CN218896990U

CN218896990U - Dustproof heat dissipation device for power metering box

Info

Publication number: CN218896990U
Application number: CN202221600521.7U
Authority: CN
Inventors: 刘冬; 胡冰; 陈春江
Original assignee: Tianjin Chengxi Guangyuan Power Engineering Co ltd
Current assignee: Tianjin Chengxi Guangyuan Power Engineering Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-04-21
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to the technical field of power metering box heat dissipation devices, and particularly discloses a dustproof heat dissipation device for a power metering box, which comprises a power metering box body, a box door, a heat dissipation mechanism and a dustproof assembly, wherein the heat dissipation mechanism and the dustproof assembly are arranged on the power metering box body; and can realize the quick assembly disassembly of dust screen to the periodic cleaning of dust screen, help improving the filter effect of dust screen, and then strengthen the dustproof effect of power metering box.

Description

Dustproof heat dissipation device for power metering box

Technical Field

The utility model belongs to the technical field of heat dissipation devices of power metering boxes, and particularly relates to a dustproof heat dissipation device for a power metering box.

Background

The electric power metering box is equipment for metering electric energy in 3-35kv, and comprises a combined transformer, a box body, an electric meter, a lightning arrester, a vacuum circuit breaker and the like, wherein the current precision is 0.2S, and the voltage precision grade is 0.2. And in the operation process of the power metering box, a large amount of heat is easy to generate in the power metering box, so that the heat dissipation of the power metering box is realized through the dustproof heat dissipation mechanism, and meanwhile, the dust is prevented from overflowing into the power metering box, so that the damage of electric components in the power metering box is avoided, and the normal operation of the power metering box is ensured.

However, the existing dustproof heat dissipation device for the power metering box cannot realize limit fixation of the dustproof net, so that the dustproof net is easy to drop from the power metering box, and the dustproof of the power metering box is inconvenient; and can not realize the quick assembly disassembly of dust screen, the periodic cleaning of the dust screen of being inconvenient for leads to the filter effect of dust screen to worsen, influences the dustproof effect of power metering box, in addition, can not retrieve the heat in the air, leads to the waste of heat resource to contain thermal air discharge and gather around power metering box easily, make air temperature rise, cause the inside that contains thermal air to flow into power metering box once more, thereby influence the effective heat dissipation of power metering box.

Disclosure of Invention

The utility model aims to provide a dustproof heat dissipation device for a power metering box, which solves the problems that the prior art cannot realize limit fixation of a dustproof net, the dustproof net is easy to drop from the power metering box, the dustproof of the power metering box is inconvenient, heat in air cannot be recovered, and the air containing heat is easy to collect around the power metering box after being discharged, so that the air containing heat is easy to flow into the power metering box again, and heat dissipation of the power metering box is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a dustproof heat abstractor for power metering box, including power metering box, chamber door and locate cooling body and dustproof subassembly on the power metering box, still include the anti-drop mechanism that is spacing fixed with dustproof subassembly and power metering box, anti-drop mechanism includes that a plurality of symmetries are seted up in the inner chamber of the inside both sides of power metering box and are located intermeshing's gear and pinion rack in the inner chamber, the pinion rack is located the below of gear, and the one end of pinion rack is fixed with the inserted link that inserts the inside dustproof subassembly, the axostylus axostyle of gear extends to the outside of power metering box to install the runner.

Preferably, the heat dissipation mechanism includes: air inlets symmetrically arranged at two sides of the power metering box body; a vent hole formed in the inner wall of the power metering box body; the shell is fixed on the back side of the power metering box body, an air outlet is formed in one side of the shell, and a cooling fan is installed in the shell.

Preferably, the dust-proof assembly includes: the mounting grooves are symmetrically formed in two sides of the power metering box body and are communicated with the air inlet; the dust screen in the mounting groove is located to the card, the dust screen will be located the fresh air inlet of power metering box both sides and shelter from, and the slot with inserted bar assorted has all been seted up to the both sides of dust screen.

Preferably, the dustproof component is further provided with a magnetic attraction positioning component, and the magnetic attraction positioning component comprises: a groove formed in the inner wall of the mounting groove, and a magnet is arranged in the groove; and the bump is arranged on one side of the dustproof net and is contacted with the magnet.

Preferably, the heat dissipation mechanism further comprises a connection assembly, the connection assembly comprising: the connecting frame is welded on the back side of the power metering box body, a connecting groove is formed in one side of the connecting frame, and one end of the shell is inserted into the connecting groove; the locking screw rods are connected to the two sides of the connecting frame in a threaded mode, and penetrate through the end portions of the machine shell located inside the connecting grooves.

