CN209184046U - A high voltage electric cabinet - Google Patents

Abstract

The utility model provides a high-voltage electric cabinet, which includes a box body, a cooling device arranged on the box body, and a bearing device arranged in the box body; the top of the box body is provided with an air outlet, and the corresponding air outlet on the box body The position of the shielding assembly is provided; the cooling device includes cooling pipes correspondingly arranged on both sides of the box body, an inlet fan is provided at the position corresponding to the cooling pipe at the bottom of the box body, and an air inlet pipe connected with the inlet fan is arranged inside the box body, so One end of the air inlet pipe towards the middle of the box body is arranged obliquely upward. The utility model has high reliability and good heat dissipation performance, and can continuously cool the high-voltage electric cabinet, greatly improving the service life of the electric cabinet; by setting the cooling pipe and the inlet fan, the combination of air cooling and water cooling is realized, The air blown into the box by the inlet fan will first pass through the cooling pipe to cool down and cool down, and the cold air blown through the air inlet pipe can also be collected by the U-shaped groove on the perforated partition, so that the cold wind can better flow to the perforated partition Cool down.

Description

A high voltage electric cabinet

technical field

The invention belongs to the field of electric cabinets, and in particular relates to a high-voltage electric cabinet.

Background technique

The power distribution cabinet is an important device in the power system. It is generally used in the occasions where the load is relatively scattered and the circuit is relatively small. At present, with the increasing load of electrical equipment, the capacity of the power distribution cabinet is also increasing. The heat is also very large. Since the power distribution cabinet is usually a closed structure, the heat dissipation of the heating elements inside the power distribution cabinet has become a difficult problem in the industry. In the power distribution cabinets of the prior art, some cabinets are provided with cooling louvers on the surface, and the ambient temperature Too high will affect the performance of electrical components, and poor ventilation will often affect the service life of the distribution box. Large size, high cost, and inconspicuous heat dissipation effect, it is urgent to develop a power distribution cabinet with reasonable design, energy saving and consumption reduction, and good heat dissipation efficiency.

SUMMARY OF THE INVENTION

In view of this, the present invention aims to overcome the above-mentioned defects in the prior art, and proposes a high-voltage electric cabinet.

In order to achieve the above object, the technical solution created by the present invention is achieved in this way:

A high-voltage electric cabinet, including a box body, a cooling device arranged on the box body, and a bearing device arranged in the box body; an air outlet is provided on the top of the box body, and a shielding assembly is provided at a position corresponding to the air outlet on the box body The cooling device includes corresponding cooling pipes arranged on both sides of the box body, an air inlet fan is provided at the position corresponding to the cooling pipe at the bottom of the box body, and an air inlet pipe connected with the air inlet fan is arranged in the box body, and the air inlet pipe faces toward the box. One end of the middle part of the body is arranged obliquely upward; the carrying device includes a partition with holes arranged horizontally in the box, an arc-shaped protrusion is provided on the position corresponding to the partition with holes on the cooling pipe, and a partition with holes is provided on the cooling pipe. Grooves to match protrusions.

Further, the cooling pipe is filled with cooling liquid, and the tank is provided with a liquid storage tank communicating with the cooling pipe.

Further, the bottom of the box is provided with a circulation pump connected to the cooling pipe, and the top is provided with a heat exchanger for dissipating heat from the cooling pipe; the heat exchanger is provided corresponding to the air outlet.

Further, the shielding assembly includes a conical sunshade provided on the top of the box, and there is a gap between the sunshade and the top of the box to facilitate air exhaust.

Further, the top of the sunshade is provided with a reflective film, and the bottom is provided with an arc-shaped air diversion plate at the position corresponding to the air outlet, and a vertical air distribution plate is provided on the side of the air guide plate facing the air outlet.

Further, the bottom of the perforated partition is provided with a U-shaped groove for collecting cold air.

Compared with the prior art, the present invention has the following advantages:

The invention has high reliability and good heat dissipation performance, which greatly improves the service life of the electric cabinet; by setting the cooling pipe and the inlet fan, the combination of air cooling and water cooling is realized, and the wind blown into the cabinet by the inlet fan will first pass through the cooling pipe Cooling, the cold air blown through the air inlet pipe can also be collected by the U-shaped groove on the perforated partition, so that the cold air can better cool down the perforated partition; the raised part on the cooling pipe can increase The contact area between the cooling pipe and the perforated partition is large, so that the cooling pipe can not only cool the temperature of the box, but also directly cool the perforated partition and the components on the perforated partition, so as to better control the perforated partition. The components on the board are cooled to avoid overheating and damage to the components in the box, which greatly improves the service life of the components.

