A kind of converter cabinet structure
Technical field
The present invention relates to a kind of and integrated converter cabinet of cooling system.
Background technology
The type of cooling of existing converter cabinet (comprising wind electric converter cabinet, photovoltaic DC-to-AC converter cabinet) structure mainly contains two kinds, and a kind of is that outside air enters in the converter cabinet structure under the promotion of blower fan, forms forced convertion cooling, belongs to open cooling system; Another kind is that the liquid radiator of flowing through under the promotion of water pump forms a closed cycle, reaches the purpose of cooling high-power device, belongs to closed cooling system.
As shown in Figure 1, adopt the defect of air cooled open cooling system to be, some high-power device (as frequency converter) belongs to open loop system, must allow itself and the extraneous exchange that matter and energy is arranged, like this, extraneous dust, sandy soil are difficult to can, along with air enters these high-power device inside together, can meet safety to these high-power device internal structures and require to cause tremendous influence with avoiding.For avoiding dust access to plant inside, promote the complete machine degree of protection, usually labyrinth is set and the closeer dustproof cotton of percent opening is filtered entering air at the equipment opening part, but, this dustproof construction can be to the larger resistance of mobile generation of air-flow, reduce air current flow speed, greatly affect radiating effect.
As shown in Figure 2, adopt the closed cooling system of liquid cools, although the degree of protection of complete machine has obvious lifting,, owing to adopting liquid cools to have the fluid seepage risk, make the equipment whole aircraft reliability reduce; Simultaneously, adopt liquid cools, the device structure build is huge, involves great expense.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of converter cabinet structure is provided, and overcomes the existing defect that the converter cabinet structure type of cooling is unreasonable, the liquid cools reliability is low, the device structure build is huge, manufacturing cost is high.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of converter cabinet structure, comprise connected power cabinet and function counter;
This power cabinet comprises cabinet A and is arranged on the current transformer heating element in this cabinet A; This function counter comprise cabinet I and be arranged on current transformer distribution element in this cabinet I and and mesh element;
It is characterized in that, described converter cabinet structure also comprises cooling system, and this cooling system comprises evaporator fan, condenser fan, is in turn connected into evaporator, compressor, the condenser of loop by pipeline, and this loop comprises cold-producing medium;
Described evaporator, evaporator fan are arranged in described cabinet A; Wind chamber I is set between this evaporator fan and evaporator, and evaporator fan promotes the Air Flow in this cabinet A;
Described cabinet I comprises chamber I-1 and chamber I-2, described current transformer distribution element and and mesh element be arranged in this chamber I-1, described condenser is positioned at this chamber I-2 or as the chamber wall of described chamber I-2, comprise wind chamber III between this condenser and described condenser fan, this condenser fan is positioned at outside described chamber I-2 or chamber I-2 and by this condenser fan and drives and form outer circulation;
Described compressor is arranged in the cabinet of described converter cabinet structure or outside cabinet.
In converter cabinet structure of the present invention, described chamber I-2 is positioned at described chamber I-1 top.
In converter cabinet structure of the present invention, described cabinet A comprises air duct board, this air duct board is vertically arranged and is connected with top board inwall, the biside plate inwall of described cabinet A, described air duct board comprises the overdraught hole, described evaporator is vertically arranged, this evaporator is connected with described air duct board is airtight, this evaporator vent passages is communicated with described overdraught hole, and the front door of this air duct board and described evaporator, cabinet A, two side wall panels, top board and base plate form the space that described current transformer heating element is installed; This air duct board comprises and is communicated with the leg space ventilation mouth that described current transformer heating element space is installed separately and with squab panel, two side wall panels, top board and the base plate formation lower end, ,Gai air channel, air channel of cabinet A with cabinet A squab panel; This is installed described current transformer heating element space and is communicated with this top, air channel through described evaporator;
Described evaporator fan is centrifugal blower, and this evaporator fan is positioned at described air channel adjacent with described evaporator, and this evaporator fan is connected with this evaporator by wind chamber I, and this evaporator fan air outlet is downward; Or described evaporator fan is axial flow blower, this evaporator fan is positioned at bottom, described air channel, and this evaporator fan is connected with described air duct board is airtight, the leg space ventilation mouth that its air outlet or air inlet are lower end, described air channel.