Preferably, the heat recovery device further comprises a heat recovery mechanism, the heat recovery mechanism comprising: the heat absorption pipe is arranged in the shell and is positioned between the cooling fan and the air outlet; the water inlet valve and the water outlet valve are symmetrically fixed at the top of the shell and are respectively connected with two ends of the heat absorption pipe.

Preferably, two guide plates are further arranged in the shell, the guide plates are distributed in a staggered mode from head to tail, the interior of the shell is separated to form an S-shaped channel, and the heat absorption pipe is located in the middle of the S-shaped channel.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The limiting and fixing of the dustproof net can be realized through the anti-falling mechanism, so that the dustproof net is effectively prevented from falling off the power metering box, and the dust prevention of the power metering box can be ensured; and can realize the quick assembly disassembly of dust screen to the periodic cleaning of dust screen, help improving the filter effect of dust screen, and then strengthen the dustproof effect of power metering box.

(2) The heat recovery mechanism can realize the recovery of heat in the air, so as to achieve the purpose of waste heat recovery, thereby effectively preventing the waste of heat resources;

simultaneously, can avoid heat to discharge and lead to power metering box ambient air temperature to rise, prevent that the air that contains heat from flowing into power metering box's inside once more, can realize power metering box's effective heat dissipation, great improvement power metering box's radiating effect, help guaranteeing power metering box's normal operating, extension power metering box's life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a rear view of the present utility model;

FIG. 4 is a cross-sectional view of the housing of the present utility model;

FIG. 5 is a schematic view of the heat recovery mechanism of the present utility model;

fig. 6 is an enlarged view at a in fig. 1.

In the figure: 1. a power metering box body; 2. a heat dissipation mechanism; 21. an air inlet hole; 22. a vent hole; 23. a housing; 24. an air outlet hole; 25. a heat radiation fan; 26. a deflector; 3. a dust-proof assembly; 31. a dust screen; 32. a groove; 33. a bump; 34. a magnet; 35. a mounting groove; 4. an anti-falling mechanism; 41. a rotating wheel; 42. an inner cavity; 43. a gear; 44. a toothed plate; 45. a rod; 46. a slot; 5. a door; 6. a heat recovery mechanism; 61. a water inlet valve; 62. a drain valve; 63. a heat absorbing pipe; 7. a connection assembly; 71. locking the screw rod; 72. a connection frame; 73. and a connecting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4 and 6 together: the utility model provides a dustproof heat abstractor for power metering box, including power metering box 1, chamber door 5 and locate the cooling machanism 2 and dustproof subassembly 3 on the power metering box 1, still include with dustproof subassembly 3 with the spacing fixed anti-drop mechanism 4 of power metering box 1, anti-drop mechanism 4 includes that a plurality of symmetries are seted up in the inner chamber 42 of the inside both sides of power metering box 1, and locate intermeshing's gear 43 and pinion rack 44 in the inner chamber 42, pinion rack 44 is located gear 43's below, and the one end of pinion rack 44 is fixed with the inserted link 45 that inserts dustproof subassembly 3 inside, gear 43's axostylus axostyle extends to the outside of power metering box 1, and install runner 41.

As shown in fig. 1 to 4, the heat dissipation mechanism 2 specifically includes: air inlets 21 symmetrically arranged on two sides of the power metering box body 1; a vent hole 22 formed in the inner wall of the power metering box body 1; a casing 23 fixed on the back side of the power metering box 1, an air outlet 24 is formed on one side of the casing 23, and a cooling fan 25 is installed inside the casing 23.

As shown in fig. 1, 2 and 6, the dust-proof assembly 3 specifically includes: the mounting grooves 35 are symmetrically formed on two sides of the power metering box body 1, and the mounting grooves 35 are communicated with the air inlet holes 21; the dust screen 31 is clamped in the mounting groove 35, the dust screen 31 shields the air inlet holes 21 positioned on two sides of the power metering box body 1, and slots 46 matched with the inserting rods 45 are formed on two sides of the dust screen 31.

In the running process of the power metering box, the cooling fan 25 works under the control of the power metering box control unit, air in the power metering box body 1 is sucked into the shell 23 through the ventilation hole 22 and is discharged through the air outlet hole 24, at the moment, negative pressure is formed in the power metering box body 1, so that external air is sucked into the power metering box body 1 through the air inlet hole 21, the flowing of the air in the power metering box body 1 is realized, the purpose of heat exchange is achieved, and the efficient heat dissipation of the power metering box is realized;

meanwhile, in the heat dissipation process of the power metering box, when external air flows into the power metering box body 1 through the air inlet 21, the dust screen 31 arranged in the mounting groove 35 can filter the air so as to prevent dust from flowing into the power metering box body 1 along with the air, thereby achieving the purpose of dust prevention, ensuring the heat dissipation performance of the power metering box and ensuring the normal operation of electric components in the power metering box;

