CN211456275U - A power cabinet air-cooled heat dissipation structure - Google Patents

Abstract

The utility model discloses a power cabinet forced air cooling heat radiation structure, including the cabinet body and ventilation case, the fixed middle part of arranging cabinet body one side in of ventilation case, the both sides side of the cabinet body is fixed respectively has two shutters, the middle part fixed mounting of cabinet body one side has the fan, the corresponding opening in position and the position of fan is seted up at the middle part of ventilation case one side, the inside of ventilation case is separated for cushion chamber, heating chamber and cooling chamber through baffle and interlayer, the inside in cooling chamber is fixed and is equipped with two mesh boards, the bottom fixed mounting of ventilation case has the cold water pump, the beneficial effects of the utility model are that: can carry the inside to the cooling chamber with external cold water source through the cold water pump, two mesh plates of rethread are drenched and are fallen downwards, drench and fall the in-process and produce after the air current direct contact heat transfer with the fan and carry to the internal portion of cabinet again and carry out the forced air cooling heat dissipation, improved radiating effect and efficiency greatly, shorten high temperature and last long time, the at utmost avoids the power cabinet to damage or the conflagration that takes place.

Description

A power cabinet air-cooled heat dissipation structure

technical field

The utility model relates to an air-cooled heat dissipation structure, in particular to an air-cooled heat dissipation structure of a power cabinet, which belongs to the technical field of air-cooled heat dissipation.

Background technique

Power cabinet refers to the combination of electrical control cabinets that provide power for the normal operation of the entire machine, including contactors, frequency converters, high-voltage cabinets, transformers, and so on. The power cabinet can be divided into two types: outdoor and indoor. From the installation, it can be divided into two types: hanging type and floor type. According to the size, it can be divided into two types: power cabinet and power box.

Air-cooled heat dissipation is a very important part of the power cabinet. The existing air-cooled heat dissipation structure of the power cabinet has poor heat dissipation effect and low efficiency, resulting in a long-lasting high temperature state, which is likely to cause damage to the power cabinet or fire. The air-cooled heat dissipation structure of the cabinet has no heating function, and the normal use of the power cabinet is easily affected when the temperature is too low.

Utility model content

The purpose of the present invention is to provide a power cabinet air-cooled heat dissipation structure to solve the problems of poor heat dissipation effect, low efficiency and no heating function of the existing power cabinet air-cooled heat dissipation structure proposed in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: an air-cooled heat dissipation structure for a power cabinet, comprising a cabinet body and a ventilation box, the ventilation box is fixedly placed in the middle of one side of the cabinet body, and the two sides of the cabinet body are Two louvers are fixedly installed respectively, a fan is fixedly installed in the middle of one side of the cabinet, and an opening corresponding to the position of the fan is opened in the middle of one side of the ventilation box, and the interior of the ventilation box passes through the baffle. It is separated from the partition into a buffer cavity, a heating cavity and a cooling cavity. The inside of the cooling cavity is fixed with two mesh plates, the bottom end of the ventilation box is fixedly installed with a cold water pump, and the other side of the heating cavity is fixed. One side and the other side of the cooling chamber are respectively provided with two air inlets, and one side of the heating chamber and one side of the cooling chamber are respectively connected with a first air outlet pipe and a second air outlet pipe. A first solenoid valve and a second solenoid valve are fixedly installed on the first air outlet pipe and the second air outlet pipe respectively, and a first electric heating plate is fixedly installed on one side inside the heating chamber.

As a preferred technical solution of the present invention, a mesh frame is fixed in the middle of the inner wall of the heating chamber, the interior of the mesh frame is filled with water-absorbing resin particles, and the interior of the mesh frame is fixed with a second electric heating plate .

As a preferred technical solution of the present invention, a switch panel is fixed on the side of the cabinet, and a temperature control switch and a second electric heating plate control switch are respectively installed on the surface of the switch panel. The probe is fixed inside the cabinet, the fan, the cold water pump, the first solenoid valve, the second solenoid valve and the first electric heating plate are all electrically connected to the external power supply through the temperature control switch, and the second electric heating plate is electrically connected to the external power supply through the first electric heating plate. The second electric heating plate control switch is electrically connected with the external power supply.

As a preferred technical solution of the present invention, the bottom end of the other side of the cooling chamber is fixedly connected with a drain pipe, and a check valve is fixedly installed on the drain pipe.

As a preferred technical solution of the present invention, the inlet end of the cold water pump is communicated with the external cold water source, and the outlet end of the cold water pump is communicated with the top of the side of the cooling chamber through a connecting pipe.