In converter cabinet structure of the present invention, described cabinet A comprises air duct board, this air duct board is vertically arranged and is connected with top board inwall, front door inwall, the squab panel inwall of described cabinet A, described air duct board comprises the overdraught hole, described evaporator is vertically arranged, this evaporator is connected with described air duct board is airtight, this evaporator vent passages is communicated with described overdraught hole, and the front door of this air duct board and described evaporator, cabinet A, sidewall paneling one, squab panel, top board and base plate form the space that described current transformer heating element is installed; This air duct board and cabinet A squab panel separately and the front door of cabinet A, sidewall paneling two, squab panel, top board and base plate form lower end, ,Gai air channel, air channel and comprise and be communicated with the leg space ventilation mouth that described current transformer heating element space is installed; This is installed described current transformer heating element space and is communicated with this top, air channel through described evaporator;
Described evaporator fan is centrifugal blower, and this evaporator fan is positioned at described air channel adjacent with described evaporator, and this evaporator fan is connected with this evaporator by wind chamber I, and this evaporator fan air outlet is downward; Or described evaporator fan is axial flow blower, this evaporator fan is positioned at bottom, described air channel, the leg space ventilation mouth that its air outlet or air inlet are lower end, described air channel.
In converter cabinet structure of the present invention, the end face of described evaporator is connected and is positioned at the described current transformer heating element side of installation with described air duct board is airtight, and described converter cabinet structure comprises the wind chamber II that connects described evaporator vent passages and described current transformer heating element surface;
Or the end face of described evaporator and described air duct board are airtight is connected and is positioned at described air channel side, described converter cabinet structure comprises the wind chamber II that connects described overdraught hole and described current transformer heating element surface;
Or the end face of described evaporator and described air duct board airtight be connected and be positioned at described current transformer heating element side is installed, the facade of this evaporator is adjacent with described current transformer heating element side surface.
In converter cabinet structure of the present invention, described wind chamber II is surrounded and is formed by the wind chamber plate of top board, biside plate, front panel, described current transformer heating element uper side surface, described air duct board and the biside plate that is connected described cabinet A, front panel, described air duct board and the described current transformer heating element top surrounding of described evaporator vent passages side, described cabinet A.
In converter cabinet structure of the present invention, described chamber I-1 comprises chamber I-11 and I-12, and described current transformer distribution element is arranged on interior, the described and mesh element of this chamber I-11 and is arranged in this chamber I-11; Described chamber I-2 is positioned on described chamber I-11 or on chamber I-12.
Implement converter cabinet structure of the present invention, compared with the prior art, its beneficial effect is:
1. cooling owing to adopting cooling system to carry out the sealing air-flow, not only improved the cooling effectiveness of converter cabinet structure to heating element, also improved the complete machine degree of protection of converter cabinet structure simultaneously, improved the safety in operation of converter cabinet structure;
2. by the control to cooling system, the inlet temperature that can control the cool cycles air-flow is constant in 25 degree left and right, effectively reduces the generation of converter cabinet structural system condensation risk;
3. cooling system and current transformer host computer system is integrated, and the complete machine structure compact in design is reasonable.
The accompanying drawing explanation
Fig. 1 is the schematic diagram that existing high-power device adopts open cooling system.
Fig. 2 is the schematic diagram that existing high-power device adopts closed cooling system.
Fig. 3 is the schematic diagram of converter cabinet structure of the present invention.
Fig. 4 is the structural representation of converter cabinet structure embodiment mono-of the present invention.
Fig. 5 is power cabinet sectional elevation structural representation in converter cabinet structure embodiment mono-of the present invention.
Fig. 6 is function counter sectional elevation structural representation in converter cabinet structure embodiment mono-of the present invention.
Fig. 7 is the structural representation of converter cabinet structure embodiment bis-of the present invention.
Fig. 8 is the structural representation of converter cabinet structure embodiment tri-of the present invention.
Fig. 9 is power cabinet sectional elevation structural representation in converter cabinet structure embodiment tri-of the present invention.