The sunshade in the invention can not only block sunlight and reduce the temperature of the box body, but also can block rainwater, prevent rainwater from entering the electric cabinet, and ensure that the electric cabinet will not be damaged; The heater can cool down the cooling pipe, which greatly improves the cooling efficiency of the cooling pipe; the air distribution plate on the sunshade can divert the air discharged from the air outlet, and the arc-shaped guide plate will deflect the wind, so that the wind can blow to the The heat exchangers on both sides of the box can be directly cooled by the wind blown from the air outlet, so that the heat exchanger does not need to be equipped with additional cooling fans, which reduces the overall energy consumption of the heat exchanger and the device, and makes the heat exchanger It can dissipate heat more quickly, thereby further improving the heat dissipation efficiency of the heat exchanger, so that the cooling pipe can better play a cooling role.

Description of drawings

The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute improper limitations to the present invention. In the attached image:

Fig. 1 is the structural representation that the present invention creates;

Fig. 2 is the structural representation of the sunshade in the embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a box in an embodiment of the invention.

Description of reference numbers:

1-box; 2-cooling pipe; 3-intake fan; 4-liquid storage tank; 5-circulation pump; 6-sun shield; 7-air distribution plate; 8-heat exchanger; Air inlet pipe; 11-perforated partition; 12-air outlet; 13-raised part; 14-U-shaped groove; 15-installation groove.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The invention will be described in detail below with reference to the accompanying drawings and examples.

A kind of high-voltage electric cabinet, as shown in Figure 1 to Figure 3, comprises box body 1, and the cooling device that is arranged on box body 1, and the carrying device that is set in box body; Described box body top is provided with air outlet 12, The position corresponding to the air outlet 12 on the box body is provided with a blocking assembly; the cooling device includes cooling pipes 2 correspondingly arranged on both sides of the box body 1, and an inlet fan 3 is provided at the position corresponding to the cooling pipe 2 at the bottom of the box body. There is an air inlet pipe 10 communicating with the air inlet fan 3, and one end of the air inlet pipe 10 towards the middle of the box body is set upward; The position of the partition with holes 11 is provided with an arc-shaped protrusion 13 , and the partition with holes 11 is provided with a groove matching the protrusion 13 .

The cooling pipe 2 is filled with cooling liquid, the tank is provided with a liquid storage tank 4 connected with the cooling pipe, the bottom of the box is provided with a circulating pump 5 connected with the cooling pipe, and the top is provided with a cooling pipe for heat dissipation. Heat exchanger 8, the box body side wall is provided with the installation groove 15 that is used to install cooling pipe, and cooling pipe is fixed in the installation groove 15; Described heat exchanger 8 is provided with corresponding air outlet 12, and heat exchanger 8 can adopt existing The cooling pipe heat exchanger, by setting the heat exchanger corresponding to the air outlet, the wind discharged from the air outlet can directly dissipate heat to the heat exchanger, thereby improving the heat dissipation effect of the heat exchanger and greatly improving the cooling efficiency of the cooling pipe; at the same time The heat exchanger does not need to be additionally equipped with a cooling fan, which reduces the energy consumption of the device and makes the device more energy-saving and environmentally friendly.

The cooling liquid can be an existing cooling liquid, such as water, etc.; the cooling liquid in the cooling pipe 2 can well reduce the temperature in the box, avoiding damage to the components in the box, thereby improving the service life of the components and the electric cabinet; The protrusion 13 on the cooling pipe can increase the contact area between the cooling pipe and the perforated partition, so that the cooling pipe can not only cool the temperature of the box body, but also directly cool the perforated partition and the elements on the perforated partition. Devices, so as to better cool the components on the perforated partition, reduce the operating temperature of the components, and improve the service life of the components.

The shading assembly includes a conical sunshade 6 arranged on the top of the box body 1, and there is a gap between the sunshade 6 and the top of the box to facilitate air exhaust; the top of the sunshade 6 is provided with a reflective film, and the bottom corresponds to the air outlet. The position is provided with an arc-shaped diversion plate 9, and the side of the diversion plate 9 facing the air outlet is provided with a vertically arranged air distribution plate 7. The sunshade can not only block sunlight and reduce the temperature of the box body, but also can block the sunshade. Rainwater, prevent rainwater from entering the electric cabinet, and ensure that the electric cabinet will not be damaged; the wind distribution plate 7 on the sunshade can divert the wind discharged from the air outlet, and the wind will be deflected through the arc-shaped deflector plate 9, so that the wind energy can be better Blow to the heat exchangers on both sides of the box to prevent the hot air from staying in the sunshade and speed up the air flow in the sunshade, thereby further improving the heat dissipation efficiency of the heat exchanger; Designed with different radians, so that the air guide plate can accurately guide the wind to the heat exchanger, improving the heat dissipation efficiency of the heat exchanger.

