CN211701151U - Ventilation cooling switch board - Google Patents
Ventilation cooling switch board Download PDFInfo
- Publication number
- CN211701151U CN211701151U CN202020369959.3U CN202020369959U CN211701151U CN 211701151 U CN211701151 U CN 211701151U CN 202020369959 U CN202020369959 U CN 202020369959U CN 211701151 U CN211701151 U CN 211701151U
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- heat dissipation
- cabinet
- end plate
- filter screen
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- 238000009423 ventilation Methods 0.000 title claims abstract description 28
- 238000001816 cooling Methods 0.000 title description 24
- 230000017525 heat dissipation Effects 0.000 claims abstract description 51
- 230000002093 peripheral effect Effects 0.000 claims description 48
- 239000012535 impurity Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 15
- 230000009471 action Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of power distribution cabinets, in particular to a ventilation and heat dissipation power distribution cabinet, which comprises a cabinet body, wherein the cabinet body comprises a cabinet door, an outer side cover and an electric element, the power distribution cabinet also comprises a heat dissipation fan, the cabinet body also comprises a support plate and an inner surrounding plate, the inner surrounding plate is positioned in the outer surrounding plate, the open side of the inner surrounding plate is opposite to the cabinet door, the electric element is fixedly arranged on the side wall of the inner surrounding plate away from the outer side wall, a support leg is fixedly connected between the support plate and the lower surrounding plate, the inner surrounding plate is fixedly connected between the support plate and the upper end plate, a vent hole is arranged on the support plate, an air inlet channel is formed between the support plate and the lower end surface, a side wall channel is formed between the inner surrounding plate and the outer surrounding plate, heat dissipation holes are arranged on the outer surrounding plate, the exhaust pipe is communicated with the outside. The utility model discloses a be convenient for with the heat exhaust function of production in the switch board.
Description
Technical Field
The utility model relates to a switch board technical field, in particular to ventilation cooling switch board.
Background
The power distribution cabinet is divided into a power distribution cabinet, a lighting distribution cabinet and a metering cabinet, and is the final-stage equipment of a power distribution system, electric elements such as a circuit breaker, a leakage switch, a contactor, a watt-hour meter, a mutual inductor, an ampere meter and the like and lead wires for transmitting current or voltage are generally arranged in the power distribution cabinet, and various high-voltage and low-voltage power distribution cabinets are the infrastructure power supply facilities of various enterprises and public institutions and large civil office buildings.
The switch board of prior art can refer to the utility model patent that the grant bulletin number is CN206022951U, including the cabinet body, cabinet door, electric elements and with the buckle strip of electric installation component, one side border and the cabinet body of cabinet door articulate the setting, and the buckle strip includes the bottom plate of contradicting with the electric elements back, is located the rectangular shape buckle of bottom plate both sides, be equipped with the knot claw that sets up with buckle an organic whole on the buckle. When the electric element is installed, the electric element is only required to be pressed onto the buckling strip, the buckling plate limits the top and the bottom of the electric element, the position of the electric element after installation is guaranteed to be stable, and the buckling claw is arranged to clamp the electric element.
