly, screen and perforated base plate of the present invention;
FIG. 7 is a schematic view of the swing assembly of the present invention;
FIG. 8 is a schematic view of the use of the swing assembly of the present invention;
FIG. 9 is a schematic view of an alternative arrangement of the oscillating assembly, screen and perforated base plate of the present invention;
FIG. 10 is an enlarged view of FIG. 9 at B;
FIG. 11 is a schematic view of the fan assembly for dissipating heat quickly from the electrical control apparatus of the present invention;
FIG. 12 is a schematic diagram of the use of the fan assembly in the backwashing of the filter screens of the present invention;
in the figure: 1-cabinet body, 11-upper cavity, 111-heat conduction side plate, 112-heat dissipation clamping cavity, 12-lower cavity, 2-cabinet door, 21-wedge block, 3-fan component, 31-heat dissipation fan, 32-electromagnetic valve, 33-branch pipe, 4-air filtering component, 41-porous bottom plate, 42-porous air guide pipe, 43-filter screen, 44-sealing component, 441-installation clamping seat, 442-movable toothed rod, 443-spring, 444-gear, 445-connecting rod, 446-sealing ball, 45-vent hole, 46-swinging component, 461-swinging rod, 462-sliding groove, 463-sliding block, 47-longitudinal guide rail and 48-limit pin.
Detailed Description
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.
The present invention provides a heat dissipation device for an electrical control device, which has a specific structure as shown in fig. 1 to 12:
the main structural description is first made:
the cabinet comprises a cabinet body 1 and a fan assembly 3 arranged at the top of the cabinet body 1, wherein an upper cavity 11 and a lower cavity 12 are sequentially formed in the cabinet body 1 from top to bottom, independent cabinet doors 2 are correspondingly arranged in the upper cavity 11 and the lower cavity 12, and heat dissipation holes are symmetrically formed in two sides of the lower cavity 12;
the lower cavity 12 is internally provided with an air filtering component 4, and the air filtering component 4 comprises a fixed porous bottom plate 41, a lifting type filter screen 43 and a rotary type swinging component 46 which are arranged from top to bottom in sequence;
a plurality of vent holes 45 are uniformly formed in the porous bottom plate 41, a sealing assembly 44 is mounted on one side of each vent hole 45, the sealing assembly 44 is located between the porous bottom plate 41 and the filter screen 43, when the filter screen 43 rises, the sealing assembly 44 opens the vent holes 45, and when the filter screen 43 falls, the sealing assembly 44 closes the vent holes 45;
one end of the swinging assembly 46 is rotatably installed on the inner wall of the cabinet body 1, the other end swings up and down, when the swinging assembly 46 swings up, the filter screen 43 horizontally rises, and when the swinging assembly 46 swings down, the filter screen 43 horizontally falls;
a wedge block 21 is welded on the cabinet door 2 corresponding to the lower cavity 12, the wedge block 21 is matched with the swinging component 46, when the cabinet door 2 corresponding to the lower cavity 12 is closed, the swinging component 46 swings upwards, and when the cabinet door 2 corresponding to the lower cavity 12 is opened, the swinging component 46 swings downwards;
the upper cavity 11 is also provided with a heat dissipation clamping cavity 112 matched with the fan assembly 3, the bottom of the heat dissipation clamping cavity 112 is communicated with the lower cavity 12, and when the filter screen 43 horizontally descends to the lowest position, the fan assembly 3 guides airflow into the heat dissipation clamping cavity 112 from top to bottom; when the filter screen 43 is horizontally lifted to the highest position, the fan assembly 3 guides the airflow into the upper cavity 11 from bottom to top.
Based on the above main structure, the working principle of the heat dissipation device of the present invention is as follows:
when the integral electrical control device is used, the two cabinet doors 2 corresponding to the upper chamber 11 and the lower chamber 12 are closed, at this time, as the cabinet doors 2 are kept closed, the swinging assembly 46 is jacked up based on the wedge block 21, so that the swinging assembly 46 swings upwards, and the filter screen 43 horizontally rises to the highest position along with the swinging of the swinging assembly 46, in this state, the filter screen 43 jacks up the sealing assembly 44, so that the vent hole 45 is kept conducted, and thus, the upper chamber 11 and the lower chamber 12 in the cabinet body 1 are kept conducted; the fan assembly 3 is turned on, external air is sucked from the heat dissipation holes of the lower cavity 12, the air flow is filtered by the filter screen 43 and then passes through the porous bottom plate 41 to flow into the upper cavity 11 (the air flow circulates from bottom to top), and the original hot air in the upper cavity 11 is discharged through the fan assembly 3, so that the heat dissipation effect of rapid air circulation is achieved. Specifically, because the hot-air has the characteristic of upwards circulating, consequently set up fan assembly 3 in cabinet body 1 can effectively improve whole heat abstractor's radiating effect.