The bottom of the perforated partition 11 is provided with a U-shaped groove 14 for gathering cold wind; the wind blown into the box by the inlet fan will first pass through the cooling pipe to cool down, and the air inlet pipe arranged obliquely upward will blow the cold wind to the partition with holes. The bottom of the board, and the U-shaped groove at the bottom of the perforated partition can gather cold air well, so that the cold air can better cool the perforated partition and further improve the cooling effect of the perforated partition on components.

The invention has high reliability and good heat dissipation performance, which greatly improves the service life of the electric cabinet; by setting the cooling pipe and the inlet fan, the combination of air cooling and water cooling is realized, and the wind blown into the cabinet by the inlet fan will first pass through the cooling pipe Cooling, the cold air blown through the air inlet pipe can also be collected by the U-shaped groove on the perforated partition, so that the cold air can better cool down the perforated partition; the raised part on the cooling pipe can increase The contact area between the cooling pipe and the perforated partition is large, so that the cooling pipe can not only cool the temperature of the box, but also directly cool the perforated partition and the components on the perforated partition, so as to better control the perforated partition. The components on the board are cooled to avoid overheating and damage to the components in the box, which greatly improves the service life of the components.

The sunshade in the invention can not only block sunlight and reduce the temperature of the box body, but also can block rainwater, prevent rainwater from entering the electric cabinet, and ensure that the electric cabinet will not be damaged; The heater can cool down the cooling pipe, which greatly improves the cooling efficiency of the cooling pipe; the air distribution plate on the sunshade can divert the air discharged from the air outlet, and the arc-shaped guide plate will deflect the wind, so that the wind can blow to the The heat exchangers on both sides of the box can be directly cooled by the wind blown out of the air outlet, so that the heat exchanger does not need to install additional cooling fans, which reduces the overall energy consumption of the heat exchanger and the device, making the device more energy-efficient Environmental protection, at the same time, the heat exchanger can dissipate heat more quickly, thereby further improving the heat dissipation efficiency of the heat exchanger, so that the cooling pipe can better play a cooling role.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the Within the protection scope of the present invention.

Claims (6)

1. a kind of High-voltage Electric tank, it is characterised in that: including being set in the cooling device and cabinet that are arranged on cabinet and cabinet The bogey set；The top of the box is equipped with air outlet, and the position that air outlet is corresponded on cabinet, which is equipped with, blocks component；It is described cold But device includes the cooling tube that cabinet two sides are correspondingly arranged, and the position that the bottom of box corresponds to cooling tube is equipped with air inlet and fans, in cabinet Equipped with the blast pipe being connected to air inlet fan, the blast pipe is arranged obliquely towards one end in the middle part of cabinet；The bogey Including apertured partition horizontally disposed in cabinet, the position that apertured partition is corresponded on the cooling tube is equipped with arc convex portion, band Hole partition is equipped with and the matched groove of lug boss.

2. a kind of High-voltage Electric tank according to claim 1, it is characterised in that: be loaded with coolant liquid, case in the cooling tube Body is equipped with the liquid reserve tank being connected to cooling tube.

3. a kind of High-voltage Electric tank according to claim 2, it is characterised in that: the bottom of box is equipped with and connect with cooling tube Circulating pump, top be equipped with for cooling tube heat dissipation heat exchanger；The heat exchanger corresponds to air outlet setting.

4. a kind of High-voltage Electric tank according to claim 1, it is characterised in that: the component that blocks includes top of the box setting Taper sky shade, between the sky shade and top of the box exist convenient for air draft gap.

5. a kind of High-voltage Electric tank according to claim 4, it is characterised in that: be equipped with reflective membrane, bottom at the top of the sky shade The position that portion corresponds to air outlet is equipped with the drainage plate of arc, be equipped with towards the side of air outlet on drainage plate be vertically arranged divide wind Plate.

6. a kind of High-voltage Electric tank according to claim 1, it is characterised in that: the apertured partition bottom is equipped with for assembling The U-type groove of cold wind.