As a preferred technical solution of the present invention, a filter screen is fixed inside the two air inlets.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the utility model is an air-cooled heat dissipation structure for a power cabinet, through which an external cold water source can be transported to the inside of the cooling chamber through a cold water pump, and then passed through two mesh plates to the cooling chamber. During the shower, it directly contacts the air flow generated by the fan for heat exchange and then transports it to the inside of the cabinet for air cooling and heat dissipation, which greatly improves the heat dissipation effect and efficiency, shortens the duration of high temperature, and avoids damage to the power cabinet or fire to the greatest extent. ;The purpose of heating can be achieved through the cooperation of the first electric heating plate and the fan, so that the power cabinet has a heating function, and the air with a higher temperature can be dried through the water-absorbing resin particles, so as to avoid the high humidity affecting the normal operation of the power cabinet. In use, the water-absorbing resin particles are heated and removed by the second electric hot plate, and can be recycled.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present utility model;

Fig. 2 is the sectional structure schematic diagram of the utility model;

Figure 3 is a schematic diagram of the cross-sectional structure of the ventilation box of the present invention.

In the figure: 1. Cabinet body; 2. Ventilation box; 3. Shutters; 4. Fan; 5. Opening; 6. Baffle plate; 7. Interlayer; 8. Buffer chamber; ; 11, mesh plate; 12, cold water pump; 13, air inlet; 14, filter; 15, the first air outlet; 16, the second air outlet; 17, the first solenoid valve; 18, the second solenoid Valve; 19, first electric heating plate; 20, mesh frame; 21, water-absorbing resin particles; 22, second electric heating plate; 23, drain pipe; 24, check valve; 25, switch panel; 26, temperature control switch.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides an air-cooled heat dissipation structure for a power cabinet, including a cabinet body 1 and a ventilation box 2. The ventilation box 2 is fixed in the middle of one side of the cabinet body 1, and the two sides of the cabinet body 1 Two shutters 3 are fixedly installed respectively, a fan 4 is fixedly installed in the middle of one side of the cabinet 1, and an opening 5 corresponding to the position of the fan 4 is opened in the middle of one side of the ventilation box 2. The plate 6 and the partition 7 are separated into a buffer chamber 8, a heating chamber 9 and a cooling chamber 10. Two mesh plates 11 are fixed inside the cooling chamber 10, and a cold water pump 12 is fixedly installed at the bottom end of the ventilation box 2. The other side of the temperature chamber 9 and the other side of the cooling chamber 10 are respectively provided with two air inlets 13, and one side of the heating chamber 9 and one side of the cooling chamber 10 are respectively connected with a first air outlet 15 and a first air outlet. The second air outlet pipe 16, the first air outlet pipe 15 and the second air outlet pipe 16 are respectively fixed with a first solenoid valve 17 and a second solenoid valve 18. The cold water pump 12 can transport the external cold water source to the cooling system. The inside of the cavity 10 is then showered downward through the two mesh plates 11. During the showering process, the air flow generated by the fan 4 is in direct contact with the heat exchange and then transported to the inside of the cabinet 1 for air cooling and heat dissipation, which greatly improves the heat dissipation effect and the heat dissipation. To improve efficiency and shorten the duration of high temperature, a first electric heating plate 19 is fixedly installed on one side of the heating chamber 9 .

Preferably, a mesh frame 20 is fixed in the middle of the inner wall of the heating chamber 9 , the interior of the mesh frame 20 is filled with water-absorbent resin particles 21 , and a second electric heating plate 22 is fixed inside the mesh frame 20 , which can be absorbed by the water-absorbent resin particles 21 . The moisture in the hot air can prevent the high humidity from affecting the normal use of the power cabinet, and the water-absorbing resin particles 21 are heated by the second electric heating plate 22 to remove water and can be recycled. The side of the cabinet 1 is fixed with a switch panel 25. A temperature control switch 26 and a second electric heating plate control switch are respectively installed on the surface of the panel 25. The probe of the temperature control switch 26 is fixed inside the cabinet 1. The fan 4, the cold water pump 12, the first solenoid valve 17, the second solenoid The valve 18 and the first electric heating plate 19 are both electrically connected to the external power supply through the temperature control switch 26, the second electric heating plate 22 is electrically connected to the external power supply through the second electric heating plate control switch, and the temperature control switch 26 automatically controls the air cooling and heat dissipation. The bottom end of the cooling chamber 10 is fixedly inserted and connected with a drain pipe 23, and the drain pipe 23 is fixedly installed with a check valve 24, which can prevent the airflow from passing through the check valve 24. The drain pipe 23 enters the interior of the cooling chamber 10, which affects the normal flow of the water body. The inlet end of the cold water pump 12 is connected to the external cold water source, and the outlet end of the cold water pump 12 is connected to the top of the side of the cooling chamber 10 through the connecting pipe, and the cold water pump 12. The cold water can be transported to the interior of the cooling chamber 10 to directly contact the air for heat exchange to ensure the heat dissipation effect and efficiency. The interior of the two air inlets 13 are fixedly provided with a filter screen 14, which can play a dustproof role through the filter screen 14. .

