CN111834932A - Intelligent distribution network safety protection device - Google Patents

Abstract

The invention belongs to the technical field of distribution network, in particular to an intelligent distribution network safety protection device. Aiming at the problem of poor heat dissipation effect of a distribution box for an intelligent distribution network in the prior art, the following solutions are proposed, including an installation box, the The two sides of the installation box are respectively detachably connected with a box door and a maintenance door, and the top of the box door is provided with an observation window, the top of the installation box is open, and the top of the installation box is detachably connected with a sealing cover plate. Installation mesh plates are fixed on both sides of the middle position between the top and bottom inner walls of the box, and a flow cavity is formed between the two installation mesh plates. In the present invention, a flow cavity is formed between the backs of each electronic device, so that heat is sent from the ventilation holes at the top to the connection box for cooling, and then returned to the installation box from the return air holes, avoiding the need for The opening of the hole and the direct connection with the external water vapor cause moisture in the box, thereby improving the safety protection effect in the distribution box.

Description

Intelligent distribution network safety protection device

technical field

The invention relates to the technical field of distribution network, in particular to an intelligent distribution network safety protection device.

Background technique

The distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators and some ancillary facilities, etc. It plays an important role in distributing electrical energy in the power network. Technology, communication technology, computer and network technology, integrate online data and offline data of distribution network, distribution network data and user data, power grid structure and geographic graphics to realize monitoring, monitoring and control of distribution system in normal operation and accident situations. The intelligentization of protection, control, power consumption and distribution management, distribution box is one of the hardware of intelligent distribution network.

During the use of the distribution box used in the intelligent distribution network system, a large amount of heat is often generated due to the work of internal circuits and electronic devices, which will cause the temperature in the distribution box to be too high and affect the power distribution during long-term use. The actual service life of the box, in the prior art, the shell of the distribution box is often provided with heat dissipation holes, but the direct connection with the outside may easily cause the interior to be damp, and the heat inside the distribution box is easy to accumulate, which leads to practical problems. Poor heat dissipation.

SUMMARY OF THE INVENTION

Based on the technical problem of poor heat dissipation effect of the distribution box for intelligent distribution network in the prior art, the present invention proposes an intelligent distribution network safety protection device.

The intelligent distribution network safety protection device proposed by the present invention includes an installation box, a box door and a maintenance door are detachably connected to both sides of the installation box, and an observation window is arranged on the top of the box door. The top is open, and the top of the installation box is detachably connected with a sealing cover plate, the two sides of the middle position between the top and bottom inner walls of the installation box are fixed with installation mesh plates, and a flow cavity is formed between the two installation mesh plates , a ventilation hole is opened at the position corresponding to the flow cavity on the outer wall of the top of the sealing cover, and a connection box with an open bottom is fixed on the top of the sealing cover, and a heat exchange member is fixed in the middle position of the top of the connection box, and the sealing Both sides of the top of the cover plate are provided with air return holes, and the inner walls of the air return holes are fixed with fans for blowing downwards.

Preferably, the outer walls of both ends of the installation box are provided with through grooves, and the inner walls of the through grooves are fixed with heat sinks. There is a difference in position of the ends in the horizontal plane.

Preferably, the installation box is arranged in a cylindrical structure, and the top and bottom of the circumferential inner wall of the installation box are provided with arc-shaped diversion grooves, and the positions corresponding to the inner walls of the box door and the maintenance door and the diversion grooves are provided with arcs The auxiliary groove of the shape structure, the guide groove and the auxiliary groove of the corresponding position form the chute of the annular structure.

Preferably, a connecting piece is slidably connected between the top and bottom inner walls of the guide groove, a guide vane is fixed on the outer wall of the connecting piece, and the top and bottom ends of the connecting piece are respectively slidably connected with the top and bottom inner walls of the auxiliary groove .

Preferably, the top and bottom ends of the connecting piece are rollingly connected with balls, and the top and bottom inner walls of the chute are provided with limit grooves, and the outer walls of the balls are rollingly connected with the inner wall of the limit groove.

Preferably, a penetrating groove is provided in the middle of the connecting piece, the guide vane is fixed on the inner wall of the through groove, the two sides of the guide vane are arranged in a corrugated structure, and the protruding parts on both sides of the guide vane are arranged in a corrugated structure. In contact with the inner wall of the through slot, a circulation gap is set between the concave parts on both sides of the guide vane and the inner wall of the through slot.