Figure 10 is power distribution cabinet sectional elevation structural representation in converter cabinet structure embodiment tri-of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment mono-
As shown in Figure 3, Figure 4, converter cabinet structure of the present invention comprises connected power cabinet 100, function counter 200 and cooling system.
Power cabinet 100 comprises cabinet 1 and is arranged on the current transformer heating element in this cabinet 1; This function counter comprises cabinet I and is arranged on current transformer distribution element and and the mesh element in this cabinet I.
The alleged current transformer heating element of the present invention refers to the current transformer components and parts that current transformer when work can generate heat, and includes but not limited to reactor, resistance, power cell, electric capacity, contactor, circuit breaker, relay, transformer, Hall element, current transformer and voltage transformer, UPS(uninterrupted power supply), heater, copper bar; Current transformer distribution element includes but not limited to contactor, circuit breaker, relay, transformer; Current transformer mesh element are to include but not limited to circuit breaker, contactor, UPS(uninterrupted power supply), heater.
Cooling system comprises evaporator fan 4, condenser fan 13, is in turn connected into evaporator 2, compressor 15, the condenser 11 of loop by pipeline, and this pipeline comprises the pipeline assemblies such as expansion valve, fills cold-producing medium in loop, realizes refrigeration.In an embodiment of the present invention, power cabinet 100 can be an airtight cabinet.
As shown in Figure 5, cabinet 1 comprises air duct board 6, this air duct board 6 is vertically arranged and is connected with top board inwall, the biside plate inwall of cabinet 1, air duct board 6 comprises overdraught hole (not shown), evaporator 2 is vertically arranged, this evaporator 2 is connected with air duct board 6 is airtight, and the vent passages of evaporator 2 is communicated with the overdraught hole.Air duct board 6 forms with front door, two side wall panels, top board and the base plate of evaporator 2, cabinet 1 space that the current transformer heating element is installed; Air duct board 6 forms air channel 5 separately and with squab panel, two side wall panels, top board and the base plate of cabinet 1 with cabinet 1 squab panel, these 5 lower ends, air channel comprise the leg space ventilation mouth that is communicated with installation current transformer heating element space, and this space that current transformer heating element is installed is communicated with 5 tops, air channel through evaporator 2.
Above-mentioned " space of current transformer heating element is installed " comprising: cabinet 1 is installed the physical space and the wind-guiding wind cavity space of this physical space to evaporator 2 air intake surfaces of current transformer heating element.
Above-mentioned " air channel " refers to: be communicated with the wind-guiding wind cavity space of the leg space ventilation mouth in " space that the current transformer heating element is installed " to evaporator 2 rear side air outlets.The rear side air port of evaporator 2 can be the air port (when evaporator fan 4 adopts axial flow blowers to be arranged on air channel leg space ventilation mouth) of evaporator 2 self, can be also the air port (when evaporator fan 4 through the wind chamber 3 while connecting evaporator 2) of evaporator fan 4.
In the present embodiment, the current transformer heating element comprises and from bottom to top is arranged on the structural reactor 7 of cabinet 1, chopper resistance 8 and power cell 9, and wherein power cell 9 vertically is arranged in cabinet 1 side by side by a plurality of power models.In other embodiments, according to the design needs of current transformer, the current transformer heating element can comprise and from bottom to top is arranged on the structural reactor 7 of cabinet 1 and power cell 8, or the current transformer heating element only includes power cell 8.
Evaporator fan 4 can adopt centrifugal blower, and now evaporator fan 4 is positioned at air channel 5 adjacent with evaporator 4, and evaporator fan 4 is connected with the vent passages of evaporator 2 by wind chamber 3, and the air outlet of evaporator fan 4 is downward.Evaporator fan 4 can adopt axial flow blower, now evaporator fan 4 is positioned at the bottom in air channel 5, evaporator fan 4 is connected with air duct board 6 is airtight, and its air outlet or air inlet are as the leg space ventilation mouth of lower end, air channel, and now air channel 5 becomes the wind chamber between evaporator 2 and evaporator fan 4.
