CN217934701U

CN217934701U - Reinforced concrete prefabricated part for distribution network engineering

Info

Publication number: CN217934701U
Application number: CN202221926955.6U
Authority: CN
Inventors: 林洁珠
Original assignee: Guangdong Hengzheng Electric Co ltd
Current assignee: Guangdong Hengzheng Electric Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-29
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a it relates to the power supply field of distribution network engineering reinforced concrete prefab, it is comparatively general to aim at solving the spontaneous heating phenomenon of block terminal body, again because the relative confined air of environment does not circulate, the easier local siltation of heat leads to the problem that local temperature risees and has certain potential safety hazard, its technical scheme main points are that the inboard wall annular of prefabricated block terminal basis is provided with a plurality of heat radiation fins, heat radiation fins conflict block terminal body setting, the articulated block cover that is provided with of prefabricated block terminal basis outer wall closes block terminal open-ended protective cover plate, protective cover plate runs through the block and is provided with radiator fan, reached and made the heat radiation fins surface keep certain air flow rate, improve heat conduction efficiency, make prefabricated block terminal basis keep a safe operating temperature, reduce the effect of the probability that the incident takes place.

Description

Reinforced concrete prefabricated part for distribution network engineering

Technical Field

The utility model belongs to the technical field of power supply's technique and specifically relates to a join in marriage net work reinforced concrete prefab.

Background

The distribution box is a circuit distribution box for all users, and the distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust certain electrical parameters to prompt or send signals for deviation from normal working state. It is commonly used in various power generation, distribution and transformation substations.

In the consideration of intensity and efficiency among the present distribution network engineering, generally can adopt reinforced concrete prefabricated distribution box basis to be used for holding the block terminal body, adopt the crane hoist and mount the block terminal basis in proper order to appointed mounting groove during the use, then with the block terminal body installation go into the block terminal basis again, connect relevant circuit according to the wiring requirement at last and both can use.

The above prior art solutions have the following drawbacks: the block terminal body generally can install more electronic components and parts and be in relative confined operational environment, and self-heating phenomenon is comparatively general when each electronic components itself has certain resistance current and passes through, again because the relative closed air of environment does not circulate, and the heat is easy local siltation to lead to local temperature to rise and has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a distribution network engineering reinforced concrete prefab.

In order to achieve the above purpose, the utility model provides a following technical scheme:

including prefabricated block terminal basis and block terminal body, prefabricated block terminal basis outer wall runs through and has seted up a plurality of circuit through-holes, heat dissipation opening has been seted up to prefabricated block terminal basis lateral wall, the fixed installing support that is provided with of diapire in the prefabricated block terminal basis, block terminal body block is installed in the installing support roof, the inboard wall annular is provided with a plurality of heat radiation fins in the prefabricated block terminal basis, heat radiation fins conflict block terminal body setting, the articulated block terminal open-ended protective cover plate that is provided with the lid of prefabricated block terminal basis outer wall, protective cover plate runs through the block and is provided with radiator fan.

Through adopting above-mentioned technical scheme, the heat radiation fin who encircles the setting of block terminal body can effectively come out the heat conduction of block terminal body inside, and radiator fan can constantly mix from prefabricated block terminal basis and extract the inside air, makes the heat radiation fin surface keep certain air flow rate, improves heat conduction efficiency, makes prefabricated block terminal basis keep a safe operating temperature, reduces the probability that the incident takes place.

Further, the fixed control radiator fan that is provided with of protective cover outer wall opens and stops the device, it includes the temperature sensing pipe to open and stop the device, the temperature sensing pipe is fixed to be set up in the one side that protective cover plate is close to the block terminal body, the liquid tank has been seted up to temperature sensing pipe one end, the liquid tank is filled and is provided with appropriate amount kerosene, liquid tank laminating cell wall lid closes and is equipped with the rubber piston piece, the fixed conducting strip that is provided with laminating liquid tank cell wall of one end that kerosene was kept away from to the rubber piston piece, the one end cell wall interval that kerosene was kept away from to the liquid tank is provided with mated electrode slice, mated electrode slice distribution electric connection external power supply and radiator fan set up.