Preferably, support members distributed in an annular array are fixed on the inner wall of the bottom of the installation box, and the support members are arranged in an arc structure, and an annular structure is formed between the plurality of support members.

Preferably, the ventilation holes are provided with a plurality of positions equidistantly distributed on the top of the sealing cover plate and corresponding to the flow cavity, and the air return holes are opened in the middle of both sides of the sealing cover plate.

Preferably, partitions with arc structures are fixed on both sides between the top and bottom inner walls of the connection box, and the partitions are located between the ventilation holes and the air return holes, and both ends of the partitions are arranged to form a partition network.

Preferably, the partition plate is arranged in an arc structure, and the middle position of the partition plate is arched toward the side close to the ventilation hole.

Compared with the prior art, the present invention provides an intelligent distribution network safety protection device, which has the following beneficial effects:

1. The intelligent distribution network safety protection device has installation screen plates fixed on both sides of the middle position in the installation box, and the electronic instruments and corresponding electronic devices are arranged on the two installation screen plates respectively, so that each electronic A flow cavity is formed between the back of the device, so that the heat is sent to the connection box from the ventilation holes at the top, and the heat exchange element is used for cooling, and then sent back to the installation box through the return air hole. It can achieve uniform heat dissipation in the distribution box, improve the heat dissipation effect, and avoid direct connection with the external water vapor to cause moisture in the box, thereby improving the safety protection effect in the distribution box.

2. The intelligent distribution network safety protection device, the device sets the installation box into a cylindrical structure, and is provided with diversion grooves at the top and bottom of the inner wall of the installation box. The diversion groove is connected to the maintenance door and the inner wall of the box door. The auxiliary groove is connected, and a connecting piece is arranged between the guide canal and the inner wall of the top and bottom of the auxiliary groove. When the air flow is generated, the connecting piece rotates along the guide groove and the auxiliary groove, and the top of the connecting piece rotates by itself because of the rotating connection with the ball, so that the heat in the installation box is evenly dispersed and raised, and the radiated heat is prevented from accumulating. In a certain area, the problem of slow heat dissipation is caused, and the guide vanes arranged through the outer wall of the connector are used to improve the local air flow effect, thereby enhancing the actual heat dissipation efficiency and effect of the distribution box.

3. The intelligent distribution network safety protection device, further, the device ventilation holes are provided with a plurality of equidistantly distributed positions in the middle of the top of the sealing cover corresponding to the flow cavity, and between the ventilation holes and the return air holes on both sides. A partition with an arc-shaped structure is fixed, and the two ends of the partition are set into a partition net, and the hot air entering the ventilation hole is evenly returned from the partition net to the position of the return air hole through the partition screen of the arc-shaped structure, which further enhances the uniformity of heat dissipation. It also improves the retention time of the gas in the connection box, and further enhances the actual heat dissipation effect in the distribution box.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the intelligent distribution network safety protection device proposed by the present invention;

Fig. 2 is the top-view structure schematic diagram of the installation box of the intelligent distribution network safety protection device proposed by the present invention;

3 is a schematic cross-sectional structural diagram of an intelligent distribution network safety protection device proposed by the present invention;

Fig. 4 is the enlarged structural schematic diagram of part A of the intelligent distribution network safety protection device proposed by the present invention;

FIG. 5 is a schematic structural diagram of a connector of an intelligent distribution network safety protection device proposed by the present invention;

FIG. 6 is a schematic top view structure diagram of the connection box of the intelligent distribution network safety protection device proposed by the present invention.

In the picture: 1 installation box, 2 box door, 3 observation window, 4 installation screen plate, 5 flow cavity, 6 seal cover, 7 connection box, 8 ventilation holes, 9 return air holes, 10 guide groove, 11 auxiliary groove , 12 connectors, 13 balls, 14 limit slots, 15 guide vanes, 16 through slots, 17 heat sinks, 18 baffles, 19 partition nets, 20 support pieces, 21 heat exchange pieces.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