When the filter screen 43 needs to be cleaned, the cabinet door 2 corresponding to the lower cavity 12 is opened (the cabinet door 2 corresponding to the upper cavity 11 is still closed, that is, the electrical components installed in the cabinet body 1 can still normally operate), at this time, the wedge block 21 is opened along with the cabinet door 2 to separate from the swing assembly 46, the swing assembly 46 loses the limitation to swing downwards, and the filter screen 43 horizontally descends to the lowest position along with the swing of the swing assembly 46, in this state, the sealing assembly 44 loses the limitation to close the vent hole 45, so that the upper cavity 11 and the lower cavity 12 are independent and are not communicated with each other; the fan assembly 3 is opened to suck external air from the top of the cabinet body 1 to be guided into the heat dissipation clamping cavity 112 from top to bottom, so that indirect heat dissipation of the upper cavity 11 is performed, the airflow flows to the lower cavity 12 through the heat dissipation clamping cavity 112, and reversely passes through the filter screen 43, so that backwashing on the filter screen 43 is formed, and the backwashed flow can be discharged through the heat dissipation holes or the opened cabinet door 2.
As an implementation manner, in practical applications, an automatic opening device, such as an air cylinder, a motor, etc., may be provided for opening the cabinet door 2 corresponding to the lower cavity 12, so that the cabinet door 2 can automatically perform an opening operation.
Further, as an implementation manner, in practical applications, a timing setting may be performed with respect to the opening of the cabinet door 2 corresponding to the lower cavity 12, that is, backwashing of the filter screen 43 is automatically performed at certain time intervals.
Further, as another possible implementation manner, in practical application, the cabinet door 2 corresponding to the lower cavity 12 is opened: a temperature sensor can be arranged in the upper cavity 11 to detect the ambient temperature of the electrical components, and a highest threshold value and a lowest threshold value are preset; specifically, when the temperature is higher than the highest threshold value, the wind guiding speed of the fan assembly 3 can be increased, namely, the air flow flux is improved, and the heat dissipation is accelerated; when the temperature is lower than the lowest threshold value, the cabinet door 2 corresponding to the lower cavity 12 can be opened so as to automatically carry out the backwashing of the filter screen 43, and the proper temperature operation of the electrical appliance elements cannot be influenced.
Aiming at the main structure, the structure specifically comprises the following specific structures:
about fan subassembly 3, combine fig. 1, fig. 2, fig. 11 and fig. 12 to show, including welding in the installation cover at cabinet body 1 top, close soon and connect in the lid of straining at installation cover top, and be fixed in the inside radiator fan 31 of installation cover, radiator fan 31 both ends are connected with intake pipe and outlet duct respectively, the intake pipe is connected with cabinet body 1, and all install solenoid valve 32 on intake pipe and the outlet duct, all be connected with on two solenoid valves 32 and be in charge of 33, and be located the installation cover with intake pipe corresponding in charge of 33, be in charge of 33 and the heat dissipation clamp chamber 112 with the corresponding in charge of outlet duct is connected.
Therefore, the working principle of the fan assembly 3 is as follows:
fig. 11 shows the heat dissipation from bottom to top: based on the regulation and control of the electromagnetic valve 32, the cabinet body 1, the air inlet pipe, the heat radiation fan 31 and the air outlet pipe are kept conducted, and the hot air in the cabinet body 1 is effectively and directly discharged.
Fig. 12, when backwashing with flow-through from top to bottom is performed: based on the regulation and control of the electromagnetic valve 32, the air inlet pipe branch 33 and the air outlet pipe branch 33 of the heat dissipation fan 31 are kept communicated with the heat dissipation clamping cavity 112, that is, the external air is effectively guided into the heat dissipation clamping cavity 112. In this working condition, the air inlet branch pipe 33 is located in the mounting sleeve, and the top of the mounting sleeve is provided with the filter cover, so that suspended particles and dust in the air can be effectively filtered, and the filter cover removes the suspended particles and dust attached to the filter cover during the heat dissipation operation.
Regarding the heat dissipation cavity 112, referring to fig. 2, two heat conducting side plates 111 are symmetrically welded on the top of the porous bottom plate 41, and the heat dissipation cavity 112 is formed between the two heat conducting side plates 111 and the inner walls of the two sides of the cabinet 1. In practical applications, the heat conducting side plate 111 can be supported by a metal plate to have a good heat conducting effect, so as to realize heat exchange between the heat dissipating clamping cavity 112 and the upper cavity 11, thereby having a certain heat dissipating effect during backwashing operation.
