CN202434922U - Heat radiation structure of wind power converter cabinet - Google Patents

Abstract

The utility model discloses a heat radiation structure of wind power converter rack, be equipped with the baffle in the rack, the baffle divide into the rectifier cabinet body cabinet inlayer and cabinet skin, cabinet inlayer and the outer bottom of cabinet all be equipped with the air intake, cabinet inlayer and the outer top of cabinet all are equipped with exhaust device. The utility model discloses be equipped with the baffle in the rectifier cabinet, the baffle is divided into the rectifier cabinet body cabinet inlayer and cabinet skin, and cabinet inlayer and the outer bottom of cabinet all are equipped with the air intake, and cabinet inlayer and the outer top of cabinet all are equipped with exhaust device. The air exhaust device comprises an inner air blowing device and an outer air exhaust device. The outer air suction device is a centrifugal fan, when the centrifugal fan works, airflow enters from the air inlet and exchanges heat in the wind power converter cabinet, and the temperature in the cabinet is reduced. The inner air blowing device comprises an air duct, a multi-wing centrifugal fan is arranged at the air inlet end of the air duct, and a heat dissipation device is arranged at the air outlet end of the air outlet pipeline. Simple structure, with low costs, reasonable in design, convenient maintenance and maintenance, the radiating effect is good.

Description

A heat dissipation structure of a wind power converter cabinet

【Technical field】

The utility model relates to a heat dissipation structure of a wind power converter cabinet. the

【Background technique】

At present, the structure of large-capacity wind power converter cabinets produced by various domestic manufacturers is that capacitor components, circuit board components, etc. are arranged in a cabinet. The heat dissipation structure design of the existing rectifier cabinet is not ideal, and mainly has the following defects: 1. The heat dissipation structure is complicated and the cost is high; 2. The heat dissipation structure design is unreasonable, which is very inconvenient for repair and maintenance; If the internal temperature is too high, it is easy to shorten the life of components, cause a short circuit, or even explode. the

【Content of utility model】

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a heat dissipation structure of a wind power converter cabinet with simple structure, low cost, reasonable design, convenient repair and maintenance, and good heat dissipation effect. the

The purpose of this utility model is achieved in that:

A cooling structure for a wind power converter cabinet, characterized in that the cabinet is provided with a partition, the partition divides the rectifier cabinet body into a cabinet inner layer and a cabinet outer layer, and the cabinet inner layer and the cabinet outer layer The bottom of the cabinet is provided with an air inlet, and the top of the inner layer of the cabinet and the outer layer of the cabinet are provided with an exhaust device. the

The heat dissipation structure of a wind power converter cabinet as described above is characterized in that the air exhaust device includes an internal air blower and an external air exhaust device. the

The heat dissipation structure of a wind power converter cabinet as described above is characterized in that the external exhaust device is an exhaust fan. the

The heat dissipation structure of a wind power converter cabinet as described above is characterized in that the internal air blowing device includes a centrifugal fan and a heat dissipation device. the

The heat dissipation structure of a wind power converter cabinet as described above is characterized in that the heat dissipation device includes a heat dissipation air duct connected with a centrifugal fan, a radiator is installed inside the heat dissipation air duct, and the radiator includes a plurality of heat dissipation fins. Each cooling fin gap forms a small air outlet channel. the

The heat dissipation structure of a wind power converter cabinet as described above is characterized in that a protective cover is provided on the top of the exhaust fan. the

The utility model is provided with a partition in the rectifier cabinet, and the partition divides the cabinet body of the rectifier cabinet into an inner layer of the cabinet and an outer layer of the cabinet. And the top of the outer layer of the cabinet is equipped with an exhaust device. The exhaust device includes an internal blowing device and an external exhaust device. The external air extraction device is a centrifugal fan. When the centrifugal fan is working, the airflow enters from the air inlet and performs heat exchange in the wind power converter cabinet to reduce the temperature in the cabinet. The inner blowing device includes an air duct, the air inlet end of the air duct is provided with a multi-blade centrifugal fan, and the air outlet end of the air outlet duct is provided with a cooling device. The utility model has the advantages of simple structure, low cost, reasonable design, convenient repair and maintenance, and good heat dissipation effect. the