The weak point of above-mentioned prior art lies in, the switch board is generally placed for open air, and the switch board has long time continuous operation's characteristics, because the inside electrical component of switch board all is long time continuous operation, and the electrical component in the cabinet can heat production when moving, generates heat and can influence the rubber insulation material in the switch board, leads to its ageing with higher speed, insulating properties to descend, can lead to the phenomenon of inside electrical component short circuit when serious ageing, and then can lead to the fire incident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ventilation cooling switch board has realized being convenient for with the heat exhaust function that produces in the switch board.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a ventilation and heat dissipation power distribution cabinet comprises a cabinet body, wherein the cabinet body comprises a cabinet door, an outer side cover and electrical elements, the outer side cover comprises an outer peripheral plate, an upper end plate and a lower end plate, two ends of a space formed by the outer peripheral plate are in an open shape, the upper end plate and the lower end plate are respectively fixedly arranged at two ends of the open shape of the outer peripheral plate, the upper end plate and the lower end plate are mutually parallel and are perpendicular to the outer peripheral plate, the cross section of the outer peripheral plate is of a rectangular structure with one side in an open shape, one side edge of the cabinet door is hinged with one side of the open shape of the outer peripheral plate, the power distribution cabinet further comprises a heat dissipation fan, the cabinet body further comprises a support plate and an inner peripheral plate, the inner peripheral plate is positioned in the outer peripheral plate, the cross section of the inner peripheral plate is of a rectangular structure with one side in an open shape, one side of the open shape of the inner peripheral, interior bounding wall fixed connection has seted up the ventilation hole in the backup pad between backup pad and the up end, forms inlet air channel between backup pad and the lower terminal surface, forms the lateral wall passageway between interior bounding wall and the outer surrounding plate, has seted up the louvre on the outer surrounding plate, and heat dissipation fan is fixed to be set up in the one side of keeping away from lower end plate at the up end, and heat dissipation fan intercommunication has air-supply line and exhaust pipe, and the air-supply line communicates with the inner structure that interior bounding wall formed, and the exhaust pipe communicates with the external world.
By adopting the technical scheme, when the heat radiating fan works, the external air is pumped into the side wall channel from the heat radiating holes, and the external air circulating in the side wall channel exchanges heat with the inner surrounding plate, so that the effect of performing preliminary cooling on the inner surrounding plate is achieved; outside air in the lateral wall passageway enters into interior bounding wall from the ventilation hole under radiator fan's pumping in, outside air and the electric elements contact and carry out the heat exchange on the interior bounding wall this moment, realized the further cooling effect to electric elements, because radiator fan is fixed to be set up on the upper end plate, consequently, the air that enters into interior bounding wall can flow to the upper end plate from the backup pad under radiator fan's effect, make the electric elements homoenergetic in the interior bounding wall fully contact with outside air, consequently, radiator fan's heat dissipation cooling effect has further been improved, through the circulation speed of air in the improvement switch board with outside air, the ventilation and heat dissipation of improvement switch board has been realized.
The utility model discloses further set up to: the heat dissipation holes are formed in one side, close to the upper end plate, of the peripheral plate.
By adopting the technical scheme, the outside air is pumped into the side wall channel under the action of the heat dissipation fan, and the heat dissipation holes are close to the upper end plate, so that the heat dissipation fan is not easy to pump the dust on the ground into the power distribution cabinet when pumping the air, and when rainwater is gathered on the ground, the rainwater is not easy to enter the power distribution cabinet through the heat dissipation holes; after the outside air got into the louvre simultaneously, along the direction flow of lateral wall passageway from the upper end plate to end plate down under radiator fan 2's drive, consequently outside air can fully contact with whole interior bounding wall, and then has improved radiator fan to the radiating effect of switch board.
The utility model discloses further set up to: the upper end plate is fixedly covered with a cabinet cover, the cabinet cover is hollow, the heat dissipation fan is positioned in the cabinet cover, and the exhaust pipe penetrates out of the cabinet cover and is fixedly connected with the cabinet cover.
Through adopting above-mentioned technical scheme, cooling fan is located the cabinet cover, and the cabinet cover plays the effect of sheltering from to cooling fan, and under rainwater weather, the rainwater is difficult for causing the influence to cooling fan.
The utility model discloses further set up to: the cabinet body outside still is provided with first filter screen, and the fixed cover of first filter screen is established in the outside of louvre.
Through adopting above-mentioned technical scheme, when radiator fan pumped the switch board with the outside air in through the louvre, first filter screen can play the effect of blockking to the dust in the outside air and make gas can circulate, consequently makes impurity in the outside air be difficult for entering into in the switch board, and then makes the interior electric elements of switch board be difficult for receiving the influence of outside impurity.
