CN216903981U - Air exchange device for low-voltage power distribution cabinet - Google Patents
Air exchange device for low-voltage power distribution cabinet Download PDFInfo
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- CN216903981U CN216903981U CN202220337103.7U CN202220337103U CN216903981U CN 216903981 U CN216903981 U CN 216903981U CN 202220337103 U CN202220337103 U CN 202220337103U CN 216903981 U CN216903981 U CN 216903981U
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Abstract
The utility model discloses an air exchange device for a low-voltage power distribution cabinet, which relates to the technical field of low-voltage power distribution cabinets and comprises the following components: the cooling device comprises a power distribution cabinet, a cooling mechanism and an air inlet mechanism, wherein an assembly cavity is formed in the power distribution cabinet, a cooling cavity is formed in the power distribution cabinet, the cooling mechanism is located at the inner top of the assembly cavity, and the air inlet mechanism is located on one side of the power distribution cabinet. According to the distribution cabinet, the hot air generated in the assembly cavity is respectively guided into the two cooling boxes through the diversion cover and the cooling boxes, so that the cooling liquid in the two cooling boxes can synchronously cool the high-temperature hot air in the assembly cavity, and the technical problem that the working temperature in the assembly cavity can gradually rise as the air exhausted from the heat dissipation groove in the conventional distribution cabinet still contains large heat and the heat-exchanged air can be sucked into the assembly cavity is solved.
Description
Technical Field
The utility model relates to the technical field of low-voltage power distribution cabinets, in particular to an air exchange device for a low-voltage power distribution cabinet.
Background
The rated current of the low-voltage power distribution cabinet is 50Hz, and the rated voltage is 380V, and the power distribution system is used for power, illumination and power distribution electric energy conversion and control. The product has the characteristics of strong breaking capacity, good dynamic thermal stability, flexible electric scheme, convenient combination, high seriousness and practicability, novel structure and the like, and can generate larger heat in the working process of components and parts arranged in the low-voltage power distribution cabinet, and the components and the parts need to be radiated by the air exchanging device;
the prior patent (publication number: CN211908025U) discloses a low-voltage power distribution cabinet with an internal protection device, wherein a first motor works to rotate two sets of belt pulleys and rotate two sets of fan blades, so that the two sets of fan blades blow air to the equipment at the same time, heat on the equipment can be rapidly discharged through a heat dissipation slot, and external cold air enters the cabinet body, so that heat exchange can be rapidly realized.
However, the low-voltage distribution cabinet with the internal protection device still has the following problems in practical use: only through first motor among the above-mentioned low-voltage distribution cabinet, belt pulley and drive belt drive flabellum rotate, in order to disturb the air current that assembles the chamber, make the heat that assembles the intracavity pass through the radiating groove and discharge, this has just led to still containing great heat in the air of discharging in the radiating groove, when having great thermal gas by the discharge, can lead to high-temperature gas and normal atmospheric temperature gas heat transfer back, normal atmospheric temperature gas's temperature can rise, the gas through the heat transfer this moment can be inhaled and assemble the intracavity, and then lead to assembling the operating temperature of intracavity and can rise gradually.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air exchange device for a low-voltage power distribution cabinet, which solves the technical problem that the working temperature in an assembly cavity can gradually rise as the air exhausted from a heat dissipation groove in the conventional power distribution cabinet still contains relatively large heat and the heat exchanged gas can be sucked into the assembly cavity.