【Description of drawings】

Fig. 1 is a perspective view of the utility model;

Fig. 2 is a perspective view of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the utility model;

Fig. 4 is a schematic diagram of the internal structure of the utility model;

Fig. 5 is a perspective view of the utility model;

Fig. 6 is the structural representation of draft device;

Fig. 7 is a structural schematic diagram of the heat dissipation device. the

【Detailed ways】

A cooling structure for a wind power converter cabinet. The wind power converter cabinet 1 is provided with a partition 2, and the partition 2 divides the rectifier cabinet body into a cabinet inner layer 11 and a cabinet outer layer 12. The cabinet The bottoms of the inner layer 11 and the outer layer 12 of the cabinet are all provided with an air inlet 13 , and the tops of the inner layer 11 of the cabinet and the outer layer 12 of the cabinet are all provided with an exhaust device 14 . the

The air exhaust device 14 includes an external exhaust device 141 and an internal blower device 142 . the

Described inner exhaust device 141 is exhaust fan, and exhaust fan is directly installed on the upper wall of cabinet inner layer 11, and in order to prevent dust from entering the rectifier cabinet, also in order to protect exhaust fan, a protective cover 1410 is also provided on the top of exhaust fan. When the exhaust fan is working, the air flow enters from the air inlet 13, and heat exchange is performed in the rectifier cabinet to reduce the temperature of the inner layer 11 of the rectifier cabinet. the

The internal air blowing device 142 includes a centrifugal fan 1421 , and the air outlet end of the centrifugal fan 1421 is provided with a cooling device 143 . The heat dissipation device 143 includes a heat dissipation air duct 1431 communicated with the air outlet duct 1421, the heat dissipation air duct 1431 is provided with a radiator 1432, and the radiator 1432 includes a plurality of cooling fins, and the gap between each cooling fin forms a small air outlet channel 1433 . After the centrifugal fan 1421 is working, the airflow enters from the air inlet 13 and passes through the small air outlet channel 1433. The cooling fins 1432 dissipate heat. Hyperthermia leads to paralysis. the

In the utility model, the internal blowing device 142 is arranged on the top of the outer layer 12 of the cabinet by a plurality of horizontal arrangements, and the number of the internal blowing device 142 can be set according to the number of power modules, and finally realizes the internal blowing of the power module for heat dissipation, and the inside of the cabinet passes through the cabinet. The top ventilation realizes the heat dissipation of the whole machine. the

Claims (6)

1. the radiator structure of a wind electric converter rack; It is characterized in that being provided with in the said rack (1) dividing plate (2); Dividing plate (2) is divided into cabinet internal layer (11) and cabinet outer (12) with the rectifier cabinet cabinet; The bottom of described cabinet internal layer (11) and cabinet outer (12) all is provided with air inlet (13), and the top of described cabinet internal layer (11) and cabinet outer (12) is equipped with air exhausting device (14).

2. the radiator structure of a kind of wind electric converter rack according to claim 1 is characterized in that described extractor fan (14) comprises interior blowing device (142) and outer extractor fan (141).

3. the radiator structure of a kind of wind electric converter rack according to claim 2 is characterized in that described outer extractor fan (141) is an air exhauster.

4. the radiator structure of a kind of wind electric converter rack according to claim 2 is characterized in that described interior blowing device (142) comprises centrifugal blower (1421) and heat abstractor (143).

5. the radiator structure of a kind of wind electric converter rack according to claim 4; It is characterized in that described heat abstractor (143) comprises the heat dissipation wind channel that links to each other with centrifugal blower (1421); The inner radiator of installing of heat dissipation wind channel; Comprise a plurality of fin on the radiator, each fin gap forms the air-out passage aisle.

6. the radiator structure of a kind of wind electric converter rack according to claim 3 is characterized in that the top of said air exhauster also is provided with a protective cover (1410).

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