The utility model discloses further set up to: the cabinet body outside still is connected with the rain shade, and the rain shade can cover the outside of establishing at first filter screen, and one side border and the peripheral plate of rain shade hinge set up, are provided with the connecting piece on the peripheral plate, and the connecting piece can play limiting displacement to the rain shade.
Through adopting above-mentioned technical scheme, when rainwater weather, establish the outside at filter frame and first filter screen with the rain-proof cover, will keep off the rain-proof cover through the connecting piece and spacing on peripheral plate for in the rainwater is difficult for entering into the switch board, consequently improved the adaptability of switch board under rainwater weather.
The utility model discloses further set up to: the connecting piece includes first connecting plate, second connecting plate and connecting pin, first connecting plate and peripheral slab fixed connection just are located the border department of first filter screen, the border fixed connection of peripheral slab is kept away from with the weather shield to the second connecting plate, has seted up first hole on first connecting plate, has seted up the second hole on the second connecting plate, the connecting pin sets up along the direction of perpendicular to up end plate, the connecting pin can pass the through-hole behind first hole and the coincidence of second hole.
Through adopting above-mentioned technical scheme, when establishing the rain shade cover in the filter frame outside, first connecting plate and the crisscross setting of second connecting plate pass the through-hole behind first hole and the coincidence of second hole with the connecting pin this moment for the rain shade that is in the closure state is spacing.
The utility model discloses further set up to: the air inlet channel is internally provided with a second filter screen, the second filter screen can filter impurities entering the air exhaust hole, and the aperture of the second filter screen is smaller than that of the first filter screen.
Through adopting above-mentioned technical scheme, the second filter screen can further filter the impurity that enters into in the air inlet channel's gas for impurity in the outside air is difficult for entering into interior bounding wall inboard through the ventilation hole, and then makes the electric elements be difficult for receiving the influence of impurity.
The utility model discloses further set up to: the cabinet body still includes the pull piece, and the pull piece includes baffle and connecting rod, and the baffle is located one side that outer surrounding plate opening form, baffle perpendicular to lower end plate, and the cabinet door can be located between baffle and the lower end plate, and connecting rod fixed connection baffle is close to one side of supporting leg and perpendicular to baffle, two connecting rod parallel arrangement, and the second filter screen is fixed to be set up between two connecting rods, and the second filter screen is on a parallel with the backup pad and can with the backup pad butt.
By adopting the technical scheme, when the power distribution cabinet is used for ventilating and radiating, the connecting rod is inserted between the supporting plate and the lower end plate, the second filter screen covers one side of the vent hole close to the lower end plate, and the second filter screen further filters impurity particles mixed in the outside air; when the second filter screen is blockked up, the staff can be with bolt and outer surrounding plate separation, with the baffle along the lower end plate pulling for connecting rod and lower end plate separation, then the staff can clear up or change the second filter screen on the connecting rod, in order to guarantee that the second filter screen possesses good air permeability.
To sum up, the utility model discloses following technological effect has:
by adopting the structure of the heat radiation fan, the function of improving the ventilation and heat radiation performance of the power distribution cabinet is realized;
by adopting the structure of the first filter screen, the function that external impurities are not easy to enter the power distribution cabinet is realized;
through the structure that adopts the pull, realized conveniently clearing up or the function of changing the second filter screen.
Drawings
FIG. 1 is a schematic three-dimensional view of the present implementation;
fig. 2 is a partial three-dimensional schematic view highlighting the internal structure of the electrical distribution cabinet of fig. 1;
FIG. 3 is a top cross-sectional view highlighting the internal structure of the electrical distribution cabinet of FIG. 1;
FIG. 4 is an exploded view of the drawer protruding from the cabinet of FIG. 1;
FIG. 5 is a partial three-dimensional schematic view highlighting the link of FIG. 4;
fig. 6 is a partial three-dimensional schematic drawing highlighting the gag lever post of fig. 1.