Through adopting above-mentioned technical scheme, when prefabricated distribution box basis inside temperature lasts the rising, the kerosene in the temperature sensing pipe is heated the inflation and is promoted rubber piston piece and the conducting strip at top and be close to the electrode slice this moment, when the temperature that the temperature sensing pipe is located surpassed safety threshold, the conducting strip contacts two electrode slices and makes it keep the on-state under promoting, external power supply alright order to supply power to radiator fan this moment and order about its rotation cooling, after the inside temperature of prefabricated distribution box basis descends to safe temperature, the electrode slice is kept away from to the kerosene shrink drive conducting strip, radiator fan and external power source disconnection this moment, open and stop the device and played automatic control radiator fan and stopped and opened and stop and practice thrift the effect of power consumption.

Further, the laminating of diapire is provided with the moisture absorption board in the prefabricated block terminal basis, the medicament groove has been seted up to the moisture absorption board top wall, the inside drier that has the capacity that holds of medicament inslot, the gomphosis of moisture absorption board top wall is provided with the ventilative apron that covers closes the medicament groove, the ventilative apron runs through and is provided with a plurality of air vents.

Through adopting above-mentioned technical scheme, contain the moisture absorption board of capacity drier can effectively reduce the inside air humidity of prefabricated distribution box basis, avoids the inside humidity of block terminal body too high condensation to form drop of water influence power consumption safety, has effectively guaranteed the normal use of block terminal body, and the apron of ventilating can be dismantled and set up the convenient inside drier of changing.

Further, the moisture absorption plate is close to the one side extension of prefabricated block terminal basis lateral wall and is provided with a plurality of spuds, the fixed slot of cooperation spud is seted up to prefabricated block terminal basis lateral wall, the one side extension that the fixed slot was kept away from to the moisture absorption plate is provided with the pull handle, the moisture absorption plate setting of contradicting of protective cover plate, the spacing groove that supplies pull handle block is seted up to the one side that protective cover plate is close to the pull handle.

Through adopting above-mentioned technical scheme, the protection cover plate sets up with prefabricated block terminal basis centre gripping moisture absorption board, the fixed column improves the combination degree of moisture absorption board and prefabricated block terminal basis with the fixed slot cooperation, pull handle and spacing groove have improved the combination degree of moisture absorption board and protection cover plate, can effectively lock the free space of dead moisture absorption board when the protection cover plate closes, avoid the unexpected spill influence of the inside drier of moisture absorption board to use, the pull handle makes things convenient for the pull moisture absorption board, it is more convenient to make the moisture absorption board change.

Further, the one side that prefabricated distribution box basis was kept away from to the protective cover plate extends and is provided with the gripping handle, the one side that prefabricated distribution box basis is close to the protective cover plate extends and is provided with magnetism and inhale the sand grip, the magnetic attraction recess of sand grip is inhaled to the cooperation magnetism is seted up to the protective cover plate outer wall.

Through adopting above-mentioned technical scheme, hold the handle and conveniently open and close protective cover, magnetism is inhaled the sand grip and is combined magnetism to inhale the recess and all can effectively lock protective cover, prevents that it from opening easily under the exogenic action, and it is limited that the sand grip is inhaled in combination magnetism to inhale the recess appeal simultaneously, makes things convenient for follow-up protective cover's switch.

To sum up, the beneficial technical effects of the utility model are that:

1. the radiating fins are combined with the radiating fan, so that the effects of keeping a certain air flow rate on the surfaces of the radiating fins, improving the heat conduction efficiency, keeping a safe working temperature on the basis of the prefabricated distribution box and reducing the probability of safety accidents are achieved;

2. the starting and stopping device is adopted, so that the effects of automatically controlling the starting and stopping of the cooling fan and saving electricity are achieved;

3. the moisture absorption plate is adopted, so that the air humidity inside the prefabricated distribution box foundation is reduced, and the effect that the electricity utilization safety is influenced by water drops formed by condensation of overhigh humidity inside the box body is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded schematic front view of the overall structure of the present invention;

FIG. 3 is a rear view of the overall structure of the present invention;

fig. 4 is the utility model discloses well open and stop device overall structure section schematic diagram.