Example 1

1-5, the intelligent power distribution network safety protection device includes an installation box 1, the two sides of the installation box 1 are detachably connected with a box door 2 and a maintenance door, and the top of the box door 2 is provided with an observation window 3, The top of the installation box 1 is open, and the top of the installation box 1 is detachably connected with a sealing cover plate 6, and the installation screen 4 is fixed on both sides of the middle position between the top and bottom inner walls of the installation box 1, and the two installation screen plates A flow cavity 5 is formed between 4, and a ventilation hole 8 is opened at the position corresponding to the top outer wall of the sealing cover 6 and the flow cavity 5, and a connection box 7 with an opening at the bottom is fixed on the top of the sealing cover 6, and the middle of the top of the connection box 7 is fixed. A heat exchange member 21 is fixed in position, and the heat exchange member 21 adopts a semiconductor refrigeration sheet. Both sides of the top of the sealing cover 6 are provided with air return holes 9, and the inner wall of the air return hole 9 is fixed with a downward blowing fan.

In the present invention, the outer walls of both ends of the installation box 1 are provided with through grooves, and the inner walls of the through grooves are fixed with heat sinks 17 . There is a position difference on the horizontal plane at the end far from the installation screen 4;

The installation box 1 is arranged in a cylindrical structure, and the top and bottom of the inner wall of the installation box 1 are provided with a guide groove 10 with an arc structure, and the position corresponding to the guide groove 10 is opened on the inner wall of the box door 2 and the maintenance door. The auxiliary groove 11 of the shape structure, the inner end of the heat sink 17 is flush with the inner walls of the guide groove 10 and the auxiliary groove 11, the guide groove 10 and the auxiliary groove 11 at the corresponding position form a chute with an annular structure, and the guide groove A connecting piece 12 is slidably connected between the top and bottom inner walls of 10, and a guide vane 15 is fixed on the outer wall of the connecting piece 12, and the top and bottom ends of the connecting piece 12 are respectively slidably connected with the top and bottom inner walls of the auxiliary groove 11;

The top and bottom ends of the connecting piece 12 are rollingly connected with the balls 13 , and the top and bottom inner walls of the chute are provided with a limit groove 14 , and the outer wall of the ball 13 is rollingly connected with the inner wall of the limit groove 14 . A through-slot 16 is provided in the middle position, and the guide vane 15 is fixed on the inner wall of the through-slot 16. The two sides of the guide vane 15 are arranged in a corrugated structure. The inner wall of the guide vane 15 is in contact with the inner wall, and a circulation gap is set between the concave parts on both sides of the guide vane 15 and the inner wall of the through groove 16;

The inner wall of the bottom of the installation box 1 is fixed with support members 20 distributed in an annular array, and the support members 20 are arranged in an arc structure, and a ring structure is formed between the plurality of support members 20 .

When in use, the electronic instruments and the corresponding electronic devices are respectively arranged on the two installation screen plates 4, and a flow cavity 5 is formed between the backs of the electronic devices, so as to send heat to the connection box 7 from the ventilation holes 8 at the top. The heat exchange element 21 is used to cool the inside, and then sent back to the installation box 1 from the air return hole 9, with the separation of the heat sink 17 at both ends and the flow cavity 5, so as to achieve uniform heat dissipation in the distribution box, while the connecting element 12 It rotates along the guide groove 10 and the auxiliary groove 11, and the top end of the connecting piece 12 rotates by itself because of the rotating connection with the ball 13, so that the heat in the installation box 1 is evenly dispersed and raised, and the radiated heat is prevented from accumulating in a certain area. The area leads to the problem of slow heat dissipation. The guide vanes 15 arranged through the outer wall of the connector 12 are used to improve the local air flow effect, and to avoid openings and direct connection with the external water vapor to cause moisture in the box, thereby improving the safety of the distribution box. protective effect.

Example 2

1-6, the intelligent distribution network safety protection device, the ventilation holes 8 are provided with a plurality of equidistantly distributed positions on the top of the sealing cover 6 and the flow cavity 5, and the air return holes 9 are opened in the sealing cover 6. In the middle position on both sides, the two sides between the top and bottom inner walls of the connection box 7 are fixed with the partition plate 18 of the arc structure, and the partition plate 18 is located between the ventilation hole 8 and the air return hole 9, and the partition plate 18 Both ends of the separator 19 are arranged as partition nets 19 , the partition plate 18 is arranged in an arc-shaped structure, and the middle position of the partition plate 18 is arched toward the side close to the ventilation hole 8 .