Regarding the heat dissipation cavity 112, as shown in fig. 2 and fig. 3, the bottom of the porous bottom plate 41 is installed with a porous air guiding pipe 42, the porous air guiding pipe 42 and the sealing component 44 are arranged in a staggered manner, an air hole is formed on the side wall of the porous air guiding pipe 42, and both ends of the porous air guiding pipe 42 are connected and conducted with the heat dissipation cavity 112. Based on this, the airflow in the heat dissipation clamping cavity 112 is guided into the porous air guiding pipe 42 and then can uniformly flow to the filter screen 43, so as to improve the backwashing effect of the filter screen 43.
As for the sealing assembly 44, as shown in fig. 3, 4 and 5, it includes a mounting seat 441 welded to the bottom of the perforated bottom plate 41, and a movable rack 442 is slidably connected in the mounting seat 441 up and down, and a gear 444 is rotatably mounted, and the movable rack 442 is located at one side of the gear 444 and is meshed with the gear 444; the top of the movable toothed bar 442 extends into the porous bottom plate 41, and a spring 443 is welded between the top of the movable toothed bar 442 and the porous bottom plate 41; a connecting rod 445 is welded on the outer wall of the gear 444, a sealing ball 446 is welded at the movable end of the connecting rod 445, and the sealing ball 446 is matched with the vent hole 45.
It can be seen that the seal assembly 44 operates on the following principle:
in fig. 2, the filter screen 43 descends, the spring 443 maintains the initial state, the movable rack 442 is at the lowest position, and the sealing ball 446 is embedded in the bottom of the vent hole 45 to realize the sealing of the vent hole 45;
in fig. 5, the strainer 43 is lifted to push the movable rack 442 to lift, and the movable rack 442 drives the gear 444 to rotate counterclockwise, so that the sealing ball 446 is driven by the link 445 to swing counterclockwise, and the sealing ball 446 is separated from the vent 45, thereby achieving the conduction of the vent 45.
The swinging assembly 46, as shown in fig. 6, 7 and 8, includes a swinging rod 461 with one end rotatably mounted on the inner wall of the cabinet 1, and the wedge 21 is engaged with the movable end of the swinging rod 461, a sliding slot 462 is formed in the swinging rod 461, a sliding block 463 is slidably connected in the sliding slot 462, and the height of the sliding block 463 is greater than the height of the swinging rod 461.
With reference to the lower drawing of fig. 8, which shows that the cabinet door 2 is opened, the swing link 461 is at a downward swing position (i.e. the filter screen 43 is horizontally lowered to the lowest position i), and at this time, the movable end a of the swing link 461 keeps a sagging state, so that the top of the slider 463 and the top of the mounting end b of the swing link 461 are kept flush, and the filter screen 43 is kept level based on the limitations of the slider 463 and the b end.
With specific reference to the upper drawing in fig. 8, when the cabinet door 2 is closed, the wedge block 21 is driven to approach the movable end of the swing rod 461, and the movable end of the swing rod 461 is jacked up based on the inclined surface of the wedge block 21, so that the swing rod 461 swings up; in the swinging process of the swinging rod 461, the sliding block 463 inside the swinging rod 461 slides from the end a to the end b along the sliding groove 462 until the upward drawing state in fig. 8 is formed, at this time, the swinging rod 461 is at the upward swinging position (i.e. the filter screen 43 horizontally descends to the highest position ii), the movable end a of the swinging rod 461 keeps the upward state, so that the top of the sliding block 463 is flush with the top of the end a, and the filter screen 43 is kept horizontal.
In the whole swing process, the height h of the filter net 43 is set to be h, which corresponds to the height of the movable rack 442 in practical application.
As for the screen 43, as shown in fig. 9 and 10 in conjunction, a longitudinal guide 47 is provided between the perforated base plate 41 and the screen 43, and the screen 43 is engaged with the longitudinal guide 47 and ascends and descends along the longitudinal guide 47. Therefore, the stability of the filter screen 43 during lifting is effectively improved.
Regarding the longitudinal rail 47, the longitudinal rail 47 is welded on the inner wall of the cabinet body 1 and close to the cabinet door 2, and a limiting part is formed at the bottom of the longitudinal rail 47, and when the filter screen 43 horizontally descends to the lowest position, the limiting part is matched with the filter screen 43.
Regarding the swinging assembly 46, as shown in fig. 9 and 10, a detachable limit pin 48 is embedded in the inner wall of the cabinet 1, and the limit pin 48 limits the swinging position of the movable end of the swinging rod 461, and when the limit pin 48 is detached, the filter screen 43 is separated from the limit portion.