In the figure, 1, a cabinet body; 11. a cabinet door; 12. an outer cover; 121. a peripheral plate; 1211. heat dissipation holes; 122. an upper end plate; 123. a lower end plate; 13. an inner coaming; 14. a support plate; 141. supporting legs; 142. a vent hole; 15. an air inlet channel; 16. a sidewall channel; 17. a drawer; 171. a baffle plate; 172. a connecting rod; 173. a second filter screen; 174. a bolt; 18. an electrical component; 2. a heat radiation fan; 21. an air inlet pipe; 22. an exhaust duct; 3. a cabinet cover; 31. a rain cover; 32. a support bar; 4. a first filter screen; 5. a rain shield; 51. a connecting member; 511. a first connecting plate; 5111. a first hole; 512. a second connecting plate; 5121. a second hole; 513. a connecting pin; 52. a limiting rod; 521. a plug rod; 53. and (4) hinging the shaft.
Detailed Description
As shown in fig. 1 and 2, the utility model provides a ventilation and heat dissipation switch board, including the cabinet body 1, cabinet lid 3, cooling fan 2, the vertical placing of the cabinet body 1, the fixed cover of cabinet lid 3 is established in the top of the cabinet body 1, and cooling fan 2 is fixed to be set up in cabinet lid 3, has seted up louvre 1211 on the cabinet body 1, and cooling fan 2 can take out the external air from louvre 1211 to the cabinet body 1 in, can take out the air in the cabinet body 1 to the cabinet body outside simultaneously. When dispelling the heat to the cabinet body 1, in cooling fan 2 took out the external cold air and sent the cabinet body 1, the cold air got into the internal back of cabinet and carries out the heat exchange with the cabinet body 1, and then cooling fan 2 carries the cabinet body 1 outside with the air of the internal process heat exchange of cabinet, through the ventilation performance who improves the switch board, has realized carrying out abundant radiating function to the switch board.
As shown in fig. 1 and 2, the cabinet body 1 includes a cabinet door 11, an outer side cover 12, an inner surrounding plate 13, a supporting plate 14 and an electrical component 18, the outer side cover 12 includes an outer surrounding plate 121, an upper end plate 122 and a lower end plate 123, the outer surrounding plate 121 is vertically disposed, the upper and lower ends of a space formed inside the outer surrounding plate 121 are both open, the upper end plate 122 and the lower end plate 123 are respectively and fixedly disposed at the open ends of the outer surrounding plate 121, the upper end plate 122 and the lower end plate 123 are opposite to each other in the vertical direction, the upper end plate 122 and the lower end plate 123 are parallel to each other and perpendicular to the outer surrounding plate 121, the heat dissipation fan 2 is fixedly disposed on the upper end plate 122, the heat dissipation fan 2 is communicated with an air inlet pipe 21 and an exhaust pipe 22, the air inlet pipe 21 is communicated with the space inside the inner surrounding plate 13 through the upper end plate 122, the heat dissipation fan 2; referring to fig. 3, the cross section of the peripheral plate 121 is a rectangular structure with one open side, and one side edge of the cabinet door 11 is hinged to the open side of the peripheral plate 121; the inner surrounding plate 13 is positioned in the outer surrounding plate 121, the section of the inner surrounding plate 13 is a rectangular structure with one open side, the open side of the inner surrounding plate 13 is opposite to the cabinet door 11, and the electric element 18 is fixedly arranged on the inner side wall of the inner surrounding plate 13 far away from the outer side wall; the supporting plate 14 is parallel to the lower end plate 123, supporting legs 141 are fixedly connected between the supporting plate 14 and the lower end plate 123, the inner surrounding plate 13 is fixedly connected between the supporting plate 14 and the upper end plate 122, a plurality of vent holes 142 are formed in the supporting plate 14, an air inlet channel 15 is formed between the supporting plate 14 and the lower end face, and a side wall channel 16 is formed between the inner surrounding plate 13 and the outer surrounding plate 121.
