High-voltage distribution system cooling system
Technical Field
The utility model relates to an electrical equipment application, specific theory is a high-voltage distribution system cooling system.
Background
6KV, 10KV, 35KV high voltage distribution cabinet are important composition parts among the distribution system, but its cooling ventilation system air volume of most designs is little, and later stage distribution system increases the condition that will appear generating heat after the load, leads to insulating hidden danger afterwards, generates heat, the condition such as short circuit. Conventional means all forces the heat dissipation outside equipment, but this kind of temporary heat dissipation means risk is very big, does not conform to the compulsory requirement of five preventions that the cubical switchboard used, and the cabinet door is opened, and personnel are very dangerous when patrolling and examining, and the short circuit appears in the fan also takes place the contact with electrified part easily, and a large amount of dust are taken into to the fan simultaneously, still can cause the contact resistance grow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that through the circulation of the inside air of increase cubical switchboard, make the block terminal mainly generate heat the point in time dispel the heat.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a high voltage power distribution system cooling system, characterized by: the intelligent switch cabinet comprises a switch cabinet body, a bus chamber, a breaker chamber and a distribution chamber, wherein the switch cabinet body is placed in the distribution chamber, and the bus chamber and the breaker chamber are arranged in the switch cabinet body;
a first bus isolating switch air suction opening and a second bus isolating switch air suction opening are respectively formed in the bus chamber wall, which is in the bus chamber, and the front sides of a first bus isolating switch and a second bus isolating switch face to each other, bus chamber air outlets are respectively formed in the walls of the bus chamber above the first bus isolating switch and the second bus isolating switch and are communicated with one end of a first bus chamber exhaust pipe, the other end of the first bus chamber exhaust pipe penetrates through and extends out of the distribution chamber and is communicated with one end of a first fan box, the other end of the first fan box is communicated with a cutter isolating air inlet in the wall of the distribution chamber through a second bus chamber exhaust pipe, and a first fan is arranged in the first fan box;
a circuit breaker air suction opening is formed in the wall of the circuit breaker chamber, and a circuit breaker chamber air outlet is formed in the upper portion of the circuit breaker chamber; the circuit breaker inlet scoop communicates with the one end of first circuit breaker room exhaust column, the other end of first circuit breaker room exhaust column passes and stretches out behind the electricity distribution room and the one end intercommunication of second fan case, the other end of second fan case passes through circuit breaker air intake intercommunication on second circuit breaker room exhaust column and the electricity distribution room wall, be equipped with the second fan in the second fan case.
The utility model has the advantages that: set up first bus isolator inlet scoop, second bus isolator inlet scoop and circuit breaker inlet scoop on the bus chamber wall and the circuit breaker locular wall that openly faces through the main point of generating heat at the switch board, i.e. bus chamber, increase the circulation of air to main point of generating heat department, make the main point of generating heat can in time dispel the heat, avoid breaking down. The first bus chamber exhaust pipe and the second bus chamber exhaust pipe are used for communicating the bus chamber air outlet, the first fan box and the cutter isolating air inlet; first circuit breaker room exhaust column and second circuit breaker room exhaust column communicate circuit breaker room air exit, second fan case and circuit breaker air intake, make the exhaust column get back to the electricity distribution room inside again from the wind that the electricity distribution room was drawed out, form the inner loop, and outside dust just can not get into in electricity distribution room and the equipment like this and has gone.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the air suction opening of the first bus isolating switch is provided with a dust screen at the air suction opening of the second bus isolating switch and at the air suction opening of the circuit breaker.
The beneficial effect of adopting the further scheme is that: the dust is prevented from entering the switch cabinet from the first bus isolating switch air suction opening, the second bus isolating switch air suction opening and the circuit breaker air suction opening, and the contact resistance is prevented from being increased.
Further, a first air valve is arranged at the air outlet of the bus chamber and the air outlet of the breaker chamber.
The beneficial effect of adopting the further scheme is that: the air flow exhaust speed of the air outlet of the bus chamber and the air outlet of the breaker chamber can be conveniently controlled.
Furthermore, a second air valve is arranged at the communication position of the first bus chamber exhaust pipe or the second bus chamber exhaust pipe and the first fan box, and a third air valve is arranged at the communication position of the first breaker chamber exhaust pipe or the second breaker chamber exhaust pipe and the second fan box.
The beneficial effect of adopting the further scheme is that: the speed of the gas in the exhaust pipe of the bus chamber and the exhaust pipe of the breaker chamber entering the distribution chamber can be controlled conveniently.
Furthermore, two first fans are arranged in the first fan box, and two second fans are arranged in the second fan box.
The beneficial effect of adopting the further scheme is that: two fans adopt one with one spare mode, can guarantee the gas circulation in the distribution room always, also can be when the cooling air volume is not enough, open simultaneously, reinforcing cooling effect.
Further, an air conditioner is installed in the power distribution room.