In practical applications, when the swing assembly 46 swings downward to the position shown in the lower drawing of fig. 8, the movable end of the swing link 461 is just limited on the limit pin 48, and in this state, if the limit pin 48 is removed, the swing link 461 continues to swing downward, which causes the filter screen 43 to incline, so that the filter screen 43 is separated from the limit portion of the longitudinal guide rail 47, and the filter screen 43 is transversely drawn out, thereby realizing the replacement and disassembly of the filter screen 43.
The detachable structure of the stopper pin 48 may be a snap-fit structure, a slide-type structure, a magnetic-type structure, or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A heat dissipation device of an electrical control device is characterized in that: the cabinet comprises a cabinet body (1) and a fan assembly (3) arranged at the top of the cabinet body (1), wherein an upper cavity (11) and a lower cavity (12) are sequentially formed in the cabinet body (1) from top to bottom, the upper cavity (11) and the lower cavity (12) are respectively and correspondingly provided with an independent cabinet door (2), and heat dissipation holes are symmetrically formed in two sides of the lower cavity (12);
the lower cavity (12) is internally provided with an air filtering component (4), and the air filtering component (4) comprises a fixed porous bottom plate (41), a lifting type filter screen (43) and a rotary type swinging component (46) which are sequentially arranged from top right to bottom;
a plurality of vent holes (45) are uniformly formed in the porous bottom plate (41), a sealing assembly (44) is mounted on one side of each vent hole (45), the sealing assembly (44) is located between the porous bottom plate (41) and the filter screen (43), when the filter screen (43) rises, the sealing assembly (44) opens the vent holes (45), and when the filter screen (43) descends, the sealing assembly (44) closes the vent holes (45);
one end of the swinging assembly (46) is rotatably arranged on the inner wall of the cabinet body (1), the other end of the swinging assembly swings up and down, the filter screen (43) is horizontally lifted when the swinging assembly (46) swings up, and the filter screen (43) is horizontally lowered when the swinging assembly (46) swings down;
a wedge-shaped block (21) is welded on the cabinet door (2) corresponding to the lower cavity (12), the wedge-shaped block (21) is matched with the swinging component (46), when the cabinet door (2) corresponding to the lower cavity (12) is closed, the swinging component (46) swings upwards, and when the cabinet door (2) corresponding to the lower cavity (12) is opened, the swinging component (46) swings downwards;
the upper cavity (11) is also provided with a heat dissipation clamping cavity (112) matched with the fan assembly (3), the bottom of the heat dissipation clamping cavity (112) is communicated with the lower cavity (12), and when the filter screen (43) horizontally descends to the lowest position, the fan assembly (3) guides air flow into the heat dissipation clamping cavity (112) from top to bottom; when the filter screen (43) is horizontally lifted to the highest position, the fan assembly (3) guides air flow into the upper cavity (11) from bottom to top.
2. The heat dissipating device for an electric control apparatus according to claim 1, wherein: fan subassembly (3) including weld in the installation cover at cabinet body (1) top, close soon and connect in the filter cap at installation cover top and be fixed in inside radiator fan (31) of installation cover, radiator fan (31) both ends are connected with intake pipe and outlet duct respectively, the intake pipe is connected with the cabinet body (1), and all installs solenoid valve (32), two on intake pipe and the outlet duct all be connected with on solenoid valve (32) and be in charge of (33), and be located the installation cover with intake pipe corresponding charge of (33), press from both sides chamber (112) with the heat dissipation with the corresponding charge of (33) of outlet duct and be connected.
3. The heat dissipating device for an electric control apparatus according to claim 1, wherein: two heat conduction side plates (111) are symmetrically welded at the top of the porous bottom plate (41), and a heat dissipation clamping cavity (112) is formed between the two heat conduction side plates (111) and the inner walls of the two sides of the cabinet body (1).
4. A heat dissipating device for an electric control apparatus according to claim 1 or 3, wherein: the heat dissipation device is characterized in that a porous air guide pipe (42) is installed at the bottom of the porous bottom plate (41), the porous air guide pipe (42) and the sealing component (44) are arranged in a staggered mode, air holes are formed in the side wall of the porous air guide pipe (42), and the two ends of the porous air guide pipe (42) are connected with and communicated with the heat dissipation clamp cavity (112).