in addition, when the dust screen 31 is installed, a user can rotate the gear 43 through the rotating wheel 41, so that the gear 43 drives the toothed plate 44 meshed with the gear to move along the inner cavity 42 and drives the inserting rod 45 to move, so that the inserting rod 45 is retracted into the inner cavity 42, then the user clamps the dust screen 31 into the installation groove 35, and reversely rotates the gear 43 through the rotating wheel 41 again, so that the gear 43 drives the toothed plate 44 to move, so as to drive the inserting rod 45 to move and insert into the slots 46 at two ends of the dust screen 31, so that the dust screen 31 is inserted and connected, and therefore limit fixation of the dust screen 31 is realized, the dust screen 31 is effectively prevented from falling from the power metering box, and dust prevention of the power metering box can be ensured; the dust screen 31 can be quickly disassembled and assembled, so that the dust screen 31 can be conveniently cleaned regularly, the filtering effect of the dust screen 31 can be improved, and the dust-proof effect of the power metering box can be further improved;

it should be noted that, in this embodiment, as shown in fig. 6, guide blocks are mounted on two sides of one end of the toothed plate 44, and guide grooves are formed on two sides of the inner wall of the inner cavity 42, and when the toothed plate 44 moves along the inner cavity 42, the guide blocks can slide along the guide grooves to limit the toothed plate 44, so as to ensure stable movement of the toothed plate 44.

As shown in fig. 1 and 6, for the dust-proof component 3, a magnetic positioning component is further disposed on the dust-proof component 3, and the magnetic positioning component includes: the groove 32 is arranged on the inner wall of the mounting groove 35, and the magnet 34 is arranged in the groove 32; a projection 33 is mounted on one side of the dust screen 31, and the projection 33 is in contact with the magnet 34.

When the dust screen 31 is clamped into the mounting groove 35, the protruding block 33 on one side of the dust screen 31 is inserted into the groove 32, is contacted with the magnet 34 in the groove 32, and then the magnet 34 magnetically attracts the protruding block 33 under the magnetic action, so that the dust screen 31 and the mounting groove 35 are positioned quickly, and the dust screen 31 is mounted conveniently;

in addition, in the present embodiment, the bump 33 is made of a ferrous material or a magnetic material with a magnetic opposite to that of the magnet 34, so as to ensure the magnetic attraction between the bump 33 and the magnet 34.

As shown in fig. 2 to 4, with respect to the heat dissipation mechanism 2 described above, the heat dissipation mechanism 2 further includes a connection assembly 7, and the connection assembly 7 includes: the connecting frame 72 is welded on the back side of the power metering box body 1, one side of the connecting frame 72 is provided with a connecting groove 73, and one end of the shell 23 is inserted into the connecting groove 73; the locking screw rods 71 are screwed on the two sides of the connecting frame 72, and the locking screw rods 71 penetrate through the end parts of the casing 23 positioned in the connecting grooves 73.

When the cooling fan 25 in the casing 23 is damaged and needs to be maintained, a user can unscrew the locking screw 71 and pull the casing 23, so that the end part of the casing 23 moves along the connecting groove 73 until the end part is separated, the cooling fan 25 is detached from the power metering box body 1, then the user maintains the cooling fan 25, after maintenance, the user inserts the casing 23 on the connecting frame 72, so that the end part of the casing 23 is inserted into the connecting groove 73, and then screws the locking screw 71 to screw the casing 23 and the connecting frame 72, thereby realizing quick assembly and disassembly of the cooling fan 25, being beneficial to realizing quick maintenance of the cooling fan 25 and ensuring efficient heat dissipation of the power metering box.

Referring to fig. 2 to 5, the dustproof heat dissipation device for the power metering box further includes a heat recovery mechanism 6, and the heat recovery mechanism 6 includes: a heat absorbing pipe 63 installed inside the cabinet 23, and the heat absorbing pipe 63 is located between the heat radiating fan 25 and the air outlet hole 24; the inlet valve 61 and the outlet valve 62 are symmetrically fixed to the top of the cabinet 23, and the inlet valve 61 and the outlet valve 62 are respectively connected to both ends of the heat absorbing pipe 63.