When the heat dissipation fan 2 works, external air is pumped into the side wall channel 16 from the heat dissipation holes 1211, and the external air circulating in the side wall channel 16 exchanges heat with the inner surrounding plate 13, so that the effect of primarily cooling the inner surrounding plate 13 is achieved; outside air in the lateral wall passageway 16 enters into interior bounding wall 13 from ventilation hole 142 under cooling fan 2's pumping, outside air contacts and carries out the heat exchange with the electric element 18 on the interior bounding wall 13 this moment, the further cooling effect to electric element 18 has been realized, because cooling fan 2 is fixed to be set up on upper end plate 122, consequently, the air that enters into interior bounding wall 13 can flow to upper end plate 122 from backup pad 14 under cooling fan 2's effect, make the electric element 18 in the interior bounding wall 13 all can fully contact with outside air, consequently, cooling fan 2's heat dissipation effect has further been improved, through the circulation speed of the air in the improvement switch board with outside air, the ventilation cooling nature of improvement switch board has been realized.
As shown in fig. 2, the cabinet cover 3 and the upper end plate 122 form a triangular structure, the cross section of the cabinet cover 3 is a structure with a high middle part and two gradually downward sides, and the heat dissipation fan 2 is fixedly arranged between the upper end plate 122 and the cabinet cover 3. In rainy days, rainwater falling on the cabinet cover 3 can slide to the ground under the guiding action of the cabinet cover 3, and the heat dissipation fan 2 is fixedly arranged in the cabinet cover 3, so that the cabinet cover 3 can shield the heat dissipation fan 2, and the heat dissipation fan 2 is not easily influenced by the rainwater; in order to make the air flow exhausted from the exhaust pipe 22 not easily affect the air intake of the heat dissipating holes 1211, the exhaust pipe 22 of the present invention may be made of a flexible material, such as PVC material, so that the worker can conveniently adjust the exhaust direction of the exhaust pipe 22; when cooling fan 2 shut down, in order to make the rainwater be difficult for entering into exhaust pipe 22 or the clearance between exhaust pipe 22 and the cabinet cover 3, the utility model discloses fixed rain-proof lid 31 that is provided with on cabinet cover 3, fixedly connected with bracing piece 32 between rain-proof lid 31 and the cabinet cover 3, rain-proof lid 31 covers the outside of establishing at exhaust pipe 22, and rain-proof lid 31 can prevent that the exhaust pipe 22 of PVC material is impaired because of outdoor illumination simultaneously.
In order to make impurity in the outside air be difficult for entering into the switch board along with the air current that flows, as shown in fig. 3, the utility model discloses fixed being provided with first filter screen 4 on outer panel 121, the outside at louvre 1211 is established to the fixed cover of first filter screen 4, and first filter screen 4 can play the filtering action to the impurity in the outside air for impurity particle in the outside air is difficult for entering into in the cabinet body 1.
During rainwater weather, in order to prevent that the rainwater from entering into the switch board through first filter screen 4 and louvre 1211, as shown in fig. 3, the utility model discloses be provided with rain cover 5 in the first filter screen 4 outside, rain cover 5 can cover and establish the outside at first filter screen 4, it is shown to combine fig. 4 again, fig. 4 is the state schematic diagram of establishing in the first filter screen 4 outside for rain cover 5 cover, and one side border and the peripheral plate 121 of rain cover 5 pass through articulated shaft 53 and articulate the setting, and first filter screen 4 is located one side of articulated shaft 53, the utility model discloses be provided with on peripheral plate 121 and be used for playing limiting displacement's connecting piece 51 to rain cover 5, connecting piece 51 is located one side that rain cover 5 is close to first filter screen 4. When rainwater weather, establish in the outside of filter frame and first filter screen 4 with rain-proof cover 5 cover, will keep off rain cover 5 through connecting piece 51 and spacing on peripheral plate 121 for the rainwater is difficult for entering into in the switch board, has consequently improved the adaptability of switch board under rainwater weather.