5. The heat dissipating device for an electric control apparatus according to claim 1, wherein: the sealing assembly (44) comprises an installation clamping seat (441) welded at the bottom of the porous bottom plate (41), a movable toothed bar (442) is connected in the installation clamping seat (441) in a vertical sliding mode, a gear (444) is installed in a rotating mode, and the movable toothed bar (442) is located on one side of the gear (444) and meshed with the gear (444);
the top of the movable toothed bar (442) extends into the porous bottom plate (41), and a spring (443) is welded between the top of the movable toothed bar (442) and the porous bottom plate (41);
the outer wall of the gear (444) is welded with a connecting rod (445), the movable end of the connecting rod (445) is welded with a sealing ball (446), and the sealing ball (446) is matched with the vent hole (45).
6. The heat dissipating device for an electric control apparatus according to claim 1, wherein: the swing assemblies (46) are symmetrically provided with two groups, and the two groups of swing assemblies (46) are respectively installed on the inner walls of the two sides of the cabinet body (1) and are respectively matched with the two sides of the filter screen (43).
7. The heat dissipating device for an electric control apparatus as set forth in claim 6, wherein: swing assembly (46) include that one end rotates and installs pendulum rod (461) on cabinet body (1) inner wall, and wedge block (21) and the cooperation of pendulum rod (461) expansion end, spout (462) have been seted up in pendulum rod (461), sliding connection has slider (463) in spout (462), and slider (463) height is greater than pendulum rod (461) height.
8. The heat dissipating device of an electric control apparatus as claimed in any one of claims 1, 6 or 7, wherein: and a longitudinal guide rail (47) is arranged between the porous bottom plate (41) and the filter screen (43), and the filter screen (43) is matched with the longitudinal guide rail (47) and ascends and descends along the longitudinal guide rail (47).
9. The heat dissipating device for an electric control apparatus as set forth in claim 8, wherein: longitudinal rail (47) weld on the cabinet body (1) inner wall to be close to cabinet door (2), and longitudinal rail (47) bottom is formed with spacing portion, when filter screen (43) level dropped to the minimum, spacing portion cooperateed with filter screen (43).
10. The heat dissipating device for an electric control apparatus according to claim 9, wherein: the embedded detachable spacer pin (48) that has on the cabinet body (1) inner wall, and the lower hem position of pendulum rod (461) expansion end is injectd in spacer pin (48), when spacer pin (48) are dismantled, filter screen (43) break away from spacing portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193844.8A CN111386016B (en) | 2020-03-19 | 2020-03-19 | Heat dissipation device of electrical control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193844.8A CN111386016B (en) | 2020-03-19 | 2020-03-19 | Heat dissipation device of electrical control device |
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| Publication Number | Publication Date |
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| CN111386016A true CN111386016A (en) | 2020-07-07 |
| CN111386016B CN111386016B (en) | 2021-11-09 |
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| CN202010193844.8A Active CN111386016B (en) | 2020-03-19 | 2020-03-19 | Heat dissipation device of electrical control device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130267160A1 (en) * | 2012-04-09 | 2013-10-10 | Chun Long Technology Co., Ltd. | Air distribution structure of industrial cabinet |
| CN104776510A (en) * | 2015-04-03 | 2015-07-15 | 成都小蛋科技有限公司 | Filter screen self-cleaning type air impurity removal device |
| CN208385955U (en) * | 2018-06-07 | 2019-01-15 | 成都蒲江珂贤科技有限公司 | A kind of dust-proof damping type power distribution cabinet of self-cleaning |
| CN209696521U (en) * | 2018-12-11 | 2019-11-29 | 上海虎焊汽车科技有限公司 | A kind of cabinet type deduster of easy cleaning |
| CN210096437U (en) * | 2019-01-29 | 2020-02-21 | 宁波方太厨具有限公司 | Disinfection cabinet |
-
2020
- 2020-03-19 CN CN202010193844.8A patent/CN111386016B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130267160A1 (en) * | 2012-04-09 | 2013-10-10 | Chun Long Technology Co., Ltd. | Air distribution structure of industrial cabinet |
| CN104776510A (en) * | 2015-04-03 | 2015-07-15 | 成都小蛋科技有限公司 | Filter screen self-cleaning type air impurity removal device |
| CN208385955U (en) * | 2018-06-07 | 2019-01-15 | 成都蒲江珂贤科技有限公司 | A kind of dust-proof damping type power distribution cabinet of self-cleaning |
| CN209696521U (en) * | 2018-12-11 | 2019-11-29 | 上海虎焊汽车科技有限公司 | A kind of cabinet type deduster of easy cleaning |
| CN210096437U (en) * | 2019-01-29 | 2020-02-21 | 宁波方太厨具有限公司 | Disinfection cabinet |
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| CN111386016B (en) | 2021-11-09 |
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