When the electric power metering box is used, a user firstly connects the water inlet valve 61 and the water outlet valve 62 with external pipelines respectively, then in the heat dissipation process of the electric power metering box, the user can open the water inlet valve 61 to enable cold water to be injected into the heat absorption pipe 63 through the water inlet valve 61, then the heat absorption pipe 63 absorbs heat of air conveyed into the casing 23 through the cold water in the heat absorption pipe, after absorbing heat, the cold water forms hot water, then the user opens the water outlet valve 62 to discharge the hot water for external use, and the air after absorbing heat is discharged through the air outlet hole 24, so that the heat recovery in the air is realized, the purpose of waste heat recovery is achieved, the waste of heat resources is effectively prevented, the temperature rise of the air around the electric power metering box caused by heat discharge can be avoided, the air containing heat is prevented from flowing into the inside of the electric power metering box again, the effective heat dissipation of the electric power metering box can be realized, the heat dissipation effect of the electric power metering box is greatly improved, the normal operation of the electric power metering box is facilitated, and the service life of the electric power metering box is prolonged.

As shown in fig. 4, for the heat recovery mechanism 6, two guide plates 26 are further disposed inside the casing 23, and the two guide plates 26 are staggered from head to tail, and separate the inside of the casing 23 to form an S-shaped channel, and the heat absorbing pipe 63 is located in the middle of the S-shaped channel.

When radiator fan 25 draws in the casing 23 with the inside air of power metering box 1, the guide plate 26 can carry out the water conservancy diversion with the air for the air flows along in the S type passageway, thereby increases the flow of air, slows down the velocity of flow of air, realizes that air and heat absorption pipe 63 fully contact, and then improves the radiating effect in the air.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dustproof heat abstractor for power metering box, including power metering box (1), chamber door (5) and locate cooling machanism (2) and dustproof subassembly (3) on power metering box (1), its characterized in that: still including spacing fixed anti falling mechanism (4) with dustproof subassembly (3) and power metering box (1), anti falling mechanism (4) are including a plurality of symmetries offer inner chamber (42) in inside both sides of power metering box (1) to and locate intermeshing's gear (43) and pinion rack (44) in inner chamber (42), pinion rack (44) are located the below of gear (43), and the one end of pinion rack (44) is fixed with insert pole (45) of inserting dustproof subassembly (3) inside, the axostylus axostyle of gear (43) extends to the outside of power metering box (1) to install runner (41).

2. The dustproof heat dissipating apparatus for a power metering box according to claim 1, wherein: the heat dissipation mechanism (2) includes: air inlet holes (21) symmetrically arranged at two sides of the power metering box body (1); a vent hole (22) arranged on the inner wall of the power metering box body (1); the shell (23) is fixed on the back side of the power metering box body (1), an air outlet hole (24) is formed in one side of the shell (23), and a cooling fan (25) is installed in the shell (23).

3. The dustproof heat dissipating apparatus for a power metering box according to claim 2, wherein: the dust-proof assembly (3) comprises: the mounting grooves (35) are symmetrically formed in two sides of the power metering box body (1), and the mounting grooves (35) are communicated with the air inlet holes (21); the dustproof net (31) is clamped in the mounting groove (35), the dustproof net (31) shields air inlet holes (21) positioned on two sides of the power metering box body (1), and slots (46) matched with the inserting rods (45) are formed in two sides of the dustproof net (31).

4. A dustproof heat sink for a power metering box according to claim 3, characterized in that: still be equipped with magnetism on dustproof subassembly (3) and inhale locating component, magnetism is inhaled locating component and is included: a groove (32) arranged on the inner wall of the mounting groove (35), and a magnet (34) is arranged in the groove (32); and a protruding block (33) mounted on one side of the dust-proof net (31), wherein the protruding block (33) is contacted with the magnet (34).

5. The dustproof heat dissipating apparatus for a power metering box according to claim 2, wherein: the heat dissipation mechanism (2) further comprises a connecting component (7), and the connecting component (7) comprises: the connecting frame (72) is welded on the back side of the power metering box body (1), a connecting groove (73) is formed in one side of the connecting frame (72), and one end of the shell (23) is inserted into the connecting groove (73); the locking screw rods (71) are in threaded connection with the two sides of the connecting frame (72), and the locking screw rods (71) penetrate through the end parts of the machine shell (23) positioned in the connecting grooves (73).

6. The dustproof heat dissipating apparatus for a power metering box according to claim 2, wherein: further comprises a heat recovery mechanism (6), the heat recovery mechanism (6) comprising: a heat absorption pipe (63) installed inside the casing (23), wherein the heat absorption pipe (63) is positioned between the heat radiation fan (25) and the air outlet hole (24); the water inlet valve (61) and the water outlet valve (62) are symmetrically fixed at the top of the shell (23), and the water inlet valve (61) and the water outlet valve (62) are respectively connected with two ends of the heat absorption pipe (63).

7. The dustproof heat sink for a power metering box according to claim 6, wherein: two guide plates (26) are further arranged in the shell (23), the guide plates (26) are distributed in a staggered mode from head to tail, the interior of the shell (23) is separated to form an S-shaped channel, and the heat absorption pipe (63) is located in the middle of the S-shaped channel.