In specific use, the utility model is an air-cooled heat dissipation structure for a power cabinet. First, the cabinet body 1 is installed in a suitable position, and then the high temperature limit value and the low temperature limit value are respectively set for the temperature control switch 26 whose model can be HS-632. During normal use, the temperature inside the cabinet 1 can be monitored in real time through the temperature control switch 26. When the temperature inside the cabinet 1 is too high, the fan 4, the cold water pump 12 and the second solenoid valve 18 can be automatically controlled through the temperature control switch 26. At this time, through the fan 4, the outside air can be passed through one of the air inlets 13, the cooling chamber 10, the second air outlet 16 and the buffer chamber 8 into the interior of the cabinet 1, and the cold water pump 12 can be used to transport the outside cold water source. To the inside of the cooling chamber 10, and then shower down through the two mesh plates 11. During the showering process, the air flow generated by the fan 4 is in direct contact with the heat exchange, and then transported to the inside of the cabinet 1 for air cooling and heat dissipation, which greatly improves the cooling effect. Heat dissipation effect and efficiency, shorten the duration of high temperature, and avoid damage to the power cabinet or fire to the greatest extent. When the temperature is too low, the fan 4, the first solenoid valve 17 and the first electric heating plate 19 can be automatically controlled by the temperature control switch 26 to work. At the same time, through the fan 4, the outside air can enter the inside of the cabinet 1 through the other air inlet 13, the heating cavity 9, the first air outlet 15 and the buffer cavity 8 in turn, and the air can be heated through the first electric heating plate 19. Then, it is passed into the cabinet 1 for heating operation to achieve the purpose of heating, so that the power cabinet has a heating function, and the air with a higher temperature can be dried through the water-absorbing resin particles 21, so as to avoid the impact of high humidity on the power cabinet. It can be used normally, and after the water-absorbent resin particles 21 fail after long-term use, the second electric heating plate 22 can be turned on through the switch panel 25 to heat the water-absorbent resin particles 21 to remove water, which can be recycled, which is more environmentally friendly.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated body; it may be a mechanical connection or an electrical connection; it may be a direct connection, or a It can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to the specific situation in this document. The specific meaning in the utility model.

Claims (6)

1. The utility model provides a power cabinet forced air cooling heat radiation structure, includes the cabinet body (1) and ventilation case (2), its characterized in that, the middle part of the cabinet body (1) one side is arranged in to ventilation case (2) is fixed, the both sides side of the cabinet body (1) is fixed respectively has two shutter (3), the middle part fixed mounting of the cabinet body (1) one side has fan (4), opening (5) that the position corresponds with the position of fan (4) are seted up to the middle part of ventilation case (2) one side, the inside of ventilation case (2) is separated for cushion chamber (8), heats chamber (9) and cooling chamber (10) through baffle (6) and interlayer (7), the inside of cooling chamber (10) is fixed and is equipped with two mesh boards (11), the bottom fixed mounting of ventilation case (2) has cold water pump (12), two air intakes (13) have been seted up respectively to the opposite side of the chamber that heats (9) and the opposite side of cooling chamber (10), one side in chamber (9) heats and one side in chamber (10) that cools down is fixed interlude respectively and is connected with first tuber pipe (15) and second play tuber pipe (16), on first tuber pipe (15) and second play tuber pipe (16) respectively fixed mounting have first solenoid valve (17) and second solenoid valve (18), the inside one side fixed mounting in chamber (9) that heats has first electric plate (19).

2. The air-cooling heat dissipation structure of the power cabinet as recited in claim 1, wherein: the heating device is characterized in that a net frame (20) is fixedly arranged in the middle of the inner wall of the heating cavity (9), water-absorbent resin particles (21) are filled in the net frame (20), and a second electric heating plate (22) is fixedly arranged in the net frame (20).

3. The air-cooling heat dissipation structure of the power cabinet as claimed in claim 2, wherein: the avris of the cabinet body (1) is fixed and is equipped with flush mounting plate of switch (25), temperature detect switch (26) and second electric plate control switch are installed respectively to the surface of flush mounting plate of switch (25), the probe of temperature detect switch (26) is fixed and is arranged in the inside of the cabinet body (1), fan (4), cold water pump (12), first solenoid valve (17), second solenoid valve (18) and first electric plate (19) all through temperature detect switch (26) and external power supply electric connection, second electric plate (22) are through second electric plate control switch and external power supply electric connection.

4. The air-cooling heat dissipation structure of the power cabinet as recited in claim 1, wherein: the bottom end of the other side of the cooling cavity (10) is fixedly and alternately connected with a drain pipe (23), and a check valve (24) is fixedly mounted on the drain pipe (23).

5. The air-cooling heat dissipation structure of the power cabinet as recited in claim 1, wherein: the inlet end of the cold water pump (12) is communicated with an external cold water source, and the outlet end of the cold water pump (12) is communicated with the top of the side of the cooling cavity (10) through a connecting pipe.

6. The air-cooling heat dissipation structure of the power cabinet as recited in claim 1, wherein: and filter screens (14) are fixedly arranged in the two air inlets (13).

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