In order to solve the technical problem, the air exchange device for the low-voltage power distribution cabinet provided by the utility model comprises: the cooling device comprises a power distribution cabinet, a cooling mechanism and an air inlet mechanism, wherein an assembly cavity is formed in the power distribution cabinet, a cooling cavity is formed in the power distribution cabinet, the cooling mechanism is positioned at the inner top of the assembly cavity, and the air inlet mechanism is positioned on one side of the power distribution cabinet;
the cooling mechanism comprises a flow dividing cover, the flow dividing cover is fixedly arranged at the inner top of an assembly cavity, two cooling boxes are symmetrically and fixedly arranged in the cooling cavity, two flow dividing pipes are symmetrically and fixedly arranged at the top of the flow dividing cover, the other end of each flow dividing pipe is inserted in the cooling box, an exhaust pipe is arranged at the top of one side of each cooling box, two radiators are symmetrically and fixedly arranged in the cooling cavity, a circulating pump is arranged between each radiator and the cooling box, the input end of the circulating pump is fixedly connected with the cooling box, the output end of the circulating pump is fixedly connected with the radiators, and the cooling box is communicated with the radiators through circulating pipes;
the air inlet mechanism comprises two mounting seats, the two mounting seats are respectively arranged on two sides of the power distribution cabinet, a plurality of fixing plates are fixedly mounted in each mounting seat at equal intervals, a driving motor is fixedly mounted on one side, far away from the inner side wall of each mounting seat, of each fixing plate, and a plurality of fan blades are fixedly mounted on the outer side of the rotating end of each driving motor at equal intervals;
a plurality of exhaust ports are formed in the two sides of the power distribution cabinet at equal intervals.
Preferably, the front of switch board is rotated and is connected with the cabinet door, just the front of cabinet door is provided with the handle, through the setting of cabinet door, can make the cabinet door seal the assembly chamber, can prevent that non professional from touching the components and parts in the assembly chamber without permission and leading to the risk of electrocuteeing to installation through the handle makes the user more convenient when the cabinet door is opened to needs.
Preferably, the front of the cabinet door is provided with an observation window, and a user can observe the working condition of the element in the assembly cavity through the observation window.
Preferably, the material of observation window is the ya keli board, because transparent ya keli board has better transparency, chemical stability and weatherability, makes its life can prolong.
Preferably, the front of cabinet door is provided with the data plate frame, through the setting of data plate frame, makes the user place the information card in the data plate frame, can supply all the other operating personnel and maintenance personal can distinguish the usage of this switch board fast.
Compared with the prior art, the air exchange device for the low-voltage power distribution cabinet has the following beneficial effects:
1. according to the utility model, the hot air generated in the assembly cavity is respectively guided to the two cooling boxes through the flow dividing cover and the cooling boxes, so that the cooling liquid in the two cooling boxes can synchronously cool the high-temperature hot air in the assembly cavity, the temperature of the high-temperature air in the assembly cavity can be reduced when the high-temperature air is discharged, and the heat dissipation and cooling efficiency can be improved.
2. According to the utility model, the fan blades are continuously driven to rotate by the driving motor, so that the fan blades continuously suck external normal-temperature air into the assembly cavity, and high-temperature gas in the assembly cavity can be continuously discharged into the cooling box through the shunt cover and the shunt pipe to be cooled and discharged.
Drawings
Fig. 1 is a schematic structural view of an air exchanging device for a low-voltage power distribution cabinet;
fig. 2 is a front sectional view of a ventilation device for a low-voltage distribution cabinet;
fig. 3 is a schematic structural view of a shunting cover in an air exchanging device for a low-voltage power distribution cabinet;
fig. 4 is an enlarged view of a portion a in fig. 2.
Reference numbers in the figures: 1. a power distribution cabinet; 2. an assembly chamber; 3. a flow dividing cover; 4. a cooling tank; 5. a shunt tube; 6. an exhaust pipe; 7. a heat sink; 8. a circulation pump; 9. a mounting seat; 10. a fixing plate; 11. a drive motor; 12. a fan blade; 13. an exhaust port; 14. a cabinet door; 15. a handle; 16. and (4) an observation window.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are referred to, they refer to the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In a first embodiment, as shown in fig. 1-4, the present invention comprises: the cooling device comprises a power distribution cabinet 1, a cooling mechanism and an air inlet mechanism, wherein an assembly cavity 2 is formed in the power distribution cabinet 1, a cooling cavity is formed in the power distribution cabinet 1, the cooling mechanism is located at the inner top of the assembly cavity 2, and the air inlet mechanism is located on one side of the power distribution cabinet 1;