When in use, the hot air entering the ventilation holes 8 is evenly returned from the separation net 19 to the position of the return air hole 9 through the partition net 19 of the arc structure, which further enhances the uniformity of heat dissipation and improves the retention of the gas in the connection box 7. time, and further enhance the actual heat dissipation effect in the distribution box.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (10)

1. An intelligent power distribution network safety protection device, including an installation box (1), two sides of the installation box (1) are detachably connected with a box door (2) and a maintenance door, and the top of the box door (2) is detachably connected An observation window (3) is provided, characterized in that the top of the installation box (1) is open, and a sealing cover plate (6) is detachably connected to the top of the installation box (1). The installation mesh plates (4) are fixed on both sides of the middle position between the bottom inner wall and the bottom inner wall, and a flow cavity (5) is formed between the two installation mesh plates (4). A ventilation hole (8) is opened at a position corresponding to the flow cavity (5), and a connection box (7) with an open bottom is fixed on the top of the sealing cover (6), and a changer is fixed at the middle position of the top of the connection box (7). In the heat piece (21), air return holes (9) are provided on both sides of the top of the sealing cover plate (6), and a fan for blowing downwards is fixed on the inner wall of the air return hole (9). 2. The intelligent distribution network safety protection device according to claim 1, characterized in that, the outer walls of both ends of the installation box (1) are provided with through grooves, and the inner walls of the through grooves are fixed with heat sinks (17 ), the end of the heat sink (17) close to the installation mesh plate (4) is flush with the inner wall of the installation box (1), and the end of the heat sink (17) away from the installation mesh plate (4) has a positional difference on the horizontal plane. 3. The intelligent distribution network safety protection device according to claim 1 or 2, wherein the installation box (1) is arranged in a cylindrical structure, and the top and bottom of the inner wall of the installation box (1) are at the top and bottom of the circumference. A diversion groove (10) with an arc-shaped structure is provided, and an auxiliary groove (11) with an arc-shaped structure is provided at the position corresponding to the inner wall of the box door (2) and the maintenance door and the diversion groove (10), and the diversion groove (10). ) and the auxiliary groove (11) at the corresponding position form a chute with an annular structure. 4. The intelligent distribution network safety protection device according to claim 3, characterized in that a connecting piece (12) is slidably connected between the top and bottom inner walls of the diversion groove (10), and the connecting piece ( A guide vane (15) is fixed on the outer wall of 12), and the top and bottom ends of the connecting piece (12) are respectively slidingly connected with the top and bottom inner walls of the auxiliary groove (11). 5. The intelligent distribution network safety protection device according to claim 4, characterized in that the top and bottom ends of the connecting piece (12) are rollingly connected with balls (13), and the top and bottom of the chute The inner walls are provided with limit grooves (14), and the outer walls of the balls (13) are rollingly connected with the inner walls of the limit grooves (14). 6. The intelligent power distribution network safety protection device according to claim 5, characterized in that a through groove (16) is provided in the middle position of the connecting piece (12), and the guide vane (15) ) is fixed on the inner wall of the through slot (16), the two sides of the guide vane (15) are arranged in a corrugated structure, the protruding parts on both sides of the guide vane (15) are in contact with the inner wall of the through slot (16), and the guide vane ( 15) A circulation gap is set between the concave parts on both sides and the inner wall of the through groove (16). 7. The intelligent distribution network safety protection device according to claim 1, characterized in that, the bottom inner wall of the installation box (1) is fixed with supporting members (20) distributed in an annular array, and the supporting members (20) It is arranged in an arc-shaped structure, and a ring-shaped structure is formed between the plurality of support members (20). 8 . The intelligent distribution network safety protection device according to claim 1 , wherein the ventilation holes ( 8 ) are provided with a plurality of equidistant distributions on the top of the sealing cover plate ( 6 ) and the flow cavity ( 5 ). 9 . The corresponding position, and the air return hole (9) is opened in the middle position on both sides of the sealing cover plate (6). 9 . The intelligent distribution network safety protection device according to claim 8 , characterized in that partitions ( 18 ) with arc structures are fixed on both sides between the top and bottom inner walls of the connection box ( 7 ). 10 . , and the partition plate (18) is located between the ventilation hole (8) and the air return hole (9), and both ends of the partition plate (18) are set as partition nets (19). 10 . The intelligent distribution network safety protection device according to claim 9 , wherein the partition plate ( 18 ) is arranged in an arc structure, and the middle position of the partition plate ( 18 ) is close to the ventilation hole ( 8 ). 11 . ) arched on one side.

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