Connecting piece 51 can adopt and carry on spacingly through bolted connection's mode or through the connecting pin, open rain cover 5 for the convenience, the utility model discloses an above-mentioned second mode, as shown in fig. 4 and 5, fig. 5 is the schematic diagram that rain cover 5 is closed state, connecting piece 51 includes first connecting plate 511, second connecting plate 512 and connecting pin 513, first connecting plate 511 and peripheral board 121 fixed connection, second connecting plate 512 fixed connection is on the border that articulated shaft 53 was kept away from to rain cover 5, first hole 5111 has been seted up on first connecting plate 511, second hole 5121 has been seted up on second connecting plate 512 (as shown in fig. 6), connecting pin 513 sets up along the direction that is on a parallel with outside cover 12, connecting pin 513 can pass the through-hole after first hole 5111 and the coincidence of second hole 5121. The rain fly 5 in the closed state is limited by the connecting pin 513, and the function of facilitating the worker to open and close the rain fly 5 is realized at the same time.
When keeping away from first filter screen 4 when rain-proof cover 5, in order to make rain-proof cover 5 be difficult for removing under the effect of air flow or external wind-force, as shown in fig. 1 and fig. 6, the utility model discloses a be provided with the gag lever post 52 that is used for playing limiting displacement to rain-proof cover 5 on bounding wall 121, fig. 1 is the schematic diagram that opens the state for rain-proof cover 5, gag lever post 52 rotates to be connected on bounding wall 121, gag lever post 52 is located one side that first filter screen 4 was kept away from to articulated shaft 53, gag lever post 52 and connecting piece 51 use articulated shaft 53 to set up relatively as the center, fixedly connected with inserted bar 521 on the tip of gag lever post 52, inserted bar 521 can carry out spacingly with second connecting plate 512, therefore gag lever post 52 can carry on being opening state's rain-proof cover 5.
In order to further filter the external world that enters into air intake duct 15 for impurity in the outside air is difficult for entering into ventilation hole 142, as shown in fig. 2, the utility model discloses be provided with second filter screen 173 in air intake duct 15, the aperture of second filter screen 173 is less than the aperture of first filter screen 4. The second filter screen 173 can further filter impurities in the gas entering the air intake passage 15, so that the impurities in the external air are not easy to enter the inner side of the inner surrounding plate 13 through the ventilation hole 142, and further the electric element 18 is not easy to be affected by the impurities.
The second filter 173 can be disposed in the air intake channel 15 along a direction perpendicular to the lower end plate 123, or disposed on the support plate 14 along a direction parallel to the support plate 14, so as to clean the second filter 173, as shown in fig. 4, the present invention adopts the second manner, the cabinet 1 includes a drawer 17, the drawer 17 includes a baffle 171, a connecting rod 172 and a bolt 174, the baffle 171 is disposed on one side of the opening of the peripheral plate 121, the baffle 171 is perpendicular to the lower end plate 123, the cabinet door 11 can be disposed between the baffle 171 and the lower end plate 123, the connecting rod 172 is fixedly connected to the baffle 171 near one side of the support leg 141 and perpendicular to the baffle 171, the two connecting rods 172 are disposed in parallel and form a U-shaped structure with the baffle 171, the U-shaped opening faces the support leg 141, the second filter 173 is fixedly disposed between the two connecting rods 172, and as shown in fig. 2, the second filter 173 is parallel to the support plate 14 and can abut against the support, the connecting rod 172 is fixedly detachably fixedly connected to the open side of the peripheral plate 121 by a bolt 174. When the power distribution cabinet is ventilated and cooled, the connecting rod 172 is inserted between the supporting plate 14 and the lower end plate 123, at the moment, the second filter screen 173 covers one side of the ventilation hole 142 close to the lower end plate 123, and the second filter screen 173 further filters foreign particles in the outside air; when the second filter net 173 is blocked, the worker may separate the bolt 174 from the peripheral plate 121, pull the baffle 171 along the lower end plate 123, so that the connecting rod 172 is separated from the lower end plate 123, and then the worker may clean or replace the second filter net 173 on the connecting rod 172, so as to ensure that the second filter net 173 has good ventilation.