The beneficial effect of adopting the further scheme is that: the temperature in the distribution room is reduced, the air conditioner and the space of the distribution room are used for natural air mixing, circulation is carried out repeatedly, and the heat of a heating part is taken away.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the cubical switchboard body, 2, generating line room, 3, circuit breaker room, 4, electricity distribution room, 5, first generating line room exhaust column, 5.1, second generating line room exhaust column, 6, first fan, 7, first circuit breaker room exhaust column, 7.1, second circuit breaker room exhaust column, 8, second fan.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or circuit connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1, a cooling system for a high voltage power distribution system is characterized in that: including cubical switchboard body 1, bus-bar room 2, circuit breaker room 3 and electricity distribution room 4, cubical switchboard body 1 is placed subaerial in electricity distribution room 4, is equipped with bus-bar room 2 and circuit breaker room 3 in the cubical switchboard body 1 respectively, controls distribution system. Install the air conditioner in the electricity distribution room 4, control the temperature in the electricity distribution room 4, reduce the temperature in the electricity distribution room 4, carry out the natural mixed wind by air conditioner and electricity distribution room space, the circulation is reciprocal to be circulated, takes away the heat of the position that generates heat.
According to production load and power grid system operation conditions, bus power-off and power-transmission switching operation and power supply inverted bus operation mode adjustment are often performed through an isolating switch, and the isolating switch is fully disclosed in the prior patent 201510960100.3 and belongs to the prior art.
The wall of a bus chamber 2 with the front facing direction of the installation positions of a first bus isolating switch and a second bus isolating switch in a bus chamber 2 is respectively and correspondingly provided with a first bus isolating switch air suction opening and a second bus isolating switch air suction opening, the wall of the bus chamber 2 above the first bus isolating switch and the second bus isolating switch is correspondingly provided with two bus chamber air outlets, the two bus chamber air outlets are communicated with one end of a first bus chamber exhaust pipe 5 through a connecting pipeline, the other end of the first bus chamber exhaust pipe 5 penetrates through and extends out of a distribution chamber 4 and then is communicated with one end of a first fan box, and the other end of the first fan box is communicated with a cutter separating air inlet in the wall of the distribution chamber 4 through a second bus chamber exhaust pipe 5.1. Be equipped with two first fans 6 in the first fan case, two first fans 6 adopt one with one the mode of backing up, can guarantee that one of them first fan 6 breaks down, still can keep gas circulation in the distribution room always, also can open two first fans 6 simultaneously when the cooling air volume is not enough, reinforcing cooling effect.
A breaker air suction opening is formed in the wall, facing the front side of the breaker installation position, of the breaker chamber 3 in the breaker chamber 3, and a breaker chamber air outlet is correspondingly formed in the wall above the breaker chamber 3; the circuit breaker inlet scoop communicates with the one end of first circuit breaker room exhaust column 7, the other end of first circuit breaker room exhaust column 7 passes and stretches out behind electricity distribution room 4 and communicates with the one end of second fan case, the other end of second fan case passes through circuit breaker air intake intercommunication on second circuit breaker room exhaust column 7.1 and the electricity distribution room 4 wall, be equipped with two second fans 8 in the second fan case, two second fans 8 adopt one-use-one-standby mode, can guarantee when one of them second fan 8 breaks down, still can keep gas circulation in the electricity distribution room always, also can be when the cooling amount of wind is not enough, open two second fans 8 simultaneously, the reinforcing cooling effect.
Preferably, first bus isolator inlet scoop department, second bus isolator inlet scoop department and circuit breaker inlet scoop department all are provided with the dust screen, have avoided the dust to get into inside the cubical switchboard from first bus isolator inlet scoop, second bus isolator inlet scoop and circuit breaker inlet scoop, cause the contact resistance grow.
Preferably, the air outlet of the bus chamber and the air outlet of the breaker chamber are respectively provided with a first air valve, so that the air flow discharge speed of the air outlet of the bus chamber and the air outlet of the breaker chamber can be conveniently controlled.
Preferably, a second air valve is arranged at the communication position of the first bus chamber exhaust pipe 5 or the second bus chamber exhaust pipe 5.1 and the first fan box, and a third air valve is arranged at the communication position of the first breaker chamber exhaust pipe 7 or the second breaker chamber exhaust pipe 7.1 and the second fan box, so that the speed of the gas in the bus chamber exhaust pipe and the speed of the gas in the breaker chamber exhaust pipe entering the power distribution chamber 4 can be conveniently controlled.
The working principle is as follows: the main point that generates heat of switch board concentrates on first generating line isolator and the circuit breaker department in second generating line isolator department and the circuit breaker room 3 of generating line room 2, in order to increase the circulation of air of main point that generates heat, make main point that generates heat can in time dispel the heat, avoid breaking down, set up first generating line isolator inlet scoop, second generating line isolator inlet scoop and circuit breaker inlet scoop on generating line room 2 wall and circuit breaker room 3 internal circuit breaker that openly face the correspondence in generating line room 2 on the wall. When the first fan 6 and the second fan 8 operate, the heating gas in the bus room 2 and the breaker room 3 is extracted from the air outlet of the bus room and the air outlet of the breaker room, the gas is discharged into the distribution room 4 from the knife separating air inlet and the breaker air inlet on the wall of the distribution room through the first bus room exhaust pipe, the second bus room exhaust pipe, the first breaker room exhaust pipe and the second breaker room exhaust pipe, the air conditioner installed in the distribution room 4 cools the distribution room 4, the gas discharged into the distribution room 4 and the air in the distribution room 4 are naturally mixed, the circulation is repeated, and the heat of the heating part is taken away.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.