In the figure, 1, a distribution box foundation is prefabricated; 11. a line via hole; 12. a heat dissipation opening; 13. mounting a bracket; 14. heat dissipation fins; 15. a distribution box body; 2. a protective cover plate; 3. a heat-dissipating fan; 4. a start-stop device; 41. a temperature sensing tube; 42. a liquid tank; 43. a rubber piston block; 44. A conductive sheet; 45. an electrode sheet; 5. a moisture absorption plate; 51. a vent cover plate; 52. fixing the pile; 53. Fixing grooves; 54. a pull handle; 55. a limiting groove; 6. magnetically attracting the convex strips; 61. magnetic attraction grooves; 7. the handle is grasped.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, 3 and 4, a reinforced concrete prefabricated part for distribution network engineering, disclosed by the utility model, comprises a prefabricated distribution box base 1 and a distribution box body 15, wherein a plurality of circuit through holes 11 are formed in the outer wall of the prefabricated distribution box base 1 in a penetrating manner, a heat dissipation opening 12 is formed in the side wall of the prefabricated distribution box base 1, a mounting bracket 13 is fixedly arranged on the inner wall of the prefabricated distribution box base 1, a plurality of heat dissipation fins 14 are annularly arranged on the inner side wall of the prefabricated distribution box base 1, the heat dissipation fins 14 are abutted against the distribution box body 15, a protective cover plate 2 covering the distribution box opening is hinged on the outer wall of the prefabricated distribution box base 1, the protective cover plate 2 is provided with a heat dissipation fan 3 in a penetrating manner, the heat dissipation fins 14 arranged around the distribution box body 15 can effectively conduct heat inside the distribution box body 15, the heat dissipation fan 3 can actively stir out internal air from the prefabricated distribution box base 1, so that the surface of the heat dissipation fins 14 keeps a certain air flow rate, the heat conduction efficiency is improved, the prefabricated distribution box base 1 keeps a safe working temperature, a protective cover plate 42 is fixedly arranged on the side of the kerosene-stopping device 4, and a plug-liquid-sealing block 42 is arranged on the side of the prefabricated distribution box base, and a temperature-sensitive rubber plug-sealing block 42 is arranged on the side of the kerosene-sealing rubber-sealing plate 42, paired electrode slice 45 distribution electric connection external power source and radiator fan 3 set up, the inside temperature of prefabricated distribution box basis 1 continuously risees, kerosene in the temperature sensing pipe 41 is heated the inflation and is promoted rubber piston piece 43 and the conducting strip 44 at top and be close to electrode slice 45 this moment, when the temperature of temperature sensing pipe 41 is located when exceeding safe threshold, conducting strip 44 contacts two electrode slices 45 under promoting and makes it keep the on-state, external power alright order to supply power to radiator fan 3 this moment and order about its rotation cooling, after the inside temperature of prefabricated distribution box basis 1 descends to safe temperature, kerosene shrink drives conducting strip 44 and keeps away from electrode slice 45, radiator fan 3 and external power source disconnection this moment, start-stop device 4 has played automatic control radiator fan 3 and has stopped and practiced thrift the effect of power consumption.