In order to prevent rainwater from entering the power distribution cabinet from the gap between the connecting rod 172 and the peripheral plate 121 when rainwater is gathered on the ground, the rubber layer is fixedly adhered to one side of the connecting rod 172 close to the peripheral plate 121, and the rubber layer further seals the gap between the connecting rod 172 and the peripheral plate 121, so that the waterproof performance of the power distribution cabinet is enhanced; when a small amount of collected rainwater enters the air intake passage 15 through the gap between the baffle plate 171 and the peripheral plate 121, a worker can separate the baffle plate 171 from the peripheral plate 121 and then clean the rainwater on the lower end plate 123 to reduce the influence of the rainwater on the electrical component 18.
The utility model discloses a theory of operation does:
when the electric element 18 in the power distribution cabinet is cooled, the rain shield 5 is rotated towards the direction far away from the first filter screen 4, the connecting pin 513 is inserted into the first hole 5111 and the second hole 5121, the external air enters the side wall channel 16 from the heat radiation hole 1211, the heat radiation fan 2 is started, the air flow in the side wall channel 16 is sucked into the air inlet under the suction action of the suction pipe and then enters the inner surrounding plate 13, and the external air exchanges heat with the heat generated by the electric element 18 in the flowing process of the external air in the side wall channel 16, the air inlet channel 15 and the inner surrounding plate 13, so that the effect of fully ventilating and cooling the power distribution cabinet is realized, and meanwhile, the first filter screen 4 and the second filter screen 173 filter impurities in the air; in rainy days, the rain shield 5 rotates towards the direction close to the first filter screen 4, then the insertion rod 521 is inserted into the second hole 5121, and the heat dissipation hole 1211 is shielded by the rain shield 5, so that external rainwater is not easy to enter the cabinet 1.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A ventilation and heat dissipation power distribution cabinet comprises a cabinet body (1), wherein the cabinet body (1) comprises a cabinet door (11), an outer side cover (12) and an electric element (18), the outer side cover (12) comprises a peripheral plate (121), an upper end plate (122) and a lower end plate (123), two ends of a space formed by the peripheral plate (121) are in an open shape, the upper end plate (122) and the lower end plate (123) are fixedly arranged at two ends of the open shape of the peripheral plate (121) respectively, the upper end plate (122) and the lower end plate (123) are parallel to each other and are perpendicular to the peripheral plate (121), the cross section of the peripheral plate (121) is in a rectangular structure with one open side, one side edge of the cabinet door (11) is hinged with one side of the open shape of the peripheral plate (121), the ventilation and heat dissipation power distribution cabinet is characterized in that the power distribution cabinet further comprises a heat dissipation fan (2), the cabinet body (1) further comprises a support plate (14) and an inner peripheral plate, the section of the inner surrounding plate (13) is a rectangular structure with one open side, the open side of the inner surrounding plate (13) is opposite to the cabinet door (11), the electric element (18) is fixedly arranged on the side wall of the inner surrounding plate (13) far away from the outer side wall, the supporting plate (14) is parallel to the lower end plate (123), the supporting leg (141) is fixedly connected between the supporting plate (14) and the lower end plate (123), the inner surrounding plate (13) is fixedly connected between the supporting plate (14) and the upper end plate (122), the supporting plate (14) is provided with the vent hole (142), an air inlet channel (15) is formed between the supporting plate (14) and the lower end surface, a side wall channel (16) is formed between the inner surrounding plate (13) and the outer surrounding plate (121), the outer surrounding plate (121) is provided with the heat dissipation hole (1211), the heat dissipation fan (2) is fixedly arranged on the side of the upper end plate (122) far away from the lower end plate (123), the air inlet pipe (21) is communicated with the inner structure formed by the inner enclosing plate (13), and the air outlet pipe (22) is communicated with the outside.