the cooling mechanism comprises a flow dividing cover 3, the flow dividing cover 3 is fixedly installed at the inner top of the assembling cavity 2, two cooling boxes 4 are symmetrically and fixedly installed in the cooling cavity, two flow dividing pipes 5 are symmetrically and fixedly installed at the top of the flow dividing cover 3, the other end of each flow dividing pipe 5 is inserted into each cooling box 4, an exhaust pipe 6 is arranged at the top of one side of each cooling box 4, two radiators 7 are symmetrically and fixedly installed in the cooling cavity, a circulating pump 8 is arranged between each radiator 7 and each cooling box 4, the input end of each circulating pump 8 is fixedly connected with each cooling box 4, the output end of each circulating pump 8 is fixedly connected with each radiator 7, and the cooling boxes 4 and the radiators 7 are communicated through circulating pipes;
the air inlet mechanism comprises two mounting seats 9, the two mounting seats 9 are respectively arranged on two sides of the power distribution cabinet 1, a plurality of fixing plates 10 are fixedly mounted in each mounting seat 9 at equal intervals, a driving motor 11 is fixedly mounted on one side, far away from the inner side wall of each mounting seat 9, of each fixing plate 10, and a plurality of fan blades 12 are fixedly mounted on the outer side of the rotating end of each driving motor 11 at equal intervals;
the two sides of the power distribution cabinet 1 are equally spaced and provided with a plurality of exhaust ports 13, when components mounted in the assembly cavity 2 work, large heat can be generated, when the components in the assembly cavity 2 work, the driving motor 11 mounted in the mounting base 9 can work therewith, the driving motor 11 can drive the fan blade 12 to rotate through the rotating end of the driving motor 11, along with the rotation of the fan blade 12, the fan blade 12 can suck outside normal temperature air into the assembly cavity 2, so that the pressure in the assembly cavity 2 is higher than the external pressure, because the pressure in the assembly cavity 2 is higher and the gas density at higher temperature is lower, high-temperature gas at the top in the assembly cavity 2 can be squeezed into the shunting cover 3 and is discharged into the cooling box 4 through the shunting pipe 5 arranged at the top of the shunting cover 3, and is discharged into the cooling box 4 due to the cooling liquid arranged in the cooling box 4, the cooling liquid in the cooling box 4 can cool the high-temperature gas discharged into the cooling box 4 through the shunting pipe 5, gas after the cooling can be discharged through the blast pipe 6 that cooling box 4 one side top set up, and meanwhile circulating pump 8 and the synchronous start of components and parts of installation in the assembly chamber 2, circulating pump 8 can be continuous carry the coolant liquid in cooling box 4 to radiator 7 in, cool down through radiator 7 to the coolant liquid, in coolant liquid accessible circulating pipe after the cooling is discharged into cooling box 4.
Embodiment two, on the basis of embodiment one, the front of switch board 1 is rotated and is connected with cabinet door 14, and the front of cabinet door 14 is provided with handle 15, through the setting of cabinet door 14, can make cabinet door 14 seal assembly chamber 2, can prevent that non professional from touching the components and parts in the assembly chamber 2 without permission and leading to the risk of electrocuteeing to installation through handle 15 makes the user more convenient when cabinet door 14 is opened to needs.
In the third embodiment, on the basis of the second embodiment, the observation window 16 is installed on the front surface of the cabinet door 14, and through the arrangement of the observation window 16, a user can observe the working condition of the element in the assembly chamber 2 through the observation window 16.
In the fourth embodiment, based on the third embodiment, the material of the observation window 16 is an acrylic plate, and the transparent acrylic plate has good transparency, chemical stability and weather resistance, so that the service life of the transparent acrylic plate is prolonged.
Fifth, on the basis of the second embodiment, a nameplate frame is arranged on the front surface of the cabinet door 14, and through the arrangement of the nameplate frame, a user can place an information card in the nameplate frame, so that other operators and maintenance personnel can quickly distinguish the purpose of the power distribution cabinet 1.
The working principle is as follows:
when the temperature in the assembly cavity 2 is higher, the cooling mechanism is started:
the first step is as follows: the high-temperature gas at the top in the assembly cavity 2 is extruded into the shunt cover 3 and is discharged into the cooling box 4 through the shunt pipe 5 arranged at the top of the shunt cover 3;
the second step is that: because the cooling liquid is arranged in the cooling box 4, the cooling liquid in the cooling box 4 can cool the high-temperature gas discharged into the cooling box 4 through the shunt pipe 5, and the cooled gas can be discharged through the exhaust pipe 6 arranged at the top of one side of the cooling box 4;
the third step: meanwhile, the circulating pump 8 and the components mounted in the assembly cavity 2 are started synchronously, the circulating pump 8 can continuously convey the cooling liquid in the cooling tank 4 to the radiator 7, the cooling liquid is cooled through the radiator 7, and the cooled cooling liquid can be discharged into the cooling tank 4 through the circulating pipe.