Referring to fig. 2 and 3, a moisture absorption plate 5 is attached to the inner bottom wall of the prefabricated power distribution box foundation 1, a medicament groove is formed in the top wall of the moisture absorption plate 5, a sufficient amount of desiccant is contained in the medicament groove, a ventilation cover plate 51 covering the medicament groove is embedded in the top wall of the moisture absorption plate, a plurality of vent holes are formed in the ventilation cover plate 51 in a penetrating manner, the moisture absorption plate 5 containing the sufficient amount of desiccant can effectively reduce the air humidity in the prefabricated power distribution box foundation 1, the situation that the electricity utilization safety is influenced due to the fact that the humidity in the power distribution box body 15 is condensed to form water drops through high condensation is avoided, the normal use of the power distribution box body 15 is effectively guaranteed, the ventilation cover plate 51 is detachably provided with a plurality of fixing piles 52 which are convenient to replace is arranged, a plurality of fixing piles 52 extend from one side, close to the side wall of the prefabricated power distribution box foundation 1, a fixing groove 53 matched with the fixing piles 52 is formed in the side wall of the prefabricated power distribution box foundation 1, a drawing handle 54 extends from one side, far away from the fixing groove 53, of the moisture absorption plate 5, the protective cover plate 2 is arranged to abut against the moisture absorption plate 5, one surface of the protective cover plate 2 close to the pull-out handle 54 is provided with a limiting groove 55 for clamping the pull-out handle 54, the protective cover plate 2 and the prefabricated distribution box base 1 clamp the moisture absorption plate 5, the fixing columns are matched with the fixing grooves 53 to improve the combination degree of the moisture absorption plate 5 and the prefabricated distribution box base 1, the pull-out handle 54 and the limiting groove 55 improve the combination degree of the moisture absorption plate 5 and the protective cover plate 2, when the protective cover plate 2 is closed, the movable space of the moisture absorption plate 5 can be effectively locked, the use of the moisture absorption plate 5 is prevented from being influenced by accidental spilling of a drying agent in the moisture absorption plate 5, the pull-out handle 54 facilitates the pull-out moisture absorption plate 5 to enable the moisture absorption plate 5 to be more convenient and convenient to replace, a gripping handle 7 is arranged on one surface of the protective cover plate 2 far away from the prefabricated distribution box base 1 in an extending manner, a magnetic suction raised strip 6 is arranged on one surface of the prefabricated distribution box base 1 close to the protective cover plate 2 in an extending manner, the magnetic attraction groove 61 of the magnetic attraction convex strip 6 is formed in the outer wall of the protective cover plate 2 in a matched mode, the handle is held to facilitate opening and closing of the protective cover plate 2, the magnetic attraction convex strip 6 is combined with the magnetic attraction groove 61 to effectively lock the protective cover plate 2, the protective cover plate is prevented from being opened easily under the action of external force, meanwhile, the magnetic attraction convex strip 6 is combined with the magnetic attraction groove 61 to limit attraction force, and accordingly the follow-up protective cover plate 2 can be opened conveniently.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a distribution network engineering reinforced concrete prefab, includes prefabricated block terminal basis (1) and block terminal body (15), prefabricated block terminal basis (1) outer wall runs through and has seted up a plurality of circuit through-holes (11), heat dissipation opening (12) have been seted up to prefabricated block terminal basis (1) lateral wall, the fixed installing support (13) that is provided with of bottom wall in prefabricated block terminal basis (1), block terminal body (15) block is installed in installing support (13) roof, its characterized in that: prefabricated block terminal basis (1) inboard wall annular is provided with a plurality of heat radiation fins (14), heat radiation fins (14) conflict block terminal body (15) set up, prefabricated block terminal basis (1) outer wall is articulated to be provided with to cover closes block terminal open-ended protection apron (2), protection apron (2) run through the block and are provided with radiator fan (3).

2. The reinforced concrete prefabricated member for distribution network engineering according to claim 1, characterized in that: the fixed device (4) that stops that is provided with control radiator fan (3) of opening of protective cover outer wall, open and stop device (4) including temperature sensing pipe (41), temperature sensing pipe (41) are fixed to be set up in the one side that is close to block terminal body (15) in protective cover board (2), liquid groove (42) have been seted up to temperature sensing pipe (41) one end, liquid groove (42) are filled and are provided with appropriate amount kerosene, liquid groove (42) laminating cell wall lid closes and is equipped with rubber piston piece (43), fixed conducting strip (44) that are provided with laminating liquid groove (42) cell wall of one end that kerosene was kept away from in rubber piston piece (43), the one end cell wall interval that kerosene was kept away from in liquid groove (42) is provided with mated electrode slice (45), mated electrode slice (45) distribution electric connection external power source and radiator fan (3) set up.

3. The reinforced concrete prefabricated member for distribution network engineering according to claim 2, characterized in that: prefabricated block terminal basis (1) interior diapire laminating is provided with moisture absorption board (5), the medicament groove has been seted up to moisture absorption board (5) roof, the inside drier that has the capacity that holds of medicament inslot, moisture absorption board top wall gomphosis is provided with the ventilative apron (51) that the lid closes the medicament groove, ventilative apron (51) run through and are provided with a plurality of air vents.

4. The reinforced concrete prefabricated part for distribution network engineering according to claim 3, characterized in that: the one side that moisture absorption board (5) are close to prefabricated block terminal basis (1) lateral wall extends and is provided with a plurality of spud piles (52), fixed slot (53) of cooperation spud pile (52) are seted up to prefabricated block terminal basis (1) lateral wall, the one side that fixed slot (53) were kept away from in moisture absorption board (5) extends and is provided with pull handle (54), protection apron (2) conflict moisture absorption board (5) set up, spacing groove (55) that supply pull handle (54) block are seted up to the one side that protection apron (2) are close to pull handle (54).

5. The reinforced concrete prefabricated part for distribution network engineering according to claim 4, characterized in that: the one side that prefabricated block terminal basis (1) was kept away from in protective cover board (2) extends and is provided with gripping handle (7), the one side that prefabricated block terminal basis (1) is close to protective cover board (2) extends and is provided with magnetism and inhale sand grip (6), magnetic attraction groove (61) of sand grip (6) are inhaled in the cooperation is seted up to protective cover board (2) outer wall.