In other embodiments, air channel 5 can be set, evaporator 2, evaporator fan 4 are arranged in cabinet 1; Between evaporator fan 4 and evaporator 2, wind chamber 3 is set, evaporator fan 4 promotes the Air Flow in this cabinet 1, also can realize the object of the invention.
As shown in Fig. 4, Fig. 6, the cabinet of function counter 200 comprises chamber 201 and chamber 202, chamber 202 is positioned at chamber 201 tops, current transformer distribution element and and mesh element be arranged in this chamber 201, condenser 11 is positioned on the chamber wall of chamber 202, and condenser fan 13 is positioned at outside the roof of chamber 202, comprises wind chamber 12(between condenser 11 and condenser fan 13 now, wind chamber 12 is chamber 202), and drive and form outer circulation by condenser fan 13.In other embodiments, within condenser 11, condenser fan 13 can being arranged on to chamber 202, between condenser 11 and condenser fan 13, wind chamber 12 is set, also can realizes the object of the invention.
In the present embodiment, by the end face of evaporator 2 and air duct board 6 airtight be connected and be positioned at current transformer heating element one side is installed.The converter cabinet structure comprises the vent passages that connects evaporator 2 and the wind chamber 10 on current transformer heating element surface, and this wind chamber 10 is surrounded and formed with the wind chamber plate 101 of top board, biside plate, front panel, current transformer heating element uper side surface, air duct board 6 and the biside plate that is connected cabinet 1, front panel, air duct board 6 and the current transformer heating element top surrounding of cabinet 1 by evaporator 2 vent passages sides.In other embodiments, as shown in Figure 9, wind chamber 10 can adopt the short tube be connected on air duct board 6 to form, and surface, the other end of the contiguous current transformer heating element of this short tube one end connect air duct board 6.
In other embodiments, be connected and be positioned at air channel 5 sides the end face of evaporator 2 and air duct board 6 are airtight, the wind chamber 10 that connects overdraught hole and current transformer heating element surface is set.
In other embodiments, by the end face of evaporator 2 and air duct board 6 airtight be connected and be positioned at current transformer heating element side is installed, and the facade of evaporator 2 (being the air intake/outtake surface of vent passages) is adjacent with current transformer heating element side surface.Now, because facade and the current transformer heating element side surface of evaporator 2 are contiguous, evaporator 2 itself has been equivalent to the wind chamber 10 of wind-guiding effect, therefore wind chamber 10 can be set.
According to the design needs, compressor 15 is arranged in the cabinet of converter cabinet structure (power cabinet or function counter) or the outer (not shown) of cabinet.
Embodiment bis-
As shown in Figure 7, the present embodiment and embodiment mono-are basic identical, difference is: air channel 5 is arranged on the side of the cabinet 1 of power cabinet 100, concrete structure is: cabinet 1 comprises air duct board 6, air duct board 6 vertically arrange and with the top board inwall of cabinet 1, the front door inwall, the squab panel inwall connects, air duct board 6 comprises overdraught hole (not shown), evaporator 2 is vertically arranged, evaporator 2 is connected with air duct board 6 is airtight, the vent passages of this evaporator 2 is communicated with the overdraught hole, air duct board 6 and evaporator 2, the front door of cabinet 1, sidewall paneling 102, squab panel, top board and base plate form the space that the current transformer heating element is installed.Air duct board 6 and cabinet 1 squab panel separately and the front door of cabinet 1, sidewall paneling 103, squab panel, top board and base plate form air channel 5, these 5 lower ends, air channel arrange and are communicated with the leg space ventilation mouth that current transformer heating element space is installed; The space that the current transformer heating element is installed is communicated with 5 tops, air channel through evaporator 2.
Embodiment tri-
As shown in Fig. 8 to Figure 10, the present embodiment and embodiment mono-are basic identical, difference is: function counter comprises power distribution cabinet 400 and grid-connection cabinet 300, the chamber 402 that condenser 11 and condenser fan 13 are installed is set on the top of power distribution cabinet 400, condenser 11 and condenser fan 13 are arranged in chamber 402.
In other embodiments, the chamber that condenser 11 and condenser fan 13 are installed also can be set on grid-connection cabinet 300 tops, and condenser 11 and condenser fan 13 are arranged in this chamber, also can realize the object of the invention.