When the components in the assembly cavity 2 work, the air inlet mechanism is synchronously started:
the first step is as follows: when the components in the assembly cavity 2 work, the driving motor 11 arranged in the mounting seat 9 can work along with the components;
the second step is that: the driving motor 11 can drive the fan blade 12 to rotate through the rotating end of the driving motor 11, and along with the rotation of the fan blade 12, the fan blade 12 can suck the external normal temperature air into the assembly cavity 2, so that the pressure in the assembly cavity 2 is higher than the external pressure;
the third step: due to the higher pressure in the assembly chamber 2 and the lower density of the gas at the higher temperature, the high temperature gas at the top of the assembly chamber 2 will be squeezed into the diverging housing 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a low-voltage distribution cabinet is with device that trades wind which characterized in that includes: switch board (1), cooling mechanism and air inlet mechanism, assembly chamber (2) have been seted up in switch board (1), cooling chamber has been seted up in switch board (1), cooling mechanism is located the interior top in assembly chamber (2), air inlet mechanism is located one side of switch board (1).
2. The ventilation device for the low-voltage power distribution cabinet according to claim 1, wherein the cooling mechanism comprises a flow dividing cover (3), the flow dividing cover (3) is fixedly installed at the inner top of the assembly cavity (2), two cooling boxes (4) are symmetrically and fixedly installed in the cooling cavity, two flow dividing pipes (5) are symmetrically and fixedly installed at the top of the flow dividing cover (3), the other end of each flow dividing pipe (5) is inserted into the cooling box (4), an exhaust pipe (6) is arranged at the top of one side of each cooling box (4), two radiators (7) are symmetrically and fixedly installed in the cooling cavity, a circulating pump (8) is arranged between each radiator (7) and each cooling box (4), the input end of the circulating pump (8) is fixedly connected with the cooling boxes (4), and the output end of the circulating pump (8) is fixedly connected with the radiators (7), and the cooling tank (4) is communicated with the radiator (7) through a circulating pipe.
3. The ventilation device for the low-voltage power distribution cabinet according to claim 1, wherein the air inlet mechanism comprises two installation bases (9), the two installation bases (9) are respectively arranged on two sides of the power distribution cabinet (1), a plurality of fixing plates (10) are fixedly installed in each installation base (9) at equal intervals, a driving motor (11) is fixedly installed on one side, far away from the inner side wall of each installation base (9), of each fixing plate (10), and a plurality of fan blades (12) are fixedly installed on the outer side of the rotating end of each driving motor (11) at equal intervals.
4. The ventilation device for low-voltage distribution cabinets according to claim 1, characterized in that a plurality of exhaust openings (13) are provided on both sides of the cabinet (1) at equal intervals.
5. The ventilation device for low-voltage power distribution cabinets according to claim 1, characterized in that a cabinet door (14) is rotatably connected to the front of said cabinet (1), and a handle (15) is disposed on the front of said cabinet door (14).
6. The ventilator for low-voltage distribution cabinets according to claim 5, characterized in that said cabinet door (14) is equipped with a viewing window (16) on its front face.
7. The ventilator of claim 6, characterized in that the observation window (16) is made of acrylic sheet.
8. The ventilation device for low-voltage distribution cabinets according to claim 5, characterized in that a nameplate frame is arranged on the front face of the cabinet door (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220337103.7U CN216903981U (en) | 2022-02-20 | 2022-02-20 | Air exchange device for low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220337103.7U CN216903981U (en) | 2022-02-20 | 2022-02-20 | Air exchange device for low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216903981U true CN216903981U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220337103.7U Active CN216903981U (en) | 2022-02-20 | 2022-02-20 | Air exchange device for low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216903981U (en) |
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2022
- 2022-02-20 CN CN202220337103.7U patent/CN216903981U/en active Active
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