2. A ventilation and heat-dissipation distribution cabinet according to claim 1, wherein the heat dissipation holes (1211) are formed on the side of the peripheral plate (121) near the upper end plate (122).
3. A ventilation and heat dissipation distribution cabinet according to claim 1, wherein the upper end plate (122) is fixedly covered with a cabinet cover (3), the cabinet cover (3) is hollow, the heat dissipation fan (2) is located in the cabinet cover (3), and the exhaust duct (22) penetrates through the cabinet cover (3) and is fixedly connected with the cabinet cover (3).
4. The ventilation and heat dissipation power distribution cabinet according to claim 2, wherein a first filter screen (4) is further disposed outside the cabinet body (1), and the first filter screen (4) is fixedly covered outside the heat dissipation holes (1211).
5. The ventilation and heat dissipation power distribution cabinet according to claim 4, wherein a rain shield (5) is further connected to the outer side of the cabinet body (1), the rain shield (5) can be covered on the outer side of the first filter screen (4), one side edge of the rain shield (5) is hinged to the peripheral plate (121), a connecting member (51) is arranged on the peripheral plate (121), and the connecting member (51) can limit the rain shield (5).
6. A ventilation and heat dissipation power distribution cabinet according to claim 5, wherein the connecting member (51) comprises a first connecting plate (511), a second connecting plate (512) and a connecting pin (513), the first connecting plate (511) is fixedly connected with the peripheral plate (121) and is located at the edge of the first filter screen (4), the second connecting plate (512) is fixedly connected with the edge of the rain shield (5) far away from the peripheral plate (121), a first hole (5111) is formed in the first connecting plate (511), a second hole (5121) is formed in the second connecting plate (512), the connecting pin (513) is arranged in a direction perpendicular to the upper end plate (122), and the connecting pin (513) can pass through the through hole formed by overlapping the first hole (5111) and the second hole (5121).
7. A ventilation and heat dissipation power distribution cabinet according to claim 4, characterized in that a second filter screen (173) is arranged in the air intake channel (15), the second filter screen (173) can filter the impurities entering the air exhaust hole, and the aperture of the second filter screen (173) is smaller than that of the first filter screen (4).
8. The ventilation and heat dissipation power distribution cabinet according to claim 7, wherein the cabinet body (1) further comprises a drawer (17), the drawer (17) comprises a baffle (171) and a connecting rod (172), the baffle (171) is located on one side of the opening of the peripheral plate (121), the baffle (171) is perpendicular to the lower end plate (123), the cabinet door (11) can be located between the baffle (171) and the lower end plate (123), the connecting rod (172) is fixedly connected with one side of the baffle (171) close to the supporting leg (141) and perpendicular to the baffle (171), the two connecting rods (172) are arranged in parallel, the second filter screen (173) is fixedly arranged between the two connecting rods (172), and the second filter screen (173) is parallel to the supporting plate (14) and can be abutted against the supporting plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020369959.3U CN211701151U (en) | 2020-03-21 | 2020-03-21 | Ventilation cooling switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020369959.3U CN211701151U (en) | 2020-03-21 | 2020-03-21 | Ventilation cooling switch board |
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| Publication Number | Publication Date |
|---|---|
| CN211701151U true CN211701151U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020369959.3U Expired - Fee Related CN211701151U (en) | 2020-03-21 | 2020-03-21 | Ventilation cooling switch board |
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| Country | Link |
|---|---|
| CN (1) | CN211701151U (en) |
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2020
- 2020-03-21 CN CN202020369959.3U patent/CN211701151U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |