阅读说明：本技术 一种高效循环冷却型配电箱 (High-efficient circulative cooling type block terminal ) 是由 李珍珍 林金强 陈肖晓 于 2020-04-10 设计创作，主要内容包括：一种高效循环冷却型配电箱,涉及电工工具领域。包括配电箱体及制冷系统,配电箱体顶部中间位置设置的风道与制冷系统连接,制冷系统内充有制冷剂,配电箱体顶部两侧还设有驱动丝杆转动的第二电机,丝杆穿过配电箱体顶部固定在配电箱体内部底座上,丝杆与支架螺纹连接,支架上设有旋转风管,旋转风管两端分别设有驱动旋转风管转动的第一电机,旋转风管中段与风道连接,旋转风管上还设有出风口；制冷系统包括蒸发器、气液分离器、压缩机、冷凝器、储液干燥器、膨胀阀。本发明通过制冷系统对配电箱体发热电力设备及元器件进行持续、有效降温处理,可满足大型或户外配电箱的安全需求,避免配电箱安全事故发生,结构简单,安全便捷,可操作性强。(A high-efficiency circulating cooling type distribution box relates to the field of electrician tools. The refrigeration system is filled with a refrigerant, second motors for driving the screw rods to rotate are further arranged on two sides of the top of the power distribution box body, the screw rods penetrate through the top of the power distribution box body and are fixed on a base in the power distribution box body, the screw rods are in threaded connection with a support, rotary air pipes are arranged on the support, first motors for driving the rotary air pipes to rotate are respectively arranged at two ends of each rotary air pipe, the middle sections of the rotary air pipes are connected with the air channels, and air outlets are further formed in the rotary air pipes; the refrigerating system comprises an evaporator, a gas-liquid separator, a compressor, a condenser, a liquid storage dryer and an expansion valve. The refrigeration system is used for continuously and effectively cooling the power generation power equipment and components of the distribution box body, so that the safety requirement of a large or outdoor distribution box can be met, the safety accident of the distribution box is avoided, and the refrigeration system is simple in structure, safe, convenient and strong in operability.)

1. The utility model provides a high-efficient circulative cooling type block terminal which characterized in that: the refrigerator comprises a power distribution box body (10) and a refrigerating system, wherein an air duct (16) arranged in the middle of the top of the power distribution box body (10) is connected with the refrigerating system, and a refrigerant is filled in the refrigerating system; two sides of the top of the distribution box body (10) are also provided with a second motor (12) for driving a screw rod (13) to rotate, and the screw rod (13) penetrates through the top of the distribution box body (10) and is fixed on a base in the distribution box body (10); the screw rod (13) is in threaded connection with the support (14), the support (14) is provided with a rotary air pipe (8), two ends of the rotary air pipe (8) are respectively provided with a first motor (11) for driving the rotary air pipe to rotate, and the middle section of the rotary air pipe (8) is connected with an air duct (16); an air outlet (9) is also arranged on the rotary air pipe (8).

2. An efficient circulative cooling type electric distribution box according to claim 1, characterized in that: the refrigeration system comprises an evaporator (1), a gas-liquid separator (2), a compressor (3), a condenser (4), a liquid storage dryer (5) and an expansion valve (6), wherein one end of the evaporator (1) is connected with one end of the condenser (4) through the gas-liquid separator (2) and the compressor (3) in sequence, and the other end of the condenser (4) is connected with the other end of the evaporator (1) through the liquid storage dryer (5) and the expansion valve (6) in sequence; the evaporator (1) is provided with a first fan (7), and the condenser (4) is provided with a second fan (15).

3. An efficient circulative cooling type electric distribution box according to claim 1 or 2, characterized in that: the refrigerant filled in the refrigerating system is difluorochloromethane.

4. An efficient circulative cooling type electric distribution box according to claim 1, characterized in that: an extension pipe (17) is arranged at the joint of the air duct (16) and the distribution box body (10).

5. An efficient circulative cooling type electric distribution box according to claim 1, characterized in that: the side wall of the power distribution box body (10) is provided with heat dissipation holes (18).

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a high-efficiency circulating cooling type distribution box.

Background

Among the prior art, the block terminal is the box that is used for installing the electrical equipment of holding electrical system for carry out isolation protection to electrical equipment, prevent that personnel from touching the emergence electric shock accident by mistake, guarantee electrical equipment's normal work, by the each industry of wide application in production and life. In order to ensure normal and stable operation of power equipment in the distribution box, the inside of the distribution box needs to be cooled continuously. At present common cooling mode is that use the fan to carry out air convection heat dissipation, but this kind of radiating mode, the cooling rate is slow, and the cooling effect is poor, can only be applicable to small-size or indoor block terminal, and is not obvious to the block terminal cooling effect of large-scale or outdoor block terminal, can't satisfy large-scale or outdoor block terminal's cooling demand.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the high-efficiency circulating cooling type distribution box, so that the heating components of the distribution box body are continuously, efficiently and circularly cooled, the safety requirements of large or outdoor distribution boxes are met, and the safety accidents of the distribution box are avoided.

In order to achieve the purpose, the technical scheme of the invention comprises a distribution box body and a refrigerating system, wherein an air duct arranged in the middle of the top of the distribution box body is connected with the refrigerating system, and a refrigerant is filled in the refrigerating system; the two sides of the top of the distribution box body are also provided with second motors for driving the screw rods to rotate, and the screw rods penetrate through the top of the distribution box body and are fixed on the base in the distribution box body; the screw rod is in threaded connection with the support, the support is provided with a rotary air pipe, two ends of the rotary air pipe are respectively provided with a first motor for driving the rotary air pipe to rotate, and the middle section of the rotary air pipe is connected with the air duct; an air outlet is also arranged on the rotary air pipe.

Furthermore, the refrigerating system comprises an evaporator, a gas-liquid separator, a compressor, a condenser, a liquid storage dryer and an expansion valve, wherein one end of the evaporator is connected with one end of the condenser through the gas-liquid separator and the compressor in sequence, and the other end of the condenser is connected with the other end of the evaporator through the liquid storage dryer and the expansion valve in sequence; the evaporator is provided with a first fan, and the condenser is provided with a second fan.

Furthermore, a refrigerant filled in the refrigerating system is difluorochloromethane.

Furthermore, a telescopic pipe is arranged at the joint of the air duct and the distribution box body.

Furthermore, the side wall of the distribution box body is provided with heat dissipation holes.

Compared with the prior art, the refrigeration system is filled with the refrigerant, the low-pressure liquid refrigerant exchanges heat with air when flowing through the evaporator, the liquid refrigerant is converted into the gaseous refrigerant, the air is cooled, the cooled air is blown to the rotary air pipe through the fan and is discharged into the distribution box body from the air outlet, the interior of the distribution box body is cooled, the air is evenly blown, the temperature is continuously reduced, and the redundant hot air is discharged from the heat dissipation holes in the side wall of the distribution box body. The refrigeration system is used for continuously and effectively cooling the heating power equipment and components inside the distribution box body, so that the safety requirement of a large or outdoor distribution box can be met, the safety accident of the distribution box is avoided, and the refrigeration system is simple in structure, safe, convenient and strong in operability.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a left side view of the condenser of fig. 1.

Fig. 4 is a left side view schematically illustrating the evaporator of fig. 1.

In the figure, the air conditioner comprises an evaporator 1, an evaporator 2, a gas-liquid separator 3, a compressor 4, a condenser 5, a liquid storage dryer 6, an expansion valve 7, a first fan 8, a rotary air pipe 9, an air outlet 10, a distribution box body 11, a first motor 12, a second motor 13, a screw rod 14, a support 15, a second fan 16, an air duct 17, a telescopic pipe 18 and heat dissipation holes.

Detailed Description

As shown in fig. 1, 2, 3 and 4, the present invention includes a distribution box 10 and a refrigeration system, wherein an air duct 16 disposed at the middle position of the top of the distribution box 10 is connected to the refrigeration system, and the refrigeration system is filled with a refrigerant; the two sides of the top of the distribution box body 10 are also provided with a second motor 12 for driving a screw rod 13 to rotate, and the screw rod 13 penetrates through the top of the distribution box body 10 and is fixed on a base in the distribution box body 10; the screw rod 13 is in threaded connection with the support 14, the support 14 is provided with a rotary air pipe 8, two ends of the rotary air pipe 8 are respectively provided with a first motor 11 for driving the rotary air pipe to rotate, and the middle section of the rotary air pipe 8 is connected with an air duct 16; an air outlet 9 is also arranged on the rotary air pipe 8.

Preferentially, the refrigerating system comprises an evaporator 1, a gas-liquid separator 2, a compressor 3, a condenser 4, a liquid storage dryer 5 and an expansion valve 6, wherein one end of the evaporator 1 is connected with one end of the condenser 4 through the gas-liquid separator 2 and the compressor 3 in sequence, and the other end of the condenser 4 is connected with the other end of the evaporator 1 through the liquid storage dryer 5 and the expansion valve 6 in sequence; the evaporator 1 is provided with a first fan 7, and the condenser 4 is provided with a second fan 15.

Preferably, the refrigerant filled in the refrigeration system is difluoromethane chloride.

Preferably, a telescopic pipe 17 is arranged at the connection part of the air duct 16 and the distribution box body 10. The telescopic pipe 17 is an iron sheet telescopic pipe or a plastic snake-shaped hose, and the effective connection between the air duct 16 and the rotary air duct 8 is ensured.

Preferentially, the heat dissipation holes 18 are formed in the side wall of the distribution box body 10, so that air circulation in the distribution box body can be guaranteed, and the heat dissipation effect is enhanced.

In order to ensure a better cooling effect, the air outlet 9 of the rotary air pipe 8 can be arranged opposite to a component with large heat productivity, or the air outlets 9 can be arranged along the axial distribution position of the rotary air pipe 8 or the caliber of the air outlet 9 is matched with the cold air flow, so that the caliber of the air outlet 9 at the middle end with large cold air flow in the rotary air pipe 8 is small, the air outlet interval is large, the caliber of the air outlet 9 at the tail end with small cold air flow is large, the air outlet interval is small, and therefore the internal electrical components of the distribution box body 10 are enabled to be uniformly ventilated and continuously cooled.

When the refrigeration system is used, the refrigeration system is filled with a refrigerant, low-pressure liquid refrigerant exchanges heat with air when flowing through the evaporator 1, the low-pressure liquid refrigerant is converted into low-pressure gaseous refrigerant, and meanwhile, the air is cooled. The cooled cold air is blown to the air duct 16 and the extension tube 17 through the first fan 7, is sent into the rotary air pipes 8 which are arranged in pairs, is discharged into the distribution box body 10 from the air outlet 9, and cools the inside of the distribution box body 10. Can drive the rotation of swivelling joint pipe 8 through first motor 11 to change the air supply direction of air outlet 9, can drive lead screw 13 through second motor 12 and rotate, thereby drive support 14 and swivelling joint pipe 8 and reciprocate, can realize carrying out corresponding cooling to the power equipment that calorific capacity is big in the distribution box 10 alone, and then improve the cooling effect by a wide margin. On the other hand, the low-pressure gaseous refrigerant is discharged from the evaporator 1, subjected to gas-liquid separation by the gas-liquid separator 2, and then introduced into the compressor 3, and the low-pressure gaseous refrigerant is compressed by the compressor 3 into a high-pressure gaseous refrigerant. The high-pressure gaseous refrigerant flows through the condenser 4, and the condenser 4 is cooled by the second fan 15, so that the high-pressure gaseous refrigerant in the condenser 4 is converted into a high-pressure liquid refrigerant, and the high-pressure liquid refrigerant is dried by the liquid storage dryer 5 and throttled by the expansion valve 6 to form a low-pressure liquid refrigerant and flows back to the evaporator 1 again. The whole refrigeration system can ensure continuous and effective recycling.